The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jan. 30, 2024
Filed:
Aug. 25, 2022
Electronics and Telecommunications Research Institute, Daejeon, KR;
Seung Kwon Beack, Daejeon, KR;
Tae Jin Lee, Daejon, KR;
Min Je Kim, Daegu, KR;
Kyeongok Kang, Daejeon, KR;
Dae Young Jang, Daejeon, KR;
Jin Woo Hong, Daejeon-si, KR;
Jeongil Seo, Daejeon, KR;
Chieteuk Ahn, Seoul, KR;
Hochong Park, Seoul, KR;
Young-Cheol Park, Gangwon-do, KR;
Electronics and Telecommunications Research Institute, Daejeon, KR;
Abstract
Disclosed is an LPC residual signal encoding/decoding apparatus of an MDCT based unified voice and audio encoding device. The LPC residual signal encoding apparatus analyzes a property of an input signal, selects an encoding method of an LPC filtered signal, and encode the LPC residual signal based on one of a real filterbank, a complex filterbank, and an algebraic code excited linear prediction (ACELP).