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IEICE TRANSACTIONS on Electronics

An H.264/AVC High422 Profile and MPEG-2 422 Profile Encoder LSI for HDTV Broadcasting Infrastructures

Koyo NITTA, Hiroe IWASAKI, Takayuki ONISHI, Takashi SANO, Atsushi SAGATA, Yasuyuki NAKAJIMA, Minoru INAMORI, Ryuichi TANIDA, Atsushi SHIMIZU, Ken NAKAMURA, Mitsuo IKEDA, Jiro NAGANUMA

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Summary :

An H.264/AVC encoder LSI (named “SARA”) that supports High422 profile, as well as 422 profile of MPEG-2, has been developed for HDTV broadcasting infrastructures. It contains three motion estimation and compensation (ME/MC) engines with wide search ranges of -217.75 to +199.75 horizontally, -109.75 to +145.75 vertically, which can utilize almost all H.264/AVC ME/MC coding tools, such as multiple reference frame, variable block size, quarter-pel prediction, macroblock adaptive field/frame prediction (MBAFF), spatial/temporal direct mode, and weighted prediction. Our evaluations show that it can encode fast moving scenes with 1.2 dB to 1.7 dB higher than the JM. It was successfully fabricated in a 90-nm technology, and integrates 140 million transistors.

Publication
IEICE TRANSACTIONS on Electronics Vol.E95-C No.4 pp.432-440
Publication Date
2012/04/01
Publicized
Online ISSN
1745-1353
DOI
10.1587/transele.E95.C.432
Type of Manuscript
Special Section PAPER (Special Section on Solid-State Circuit Design – Architecture, Circuit, Device and Design Methodology)
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