Patent ID: 11937076
Assignee: HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P.
Field: Audio-visual technology (Electrical engineering)
Classification: CPC H  G | IPC G  H

Claim 8:
9. A system for acoustic echo cancellation, comprising:
a camera to capture camera information for a room;
a microphone array to capture an audio signal received from a location of a person in the room; and
a processor to:
determine the location of the person in the room based in part on the camera information;
perform beamforming to capture the audio signal received from the location of the person using the microphone array;
determine an acoustic echo cancellation parameter based in part on the audio signal captured from the location of the person;
perform acoustic echo cancellation on the audio signal using the acoustic echo cancellation parameter, wherein the acoustic echo cancellation parameter includes a room impulse response, including to perform the acoustic echo cancellation on a number of channels that are outputted from a beamformer that is used to perform the beamforming, wherein the number of channels corresponds to a number of persons detected in the room based in part on the camera information; and
transmit the audio signal having the canceled acoustic echo.