US Patent Issued to Sonos on Sept. 16 for "Multi-channel AEC system identification for self-calibration" (American, British Inventors)

ALEXANDRIA, Va., Sept. 17 -- United States Patent no. 12,418,764, issued on Sept. 16, was assigned to Sonos Inc. (Goleta, Calif.).

"Multi-channel AEC system identification for self-calibration" was invented by Wenyu Jin (Eden Prairie, Minn.), Patrick Kevin McPherson (Somerville, Mass.) and Adib Mehrabi (London).

According to the abstract* released by the U.S. Patent & Trademark Office: "Examples described herein relate to calibration of audio playback devices in a media playback system using inputs derived from a multi-channel adaptive filter of an acoustic echo canceller. Example playback devices described herein may utilize one or more techniques for calibration, which may be implemented as various calibration procedures. In some implem...