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Advances in VLSI technology and the increasing availability of digital transmission' T, ~# Z- k! b8 H3 y! |
channels, digital video communication services are expanding and economic realization* b; T3 }: Q7 t5 T
are possible. In order to reduce the transmission bit rate several source coding methods are used.( l) W' Q L! [1 j2 k
With application of VLSI technology such sophisticated source codecs can be realized5 Y) U' d1 s6 ?0 C4 k7 t6 |
economically. A novel DCT/IDCT ASIC chip for video codec in real time has been designed
- {1 A& o. W) P0 P8 Iand tested using Ipm CMOS standard cell technology. This chip meets the stringent
( c6 @, S* ~& W" m8 x+ ~; _requirement of a low bit rate codec standards proposed by CCITT.
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[ 本帖最後由 masonchung 於 2007-5-15 12:04 AM 編輯 ] |
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