FREE Acoustical Measurement Software: Room EQ Wizard (REW)
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- Опубликовано: 23 июл 2024
- Learn how to measure the frequency response using a free measurement software.
This video explains the process of measuring the frequency response of a room, a microphone, a speaker, or any other audio system. You'll learn what you need to make acoustical measurements and transfer function measurements of audio equipment.
Room EQ Wizard (REW) Measurement Software: www.roomeqwizard.com/
Acoustic Treatment (GIK Acoustics): geni.us/7kbrj
Free Acoustic Treatment Advice: geni.us/dI7O
SoundID Reference (USD): geni.us/ccq4se
SoundID Reference (EUR): geni.us/8HQW76
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0:00 - Introduction
0:37 - What Is a Transfer Function Measurement?
1:13 - List of What You Will Need
2:28 - Setting Up an Acoustical Measurement System (Room EQ Wizard)
4:13 - Limitations of Acoustical Measurements
6:00 - Measure Your Audio System
GEAR & SOFTWARE RECOMMENDATIONS:
Focusrite Scarlett 4i4 Audio Interface:
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Earthworks M23 Measurement Microphone:
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- Thomann: geni.us/g7I3
- Amazon: amzn.to/2OiHN3s
- Reverb: reverb.grsm.io/earthworks-m23
- Guitar Center: guitar-center.pxf.io/zan0Bx
- Musician's Friend: musicians-friend.pxf.io/WD290O
- B&H: bhpho.to/35PudtS
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Need help setting up your listening space? Check out this free resource I've created for you...
Speaker Placement Guide: audiouniversityonline.com/speaker-placement-guide/
Does this guide cover irregular shaped rooms, like a living room with a fireplace etc?
Honestly if someone would have told me as a kid about how wonderfully complex this is, I woulda gotten into learning about this much earlier in my life.
FINALLY... a video without frills that explains the full set up procedure if REM instead of basically dying "...plug things in & press click!" THANK YOU - subscribed.
I’m glad the video was helpful to you! Thanks for watching!
Thanks man, really takes the guessing out of where to place speakers in the room for better acoustic properties
Great video as always! Thanks a lot, Kyle!
Glad you enjoyed it! Thanks, Carle Roberge!
Thankyou Audio University for giving me a link to downliad REW...May God Bless You ❤
I don't know anything about measuring audio, and am wondering if REW can be used to analyze the voltage output from an accelerometer from 0 - 20khz? I want to characterize the natural frequencies for steel rods do to impact. Any help appreciated!
It's just a helpful information. Thanks a lot for the explanation!
Glad to help, Juan! Thanks for watching.
should I be concerned to calibrate soundcard IF I am merely trying to measure my rooms acoustics via REW ...
My goal is to mix with best stereo image in the room -and Ive treated the room well with Corning 703 panels.
Ive borrowed an ARC 2 mic, got the REW ware and it suggests to set a in/out loop to calibrate soundcard. I have an RME UFXII as prime
clock and source, which is (also my audio interface)..... So, do I need to skip soundcard step? Guess Im just lost on the routing chain...
Great video! ;)
Can I use the imm 6 microphone from Dayton audio with rew ? The imm 6 have a application that you load to calibration app to recognize the mic as well. I'm lost please help 😭
really great video !! clear concise and very easy to listen to, you have a very clear voice that is easy to listen to. Are you planning any more REW videos, that dig a little deeper into setting up? great work !!
Thanks! What would you like to see me cover in the future?
@@AudioUniversity more on REW from who understands sound would be amazing and would probably get a lot of views. Especially if you did separate videos
Thanks for this suggestion! Good idea!
What about calibration of sound card and knowing electrical values of cables etc.?
Very helpful thanks 👍👍👍
Glad it helped! Thanks for watching!
Will this procedure work to test/check the frequency response of a home stereo integrated amp?
Can I plug my microphone into my pc and use my external DAC for the same measurement?
Thank you, Sir, i have became ur fan, 😇🙏🌺
Trying to use REW and all I have is my macbook, a basic mic that came with my NAD to use Dirac. Otherwise I have an old blue yeti and more recently the mix pre 6 II and the sennheiser mkh 416 for voice recording. Can some of these devices be used so that I don’t have to buy a new mic to use REW to test my living room sound system? Thanks for the great video!
Any omnidirectional XLR microphone with a relatively flat frequency response will do! Really - any microphone will work for experimentation and some tests. You just need to remember to factor the microphone's frequency response into the equation...
I'm looking, without success, for a software that allows me to equalize the outputs of my 7.1 sound card independently, can someone point me to one?
can I use a mixer (not audio interface) ? how to measure if I have many speakers on different places ? I mean two row speakers on big room.
Thank you.
I watched several instructional videos on this channel That helped me solving some situations.. definitely.
And today I found that I didn’t subscribed yet without any particular reason .. so now it’s done .. thank you for the valuable knowledge...
in this case what is your Testing System ?
can u elaborate where is your input output connecting actually ...
Thanks for the good information! Also subscribed.
One question on which I would appreciate your help: is the headphone output quality on gen 3 and gen 4 interfaces the same? What interface would you recommend for the best output quality for a 300 ohms headphone? Thanks a lot!
Can use YAPO instead of USB microphone. If yes than how to use it
What cable plug type is used for audio interface shared XLR socket for 'line in'? Is it 3.5mm mono?
The combo input jacks commonly found on audio interfaces is XLR and 1/4-inch TRS.
@@AudioUniversity Thanks
Hey man,
Is this any good for testing live sound systems, as a Smaart replacement?
I heard about this software yesterday from Michael Curtis: opensoundmeter.com/en/
Check out his channel here: ruclips.net/user/MichaelCurtis_audio
You say that you have to connect the output of the SUT to input 1. But if I'm testing headphones I don't have an input and an output jack, just plug into whatever i wanna hear. I don't know how to move on from this step
To test headphones, you’ll need a microphone that captures the output of the headphones. That microphone will connect to input 1.
@@AudioUniversity ohhh I was confused. I have a condenser mic that’s powered at 48 phantom so I should be fine. Thanks!
I downloaded the Monitors placement and … I saw the sub putted on the left .. almost under the left monitor .. don’t have a sub but thought for a long time that’s the best placement is in the center which sounds logical .. any explanations please ??
Theoretically the center would be superior. But so long as the system is properly phase aligned, that slight offset doesn’t make a large difference. As humans, we struggle to localize the origin of low frequencies as effectively as higher frequencies.
@@AudioUniversity got it ..thank you
Please, I will like to know if REW can be used for room tuning in large system setup like churches in the absence of paid software like SMAART
One of the best features of Smart is the phase scope for aligning sections of the PA system. I’m not sure if REW has a live phase graph like that.
@@AudioUniversity If you're looking for a free software to use that functions as a two-channel analyzer like SMAART, I'd go with Open Sound Meter. It's technically "donation-ware", but you can download and run the full version for free. Then if you like it and use it I'd consider donating to the developer.
Thanks, Michael!
How to connect umik-1 usb with focusrite?
I don’t believe you can connect it to the Focusrite (or any audio interface). I prefer to use an XLR mic for this reason.
You will probably need to select the mic instead of the audio interface, but I expect that might eliminate the possibility of a reference signal.
You skipped over calibrating REW SPL reading with your own SPL reading, REW says this is first thing you need to do.
That is not required.
Great
Thanks, Nanayaw Asamoah-Afriyie! I'm glad you enjoyed the video!
Hey @AudioUniversity,
One quick question once we got the txt file after adding the eq settings on the speaker how are we gonna update on the audio interface for example here you are using focusrite so l’età say if we want to sound with the updated equipment filters what we have to do?
That profile isn’t loaded into the Focusrite interface. It requires a software like Sonarworks or some other processor in the signal chain.
I like mick 2 on all occasions.
💖
Where is discrption
In the section below the video.
What do you mean by an audio interface and how is it connected to your computer? Why is your audio interface made up of two devices or is it one device where you are showing front and rear? Can the microphone be connected to the computer? Sorry for being so dense but so far the explanation makes no sense. I have an amp with no microphone input but it does have pre amp line in and out, a computer, and I wish to measure the frequency response of my speakers.
This video might be helpful: ruclips.net/video/u_qCh3TIk8w/видео.htmlsi=Ipnc18bzdXZ8OW8S
@@AudioUniversity Many thanks - hope this helps me out.
Old school adc soundshaper 2
Remember kids, you can tune a piano but you can't tune a fish.
OK, I guess I need to get some actual "pro" equipment like this stuff then, starting with a computer it sounds like, because ALL that I currently have out of those 5 things listed is the speakers... Quite a few different pairs actually, ALL of which I've gotten at thrift stores for under about $20/pair.
I don't have any kind of computer, other than my cheap basic cellphone that I'm using to type this comment out, and I don't think that would work for using this type of software and stuff. I need more money!
I like that this software can be had for "free", (at least the basic, entry level version of it), but computers, good mics, and the interfaces needed for this are NOT free... Unless you get extremely lucky and just find them somewhere, like in a dumpster or something! (MAYBE, but VERY unlikely!)
REW might be free but that fancy little box costs $239.99
Is there any way to do it without the fancy red box?
You need some sort of audio interface and a measurement microphone.
Do you even know what an audio interface is?
@@AudioUniversity what about the imm-6 microphone from Dayton audio?
There’s cheaper interfaces
Free software (that requires $100 mic) lol