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for Blu-ray Disc Standard

By Noriyuki Minegishi, Hidenori Sato, Fumitaka Izuhara, Masayuki Koyama, Anthony Vetro, Noriyuki Minegishi, Hidenori Sato, Fumitaka Izuhara, Masayuki Koyama, Anthony Vetro and Senior Member


This paper presents an HDTV video decoder core that is able to decode MPEG-2, MPEG-4 AVC and VC-1 formats and is fully compatible with the Blu-ray Disc standard. The core has two major features which achieve low-cost hardware implementation for three different standards. First, a novel re-configurable architecture is adopted to realize reduced hardware for three different variable length coding tables. A hybrid architecture that consists of a cell array and coefficients memory is introduced. By considering the trade-off between performance and cost, the cell array can compare a variable number of bits in a flexible manner. Second, a data compression method suitable for all video decoding standards is applied to reduce memory data usage and access bandwidth. A compression syntax based on Run-Level encoding with Exp-Golomb tables is used to achieve both low compression workload and reasonable memory cost. The core is implemented by top-down HDL basis approach, and the circuit volume is 1.5Mgates with 90nm CMOS technology and operation clock frequency is 162MHz for 1080i at 30fr/s

Year: 2009
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