kdllib.py 文件源码

def fetch_sample_speech_ono(n_samples=None):
    datapath = os.path.join("ono_wav", "*wav")
    wav_names = glob.glob(datapath)
    wav_names = [w for w in wav_names
                 if "EKENWAY" in w]
    wav_names = [w for w in wav_names
                 if "PAIN" in w]

    speech = []
    logger.info("Loading speech files...")
    for wav_name in wav_names[:n_samples]:
        fs, bitw, d = readwav(wav_name)
        # 24 bit but only 16 used???
        d = d.astype('float32') / (2 ** 15)
        d = sg.decimate(d, 6, ftype="fir")[::6]
        # decimate to 8k
        fs = 8000
        speech.append(d)
    return fs, speech, wav_names