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I am trying to run an audio to spectrogram script, namely: https://github.com/grrrr/nsgt/tree/master/examples When I try python spectrogram.py myaudio.wav I get the error:

Traceback (most recent call last):  
File "spectrogram.py", line 111, in <module>  
coefs = assemble_coeffs(c, ncoefs)  
File "spectrogram.py", line 27, in assemble_coeffs  
out = np.empty((ncoefs,cq0.shape[1],cq0.shape[2]), dtype=cq0.dtype)  
IndexError: tuple index out of range

Am I doing something wrong? Please advise! :)

Curiousmarble
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1 Answers1

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you can run it with just the argument --matrixform added.

I suggest you to see this issue! from the github project it can help you

Walid Sliti
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  • Hmm, it seems to not do anything at all...nothing happens. I've also tried with --scale=log as well, but that gives me the same tuple error. This is with a small 5 second wav file. When I try longer wav files I get the different message: "format not usable" – Curiousmarble Feb 22 '19 at 07:32
  • Also to mention, I'm getting the message "nsgt.ftt is falling back to numpy.fft" not sure if that matters? – Curiousmarble Feb 22 '19 at 07:35
  • It finished for the 5 sec clip, but came with more errors: https://pastebin.com/DstvxxCB It also used 30% of my CPU. – Curiousmarble Feb 22 '19 at 08:41