如何解决在树莓派零 w
我在 RaspBerry Pi Zero W 上使用 Adafruit Voice Bonnet 并尝试在其上运行 Google Assistant。
我已按照以下步骤设置 Bonnet https://cdn-learn.adafruit.com/downloads/pdf/adafruit-voice-bonnet.pdf?timestamp=1614510346
我已按照以下步骤设置助手 https://cdn-learn.adafruit.com/downloads/pdf/using-google-assistant-on-the-braincraft-hat.pdf?timestamp=1614510348,并检查我是否遵循 Google 自己的文档 https://developers.google.com/assistant/sdk/guides/service/python
扬声器和麦克风的测试都通过了(我可以用麦克风录音,用扬声器播放声音)
当我尝试使用我的设备和项目 ID 运行 googlesamples-assistant-pushtotalk
时 - 它能够打印出我提出的问题(例如 INFO:root:Transcript of user request: "what is the time".
)并停止录制。
但是,在尝试播放助手响应后,我收到此错误日志
INFO:root:Playing assistant response.
Expression 'alsa_snd_pcm_poll_descriptors_revents( self->pcm,pfds,self->nfds,&revents )' Failed in 'src/hostapi/alsa/pa_linux_alsa.c',line: 3659
Expression 'PaAlsaStreamComponent_EndPolling( &self->playback,playbackPfds,&pollPlayback,&xrun )' Failed in 'src/hostapi/alsa/pa_linux_alsa.c',line: 3880
Expression 'PaAlsaStream_WaitForFrames( stream,&framesAvail,line: 4477
Traceback (most recent call last):
File "/home/pi/env/bin/googlesamples-assistant-pushtotalk",line 8,in <module>
sys.exit(main())
File "/home/pi/env/lib/python3.7/site-packages/click/core.py",line 722,in __call__
return self.main(*args,**kwargs)
File "/home/pi/env/lib/python3.7/site-packages/click/core.py",line 697,in main
rv = self.invoke(ctx)
File "/home/pi/env/lib/python3.7/site-packages/click/core.py",line 895,in invoke
return ctx.invoke(self.callback,**ctx.params)
File "/home/pi/env/lib/python3.7/site-packages/click/core.py",line 535,in invoke
return callback(*args,**kwargs)
File "/home/pi/env/lib/python3.7/site-packages/googlesamples/assistant/grpc/pushtotalk.py",line 458,in main
continue_conversation = assistant.assist()
File "/home/pi/env/lib/python3.7/site-packages/tenacity/__init__.py",line 241,in wrapped_f
return self.call(f,*args,**kw)
File "/home/pi/env/lib/python3.7/site-packages/tenacity/__init__.py",line 330,in call
start_time=start_time)
File "/home/pi/env/lib/python3.7/site-packages/tenacity/__init__.py",line 279,in iter
return fut.result()
File "/usr/lib/python3.7/concurrent/futures/_base.py",line 425,in result
return self.__get_result()
File "/usr/lib/python3.7/concurrent/futures/_base.py",line 384,in __get_result
raise self._exception
File "/home/pi/env/lib/python3.7/site-packages/tenacity/__init__.py",line 333,in call
result = fn(*args,line 154,in assist
self.conversation_stream.write(resp.audio_out.audio_data)
File "/home/pi/env/lib/python3.7/site-packages/googlesamples/assistant/grpc/audio_helpers.py",line 327,in write
return self._sink.write(buf)
File "/home/pi/env/lib/python3.7/site-packages/googlesamples/assistant/grpc/audio_helpers.py",line 206,in write
underflow = self._audio_stream.write(buf)
File "/home/pi/env/lib/python3.7/site-packages/sounddevice.py",line 1325,in write
_check(err)
File "/home/pi/env/lib/python3.7/site-packages/sounddevice.py",line 2736,in _check
raise PortAudioError(errormsg,err,hosterror_info)
sounddevice.PortAudioError: Unanticipated host error [PaErrorCode -9999]: 'Input/output error' [ALSA error -5]
我的.asoundrc文件如下
pcm.!default {
type asym
capture.pcm "mic"
playback.pcm "speaker"
}
pcm.mic {
type plug
slave {
pcm "hw:0,0"
rate 16000
}
}
pcm.speaker {
type plug
slave {
pcm "hw:0,0"
rate 16000
}
}
(匹配麦克风和扬声器的设备和卡槽)
我是 python 和 raspBerry pi 的新手,所以我不知道从哪里开始,除了我可以从日志中看到错误是由 https://github.com/spatialaudio/python-sounddevice/blob/f063cd1b427b90907a671a7be4427f6c2290914c/sounddevice.py#L1325 抛出的(我认为?)
此处由 Google 助理 audio_helpers.py 调用:https://github.com/googlesamples/assistant-sdk-python/blob/ce76c508fdf07667849689e01a294db2c6e1a674/google-assistant-sdk/googlesamples/assistant/grpc/audio_helpers.py#L206
如果有人有任何想法,我将非常感谢您的帮助!
版权声明:本文内容由互联网用户自发贡献,该文观点与技术仅代表作者本人。本站仅提供信息存储空间服务,不拥有所有权,不承担相关法律责任。如发现本站有涉嫌侵权/违法违规的内容, 请发送邮件至 dio@foxmail.com 举报,一经查实,本站将立刻删除。