ALEXANDRIA, Va., Sept. 1 -- United States Patent no. 12,725,599, issued on Sept. 1, was assigned to Starkey Laboratories Inc. (Eden Prairie, Minn.).

"Robust active noise cancelling at the eardrum" was invented by Piero Iared Rivera Benois (Bad Zwischenahn, Germany), Henning Schepker (Oldenburg, Germany), Masahiro Sunohara (Plymouth, Minn.) and Martin McKinney (Minneapolis).

According to the abstract* released by the U.S. Patent & Trademark Office: "Disclosed herein, among other things, are systems and methods for active noise cancellation (ANC) for hearing device applications. A method includes measuring a receiver-to-inward-facing microphone response during an in-situ calibration stage for the hearing device, estimating a receiver-to-ear...