US Patent Issued to DOLBY INTERNATIONAL on April 15 for "Model based prediction in a critically sampled filterbank" (Swedish Inventor)

ALEXANDRIA, Va., June 5 -- United States Patent no. 12,277,945, issued on April 15, was assigned to DOLBY INTERNATIONAL AB (Dublin).

"Model based prediction in a critically sampled filterbank" was invented by Lars Villemoes (Jarfalla, Sweden).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present document relates to audio source coding systems which make use of linear prediction in combination with a filterbank. A method for estimating a sample of a subband signal from two or more previous samples of the subband signal is described. The subband signal corresponds to a plurality of subbands, having an equal subband spacing, of a subband-domain representation of an audio signal. The method comprises determi...