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:
Jan. 21, 1997
Filed:
Jan. 24, 1995
Kwok K Chau, Los Altos, CA (US);
LSI Logic Corporation, Milpitas, CA (US);
Abstract
A Motion Picture Experts Group (MPEG) video/audio data bitstream includes macroblocks of video data which can each include input Motion Compensation (M) data and input discrete cosine Transform Coded (I) data. A motion pipeline processes the input M data to produce processed M data, and a transform pipeline processes the input I data to produce processed I data. A controller controls the motion pipeline and the transform pipeline to concurrently process the input M data and the input I data respectively such that a length of time required for processing each macroblock is variable and is determined by the largest of a length of time required for the motion pipeline to process the input M data and a length of time required for the transform pipeline to process the input I data of the macroblock. The time required to process all of the macroblocks in a video picture is statistically less than if a fixed length of time were provided for processing each macroblock based on a worst case scenario, thereby reducing the memory bandwidth requirement of the system.