3 examples of 'speech_recognition' in Python

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249def recog(self, utterance_id):
250 context = rospy.get_param(self.node_name + '/speech_context', [])
251 path = self.utterance_file(utterance_id)
252
253 with io.open(path, 'rb') as audio_file:
254 content = audio_file.read()
255
256 audio = types.RecognitionAudio(content=content)
257 config = types.RecognitionConfig(
258 encoding=enums.RecognitionConfig.AudioEncoding.LINEAR16,
259 sample_rate_hertz=self.sample_rate,
260 language_code='en-US',
261 enable_automatic_punctuation=True)
262
263 # TODO: figure out what the difference is between async and sync recog and how to use them
264 if self.async:
265 operation = self.speech_client.long_running_recognize(config, audio)
266 op_result = operation.result()
267 for result in op_result.results:
268 for alternative in result.alternatives:
269 print(alternative)
270 return alternative.transcript, alternative.confidence
271 else:
272 try:
273 # print("hi")
274 response = self.speech_client.recognize(config, audio)
275 if response.results is not None:
276 for result in response.results:
277 # print(result)
278 # print(u'Transcript: {}'.format(result.alternatives[0].transcript))
279 # print(u'Confidence: {}'.format(result.alternatives[0].confidence))
280 if result.alternatives[0].transcript is not None:
281 print(result.alternatives[0])
282 return result.alternatives[0].transcript, result.alternatives[0].confidence
283 else:
284 print("Try speaking again")
285 except Exception as e:
286 rospy.logerr("Some kind of error: {}".format(e))
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26def test_google_french(self):
27 r = sr.Recognizer()
28 with sr.AudioFile(self.AUDIO_FILE_FR) as source: audio = r.record(source)
29 self.assertEqual(r.recognize_google(audio, language="fr-FR"), u"et c'est la dictée numéro 1")
31def test_google_chinese(self):
32 r = sr.Recognizer()
33 with sr.AudioFile(self.AUDIO_FILE_ZH) as source: audio = r.record(source)
34 self.assertEqual(r.recognize_google(audio, language="zh-CN"), u"砸自己的脚")

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