CPC G01S 3/8003 (2013.01) [G01S 3/7864 (2013.01); H04R 1/406 (2013.01); H04R 3/005 (2013.01)] | 20 Claims |
1. A device comprising:
a camera;
a microphone array;
one or more memories storing first computer-executable instructions; and
one or more processors to execute the first computer-executable instructions to:
acquire sound data using the microphone array;
determine, based on the sound data, utterance of a wakeword;
determine, based on the sound data, first data comprising:
a plurality of sound direction values, wherein each sound direction value is an estimated direction of the utterance with respect to the device, and
a plurality of first variance values, wherein each first variance value is associated with each of the sound direction values;
acquire image data using the camera;
determine second data based at least in part on the image data;
determine third data comprising:
the plurality of sound direction values, and
a plurality of second variance values that are based on the plurality of first variance values as modified based on the second data;
determine direction data based on the third data; and
operate the device based on the direction data.
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