pydub split_on_silence

main.py

from pydub import AudioSegment
from pydub.silence import split_on_silence
import glob
import os

mp3s = glob.glob("/media/dev/workspace/viewer/using-english/*_d_*.mp3")
mp3s.sort()


def split(mp3):
    def export(chunk, filename):
        chunk.export(
            filename,
            bitrate="128k",
            format="mp3"
        )
    basename = os.path.basename(mp3)
    song = AudioSegment.from_mp3(mp3)
    dBFS = song.dBFS
    chunks = split_on_silence(
        song,
        min_silence_len=550,
        silence_thresh=dBFS-32,
        keep_silence=True
    )
    # if len(chunks) != 2:
    #    raise Exception('too many segments')
    export(chunks[0], basename.replace(".mp3", "_d.mp3"))
    audio_chunk = chunks[1]
    for i, chunk in enumerate(chunks):
        if i > 1:
            audio_chunk += chunk[i]
    export(audio_chunk, basename.replace(".mp3", "_e.mp3"))


for mp3 in mp3s:
    print(mp3)
    split(mp3)