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Old 28th January 2012, 07:26 PM   #1
qa9b is offline qa9b  United States
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Default Software to analyze and equalize frequency response of entire sound system?

Hi all,

This is probably a noob question, but does software exist that can say, play a frequency sweep through my speakers, capture the result through a microphone, then analyze the SPL vs. frequency response of my entire sound system?

It seems to me this would be a very useful tool to determine the settings for a software EQ to ensure that the entire amp/speaker system produces an even response. Of course, its accuracy would depend on the microphone quality.

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Old 28th January 2012, 07:52 PM   #2
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Join Date: Oct 2001
Location: Victoria, BC, NA, Sol III
Blog Entries: 5
Yes. Now built onto most HT receivers...MultEQ from Audyssey - Balanced Sound - Automatically Customizes Home Theater System | Audyssey

Don't know if you can get it stand-alone.

There are other devices as well.

And this one is free REW - Room EQ Wizard Home Page

community sites,, ........ commercial site planet10-HiFi
p10-hifi forum here at diyA
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Old 16th February 2012, 12:06 AM   #3
tvrgeek is offline tvrgeek  United States
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Ultimate Equalizer. Put out by the gentleman who gave us Sound Easy.
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Old 21st February 2012, 05:59 PM   #4
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Location: Jackson,michigan
Yes,I use,RewV5 as well it is a great program !

I also use,

HOLM Acoustics

Virtual analyzer 2011,

Visual Analyser 2011 XE

True Audio,

TrueRTA Audio Spectrum Analyzer Software

Audacity is very useful,

Audacity: Free Audio Editor and Recorder

Wavespectra 1.4E,the link is some where in these threads.
It is an old progarm so it is difficult to find.
But its FFT and scope displays work great but it is only 16 bit I believe.
It has always worked flawless for me.

here is a bunch more,

Spectrum - Software: Spectrum analyzers

The ones that I had mentioned are free.
There are many free VST types that I use as well should you decide to go that route all working realtime.

I also recently descovered this one as well just last night and it is an awesome program!



I use all of these and are the main ones that I use.
Each has it's own good and bad points but they all work good and produce the same data consistently between them.

enjoy !!!


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Old 21st February 2012, 06:07 PM   #5
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Location: Jackson,michigan
Here is the link to Wavespectra and it has been updated to version 1.5,

A note about ARTA audio analysis software


P.S. I just tried this new version and it works great with my Gina24 card with an ASIO driver in 24 bit 96Khz mode, Sweet !!!!

Last edited by geraldfryjr; 21st February 2012 at 06:21 PM.
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Old 29th February 2012, 11:01 AM   #6
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Acourate. 30-day free trial available.

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