ALEXANDRIA, Va., Sept. 10 -- United States Patent no. 12,412,589, issued on Sept. 9, was assigned to Synaptics Inc. (San Jose, Calif.).
"Signal level-independent speech enhancement" was invented by Saeed Mosayyebpour Kaskari (Irvine, Calif.) and Atabak Pouya (Irvine, Calif.).
According to the abstract* released by the U.S. Patent & Trademark Office: "This disclosure provides methods, devices, and systems for audio signal processing. The present implementations more specifically relate to speech enhancement techniques that are agnostic to varying signal levels in near-end audio signals. In some aspects, a speech enhancement system may include a delay estimator, an input normalizer, and an acoustic echo and noise (AEN) decoupling filter. Th...