A Single-Chip MPEG-2 422P@ML Video, Audio, and System Encoder with a 162MHz Media-processor Core and Dual Motion Estimation Cores

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概要

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• A single-chip MPEG-2 video, audio, and system encoder LSI has been developed. It performs concurrent real-time processing of MPEG-2 422P@ML video encoding, 2-channel Dolby Digital or MPEG-1 audio encoding, and system encoding that generates a multiplexed ransport stream (TS) or a program stream (PS). Advanced hybrid architecture, which combines a high performance VLIW media-processor D30V and hard-wired video processing circuits, has been adopted to satisfy the demands of both high flexibility and enormons compntational capability. A unified control scheme has been newly proposed that hierarchically manages adaptive task priority control over asynchronous video, audio, and system encoding processes in order to achieve real-time concurrent processing using a single D30V. Dual dedicated motion estimation cores consisting of a coarse ME core (CME) for wide range searches and a fine ME core (FME) for precise searches have been integrated to produce high picture quality while using a small amount of hardware. Adopting these features, a single-chip encoder has been fabricated using 0.25-micron 4-layer metal CMOS technology, and integrated into a 14.2mm x 14.2mm die with 11 million transistors.

• 2001-01-01

著者

• HARADA Ayako

  Faculty of Pharmaceutical Sciences, Teikyo University

• Wada Tetsuro

  System Lsi Development Center Mitsubishi Electric Corporation

• Horino Y

  Advanced Device Development Dept. Renesas Technology Corp.

• Asano Ken-ichi

  The Authors Are With Information Technology R&d Center Mitsubishi Electric Corporation

• Yoshimoto Masahiko

  Mitsubishi Electric Corporation

• YAMADA Akira

  The authors are with System LSI Development Center, Mitsubishi Electric Corporation

• TAKATA Hidehiro

  The authors are with Electric Devices Design Center, Mitsubishi Electric Engineering Corporation

• KUMAKI Satoshi

  System LSI Development Center,Mitsubishi Electric Corporation

• ISHIHARA Kazuya

  System LSI Development Center,Mitsubishi Electric Corporation

• MATSUMURA Tetsuya

  System LSI Development Center,Mitsubishi Electric Corporation

• MATSUMURA Tetsuya

  The authors are with System LSI Development Center, Mitsubishi Electric Corporation

• KUMAKI Satoshi

  The authors are with System LSI Development Center, Mitsubishi Electric Corporation

• SEGAWA Hiroshi

  The authors are with System LSI Development Center, Mitsubishi Electric Corporation

• ISHIHARA Kazuya

  The authors are with System LSI Development Center, Mitsubishi Electric Corporation

• HANAMI Atsuo

  The authors are with System LSI Development Center, Mitsubishi Electric Corporation

• MATSUURA Yoshinori

  The authors are with System LSI Development Center, Mitsubishi Electric Corporation

• SCOTZNIOVSKY Stefan

  The authors are with System LSI Development Center, Mitsubishi Electric Corporation

• MURAYAMA Shu

  The authors are with Information Technology R&D Center, Mitsubishi Electric Corporation

• WADA Tetsuro

  The authors are with Information Technology R&D Center, Mitsubishi Electric Corporation

• OHIRA Hideo

  The authors are with Information Technology R&D Center, Mitsubishi Electric Corporation

• SHIMADA Toshiaki

  The authors are with Information Technology R&D Center, Mitsubishi Electric Corporation

• YOSHIDA Toyohiko

  The authors are with System LSI Development Center, Mitsubishi Electric Corporation

• YOSHIMOTO Masahiko

  The authors are with Information Technology R&D Center, Mitsubishi Electric Corporation

• TSUCHIHASHI Koji

  The authors are with Kita-Itami Works, Mitsubishi Electric Corporation

• HORIBA Yasutaka

  The authors are with Kita-Itami Works, Mitsubishi Electric Corporation

• Harada Ayako

  Reproductive Pediatric And Infectious Science Yamaguchi University School Of Medicine

• Harada Ayako

  Faculty Of Pharmaceutical Sciences Teikyo University

• Harada Ayako

  Information Technology R&d Center Mitsubishi Electric Corporation

• Harada Ayako

  Department Of Molecular Biodynamics The Tokyo Metropolitan Institute Of Medical Science (rinshoken)

• Horiba Yasutaka

  Lsi Laboratory Mitsubishi Electric Corporation

• Horiba Yasutaka

  The Authors Are With Kita-itami Works Mitsubishi Electric Corporation

• Horiba Yasutaka

  System Lsi Laboratory Mitsubishi Electric Corporation

• TAKATA Hidehiro

  Renesas Technology

• Yoshimoto Masahiko

  System Lsi Development Center Mitsubishi Electric Corporation

• Scotzniovsky Stefan

  The Authors Are With System Lsi Development Center Mitsubishi Electric Corporation

• Yoshida Takeshi

  Graduate School Of Advanced Sciences Of Matter Hiroshima University

• Yoshida T

  Graduate School Of Advanced Sciences Of Matter Hiroshima University

• Ohira Hideo

  The Authors Are With Information Technology R&d Center Mitsubishi Electric Corporation

• Hanami Atsuo

  System Lsi Development Center Mitsubishi Electric Corporation

• Murayama Shu

  The Authors Are With Information Technology R&d Center Mitsubishi Electric Corporation

• Kumaki Satoshi

  System Lsi Development Center Mitsubishi Electric Corporation

• Segawa Hiroshi

  The Authors Are With System Lsi Development Center Mitsubishi Electric Corporation

• Ishihara Kazuya

  System Lsi Development Center Mitsubishi Electric Corporation

• Yoshimoto M

  Department Of Computer Science And Systems Engineering Kobe University

• Yamada A

  Wireless Laboratories Ntt Docomo Inc.

• Sato H

  Ntt Microsystem Integration Laboratories

• Matsumura T

  System Lsi Development Center Mitsubishi Electric Corporation

• Shimada Toshiaki

  The Authors Are With Information Technology R&d Center Mitsubishi Electric Corporation

• Yoshida Toyohiko

  The Authors Are With System Lsi Development Center Mitsubishi Electric Corporation

• Tsuchihashi K

  The Authors Are With Kita-itami Works Mitsubishi Electric Corporation

• Takata Hidehiro

  The Authors Are With Electric Devices Design Center Mitsubishi Electric Engineering Corporation

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