Wake_word_command (with no pauses or confirmations) about rhasspy3 HOT 2 CLOSED

@kha84 This is exactly how Rhasspy 3 functions, actually 🙂

Audio recorded during wake word detection is kept into a deque with some maximum length (a ring buffer).
When the wake word is detected, this buffer is fed into the speech to text system and then audio chunks are streamed simultaneously to speech to text and silence detection.

There is a timestamp associated with each audio chunk, and I use this in the mic record sample script to rewind the ring buffer and find the closest audio chunk to an event (in this case, VAD). I may add this to the default audio pipeline as well, since it would be more accurate than just dumping the entire ring buffer into ASR.

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@synesthesiam Awesome! You're miles ahead of me. I'll go play with Rhasspy 3 immediately

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