What is DSP? How To Use REW to Tune Your Speaker System
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- Опубликовано: 7 июл 2024
- What is DSP? How To Use REW to Tune Your Speaker System
UPDATE 1: Make sure when using autoEQ, to set the graph to Var smoothing (not Psychoacoustic) as this affects the correction profile. Also play around with Individual Max Boost, Overall Max Boost, and Flatness Target Levels. I currently like using (6, 6, 3) but experiment for yourself.
This is a beginner's tutorial about how to use DSP room correction for speakers using a MiniDSP UMIK-1, REW, & Dayton DSP-408 digital signal processor. An alternative to the Dayton Audio DSP 4x8 is the MiniDSP 2x4 or 2x4HD.
After applying this room correction, my speakers sound much better to me. I still applied tone control adjustments to suit my personal taste and the fact that I typically listen at low volumes here and adjusting the bass and treble accordingly helps intelligibility.
Here are affiliate links to the products mentioned.
MiniDSP UMIK-1: bit.ly/UMIK-1CalibratedMic
Dayton Audio DSP-408: bit.ly/DaytonDSP408
REW: www.roomeqwizard.com/
Dayton EMM-6 Calibrated XLR Mic: bit.ly/DaytonEmm6
Dayton Audio MK442T Speakers: bit.ly/DaytonMK442T
FX-Audio Tube-03 w/ GE JAN 5654W Tubes: bit.ly/FXAudioTube03
Micca AD250 Amp: bit.ly/MiccaAD250
MiniDSP 2x4: bit.ly/MiniDSP
Dayton Bluetooth Dongle for DSP-408: amzn.to/2EXlSrK
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DISCLAIMER: Dayton Audio products were sent to me by Parts Express free for review. This does not influence my review process. Description contains affiliate links, which means that if you click on one of the product links, I’ll receive a small commission. This helps support the channel and allows us to continue to make videos like this. Thank you for your support!
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Update from present me: This is not exactly how I calibrate now. This is definitely not how Magic Beans True Target works. I've learned a lot after 5 years of calibrating systems.
Maybe make a. Ew video? I am over 50 start again with hifi and find out I have trouble with roommode and soeakers. I use analog amp with streamer. Would like to seehow to correct it
Can you make a new video?
Thanks for the great video! I have just started testing my new toys, minidsp 2x4 and umik-1 mic and so far after a few hours getting into it I just know already that this going to be amazing. I have not got all the details correctly and just learning the essentials but the first tests have showed me the revelation. The final missing link in a chain from the source to my ear. The room is the last link in the chain people! Room correction is essential!! It really makes the difference. You go from boomy and mudded to crystal clear, precise sound. This is it, Guys!! Ok take care, from Finland.
Good job explaining something pretty complex in a simple way! I was planning to get these tools to setup & tune the system of a small event space I'm working on.
Thank you so much for posting this video. I'm very new to this world and you explained things so clearly. I just finished wiring my truck up and I'll be doing measuring, testing, and calibrations tomorrow. That REW software looks fantastic!
Excellent tutorial, thank you! I just started playing with REW and that’s exactly what I needed.
Just going through some of your DSP and REW videos. You have grown so much in just 3 years. Nothing but love for you.
🙏 I appreciate that.
Great video! DSP always seemed so challenging but now I feel like I can take it on. Thank you
That's a nice compliment! 🙏
This video is amazing for the average Joe, good information. Will hopefully help a lot if people with the goal of achieving better sound clarity.
Thanks! 🙏
This video is assuming the average person already understands a lot of things. How did he move the filters from REW to the DSP? Is there a wire hooked between the two? I need a video for dummies. One that assumes a person knows absolutely nothing. How to read the graphs would be nice too. I've watched 3 different tutorials on how to use REW and still don't have a clue how to do it.
Excellent. Clearly explained and useful, thanks for taking the time to make this video and for sharing it.
This was an awesome intro to the Dayton DSP, the free tool, which is ALWAYS great, and YOUR APPROACH, which is from an experienced Tech, which we can use, and then adjust as WE see fit to what we like and how we want to hear our music. I for one, like music to be balanced, but also like for songs with bass to hit rght, but also be clear - louder isn't always better.. but loud and CLEAR wins competitions... but for parking lot pimping, this is a good start to work on your own setup, and find what works for YOU. Appreciate the intro... not to look for some more advanced stuff to fine tune even MORE... thanks brother
Hi Joe, Thanks for the way to find this Video about the software and components needed. Learned so much in the hour after your e-mail reply. Thank you so much... - Alton
Thanks bro, by far the best explanation of REW. Awesome
Hi Joe, ive been listening to this video, you were saying if you doing ok and might not work for some people... in my opinion, in sound tuning, there is no right or wrong, or what so ever... ive been tuning for more a decades, on this video... i give you a thumbs up!!!! please do keep posting on great work! tools is to get your tuning rite on track fast, but in detail on tuning the sound, always trust your ears as machine dont tells you it is right sound or it is a great sound too!
Thank you for the support!
That's excellent content, thanks. This video will give me the confidence to start playing around with DSP as well. 👍🇸🇪
Thanks for the video. I’m trying to setup infinity rsii in my room. Going to give it a try.
Thanks for your video. It answered many questions that I had on the Daytona unit.
Thank you for this, very clear! I intend to buy the UMIK-1 and take measurements of the room, then apply the EQ to my raspberryPi running Volumino with bruteFIR. From what I understand, I can do this in software so I won't have to worry about a separate DSP.
Nice demonstration Joe. Thanks.
Learned a lot man, thanks for making the video and sharing brotha 💪🏼💯
I am surprised you have to manually enter the REW data into the DSP and not just copy the data file over. I've been working out all my system parameters mechanically as in speaker type, positions and , being triamped, individual levels, seating positions and getting it to sound good to me as well as being practical. My music room is a multi use room, not dedicated to sound only. I use no eq at this point. I will literally change to a different speaker before adding eq up front. I save eq for absolute last and hopefully just as a fine tuning. I've been sitting on my miniDSP for almost a year getting all the rest correct first. This video was a big help seeing it actually done. Thanks.
Excellent tutorial Joe. Much appreciated.
That was way more useful. I've watched a few videos and it just shows people making changes, but not explaining why they are making the change.
So, basically, what you could do is run these measurements, and put them into a processessor that will accept PEQ measurements, like the monolith HTP1. It has 16 PEQ, so you could choose a setting that allows for more EQ's on mini dsp. You can measure this way, manually, vs using any room correction software, because you have more control when using mini dsp. You can even create your own room curve.
One suggestion I have is to set your target curve to the lowest dip, then set that target curve for both speakers. That way they will play at the same volume, and REW will not need to boost, it will only cut which sounds very natural.
thanks ! i learned a lot with this. gonna have to buy one of those dsp thingy's 👍
Great review!
I have been out of HiFi and Audio for many years now. I ran a very large 3-way system with 6 mono blocks managed by a 1st gen DCX2496. It was like magic to sit with a laptop and measure and adjust the filters over the RS232 serial port. I still have the DCX2496 but have sold all components of the large system long ago.
Getting back into Audio is a brave new world. =)
I love how easy it is today to get into audio without it costing a fortune.
Keep making great videos brother! =)
Greetings from a sunny summer in Sweden.
Awesome stuff Joe. I hate the fact that I have some pretty good equipment in a dedicated theater room and have not been able to use REW. I have the Pioneer system that does all the setting for you after running a room analyses, but Id like to do it myself. Just recently got back into car audio and just bought the dayton, and plan on using rew to tune my car. Your video is very good at explaining this for a novice. I will be asking more questions:)
Great Video Joe!
Thank you! First time seeing you guys here!. Thanks for supporting the channel, other budget audiophiles and DIY audiophiles!
OUCH! How Barbaric! A Lens with back element facing up & uncapped :O
This is probably the simplest and easiest to undestand and take away from of any REW tutorial I have seen so far. Thank you! I am assuming I can play around with the EQ thingy and get maybe partially usable data to throw at my Yamahas multiband GEQ settings. Unfortunately, on the new yamahas, they removed all the Q and db and you just get a few bands with unmarked sliders, but still...
Precisly how I do it. Great guide!
Hey Popa!! The little guy want to setup his speaker's dude 😎
Very nice video. Thank you Joe.
Great video ! You’ve covered certain areas
Great video and excellent explanation! Thank you!
Very helpful video. Thanks for posting!
Great video, very handy and informative!
Thank you, I needed this video!
Glad it helped
Dude! SUPER HELPFUL BRO!!!!!!
Really nice instruction. thanks for sharing. appreciate your efforts.
Cool info, R.E.W. can add a whole new dimension to the hobby. I use Anthem A.R.C. which is a similar P.C. based suite. The mic. purchase and learning curve {reading} led me to my Anthem purchase. Highly recommend some REW reading. Very informative for reading the graphs and what to improve or how to improve. Helpful tips for us with A.R.C. and DIRAC if you'd like to go really custom in the settings. And not mess it up to badly.
Found REW had tons of info on the site, plus a helpful community if needed.
Have you tried either A.R.C. or DIRAC yet? Could be a neat comparison custom REW Vs. one of the top room corrections.
I've tried Audyssey and Dirac. Dirac is simpler to use than REW and I think offers superior results due to the impulse response and phase alignment. BUT...it's not free
ur the shit man... you've helped me take my speaker obsession from elementry school to on the road to phd haha.. I bought the DINAS and now i think im going to buy some other tools like DATS & possibly omni mic 2..
Well done tutorial!
Very useful video.Thanks!
Hi great video. I noticed you mentioned initially measuring at 85db but then turn down to measure at 75db which as you rightly say is reference. But also the pink noise signal for reference level is not full range but 500hz to 2khz. Of course subs are at 85db but the 10db difference is managed in most avrs and processors.. thought this might help some folks?
very nice and clear man, thumbs up
I have used EqualizerAPO on PC. Latency and CPU usage are negligible in normal usage. But it does not support exclusive mode like ASIO, so for music compositing you better get an external DSP.
I have got the MiniDSP DDRC-24. Not cheap, but really worth it. Not sure the phase correction change a lot of things in a small room, but Dirac correction made a bigger sweet spot. Plus I have presets depending on my location : in front of the desk, couch or dining table.
Also bonus with an external dsp, is that I can use it both for my PC and my console.
Thanks for that. I never tried Equalizer APO since I'm on a Mac. The equivalent is AuLab.
Dirac is pretty awesome. So user-friendly but powerful.
This is EXPONENTIALLY better than old school analog eq's. I cringed when I saw a cheap eq in a system set up to "Smiley face" . The cheap eq, is a series of cheap resistors and junk components that pollute the sound by themselves. I had one for a time due to dorm room life. I found the only way to get them in the ballpark was pink noise analysis, not by some "U" shape on the controls. EQ in the digital realm doesn't mangle the sound like the analog versions did. After all that? people tend to boost treble and bass anyway.
Hi I am from.trinidad going and buy Dayton audio dsp 408 to put in my car .looking for more videos . Great job .✌
Lotta work. Thank you.
7:42 😂😂 great video man!
Thank you sir! Good talking the other day!
Joe N Tell for sure!
Very useful video. Thanks.
Many thanks for the video. I could atleast start with my minidsp and REW
Thanks, that was well done. Very educational.
You're welcome
@@joentell Cool, that just earned a SUBSCRIBE.
I myself prefer variable smoothing. It keeps a lot of the low-end peaks and valleys, while not going crazy on the highs which always change due to position anyway.
Then, instead of using individual filters, I export the impulse response as a WAV and use the convolution filter on EqualizerAPO, and use the Fruity Convolver in FL Studio. An impulse response has essentially unlimited filters, and the CPU usage is always the same.
I believe the MiniDSP supports FIR/Convolution filters as well.
So for HT DSP room correction is great, there are a ton of speakers and two subs to equalize and integrate, the source is also digital so the only conversion is the D/A prior to amplification. My receivers use Audyssey multi-eq xt32. For 2 channel stereo I try to stay away from DSP. I’ve used ARC and the results where horrific. I’ve returned it and went with as pure a signal as I could avoiding unnecessary A/D-D/A. But that’s just me.
Same here. I use pure direct on my Denon and Marantz for 2 channel audio.
What if I need a dsp for 5 channels? My pioneer avh has 3 sets of rca’s...front, rear and single sub powered by 5ch amp. Can I somehow use the 408 still? Thanks.
Awesome video thank you very much for all the clear information I appreciate it!
I did have a question that doesn't seem like there's an option for in the software but I bought the Bluetooth USB adapter for it and it says you can stream music directly to the DSP and I'm basically eliminating my double din radio with a custom 3D printed dock for my Galaxy S10. now when you select your inputs is there an option to use the Bluetooth input or how does that work? Because I won't be using inputs 1 through 4 physically. I have the dayton audio 4x8 DSP by the way.
Very helpful, indeed - thank you sir!
You're welcome. Glad it was helpful.
Great video thnx .... got 1 question tho..... some people use RTA what is the difference and which should i use for car audio?
Hi Joe. Bit late to the party...but how do you hook source/DSP/amp/speakers. I am thinking of using miniDSP as an active crossover for a DIY 2-way speaker.
Thank you, I was wondering how to do that. 🙂
In addition to being on a boom/stand, should the mic be pointed at the ceiling?
You explained it very nice Joe, but I still cannot understand how to use REW and what to set my decibels to and my range and all of that. I need a tutorial on what those numbers mean and how to EQ my peaks or nulls assuming I do have some
Great video. Trying to get information on how is like going down a rabbit hole. I do have one question and hope you might help me with. I was thinking of integrating the DSP-408 into my home theater after ther receiver and before the speakers. The main question is does this method require the output to be amplified or can the speakers handle them without?
do you have a video using the mini DSP HD to calibrate multiple subs?
OMG THANK YOU!
Great video. I also routinely use dsp in my builds. Curious what you think about the minidsp vs. the HD version. I could not get enough voltage on the output of the minidsp to get good power from typical amp boards (i.e. without adjustable gain), so I had to go to the more expensive HD minidsp. Thoughts?
endall39 is’nt the MiniDSP output level switcheable between 0.9V and 2.0V?
How is the dayton audio dsp compared to my old behringer deq2496 or minidsp... is dayton audio dsp better clarity more open soundstage than my behringer... i wanna try something new... and was looking for the dayton audio
Many thanks!!!
Having this, will it override a DAC? Does this have an internal DAC? Im looking to add a sub and room correction but I do not want to have my current DAC be worthless.
Hi Joe. Always enjoy your vidoes thankis. I noticed your speakers 4:27 , 4:59 are against the wall and 'things' around them. Must be busy life. I understand you have to work with your room. If that is your pc/desktop setup, i think you'd be better served with small monitors and sub combo than pair of floorstanders.
I've had many setups here at this desk, and the Dayton MK442T floorstanding speakers sound awesome! Probably the best I've tried and I've had bookshelf speakers on stands that allowed me to pull the speakers away from the walls. Satellite systems aren't as cohesive as these unless I use DSP to help blend the sub.
😊 You think a sound bar would sound better than my existing setup?
I am using the 2x4 HD to DSP my subs in the HT, doing a 2.1 setup in the bedroom and curious what you thought about the MiniDSP 2x4 HD vs the 408 if you have used both.
I've used both. I usually recommend the MiniDSP just because you can import from REW
@@joentell A big bonus for sure. The software for the 408 looks awesome from what I have seen, cheaper, more outputs. Also I am pretty sure it has a higher output voltage so may work better with pro-amp integration.
I don't mind the Mini DSP price difference, what kills me is the absurd shipping cost.
I wanted to add the WiFi module at one point and even shipping that was 50% the cost.
Gotta admit the remote and Bluetooth app for the 408 is cool too.
Guess I'll think it over. Would make a good comparison video if I get some time to record.
Thanks for the feedback. Really hope they make MiniDSP 2x4 HD with balanced inputs some time soon.
@@ViciousXUSMC if you're in the US, check out Deer Creek Audio. Tell them I sent you. 😉
Said i have 2.1 speaker for music listening purpose, if u measure and adjust each speaker based on the REW separately, would it cause some freq cancellation or bump when all the speaker is playing at the same time? is it suitable to just measure the entire system as a whole and apply the target curve to each speaker ? would that make sense?
Hey man. Does this apply if you tune two speakers, connected in parallel, together? Do you than select L+R when you do the measurement? Or is there another way of doing this?
This is the first time I see someone measuring next to it's head. Interesting.
Hello i will try to keep this short, i have a denon x3600avr+5 channel amp powering a 5.2.4 setup, the 5 channel powers LCR (bi-amp with a rca y splitter L,R) and now i want to add a minidsp into my setup, is it better to add minidsp to crossover my biamp LR channels into low/high? or to crossover my 2 subs with my LR?
Hi how are you, Im interested in this tecnology ,help me please to understand, I don't have a dsp device,I do have a RME adi2 dac Wich allow me to implement eq, so if I measure the room and put the parameters in the RME I Will get the same result ? Or I still need the DSP ? Thank you so much
Quick question, how do you actually transfer the EQ settings/delays, etc. from the PC Software to the actual DSP unit?
I use the dayton DSP in my car and Uunderstand how to set it all up in that enviornment... I am confused though for in home. This is gonna sound liek a stupid question, but dont flog me:) So I have a Pioneer Elite sc-79. I am to run my mcacc on the pioneer at all if usinf the dayton? It sounds repetitive to do both. 2nd, I am confused on how this is used with the Pioneer as far as hook up. Would you run the left and right pre out into the dayton, run rew as you did and then the L/R out put on the dayton back into the input on the pioneer? Even then, if you change inputs, to say your BD player, then it now would be bypassing the dayton corrections? Sorry, but beginer means begineer....lol
Hi my car's original audio system has 10 speakers, each with it's own output channel on the amplifier with different frequencies.
Can I connect 2 of the speaker outputs (like the front left mid and front left tweeter) to one channel on the units high level input?
Thank you in advance.
it seems a lot of speakers even the old ones are using dsp like the jbl 305, though the recent elac Navis ARB-51 choose to not use a dsp what are your toughts ? do most use a dsp for only crossover or also for equalisation ? will you test the elac Navis ARB-51 ? thanks for your great videos.
I would like to test the Navis. I was given a personal demo the last time I visited ELAC HQ. They sounded pretty impressive.
I think there's a difference between a speaker using an active crossover versus using DSP to dynamically adjust based on the input. I personally think that a speaker that applies the latter, should give the option to bypass it.
For example, in my review of the Fluance Ai60's, I mentioned that they apply compression via DSP. This allows it to play louder without distortion, but it affects dynamic range. It's purpose is obvious because when you turn it up, it briefly plays the music for a split second without DSP until the DSP figures out what it needs to do. At loud volume you can hear some distortion for a split second after hitting the volume up button. The DSP quickly kicks in and adjusts the response to eliminate the distortion.
This is awesome! I'm gonna save some money and make active 3-way system with this. Any recommendations for an amplifier?
I have a 4way system with Beyma components driven by 3 Samson 120A amplifiers + DCX2496 and one passive filter. Sounds very good.
Hey Joe,I need your help.I'm about to setup Umik 1 and minidsp 2x2 for the first time.Can you please tell me what cables do I need for this.Thanks Chris
Thanks a lot.
First: Any suggestions for MAC users not using dual boot. So you are going analog from Computer to DSP to Amp? If you disconnect the DSP does it lose the settings? For an active system, that DSP seems like a worthy tool.
Look up AuLab
i was thinking of getting a mic for this purpose, but my thoughts where that i use my ears now and that's the target.
with a hifi on a desk connected with optical to dac then you can just install equalizer apo and get all eq done on the digital level before its processed. then i use a tone generator, i recommend the one with a slider, just move it with the mouse and eq apo can set any number of frequencies at any sharpness Q value. low pass high pass and probably lots more also.
you can show your results as graph, not much i need to do with the speakers i have tried in my room, mostly using it to get lower bass extension. have +8.5 db at 15hz.
You can do that. But as I mentioned, it is extra overhead on your CPU. I still would recommend getting a mic to get a visual on what's going on.
i would like to get a mic some day, looks good enough that one you linked, goes down to 18hz, should suffice :)
Micca M-8C 8 Inch Please do a review about Micca M-8C 2-Way In-Ceiling In-Wall Speaker
Thanks for the video. Very useful.
Does the microphone need recalibration over time, say once a year or so?
Possibly
Hi what is the brand and model of your sound card thanks
Hi i have awave dsp 46A, i have the software install but i cant detect the dsp, how do i do that? Do i need internet
Well presented! Do you manually import the data values because you can only run the REW software on a VM? Cheers
No, because there's no way to import on this device. You can on MiniDSP products
To what extent can room correction account for the low end mess caused by large monitors in a small room. I have a pair of large monitors with 8" woofers that can hit below 40Hz but they are often unwieldy in my bedroom. Would a calibrated Mic, REW, and a miniDSP HD be a good approach?
I would say 3db is safe, 6db max. Beyond that it changes the timbre in odd ways.
Can i use rew without a mini dsp or any other dsp hardware and just with my computer and my dac? I'd rather run it directly so there is no limitations, I'd rather not be limited to 96khz and i want a balanced connection. Can use this with foobar?
You can use REW to measure and a software parametric EQ.
Is this needed if my receiver has audssey or dirac live? Is it the same thing?
That's pretty much the same thing. This is just a way for you to do things manually. Those are automatic calibration methods.
Tks very good.
Excellent tutorial. How do you determine what target dB you want? Is it a measure of how loud you want to play?
Most people DONT listen at Reference level of 85 db so most use 75 db as the industry standard and what all the AVR and speaker mfgs tell you to use instead as its more comfortable. If you have a high tolerance for noise and dont mind ear damage use 85 db as that is what the studios use. You better have a LOT of power and good speakers and a forgiving partner :)
Joe, shouldnt you keep the grille covers ON during your measurements as thats how you will have them when in actual use? then grilles DO change the frequency response a bit Im sure......?
Just checking with you I was told that you do remote calibration for home audio need to know if you can help
Hi Joe. I have been watching all your videos over the last month or so, as I was looking to upgrade my stereo system. I ended up buying the Fluance Signature towers and center speaker. Also 2 SVS SB2000 Pro subs. I am happy with the sound, but I assume I have issues with phasing, placement ect. My Onkyo TX NR636 receiver has a mic and correction system. Do you know if it is any good to use? I don't think I could use a dsp on my system as I mostly stream music through spotify and RUclips. Would it be a good idea to buy the mic you used just to get an idea of where im at?
Thanks for all the help you've giving me already from your videos.
Try the room correction. You can check phase by reversing the polarity on one of the speakers and see if the bass gets louder or quieter. If it gets louder, it might be out of phase
@@joentell i think i might get a mic and see how it charts before doing the room correction. Thanks.
Hi, really enjoying your videos. I have a question about house curves. If you setup a house curve with miniDSP and then run Room Correction Software, wouldn't the Room Correction Software try to remove the house curve ?? How does it know that's the curve you want unless you set it in the Room Correction Software?
You should always run your house/target curve last