Coded data generation or conversion – Digital code to digital code converters
Reexamination Certificate
2008-04-11
2009-10-20
Mai, Lam T (Department: 2819)
Coded data generation or conversion
Digital code to digital code converters
C704S203000
Reexamination Certificate
active
07605722
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.
REFERENCES:
patent: 6148288 (2000-11-01), Park
patent: 6223162 (2001-04-01), Chen et al.
patent: 6300888 (2001-10-01), Chen et al.
patent: 6480829 (2002-11-01), Heo
patent: 6675148 (2004-01-01), Hardwick
patent: 7209056 (2007-04-01), Moriya et al.
patent: 7230551 (2007-06-01), Moriya et al.
patent: 7317407 (2008-01-01), Moriya et al.
patent: 2003/0171919 (2003-09-01), Kim et al.
patent: 2005/0203731 (2005-09-01), Oh et al.
patent: 2005/0261892 (2005-11-01), Makinen et al.
patent: 2009/0030678 (2009-01-01), Kovesi et al.
patent: 2001-007704 (2001-01-01), None
patent: 1020010001891 (2001-01-01), None
patent: 20020061070 (2002-07-01), None
patent: 1020050112796 (2005-12-01), None
patent: 1020070009340 (2007-01-01), None
B. Bessette, et al; “A Wideband Speech And Audio Codec At 16/24/32 KBITS/S Using Hybrid ACELP/TCX Techniques”, Speech Coding Proceedings, 1999 IEEE Workshop on, 1999-ieeexplore.ieee.org; pp. 7-9.
Heiko Purnhagen, “Advances in Parametric Audio Coding”, 1999 IEEE Workshop on Applications of Signal Processing to Audio and Acoustics, New Paltz, New York, Oct. 1999.
Beack Seung Kwon
Hong Jin Woo
Jae Dae Young
Jang Inseon
Kang Sang-One
Electronics and Telecommunications Research Institute
Hanyang University Industry-University Cooperation Foundation
Kwangwoon University Industry-Academic Collaboration Foundation
Ladas & Parry LLP
Mai Lam T
LandOfFree
Lossless audio coding/decoding apparatus and method does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Lossless audio coding/decoding apparatus and method, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Lossless audio coding/decoding apparatus and method will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-4124666