Architecture for multi-stage decoding of a CABAC bitstream

Details Architecture for multi-stage decoding of a CABAC bitstream Architecture for multi-stage decoding of a CABAC bitstream

2008-08-22

2010-11-23

Nguyen, Khai M (Department: 2819)

Coded data generation or conversion

Digital code to digital code converters

To or from code based on probability

C341S051000, C341S106000

Reexamination Certificate

active

07839311

ABSTRACT:
Techniques for optimizing the Context-based Adaptive Binary Arithmetic Coding (CABAC) bitstream decoding are disclosed. In one configuration, a device has a first processing circuit operative to decode a Context-based Adaptive Binary Arithmetic Coding (CABAC) bitstream into an intermediate signal having a CABAC decoded standard format and a decoded order. A second processing circuit decodes the intermediate signal using a non-CABAC decoding standard. A buffer is provided between the first and second processing circuits to improve processing speeds.

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ITU-T H.264, “Advanced Video Coding for Generic Audio Visual Services”, Mar. 2005, sections 7.3.4, 7.3.5, and 9.3.

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