ALEXANDRIA, Va., June 19 -- United States Patent no. 12,334,958, issued on June 17, was assigned to DOLBY LABORATORIES LICENSING Corp. (San Francisco).
"Method and device for arithmetic encoding or arithmetic decoding" was invented by Oliver Wuebbolt (Hannover, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "The invention proposes a method and a device for arithmetic encoding of a current spectral coefficient using preceding spectral coefficients. Said preceding spectral coefficients are already encoded and both, said preceding and current spectral coefficients, are comprised in one or more quantized spectra resulting from quantizing time-frequency-transform of video, audio or speech signal sample val...