Convert Stereo to Mono

convert_stereo_mono.py

import os
from pydub import AudioSegment

DIRECTORY = './your_directory'
LIST_DIR = os.listdir(DIRECTORY)

for filename in sorted(LIST_DIR):
    if filename.endswith('.wav'):
        sound = AudioSegment.from_wav(DIRECTORY + "/" + filename)
        sound = sound.set_channels(1)
        namesplit = filename.split('_')
        newName = namesplit[0] + '_mono_' + namesplit[1]
        sound.export(newName, format="wav")