Yihui Xiong

When using `sudo` to run the example, you should install `pixel_ring` with `sudo`. ``` sudo pip install pixel-ring ```

Which device do you use? If you use ReSpeaker USB Mic Array V2 (4 Mic), use https://github.com/respeaker/usb_4_mic_array instead

Does the computer recognize the usb device? We can use `lsusb` to check

If you are using pi zero, the .whl would not word. then try to run `pip install webrtc-audio-processing`

The offline example only recognizes three keyword. It's in https://github.com/respeaker/respeaker_python_library/blob/master/respeaker/pocketsphinx-data/keywords.txt You can add new words to `keywords.txt` and `dictionary.txt`. You can find the words in https://github.com/respeaker/pocketsphinx-data/blob/master/dictionary.txt

Do your computer recognize the usb sound card? You can use `lsusb` to check. The usb mic array may already contains 6 channels firmware. You can use audacity to check...

You can use google speech api via speech-recognition library. See https://github.com/respeaker/get_started_with_respeaker/wiki/Use-speech_recognition-python-library

You are right. The `record()` is not implemented. I will try to get it work

Just add some code to implement the function. It should work. See https://github.com/respeaker/respeaker_python_library/blob/master/respeaker/microphone.py#L340

Did you use bing speech api? It seems your bing key is not invalid.