segment.py 文件源码

def excerpt_segments(segments_df,inputfile,out_dir,mono):
    try:
        song = AudioSegment.from_wav(inputfile)
    except:
        return "ERROR: "+inputfile+" can't be found."
    start = float(segments_df[segments_df['Names']=="<START>"]['Instants'])
    end = float(segments_df[segments_df['Names']=="<END>"]['Instants'])
    start_msec = start * 1000.0
    end_msec = end * 1000
    clip_data = song[start_msec:end_msec]
    clip_pathname=out_dir+inputfile.split('/')[-1][:-4]+'_reading_excerpt'+'.wav'
    if mono==True:
        clip_data=clip_data.set_channels(1)
    clip_data.export(clip_pathname, format="wav", parameters=["-ar 48000", "-acodec pcm_s24le"])