[linux-audio-user] Analysis software?

Richard hebertrich at earthlink.net
Thu Sep 9 15:12:29 EDT 2004

check out baudline


On Thu, 9 Sep 2004 17:51:32 -0400
Paul Winkler <pw_lists at slinkp.com> wrote:

> Hi folks,
> I'm looking for something that can take soundfiles
> and display various analyses of them. Any recommendations?
> Something very much like what you can get with Spectralab, for example
> these plots:
> http://www.pcavtech.com/soundcards/ht1869/index.htm
> ... but free software and working on linux :-]
> Basically the main thing I need is a good display of 
> log frequency vs. dB amplitude, averaged over the whole file,
> useful for e.g. getting a frequency response from a swept sine wave
> or white noise.
> Other analyses that would be handy at various times:
> signal to noise ratio and total harmonic distortion
> given a known input.
> Also really nice would be a clearly labelled sonogram
> showing log frequency against time.
> So far I've been using snd, which has a decent sonogram but kinda falls
> down on readability: e.g. it doesn't display the actual frequencies of
> the scale if you select log frequency, it's just 0 to 1.0 so I have
> to guess, or click on a part of the graph to find out about that
> particular spot.
> -- 
> Paul Winkler
> http://www.slinkp.com

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