audio_recorder.py 文件源码

def start_recording(self):
        # Use a stream with a callback in non-blocking mode
        self._stream = self._pa.open(format=pyaudio.paInt16,
                                        channels=self.channels,
                                        rate=self.rate,
                                        input=True,
                                        frames_per_buffer=self.frames_per_buffer,
                                        stream_callback=self.get_callback())
        self._stream.start_stream()
        return self