US Patent Issued to DOLBY INTERNATIONAL on Dec. 9 for "Frame loss concealment for a low-frequency effects channel" (Swedish Inventor)

ALEXANDRIA, Va., Dec. 9 -- United States Patent no. 12,494,208, issued on Dec. 9, was assigned to DOLBY INTERNATIONAL AB (Dublin).

"Frame loss concealment for a low-frequency effects channel" was invented by Stefan Bruhn (Sollentuna, Sweden).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method of generating a substitution frame for a lost audio frame of an audio signal is presented. The method may comprise determining an audio filter based on samples of a valid audio frame preceding the lost audio frame. The method may comprise generating the substitution frame based on the audio filter and the samples of the valid audio frame preceding the lost audio frame. The method may be advantageously applied to a lo...