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.

Date of Patent:
May. 11, 2004

Filed:

Aug. 10, 2000
Applicant:
Inventors:

Tomohiro Koyata, Tokyo, JP;

Ryohei Yasuda, Kanagawa, JP;

Assignee:

Sony Corporation, Tokyo, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04N 7/66 ;
U.S. Cl.
CPC ...
H04N 7/66 ;
Abstract

An encoding apparatus for highly efficiently encoding an input digital signal includes a band dividing means, an encoding means, a normalization processing means for normalizing a signal component of each block encoded by the encoding means and generating a normalization signal, a quantization coefficient calculating means, a bit allocating means for deciding the number of allocated bits for each block corresponding to the quantization coefficients calculated by the quantization coefficient calculating means, a normalization information changing means for gradually changing the normalization information generated by the normalization processing means corresponding to a user's operation on a time base, and an encoded data generating means.


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