Define a reliable testing strategy

[peterforgacs]

Resources:

• https://video.stackexchange.com/questions/22345/comparing-audio-waveform-in-a-visual-and-or-numeric-way
• https://superuser.com/questions/531778/how-to-compare-two-lossless-audio-files
• https://github.com/clee704/audiodiff/blob/master/audiodiff/__init__.py#L62
• https://www.wikiwand.com/en/Acoustic_fingerprint
• https://github.com/timmartin/libfooid