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In Reply to: RE: programs for testing speaker response posted by floydandrews on May 17, 2016 at 11:50:52
Some people really need ARTA and such complex sofwares. But for most of us, a a simple mobile-app. (like Audio Control from Mobile Tools) are good enough.
Itīs, free have RTA-, FFT- and SPL-feature. And als a signal generator with white- and pink-noice through the headphone plug.
After all, most acoustic measurements in home environment are quite rough anyway.
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I agree with you. I just want a basic setup for measuring frequency response in my room. The app from Audio Control looks like just what I have been looking for, but the cost of the USB microphone that Audio Control offers to work with it is a little steep. ($229) I will keep this in mind. Parts Express sells a Dayton Audio USB microphone that works with REW for $80, but the "getting started with REW" manual that I found on The Home Theater Shack website is 116 pages long! Yeesh! I am still looking, and will report back on what I decided to do.
Well, I use the cellphone microphone (not a computer) which I have level-calibrated using a friends pro-setup-mesuring system. But this is not needed for just seeing the curves.
And for the generator function I used a broken phone headset for the cellphone-plugg, a 5 meter shielded cable (twisted pair will do) and a RCA plugg (use two in parallell if you donīt have a stereo/mono-switch at the amp).
You could solder an external microphone to that phoneplugg to, but the cellphone mic will do the jobb.
The Audio Control has a free version of the app (without the phase mesturing feature) wich works fine.
The Picture in my previous post is the measure of my 200Hz Tricstrax horns by the way.
Oooooooh! You are a very clever person. I just downloaded the app onto my I-phone and in just a few minutes I had a graph using the pink noise track from the Stereophile test CD. 1/3 octave is plenty for what I want to do. Next step is to download it to my wife's I-pad so I can use the headphone out jack to an RCA cable. Thanks for pointing out this program!
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