ALEXANDRIA, Va., May 12 -- United States Patent no. 12,627,849, issued on May 12, was assigned to Amazon Technologies Inc. (Seattle).

"Dynamic multi-audio broadcasting" was invented by Nitin Srivastava (Santa Clara, Calif.) and Muhaiyadeen Ansarullah Habibullah (Pleasanton, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A media playback system may send video data to a first device and audio data to a second device. The second device may wirelessly transmit the audio data to one or more listening devices such as earbuds or headphones. The system may also send audio data to the first device for transmission to another listening device or devices. In an example operation, the system may send audio data r...