ALEXANDRIA, Va., Nov. 3 -- United States Patent no. 12,784,761, issued on Nov. 3, was assigned to Amazon Technologies Inc. (Seattle).
"Ambient noise tracking using signal stationarity" was invented by Guillermo Daniel Garcia (Kensington, Calif.) and Mazher Ali Khan (Milpitas, Calif.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A system configured to improve noise estimation while performing noise dependent volume control to reduce a sensitivity to voice activity and other non-stationary sounds. For example, a device may adaptively increase a volume level of playback audio based on an amount of ambient noise present in a noisy environment, with an amount of noise compensation determined based on an estimate...