I find it amusing that everyone on Reddit commenting on this has like 300 IQ and knows everything about engines AND simulations, but can't figure out that a simulation that runs in real-time and is intended for video game usage is not meant to replace professional engineering software. That's right guy from Reddit watching this, I'm talking to you. I did this for FUN to be used in GAMES and it's an *A P P R O X I M A T I O N* to generate cool audio. If it's so trivial and pointless, write a better one yourself and post a video about it. I'm looking forward to it. Everyone else, thanks for watching! (sorry for the rant)
this guy is the most chad programer i have ever seen, him so cassualy saying "I optimized this extremely accurate physics simulation to run at 85 thousand frames per second" and "I coded it in my own programming language for efficency" is absolutely insane
The best project he made. Doing video games and game engines - that is the dumbiest thing (I made some of this too). Now I am doing CAD editors and very happy with this )
@@among-us-99999 it would be wierd if you were chilling watching something on your 3d flatscreen in your 4d living room then it suddenly hurtles towards you out of the screen
Count me in! Waiting for the bell! Btw. you stated that all of this begun as you hated the sound of game engines (yeah, me too). You asked a question: why the sound is not simulated? Can you please share some conclusions? Is it a cpu/mem usage? Do you see any ideas for optimization (remove this, remove that....) to gain performance without reducing the quality too much? You made me super curious.
I was impressed by the sound of the v8 engine, but when you showed the kohler V engine and it sounded just like it does at my work, I was blown away. This is seriously impressive.
Diesel, Turbo Diesel, waste gates, VVT, The old VW Beetle. "W" engine? VR6? "Tunable" exhaust, From muffler, to pipe diam, and length, up to the scavenging effect of a headers/manifolds build, That would be another incredible tool for builders, and muffler shops. To be able to hear the (approx.) sound a header or muffler will make.
I'm speechless. Your so clever. The way you just casually created this for fun whilst being so accurate. All of the people complaining about the sound, make your own and share it. The fact it doesn't sound identical to its respective engine means nothing. For a start it gets surprisingly close but even if it didn't, it wouldn't make any difference, this is still really impressive. Not sure why people find it so difficult to pay someone a compliment.
Lol I set it to private because I was worried about companies stealing it, not because it's been sold. I may still set it to open source later though, I just don't want someone to use my work without crediting me
Yeah... I would really like to know more about the fluid simulation specifically: which approach has been taken, how does it interact with the rigid bodies, how is the explosion handled, ...
This is HUGE. I always dreamed about a sim with **good** sound that'll let me build stupidly weird engines so I can check how'd they sound and now it's here. And it's free. You're a boss, Ange. Thank you.
@@pontiac_hat It's not that good because you're missing a ton of options. Fuel is limited to whatever their ratings are and there's no options for things like high-flow billet heads, billet blocks, huge turbos (I think their max was like 76mm front housing and 94mm rear housing), no screw blower options, etc etc. It just felt like it was made by someone who knows the basics about vehicles and not made by someone who is a car enthusiast. tl;dr, Automation is made by a gamer for gamers, not a car enthusiast/engineer turned game developer. Edit: I could go on and on and on about all the mechanical issues I had with the game but cba, take too long to write it all out.
Same wtf and they recorded real engine car sounds for FH5 but they should have hit up this guy. Eventually we will simulate all sounds for effects as indistinguishable as real sounds!
@@BayLeafff no bro I was thinking the same like it was weird for me to think that it’s odd that car games have had super shitty generated sounds I wondered as a kid even! But obviously I was too young and had no real knowledge of physics or even knew that we are able to simulate physical sounds just as realistic as real world vibrations. I just wondered like why couldn’t devs just record actual car sounds as a kid or knew there has to be a way to make them just as real with computers. I bet there’s like highly advanced/complicated industrial speakers today that vibrate like real life sounds like maybe 4D sound lol idk too tired been up zonin!
As a mechanical engineer student, I can safely say this is one of the most interesting projects I've seen on RUclips. I hope it gets the attention it deserves. You're awesome dude.
its really remarkable that someone would do something this complex out of just passion or curiosity. in these moments you can really appreciate what humans can do.
THIS IS ABSOLUTELY INCREDIBLE, I've been waiting for something like this for DECADES just like you. I almost can't believe this is real. With modern CPUs you could just run this whole thing on its own dedicated thread without any issue at all or taking perf away from anything else. I used to try physically make engines in garrysmod but the physics systems are just too jank obviously. This looks like so much fun even just to play with. Can't wait until developers start using this type of smart stuff in their game engines. Even I'm getting ideas of getting the output torque values and sounds from this and linking it up with an existing game engine somehow..
Considering that the simulation itself runs at a whopping 80000fps, i imagine that you would have to have another really, really powerful hardware to be actually linked to a game
@@charlesfranks1902physics depends on the type of car game your playing. Arcade like games like forza and nfs wont have realistic physics, while simulation or simracing games like beamng and gran turismo (I think. Never played it.) will.
It would also be great if airplane jet engines, turbochargers and inline 4 engines are simulated. :) Also, would love tire squeal to be simulated as well. 2022 has some cool innovations, many coming from small companies and programmers like this channel.
@@annoyingoranger100 r/confidentlyincorrect Even if he was referring to how the engine runs it still doesn't literally explode. Only part inside the engine that literally explodes is the gasoline, but he said "how fast this stuff can go" meaning how fast the crankshaft spins or how fast the pistons move. Neither of those are exploding, they are however powered by a substance that explodes.
Having done audio development for vehicle based video games over the past 20+ years, this is the first time I've done a double take when it comes to a purely synthesised internal combustion engine. Massive kudos for what you've done here......
This is extremely impressive. Best synthesised engine noise I’ve every heard. I would not be surprised if gaming companies buy this code off you to add to their games
@@littlemrh it sounds like recording the exhaust flow wave form in various speed+throttle+horspower configurations and making a closed form parameterized function approximation out of them and then using the audio pipeline (based on the exhaust system) to create the sound itself
@@ratchet1freak Being able to enter the parameters of any given engine framework would essentially yield an identical wavelength, youd only need to add reverb to give its depth and shine depending on exhaust systems
@@Lux_Parallax but that's only a set of audio filters, which is cheap, it's the exhaust flow&pressure waveforms that you need to get your initial sounds that you pass through the filter. And that is expensive to compute (requiring the rigid body+fluid sim at 8k fps). If you can precomputethose wave forms suddenly you only have an audio filter pipeline to worry about
@@elllieeeeeeeeeeeeeeeeeeeeeeeee wdym? any respectable gaming pc within the last 4 years should be able to easily run beamng over 100fps. Although this sim can barely handle a 10 cylinder engine since it's single threaded so I don't think it'd work out.
Imagine if the BeamNG devs were able to implement this somehow! I think I'd struggle to ever play anything else. Definitely going to watch this again on headphones, because for me, the car sound is the best part of driving. The aural feedback stirs the soul, and if something like this can be added to EVs to play back authentic ICE sounds through a speaker, it will be a heck of a lot better than having nothing but wind and road noise with a distant electrical hum.
I'd suggest getting into contact with the developers of "Automation", a car-manufacturing & designing tycoon game for the PC. They've had to source IRL sound recordings of engines for the in-game engine sounds, and then modify those to fit the many, many different ways players can design their engines. A non-ideal, time consuming and labor intensive ordeal. With your simulation tech, they can accurately create audio from scratch to fit any variation of engine, all procedurally made in-game. They might be willing to work something out with you. Also, it would be cool to see you try simulating a rotary engine!
Many game devs record sounds of real cars into their games, but I don't know how they edit them into games. Probably just slowly rev the engine from idle to limiter and then just add that sounclip to the game and make it loop or smt
yeah this dude definitely has a product. Curious to see if it handles turbulence from more cylinders well. Also interesting how deep the post processing is (thinking Lexus LFA on dyno v. in car with exhaust resonances)
@@ffivguy1990 How certain are you of this? As I remember a while back, one of their excuses for why they weren't going to add certain engine designs (rotary, supercharged engines, diesel, etc.) was because they would need to source more recordings for those and they didn't want to.
Oh, please, movies. I can't stand how they keep replaying the same fucking up revving bit of sound on every camera cut, like the car has 22 gears and don't ever redline.
when we learned about engines in school, I just could not believe that pistons are spinning that fast and all 4 cycles are included, I find it amazing they can hold for hundred thousands kilometers
this is the greatest engine simulation i've ever seen. as for your claims, this would mean we could test some modifications on this simulation first before before actually applying to the real engine? how cool is that!!
Maybe for guys doing serious piston and head work. Bigger valves etc. I haven't seen a way to manipulate head port design or change lobe pattern and change valvetrain geometry. Or simulate different manifold, intake, and exhaust effects.
Absolutely amazing. This is rare - someone with great aesthetic sense and skills in programming, physics, graphics, and communication. And the willingness to share knowledge. Congrats!
That's outrageous. I think about all the times I've watched the "making of..." videos for Forza and Gran Turismo and they have the supercars with mics at the exhaust, and here's this guy just modelled an engine and it sounds way better and more realistic than any game I've ever heard. You Sir deserve a medal. You will have project managers for game developers of those big studios ripping those guys with their mics apart. Like the comment says below I hope you get a call to buy or licence this software. Well done, good sir👍🏻
As an engineer who made models of physiological systems in college you've just broken my brain. You've reverse engineered audio. I can feel this engine, my brain refuses to believe the actual engine isn't in your garage. If this were in a game, motor-heads could tinker with models of their favorite classic cars in a simulation and the audio feedback would make it extremely real.
Been thinking abt that in forza h5 there’s not enough difference in sounds when modding but at least they recorded real life engine/exhaust sounds. But they may have well just hired this guy lol.
Physical modelling has been "a thing" for audio for nearly 3 decades, but i think having the ability to run the simulation at 80,000 steps per second is what was missing for accuracy on this scale before. Back in 2004 or so i heard PM synthesis of a tuba and a violin and while both were unfiltered and "crisp" they were eerily close to the real sounds. They also didn't use any samples or sampling.
Could you make this work for a rotary engine? Like a Wankel or a LiquidPiston? Maybe an option for turbo/superchargers? Petrol vs Diesel? And simulating the differences when timing and spark advance is changed, as well as feul ratio? What about 2-strokes (gas or diesel)? Just throwing some ideas at you.... :) Very useful and beautiful project!!! Definitely a lot of potential!!!
Oh got I don’t think a turbocharger/supercharger add on would be good. I’d be testing out car sounds the whole day hahaha 😂 But seriously, Image what could be possible with this simulation!
I'd love to see support for variable valve timing, variable length runners, push rod, SOHC, DOHC, and different header lengths. It'd be awesome to digitally spec out a motor and get it the way you like then build it in real life with minimal R&D.
@@boltbreakgarage3842 The possibility with a program like this could be practically endless... I think with the amount data he pulls from this simulation its even possible to calculate if certain fuels will even combust in different engine types. The fact is that it just depends on what he will do with it and how far he is willing to take it. For example a person like TwoStrokeStuffing (fellow youtuber) could simulate an engine idea and get a resonable oproximation on how the engine will behave (and if it will even work) before putting time and efford in to build it.
Yeah, this kind of sets a new standard for racing games. I'm not much into car simulators but great sounds in video games are always a huge boost to user experience.
You have no idea how good simulator you've made. Really good work. I am programmer myself, doing soft body and fluid simulations but is something else. I enjoyed every second of this video.
Very nicely done :) This is impressive, as others agree. Love the lift-off sound accuracy you were able to produce! Having written a full engine sim myself recently, I know what it takes to make one and how difficult it is to simplify it to make it run properly. Let me make two trivial observations: 1) No, this is not a dumb project, it actually could be a solution to a problem many have been looking for. 2) You will be noticed. ;) Awesome work! Cheers!
Thanks for the kind words! The lift-off sound under deceleration was definitely very important for me, it's one of my favorite sounds an engine can make
UPDATE 2: Code is public again, see link in the description. For those that waited patiently and were respectful, thank you, you guys are legends. UPDATE: I've received way more interest in this project and the codebase than I anticipated and I've made it temporarily closed-source. I may release it publicly again but I really want to make sure that my work isn't used without crediting me. Thanks for understanding bros! Hey guys 👊 Just thought I'd clarify that ALL engines are displayed as overhead cam in the simulation since it is functionally equivalent and easier to program (visually) than cam-in-block. I'm well aware that 454s were single cam, pushrod engines haha. Also the user interface that you see was made with my game engine, I forgot to mention that in my video. It's the same engine I use on most of the projects on my channel. Thanks for watching! Edit: Also, I don't want to pretend like this is a PERFECT simulation or anything. It's a decent approximation but definitely not on the same level as a scientific tool. I'm mainly interested in the sounds and generally getting the power curves right
Sure but please simulate an inline 4 engine, I need to see an economy engine on this simulation. Also try to implement a stress test onto the simulation like when there is no oil, the wrong fuel is put into the engine like an 87 octane fuel on a high performance engine (90 and above octane engine) and something like that.
BeamNG should implement this into the game's audio engine. Edit: I didn't mean physical simulate the engine, just the sounds. That's why I wrote audio engine.
They already have some sort of it. Prob not that complex but thus not that cpu demanding. You can play with the system in "automation - car company" or smth like that I don't remember the name of the game
I wish the entire engine simulation in Beam was as sophisticated as this. As it is, Beam is pretty good, but also quite simplistic in some ways, so it's awesome to know that there are demonstrated alternatives. However the physics simulation in beam runs at 2000 Hz I believe, so the 80,000 Hz for this engine sim to be stable is a lot higher
I'm sure you've struck a chord that resonates with a lot of folks -- probably even a childhood dream for many! I really wish this becomes a HUGE community project in the long run (with a personal agenda of learning even if just a tiny bit from your findings and contribute to this code!). Great, stuff! Cheers!
The amount of different skills required to write this stuff is simply amazing. You wrote your own scripting language, you know about sound processing, physics simulaton, mechanics and so forth. And here am I, not even being fluent enough in english to even describe how amazed I am. Mad respect bro!
@@happygofishing assuming by "nay" you mean "any", no. That's just a stupid position to have as being against FOSS as a concept is too. Since you're clearly arguing from a idealigious position, let me refute you with one. FOSS is about choice, that's why linux lets you shoot yourself in the foot even though it could be prevented. Through and through, it's user choice, that's paramount, maximum choice, always let the user choose, never take choice away from the user. Great! So what if the user wants to choose something proprietary? Forcing someone to make the "right" choice is taking AWAY their choice. If you don't believe people are free to make wrong choices, you don't believe people are free to make choices at all. The distribution model of software is just as important as for hardware. High end specialty software flat out wouldn't get the financial investments needed to develop it if it was just going to be given away for free. (yes free as in speech not as in beer, but if the code is open, that means someone can just fork it and make a free as in beer version) I hate apple with a passion, but you know what I hate more? The EU giving itself more powers because consumers are too terrified at the thought of buying a phone without a fruit engraving on the back to buy from a company that doesn't fuck them over. If the wider userbase does not like the current offerings they are free to use other offerings or make their own. If, on the other hand, people like you continue arguing that "being against FOSS in any way is actively making the world worse" and people start legislating things that directly takes away user choice. I am no longer free to buy a phone with a lightning port even if Apple is willing to sell it to me and I'm willing to buy it. Being against the very concept of non-FOSS things is being against the very concept of FOSS to begin with since FOSS is about user choice. Let me stress again, FOSS is about choice, that includes the choice to use it, or not to use it, depending on when you think it's best applicable. Proprietary offerings are what drive markets, TWS earbuds were basically fucking invented by Apple's airpods, which they forced people to use if they wanted the newest iphone. That was a shitty and anti-consumer thing to do, buuuut then the market happened and other companies made their own offerings which were better, less locked down, and more plentiful. Proprietary spearheads followed by more organic market growth to compete with those offerings is how progress works. If you think FOSS is the only right answer, you're not pro freedom, you're just an authoritarian who happens to argue his thing is good for people... so an authoritarian. Freedom to choose, means freedom to be wrong, freedom to want high choleserol, freedom to to eat bacon and butter and buckets of cheese. Sincerely, I use arch btw.
@@krisk2466 ruclips.net/video/JBH5kbc3DyM/видео.html Granted they're not generated, they're sampled but from a game that can differentiate deceleration, load etc it's impressive
I've just found my favorite channel on the entire internet :D DUDE I've had this same thought for so long - why not just simulate engine sound in real-time? You sir, you are the one. Awesome work, keep it up!
"Quite possibly the dumbest project I've ever undertaken" This is INCREDIBLE! Cars and engineering in general have always been in my area of interests, and imagining every component of the engine, transmission, diff, all working together at once, every gear, oil pump, etc is fun to think about. Was always wondering why no one had done this! (accurately simulating each part that is, maybe Automation but the sound isn't there like it is here). Would love to see this implemented in an actual game like dirt rally or BeamNG. Definitely make a breakdown video!
I’ve wanted to see a game where all of the sound is synthesized in real time. Essentially you would never hear the same sound twice. That would be tight.
Not well informed on this so sorry if this sounds ignorant but wouldn’t they also have to simulate the weather conditions like air density and temperature? Idk if the games do that already
@@Badsniperarmy No, most games don't do that. Infact most games don't simulate atmosphere Games like kerbal space program do it afaik but GTA, COD, Forza Horizon etc just simulate some effects like atmospheric distortion, aerodynamics of car etc. I can be wrong tho
@@Badsniperarmy It's not ignorant. Sound (specifically the speed of sound) is affected by temperature, but only really slightly so it shouldn't matter much. The environment that the sound is in matters much more, since sound bounces off objects.
@@Badsniperarmy those variables could just be replaced by constants or something like that, or develop a simple system for those like; If raining humidity is higher. No issue tho
"A real time internal combustion engine simulation" - Okay, that sounded like a lot of work, nicely done man. "Because I want to know how hard is it to simulate the engine sound" - wow, okay that sounded like a bit of an overkill. But go on. "A rigid body simulator simulates the interactions between all of the internal components" - WOW okay that's even more of an overkill, right? "A physically realistic fluid simulation" - WOW THAT's overkill "Piranah is my own custom scripting language that I made" - gREAT now you're inventing scripting languages too. What next. "I've actually built one of these 454 engines myself" - This man can and has done EVERYTHING under the sun. "GM's values matches simulations' predicted values" - alright this is neat. I guess your stubborness paid off then. "I'm very familiar with the Kohler V-twin engine" - okay, again, is there anything that you haven't done? "Sound and horse power figures pretty much matches reality after I've entered the parameters for this completely DIFFERENT engine" - BRUH "I literally read entire textbooks while researching this, and I've also read a lot of research papers." - Yeah man, it definitely shows!
This is awesome! I saw a brief screenshot of this video in another video and had to pause it to find this. I'm obsessed with engine simulators. Can't wait to play with it!
The first thing I immediately thought of, before you even started talking, was a rotary! I would love to see a rotary engine in your simulator. It's one of my favorite engine designs, and it produces such a unique sound that I haven't ever seen replicated well in games This is likely s huge challenge, but you wanted suggestions, so here they are! With the release of modular simulators like this, game devs have no excuse for bad engine sounds, so they better use this
This would probably be hard to implement, but adding turbos, superchargers, exhaust pipes with different header lengths, resonators, and mufflers would be pretty awesome to see, and also would get you a super realistic sound.
This was recommended to me out of seemingly nowhere. I'm really impressed. The coding, the visual presentation, attention to detail, the relentless hunt for knowledge. Exceptional. Maybe game developers could place a sine wave generator in the engine bay, binaural microphone at the driver position and record the frequency response curve and set up convolution reverb matching the cabin for ultra realistic sound reproduction.
That's a fantastic idea that I hope someone incorporates. It really shouldn't even be too hard to do. Although now that I think about it, some of the engine sound comes from the engine, some comes out of the exhaust, so you'd have to keep those separate and apply different EQ to each... But to me it's worth it. I hope devs pay more attention to sound. It's half the experience!
Your Engine Simulator is awesome! I can record those sounds and put it into my game with exactly that engine sound I always wanted to get into. You're a true hero. :)
I was incredibly impressed thinking it was just a visualizer, let alone an actual rigidbody simulation. AND IN YOUR OWN PHYSICS ENGINE??? Bro. EDIT: CUSTOM SCRIPTING LANGUAGE??? MAN
The moment I heard him say "to get a better feel for the power of the engine I also implemented this vehicle simulation..." with 4 more minutes in the video I started wondering if he created the Matrix just for realistic sounds lol. Seriously, this is so impressive. Those passion projects are the most interesting ones because they're made with such an attention to detail and high quality as the creators set such high standards for themselves.
The engine sounds in BeamNG are very good, but they could be even better with this simulation, I would love to get goosebumps and start crying from the sound of the cars :) Plus a simulation of this level with the exhaust system and I'm crying and shaking 😂
I just randomly searched "physics engine from scratch" the other day and found your video. I was very impressed then. A few days later, this video pops up in my recommended and let me tell you my jaw hit the floor when I saw the clip from the physics engine video and I realized it was you! I've never watched a video that consistently made my jaw drop every couple of minutes, this is super impressive. Looking forward to the codebase becoming public again, I was disappointed to see it was made private for now!
Next this guys gonna be like “and actually during this project my computer crashed so in order to counteract this I made my own operating system and had to hand make my own computer from scratch the hardest thing about that was the gpu with how much optimization it needed but after that the one to one universe simulator ran faster that ever” also I would love to see the technical side of things so I’ll definitely stick around for that
The dynamics of a rotary engine are very different, I don't think this software could handle it ... That said the same principles could be applied on a wankel simulator, but I feel like it would need to be a separate piece of software (Not an expert coder though so happy to be proven wrong)
Whoa Ange. Just whoa. You have no idea just how much my mind is _blown_ right now. I can't wrap my head around just how awesome this project is! Also the very first thought I had when I heard the engine noise was "Huh, that actually sounds pretty darn accurate." 😁
Mission accomplished! I was very worried when I started this project that the sound wouldn't be convincing but I worked *really* hard to get it to this state, glad it paid off! Thanks for watching
This is absolutely incredible! I'm at the stage of looking through textbooks and trying to learn more about engines to see how I can simulate the torque curve accurately. Surprised that it took YT _this_ long to recommend me this video.
As someone that loves problem solving, I’d absolutely watch ten hours of you explaining how you overcame problems with research and programming even though I’m not what you would call a coder myself.
I am thoroughly impressed! I a can’t believe no one else has done this before. As a life long audio aficionado with a keen awareness to everything that makes a sound and harsh critic of bad recreations, my mind is blown by your project. All I can say is well done on everything that you put into making this! 💜
Seriously. This guy is handling the business. You may not think that the business is being handled here, but trust me, it is. I've had to start watching these videos with my earphones in or when my girl is asleep to stop her getting impregnated over the sound waves from this dude.
This video was extremely interesting to me, I watched it 3 times already! I'd love (love!) a more technical video explaining all the parts of this project. I guarantee I'd watch all of it even if it was 5 hours long.
You should do one for jet engines next. Number of turbine blades, compression stages, bypass, RPMs, afterburners, etc., all result in distinct sounds for a given engine.
Same. Read some papers because I was trying to code my own version of this, but ended up not doing this. This is a dream come true. Hope there will be time left for studying the next weeks. ;P
As someone who is deeply passionate about both engines and sound design/audio synthesis (spent years building DIY hardware synths and cars in my free time), this is downright amazing. Not a dumb project in the SLIGHTEST. Thank you. This is a dream project.
This is absolutely god-tier stuff. You set out to simulate sound, absolutely smashed it, and did it so well that you ended up simulating power as well. Bonkers.
1:58 What the pedal does is actually regulate the load of the engine, which is the percentage of its torque you ask it to output. For example if you have an engine that is at 2000 rpm and at that speed it can output 120 Nm of torque, slamming the pedal will tell it to output that full 120 Nm, which will either cause it to rev up or it may be necessary for it to maintain speed depending on conditions like incline. Electric motors, or at least the three phase ones controlled by computerized inverters you'll find in electric cars, are actually controlled in the exact same way (i. e. the pedal commands torque output and if you fully let off of it the motor will output negative torque for regenerative engine braking)
Your videos blow my mind with what is possible. I can't believe this. This is incredible. I never thought that you could use physics to simulate sound that is so physically accurate. That is unbelievable. I am so interested in the technical explanation. You are one of a kind and your videos continue to amaze me. You are so good at what you do.
Thank you very much for the kind words! Honestly I didn't even know whether this project was possible when I started and I was surprised that it turned out this good. There's still a lot of room for improvement though. Thanks for watching!
You've synthesized and materialized what many gearheads probably dreamed of. It would be nice to see this sim generate engine sounds in an older racing game for test.Thank you!
Holy crap, the sound of that engine sounds better than any car game I've played. And I'm talking FH2, 3, 4, and 5, BeamNG, the FM series, etc. That engine sound is so good, if I didn't know otherwise, I would think it's a real engine. The only thing I think it lacks is imperfections in the sound, as in, it sounds the same every time you rev the engine. It might be cool to have the engine have weird quirks about it's sound, like older engines in real life.
I could definitely add some imperfections like that. Probably in my next video I'll show what engines sound like when they have certain issues (wiped cam lobes, shot piston rings, etc.). It actually reproduces these effects pretty accurately. Thanks for watching!
I find it amusing that everyone on Reddit commenting on this has like 300 IQ and knows everything about engines AND simulations, but can't figure out that a simulation that runs in real-time and is intended for video game usage is not meant to replace professional engineering software. That's right guy from Reddit watching this, I'm talking to you. I did this for FUN to be used in GAMES and it's an *A P P R O X I M A T I O N* to generate cool audio. If it's so trivial and pointless, write a better one yourself and post a video about it. I'm looking forward to it.
Everyone else, thanks for watching! (sorry for the rant)
Me and my homies all hate that guy
hey I just beat him up for u got u bro
Yeah that reddit guy is an idiot. This project is epic! And i hope we get to see it being used in a video game!
what are your pc's specs and also is there a way to download this program
The most stupid people talk the loudest
this guy is the most chad programer i have ever seen, him so cassualy saying "I optimized this extremely accurate physics simulation to run at 85 thousand frames per second" and "I coded it in my own programming language for efficency" is absolutely insane
If Ange and jdh ever team up they could probably write a universe simulator
And built an engine in real life...
Scripting language* still super impresive
I thought "chad" is an insult?
@@Exitof99 ??? chad is a compliment
gigachad casually just makes the best engine sound generator all on his own
>in his own language
who's Jeljuice?
"Quite possibly the dumbest project I've ever undertaken" - Quite possibly the biggest understatement I've ever seen
I'm afraid to watch his other projects then :)
It really is something to behold I've seen alot of engine simulations but not like this... This is something else...
The best project he made. Doing video games and game engines - that is the dumbiest thing (I made some of this too). Now I am doing CAD editors and very happy with this )
i get the feeling that this project will pay off quite well for this individual in the long run
BEAM NG............ SIMULATING THE NOISE OF DAMAGE IN A PISTON!!!! Next level sim
As a fourth dimensional being, I was surprised when a bunch of pistons and conrods suddenly appeared out of nowhere.
No harm, no foul.
Funniest thing I’ve ever heard
in 3 dimensions they disappear into nowhere. in 4 dimensions, you’d see them coming.
I get the joke but you got it the wrong way round, a 3 dimensional being would see 4th dimensional pistons and conrods appearing and disappearing
@@among-us-99999 it would be wierd if you were chilling watching something on your 3d flatscreen in your 4d living room then it suddenly hurtles towards you out of the screen
This fucking rocks, holy shit dude. I'm down for a technical breakdown video!
Thanks! I'll see what I can do
Yea that’d be great!
Count me in! Waiting for the bell! Btw. you stated that all of this begun as you hated the sound of game engines (yeah, me too). You asked a question: why the sound is not simulated? Can you please share some conclusions? Is it a cpu/mem usage? Do you see any ideas for optimization (remove this, remove that....) to gain performance without reducing the quality too much? You made me super curious.
+1
please !
I was impressed by the sound of the v8 engine, but when you showed the kohler V engine and it sounded just like it does at my work, I was blown away. This is seriously impressive.
Yeah I was pretty proud of that one, sounds pretty much exactly like the real engine. Thanks for watching!
Turbo I5 engine
@@AngeTheGreat please explain how to switch engines because I tried now it won’t even open
@@thad1984 Incoming Volvo/Ford/Audi fans!
Here are some ideas for your project:
- rotary engine
- simulate things that interact with the engine's behavior and sound like turbos, exhaust, etc
Diesel, Turbo Diesel, waste gates, VVT, The old VW Beetle. "W" engine? VR6?
"Tunable" exhaust, From muffler, to pipe diam, and length, up to the scavenging effect of a headers/manifolds build, That would be another incredible tool for builders, and muffler shops. To be able to hear the (approx.) sound a header or muffler will make.
What abt two strokes
Exhaust would be extremely difficult to simulate…
Turbo sounds will make the simulator even more popular (the iconic "tsu tsu tsu")
Just different valvetrains (valve-in-block, rotary valves) would be nice.
I'm speechless. Your so clever. The way you just casually created this for fun whilst being so accurate. All of the people complaining about the sound, make your own and share it. The fact it doesn't sound identical to its respective engine means nothing. For a start it gets surprisingly close but even if it didn't, it wouldn't make any difference, this is still really impressive. Not sure why people find it so difficult to pay someone a compliment.
I’d love if a company hits you up and is like “can we use this”
@@mhe123321 sad. i wanted to try it
Let's hope that it won't be EA xD
Lol I set it to private because I was worried about companies stealing it, not because it's been sold. I may still set it to open source later though, I just don't want someone to use my work without crediting me
@@mhe123321 did you happen to get a copy before it was yeeted 🙃
@@AngeTheGreat license it?
Would love to see a detailed video on the internals.
I'll see what I can do! Thanks for watching
Yes
Yes
OMG yes please PLEASE PLEASE PLEASE
Yeah... I would really like to know more about the fluid simulation specifically: which approach has been taken, how does it interact with the rigid bodies, how is the explosion handled, ...
I can't believe you turned bocchi into an engine
boccher engine
Bocchi the engine
This is the comment I'm looking for
PFT! now I can't un hear it
What is "bocchi"?
This is HUGE. I always dreamed about a sim with **good** sound that'll let me build stupidly weird engines so I can check how'd they sound and now it's here. And it's free.
You're a boss, Ange. Thank you.
If you didn't, check out game called Automation. Except good sound.
@@karatas1782 Nothing like this.
Beamng drive has pretty good sounds
@@doursen Its actually pretty close as a virtual dyno. Usually within 10% margin of error of the real life engine.
@@pontiac_hat It's not that good because you're missing a ton of options. Fuel is limited to whatever their ratings are and there's no options for things like high-flow billet heads, billet blocks, huge turbos (I think their max was like 76mm front housing and 94mm rear housing), no screw blower options, etc etc. It just felt like it was made by someone who knows the basics about vehicles and not made by someone who is a car enthusiast.
tl;dr, Automation is made by a gamer for gamers, not a car enthusiast/engineer turned game developer.
Edit: I could go on and on and on about all the mechanical issues I had with the game but cba, take too long to write it all out.
Man this scratches an itch!! I always wondered why (as a kid) devs didn't just code the laws of physics into their game engines, lmao. Durr.
😂😂
Same
Same wtf and they recorded real engine car sounds for FH5 but they should have hit up this guy. Eventually we will simulate all sounds for effects as indistinguishable as real sounds!
@@carsnob yeah, right? It's such an eye opener! Also, glad I wasn't alone in my naivety 😂
@@BayLeafff no bro I was thinking the same like it was weird for me to think that it’s odd that car games have had super shitty generated sounds I wondered as a kid even! But obviously I was too young and had no real knowledge of physics or even knew that we are able to simulate physical sounds just as realistic as real world vibrations. I just wondered like why couldn’t devs just record actual car sounds as a kid or knew there has to be a way to make them just as real with computers. I bet there’s like highly advanced/complicated industrial speakers today that vibrate like real life sounds like maybe 4D sound lol idk too tired been up zonin!
As a mechanical engineer student, I can safely say this is one of the most interesting projects I've seen on RUclips. I hope it gets the attention it deserves. You're awesome dude.
Engineering tech literally just for the credits rn in country
(I hate my life I suck at math 👌🏽)
Bocchi the 7.4L v8 carburated naturally aspirated big block.
"Basically, your engine just grenades into the 4th dimension."
That's crazy realistic, that happened to my girlfriend's 2013 civic.
“Just grenades into the 4th dimension”… “That’s crazy…. That happened to my girlfriend‘s” - 2022 @Jorge Padua
Happened to my neighbors Impreza with a little too much boost
its really remarkable that someone would do something this complex out of just passion or curiosity. in these moments you can really appreciate what humans can do.
sadly my pc dont runs it and its really bugged physics for low end pcs
THIS IS ABSOLUTELY INCREDIBLE, I've been waiting for something like this for DECADES just like you. I almost can't believe this is real. With modern CPUs you could just run this whole thing on its own dedicated thread without any issue at all or taking perf away from anything else. I used to try physically make engines in garrysmod but the physics systems are just too jank obviously. This looks like so much fun even just to play with. Can't wait until developers start using this type of smart stuff in their game engines. Even I'm getting ideas of getting the output torque values and sounds from this and linking it up with an existing game engine somehow..
Hey it's DeSinc
didnt know desinc was a car guy
Considering that the simulation itself runs at a whopping 80000fps, i imagine that you would have to have another really, really powerful hardware to be actually linked to a game
desinc saying something genuinely smart
@@Radiation_R yeah that second piece of really really powerful hardware is called another CPU core. There's a reason why we have multi-core CPUs.
I've always wanted car games to have real sounds like this since I was a kid
Never mind the sounds, some games wouldn't even bother to get the physics right.
@@charlesfranks1902beamng is working on adding real time engine sounds
beamng is trying to make real time engine sounds
@@Bleaxur I think you mean fully procedural engine sounds?
@@charlesfranks1902physics depends on the type of car game your playing. Arcade like games like forza and nfs wont have realistic physics, while simulation or simracing games like beamng and gran turismo (I think. Never played it.) will.
this balance perfectly on being completely overengineered to an absurd levels but also being quite geniusly straightforward and almost simple
This sounds amazing. It would be interesting seeing a rotary engine being simulated with this.
It would also be great if airplane jet engines, turbochargers and inline 4 engines are simulated. :) Also, would love tire squeal to be simulated as well.
2022 has some cool innovations, many coming from small companies and programmers like this channel.
Whenever engines are brought up anywhere, there is always an obligatory Wankel fan, I guess.
@@johnalogue9832 and boxer fan, of course
@@normanchan1932 At least a Boxer is *almost* a 180 degree V layout. A bit less of a leap.
Yessss!! A rotary would be really cool!!
it’s pretty mind boggling how fast all this stuff can go without ripping itself apart, especially given that it’s literally exploding
Well, not literally.
@@sam8404 well, yes literally
@@Askar1 no engines don't literally explode, only the gasoline explodes.
@@sam8404 he said “it,” not “the engine.”
“it” refers to how the engine runs, not the engine itself.
your pedantry is misplaced.
@@annoyingoranger100 r/confidentlyincorrect
Even if he was referring to how the engine runs it still doesn't literally explode. Only part inside the engine that literally explodes is the gasoline, but he said "how fast this stuff can go" meaning how fast the crankshaft spins or how fast the pistons move. Neither of those are exploding, they are however powered by a substance that explodes.
Bocchi the internal combustion engine
Having done audio development for vehicle based video games over the past 20+ years, this is the first time I've done a double take when it comes to a purely synthesised internal combustion engine. Massive kudos for what you've done here......
This is extremely impressive. Best synthesised engine noise I’ve every heard. I would not be surprised if gaming companies buy this code off you to add to their games
Probably not with an 80.000 FPS fluid simulation but you never know :D
I would expect instead they would use this to record the different states of the vehicle instead.
@@littlemrh it sounds like recording the exhaust flow wave form in various speed+throttle+horspower configurations and making a closed form parameterized function approximation out of them and then using the audio pipeline (based on the exhaust system) to create the sound itself
@@ratchet1freak Being able to enter the parameters of any given engine framework would essentially yield an identical wavelength, youd only need to add reverb to give its depth and shine depending on exhaust systems
@@Lux_Parallax but that's only a set of audio filters, which is cheap,
it's the exhaust flow&pressure waveforms that you need to get your initial sounds that you pass through the filter. And that is expensive to compute (requiring the rigid body+fluid sim at 8k fps). If you can precomputethose wave forms suddenly you only have an audio filter pipeline to worry about
Imagine BeamNG with realistically simulated engines that are 3D
*computer explodes*
beamng can barely run its own physics simulations above 60fps on most computers, I shudder at the thought of an engine simulation
@@elllieeeeeeeeeeeeeeeeeeeeeeeee wdym? any respectable gaming pc within the last 4 years should be able to easily run beamng over 100fps. Although this sim can barely handle a 10 cylinder engine since it's single threaded so I don't think it'd work out.
@@Kevin15673 yeah but this needs 80000fps otherwise the engine will implode
@@TorutheRedFox The sim also runs on a single thread, I also never said that I thought it was possible to combine the 2.
Imagine if the BeamNG devs were able to implement this somehow! I think I'd struggle to ever play anything else. Definitely going to watch this again on headphones, because for me, the car sound is the best part of driving. The aural feedback stirs the soul, and if something like this can be added to EVs to play back authentic ICE sounds through a speaker, it will be a heck of a lot better than having nothing but wind and road noise with a distant electrical hum.
That is what I was thinking
Evs are a scam and more pullutant than ice cars. Change my mind.
I'd suggest getting into contact with the developers of "Automation", a car-manufacturing & designing tycoon game for the PC. They've had to source IRL sound recordings of engines for the in-game engine sounds, and then modify those to fit the many, many different ways players can design their engines. A non-ideal, time consuming and labor intensive ordeal. With your simulation tech, they can accurately create audio from scratch to fit any variation of engine, all procedurally made in-game. They might be willing to work something out with you.
Also, it would be cool to see you try simulating a rotary engine!
Automation + BeamNG having this king of sound engine would be soooo good
Many game devs record sounds of real cars into their games, but I don't know how they edit them into games. Probably just slowly rev the engine from idle to limiter and then just add that sounclip to the game and make it loop or smt
Those sounds were actually made via physical modelling synthesis. No real car recordings were used in the samples
yeah this dude definitely has a product. Curious to see if it handles turbulence from more cylinders well. Also interesting how deep the post processing is (thinking Lexus LFA on dyno v. in car with exhaust resonances)
@@ffivguy1990 How certain are you of this? As I remember a while back, one of their excuses for why they weren't going to add certain engine designs (rotary, supercharged engines, diesel, etc.) was because they would need to source more recordings for those and they didn't want to.
9:01 The downshifts sound absolutely incredible. The engine overrun sounds put a HUGE smile on my face. Smooooth transition into idle too.
ikr sounds just like an m3 hahaha
same here!
Something like this in BeamNG/Automation would be next level. This would be an incredibly useful tool for Movies.
I wish this sound engine could be used in Beam NG
I'm pretty sure Automation already does a good bit of this.
Oh, please, movies. I can't stand how they keep replaying the same fucking up revving bit of sound on every camera cut, like the car has 22 gears and don't ever redline.
@@ianbeepower8542 beamng noises will change on stock cars tho. Don’t know when :(
Some beamng engine sounds are terrible. Like their v6s need serious fixes ☹️
when we learned about engines in school, I just could not believe that pistons are spinning that fast and all 4 cycles are included, I find it amazing they can hold for hundred thousands kilometers
this is the greatest engine simulation i've ever seen. as for your claims, this would mean we could test some modifications on this simulation first before before actually applying to the real engine? how cool is that!!
Maybe for guys doing serious piston and head work. Bigger valves etc.
I haven't seen a way to manipulate head port design or change lobe pattern and change valvetrain geometry.
Or simulate different manifold, intake, and exhaust effects.
@DannyLeWasTaken really? I totally wasn't aware of that. Thanks for mentioning it.
Absolutely amazing. This is rare - someone with great aesthetic sense and skills in programming, physics, graphics, and communication. And the willingness to share knowledge. Congrats!
That's outrageous. I think about all the times I've watched the "making of..." videos for Forza and Gran Turismo and they have the supercars with mics at the exhaust, and here's this guy just modelled an engine and it sounds way better and more realistic than any game I've ever heard. You Sir deserve a medal. You will have project managers for game developers of those big studios ripping those guys with their mics apart. Like the comment says below I hope you get a call to buy or licence this software. Well done, good sir👍🏻
Damn they actually recorded the sounds for GT?
Forza, well the 4 cylinders still don’t sound perfect… as always
Bocchi Engine isn't real, it can't hurt you
Bocchi Engine:
As an engineer who made models of physiological systems in college you've just broken my brain. You've reverse engineered audio. I can feel this engine, my brain refuses to believe the actual engine isn't in your garage. If this were in a game, motor-heads could tinker with models of their favorite classic cars in a simulation and the audio feedback would make it extremely real.
Been thinking abt that in forza h5 there’s not enough difference in sounds when modding but at least they recorded real life engine/exhaust sounds. But they may have well just hired this guy lol.
@@carsnob and beamng drive
Physical modelling has been "a thing" for audio for nearly 3 decades, but i think having the ability to run the simulation at 80,000 steps per second is what was missing for accuracy on this scale before. Back in 2004 or so i heard PM synthesis of a tuba and a violin and while both were unfiltered and "crisp" they were eerily close to the real sounds. They also didn't use any samples or sampling.
Could you make this work for a rotary engine? Like a Wankel or a LiquidPiston?
Maybe an option for turbo/superchargers?
Petrol vs Diesel? And simulating the differences when timing and spark advance is changed, as well as feul ratio?
What about 2-strokes (gas or diesel)?
Just throwing some ideas at you.... :) Very useful and beautiful project!!! Definitely a lot of potential!!!
Oh got I don’t think a turbocharger/supercharger add on would be good. I’d be testing out car sounds the whole day hahaha 😂 But seriously, Image what could be possible with this simulation!
I'd love to see support for variable valve timing, variable length runners, push rod, SOHC, DOHC, and different header lengths. It'd be awesome to digitally spec out a motor and get it the way you like then build it in real life with minimal R&D.
I think the wankle engine should be easier to program since the piston itself acts as the valves, so less moving parts.
@@boltbreakgarage3842 Fuck yeah💦💧
@@boltbreakgarage3842 The possibility with a program like this could be practically endless... I think with the amount data he pulls from this simulation its even possible to calculate if certain fuels will even combust in different engine types. The fact is that it just depends on what he will do with it and how far he is willing to take it.
For example a person like TwoStrokeStuffing (fellow youtuber) could simulate an engine idea and get a resonable oproximation on how the engine will behave (and if it will even work) before putting time and efford in to build it.
This has HUGE potential, not only for sound but to simulate everything and really make a true sim racing game...
imagine this added to beamng
@@dragonfire1256 Probably means going from 45 fps down to 25 around Italy😁
Yeah, this kind of sets a new standard for racing games. I'm not much into car simulators but great sounds in video games are always a huge boost to user experience.
@@SaHaRaSquad the sounds are pretty good these days, check out iRacing, ACC or GT7
@@Phil-tl6ln iracing isn’t that good. Same for for Atessto Corsa, but with mods it does sound great.
You have no idea how good simulator you've made. Really good work.
I am programmer myself, doing soft body and fluid simulations but is something else. I enjoyed every second of this video.
Very nicely done :) This is impressive, as others agree. Love the lift-off sound accuracy you were able to produce!
Having written a full engine sim myself recently, I know what it takes to make one and how difficult it is to simplify it to make it run properly.
Let me make two trivial observations: 1) No, this is not a dumb project, it actually could be a solution to a problem many have been looking for. 2) You will be noticed. ;)
Awesome work! Cheers!
Thanks for the kind words! The lift-off sound under deceleration was definitely very important for me, it's one of my favorite sounds an engine can make
Holy crap is this the real automation fellas? I love your work
please try to work this into your game somehow, that would be sick!
I knew the Automation team would enjoy this.
UPDATE 2: Code is public again, see link in the description. For those that waited patiently and were respectful, thank you, you guys are legends.
UPDATE: I've received way more interest in this project and the codebase than I anticipated and I've made it temporarily closed-source. I may release it publicly again but I really want to make sure that my work isn't used without crediting me. Thanks for understanding bros!
Hey guys 👊 Just thought I'd clarify that ALL engines are displayed as overhead cam in the simulation since it is functionally equivalent and easier to program (visually) than cam-in-block. I'm well aware that 454s were single cam, pushrod engines haha. Also the user interface that you see was made with my game engine, I forgot to mention that in my video. It's the same engine I use on most of the projects on my channel. Thanks for watching!
Edit: Also, I don't want to pretend like this is a PERFECT simulation or anything. It's a decent approximation but definitely not on the same level as a scientific tool. I'm mainly interested in the sounds and generally getting the power curves right
Sure but please simulate an inline 4 engine, I need to see an economy engine on this simulation. Also try to implement a stress test onto the simulation like when there is no oil, the wrong fuel is put into the engine like an 87 octane fuel on a high performance engine (90 and above octane engine) and something like that.
Yeah, I'd hold on to all your code... I can imagine any car game or simulator manufacturers wanting to license this.
I want to play with the application so bad, hopefully I can play with it soon.
Can the simulation support diesel engines? Also coukd we use this sim to create engine sound mods for games?
this is very valuable tech
Also, a detailed technical breakdown would be EPIC!
Maybe a technical breakdown will be made then! Thanks for watching
@@AngeTheGreat I'd be interested to know the textbooks and papers you read!
3:06 Model Engine Kits When you Only Put the Piston Rods, Pistons and the Crankshaft and Just Leaving it like that
BeamNG should implement this into the game's audio engine.
Edit: I didn't mean physical simulate the engine, just the sounds. That's why I wrote audio engine.
Not sure about that, but I'd love to see this as a customizable engine you could put in a vehicle.
Yes!!!
They already have some sort of it. Prob not that complex but thus not that cpu demanding. You can play with the system in "automation - car company" or smth like that I don't remember the name of the game
they would be crazy not to.
I wish the entire engine simulation in Beam was as sophisticated as this. As it is, Beam is pretty good, but also quite simplistic in some ways, so it's awesome to know that there are demonstrated alternatives. However the physics simulation in beam runs at 2000 Hz I believe, so the 80,000 Hz for this engine sim to be stable is a lot higher
I'm sure you've struck a chord that resonates with a lot of folks -- probably even a childhood dream for many! I really wish this becomes a HUGE community project in the long run (with a personal agenda of learning even if just a tiny bit from your findings and contribute to this code!). Great, stuff! Cheers!
The amount of different skills required to write this stuff is simply amazing. You wrote your own scripting language, you know about sound processing, physics simulaton, mechanics and so forth. And here am I, not even being fluent enough in english to even describe how amazed I am. Mad respect bro!
You should totally sell this as middle-ware. This is the kind of stuff tripple A studios will pay top dollars for.
No, he should be crowdfunded and it should remain open-source for everyone to benefit from
@@gloverelaxisno
@@gloverelaxisno he should require some kind of blood sacrifice for access
@@MostafaElSakariif your against free and open source software in nay way you are actively making the world a worse place
@@happygofishing assuming by "nay" you mean "any", no. That's just a stupid position to have as being against FOSS as a concept is too.
Since you're clearly arguing from a idealigious position, let me refute you with one. FOSS is about choice, that's why linux lets you shoot yourself in the foot even though it could be prevented. Through and through, it's user choice, that's paramount, maximum choice, always let the user choose, never take choice away from the user. Great! So what if the user wants to choose something proprietary? Forcing someone to make the "right" choice is taking AWAY their choice. If you don't believe people are free to make wrong choices, you don't believe people are free to make choices at all.
The distribution model of software is just as important as for hardware. High end specialty software flat out wouldn't get the financial investments needed to develop it if it was just going to be given away for free. (yes free as in speech not as in beer, but if the code is open, that means someone can just fork it and make a free as in beer version) I hate apple with a passion, but you know what I hate more? The EU giving itself more powers because consumers are too terrified at the thought of buying a phone without a fruit engraving on the back to buy from a company that doesn't fuck them over. If the wider userbase does not like the current offerings they are free to use other offerings or make their own. If, on the other hand, people like you continue arguing that "being against FOSS in any way is actively making the world worse" and people start legislating things that directly takes away user choice. I am no longer free to buy a phone with a lightning port even if Apple is willing to sell it to me and I'm willing to buy it. Being against the very concept of non-FOSS things is being against the very concept of FOSS to begin with since FOSS is about user choice. Let me stress again, FOSS is about choice, that includes the choice to use it, or not to use it, depending on when you think it's best applicable. Proprietary offerings are what drive markets, TWS earbuds were basically fucking invented by Apple's airpods, which they forced people to use if they wanted the newest iphone. That was a shitty and anti-consumer thing to do, buuuut then the market happened and other companies made their own offerings which were better, less locked down, and more plentiful. Proprietary spearheads followed by more organic market growth to compete with those offerings is how progress works.
If you think FOSS is the only right answer, you're not pro freedom, you're just an authoritarian who happens to argue his thing is good for people... so an authoritarian. Freedom to choose, means freedom to be wrong, freedom to want high choleserol, freedom to to eat bacon and butter and buckets of cheese.
Sincerely,
I use arch btw.
This is probably a legitimately good tool for custom car builders/modders.
I can see a collab with Automation - The Car Company Tycoon Game
@@SomeonessChannel Ooo I would be super happy if they could implement them together. I just wish Automation sounds would work in BeamNG alot better.
@@recon1673 And have an interior
@@tpmartin210 i'm pretty sure you can already build an interior, although it's very limited without mods at the time
As someone with 260 automation hours and 990 beam hours i have to agree with this
Finally someone who has realized that engine sounds in games have gotten worse.
Very nice project, I celebrate it.
Debatable
Some games (and even mods) have good sounds (and even improve on actual developers)
GTA 5 has some pretty nice engine sounds on almost all the older cars. Most newer cars in online however sound bad.
Beaming is the only one I can think of that has pretty good engines sounds but nothing on this level
@@krisk2466 assetto corsa?
@@krisk2466 ruclips.net/video/JBH5kbc3DyM/видео.html
Granted they're not generated, they're sampled but from a game that can differentiate deceleration, load etc it's impressive
Incredible project, protect your code! The engine braking is better than anything I've ever heard in a game. Forced induction next, please!
I've just found my favorite channel on the entire internet :D DUDE I've had this same thought for so long - why not just simulate engine sound in real-time? You sir, you are the one. Awesome work, keep it up!
"Quite possibly the dumbest project I've ever undertaken" This is INCREDIBLE! Cars and engineering in general have always been in my area of interests, and imagining every component of the engine, transmission, diff, all working together at once, every gear, oil pump, etc is fun to think about. Was always wondering why no one had done this! (accurately simulating each part that is, maybe Automation but the sound isn't there like it is here). Would love to see this implemented in an actual game like dirt rally or BeamNG. Definitely make a breakdown video!
Sadly, I don’t think it’s possible to simulate in BeamNG since his simulation runs on rigidbody at like 80000 fps but hopefully one day.
@@SpaceGood. for sure, neat to think about though, when computing power becomes powerful enough and common enough for the consumer to experience this
@@kianmcgavin7659 oh really? That's super cool!
Well I think beamng actually already provides great engines sounds
Haha V10 go brrrrrr
A rotary aircraft engine with 20 cylinders would be sick.
Ohhhh I read this wrong
I thought you mean Mazda rotary engines
you mean like a wankel engine right
@@JNJNRobin1337 No, rotary engines were popular in early WW1 aircraft designs. Wankel is s completely different architecture.
ah, i completely wasnt aware; good to know
I think radial engine would be a more accurate description
I’ve wanted to see a game where all of the sound is synthesized in real time. Essentially you would never hear the same sound twice. That would be tight.
Not well informed on this so sorry if this sounds ignorant but wouldn’t they also have to simulate the weather conditions like air density and temperature? Idk if the games do that already
@@Badsniperarmy No, most games don't do that. Infact most games don't simulate atmosphere
Games like kerbal space program do it afaik but GTA, COD, Forza Horizon etc just simulate some effects like atmospheric distortion, aerodynamics of car etc.
I can be wrong tho
@@Badsniperarmy It's not ignorant. Sound (specifically the speed of sound) is affected by temperature, but only really slightly so it shouldn't matter much. The environment that the sound is in matters much more, since sound bounces off objects.
@@Badsniperarmy those variables could just be replaced by constants or something like that, or develop a simple system for those like; If raining humidity is higher. No issue tho
Use this with sound ray casting with ingame engine effects, E.g reverb,delay.
This is awesome. I’m a sound designer and I can tell you now this is nuts!
This is some absolutely astounding software, this would actually help a tonne with my university thesis, I hope he makes it available
It’s available again!
"A real time internal combustion engine simulation" - Okay, that sounded like a lot of work, nicely done man.
"Because I want to know how hard is it to simulate the engine sound" - wow, okay that sounded like a bit of an overkill. But go on.
"A rigid body simulator simulates the interactions between all of the internal components" - WOW okay that's even more of an overkill, right?
"A physically realistic fluid simulation" - WOW THAT's overkill
"Piranah is my own custom scripting language that I made" - gREAT now you're inventing scripting languages too. What next.
"I've actually built one of these 454 engines myself" - This man can and has done EVERYTHING under the sun.
"GM's values matches simulations' predicted values" - alright this is neat. I guess your stubborness paid off then.
"I'm very familiar with the Kohler V-twin engine" - okay, again, is there anything that you haven't done?
"Sound and horse power figures pretty much matches reality after I've entered the parameters for this completely DIFFERENT engine" - BRUH
"I literally read entire textbooks while researching this, and I've also read a lot of research papers." - Yeah man, it definitely shows!
That was my line of thought too. Absolutely mind boggling
Modern Renaissance Man
This is like the most impressive thing
This is awesome! I saw a brief screenshot of this video in another video and had to pause it to find this. I'm obsessed with engine simulators. Can't wait to play with it!
The first thing I immediately thought of, before you even started talking, was a rotary!
I would love to see a rotary engine in your simulator. It's one of my favorite engine designs, and it produces such a unique sound that I haven't ever seen replicated well in games
This is likely s huge challenge, but you wanted suggestions, so here they are!
With the release of modular simulators like this, game devs have no excuse for bad engine sounds, so they better use this
Ahh tag me there pls
Yes I thought that too. A 13B would be very cool.
@@schmieroel and an R26B
I agree. finally do what Camshaft Software wouldn't
Yep, so awesome!
This would probably be hard to implement, but adding turbos, superchargers, exhaust pipes with different header lengths, resonators, and mufflers would be pretty awesome to see, and also would get you a super realistic sound.
This was recommended to me out of seemingly nowhere. I'm really impressed. The coding, the visual presentation, attention to detail, the relentless hunt for knowledge. Exceptional.
Maybe game developers could place a sine wave generator in the engine bay, binaural microphone at the driver position and record the frequency response curve and set up convolution reverb matching the cabin for ultra realistic sound reproduction.
That's a fantastic idea that I hope someone incorporates. It really shouldn't even be too hard to do. Although now that I think about it, some of the engine sound comes from the engine, some comes out of the exhaust, so you'd have to keep those separate and apply different EQ to each... But to me it's worth it. I hope devs pay more attention to sound. It's half the experience!
@@sensoryoverload673 it’s so weird to me that the free and awesome steam audio engine isn’t used by a lot of games
I wonder if a VR microphone might work as well in this configuration, so that you don’t have to keep the head rotation static relative to the vehicle
Your Engine Simulator is awesome! I can record those sounds and put it into my game with exactly that engine sound I always wanted to get into. You're a true hero. :)
This is the first time I see a physics engine being used to generate sound. Mindblowing.
I was incredibly impressed thinking it was just a visualizer, let alone an actual rigidbody simulation. AND IN YOUR OWN PHYSICS ENGINE??? Bro.
EDIT: CUSTOM SCRIPTING LANGUAGE??? MAN
I love how he casualy mentiones it too. "Btw this uses my custom scripting language i made"
@@JukoYT not to mention "and actually built one of this engine before"
Mans took the saying, “To bake a pie, one must first create the universe”, a bit too literally…
The moment I heard him say "to get a better feel for the power of the engine I also implemented this vehicle simulation..." with 4 more minutes in the video I started wondering if he created the Matrix just for realistic sounds lol. Seriously, this is so impressive. Those passion projects are the most interesting ones because they're made with such an attention to detail and high quality as the creators set such high standards for themselves.
Yeah this guy is nutty
wow, nice :D
The biggest compliment to this video
Here before this blow up :))
The engine sounds in BeamNG are very good, but they could be even better with this simulation, I would love to get goosebumps and start crying from the sound of the cars :)
Plus a simulation of this level with the exhaust system and I'm crying and shaking 😂
I can't believe that BeamNG actually commented on my video... this is so wild
Woah, that’s how you know this engine sim is impressive
Fuckin “bocchi the internal combustion engine”
Holy crap! This is one of the coolest things I’ve ever seen! Amazing!
This V8 engine sounded much more life like then I've ever heard, I'm sure 12 cylinder radial engine would sound impressive.
This makes me feel so dumb. Even though I studied mechanical engineering this is something I could only dream of making myself.
For full realism, add subtle sounds associated with the valvetrain, cylinder walls, and bottom end!
I highly agree, that would be interesting to hear
They are already there... low and high frequency noise.
Add a subtle knocking noise that gets louder and louder with a 0.01% chance per hour to spawn
@@erdinca.2448 it mostly emulates the low and high frequency notes of the exhaust imo
Not sure whether it does already but I’d love to see it simulate induction noise aswell
I just randomly searched "physics engine from scratch" the other day and found your video. I was very impressed then. A few days later, this video pops up in my recommended and let me tell you my jaw hit the floor when I saw the clip from the physics engine video and I realized it was you! I've never watched a video that consistently made my jaw drop every couple of minutes, this is super impressive. Looking forward to the codebase becoming public again, I was disappointed to see it was made private for now!
Next this guys gonna be like “and actually during this project my computer crashed so in order to counteract this I made my own operating system and had to hand make my own computer from scratch the hardest thing about that was the gpu with how much optimization it needed but after that the one to one universe simulator ran faster that ever” also I would love to see the technical side of things so I’ll definitely stick around for that
Yeah , i was amazed when he said he made his own scripting language
When you showed an engine sound, the subtitles showed acurately [music]
Can this simulation handle a rotary engine? That would be interesting to see.
A wankel rotary or even a gas turbine engine would be the next logical step for something like this
I need to see this it would be lit
I would love to see that
The dynamics of a rotary engine are very different, I don't think this software could handle it ...
That said the same principles could be applied on a wankel simulator, but I feel like it would need to be a separate piece of software
(Not an expert coder though so happy to be proven wrong)
There is a lot of overlap but I'd need to write some code to make it work, I might make a followup video about rotaries
Whoa Ange. Just whoa.
You have no idea just how much my mind is _blown_ right now. I can't wrap my head around just how awesome this project is!
Also the very first thought I had when I heard the engine noise was "Huh, that actually sounds pretty darn accurate." 😁
Mission accomplished! I was very worried when I started this project that the sound wouldn't be convincing but I worked *really* hard to get it to this state, glad it paid off! Thanks for watching
This was simply a delight to witness. What an absolute time it is to be alive. This is a marvel of computer programming
This is absolutely incredible! I'm at the stage of looking through textbooks and trying to learn more about engines to see how I can simulate the torque curve accurately. Surprised that it took YT _this_ long to recommend me this video.
Amazing results ! The sound synthesis is really impressive !
Thank you! Now if only I could make my engine talk and have wattles 🤔
@@AngeTheGreat 😂
i fall asleep dreaming of coding a realistic engine, finding out that someone has done this just makes me so happy
As someone that loves problem solving, I’d absolutely watch ten hours of you explaining how you overcame problems with research and programming even though I’m not what you would call a coder myself.
I cannot unsee the Color palette
this sounds more real than any other digitized engine sound ive heard . the shift downs sound perfect.
I think this is the first time I've seen someone say shift downs instead of downshifts
@@r6scrubs126 shift up shift down downshift upshift, what matters is we can shift right? the clutch waits for no man.
I find the 3, 5 and 7 cylinder engines have this really cool harmonic. I'd love to see you try that out. cool stuff man!
I am thoroughly impressed! I a can’t believe no one else has done this before. As a life long audio aficionado with a keen awareness to everything that makes a sound and harsh critic of bad recreations, my mind is blown by your project. All I can say is well done on everything that you put into making this! 💜
I appreciate the audiophile stamp of approval! Thanks for watching :)
Seriously. This guy is handling the business. You may not think that the business is being handled here, but trust me, it is. I've had to start watching these videos with my earphones in or when my girl is asleep to stop her getting impregnated over the sound waves from this dude.
i would really like to see if the distinct "angry bee sound" of the 4a-ge would still be there in the simulation.
This video was extremely interesting to me, I watched it 3 times already!
I'd love (love!) a more technical video explaining all the parts of this project. I guarantee I'd watch all of it even if it was 5 hours long.
Wouldn’t have guessed that you were into math and coding if you hadn’t mentioned it…
@@mkseed9188 lol
@@mkseed9188 Redundancy removed xD
You should do one for jet engines next. Number of turbine blades, compression stages, bypass, RPMs, afterburners, etc., all result in distinct sounds for a given engine.
Fuck jet engines, been waiting ages for realistic fake car sounds
Amazing work!! Racing simulation developers should take a look on this
holy shit ive been trying to find someone who did anything like this for literally YEARS, this is fucking amazing 😯
Same. Read some papers because I was trying to code my own version of this, but ended up not doing this. This is a dream come true. Hope there will be time left for studying the next weeks. ;P
As someone who is deeply passionate about both engines and sound design/audio synthesis (spent years building DIY hardware synths and cars in my free time), this is downright amazing. Not a dumb project in the SLIGHTEST. Thank you. This is a dream project.
This is absolutely god-tier stuff. You set out to simulate sound, absolutely smashed it, and did it so well that you ended up simulating power as well. Bonkers.
1:58 What the pedal does is actually regulate the load of the engine, which is the percentage of its torque you ask it to output. For example if you have an engine that is at 2000 rpm and at that speed it can output 120 Nm of torque, slamming the pedal will tell it to output that full 120 Nm, which will either cause it to rev up or it may be necessary for it to maintain speed depending on conditions like incline. Electric motors, or at least the three phase ones controlled by computerized inverters you'll find in electric cars, are actually controlled in the exact same way (i. e. the pedal commands torque output and if you fully let off of it the motor will output negative torque for regenerative engine braking)
Your videos blow my mind with what is possible. I can't believe this. This is incredible. I never thought that you could use physics to simulate sound that is so physically accurate. That is unbelievable. I am so interested in the technical explanation. You are one of a kind and your videos continue to amaze me. You are so good at what you do.
Thank you very much for the kind words! Honestly I didn't even know whether this project was possible when I started and I was surprised that it turned out this good. There's still a lot of room for improvement though. Thanks for watching!
You've synthesized and materialized what many gearheads probably dreamed of. It would be nice to see this sim generate engine sounds in an older racing game for test.Thank you!
Holy crap, the sound of that engine sounds better than any car game I've played. And I'm talking FH2, 3, 4, and 5, BeamNG, the FM series, etc.
That engine sound is so good, if I didn't know otherwise, I would think it's a real engine.
The only thing I think it lacks is imperfections in the sound, as in, it sounds the same every time you rev the engine. It might be cool to have the engine have weird quirks about it's sound, like older engines in real life.
I could definitely add some imperfections like that. Probably in my next video I'll show what engines sound like when they have certain issues (wiped cam lobes, shot piston rings, etc.). It actually reproduces these effects pretty accurately. Thanks for watching!
Love the Boochi the rock engine colour scheme
This is easily among the top 5 coolest videos I have ever watched in my life. More videos on this engine project, please!