30 May
2016
30 May
'16
7:02 p.m.
Hi list,
I am trying to render a spectrogram from a soundfile as I would do using
the SoX spectrogram effect, or sndfile-spectrogram from sndfile-tools
but with a logarithmic frequency axis. It is alright if the analysis
remains linear, but the plotting should be done in log. Is there any
solution that can be used on a shell without gui, and that is slightly
less work than writing it in Octave?
Thank you for all recommendations!
best, Peter
30 May
30 May
11:32 p.m.
Peter P., May 30 2016:
...
Is there any
solution that can be used on a shell without gui, and that is slightly
less work than writing it in Octave?
My first suggestion would have been octave
with its audio processing packages. But csound can do graphic outputs as well, rendered to
PS and/or PDF IIRC. I'm pretty sure that other synths of Csound's power can do
likewise.
If it doesn't have to be commandline, have you had a look at Fons Adriaensen's
tools? I know that there are some good analysis tools. Perhaps one of them can do the
trick? Since they're graphic, I never investigated them though.
Good luck and sorry for the limited info...
Ta-ta
----
Ffanci
* Homepage: https://freeshell.de/~silvain
* Twitter: http://twitter.com/ffanci_silvain
* GitHub: https://github.com/fsilvain
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