check out baudline http://www.baudline.com/ ric On Thu, 9 Sep 2004 17:51:32 -0400 Paul Winkler <pw_lists@xxxxxxxxxx> 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
