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I am trying to obtain the pitch, the level, and other stuff from my microphone using Python. I am trying using pyaudio, but I read that I need to use other libraries to generate the maths. I can’t find how mix pyaudio with the math library.

Paul D. Waite
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Juan Manuel Mendez Villarreal
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  • Which math library are you trying to use? What exactly is going wrong? – tdammers Nov 02 '10 at 08:43
  • When you did this search, what did you find? http://stackoverflow.com/search?q=%5Bpython%5D+audio+processing – S.Lott Nov 02 '10 at 10:00
  • possible duplicate of [Good Sound processing/Analysis/Capturing Modules](http://stackoverflow.com/questions/519851/good-sound-processing-analysis-capturing-modules) – S.Lott Nov 02 '10 at 10:01

2 Answers2

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You can use the standard Python module audioop to determine the power/loudness of an audio sample, with the audioop.rms function.

John Wiseman
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I have performed basic signal processing (FFT etc) using numpy/scipy directly on the audio buffer without too much trouble. Be careful, you need to tell numpy about the buffer type: float or int, long or short, signed/unsigned ...

drxzcl
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