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:
Oct. 20, 2009
Filed:
Apr. 11, 2008
Seung Kwon Beack, Seoul, KR;
Jeongil Seo, Daejeon, KR;
Inseon Jang, Daejeon, KR;
Dae Young Jae, Daejeon, KR;
Hochong Park, Seongnam, KR;
Sang-one Kang, Seongnam, KR;
Young-cheol Park, Wonju, KR;
Jin Woo Hong, Daejeon, KR;
Seung Kwon Beack, Seoul, KR;
Jeongil Seo, Daejeon, KR;
Inseon Jang, Daejeon, KR;
Dae Young Jae, Daejeon, KR;
Hochong Park, Seongnam, KR;
Sang-One Kang, Seongnam, KR;
Young-Cheol Park, Wonju, KR;
Jin Woo Hong, Daejeon, KR;
Abstract
Provided are a lossless audio coding/decoding apparatus and method. The lossless audio coding apparatus includes a first coder to directly code first symbols; a second coder module comprising a plurality of second coders to convert the first symbols into second symbols and to code the second symbols; a first selector to compare the performance of the first coder to the performance of the second coders and to output a coding mode in accordance with a comparison result; and a second selector to output a final bitstream by coding the first symbols in correspondence with the coding mode. According to the present invention, the performance of audio coding may be improved.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile