如何解决Python SpeechRecognition 没有响应
如果我使用现场麦克风,SpeechRecognition 不会给出响应。
我已经使用 python3 -m pip install 成功安装了 SpeechRecognition 库和 PyAudio ... 我正在虚拟环境中使用 RaspBerry Pi Zero: 蟒蛇 3.7.3 点子 21.0.1
我正在使用 Adafruit I2S MEMS Microphone Breakout 并且能够使用以下方法成功录制:
arecord -D plughw:1 -c1 -r 48000 -f S32_LE -t wav -V mono -v file.wav
当我将其保存在文件 (file.wav) 中并使用以下代码时,语音识别器就可以工作了:
import speech_recognition as sr
r = sr.Recognizer()
with sr.AudioFile('file.wav') as source:
audio = r.record(source)
try:
print("You said: " + r.recognize_google(audio))
except sr.UnkNowValueError:
print("Sorry,Could not understand audio")
except sr.RequestError as e:
print("Could not request results from Google Speech Recognition service; {0}".format(e))
但是当我想使用以下代码进行实时语音识别时:
import speech_recognition as sr
r = sr.Recognizer()
with sr.Microphone(1) as source:
print("Say something!")
audio = r.listen(source)
try:
print("You said: " + r.recognize_google(audio))
except sr.UnkNowValueError:
print("Sorry,Could not understand audio")
except sr.RequestError as e:
print("Could not request results from Google Speech Recognition service; {0}".format(e))
ALSA lib pcm.c:2565:(snd_pcm_open_noupdate) UnkNown PCM cards.pcm.front
ALSA lib pcm.c:2565:(snd_pcm_open_noupdate) UnkNown PCM cards.pcm.rear
ALSA lib pcm.c:2565:(snd_pcm_open_noupdate) UnkNown PCM cards.pcm.center_lfe
ALSA lib pcm.c:2565:(snd_pcm_open_noupdate) UnkNown PCM cards.pcm.side
ALSA lib pcm.c:2565:(snd_pcm_open_noupdate) UnkNown PCM cards.pcm.surround21
ALSA lib pcm.c:2565:(snd_pcm_open_noupdate) UnkNown PCM cards.pcm.surround21
ALSA lib pcm.c:2565:(snd_pcm_open_noupdate) UnkNown PCM cards.pcm.surround40
ALSA lib pcm.c:2565:(snd_pcm_open_noupdate) UnkNown PCM cards.pcm.surround41
ALSA lib pcm.c:2565:(snd_pcm_open_noupdate) UnkNown PCM cards.pcm.surround50
ALSA lib pcm.c:2565:(snd_pcm_open_noupdate) UnkNown PCM cards.pcm.surround51
ALSA lib pcm.c:2565:(snd_pcm_open_noupdate) UnkNown PCM cards.pcm.surround71
ALSA lib pcm.c:2565:(snd_pcm_open_noupdate) UnkNown PCM cards.pcm.iec958
ALSA lib pcm.c:2565:(snd_pcm_open_noupdate) UnkNown PCM cards.pcm.iec958
ALSA lib pcm.c:2565:(snd_pcm_open_noupdate) UnkNown PCM cards.pcm.iec958
ALSA lib pcm.c:2565:(snd_pcm_open_noupdate) UnkNown PCM cards.pcm.hdmi
ALSA lib pcm.c:2565:(snd_pcm_open_noupdate) UnkNown PCM cards.pcm.hdmi
ALSA lib pcm.c:2565:(snd_pcm_open_noupdate) UnkNown PCM cards.pcm.modem
ALSA lib pcm.c:2565:(snd_pcm_open_noupdate) UnkNown PCM cards.pcm.modem
ALSA lib pcm.c:2565:(snd_pcm_open_noupdate) UnkNown PCM cards.pcm.phoneline
ALSA lib pcm.c:2565:(snd_pcm_open_noupdate) UnkNown PCM cards.pcm.phoneline
Cannot connect to server socket err = No such file or directory
Cannot connect to server request channel
jack server is not running or cannot be started
JackShmReadWritePtr::~JackShmReadWritePtr - Init not done for -1,skipping unlock
JackShmReadWritePtr::~JackShmReadWritePtr - Init not done for -1,skipping unlock
Cannot connect to server socket err = No such file or directory
Cannot connect to server request channel
jack server is not running or cannot be started
JackShmReadWritePtr::~JackShmReadWritePtr - Init not done for -1,skipping unlock
ALSA lib pcm_oss.c:377:(_snd_pcm_oss_open) UnkNown field port
ALSA lib pcm_oss.c:377:(_snd_pcm_oss_open) UnkNown field port
ALSA lib pcm_a52.c:823:(_snd_pcm_a52_open) a52 is only for playback
ALSA lib conf.c:5014:(snd_config_expand) UnkNown parameters {AES0 0x6 AES1 0x82 AES2 0x0 AES3 0x2 CARD 0}
ALSA lib pcm.c:2565:(snd_pcm_open_noupdate) UnkNown PCM iec958:{AES0 0x6 AES1 0x82 AES2 0x0 AES3 0x2 CARD 0}
ALSA lib pcm_usb_stream.c:486:(_snd_pcm_usb_stream_open) Invalid type for card
ALSA lib pcm_usb_stream.c:486:(_snd_pcm_usb_stream_open) Invalid type for card
Cannot connect to server socket err = No such file or directory
Cannot connect to server request channel
jack server is not running or cannot be started
JackShmReadWritePtr::~JackShmReadWritePtr - Init not done for -1,skipping unlock
Say something!
当我在一段时间后按 ^C 时,因为没有发生任何事情,会添加以下位:
^CTraceback (most recent call last):
File "srwm.py",line 6,in <module>
audio = r.listen(source)
File "/home/pi/.virtualenvs/pythonyt/lib/python3.7/site-packages/speech_recognition/__init__.py",line 620,in listen
buffer = source.stream.read(source.CHUNK)
File "/home/pi/.virtualenvs/pythonyt/lib/python3.7/site-packages/speech_recognition/__init__.py",line 161,in read
return self.pyaudio_stream.read(size,exception_on_overflow=False)
File "/home/pi/.virtualenvs/pythonyt/lib/python3.7/site-packages/pyaudio.py",line 608,in read
return pa.read_stream(self._stream,num_frames,exception_on_overflow)
KeyboardInterrupt
如果需要更多信息,请告诉我。 我希望有真正聪明的人可以帮助我,在此先感谢!
第一次回答后的新代码:
import speech_recognition as sr
r = sr.Recognizer()
with sr.Microphone(1) as source:
print("Say something!")
audio = r.listen(source)
data = ""
try:
data = r.recognize_google(audio)
print("You said: " + data)
except sr.UnkNownValueError:
print("Sorry,Could not understand audio")
except sr.RequestError as e:
print("Could not request results from Google Speech Recognition service; {0}".format(e))
return data
解决方法
我猜问题出在将语音翻译成文本的部分...试试这个:
data = ""
try:
data = r.recognize_google(audio)
print("You said: " + data)
except sr.UnknownValueError:
print("Sorry,could not understand audio")
except sr.RequestError as e:
print("Could not request results from Google Speech Recognition service; {0}".format(e))
return data
我猜这是可以工作的完整代码:
import speech_recognition as sr
def Recognize():
r = sr.Recognizer()
with sr.Microphone(1) as source:
print("Say something!")
audio = r.listen(source)
data = ""
try:
data = r.recognize_google(audio)
print("You said: " + data)
except Exception as e:
print("Sorry,could not understand audio")
print(e)
return data
if __name__=="__main__":
data = Recognize().lower()
print(data)
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