adjust_volume.py 文件源码

def adjust_volume(in_fp):
    def adjust(volume):
        audio_p = audio + volume
        fn_p = fn + "_" + str(volume) +"db" + ".wav"
        fd = audio_p.export(path.join(out_dir, str(volume) + 'db', path.split(in_dir)[-1], fn_p), format=format)

    in_dir, fn = path.split(in_fp)
    fn, file_ext = path.splitext(fn)
    file_ext = file_ext.lower()
    format = file_ext.replace('.', '')
    # audio = None
    y, sr = librosa.load(in_fp, sr=44100)
    tmp_in_fp = "tmp/" + fn + "_tmp.wav"
    librosa.output.write_wav(tmp_in_fp, y, sr, norm=False)
    format = "wav"
    audio = aseg.from_file(tmp_in_fp, format)
    os.remove(tmp_in_fp)

    if audio != None:
        for v in volume_list:
            adjust(v)