python/util/audio_util.py

import sys
# print('argv[1]:' + str(sys.argv[1]))
import os
from pydub import AudioSegment


def audio_to_wav(wav_uri, out_sample_rate=16000):
    src = wav_uri
    dst = wav_uri + ".wav"
    if os.path.exists(dst): os.remove(dst)

    # convert wav to mp3
    sound = AudioSegment.from_file(src)
    sound = sound.set_frame_rate(out_sample_rate)
    sound.export(dst, format="wav")

    print(' audio_to_wav: ', str(dst))
    return dst

# sys.argv
# if len(sys.argv) > 2:
#     res = audio_to_wav(sys.argv[1], int(sys.argv[2]))
# else:
#     print(' usage: python audio_util.py /path/to/audio_file [out_sample_rate] ')