xsound.py 文件源码

def record(self):

        '''
        time.sleep(1)
        args = ['arecord', '-d', '5', self.voicefile]
        proc = subprocess.Popen(args)
        time.sleep(5)
        '''

        FORMAT = pyaudio.paInt16
        CHANNELS = 2
        RATE = 44100
        CHUNK = 1024
        RECORD_SECONDS = 5
        WAVE_OUTPUT_FILENAME = self.voicefile

        audio = pyaudio.PyAudio()

        # start Recording
        stream = audio.open(format=FORMAT, channels=CHANNELS,
                        rate=RATE, input=True,
                        frames_per_buffer=CHUNK)
        print "recording..."
        frames = []

        threshold = 1000
        for i in range(0, int(RATE / CHUNK * RECORD_SECONDS)):
            data = stream.read(CHUNK)
            rms = audioop.rms(data,2)
            if rms > threshold:
                print "I am hearing you now"
            frames.append(data)
        print "finished recording"

        # stop Recording
        stream.stop_stream()
        stream.close()
        audio.terminate()

        waveFile = wave.open(WAVE_OUTPUT_FILENAME, 'wb')
        waveFile.setnchannels(CHANNELS)
        waveFile.setsampwidth(audio.get_sample_size(FORMAT))
        waveFile.setframerate(RATE)
        waveFile.writeframes(b''.join(frames))
        waveFile.close()