Python录制麦克风声音

安装库

直接用pip安装的pyaudio不支持3.7，所以在安装或import的时候会报错。 所以直接下载whl文件安装即可。

whl下载地址：https://github.com/intxcc/pyaudio_portaudio/releases

切换到whl文件所在目录，直接用pip安装 cd C:\Users\maxin\Downloads

pip install PyAudio-0.2.11-cp37-cp37m-win_amd64.whl

Looking in indexes: https://pypi.doubanio.com/simple/
Processing c:\users\maxin\downloads\pyaudio-0.2.11-cp37-cp37m-win_amd64.whl
Installing collected packages: PyAudio
Successfully installed PyAudio-0.2.11

原文链接：https://blog.csdn.net/a506681571/article/details/85201279

录制声音

# pyrec.py 文件内容
import pyaudio
import wave

CHUNK = 1024
FORMAT = pyaudio.paInt16
CHANNELS = 2
RATE = 16000
RECORD_SECONDS = 5

def rec(file_name):
    p = pyaudio.PyAudio()

    stream = p.open(format=FORMAT,
                    channels=CHANNELS,
                    rate=RATE,
                    input=True,
                    frames_per_buffer=CHUNK)

    print("开始录音,请说话......")

    frames = []

    for i in range(0, int(RATE / CHUNK * RECORD_SECONDS)):
        data = stream.read(CHUNK)
        frames.append(data)

    print("录音结束,请闭嘴!")

    stream.stop_stream()
    stream.close()
    p.terminate()

    wf = wave.open(file_name, 'wb')
    wf.setnchannels(CHANNELS)
    wf.setsampwidth(p.get_sample_size(FORMAT))
    wf.setframerate(RATE)
    wf.writeframes(b''.join(frames))
    wf.close()

if __name__ == '__main__':
    rec('voice.wav')