makewav.py 文件源码

def main():
    outdir = 'mix'
    if not os.path.exists(outdir):
        os.makedirs(outdir)
    audio_total1, sr = librosa.load('./cao.wav', sr=sample_rate, mono=True)
    audio_total2, sr = librosa.load('./huang.wav', sr=sample_rate, mono=True)

    seglen = int(sav_n_secs * sr)

    len1 = audio_total1.shape[0] - seglen
    len2 = audio_total2.shape[0] - seglen

    for i in range(train_data_num):
      if i % 100 == 0:
        print(i)
      idx1=random.randint(0, len1)
      idx2=random.randint(0, len2)
      mix(audio_total1[idx1:idx1+seglen], audio_total2[idx2:idx2+seglen], sample_rate, sav_n_secs,outdir,i)