Basically, when an audio file is WAV with subtype MS_ADPCM, the shape of the numpy array we write to disk and the shape of the numpy array we read back from disk are not the same.
This python 3 script takes the supplied 16bit 48Ksps audio mono WAV file and creates a further 15 versions, each with a reduced number of sampled bits from 15 through to 1. The purpose is to ...