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:
Dec. 02, 2003
Filed:
Dec. 28, 2001
Applicant:
Inventor:
Koji Matsuura, Saitama, JP;
Assignee:
Pioneer Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H03M 7/00 ;
U.S. Cl.
CPC ...
H03M 7/00 ;
Abstract
A quantizer scale setting apparatus for setting a quantizer scale used when a digital information signal Sd is quantized has an adder for making a precalculation of a quantization error occurring when the digital information signal Sd is quantized using a plurality of quantizer scales for each of the quantizer scales, and an error control section for setting the quantizer scale used for quantizing the digital information signal Sd from among the plurality of quantizer scales based on the quantization errors whose precalculation is made.