Spectrum Analyzer for analyzing static WAV files

percy · 4th January 2008, 07:26 PM

what PC based spectrum analysis tools can accept an already recorded WAV file and generate a FFT ? Like RMAA - besides a 'dynamic' spectrum analyzer it will also allow to open an already recorded wav file and do spectrum analysis on it. Any others out there ?
VA (Visual Analyser) is good but it doesn't do existing wav files.

I have tried GoldWave but the problem with those 'audio editing' wares is that their FFT's look as if they were made for a kid in playschool, besides not having the resolution that a serious spectrum analyser should have.

Pjotr · 4th January 2008, 08:45 PM

Not free but pretty good:

http://www.dewresearch.com/fftp-main.html

Cheers

theAnonymous1 · 4th January 2008, 09:23 PM

I have this ancient program called WaveSpectra. I don't know if this is what you need or not; I just remembered that it can open .wav files and does FFT.

WaveSpectra Download

rdf · 4th January 2008, 09:26 PM

A new version of WaveSpectra is available, it's excellent.

theAnonymous1 · 4th January 2008, 09:44 PM

Quote:

Originally posted by rdf
A new version of WaveSpectra is available, it's excellent.

Indeed there is. Thanks, I didn't realize it was still in development.

http://www.ne.jp/asahi/fa/efu/soft/ws/WS140.ZIP

Pjotr · 4th January 2008, 09:45 PM

Quote:

Originally posted by rdf
A new version of WaveSpectra is available, it's excellent.

url?

I_Forgot · 4th January 2008, 10:09 PM

I think Audacity can do it.

I_F

error401 · 4th January 2008, 10:43 PM

If you run Linux, or are willing to work with a LiveCD, you might check out BaudLine. It's an incredibly powerful signal analysis tool, very accurate FFT with long-term averaging, spectrograms, and a lot more. I have fun just playing with it sometimes...

Zero Cool · 4th January 2008, 11:00 PM

Stienbergs wavelab can do FFT plots with great accuracy. I ahve used it many times to look at the spectra of a static wave file. it's not cheap. but you might be able to find an older version on eBay.

jcx · 5th January 2008, 01:23 AM

free SwCadIII - LtSpice can read .wav files to control BV or BI sources, can then use all wave analysis options on the .wav or its simmed performance driving circuits - fft allows millions of points, many types of window functions, smoothing filter, waveform arithmetic

http://www.diyaudio.com/forums/showt...45#post1061145

free SciLab is a MatLab work-alike that can read in .wav and do extreme numerical processing and plotting - default is 16bit wav, you need the xwave read/write .sci files on the contributions page of the website for 24 bit .wav

4th January 2008, 07:26 PM	#1
percy diyAudio Member Join Date: Apr 2004 Location: MN	Spectrum Analyzer for analyzing static WAV files what PC based spectrum analysis tools can accept an already recorded WAV file and generate a FFT ? Like RMAA - besides a 'dynamic' spectrum analyzer it will also allow to open an already recorded wav file and do spectrum analysis on it. Any others out there ? VA (Visual Analyser) is good but it doesn't do existing wav files. I have tried GoldWave but the problem with those 'audio editing' wares is that their FFT's look as if they were made for a kid in playschool, besides not having the resolution that a serious spectrum analyser should have.

4th January 2008, 09:23 PM	#3
theAnonymous1 diyAudio Member Join Date: Feb 2004 Location: Anonymityville	I have this ancient program called WaveSpectra. I don't know if this is what you need or not; I just remembered that it can open .wav files and does FFT. WaveSpectra Download __________________ "If you don't like funerals don't kick sand in Ninja's face." - Ninja

4th January 2008, 09:26 PM	#4
rdf diyAudio Member Join Date: Jun 2004 Location: big smoke	A new version of WaveSpectra is available, it's excellent. __________________ Ears aren't microphones.

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4th January 2008, 08:45 PM	#2
Pjotr diyAudio Member Join Date: Nov 2002 Location: Netherlands	Not free but pretty good: http://www.dewresearch.com/fftp-main.html Cheers

4th January 2008, 10:09 PM	#7
I_Forgot diyAudio Member Join Date: Jan 2005 Location: Phoenix, Az.	I think Audacity can do it. I_F

4th January 2008, 10:43 PM	#8
error401 diyAudio Member Join Date: Mar 2007	If you run Linux, or are willing to work with a LiveCD, you might check out BaudLine. It's an incredibly powerful signal analysis tool, very accurate FFT with long-term averaging, spectrograms, and a lot more. I have fun just playing with it sometimes...

4th January 2008, 11:00 PM	#9
Zero Cool Audio Junkie diyAudio Member Join Date: Sep 2004 Location: MN	Stienbergs wavelab can do FFT plots with great accuracy. I ahve used it many times to look at the spectra of a static wave file. it's not cheap. but you might be able to find an older version on eBay.

5th January 2008, 01:23 AM	#10
jcx diyAudio Member Join Date: Feb 2003 Location: ..	free SwCadIII - LtSpice can read .wav files to control BV or BI sources, can then use all wave analysis options on the .wav or its simmed performance driving circuits - fft allows millions of points, many types of window functions, smoothing filter, waveform arithmetic http://www.diyaudio.com/forums/showt...45#post1061145 free SciLab is a MatLab work-alike that can read in .wav and do extreme numerical processing and plotting - default is 16bit wav, you need the xwave read/write .sci files on the contributions page of the website for 24 bit .wav

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