audio.py 文件源码

def get_length(filename):
    """
    Get the length of an audio file suitable for use in playback()
    :param filename: Location of audio file
    :return: length of file in seconds
    """
    file_name, file_extension = os.path.splitext(filename)
    audio = AudioSegment.from_file(filename, file_extension[1:])
    return float(len(audio)) / 1000