ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,450,025, issued on Oct. 21, was assigned to Sonos Inc. (Santa Barbara, Calif.).

"Calibration assistance" was invented by Dayn Wilberding (Portland, Ore.) and Sein Woo (Somerville, Mass.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Example techniques relate to calibration interfaces that facilitate calibration of a playback device. An example implementation may involve outputting a sequence of prompts to guide calibration of a playback device during a calibration sequence comprising (i) a spatial calibration component and (ii) a spectral calibration component. Outputting the sequence of prompts includes outputting one or more first audio prompts repres...