ALEXANDRIA, Va., Feb. 12 -- United States Patent no. 12,223,971, issued on Feb. 11, was assigned to NTT DOCOMO INC (Tokyo).
"Audio decoding device, audio encoding device, audio decoding method, audio encoding method, audio decoding program, and audio encoding program" was invented by Kei Kikuiri (Tokyo) and Atsushi Yamaguchi (Tokyo).
According to the abstract* released by the U.S. Patent & Trademark Office: "The purpose of the present invention is to reduce distortion a frequency band component encoded with a small number of bits in a time domain and improve quality. An audio decoding device (10) decodes an encoded audio signal and outputs the audio signal. A decoding unit (10a) decodes an encoded sequence containing an encoded audio sign...