splitAudio.py 文件源码

def validateAudio(uploadedFilepath, extension):
    """ Ensures that the audio is ready for processing, which currently means:
        1. Only a single channel
            - required by Google Speech API
    """
    track = AudioSegment.from_file(uploadedFilepath, extension[1:])
    if track.channels != 1:
        raise AudioError("Google Speech API requires single-channel audio, "\
               "but you have %d channels in your audio." % (track.channels,))

    return None