US 12,437,743 B2
Event detections for noise cancelling headphones
Amalendu Iyer, Palo Alto, CA (US); Manu Rastogi, Palo Alto, CA (US); Mithra Vankipuram, Palo Alto, CA (US); and Srikanth Kuthuru, Palo Alto, CA (US)
Assigned to Hewlett-Packard Development Company, L.P., Spring, TX (US)
Appl. No. 18/249,169
Filed by Hewlett-Packard Development Company, L.P., Spring, TX (US)
PCT Filed Oct. 16, 2020, PCT No. PCT/US2020/055941
§ 371(c)(1), (2) Date Apr. 14, 2023,
PCT Pub. No. WO2022/081167, PCT Pub. Date Apr. 21, 2022.
Prior Publication US 2023/0410784 A1, Dec. 21, 2023
Int. Cl. G10K 11/178 (2006.01); H04R 1/10 (2006.01)
CPC G10K 11/17837 (2018.01) [G10K 11/17823 (2018.01); G10K 11/17873 (2018.01); H04R 1/1041 (2013.01); H04R 2460/01 (2013.01)] 13 Claims
OG exemplary drawing
 
1. An apparatus comprising:
a plurality of microphones to record background sounds;
a noise cancellation component to generate an inverted signal to negate the background sounds from an output signal;
a memory to store sound patterns associated with known events;
a speaker to output the output signal;
a sensor to detect a gaze direction of a user; and
a processor in communication with the plurality of microphones, the noise cancellation component, and the memory, wherein the processor is to:
compare a background sound of the background sounds to the sound patterns stored in the memory;
detect an event when a portion of the background sound matches one of the sound patterns stored in memory and is coming from behind the user;
execute a corrective action to the output signal in response to the event being detected and the portion of background sound coming from behind the user; and
determine that a difference between the gaze direction and an incoming direction of the portion of the background sound that matches the one of the sound patterns stored in memory is greater than a predefined threshold.