All About Audio Compression Ratios - Into The Lair #81
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- Опубликовано: 7 сен 2024
- In the 81st Into The Lair, Dave Pensado of Pensado's Place goes over everything you ever wanted to know about compression ratios (3:1, 4:1, 20:1 etc) and when and why to use specific ones in your mixes.
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The service that Dave has been doing for the audio community is huge. Awesome person and definitely forward thinker.
You can't not love Dave Pensado. Thanks for this!!
Steven Bakunin *very slow claps*
Steven Bakunin the advice is free. Shut up and listen.
@Steven Bakunin He spends his time taking notes, to try and give us the best information possible for free, not getting the best audio possible for the video, he has already proven he can by working on some of the BIGGEST SONGS OF ALL TIME, which you haven't been remotely close to accomplishing; so shut your mouth and talk about something you know about! This is a perfect example of a hater who is clearly envious of Dave's status...
I love how confused Dave gets at parts during his explanation haha, cos it really can get that confusing when talking about ratio's! Great tutorial!
Moghul Veyron simple mathematics
8 years later and this is still one of the best explanations of compression I've seen
What a great guy.I think Dave Pensado and Graham from "The Recording Revolution" are two of the best online resources for mix engineers of any experience level.
Gary Goggin Graham? That's like saying salt and water are two of the best hydrating substances you can find. Or night and day are the best parts of the day. Graham of course being salt, and them both being at times polarized by Graham's propensity to take shortcuts and say things are unnecessary that Dave goes great lengths to explains and constantly shows he uses.
Dave, I can't thank you enough for sharing so much of your insight in these videos. Even though I understand comp ratios, I never really stopped to think through what you just so eloquently explained; how to think about the effect of different compression ratios to various source material. Now I completely understand why my results sometimes don't work out as expected. I can't wait to apply these ideas on my next mix. Really great stuff, and thanks again for being so generous with your knowledge!
Crazy that after every compression video I watched on ratios, this one made the most sense to me. Even the question of EQ before or after compression. Thank you!
Yeah I watched it with my in-ear headphones and the vocals almost blew me through the roof.
If you complain about any of his videos stop watching then. He is a certified pro who gives us gems. He doesn’t have to do this. I would appreciate if you quit with the thumbs down and the unnecessary comments about a master engineer. He’s very generous for allowing us access to his mental vault.
Though hip hop & pop isn't really my thing, just listening to how a pro operates, thinks and uses his tools is just so invaluable. What a cool cat!! Thanks Dave. Get some sleep
To Dave Pensado i'v only been watching your videos for two days now. I am greatly inspired to one day reach your level of experience. Thank you so much for your lessons. You should teach at a tech school if your not already doing so.
High level approach.. modelling the intentionality of the lyrics with compression. You are the 6th Beatle ; )
Yes Great video....this is how to use compressors...to create energy and control it at the same time...instruments and vocals in great mixs sound uncompressed even though they really are...Dave demonstrated it very clearly and the energy is something that few beginning engineers think about while only watching meters
Only one professional full time world class , and highly sought after engineer producer in this discussion and he's giving the lecture. I'm going with his advice and being grateful for it!
I love Dave, he's so god damn chill! Not to mention a genius
This is called 'teaching'...such a knowledgeable and yet humble dude
Wow! So many things to think about in this ITL. Fantastic as always! Also, it would be really cool to see Dave kind of take us through a tour of his home studio!
I know Dave.., It's hard to explain with world, right? But I got it....
Love you for doing what you are doing for the community!
Love your insight sir and it's a lil privilege for us to get a snippet of the production encyclopedia that is your brain, keep them coming, much luv from Northern Ireland
Thanks dave. when i'm finally famous and on pensado's place i'll reference this comment; you really illuminated compression for me.
I love how he said "You guys can do some work too" haha :P
thanks so much for these videos man. still helpful 4 years later to someone that is trying to delve further into production and engineering!
Useful info and Dave imparts gold that he doesn't have to. But do my ears deceive? Audio starts panned hard right and slowly moves to center? :) Bless the "hey guys, I'm not perfect. No one is.." aspect of Pensado's Place.
DAVE! Love your videos. I'm watching every single one. My mixing has exploded because of your wisdom. Thank you. I gotta ask though, we aren't you mixing you're own mic? A closer mic with some bass roll-off. A little 2.5:1 compression and a limiter at the top. And a volume that matches your examples... Your examples are way loud! Anyways, I luv ya dude. I hope to meet you face-to-face one day.
Great video, but did anyone else have a heart attack the first time he played he hit play?
Reverend Eslam I don't think he has the time to do the audio for the show, I'm pretty sure someone else does.
I heard your mic move from point A to point B at the start of the video. It sounded like panning. Lol.
thank you i was struggling with compression for a while, but it finally clicked after watching this video
don't worry, son, I am. that's why i was here. you keep worrying about the levels on youtube tutorials it's a big help to us all
I had a major breakthrough in mixing, and thought I would share it with everyone. I did live mixing back in the 80's, and have played as a musician in a few bands. I got back into mixing/recording around the year 2,000. Enough background, now onto the really simple mixing template that can get you into a great mix quickly. Place a compressor on all tracks, and have them all set to a 2:1 ratio... turn the threshold down while the track is in solo mode, pay attention to the 'feel' or 'vibe' of the track as you turn your compression ratio down. Do this to all tracks. place a second compressor on the final L/R output, and make sure it is set to limit, brick wall, at the last 1dB before clipping. Now start mixing. You may end up with something completely different (more or equivalent compression) as this, but this start point mixing template will have you experiencing a good mix quickly. Once you have something that sounds relatively decent, and you are about 30 minutes into the mix, render that mix. A really important vibe will be captured, and you can use this as reference when you're into your 3rd, or 4th hour of mixing.
+Tim Kasey I would use 1-2 db mix buss compression as a template, but not further. Because, as for me, not all tracks need compression at all.
Artem Fedotov I made that comment January 19th, 2015. Truth be told, I (as well as others) need to include the way the tracks were recorded. I didn't have an opportunity to add any compression during the tracking process, and this should have been stated. Most pro mixing engineers are going to receive tracks that have been compressed, and that is why they barely need any compression while mixing.
well explained! this has always been really confusing to me
Hahaha..explaining compression ratio is alil tricky...I been watching you for years love your videos, keep up the great tutorials... Much respect
Dave thank you so much for taking out the time to do this for us. It really does help out a lot!
These videos are awesome. Please never stop making them
Good on you Dave. A kind and generous tutorial.
Great as always. The thing about Dave is he makes me feel like I can do it just as easy...even though I can't.....
It's funny that on a video about audio compression that there is such a wide disparity in volume between the speaking and the music track. I had to constantly turn the volume up and down to get through this. Ironic...
I was thinking the same thing, lol.
I was listening with headphones and got trough pretty well.
+Tom Larson It's by design. He's letting you experiment with manual compression to drive the point home.
Riding the fader so to say hahaha
+whyaskmenoely25 lmao
Really appreciate your videos Dave. Thank you for sharing your wisdom!!
Dude, you've got AWESOME videos, and you do a great job of explaining things.
I've been making music for years, but never bothered with mixing/mastering .. largely because I didn't understand it.
You're really helping me understand it, and I'm totally hearing the difference in my tracks. ... I'm watching other vid sources too, but yours are some of The Best!!
Thank you! =]
Thank you so much for taking your time to do all these tutorials Dave, your the best!!
everytime i hear his voice like this, i want to blame the videographer because Dave is an excellent engineer lol
These are the important things about compression and not to always get the newest fanciest plugin. Great videos Dave thank you!
Thank you for this great video friend. Just bought softubes native VC bundle and dbx 160 from waves cheers.
Thank You Mr. Dave Pensado 🙌🙌Ver Helpful Video🔥🔥.
I feel like a person that finds Pensado's found something that will weather. I have never met Dave but I like Dave.Thanks again KPM
True there's so much to learn and experience!!!
wow, as long as I have been using compressors by ear, I finally GET the ratio better. Low ratio can bring UP the lower stuff and make the higher stuff tame. When you take the threshold higher, it starts to even the whole thing out into one dynamic range...I can picture small and capital letters all starting to become capital letters as the ratio is increased...or i'm just retarded,,,lol anyway..thanks Dave!
This was actually a good ratio & threshold tutorial for beginners
Thanks for doing these series of videos....
If you guys compiled all "into the lair" episodes together ... You gonna get a great 3-4 hour lecture video of bit and pieces regarding all you need to know about audio mastering ...
For those enthusiasts or beginners, this is a real source of your research and a great start to improve your skill further. If you are pro, well stuff that Dave said will teach you a thing or two even more. :)
How come such a genius like Pensado can be so funny....!!!! for a moment made me think... mmm are you sure? jajaja! but I know... You are the Best! Bless!
Stillwell-audio made MajorTom, which was modelled after the DBX160.
I love that compressor. They are the company that made Rocket & vibe-eq.
I like to think of ratio as gravity and threshold as the ground. Any signal above the threshold is pulled back down to earth (the threshold) by gravity (the ratio). The higher the ratio, the stronger the gravity.
Actually in reality is different, the higher the gravity is weaker.
+Basari Studios TV shutup
+jnyc That's a good analogy... so if I'm following, 2:1 would be like jumping on the moon. 3:1 jumping on earth, 8:1 jumping on Jupiter...
Dave, you're the best.
I love my 160 XT, specifically on kick and rap vox, and dave makes me appreciate it more!
Subtractive EQ goes before compression; additive EQ goes after compression. The logic is that you don't want to bring up (through compression) something you don't like (the offending frequencies). Once you've cleaned up the sound and made it coherent and "tight" (through compression), you can safely boost your frequencies of choice.
Excellent teacher.
"Anyway, look it up! You guys gotta do some work, too!" - Apart being a funny thing to say in such a video, this is probably the best advice one could get anyway- go and do it. Lol. I like his mind.
i never really understood ratio on compressors. now i do, thanks for that!
@radioloud I recommend you record some automation with the channel volume fader first and get the general volume to sound even that way, then you can send the output if that channel to a bus (group) and put the compression and other effects on that. It is very useful for fine tuning odd words that may be a little too quietly recorded too
Thank you, Dave 👌🍀
Finally! Been waiting for these to come back!
Awesome video Dave, but I have to know - was the surprise volume a real world demonstration on why compression is important?
Wow it took my 2 year to get this down but yes the rule of put in an EQ before the compressor, for the simple fact of the environment hose the Peaks where the recording is happening so tame those environmental Peaks are priority for more direct sound
You're the man Dave, awesome lesson, thanks so much!
Limiters are designed to have a faster and more transparent attack time in general where as classic comps are designed to produce a specific shape
Cheers Dave. Informative and encouraging as usual.
That make sense to me, different applications would require fundamental differences in design. Thanks
thank you Dave and the Gang this is a great tutorial .....i've again learned a lot here
you're great Dave. thanks so much.
Bravo sir, fantastic explanation!
The ratio went waay higher than I expected before it fully lost the feeling. I thought about 10:1 but, to my ears, complete squash happens around the 50:1 mark
Amazing. Informative and encouraging, thank you.
What does it mean if you have a compressor that has a setting of "infinity". - I mean... When I've tried that it doesn't really seem just like a brickwall limiter but just a very intense compression. - For example, the API2500 has it, but I rarely use that kind of setting because it's just too jumpy and slams the level down so much that it makes the sound really "small".
Dave, dave, dave.....Awesome guy . Character
Dave is awesome!! "Infinity to 1, or is it 1 to infinity? Well look it up, you guys gotta do some work yourselves" He is in my top 3 fav engineers.
This cleared up alot for me! Thank You
man, thank you for this vid! I always have a really hard understanding exactly how a comp works. I think you gave quite a bit more info into the situation.
always a little worrying taking advice off a guy on sound who cant get video sound right...
haha he was just changing it up a bit ;)
That'd be a mistake. He's far too busy to do the sound on his show. You might want to look into who exactly he is.
was a joke..........
if you dont know who he is, stfu. the dude has got nothing to prove anymore. take it or leave it.
THE COBRA SONG you little complaining inconsiderate piece of shit get the fuck out of here
when talking about effects order, what do you mean by infront or behind. i know the difference i just dont know the signal order
So it was that simple huh....wow! thanks man!
As always, brilliant!!
The ITL's are Dave's break from mixing ;-)
Great video Dave as always...Many Thanks :)
Audio in the beginning of the video is coming out my right speaker only. I also heard the engineer click something that stereo'd the audio mix of this video soon after. What happened there?
If you look behind the computer screen you can see a main monitor. Could be a replacement for the KRKs and NS10s.
Dave. Many thanks, I can really hear the energy leak out of that vocal. Is that the ratio or just too much compression? Would you get the same effect with lowering the threshold? I suppose what I'm struggling with is when to use higher settings for threshold and ratio to get say 3-4db and when to use a lower ratio and lower threshold. I have difficulty separating the two in my ears and in my head.
i like how this guy is all about mixing and engineering and then the audio is only in the right speaker
Cleared alot up for me m8 safe. And I will be using a compressor for live performances (dj'ing) . Can you tell me if the input volume into the compressors threshold needs to sit at or just under 0db or can be anywhere without effecting quality
I've just begun working with compressors but so far I haven't seen any that offer a threshold above 0db, only below.
You should do an ITL on using the outboard gear in your setup. For instance how do you capture some bricasti verb on a track. Take us through that process. Its always about stupid plugins. Or even just give us a studio tour of your outboard and tell us what you use what on etc. All this ITB ITLs and NOTHING ever about outboard! :)
Hi, great help on compression. I have just bought the api bundle from Waves and digging the 2500 comp. 1. In the video you say to try and maybe put the eq before the comp, so I`m thinking do you mean to just put an eq on the initial track / insert and aux bus my 2500 comp {is this called a stem ?}.2. I put most effects like eq, comp, vol etc on aux busses via aux sends and getting my mix sounding better, however is this correct {as I know it frees up cpu etc}, basically I use initial track inserts for virtual instruments like iris2 / Ez drummer. Correct ?3. Regards to the api 2500 comp I first put it on an insert and it was clipping so learnt routing / aux sends - busses and the 2500 works so much better along with the 550a / 550b & 560, however I am trying to place the 2500 on my master track {to glue the overall mix} but have to place the 2500 on the master track insert {causing clipping ??}, can not see how to route the master on a bus.I use pro tools 12, any help would be greatly appreciated as I getting mixed up and your advice is so much more better than others. Thanks again, regards, Nige / uk.
+Nigel Alker Hi, usually you want to put your EQ and Compresoor directly on your tracks as insert effects. Because than they affect the whole audio of the given track. By routing your track to an AUX with a Comp your doing something called parallel compression. You're compressing a copy of your track and blending it in with the original one. Nothing wrong with this technic but it has a completely diferent result! Normally you would use this to maintain the original dynamics of lets say a drum kit, and enhance room sound and the body of the drums by blending in a heavily compressed copy.
It is a good idea to use EQ before compression to cut the frequencies you don't like before they can affect the way the compressor works. So if you have for example a bass you would put in an EQ as an insert cut the stuff you don'tl like and than put in a compressor as an insert to control the dynamics of a bass. Of course the same is true for setting up an AUX with compression. Set the EQ on the same track as the compressor and cut what you dont like.
As for the clipping, I think you're problem is that the compressor applies to much make up gain and your driving your tracks too hot. How much headroom do you have before inserting the API and how is the make up gain set up. Maybe try to turn off the automatic make up and set this by hand and look if it helps.
No, a ratio of 3:1 means that if your input is 3 dB over threshold, the output is 1 dB over threshold. Your level is knocked down 2 dB. So if, at a ratio of 3:1, you set your threshold at -30dB, and your signal hits -12dB (18dB above threshold), you divide 18dB by 3, giving you 6dB, so your final output is -24dB.
I set threshold using the input meter, picking the lowest point that stays green constantly. Then I adjust the ratio to get the amount of gain reduction I want, i.e. -3dB. The attack and release are set according to the type of signal being compressed.
+A. Ray Woods Interesting, never tried it this way.
Yeah. From the lowest point the input signal stays green, or red if it's that color, to the highest point of the signal is the total dynamic range that you're trying to control. Using ratio, attack and release you can minimize how much the signal above the threshold fluctuates.
sick
OK, but if I have compressor with high or infinite ratio and fast attack time, it will behave as a limiter? Would peaks still get let through?
I understand the use of a compressor is quite different to a limiter, you would typically set the threshold of a compressor lower than 0db for instance. I would go to a limiter as final step in mastering chain. But what aspect of the algorithm is different besides ratio & time variants?
Great tips. Thanks again. (Didnt like the way Dave's voice sounded in this episode)
Also, what an epic chair you got there man! ;)
Great Video!
Thanks for the more in depth explanation! :)
great video! still helpful
thanks Dave, you're the man!
compression is one of the hardest things for me to hear im just starting out mixing but i will get there. its really easy to hear on drums but on other instruments like guitars i swear i can hear it doing anything
GENIUS.... SHEER GENIUS!!!!