标签：__ 09 file pcm wav wavfile
wav2pcm
import numpy as np
def wav2pcm(wav_file, pcm_file, data_type=np.int16):
f = open(wav_file, "rb")
f.seek(0)
f.read(44)
data = np.fromfile(f, dtype=data_type)
data.tofile(pcm_file)
if __name__ == '__main__':
wav2pcm(r"C:\Users\pc\Desktop\vin_2022-09-09-17-00-55_oms_merge.wav",
r"C:\Users\pc\Desktop\vin_2022-09-09-17-00-55_oms_merge.pcm")
pcm2wav
import wave
def pcm2wav(pcm_file, wav_file, channels=1, bits=16, sample_rate=16000):
pcmf = open(pcm_file, 'rb')
pcmdata = pcmf.read()
pcmf.close()
if bits % 8 != 0:
raise ValueError("bits % 8 must == 0. now bits:" + str(bits))
wavfile = wave.open(wav_file, 'wb')
wavfile.setnchannels(channels)
wavfile.setsampwidth(bits // 8)
wavfile.setframerate(sample_rate)
wavfile.writeframes(pcmdata)
wavfile.close()
if __name__ == '__main__':
pcm2wav(r"C:\Users\pc\Desktop\vin_2022-09-09-17-00-55_oms_merge_rnnoise.pcm",
r"C:\Users\pc\Desktop\test.wav")
标签：__,
09,
file,
pcm,
wav,
wavfile
From： https://www.cnblogs.com/yunhgu/p/17000235.html