average_bitrate.py

average_bitrate.py

import audioread as ar
import os

rootdir = '.'
audio_file_formats = ['wav', 'mp3', 'm4a']

for root, subdirs, files in os.walk(rootdir):
    for filename in files:
        if filename[-3:] in audio_file_formats:
            filepath = os.path.join(root, filename)
            size = os.stat(filepath).st_size
            with ar.audio_open(filepath) as f:
                bitrate = round(size*8./1024./f.duration)
                if bitrate < 200:
                    print(f'{bitrate} {filepath}')