ALEXANDRIA, Va., May 26 -- United States Patent no. 12,640,148, issued on May 26, was assigned to Sonos Inc. (Santa Barbara, Calif.).

"Network microphone device with command keyword conditioning" was invented by Connor Smith (New Hudson, Mich.), John Tolomei (Renton, Wash.) and Kurt Soto (Ventura, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "In one aspect, a playback device includes a voice assistant service (VAS) wake-word engine and a command keyword engine. The playback device detects, via the command keyword engine, a first command keyword, and determines whether one or more playback conditions corresponding to the first command keyword are satisfied. Based on (a) detecting the first command key...