來自recognise_google的UnknownValueError結果

我不明白爲什麼我在進行語音識別時遇到這個錯誤，它工作了一段時間，然後彈出這個錯誤。來自recognise_google的UnknownValueError結果

回溯（最近通話最後一個）：文件「C：/Python27/new4.py」 46行，在 mainfunction（源）文件「C：/Python27/new4.py」，第27行， in mainfunction user = r.recognize_google（audio）文件「C：\ Python27 \ lib \ site-packages \ speech_recognition__init __。py」，第780行，如果不是isinstance（actual_result，dict）或len（actual_result.get （「替代」，[]））== 0：提高UnknownValueError（） UnknownValueError

def mainfunction(source): 
    audio = r.listen(source) 
    user = r.recognize_google(audio) 

    # recognize speech using Google Speech Recognition 
    try: 
     # for testing purposes, we're just using the default API key 
     # to use another API key, use `r.recognize_google(audio, key="GOOGLE_SPEECH_RECOGNITION_API_KEY")` 
     # instead of `r.recognize_google(audio)` 
     print("Google Speech Recognition thinks you said " + user) 
    except sr.UnknownValueError: 
     print("Google Speech Recognition could not understand audio") 
    except sr.RequestError as e: 
     print("Could not request results from Google Speech Recognition service; {0}".format(e)) 



if __name__ == "__main__": 
    r = sr.Recognizer() 
    with sr.Microphone() as source: 
     while 1: 
      mainfunction(source)

來源

2017-09-01 user3289968

移動的線「用戶= r.rec ognize_google（音頻）「放入try塊

來源

2017-09-01 19:13:29 user3289968

來自recognise_google的UnknownValueError結果

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