US Patent Issued to Dolby Laboratories Licensing on April 8 for "Dialog enhancement using adaptive smoothing which depends exponentially on a smoothing factor" (Chinese Inventor)

ALEXANDRIA, Va., April 9 -- United States Patent no. 12,272,376, issued on April 8, was assigned to Dolby Laboratories Licensing Corp. (San Francisco).

"Dialog enhancement using adaptive smoothing which depends exponentially on a smoothing factor" was invented by Xuemei Yu (Beijing).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method of enhancing dialog intelligibility in an audio signal, comprising determining a speech confidence score that the audio content includes speech content, determining a music confidence score that the audio content includes music correlated content, in response to the speech confidence score, and applying a user selected gain of selected frequency bands of the audio signal to o...