US Patent Issued to iBiquity Digital on Oct. 21 for "Emergency alert secondary audio substitution in digital radio broadcasting" (California Inventors)

ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,451,986, issued on Oct. 21, was assigned to iBiquity Digital Corp. (Columbia, Md.).

"Emergency alert secondary audio substitution in digital radio broadcasting" was invented by Russ Iannuzzelli (Calabasas, Calif.), Janet Peyla (Calabasas, Calif.) and Jefferey Detweiler (Calabasas, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method performed by at an importer-exporter of an in-band on-channel (IBOC) digital radio broadcasting system comprises: receiving, from a first audio client, first protocol data units (PDUs) (first PDUs) of encoded main audio and that include first sequence numbers that progress in a first order; sending the first PDUs f...