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2001 IEEE International Conference on Multimedia and Expo (ICME'01)
A SINGLE-CHIP LOW-POWER MPEG-4 AUDIOVISUAL LSI USING EMBEDDED DRAM TECHNOLOGY
Tokyo, Japan
August 22-August 25
ISBN: 0-7695-1198-8
Masafumi Takahashi, Semiconductor Company, Toshiba Corporation, Kawasaki, Japan
Tsuyoshi Nishikawa, Semiconductor Company, Toshiba Corporation, Kawasaki, Japan
Hideho Arakida, Semiconductor Company, Toshiba Corporation, Kawasaki, Japan
Tohru Furuyama, Semiconductor Company, Toshiba Corporation, Kawasaki, Japan
A single-chip MPEG-4 audiovisual LSI based on the proposed scalable multiprocessor architecture has been developed for IMT-2000 multimedia applications. The LSI consists of three 16-bit multimedia-extended RISC processors and dedicated hardware accelerators, so as to achieve both low power consumption and high cost-effectiveness. It handles the MPEG- 4 video SP@L1 codec with the QCIF image at 15 frames per second, the AMR speech codec, and the ITU-T H.223 multiplexing at 60MHz consuming only 80mW, which is 33% of the previous design. The MPEG-4 audiovisual LSI was fabricated in 0.18us CMOS technology with quad metal using the embedded DRAM.
Citation:
Masafumi Takahashi, Tsuyoshi Nishikawa, Hideho Arakida, Tohru Furuyama, "A SINGLE-CHIP LOW-POWER MPEG-4 AUDIOVISUAL LSI USING EMBEDDED DRAM TECHNOLOGY," icme, pp.58, 2001 IEEE International Conference on Multimedia and Expo (ICME'01), 2001
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