Data processing: speech signal processing – linguistics – language – Audio signal time compression or expansion – With content reduction encoding
Reexamination Certificate
2011-03-22
2011-03-22
Hudspeth, David R (Department: 2626)
Data processing: speech signal processing, linguistics, language
Audio signal time compression or expansion
With content reduction encoding
C381S094300, C704S205000, C704S503000
Reexamination Certificate
active
07912731
ABSTRACT:
A method for encoding sound signals on multiple channels includes extracting an arbitrary number of sine waves from each of the sound signals. The sine waves include at least a first sine wave, extracted from a first one of the channels and having first-channel information, and a second sine wave, extracted from a second one of the channels and having second-channel information. Using the first-channel information and one of the second-channel information and sine wave information corresponding to a predetermined sine wave, one of the second-channel information and the sine wave information corresponding to the predetermined sine wave is selected as a to-be-correlated object for encoding in a correlation with the first-channel information. The correlation includes a frequency-based absolute value of a difference between frequency information included in the first-channel information and frequency information included in the second-channel information and is used to encode the first- and second-channel information.
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An office action from the Japanese Patent Office for Japanese Patent No. 2002-145267 issued Nov. 18, 2008.
Suzuki Shiro
Toyama Keisuke
Tsuji Minoru
Hudspeth David R
Rider Justin W
SNR Denton US LLP
Sony Corporation
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