ALEXANDRIA, Va., Feb. 17 -- United States Patent no. 12,551,113, issued on Feb. 17, was assigned to Apple Inc. (Cupertino, Calif.).

"Audio detection and monitoring of respiration" was invented by Vikramjit Mitra (Fremont, Calif.), Agni Kumar (Milton, Ga.), Carolyn R. Oliver (Sunnyvale, Calif.), Adeeti V. Ullal (Emerald Hills, Calif.), Matthew Biddulph (San Francisco) and Irida Mance (San Francisco).

According to the abstract* released by the U.S. Patent & Trademark Office: "The subject technology provides a framework for estimating respiratory rates from audio data recordings. A multi-task learning network may be trained to output respiratory rates, breathing conditions, and/or noise conditions based on input audio data recordings. The au...