forvo-trim

#!/usr/bin/env python3.10

# trim noise from forvo audio files
# experiment with treshold (in db) as needed

import sys

from pydub import AudioSegment
from pydub.silence import split_on_silence

if not 2 <= len(sys.argv) <= 3:
    sys.exit("usage: forvo-trim FILE [TRESHOLD]")

input_file = sys.argv[1]
tresh = float(sys.argv[2]) if len(sys.argv) > 2 else -33

audio = AudioSegment.from_file(input_file)
chunks = split_on_silence(audio,
                          silence_thresh=tresh,
                          min_silence_len=150)

if not len(chunks):
    sys.exit("no audio chunk found")

chunks[0].export('trimmed_' + input_file, format='mp3')