ALEXANDRIA, Va., March 31 -- United States Patent no. 12,593,167, issued on March 31, was assigned to Sonos Inc. (Goleta, Calif.).
"Systems and methods of user localization" was invented by Eric Frank (Philadelphia).
According to the abstract* released by the U.S. Patent & Trademark Office: "Systems and methods are disclosed in which a playback device transmits a first sound signal including a predetermined waveform. In one example, the playback device receives a second sound signal including at least one reflection of the first sound signal. The second sound signal is processed to determine a location of a person relative to the playback device, and a characteristic of audio reproduction by the playback device is selected, based on the d...