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Python wave.open_audio函数代码示例

原作者: [db:作者] 来自: [db:来源] 收藏 邀请

本文整理汇总了Python中wave.open_audio函数的典型用法代码示例。如果您正苦于以下问题:Python open_audio函数的具体用法?Python open_audio怎么用?Python open_audio使用的例子?那么恭喜您, 这里精选的函数代码示例或许可以为您提供帮助。



在下文中一共展示了open_audio函数的15个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于我们的系统推荐出更棒的Python代码示例。

示例1: routeListen

    def routeListen(self, THRESHOLD=None, MUSIC=False):
        """
            Records until a second of silence or times out after 12 seconds
        """

        AUDIO_FILE = "location.wav"
        RATE = 16000
        CHUNK = 1024
        LISTEN_TIME = 12

        
        # check if no threshold provided
        if THRESHOLD == None:
            THRESHOLD = self.fetchThreshold()

        self.speaker.play("../static/audio/beep_hi.wav")

        # prepare recording stream
        audio = pyaudio.PyAudio()
        stream = audio.open(format=pyaudio.paInt16,
                            channels=1,
                            rate=RATE,
                            input=True,
                            frames_per_buffer=CHUNK)

        frames = []
        # increasing the range # results in longer pause after command generation
        lastN = [THRESHOLD * 1.2 for i in range(30)]

        for i in range(0, RATE / CHUNK * LISTEN_TIME):
            try:
                data = stream.read(CHUNK)
            except:
                pass
                
            frames.append(data)
            score = self.getScore(data)
            lastN.pop(0)
            lastN.append(score)

            average = sum(lastN) / float(len(lastN))

            # TODO: 0.8 should not be a MAGIC NUMBER!
            if average < THRESHOLD * 0.8:
                break
 
        self.speaker.play("../static/audio/beep_lo.wav")

        # save the audio data
        stream.stop_stream()
        stream.close()
        audio.terminate()
        write_frames = open_audio(AUDIO_FILE, 'wb')
        write_frames.setnchannels(1)
        write_frames.setsampwidth(audio.get_sample_size(pyaudio.paInt16))
        write_frames.setframerate(RATE)
        write_frames.writeframes(''.join(frames))
        write_frames.close()

        return self.active_stt_engine.transcribe(AUDIO_FILE, MUSIC=MUSIC, ROUTE=True)
开发者ID:easyNav,项目名称:easyNav-Voice-deprecated-,代码行数:60,代码来源:mic.py


示例2: record

 def record(self, time):
     audio = PyAudio()
     stream = audio.open(input_device_index=self.device_index,
                         output_device_index=self.device_index,
                         format=self.format,
                         channels=self.channel,
                         rate=self.rate,
                         input=True,
                         frames_per_buffer=self.chunk
                         )
     print "Recording..."
     frames = []
     for i in range(0, self.rate / self.chunk * time):
         data = stream.read(self.chunk)
         frames.append(data)
     stream.stop_stream()
     print "Recording Complete"
     stream.close()
     audio.terminate()
     write_frames = open_audio(self.file, 'wb')
     write_frames.setnchannels(self.channel)
     write_frames.setsampwidth(audio.get_sample_size(self.format))
     write_frames.setframerate(self.rate)
     write_frames.writeframes(''.join(frames))
     write_frames.close()
     self.convert()
开发者ID:AnanthaRajuC,项目名称:homecontrol,代码行数:26,代码来源:pygsr.py


示例3: save_audio

 def save_audio(self, fp, frames):
     sample_width = pyaudio.get_sample_size(self.format)
     f = open_audio(fp, 'wb')
     f.setsampwidth(sample_width)
     f.setframerate(self.rate)
     f.setnchannels(1)
     f.writeframes(''.join(frames))
     f.close()
开发者ID:brunoChr,项目名称:jasper-client,代码行数:8,代码来源:mic.py


示例4: input_speech_passive_listen

 def input_speech_passive_listen(self, conf):
     """
     Listens and times out after conf['input_speech']['passive_listen_time'].
     """
     self._info('Starting Passive Listen')
     self.input_speech_get_threshold(conf)
     passive_listen_time = conf['input_speech']['passive_listen_time']
     rate = conf['input_speech']['rate']
     chunk = conf['input_speech']['chunk']
     threshold = conf['input_speech']['threshold']
     frames = []
     sound_heard = False
     # start passively listening for disturbance above threshold
     for i in range(0, rate / chunk * passive_listen_time):
         self.data = self.stream.read(chunk)
         frames.append(self.data)
         self.input_speech_get_score(conf)
         score = conf['input_speech']['score']
         if score > threshold:
             sound_heard = True
             self._info('Heard Something')
             # Not sure about invoking mid-sound
             #self.invoke('input_speech_passive_sound_heard')
             break
     if not sound_heard:
         self.invoke('input_speech_passive_no_sound_heard')
         self._info('No Sound Heard During Passive Listen')
         return
     # Cut off any recording before the sound was heard
     frames = frames[-20:]
     # Keep recording for a bit and save the file
     delay_multiplier = conf['input_speech']['delay_multiplier']
     self._info('Listening...')
     for i in range(0, rate / chunk * delay_multiplier):
         self.data = self.stream.read(chunk)
         frames.append(self.data)
     # Save the audio data
     self.stream.stop_stream()
     self.stream.close()
     self.audio.terminate()
     write_frames = open_audio(conf['input_speech']['audio_file'], 'wb')
     write_frames.setnchannels(1)
     write_frames.setsampwidth(self.audio.get_sample_size(pyaudio.paInt16))
     write_frames.setframerate(rate)
     write_frames.writeframes(''.join(frames))
     write_frames.close()
     # Transcribe
     self.input_speech_transcribe(conf)
开发者ID:edouardpoitras,项目名称:Eva,代码行数:48,代码来源:input_speech.py


示例5: transcribe

    def transcribe(self, audio_file_path, PERSONA_ONLY=False, MUSIC=False):
        """
        Performs STT via the Google Speech API, transcribing an audio file and returning an English
        string.

        Arguments:
        audio_file_path -- the path to the .wav file to be transcribed
        """
        url = "https://www.google.com/speech-api/v2/recognize?output=json&client=chromium&key=%s&lang=%s&maxresults=6&pfilter=2" % (
            self.api_key, "pl-PL")
        
        wav = open(audio_file_path, 'rb')
        data = wav.read()
        wav.close()
        f = open_audio(audio_file_path, 'r')
        frame_rate = f.getframerate()
        f.close()

        try:
            req = urllib2.Request(
                url,
                data=data,
                headers={
                    'Content-type': 'audio/l16; rate=%s' % str(frame_rate)})
            self.logger.debug("google speech api url: %s   frame rate: %d" % (url, frame_rate))
            response_url = urllib2.urlopen(req)
            response_read = response_url.read()
            self.logger.debug("raw response: %s" % repr(response_read))
            response_read = response_read.decode('utf-8')
            if response_read == '{"result":[]}\n':
              text = None
            else:
              decoded = json.loads(response_read.split("\n")[1])
              #self.logger.debug("decoded response: %s" % repr(response_read.decode('utf-8')))
              text = decoded['result'][0]['alternative'][0]['transcript']
              text = str_formater.unicodeToUTF8(text, self.logger)
            if text:
                self.logger.info("<<<<<<<<<<<<<<<<<<<")
                self.logger.info("YOU: " + text )
                self.logger.info("<<<<<<<<<<<<<<<<<<<")
            return text
        except Exception:
            traceback.print_exc()
            self.logger.error("Failed to transcribe data: %s" % audio_file_path, exc_info=True)
开发者ID:HubertReX,项目名称:jasper-client,代码行数:44,代码来源:stt.py


示例6: record

 def record(self, time=5):
     audio = PyAudio()
     stream = audio.open(format=self.format, channels=self.channel,
                         rate=self.rate, input=True,
                         frames_per_buffer=self.chunk)
     print "RECORDING START"
     frames = []
     for i in range(0, self.rate / self.chunk * time):
         data = stream.read(self.chunk)
         frames.append(data)
     stream.stop_stream()
     stream.close()
     audio.terminate()
     print "RECORDING STOP"
     write_frames = open_audio(self.audio_file, 'wb')
     write_frames.setnchannels(self.channel)
     write_frames.setsampwidth(audio.get_sample_size(self.format))
     write_frames.setframerate(self.rate)
     write_frames.writeframes(''.join(frames))
     write_frames.close()
     self.convert()
开发者ID:xSAVIKx,项目名称:py-audio-recognition,代码行数:21,代码来源:recognizer.py


示例7: input_speech_active_listen

 def input_speech_active_listen(self, conf):
     """
     Records until a conf['input_speech']['listen_time'] amount of seconds
     or times out after conf['input_speech']['listen_timeout'] seconds.
     """
     rate = conf['input_speech']['rate']
     chunk = conf['input_speech']['chunk']
     listen_time = conf['input_speech']['listen_time']
     threshold = conf['input_speech']['threshold']
     self.audio = pyaudio.PyAudio()
     self.stream = self.audio.open(format=pyaudio.paInt16,
                                   channels=1,
                                   rate=rate,
                                   input=True,
                                   frames_per_buffer=chunk)
     frames = []
     lastN = [threshold * 1.2 for i in range(30)]
     for i in range(0, rate / chunk * listen_time):
         self.data = self.stream.read(chunk)
         frames.append(self.data)
         self.input_speech_get_score(conf)
         score = conf['input_speech']['score']
         lastN.pop(0)
         lastN.append(score)
         average = sum(lastN) / float(len(lastN))
         if average < threshold * 0.8: # Why 0.8?
             break
     # Save the audio data
     self.stream.stop_stream()
     self.stream.close()
     self.audio.terminate()
     write_frames = open_audio(conf['input_speech']['audio_file'], 'wb')
     write_frames.setnchannels(1)
     write_frames.setsampwidth(self.audio.get_sample_size(pyaudio.paInt16))
     write_frames.setframerate(rate)
     write_frames.writeframes(''.join(frames))
     write_frames.close()
     # Transcribe
     self.input_speech_transcribe(conf)
开发者ID:edouardpoitras,项目名称:Eva,代码行数:39,代码来源:input_speech.py


示例8: record

 def record(self, time, device_i=None):
     audio = PyAudio()
     print audio.get_device_info_by_index(1)
     stream = audio.open(input_device_index=device_i,output_device_index=device_i,format=self.format, channels=self.channel,
                         rate=self.rate, input=True,
                         frames_per_buffer=self.chunk)
     playDing()
     print "REC: "
     frames = []
     for i in range(0, self.rate / self.chunk * time):
         data = stream.read(self.chunk)
         frames.append(data)
     stream.stop_stream()
     print "END"
     stream.close()
     playDing()
     audio.terminate()
     write_frames = open_audio(self.file, 'wb')
     write_frames.setnchannels(self.channel)
     write_frames.setsampwidth(audio.get_sample_size(self.format))
     write_frames.setframerate(self.rate)
     write_frames.writeframes(''.join(frames))
     write_frames.close()
开发者ID:sageoffroy,项目名称:Pyranha,代码行数:23,代码来源:vox.py


示例9: passiveListen

    def passiveListen(self, PERSONA):
        """
        Listens for PERSONA in everyday sound. Times out after LISTEN_TIME, so needs to be
        restarted.
        """

        THRESHOLD_MULTIPLIER = 1.8
        AUDIO_FILE = "passive.wav"
        RATE = 16000
        CHUNK = 1024

        # number of seconds to allow to establish threshold
        THRESHOLD_TIME = 1

        # number of seconds to listen before forcing restart
        LISTEN_TIME = 10

        # prepare recording stream
        audio = pyaudio.PyAudio()
        stream = audio.open(format=pyaudio.paInt16,
                            channels=1,
                            rate=RATE,
                            input=True,
                            frames_per_buffer=CHUNK)

        # stores the audio data
        frames = []

        # stores the lastN score values
        lastN = [i for i in range(30)]

        # calculate the long run average, and thereby the proper threshold
        for i in range(0, RATE / CHUNK * THRESHOLD_TIME):

            data = stream.read(CHUNK)
            frames.append(data)

            # save this data point as a score
            lastN.pop(0)
            lastN.append(self.getScore(data))
            average = sum(lastN) / len(lastN)

        # this will be the benchmark to cause a disturbance over!
        THRESHOLD = average * THRESHOLD_MULTIPLIER

        # save some memory for sound data
        frames = []

        # flag raised when sound disturbance detected
        didDetect = False

        # start passively listening for disturbance above threshold
        for i in range(0, RATE / CHUNK * LISTEN_TIME):

            data = stream.read(CHUNK)
            frames.append(data)
            score = self.getScore(data)

            if score > THRESHOLD:
                didDetect = True
                break

        # no use continuing if no flag raised
        if not didDetect:
            print "No disturbance detected"
            return

        # cutoff any recording before this disturbance was detected
        frames = frames[-20:]

        # otherwise, let's keep recording for few seconds and save the file
        DELAY_MULTIPLIER = 1
        for i in range(0, RATE / CHUNK * DELAY_MULTIPLIER):

            data = stream.read(CHUNK)
            frames.append(data)

        # save the audio data
        stream.stop_stream()
        stream.close()
        audio.terminate()
        write_frames = open_audio(AUDIO_FILE, 'wb')
        write_frames.setnchannels(1)
        write_frames.setsampwidth(audio.get_sample_size(pyaudio.paInt16))
        write_frames.setframerate(RATE)
        write_frames.writeframes(''.join(frames))
        write_frames.close()

        # check if PERSONA was said
        transcribed = self.passive_stt_engine.transcribe(AUDIO_FILE, PERSONA_ONLY=True)

        if PERSONA in transcribed:
            return (THRESHOLD, PERSONA)

        return (False, transcribed)
开发者ID:Glavin001,项目名称:jasper-client,代码行数:95,代码来源:mic.py


示例10: activeListen

    def activeListen(self, THRESHOLD=None, LISTEN=True, MUSIC=False):
        """
            Records until a second of silence or times out after 12 seconds
        """

        AUDIO_FILE = "active.wav"
        RATE = 16000
        CHUNK = 1024
        LISTEN_TIME = 12

        # user can request pre-recorded sound
        if not LISTEN:
            if not os.path.exists(AUDIO_FILE):
                return None

            return self.transcribe(AUDIO_FILE)

        # check if no threshold provided
        if THRESHOLD == None:
            THRESHOLD = self.fetchThreshold()

        os.system("aplay -D hw:1,0 ../static/audio/beep_hi.wav")

        # prepare recording stream
        audio = pyaudio.PyAudio()
        stream = audio.open(format=pyaudio.paInt16,
                            channels=1,
                            rate=RATE,
                            input=True,
                            frames_per_buffer=CHUNK)

        frames = []
        # increasing the range # results in longer pause after command
        # generation
        lastN = [THRESHOLD * 1.2 for i in range(30)]

        for i in range(0, RATE / CHUNK * LISTEN_TIME):

            data = stream.read(CHUNK)
            frames.append(data)
            score = self.getScore(data)

            lastN.pop(0)
            lastN.append(score)

            average = sum(lastN) / float(len(lastN))

            # TODO: 0.8 should not be a MAGIC NUMBER!
            if average < THRESHOLD * 0.8:
                break

        os.system("aplay -D hw:1,0 ../static/audio/beep_lo.wav")

        # save the audio data
        stream.stop_stream()
        stream.close()
        audio.terminate()
        write_frames = open_audio(AUDIO_FILE, 'wb')
        write_frames.setnchannels(1)
        write_frames.setsampwidth(audio.get_sample_size(pyaudio.paInt16))
        write_frames.setframerate(RATE)
        write_frames.writeframes(''.join(frames))
        write_frames.close()

        # DO SOME AMPLIFICATION
        # os.system("sox "+AUDIO_FILE+" temp.wav vol 20dB")

        if MUSIC:
            return self.transcribe(AUDIO_FILE, MUSIC=True)

        return self.transcribe(AUDIO_FILE)
开发者ID:Asalion,项目名称:jasper-client,代码行数:71,代码来源:mic.py


示例11: loadAudio

    def loadAudio(self, AUDIO_FILE, THRESHOLD=None, LISTEN=True, MUSIC=False, RATE=48000, CHUNK=8096, LISTEN_TIME=5, AVERAGE_TIME=None):
        """
            Records until a second of silence or times out after 12 seconds
        """

        #AUDIO_FILE = "active.wav"
        if not AUDIO_FILE:
          print "No WAV file name given"
          return None
        else:
          if not os.path.isfile(AUDIO_FILE):
            print "Given WAV faile doesn't exist: %s " % AUDIO_FILE
            return None


        read_frames = open_audio(AUDIO_FILE, 'rb')
        self.CHANNELS = read_frames.getnchannels()
        sample_size = read_frames.getsampwidth()
        #self.audio.get_sample_size(self.FORMAT)
        self.RATE = read_frames.getframerate()
        
        

        #self.RATE  = RATE
        self.CHUNK = CHUNK

        THRESHOLD_LIMIT_RATIO = 1.0 #0.8 
        #RATE = 16000
        
        #LISTEN_TIME = 5
        if not AVERAGE_TIME:
          AVERAGE_TIME = LISTEN_TIME
        LAST_SAMPLES_NO = int(AVERAGE_TIME * (self.RATE / self.CHUNK))
        #LAST_SAMPLES_NO = 5

        # check if no threshold provided
        if THRESHOLD == None:
          if not self.THRESHOLD:
            self.THRESHOLD = self.fetchThreshold(RATE=RATE, CHUNK=CHUNK)
        else:
          self.THRESHOLD = THRESHOLD
        self.logger.debug("THRESHOLD: %6.2f" % self.THRESHOLD)
        limit = round(self.THRESHOLD * THRESHOLD_LIMIT_RATIO * 100.0) / 100.0
        
        #self.speaker.play("../static/audio/beep_hi.mp3")
        # wait 330 ms in order not to record beep
        #time.sleep(0.33)
        # prepare recording stream
        #audio = pyaudio.PyAudio()
        #defaultSampleRate = audio.get_device_info_by_index(0)['defaultSampleRate']
        #self.logger.debug("defaultSampleRate: %s" % repr(defaultSampleRate))

        frames = []
        # increasing the range # results in longer pause after command generation
        #lastN = [THRESHOLD * 1.2 for i in range(30)]
        lastN = []
        allN  = []
        #self.logger.debug("lastN: %s" % repr(lastN)) 


        while True:

            try:
              data = read_frames.readframes(self.CHUNK)
              if not data:
                print "got end of file"
                break
              #data = self.audioFilter(data)
              frames.append(data)
              
              score = self.getScore(data)
              score = self.to_dB(score)
              
              #score = self.get_RMS(data)
              #score = self.get_dB(score)

              score = round(score * 100.0) / 100.0

              if len(lastN) >= LAST_SAMPLES_NO:
                lastN.pop(0)
              lastN.append(score)
              allN.append(score)
              #self.logger.debug("lastN: %s" % repr(lastN)) 

              average = sum(lastN) / float(len(lastN))
              #self.logger.debug("score: %6.2f average: %6.2f THRESHOLD : %6.2f" % (score, average, THRESHOLD))
              cut_off = 120.0
              #cut_off = 999.0
              split   = LAST_SAMPLES_NO
              header = '[ Current: %10.2f | Average: %10.2f | Threshold : %10.2f | Cut off: %10.2f | Average time: %4d s  ]\n' % (score, average, limit, cut_off, AVERAGE_TIME)
                            
              self.volume_bar.draw_bar(allN, header, limit, self.RATE / self.CHUNK, cut_off, split)
              arr = self.extractData(data)
              print len(arr), min(arr), max(arr), sum(arr)/len(arr)
              text = raw_input("<pause>")
            except IOError:
              self.logger.critical("IOError error reading chunk", exc_info=True)
              break
            except KeyboardInterrupt:
              print 'got break'
#.........这里部分代码省略.........
开发者ID:HubertReX,项目名称:jasper-client,代码行数:101,代码来源:half_local_mic.py


示例12: recordAudio


#.........这里部分代码省略.........
          self.THRESHOLD = THRESHOLD
          
        self.THRESHOLD = abs(self.THRESHOLD)
        self.logger.debug("THRESHOLD: %6.2f" % self.THRESHOLD)
        limit = round(self.THRESHOLD * THRESHOLD_LIMIT_RATIO * 100.0) / 100.0
        
        #self.speaker.play("../static/audio/beep_hi.mp3")
        # wait 330 ms in order not to record beep
        #time.sleep(0.33)
        # prepare recording stream
        #audio = pyaudio.PyAudio()
        #defaultSampleRate = audio.get_device_info_by_index(0)['defaultSampleRate']
        #self.logger.debug("defaultSampleRate: %s" % repr(defaultSampleRate))
        stream = self.audio.open(format              = self.FORMAT,
                                 channels            = self.CHANNELS,
                                 input_device_index  = self.INPUT_DEVICE_IDX,
                                 rate                = self.RATE,
                                 input               = True,
                                 frames_per_buffer   = self.CHUNK)

        frames = []
        # increasing the range # results in longer pause after command generation
        #lastN = [THRESHOLD * 1.2 for i in range(30)]
        lastN = []
        allN  = []
        #self.logger.debug("lastN: %s" % repr(lastN)) 

        wasAbove = False
        wasBelow = False
        gotKeyboardInterrupt = False

        #self.volume_bar.save()

        for i in range(0, self.RATE / self.CHUNK * LISTEN_TIME):

            try:
              data = stream.read(self.CHUNK)
              #data = self.audioFilter(data)
              if len(frames) >= LAST_FRAMES_NO:
                frames.pop(0)
              frames.append(data)
              #score = round(self.getScore(data) * 100.0) / 100.0
              score = round(self.to_dB(self.getScore(data)) * 100.0) / 100.0

              if len(lastN) >= LAST_SAMPLES_NO:
                lastN.pop(0)
              lastN.append(score)
              allN.append(score)
              #self.logger.debug("lastN: %s" % repr(lastN)) 

              average = sum(lastN) / float(len(lastN))
              #self.logger.debug("score: %6.2f average: %6.2f THRESHOLD : %6.2f" % (score, average, THRESHOLD ))
              cut_off = 120.0
              split   = LAST_SAMPLES_NO
              header = '[ Current: %10.2f | Average: %10.2f | Threshold : %10.2f | Cut off: %10.2f | Average time: %4d s | was Above: %d ]\n' % (score, average, limit, cut_off, AVERAGE_TIME, wasAbove)
                            
              self.volume_bar.draw_bar(allN, header, limit, self.RATE / self.CHUNK, cut_off, split, verbose=True)

              if not wasAbove and self.isAboveThreshold(lastN, limit):
                wasAbove = True

              if wasAbove and self.isBelowThreshold(lastN, limit):
                print "not above threshold any more"
                wasBelow = True
                break
              #if average < limit and len(lastN) == LAST_SAMPLES_NO:
              #    break
            except IOError:
              self.logger.critical("IOError error reading chunk", exc_info=True)
            except KeyboardInterrupt:
              print 'got break'
              # temporarly mask exception to clean up
              gotKeyboardInterrupt = True
              break

        #self.speaker.play("../static/audio/beep_lo.mp3")

        # save the audio data
        stream.stop_stream()
        stream.close()
        #self.audio.terminate()
        if wasBelow:
          write_frames = open_audio(AUDIO_FILE, 'wb')
          write_frames.setnchannels(self.CHANNELS)
          write_frames.setsampwidth(self.audio.get_sample_size(self.FORMAT))
          write_frames.setframerate(self.RATE)
          write_frames.writeframes(''.join(frames))
          write_frames.close()
        else:
          #finished after timeout and not threshold crossed - not record audio to file
          AUDIO_FILE = None
        
        #self.volume_bar.restore()
        
        if gotKeyboardInterrupt:
          # all is cleaned up - rerise exception
          #raise KeyboardInterrupt
          return None

        return AUDIO_FILE
开发者ID:HubertReX,项目名称:jasper-client,代码行数:101,代码来源:half_local_mic.py


示例13: activeListen

    def activeListen(self, THRESHOLD=None, RATE=48000, CHUNK=8096):
        """
            Records until a second of silence or times out after 12 seconds
        """

        AUDIO_FILE = "active.wav"
        self.RATE  = RATE
        self.CHUNK = CHUNK
        #RATE = 16000
        #RATE = 44100
        #CHUNK = 512
        LISTEN_TIME = 5
        LAST_SAMPLES_NO = 10

        # check if no threshold provided
        if THRESHOLD == None:
            THRESHOLD = self.fetchThreshold()
            self.logger.debug("THRESHOLD: %6.2f" % THRESHOLD)

        self.play("../static/audio/beep_hi.mp3")

        # prepare recording stream
        #audio = pyaudio.PyAudio()
        #defaultSampleRate = self.audio.get_device_info_by_index(0)['defaultSampleRate']
        #self.logger.debug("defaultSampleRate: %s" % repr(defaultSampleRate))
        stream = self.audio.open(format=self.FORMAT,
                            channels=self.CHANNELS,
                            input_device_index=0,
                            rate=self.RATE,
                            input=True,
                            frames_per_buffer=self.CHUNK)

        frames = []
        # increasing the range # results in longer pause after command generation
        #lastN = [THRESHOLD * 1.2 for i in range(30)]
        lastN = []
        #self.logger.debug("lastN: %s" % repr(lastN)) 

        for i in range(0, self.RATE / self.CHUNK * LISTEN_TIME):

            try:
              data = stream.read(self.CHUNK)
              frames.append(data)
              score = round(self.getScore(data) * 100.0) / 100.0
              
              if len(lastN) >= LAST_SAMPLES_NO:
                lastN.pop(0)
              lastN.append(score)
              #self.logger.debug("lastN: %s" % repr(lastN)) 

              average = sum(lastN) / float(len(lastN))
              self.logger.debug("score: %6.2f average: %6.2f THRESHOLD * 0.8: %6.2f" % (score, average, THRESHOLD * 0.8))

              # TODO: 0.8 should not be a MAGIC NUMBER!
              if average < THRESHOLD * 0.8 and len(lastN) == LAST_SAMPLES_NO:
                  break
            except IOError:
              self.logger.critical("IOError error reading chunk", exc_info=True)

        self.play("../static/audio/beep_lo.mp3")

        # save the audio data
        stream.stop_stream()
        stream.close()
        #self.audio.terminate()
        write_frames = open_audio(AUDIO_FILE, 'wb')
        write_frames.setnchannels(self.CHANNELS)
        write_frames.setsampwidth(self.audio.get_sample_size(self.FORMAT))
        write_frames.setframerate(self.RATE)
        write_frames.writeframes(''.join(frames))
        write_frames.close()

        return AUDIO_FILE
开发者ID:HubertReX,项目名称:jasper-client,代码行数:73,代码来源:setup_mic.py


示例14: activeListen

    def activeListen(self, THRESHOLD=None, LISTEN=True, MUSIC=False):
        """
            Records until a second of silence or times out after 12 seconds
        """

        AUDIO_FILE = "active.wav"
        RATE = 16000
        #RATE = 44100
        CHUNK = 1024
        LISTEN_TIME = 12

        # user can request pre-recorded sound
        if not LISTEN:
            if not os.path.exists(AUDIO_FILE):
                return None

            return self.active_stt_engine.transcribe(AUDIO_FILE)

        # check if no threshold provided
        if THRESHOLD == None:
            THRESHOLD = self.fetchThreshold()

        self.speaker.play("../static/audio/beep_hi.mp3")

        # prepare recording stream
        audio = pyaudio.PyAudio()
        defaultSampleRate = audio.get_device_info_by_index(0)['defaultSampleRate']
        self.logger.debug("defaultSampleRate: %s" % repr(defaultSampleRate))
        stream = audio.open(format=pyaudio.paInt16,
                            channels=1,
                            rate=RATE,
                            input=True,
                            frames_per_buffer=CHUNK)

        frames = []
        # increasing the range # results in longer pause after command generation
        lastN = [THRESHOLD * 1.2 for i in range(30)]

        for i in range(0, RATE / CHUNK * LISTEN_TIME):

            try:
              data = stream.read(CHUNK)
              frames.append(data)
              score = self.getScore(data)

              lastN.pop(0)
              lastN.append(score)

              average = sum(lastN) / float(len(lastN))

              # TODO: 0.8 should not be a MAGIC NUMBER!
              if average < THRESHOLD * 0.8:
                  break
            except IOError:
              self.logger.critical("IOError error reading chunk", exc_info=True)

        self.speaker.play("../static/audio/beep_lo.mp3")

        # save the audio data
        stream.stop_stream()
        stream.close()
        audio.terminate()
        write_frames = open_audio(AUDIO_FILE, 'wb')
        write_frames.setnchannels(1)
        write_frames.setsampwidth(audio.get_sample_size(pyaudio.paInt16))
        write_frames.setframerate(RATE)
        write_frames.writeframes(''.join(frames))
        write_frames.close()

        return self.active_stt_engine.transcribe(AUDIO_FILE, MUSIC)
开发者ID:HubertReX,项目名称:jasper-client,代码行数:70,代码来源:mic.py


示例15: listen

  def listen(self, level = 1000,timeout = 1,ignore_shoter_than = 0.5,ignore_longer_than = 5 ,language = "sv_SE", device_i=None):
    audio = PyAudio()
    #print audio.get_device_info_by_index(1)
    stream = audio.open(input_device_index=device_i,output_device_index=device_i,format=self.format, channels=self.channel,
                            rate=self.rate, input=True,
                            frames_per_buffer=self.chunk)

    timeout_chuncks = self.rate / self.chunk * timeout
    minmessage = self.rate / self.chunk * ignore_shoter_than
    maxmessage = self.rate / self.chunk * ignore_longer_than

    try:
	    while(True):
	   
		    print "Start listening... "
		    frames = []
		    data = ""
		    olddata = ""
		    self.count_silence = 0
		    self.active = False
		
		    while(True):  #for i in range(0, self.rate / self.chunk * time):
		      data = stream.read(self.chunk)
		      rms = audioop.rms(data, 2)
		
		      #print str(rms) + '\r'
		            
		      #There is some noise start recording
		      if rms > level:
			self.count_silence = 0
		        
			if self.active == False:
			  print "Recording..."
		          self.active = True
		          self.count_silence = 0
			  frames.append(olddata)
		
		      if self.active:       
		        frames.append(data)
		              
		      if rms < level and self.active:
		        self.count_silence += 1
		              
		      #If we have enough silence send for processing  
		      if (self.count_silence > timeout_chuncks) and self.active == True:
		        self.active = False
			#print len(frames) #10 12
			#print self.count_silence #8
			if not len(frames)> self.count_silence + minmessage:
			  print "Disregarding noise"
			  frames = []
			  continue
			if len(frames)> self.count_silence + maxmessage:
			  print "Ignoring to long recording"
			  frames = []
                          continue

			print "Processing..."
		        break
		    
		      olddata = data      
		 
		         
		    write_frames = open_audio(self.file, 'wb')
		    write_frames.setnchannels(self.channel)
		    write_frames.setsampwidth(audio.get_sample_size(self.format))
		    write_frames.setframerate(self.rate)
		    write_frames.writeframes(''.join(frames))
		    write_frames.close()
		    self.convert()
		
		    try:      
		    	phrase, complete_response = self.speech_to_text(language) # select the language
		    except:
			phrase = ""
			
		    print phrase

    except KeyboardInterrupt:
        # quit
        stream.stop_stream()
	    #print "END"
        stream.close()
        audio.terminate()
	sys.exit()
	
    return 
开发者ID:Anton04,项目名称:Speech2MQTT,代码行数:87,代码来源:Speech2MQTT.py



注:本文中的wave.open_audio函数示例由纯净天空整理自Github/MSDocs等源码及文档管理平台,相关代码片段筛选自各路编程大神贡献的开源项目,源码版权归原作者所有,传播和使用请参考对应项目的License;未经允许,请勿转载。


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