This document discusses a 3D depth sensor that uses an RGB camera and multi-array microphone. The depth sensor uses an RGB camera to capture images and a four microphone array with hardware audio processing capabilities like echo cancellation, sound position tracking, and noise suppression to process sound.
13. Four microphone array
with hardware-based
audio processing
– Multichannel echo cancellation (MEC)
– Sound position tracking
– Other digital signal processing (noise suppression
and reduction)