Brief Description of all available audio demos Chorus Effects: Chorus Effect with Feedback Chorusing effect simulating 2 voices/musical instruments (SPORT1 Rx ISR count & update method - delay calculation determined by a counter incremented in the serial port's audio processing routine). Stereo Chorus with Feedback Stereo chorusing effect simulating 3 voices/musical instruments (SPORT1 Rx ISR count & update method - delay calculation determined by a counter incremented in the serial port's audio processing routin e).