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I did some research and found out that a simple averaging over two channels is ineffective and basically outputs poor quality file. There should be some sort of a normalization, but I'm not completely sure about it. Basic python modules like wave or audioop don't seem to be doing the job.

What would you recommend for such a use-case? Any links or suggestions would be greatly appreciated

Simullacra
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    Seems to me that you could find a hint here: https://stackoverflow.com/questions/43056088/stereo-to-mono-wave-interpolation-in-python – Danny Apostolov Sep 19 '20 at 11:14
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    this walks through how the channels are interleaved https://stackoverflow.com/questions/49764773/how-is-audio-data-stored-in-raw-pcm-format/49837704#49837704 – Scott Stensland Sep 19 '20 at 12:03

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