audio_utils.py 文件源码

def mp3_to_wav(mp3_file):
    target = mp3_file.replace(".mp3", ".wav")
    if os.path.exists(mp3_file):
        voice = AudioSegment.from_mp3(mp3_file)
        voice.export(target, format="wav")
        return target
    else:
        print u"????"