如何解决如何在 macOS 上使用语音识别模块修复“OSError: [Errno -9986] Internal PortAudio error”?
我试图在 macOS 上使用 python 构建语音到文本识别(请不要在此处发布对 Windows 设备的建议)。
我正在尝试使用 SpeechRecognition 示例代码并开发我的应用程序,但每次尝试运行代码时,我都会收到以下错误:
操作系统错误:[Errno -9986] 内部端口音频错误
我已经安装了 PortAudio
brew install portaudio
和 PyAudio 以及
pip3 install pyaudio
。
示例代码如下:
import speech_recognition as sr
# obtain audio from the microphone
r = sr.Recognizer()
with sr.Microphone() as source:
print("Say something!")
audio = r.listen(source)
# 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 " + r.recognize_google(audio))
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))
这是错误信息的回溯:
||PaMacCore (AUHAL)|| Error on line 1277: err='-66748',msg=Unknown Error
---------------------------------------------------------------------------
OSError Traceback (most recent call last)
<ipython-input-1-a97bf104167b> in <module>
3 # obtain audio from the microphone
4 r = sr.Recognizer()
----> 5 with sr.Microphone() as source:
6 print("Say something!")
7 audio = r.listen(source)
/usr/local/lib/python3.9/site-packages/speech_recognition/__init__.py in __enter__(self)
136 try:
137 self.stream = Microphone.MicrophoneStream(
--> 138 self.audio.open(
139 input_device_index=self.device_index,channels=1,140 format=self.format,rate=self.SAMPLE_RATE,frames_per_buffer=self.CHUNK,/usr/local/lib/python3.9/site-packages/pyaudio.py in open(self,*args,**kwargs)
748 """
749
--> 750 stream = Stream(self,**kwargs)
751 self._streams.add(stream)
752 return stream
/usr/local/lib/python3.9/site-packages/pyaudio.py in __init__(self,PA_manager,rate,channels,format,input,output,input_device_index,output_device_index,frames_per_buffer,start,input_host_api_specific_stream_info,output_host_api_specific_stream_info,stream_callback)
439
440 # calling pa.open returns a stream object
--> 441 self._stream = pa.open(**arguments)
442
443 self._input_latency = self._stream.inputLatency
OSError: [Errno -9986] Internal PortAudio error
解决方法
尝试以下操作:
- brew 卸载 portaudio
- brew install portaudio --HEAD
这对我有用。我从这个 Github 问题中得到它:https://github.com/spatialaudio/python-sounddevice/issues/299
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