我正在尝试使用Raspberry Pi构建Google助手。我正在使用raspberry Pi 3 B +。我按照下面的链接进行构建
https://www.hackster.io/Salmanfarisvp/googlepi-google-assistant-on-raspberry-pi-9f3677
我照着看了本教程。但是在最后一步，当我发出以下命令时
python -m googlesamples.assistant.grpc.pushtotalk
我遇到以下错误
INFO:root:Connecting to embeddedassistant.googleapis.com
Traceback (most recent call last):
File "/usr/lib/python3.5/runpy.py", line 193, in _run_module_as_main
"__main__", mod_spec)
File "/usr/lib/python3.5/runpy.py", line 85, in _run_code
exec(code, run_globals)
File "/home/pi/env/lib/python3.5/site-packages/googlesamples/assistant/grpc/pushtotalk.py", line 469, in <module>
main()
File "/home/pi/env/lib/python3.5/site-packages/click/core.py", line 722, in __call__
return self.main(*args, **kwargs)
File "/home/pi/env/lib/python3.5/site-packages/click/core.py", line 697, in main
rv = self.invoke(ctx)
File "/home/pi/env/lib/python3.5/site-packages/click/core.py", line 895, in invoke
return ctx.invoke(self.callback, **ctx.params)
File "/home/pi/env/lib/python3.5/site-packages/click/core.py", line 535, in invoke
return callback(*args, **kwargs)
File "/home/pi/env/lib/python3.5/site-packages/googlesamples/assistant/grpc/pushtotalk.py", line 351, in main
flush_size=audio_flush_size
File "/home/pi/env/lib/python3.5/site-packages/googlesamples/assistant/grpc/audio_helpers.py", line 190, in __init__
blocksize=int(block_size/2), # blocksize is in number of frames.
File "/home/pi/env/lib/python3.5/site-packages/sounddevice.py", line 1263, in __init__
**_remove_self(locals()))
File "/home/pi/env/lib/python3.5/site-packages/sounddevice.py", line 779, in __init__
'Error opening {0}'.format(self.__class__.__name__))
File "/home/pi/env/lib/python3.5/site-packages/sounddevice.py", line 2571, in _check
raise PortAudioError(errormsg, err)
sounddevice.PortAudioError: Error opening RawStream: Invalid sample rate [PaErrorCode -9997]
请帮助解决此问题