record.py 文件源码

def recode(self):
        pa=PyAudio()
        stream=pa.open(format=paInt16,channels=1,rate=self.SAMPLES_RATE,input=True,frames_per_buffer=self.NUM_SAMPLES)
        save_count=0
        save_buffer=[]
        time_count=self.TIME_COUNT
        print '\n\n\n??????????????'
        while True:
            time_count-=1
            string_audio_data=stream.read(self.NUM_SAMPLES)
            audio_data=numpy.fromstring(string_audio_data,dtype=numpy.short)
            large_sample_count=numpy.sum(audio_data>self.LEVEL)
            print(numpy.max(audio_data))
            if large_sample_count>self.COUNT_NUM:
                save_count=self.SAVE_LENGTH
            else:
                save_count-=1
            if save_count<0:
                save_count=0
            if save_count>0:
                save_buffer.append(string_audio_data)
            else:
                if len(save_buffer):
                    self.Voice_String=save_buffer
                    save_buffer=[]
                    print '????????'
                    return True
            if not time_count:
                if len(save_buffer):
                    self.Voice_String=save_buffer
                    save_buffer=[]
                    print '????????'
                    return True
                else:
                    return False