ALEXANDRIA, Va., Sept. 8 -- United States Patent no. 12,732,751, issued on Sept. 8, was assigned to Sonos Inc. (Goleta, Calif.).

"Volume management in a media playback system" was invented by Jerome Agustin (Camarillo, Calif.), Jonathan P. Lang (Santa Barbara, Calif.) and Mark W. Triplett (St. Charles, Ill.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Example techniques may provide volume enhancements to a media playback system. An example implementation involves a first playback device in a first playback configuration playing audio at a first volume level and storing the first volume level in association with the first playback configuration. The first playback device receives instructions to change to a...