Patent ID: 9294860
Filing Date: 2016-03-22
CPC Classification: G10L,H04R

Claim Text:
1. An audio device, comprising: a housing; a speaker to generate output audio; multiple microphones to produce input audio signals; one or more audio beamformers configured to produce multiple directional audio signals from the input audio signals, wherein each of the directional audio signals potentially contains one or more acoustic echoes of the output audio, and wherein each of the directional audio signals emphasizes sound received from a corresponding direction relative to the audio device; one or more visual indicators, the one or more visual indicators being controllable to visually indicate different directions relative to the audio device; one or more acoustic echo cancellers configured to cancel the one or more acoustic echoes from the directional audio signals based at least in part on sequences of dynamically updated filter coefficients; a proximity detector configured to perform acts comprising: