AudioProcessing.py 文件源码

python
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项目:Poccala 作者: Byshx 项目源码 文件源码
def record(self,
               record_seconds,
               chunk=1024,
               format=pyaudio.paInt16,
               channels=2,
               rate=16000,
               output_path=None):
        stream = self.__pyaudio.open(format=format, channels=channels,
                                     rate=rate, input=True, frames_per_buffer=chunk)
        print('Recording ...')
        frames = []

        for i in range(0, int(rate / chunk * record_seconds)):
            data = stream.read(chunk)
            frames.append(data)
        '''??????'''
        frames.append(stream.read(rate * record_seconds - int(rate / chunk * record_seconds) * chunk))

        print('Done.')
        stream.stop_stream()
        stream.close()
        self.__pyaudio.terminate()

        '''????'''
        print('Saving ...')

        wav = wave.open(output_path, 'wb')
        wav.setnchannels(channels)
        wav.setsampwidth(self.__pyaudio.get_sample_size(format))
        wav.setframerate(rate)
        wav.writeframes(b''.join(frames))
        wav.close()

        print('Done.')
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