Switch from FFmpeg LUFS to using pyloudnorm.

justinsalamon / scaper

A library for soundscape synthesis and augmentation

BSD 3-Clause "New" or "Revised" License

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Switch from FFmpeg LUFS to using pyloudnorm. #130

Closed pseeth closed 4 years ago

pseeth commented 4 years ago

This PR switches from using FFmpeg LUFS to using pyloudnorm instead. The two loudness implementations are comparable but differ a tiny bit, so regression data needs to be updated. This PR speeds up Scaper quite a bit.