def __init__(self, state, queue, emitter, stt, wakeup_recognizer,
wakeword_recognizer):
super(AudioConsumer, self).__init__()
self.daemon = True
self.queue = queue
self.state = state
self.emitter = emitter
self.stt = stt
self.wakeup_recognizer = wakeup_recognizer
self.wakeword_recognizer = wakeword_recognizer
self.metrics = MetricsAggregator()
def __init__(self, state, queue, emitter, wakeup_recognizer,
mycroft_recognizer, remote_recognizer):
threading.Thread.__init__(self)
self.daemon = True
self.queue = queue
self.state = state
self.emitter = emitter
self.wakeup_recognizer = wakeup_recognizer
self.mycroft_recognizer = mycroft_recognizer
self.remote_recognizer = remote_recognizer
self.metrics = MetricsAggregator()
def __init__(self, state, queue, emitter, stt, wakeup_recognizer,
wakeword_recognizer):
super(AudioConsumer, self).__init__()
self.daemon = True
self.queue = queue
self.state = state
self.emitter = emitter
self.stt = stt
self.wakeup_recognizer = wakeup_recognizer
self.wakeword_recognizer = wakeword_recognizer
self.metrics = MetricsAggregator()
self.config = ConfigurationManager.get()
emitter.on("recognizer_loop:hotword", self.set_word)
def __init__(self, state, queue, emitter, wakeup_recognizer,
wakeword_recognizer, wrapped_remote_recognizer,
wakeup_prefixes, wakeup_words):
threading.Thread.__init__(self)
self.daemon = True
self.queue = queue
self.state = state
self.emitter = emitter
self.wakeup_recognizer = wakeup_recognizer
self.ww_recognizer = wakeword_recognizer
self.wrapped_remote_recognizer = wrapped_remote_recognizer
self.wakeup_prefixes = wakeup_prefixes
self.wakeup_words = wakeup_words
self.metrics = MetricsAggregator()
def __init__(self, state, queue, emitter, wakeup_recognizer,
mycroft_recognizer, remote_recognizer):
threading.Thread.__init__(self)
self.daemon = True
self.queue = queue
self.state = state
self.emitter = emitter
self.wakeup_recognizer = wakeup_recognizer
self.mycroft_recognizer = mycroft_recognizer
self.remote_recognizer = remote_recognizer
self.metrics = MetricsAggregator()
def __init__(self, state, queue, emitter, stt,
wakeup_recognizer, wakeword_recognizer):
super(AudioConsumer, self).__init__()
self.daemon = True
self.queue = queue
self.state = state
self.emitter = emitter
self.stt = stt
self.wakeup_recognizer = wakeup_recognizer
self.wakeword_recognizer = wakeword_recognizer
self.metrics = MetricsAggregator()
def __init__(self, state, queue, emitter, wakeup_recognizer, wakeword_recognizer,
wrapped_remote_recognizer, wakeup_prefixes, wakeup_words):
threading.Thread.__init__(self)
self.daemon = True
self.queue = queue
self.state = state
self.emitter = emitter
self.wakeup_recognizer = wakeup_recognizer
self.ww_recognizer = wakeword_recognizer
self.wrapped_remote_recognizer = wrapped_remote_recognizer
self.wakeup_prefixes = wakeup_prefixes
self.wakeup_words = wakeup_words
self.metrics = MetricsAggregator()
class AudioConsumer(Thread):
"""
AudioConsumer
Consumes AudioData chunks off the queue
"""
# In seconds, the minimum audio size to be sent to remote STT
MIN_AUDIO_SIZE = 0.5
def __init__(self, state, queue, emitter, stt,
wakeup_recognizer, mycroft_recognizer):
super(AudioConsumer, self).__init__()
self.daemon = True
self.queue = queue
self.state = state
self.emitter = emitter
self.stt = stt
self.wakeup_recognizer = wakeup_recognizer
self.mycroft_recognizer = mycroft_recognizer
self.metrics = MetricsAggregator()
def run(self):
while self.state.running:
self.read()
def read(self):
audio = self.queue.get()
if self.state.sleeping:
self.wake_up(audio)
else:
self.process(audio)
# TODO: Localization
def wake_up(self, audio):
if self.wakeup_recognizer.is_recognized(audio.frame_data,
self.metrics):
SessionManager.touch()
self.state.sleeping = False
self.__speak("I'm awake.")
self.metrics.increment("mycroft.wakeup")
@staticmethod
def _audio_length(audio):
return float(len(audio.frame_data)) / (
audio.sample_rate * audio.sample_width)
# TODO: Localization
def process(self, audio):
SessionManager.touch()
payload = {
'utterance': self.mycroft_recognizer.key_phrase,
'session': SessionManager.get().session_id,
}
self.emitter.emit("recognizer_loop:wakeword", payload)
if self._audio_length(audio) < self.MIN_AUDIO_SIZE:
LOG.warn("Audio too short to be processed")
elif connected():
self.transcribe(audio)
else:
self.__speak("Mycroft seems not to be connected to the Internet")
def transcribe(self, audio):
text = None
try:
text = self.stt.execute(audio).lower().strip()
LOG.debug("STT: " + text)
except sr.RequestError as e:
LOG.error("Could not request Speech Recognition {0}".format(e))
except HTTPError as e:
if e.response.status_code == 401:
text = "pair my device"
LOG.warn("Access Denied at mycroft.ai")
except Exception as e:
LOG.error(e)
LOG.error("Speech Recognition could not understand audio")
self.__speak("Sorry, I didn't catch that")
if text:
payload = {
'utterances': [text],
'session': SessionManager.get().session_id
}
self.emitter.emit("recognizer_loop:utterance", payload)
self.metrics.attr('utterances', [text])
def __speak(self, utterance):
payload = {
'utterance': utterance,
'session': SessionManager.get().session_id
}
self.emitter.emit("speak", Message("speak", payload))
class AudioConsumer(threading.Thread):
"""
AudioConsumer
Consumes AudioData chunks off the queue
"""
# In seconds, the minimum audio size to be sent to remote STT
MIN_AUDIO_SIZE = 0.5
def __init__(self, state, queue, emitter, wakeup_recognizer,
mycroft_recognizer, remote_recognizer):
threading.Thread.__init__(self)
self.daemon = True
self.queue = queue
self.state = state
self.emitter = emitter
self.wakeup_recognizer = wakeup_recognizer
self.mycroft_recognizer = mycroft_recognizer
self.remote_recognizer = remote_recognizer
self.metrics = MetricsAggregator()
def run(self):
while self.state.running:
self.read_audio()
@staticmethod
def _audio_length(audio):
return float(len(audio.frame_data)) / (
audio.sample_rate * audio.sample_width)
def read_audio(self):
audio_data = self.queue.get()
if self.state.sleeping:
self.try_wake_up(audio_data)
else:
self.process_audio(audio_data)
def try_wake_up(self, audio):
if self.wakeup_recognizer.is_recognized(audio.frame_data,
self.metrics):
SessionManager.touch()
self.state.sleeping = False
self.__speak("I'm awake.") # TODO: Localization
self.metrics.increment("mycroft.wakeup")
def process_audio(self, audio):
try:
self.transcribe([audio])
except sr.UnknownValueError: # TODO: Localization
logger.warn("Speech Recognition could not understand audio")
self.__speak("Sorry, I didn't catch that.")
bus = dbus.SessionBus()
remote_object = bus.get_object("org.gnome.Shell","/com/mycroftaignome/MycroftGnomeResult")
setText = remote_object.setText("Sorry, I didn't catch that.", dbus_interface = "com.mycroftaignome.MycroftAiGnomeBox")
def __speak(self, utterance):
payload = {
'utterance': utterance,
'session': SessionManager.get().session_id
}
self.emitter.emit("speak", Message("speak", metadata=payload))
def _create_remote_stt_runnable(self, audio, utterances):
def runnable():
try:
text = self.remote_recognizer.transcribe(
audio, metrics=self.metrics).lower()
except sr.UnknownValueError:
pass
except sr.RequestError as e:
logger.error(
"Could not request results from Speech Recognition "
"service; {0}".format(e))
except CerberusAccessDenied as e:
logger.error("AccessDenied from Cerberus proxy.")
self.__speak(
"Your device is not registered yet. To start pairing, "
"login at cerberus dot mycroft dot A.I")
utterances.append("pair my device")
bus = dbus.SessionBus()
remote_object = bus.get_object("org.gnome.Shell","/com/mycroftaignome/MycroftGnomeResult")
getvoiceQuery = remote_object.getvoiceQuery("Your device is not registered yet. To start pairing, login at cerberus.mycroft.ai", dbus_interface = "com.mycroftaignome.MycroftAiGnomeBox")
url = 'http://cerberus.mycroft.ai'
webbrowser.open(url)
except Exception as e:
logger.error("Unexpected exception: {0}".format(e))
else:
logger.debug("STT: " + text)
if text.strip() != '':
utterances.append(text)
bus = dbus.SessionBus()
remote_object = bus.get_object("org.gnome.Shell","/com/mycroftaignome/MycroftGnomeResult")
getvoiceQuery = remote_object.getvoiceQuery(text, dbus_interface = "com.mycroftaignome.MycroftAiGnomeBox")
return runnable
def transcribe(self, audio_segments):
utterances = []
threads = []
for audio in audio_segments:
if self._audio_length(audio) < self.MIN_AUDIO_SIZE:
logger.debug("Audio too short to send to STT")
continue
target = self._create_remote_stt_runnable(audio, utterances)
t = threading.Thread(target=target)
t.start()
threads.append(t)
for thread in threads:
thread.join()
if len(utterances) > 0:
payload = {
'utterances': utterances,
'session': SessionManager.get().session_id
}
self.emitter.emit("recognizer_loop:utterance", payload)
self.metrics.attr('utterances', utterances)
else:
raise sr.UnknownValueError
class AudioConsumer(threading.Thread):
"""
AudioConsumer
Consumes AudioData chunks off the queue
"""
# In seconds, the minimum audio size to be sent to remote STT
MIN_AUDIO_SIZE = 0.5
def __init__(self, state, queue, emitter, wakeup_recognizer,
mycroft_recognizer, remote_recognizer):
threading.Thread.__init__(self)
self.daemon = True
self.queue = queue
self.state = state
self.emitter = emitter
self.wakeup_recognizer = wakeup_recognizer
self.mycroft_recognizer = mycroft_recognizer
self.remote_recognizer = remote_recognizer
self.metrics = MetricsAggregator()
def run(self):
while self.state.running:
self.read_audio()
@staticmethod
def _audio_length(audio):
return float(len(
audio.frame_data)) / (audio.sample_rate * audio.sample_width)
def read_audio(self):
timer = Stopwatch()
audio = self.queue.get()
self.metrics.timer("mycroft.recognizer.audio.length_s",
self._audio_length(audio))
self.queue.task_done()
timer.start()
if self.state.sleeping:
self.process_wake_up(audio)
elif self.state.skip_wakeword:
self.process_skip_wake_word(audio)
else:
self.process_wake_word(audio, timer)
self.metrics.flush()
def process_wake_up(self, audio):
if self.wakeup_recognizer.is_recognized(audio.frame_data,
self.metrics):
SessionManager.touch()
self.state.sleeping = False
self.__speak("I'm awake.") # TODO: Localization
self.metrics.increment("mycroft.wakeup")
def process_wake_word(self, audio, timer):
hyp = self.mycroft_recognizer.transcribe(audio.frame_data,
self.metrics)
if self.mycroft_recognizer.contains(hyp):
extractor = WordExtractor(audio, self.mycroft_recognizer,
self.metrics)
timer.lap()
extractor.calculate_range()
self.metrics.timer("mycroft.recognizer.extractor.time_s",
timer.lap())
audio_before = extractor.get_audio_data_before()
self.metrics.timer("mycroft.recognizer.audio_extracted.length_s",
self._audio_length(audio_before))
audio_after = extractor.get_audio_data_after()
self.metrics.timer("mycroft.recognizer.audio_extracted.length_s",
self._audio_length(audio_after))
SessionManager.touch()
payload = {
'utterance': hyp.hypstr,
'session': SessionManager.get().session_id,
'pos_begin': extractor.begin,
'pos_end': extractor.end
}
self.emitter.emit("recognizer_loop:wakeword", payload)
try:
self.transcribe([audio_before, audio_after])
except sr.UnknownValueError:
self.__speak("Go ahead")
self.state.skip_wakeword = True
self.metrics.increment("mycroft.wakeword")
def process_skip_wake_word(self, audio):
SessionManager.touch()
try:
self.transcribe([audio])
except sr.UnknownValueError:
logger.warn("Speech Recognition could not understand audio")
self.__speak("Sorry, I didn't catch that.")
self.metrics.increment("mycroft.recognizer.error")
self.state.skip_wakeword = False
def __speak(self, utterance):
payload = {
'utterance': utterance,
'session': SessionManager.get().session_id
}
self.emitter.emit("speak", Message("speak", metadata=payload))
def _create_remote_stt_runnable(self, audio, utterances):
def runnable():
try:
text = self.remote_recognizer.transcribe(
audio, metrics=self.metrics).lower()
except sr.UnknownValueError:
pass
except sr.RequestError as e:
logger.error(
"Could not request results from Speech Recognition "
"service; {0}".format(e))
except CerberusAccessDenied as e:
logger.error("AccessDenied from Cerberus proxy.")
self.__speak(
"Your device is not registered yet. To start pairing, "
"login at cerberus dot mycroft dot A.I")
utterances.append("pair my device")
except Exception as e:
logger.error("Unexpected exception: {0}".format(e))
else:
logger.debug("STT: " + text)
if text.strip() != '':
utterances.append(text)
return runnable
def transcribe(self, audio_segments):
utterances = []
threads = []
for audio in audio_segments:
if self._audio_length(audio) < self.MIN_AUDIO_SIZE:
logger.debug("Audio too short to send to STT")
continue
target = self._create_remote_stt_runnable(audio, utterances)
t = threading.Thread(target=target)
t.start()
threads.append(t)
for thread in threads:
thread.join()
if len(utterances) > 0:
payload = {
'utterances': utterances,
'session': SessionManager.get().session_id
}
self.emitter.emit("recognizer_loop:utterance", payload)
self.metrics.attr('utterances', utterances)
else:
raise sr.UnknownValueError
class AudioConsumer(Thread):
"""
AudioConsumer
Consumes AudioData chunks off the queue
"""
# In seconds, the minimum audio size to be sent to remote STT
MIN_AUDIO_SIZE = 0.5
def __init__(self, state, queue, emitter, stt, wakeup_recognizer,
wakeword_recognizer):
super(AudioConsumer, self).__init__()
self.daemon = True
self.queue = queue
self.state = state
self.emitter = emitter
self.stt = stt
self.wakeup_recognizer = wakeup_recognizer
self.wakeword_recognizer = wakeword_recognizer
self.metrics = MetricsAggregator()
def run(self):
while self.state.running:
self.read()
def read(self):
try:
message = self.queue.get(timeout=0.5)
except Empty:
return
if message is None:
return
tag, data = message
if tag == AUDIO_DATA:
if self.state.sleeping:
self.wake_up(data)
else:
self.process(data)
elif tag == STREAM_START:
self.stt.stream_start()
elif tag == STREAM_DATA:
self.stt.stream_data(data)
elif tag == STREAM_STOP:
self.stt.stream_stop()
else:
LOG.error("Unknown audio queue type %r" % message)
# TODO: Localization
def wake_up(self, audio):
if self.wakeup_recognizer.found_wake_word(audio.frame_data):
SessionManager.touch()
self.state.sleeping = False
self.emitter.emit('recognizer_loop:awoken')
self.metrics.increment("mycroft.wakeup")
@staticmethod
def _audio_length(audio):
return float(len(
audio.frame_data)) / (audio.sample_rate * audio.sample_width)
# TODO: Localization
def process(self, audio):
SessionManager.touch()
payload = {
'utterance': self.wakeword_recognizer.key_phrase,
'session': SessionManager.get().session_id,
}
self.emitter.emit("recognizer_loop:wakeword", payload)
if self._audio_length(audio) < self.MIN_AUDIO_SIZE:
LOG.warning("Audio too short to be processed")
else:
stopwatch = Stopwatch()
with stopwatch:
transcription = self.transcribe(audio)
if transcription:
ident = str(stopwatch.timestamp) + str(hash(transcription))
# STT succeeded, send the transcribed speech on for processing
payload = {
'utterances': [transcription],
'lang': self.stt.lang,
'session': SessionManager.get().session_id,
'ident': ident
}
self.emitter.emit("recognizer_loop:utterance", payload)
self.metrics.attr('utterances', [transcription])
else:
ident = str(stopwatch.timestamp)
# Report timing metrics
report_timing(ident, 'stt', stopwatch, {
'transcription': transcription,
'stt': self.stt.__class__.__name__
})
def transcribe(self, audio):
def send_unknown_intent():
""" Send message that nothing was transcribed. """
self.emitter.emit('recognizer_loop:speech.recognition.unknown')
try:
# Invoke the STT engine on the audio clip
text = self.stt.execute(audio)
if text is not None:
text = text.lower().strip()
LOG.debug("STT: " + text)
else:
send_unknown_intent()
LOG.info('no words were transcribed')
return text
except sr.RequestError as e:
LOG.error("Could not request Speech Recognition {0}".format(e))
except ConnectionError as e:
LOG.error("Connection Error: {0}".format(e))
self.emitter.emit("recognizer_loop:no_internet")
except HTTPError as e:
if e.response.status_code == 401:
LOG.warning("Access Denied at mycroft.ai")
return "pair my device" # phrase to start the pairing process
else:
LOG.error(e.__class__.__name__ + ': ' + str(e))
except RequestException as e:
LOG.error(e.__class__.__name__ + ': ' + str(e))
except Exception as e:
send_unknown_intent()
LOG.error(e)
LOG.error("Speech Recognition could not understand audio")
return None
if connected():
dialog_name = 'backend.down'
else:
dialog_name = 'not connected to the internet'
self.emitter.emit('speak', {'utterance': dialog.get(dialog_name)})
def __speak(self, utterance):
payload = {
'utterance': utterance,
'session': SessionManager.get().session_id
}
self.emitter.emit("speak", payload)
class AudioConsumer(Thread):
"""
AudioConsumer
Consumes AudioData chunks off the queue
"""
# In seconds, the minimum audio size to be sent to remote STT
MIN_AUDIO_SIZE = 0.5
def __init__(self, state, queue, emitter, stt, wakeup_recognizer,
wakeword_recognizer):
super(AudioConsumer, self).__init__()
self.daemon = True
self.queue = queue
self.state = state
self.emitter = emitter
self.stt = stt
self.wakeup_recognizer = wakeup_recognizer
self.wakeword_recognizer = wakeword_recognizer
self.metrics = MetricsAggregator()
def run(self):
while self.state.running:
self.read()
def read(self):
try:
audio = self.queue.get(timeout=0.5)
except Empty:
return
if audio is None:
return
if self.state.sleeping:
self.wake_up(audio)
else:
self.process(audio)
# TODO: Localization
def wake_up(self, audio):
if self.wakeup_recognizer.found_wake_word(audio.frame_data):
SessionManager.touch()
self.state.sleeping = False
self.emitter.emit('recognizer_loop:awoken')
self.metrics.increment("mycroft.wakeup")
@staticmethod
def _audio_length(audio):
return float(len(
audio.frame_data)) / (audio.sample_rate * audio.sample_width)
# TODO: Localization
def process(self, audio):
SessionManager.touch()
payload = {
'utterance': self.wakeword_recognizer.key_phrase,
'session': SessionManager.get().session_id,
}
self.emitter.emit("recognizer_loop:wakeword", payload)
if self._audio_length(audio) < self.MIN_AUDIO_SIZE:
LOG.warning("Audio too short to be processed")
else:
self.transcribe(audio)
def transcribe(self, audio):
text = None
try:
# Invoke the STT engine on the audio clip
text = self.stt.execute(audio).lower().strip()
LOG.debug("STT: " + text)
except sr.RequestError as e:
LOG.error("Could not request Speech Recognition {0}".format(e))
except ConnectionError as e:
LOG.error("Connection Error: {0}".format(e))
self.emitter.emit("recognizer_loop:no_internet")
except HTTPError as e:
if e.response.status_code == 401:
text = "pair my device" # phrase to start the pairing process
LOG.warning("Access Denied at mycroft.ai")
except Exception as e:
self.emitter.emit('recognizer_loop:speech.recognition.unknown')
LOG.error(e)
LOG.error("Speech Recognition could not understand audio")
if text:
# STT succeeded, send the transcribed speech on for processing
payload = {
'utterances': [text],
'lang': self.stt.lang,
'session': SessionManager.get().session_id
}
self.emitter.emit("recognizer_loop:utterance", payload)
self.metrics.attr('utterances', [text])
def __speak(self, utterance):
payload = {
'utterance': utterance,
'session': SessionManager.get().session_id
}
self.emitter.emit("speak", payload)
class AudioConsumer(threading.Thread):
"""
AudioConsumer
Consumes AudioData chunks off the queue
"""
# In seconds, the minimum audio size to be sent to remote STT
MIN_AUDIO_SIZE = 0.5
def __init__(self, state, queue, emitter, wakeup_recognizer,
mycroft_recognizer, remote_recognizer):
threading.Thread.__init__(self)
self.daemon = True
self.queue = queue
self.state = state
self.emitter = emitter
self.wakeup_recognizer = wakeup_recognizer
self.mycroft_recognizer = mycroft_recognizer
self.remote_recognizer = remote_recognizer
self.metrics = MetricsAggregator()
def run(self):
while self.state.running:
self.read_audio()
@staticmethod
def _audio_length(audio):
return float(len(audio.frame_data)) / (
audio.sample_rate * audio.sample_width)
def read_audio(self):
timer = Stopwatch()
audio = self.queue.get()
self.metrics.timer("mycroft.recognizer.audio.length_s",
self._audio_length(audio))
self.queue.task_done()
timer.start()
if self.state.sleeping:
self.process_wake_up(audio)
elif self.state.skip_wakeword:
self.process_skip_wake_word(audio)
else:
self.process_wake_word(audio, timer)
self.metrics.flush()
def process_wake_up(self, audio):
if self.wakeup_recognizer.is_recognized(audio.frame_data,
self.metrics):
SessionManager.touch()
self.state.sleeping = False
self.__speak("I'm awake.") # TODO: Localization
self.metrics.increment("mycroft.wakeup")
def process_wake_word(self, audio, timer):
hyp = self.mycroft_recognizer.transcribe(audio.frame_data,
self.metrics)
if self.mycroft_recognizer.contains(hyp):
extractor = WordExtractor(audio, self.mycroft_recognizer,
self.metrics)
timer.lap()
extractor.calculate_range()
self.metrics.timer("mycroft.recognizer.extractor.time_s",
timer.lap())
audio_before = extractor.get_audio_data_before()
self.metrics.timer("mycroft.recognizer.audio_extracted.length_s",
self._audio_length(audio_before))
audio_after = extractor.get_audio_data_after()
self.metrics.timer("mycroft.recognizer.audio_extracted.length_s",
self._audio_length(audio_after))
SessionManager.touch()
payload = {
'utterance': hyp.hypstr,
'session': SessionManager.get().session_id,
'pos_begin': extractor.begin,
'pos_end': extractor.end
}
self.emitter.emit("recognizer_loop:wakeword", payload)
try:
self.transcribe([audio_before, audio_after])
except sr.UnknownValueError:
self.__speak("Go ahead")
self.state.skip_wakeword = True
self.metrics.increment("mycroft.wakeword")
def process_skip_wake_word(self, audio):
SessionManager.touch()
try:
self.transcribe([audio])
except sr.UnknownValueError:
logger.warn("Speech Recognition could not understand audio")
self.__speak("Sorry, I didn't catch that.")
self.metrics.increment("mycroft.recognizer.error")
self.state.skip_wakeword = False
def __speak(self, utterance):
payload = {
'utterance': utterance,
'session': SessionManager.get().session_id
}
self.emitter.emit("speak", Message("speak", metadata=payload))
def _create_remote_stt_runnable(self, audio, utterances):
def runnable():
try:
text = self.remote_recognizer.transcribe(
audio, metrics=self.metrics).lower()
except sr.UnknownValueError:
pass
except sr.RequestError as e:
logger.error(
"Could not request results from Speech Recognition "
"service; {0}".format(e))
except CerberusAccessDenied as e:
logger.error("AccessDenied from Cerberus proxy.")
self.__speak(
"Your device is not registered yet. To start pairing, "
"login at cerberus dot mycroft dot A.I")
utterances.append("pair my device")
except Exception as e:
logger.error("Unexpected exception: {0}".format(e))
else:
logger.debug("STT: " + text)
if text.strip() != '':
utterances.append(text)
return runnable
def transcribe(self, audio_segments):
utterances = []
threads = []
for audio in audio_segments:
if self._audio_length(audio) < self.MIN_AUDIO_SIZE:
logger.debug("Audio too short to send to STT")
continue
target = self._create_remote_stt_runnable(audio, utterances)
t = threading.Thread(target=target)
t.start()
threads.append(t)
for thread in threads:
thread.join()
if len(utterances) > 0:
payload = {
'utterances': utterances,
'session': SessionManager.get().session_id
}
self.emitter.emit("recognizer_loop:utterance", payload)
self.metrics.attr('utterances', utterances)
else:
raise sr.UnknownValueError
class AudioConsumer(Thread):
"""
AudioConsumer
Consumes AudioData chunks off the queue
"""
# In seconds, the minimum audio size to be sent to remote STT
MIN_AUDIO_SIZE = 0.5
def __init__(self, state, queue, emitter, stt,
wakeup_recognizer, mycroft_recognizer):
super(AudioConsumer, self).__init__()
self.daemon = True
self.queue = queue
self.state = state
self.emitter = emitter
self.stt = stt
self.wakeup_recognizer = wakeup_recognizer
self.mycroft_recognizer = mycroft_recognizer
self.metrics = MetricsAggregator()
def run(self):
while self.state.running:
self.read()
def read(self):
audio = self.queue.get()
if self.state.sleeping:
self.wake_up(audio)
else:
self.process(audio)
# TODO: Localization
def wake_up(self, audio):
if self.wakeup_recognizer.is_recognized(audio.frame_data,
self.metrics):
SessionManager.touch()
self.state.sleeping = False
lines = ["I'm awake.",
"System rebooted.",
"All systems check. I am now online.",
"Waking up."]
self.__speak(choice(lines))
self.metrics.increment("mycroft.wakeup")
@staticmethod
def _audio_length(audio):
return float(len(audio.frame_data)) / (
audio.sample_rate * audio.sample_width)
# TODO: Localization
def process(self, audio):
SessionManager.touch()
payload = {
'utterance': self.mycroft_recognizer.key_phrase,
'session': SessionManager.get().session_id,
}
self.emitter.emit("recognizer_loop:wakeword", payload)
if self._audio_length(audio) < self.MIN_AUDIO_SIZE:
LOG.warn("Audio too short to be processed")
else:
self.transcribe(audio)
def transcribe(self, audio):
text = None
try:
# Invoke the STT engine on the audio clip
text = self.stt.execute(audio).lower().strip()
LOG.debug("STT: " + text)
except sr.RequestError as e:
LOG.error("Could not request Speech Recognition {0}".format(e))
except ConnectionError as e:
LOG.error("Connection Error: {0}".format(e))
self.__speak("Intelora seems not to be connected to the Internet.")
except HTTPError as e:
if e.response.status_code == 401:
text = "pair my device"
LOG.warn("Access Denied at Mycroft API")
except Exception as e:
LOG.error(e)
LOG.error("Speech Recognition could not understand audio")
lines = ["Sorry, I didn't catch that.",
"Sorry, I didn't hear you clearly.",
"Can you repeat what you said, please?",
"Can you please say that again?"]
self.__speak(choice(lines))
if text:
# STT succeeded, send the transcribed speech on for processing
payload = {
'utterances': [text],
'lang': self.stt.lang,
'session': SessionManager.get().session_id
}
self.emitter.emit("recognizer_loop:utterance", payload)
self.metrics.attr('utterances', [text])
def __speak(self, utterance):
payload = {
'utterance': utterance,
'session': SessionManager.get().session_id
}
self.emitter.emit("speak", Message("speak", payload))
class AudioConsumer(Thread):
"""
AudioConsumer
Consumes AudioData chunks off the queue
"""
# In seconds, the minimum audio size to be sent to remote STT
MIN_AUDIO_SIZE = 0.5
def __init__(self, state, queue, emitter, stt, wakeup_recognizer,
wakeword_recognizer):
super(AudioConsumer, self).__init__()
self.daemon = True
self.queue = queue
self.state = state
self.emitter = emitter
self.stt = stt
self.wakeup_recognizer = wakeup_recognizer
self.wakeword_recognizer = wakeword_recognizer
self.metrics = MetricsAggregator()
self.config = ConfigurationManager.get()
emitter.on("recognizer_loop:hotword", self.set_word)
def set_word(self, event):
if event.get("start_listening"):
# set new hot word
self.hotword = event.get("hotword",
self.wakeword_recognizer.key_phrase)
def run(self):
while self.state.running:
self.read()
def read(self):
try:
audio = self.queue.get(timeout=0.5)
except Empty:
return
if audio is None:
return
if self.state.sleeping:
self.wake_up(audio)
else:
self.process(audio)
# TODO: Localization
def wake_up(self, audio):
if self.wakeup_recognizer.found_wake_word(audio.frame_data):
SessionManager.touch()
self.state.sleeping = False
self.__speak(mycroft.dialog.get("i am awake", self.stt.lang))
self.metrics.increment("mycroft.wakeup")
@staticmethod
def _audio_length(audio):
return float(len(
audio.frame_data)) / (audio.sample_rate * audio.sample_width)
# TODO: Localization
def process(self, audio):
SessionManager.touch()
"""
if self.hotword:
word = self.hotword
self.hotword = None
else:
"""
word = self.wakeword_recognizer.key_phrase
payload = {
'utterance': word,
'session': SessionManager.get().session_id,
}
self.emitter.emit("recognizer_loop:wakeword", payload)
if self._audio_length(audio) < self.MIN_AUDIO_SIZE:
LOG.warning("Audio too short to be processed")
else:
self.transcribe(audio)
def transcribe(self, audio):
LOG.debug("Transcribing audio")
text = None
try:
# Invoke the STT engine on the audio clip
text = self.stt.execute(audio).lower().strip()
LOG.debug("STT: --------->" + text)
except sr.RequestError as e:
LOG.error("Could not request Speech Recognition {0}".format(e))
except ConnectionError as e:
LOG.error("Connection Error: {0}".format(e))
self.emitter.emit("recognizer_loop:no_internet")
except HTTPError as e:
if e.response.status_code == 401:
text = "pair my device" # phrase to start the pairing process
LOG.warning("Access Denied at mycroft.ai")
except Exception as e:
LOG.error(e)
LOG.error("Speech Recognition could not understand audio")
if text:
# STT succeeded, send the transcribed speech on for processing
LOG.error("maine samjha tune bola " + text)
tellMeMore = "tell me more"
if (text == tellMeMore):
#hotWordListener = self.finalHotWord
LOG.info("found tell me more in listener****")
#text = text + " about " + hotWordListener
with open("hotWordFile.txt", "rw+") as hotWordTemp:
prevHotWord = hotWordTemp.read()
hotWordTemp.truncate(0)
text = "tell me about " + prevHotWord
LOG.error(" naya wala maine samjha tune bola " + text)
payload = {
'utterances': [text],
'lang': self.stt.lang,
'session': SessionManager.get().session_id
}
self.emitter.emit("recognizer_loop:utterance", payload)
self.metrics.attr('utterances', [text])
def __speak(self, utterance):
payload = {
'utterance': utterance,
'session': SessionManager.get().session_id
}
self.emitter.emit("speak", payload)
class AudioConsumer(Thread):
"""
AudioConsumer
Consumes AudioData chunks off the queue
"""
# In seconds, the minimum audio size to be sent to remote STT
MIN_AUDIO_SIZE = 0.5
def __init__(self, state, queue, emitter, stt, wakeup_recognizer,
mycroft_recognizer):
super(AudioConsumer, self).__init__()
self.daemon = True
self.queue = queue
self.state = state
self.emitter = emitter
self.stt = stt
self.wakeup_recognizer = wakeup_recognizer
self.mycroft_recognizer = mycroft_recognizer
self.metrics = MetricsAggregator()
def run(self):
while self.state.running:
self.read()
def read(self):
audio = self.queue.get()
if self.state.sleeping:
self.wake_up(audio)
else:
self.process(audio)
# TODO: Localization
def wake_up(self, audio):
if self.wakeup_recognizer.is_recognized(audio.frame_data,
self.metrics):
SessionManager.touch()
self.state.sleeping = False
self.__speak("I'm awake.")
self.metrics.increment("mycroft.wakeup")
@staticmethod
def _audio_length(audio):
return float(len(
audio.frame_data)) / (audio.sample_rate * audio.sample_width)
# TODO: Localization
def process(self, audio):
SessionManager.touch()
payload = {
'utterance': self.mycroft_recognizer.key_phrase,
'session': SessionManager.get().session_id,
}
self.emitter.emit("recognizer_loop:wakeword", payload)
if self._audio_length(audio) < self.MIN_AUDIO_SIZE:
LOG.warn("Audio too short to be processed")
self.emitter.emit("recognizer_loop:tooshort", {})
elif connected():
self.transcribe(audio)
else:
self.__speak("Mycroft seems not to be connected to the Internet")
def transcribe(self, audio):
text = None
try:
print("aud: " + str((audio)))
initial = self.stt.execute(audio)
print("initial: " + initial)
text = initial.lower().strip()
LOG.debug("STT: " + text)
except sr.RequestError as e:
LOG.error("Could not request Speech Recognition {0}".format(e))
except HTTPError as e:
if e.response.status_code == 401:
text = "pair my device"
LOG.warn("Access Denied at mycroft.ai")
except Exception as e:
LOG.error(e)
LOG.error("Speech Recognition could not understand audio")
self.__speak("Sorry, I didn't catch that")
if text:
payload = {
'utterances': [text],
'session': SessionManager.get().session_id
}
self.emitter.emit("recognizer_loop:utterance", payload)
self.metrics.attr('utterances', [text])
def __speak(self, utterance):
print "going to speak " + utterance
payload = {
'utterance': utterance,
'session': SessionManager.get().session_id
}
self.emitter.emit("speak", Message("speak", payload))
class AudioConsumer(Thread):
"""
AudioConsumer
Consumes AudioData chunks off the queue
"""
# In seconds, the minimum audio size to be sent to remote STT
MIN_AUDIO_SIZE = 0.5
def __init__(self, state, queue, emitter, stt,
wakeup_recognizer, wakeword_recognizer):
super(AudioConsumer, self).__init__()
self.daemon = True
self.queue = queue
self.state = state
self.emitter = emitter
self.stt = stt
self.wakeup_recognizer = wakeup_recognizer
self.wakeword_recognizer = wakeword_recognizer
self.metrics = MetricsAggregator()
def run(self):
while self.state.running:
self.read()
def read(self):
try:
audio = self.queue.get(timeout=0.5)
except Empty:
return
if audio is None:
return
if self.state.sleeping:
self.wake_up(audio)
else:
self.process(audio)
# TODO: Localization
def wake_up(self, audio):
if self.wakeup_recognizer.found_wake_word(audio.frame_data):
SessionManager.touch()
self.state.sleeping = False
self.__speak(mycroft.dialog.get("i am awake", self.stt.lang))
self.metrics.increment("mycroft.wakeup")
@staticmethod
def _audio_length(audio):
return float(len(audio.frame_data)) / (
audio.sample_rate * audio.sample_width)
# TODO: Localization
def process(self, audio):
SessionManager.touch()
payload = {
'utterance': self.wakeword_recognizer.key_phrase,
'session': SessionManager.get().session_id,
}
self.emitter.emit("recognizer_loop:wakeword", payload)
if self._audio_length(audio) < self.MIN_AUDIO_SIZE:
LOG.warning("Audio too short to be processed")
else:
self.transcribe(audio)
def transcribe(self, audio):
text = None
try:
# Invoke the STT engine on the audio clip
text = self.stt.execute(audio).lower().strip()
LOG.debug("STT: " + text)
except sr.RequestError as e:
LOG.error("Could not request Speech Recognition {0}".format(e))
except ConnectionError as e:
LOG.error("Connection Error: {0}".format(e))
self.emitter.emit("recognizer_loop:no_internet")
except HTTPError as e:
if e.response.status_code == 401:
text = "pair my device" # phrase to start the pairing process
LOG.warning("Access Denied at mycroft.ai")
except Exception as e:
LOG.error(e)
LOG.error("Speech Recognition could not understand audio")
if text:
# STT succeeded, send the transcribed speech on for processing
payload = {
'utterances': [text],
'lang': self.stt.lang,
'session': SessionManager.get().session_id
}
self.emitter.emit("recognizer_loop:utterance", payload)
self.metrics.attr('utterances', [text])
def __speak(self, utterance):
payload = {
'utterance': utterance,
'session': SessionManager.get().session_id
}
self.emitter.emit("speak", payload)
class AudioConsumer(threading.Thread):
"""
AudioConsumer
Consumes AudioData chunks off the queue
"""
# In seconds, the minimum audio size to be sent to remote STT
MIN_AUDIO_SIZE = 0.5
def __init__(self, state, queue, emitter, wakeup_recognizer,
mycroft_recognizer, remote_recognizer):
threading.Thread.__init__(self)
self.daemon = True
self.queue = queue
self.state = state
self.emitter = emitter
self.wakeup_recognizer = wakeup_recognizer
self.mycroft_recognizer = mycroft_recognizer
self.remote_recognizer = remote_recognizer
self.metrics = MetricsAggregator()
def run(self):
while self.state.running:
self.read_audio()
@staticmethod
def _audio_length(audio):
return float(len(
audio.frame_data)) / (audio.sample_rate * audio.sample_width)
def read_audio(self):
audio_data = self.queue.get()
if self.state.sleeping:
self.try_wake_up(audio_data)
else:
self.process_audio(audio_data)
def try_wake_up(self, audio):
if self.wakeup_recognizer.is_recognized(audio.frame_data,
self.metrics):
SessionManager.touch()
self.state.sleeping = False
self.__speak("I'm awake.") # TODO: Localization
self.metrics.increment("mycroft.wakeup")
def process_audio(self, audio):
SessionManager.touch()
payload = {
'utterance': self.mycroft_recognizer.key_phrase,
'session': SessionManager.get().session_id,
}
self.emitter.emit("recognizer_loop:wakeword", payload)
try:
self.transcribe([audio])
except sr.UnknownValueError: # TODO: Localization
logger.warn("Speech Recognition could not understand audio")
# self.__speak("Sorry, I didn't catch that.")
def __speak(self, utterance):
payload = {
'utterance': utterance,
'session': SessionManager.get().session_id
}
self.emitter.emit("speak", Message("speak", metadata=payload))
def _create_remote_stt_runnable(self, audio, utterances):
def runnable():
try:
text = self.remote_recognizer.transcribe(
audio, metrics=self.metrics).lower()
except sr.UnknownValueError:
pass
except sr.RequestError as e:
logger.error(
"Could not request results from Speech Recognition "
"service; {0}".format(e))
except CerberusAccessDenied as e:
logger.error("AccessDenied from Cerberus proxy.")
self.__speak(
"Your device is not registered yet. To start pairing, "
"browse to cerberus dot mycroft dot A.I")
utterances.append("pair my device")
except Exception as e:
logger.error("Unexpected exception: {0}".format(e))
else:
logger.debug("STT: " + text)
if text.strip() != '':
utterances.append(text)
return runnable
def transcribe(self, audio_segments):
utterances = []
threads = []
if connected():
for audio in audio_segments:
if self._audio_length(audio) < self.MIN_AUDIO_SIZE:
logger.debug("Audio too short to send to STT")
continue
target = self._create_remote_stt_runnable(audio, utterances)
t = threading.Thread(target=target)
t.start()
threads.append(t)
for thread in threads:
thread.join()
if len(utterances) > 0:
payload = {
'utterances': utterances,
'session': SessionManager.get().session_id
}
self.emitter.emit("recognizer_loop:utterance", payload)
self.metrics.attr('utterances', utterances)
else:
raise sr.UnknownValueError
else: # TODO: Localization
# TODO: Enclosure virtualization (might not have a button)
self.__speak("This device is not connected to the Internet."
"Either plug in a network cable or hold the button"
" on top for two seconds, then select wifi from the "
"menu")
class AudioConsumer(threading.Thread):
"""
AudioConsumer
Consumes AudioData chunks off the queue
"""
# In seconds, the minimum audio size to be sent to remote STT
MIN_AUDIO_SIZE = 1.0
def __init__(self, state, queue, emitter, wakeup_recognizer,
wakeword_recognizer, wrapped_remote_recognizer,
wakeup_prefixes, wakeup_words):
threading.Thread.__init__(self)
self.daemon = True
self.queue = queue
self.state = state
self.emitter = emitter
self.wakeup_recognizer = wakeup_recognizer
self.ww_recognizer = wakeword_recognizer
self.wrapped_remote_recognizer = wrapped_remote_recognizer
self.wakeup_prefixes = wakeup_prefixes
self.wakeup_words = wakeup_words
self.metrics = MetricsAggregator()
def run(self):
while self.state.running:
self.try_consume_audio()
@staticmethod
def _audio_length(audio):
return float(len(
audio.frame_data)) / (audio.sample_rate * audio.sample_width)
def try_consume_audio(self):
timer = Stopwatch()
hyp = None
audio = self.queue.get()
self.metrics.timer("mycroft.recognizer.audio.length_s",
self._audio_length(audio))
self.queue.task_done()
timer.start()
if self.state.sleeping:
hyp = self.wakeup_recognizer.transcribe(audio.get_wav_data(),
metrics=self.metrics)
if hyp and hyp.hypstr:
logger.debug("sleeping recognition: " + hyp.hypstr)
if hyp and hyp.hypstr.lower().find("wake up") >= 0:
SessionManager.touch()
self.state.sleeping = False
self.__speak("I'm awake.") # TODO: Localization
self.metrics.increment("mycroft.wakeup")
else:
if not self.state.skip_wakeword:
hyp = self.ww_recognizer.transcribe(audio.get_wav_data(),
metrics=self.metrics)
if hyp and hyp.hypstr.lower().find("mycroft") >= 0:
extractor = WakewordExtractor(audio, self.ww_recognizer,
self.metrics)
timer.lap()
extractor.calculate_range()
self.metrics.timer("mycroft.recognizer.extractor.time_s",
timer.lap())
audio_before = extractor.get_audio_data_before()
self.metrics.timer(
"mycroft.recognizer.audio_extracted.length_s",
self._audio_length(audio_before))
audio_after = extractor.get_audio_data_after()
self.metrics.timer(
"mycroft.recognizer.audio_extracted.length_s",
self._audio_length(audio_after))
SessionManager.touch()
payload = {
'utterance': hyp.hypstr,
'session': SessionManager.get().session_id,
'pos_begin': int(extractor.range.begin),
'pos_end': int(extractor.range.end)
}
self.emitter.emit("recognizer_loop:wakeword", payload)
try:
self.transcribe([audio_before, audio_after])
except sr.UnknownValueError:
self.__speak("Go ahead")
self.state.skip_wakeword = True
self.metrics.increment("mycroft.wakeword")
elif self.state.skip_wakeword:
SessionManager.touch()
try:
self.transcribe([audio])
except sr.UnknownValueError:
logger.warn(
"Speech Recognition could not understand audio")
self.__speak("Sorry, I didn't catch that.")
self.metrics.increment("mycroft.recognizer.error")
self.state.skip_wakeword = False
else:
self.metrics.clear()
self.metrics.flush()
def __speak(self, utterance):
"""
Speak commands should be asynchronous to avoid filling up the
portaudio buffer.
:param utterance:
:return:
"""
def target():
self.emitter.emit(
"speak",
Message("speak",
metadata={
'utterance': utterance,
'session': SessionManager.get().session_id
}))
threading.Thread(target=target).start()
def _create_remote_stt_runnable(self, audio, utterances):
def runnable():
try:
text = self.wrapped_remote_recognizer.transcribe(
audio, metrics=self.metrics).lower()
except sr.UnknownValueError:
pass
except sr.RequestError as e:
logger.error(
"Could not request results from Speech Recognition "
"service; {0}".format(e))
except CerberusAccessDenied as e:
logger.error("AccessDenied from Cerberus proxy.")
self.__speak(
"Your device is not registered yet. To start pairing, "
"login at cerberus.mycroft.ai")
utterances.append("pair my device")
else:
logger.debug("STT: " + text)
if text.strip() != '':
utterances.append(text)
return runnable
def transcribe(self, audio_segments):
utterances = []
threads = []
for audio in audio_segments:
if self._audio_length(audio) < self.MIN_AUDIO_SIZE:
logger.debug("Audio too short to send to STT")
continue
target = self._create_remote_stt_runnable(audio, utterances)
t = threading.Thread(target=target)
t.start()
threads.append(t)
for thread in threads:
thread.join()
if len(utterances) > 0:
payload = {
'utterances': utterances,
'session': SessionManager.get().session_id
}
self.emitter.emit("recognizer_loop:utterance", payload)
self.metrics.attr('utterances', utterances)
else:
raise sr.UnknownValueError
class AudioConsumer(threading.Thread):
"""
AudioConsumer
Consumes AudioData chunks off the queue
"""
# In seconds, the minimum audio size to be sent to remote STT
MIN_AUDIO_SIZE = 1.0
def __init__(
self, state, queue, emitter, wakeup_recognizer,
wakeword_recognizer, wrapped_remote_recognizer, wakeup_prefixes,
wakeup_words):
threading.Thread.__init__(self)
self.daemon = True
self.queue = queue
self.state = state
self.emitter = emitter
self.wakeup_recognizer = wakeup_recognizer
self.ww_recognizer = wakeword_recognizer
self.wrapped_remote_recognizer = wrapped_remote_recognizer
self.wakeup_prefixes = wakeup_prefixes
self.wakeup_words = wakeup_words
self.metrics = MetricsAggregator()
def run(self):
while self.state.running:
self.try_consume_audio()
@staticmethod
def _audio_length(audio):
return float(
len(audio.frame_data))/(audio.sample_rate*audio.sample_width)
def try_consume_audio(self):
timer = Stopwatch()
hyp = None
audio = self.queue.get()
self.metrics.timer(
"mycroft.recognizer.audio.length_s", self._audio_length(audio))
self.queue.task_done()
timer.start()
if self.state.sleeping:
hyp = self.wakeup_recognizer.transcribe(
audio.get_wav_data(), metrics=self.metrics)
if hyp and hyp.hypstr:
logger.debug("sleeping recognition: " + hyp.hypstr)
if hyp and hyp.hypstr.lower().find("wake up") >= 0:
SessionManager.touch()
self.state.sleeping = False
self.__speak("I'm awake.") # TODO: Localization
self.metrics.increment("mycroft.wakeup")
else:
if not self.state.skip_wakeword:
hyp = self.ww_recognizer.transcribe(
audio.get_wav_data(), metrics=self.metrics)
if hyp and hyp.hypstr.lower().find("mycroft") >= 0:
extractor = WakewordExtractor(
audio, self.ww_recognizer, self.metrics)
timer.lap()
extractor.calculate_range()
self.metrics.timer(
"mycroft.recognizer.extractor.time_s", timer.lap())
audio_before = extractor.get_audio_data_before()
self.metrics.timer(
"mycroft.recognizer.audio_extracted.length_s",
self._audio_length(audio_before))
audio_after = extractor.get_audio_data_after()
self.metrics.timer(
"mycroft.recognizer.audio_extracted.length_s",
self._audio_length(audio_after))
SessionManager.touch()
payload = {
'utterance': hyp.hypstr,
'session': SessionManager.get().session_id,
'pos_begin': int(extractor.range.begin),
'pos_end': int(extractor.range.end)
}
self.emitter.emit("recognizer_loop:wakeword", payload)
try:
self.transcribe([audio_before, audio_after])
except sr.UnknownValueError:
self.__speak("Go ahead")
self.state.skip_wakeword = True
self.metrics.increment("mycroft.wakeword")
elif self.state.skip_wakeword:
SessionManager.touch()
try:
self.transcribe([audio])
except sr.UnknownValueError:
logger.warn(
"Speech Recognition could not understand audio")
self.__speak("Sorry, I didn't catch that.")
self.metrics.increment("mycroft.recognizer.error")
self.state.skip_wakeword = False
else:
self.metrics.clear()
self.metrics.flush()
def __speak(self, utterance):
"""
Speak commands should be asynchronous to avoid filling up the
portaudio buffer.
:param utterance:
:return:
"""
def target():
self.emitter.emit(
"speak",
Message("speak",
metadata={'utterance': utterance,
'session': SessionManager.get().session_id}))
threading.Thread(target=target).start()
def _create_remote_stt_runnable(self, audio, utterances):
def runnable():
try:
text = self.wrapped_remote_recognizer.transcribe(
audio, metrics=self.metrics).lower()
except sr.UnknownValueError:
pass
except sr.RequestError as e:
logger.error(
"Could not request results from Speech Recognition "
"service; {0}".format(e))
except CerberusAccessDenied as e:
logger.error("AccessDenied from Cerberus proxy.")
self.__speak(
"Your device is not registered yet. To start pairing, "
"login at cerberus.mycroft.ai")
utterances.append("pair my device")
else:
logger.debug("STT: " + text)
if text.strip() != '':
utterances.append(text)
return runnable
def transcribe(self, audio_segments):
utterances = []
threads = []
for audio in audio_segments:
if self._audio_length(audio) < self.MIN_AUDIO_SIZE:
logger.debug("Audio too short to send to STT")
continue
target = self._create_remote_stt_runnable(audio, utterances)
t = threading.Thread(target=target)
t.start()
threads.append(t)
for thread in threads:
thread.join()
if len(utterances) > 0:
payload = {
'utterances': utterances,
'session': SessionManager.get().session_id
}
self.emitter.emit("recognizer_loop:utterance", payload)
self.metrics.attr('utterances', utterances)
else:
raise sr.UnknownValueError
class AudioConsumer(Thread):
"""
AudioConsumer
Consumes AudioData chunks off the queue
"""
# In seconds, the minimum audio size to be sent to remote STT
MIN_AUDIO_SIZE = 0.5
def __init__(self, state, queue, emitter, stt,
wakeup_recognizer, wakeword_recognizer):
super(AudioConsumer, self).__init__()
self.daemon = True
self.queue = queue
self.state = state
self.emitter = emitter
self.stt = stt
self.wakeup_recognizer = wakeup_recognizer
self.wakeword_recognizer = wakeword_recognizer
self.metrics = MetricsAggregator()
def run(self):
while self.state.running:
self.read()
def read(self):
try:
audio = self.queue.get(timeout=0.5)
except Empty:
return
if audio is None:
return
if self.state.sleeping:
self.wake_up(audio)
else:
self.process(audio)
# TODO: Localization
def wake_up(self, audio):
if self.wakeup_recognizer.found_wake_word(audio.frame_data):
SessionManager.touch()
self.state.sleeping = False
self.emitter.emit('recognizer_loop:awoken')
self.metrics.increment("mycroft.wakeup")
@staticmethod
def _audio_length(audio):
return float(len(audio.frame_data)) / (
audio.sample_rate * audio.sample_width)
# TODO: Localization
def process(self, audio):
SessionManager.touch()
payload = {
'utterance': self.wakeword_recognizer.key_phrase,
'session': SessionManager.get().session_id,
}
self.emitter.emit("recognizer_loop:wakeword", payload)
if self._audio_length(audio) < self.MIN_AUDIO_SIZE:
LOG.warning("Audio too short to be processed")
else:
stopwatch = Stopwatch()
with stopwatch:
transcription = self.transcribe(audio)
if transcription:
ident = str(stopwatch.timestamp) + str(hash(transcription))
# STT succeeded, send the transcribed speech on for processing
payload = {
'utterances': [transcription],
'lang': self.stt.lang,
'session': SessionManager.get().session_id,
'ident': ident
}
self.emitter.emit("recognizer_loop:utterance", payload)
self.metrics.attr('utterances', [transcription])
else:
ident = str(stopwatch.timestamp)
# Report timing metrics
report_timing(ident, 'stt', stopwatch,
{'transcription': transcription,
'stt': self.stt.__class__.__name__})
def transcribe(self, audio):
try:
# Invoke the STT engine on the audio clip
text = self.stt.execute(audio).lower().strip()
LOG.debug("STT: " + text)
return text
except sr.RequestError as e:
LOG.error("Could not request Speech Recognition {0}".format(e))
except ConnectionError as e:
LOG.error("Connection Error: {0}".format(e))
self.emitter.emit("recognizer_loop:no_internet")
except HTTPError as e:
if e.response.status_code == 401:
LOG.warning("Access Denied at mycroft.ai")
return "pair my device" # phrase to start the pairing process
else:
LOG.error(e.__class__.__name__ + ': ' + str(e))
except RequestException as e:
LOG.error(e.__class__.__name__ + ': ' + str(e))
except Exception as e:
self.emitter.emit('recognizer_loop:speech.recognition.unknown')
if isinstance(e, IndexError):
LOG.info('no words were transcribed')
else:
LOG.error(e)
LOG.error("Speech Recognition could not understand audio")
return None
if connected():
dialog_name = 'backend.down'
else:
dialog_name = 'not connected to the internet'
self.emitter.emit('speak', {'utterance': dialog.get(dialog_name)})
def __speak(self, utterance):
payload = {
'utterance': utterance,
'session': SessionManager.get().session_id
}
self.emitter.emit("speak", payload)
