Moved audio thresholding to separate method. Simplified ``AudioRingBuffer`` by reading the last block directly from the ringbuffer instead of using a separate, smaller ringbuffer for simultaneous storage.
Moved audio thresholding to separate method. Simplified ``AudioRingBuffer`` by reading the last block directly from the ringbuffer instead of using a separate, smaller ringbuffer for simultaneous storage.

laporte-m/muser