Coded data generation or conversion – Digital code to digital code converters – Adaptive coding
Reexamination Certificate
2008-12-11
2011-11-29
Nguyen, Khai M (Department: 2819)
Coded data generation or conversion
Digital code to digital code converters
Adaptive coding
C341S107000
Reexamination Certificate
active
08068042
ABSTRACT:
An object of the present invention is to achieve high coding efficiency for a companded signal sequence and reduce the amount of codes. A coding method according to the present invention includes an analysis step and a signal sequence transformation step. The analysis step is to check whether or not there is a number that is included in a particular range but does not occur in a second signal sequence (a number sequence that indicates the magnitude (magnitude relationship) of original signals) and output information that indicates the number that does not occur. The signal sequence transformation step is to output a transformed second signal sequence (which is formed by assigning new numbers to indicate the magnitudes of original signals (the magnitude relationship among original signals) excluding the magnitude of the original signal indicated by the number that does not occur and replacing the numbers in the second signal sequence with the newly assigned numbers) in the case where it is determined in the analysis step that there is a number that does not occur. The particular range is defined as a number that indicates a positive value having a minimum absolute value and a number that indicates a negative value having a minimum absolute value, for example.
REFERENCES:
patent: 5841377 (1998-11-01), Takamizawa et al.
patent: 6741651 (2004-05-01), Watabe et al.
patent: 7298303 (2007-11-01), Kobayashi et al.
patent: 10 20897 (1998-01-01), None
patent: 2007 104549 (2007-04-01), None
patent: 2007 286146 (2007-11-01), None
patent: 2009-139503 (2009-06-01), None
patent: 2009-139504 (2009-06-01), None
patent: 2009-139505 (2009-06-01), None
patent: 4598877 (2010-10-01), None
patent: 99 38262 (1999-07-01), None
Hans, Mat et al., “Lossless Compression of Digital Audio”, IEEE Signal Processing Magazine, vol. 18, No. 4, ISSN: 1053-5888, pp. 21-32, (Jul. 2001).
“Pulse Code Modulation (PCM) of Voice Frequencies”, ITU-T Recommendation G.711, 12 Pages, (Nov. 1988).
Office Action issued Apr. 19, 2011in Japanese Patent Application No. 2009-545447 (with English translation).
Harada Noboru
Kamamoto Yutaka
Moriya Takehiro
Nguyen Khai M
Nippon Telegraph and Telephone Corporation
Oblon, Spivak McClelland, Maier & Neustadt, L.L.P.
LandOfFree
Coding method, decoding method, and apparatuses, programs... does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Coding method, decoding method, and apparatuses, programs..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Coding method, decoding method, and apparatuses, programs... will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-4281812