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. 09, 2003
Filed:
Apr. 27, 2001
Daisuke Hiranaka, Tokyo, JP;
Sony Corporation, Tokyo, JP;
Abstract
An image encoder and its processing method for compression-encoding a dynamic image at a variable encoding rate in the case of an application required to perform real-time processing. A variable bit rate (VBR) control section ( ) determines a VBR control quantizing scale VBRq according to a VBR buffer value held in a VBR buffer recording section ( ). A constant bit rate (CBR) control section ( ) determines a CBR control quantizing scale CBRq according to an inputted maximum bit rate BRmax. A quantizing scale comparing section ( ) outputs the CBRq during constant rate encoding and outputs the larger one of the VBRq and CBRq during variable rate encoding. An image compression-encoding section ( ) encodes the inputted image signal at a quantizing scale outputted from the quantizing scale comparing section ( ) and outputs a bit stream (S ).