prepare_data.py 文件源码

def read_wav(wavfile):
    '''
    read a wav file formatted by kaldi

    Args:
        wavfile: a pair containing eiher the filaname or the command to read the
            wavfile and a boolean that determines if its a name or a command
    '''

    if wavfile[1]:
        #read the audio file and temporarily copy it to tmp (and duplicate, I
        #don't know how to avoid this)
        os.system(wavfile[0] + ' tee tmp.wav > duplicate.wav')
        #read the created wav file
        (rate, utterance) = wav.read('tmp.wav')
        #delete the create file
        os.remove('tmp.wav')
        os.remove('duplicate.wav')
    else:
        (rate, utterance) = wav.read(wavfile[0])

    return rate, utterance