from converter import Converter
import os
c = Converter()
clip = 'clip.avi'
conv = c.convert(clip, 'audio.mp3', {'format': 'mp3', 'audio': {'codec':
    'mp3', 'bitrate': '22050', 'channels': 1}})
for timecode in conv:
    pass
os.system('mpg123 -w audio.wav audio.mp3')
Python extract wav from video file