US Patent Issued to Roku on Oct. 27 for "Dialogue state tracking for voice assistants" (California, Texas Inventors)

ALEXANDRIA, Va., Oct. 27 -- United States Patent no. 12,776,317, issued on Oct. 27, was assigned to Roku Inc. (San Jose, Calif.).

"Dialogue state tracking for voice assistants" was invented by I-Tsun Cheng (San Jose, Calif.), Zei-Chan Yeh (Frisco, Texas), Doo Soon Kim (San Jose, Calif.) and Praful Chandra Mangalath (Sunnyvale, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Dialogue state tracking for voice assistants involves correctly tracking intent and entities of a task that a user is performing. A dialogue state, having a tracked intent and one or more tracked entities, can then be used to perform the task. Building a dialogue state tracking system within a voice assistant is not trivial. In some...