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Advances in VLSI technology and the increasing availability of digital transmission
1 C# N1 c% }$ _channels, digital video communication services are expanding and economic realization8 }% R7 O( \8 V: k" J5 L% m) {
are possible. In order to reduce the transmission bit rate several source coding methods are used.% b4 N1 n' `7 [! y) [
With application of VLSI technology such sophisticated source codecs can be realized: e$ Y6 `3 J: L0 l& j* [+ S
economically. A novel DCT/IDCT ASIC chip for video codec in real time has been designed
7 c- {1 e- G7 M* Q; @! Uand tested using Ipm CMOS standard cell technology. This chip meets the stringent; e* k4 Y; x8 c& Y+ p( y
requirement of a low bit rate codec standards proposed by CCITT.% `( I4 L$ u1 G% x1 o( b1 Q
) [ f* `; E# k" p4 ]0 s3 p2 i
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" S5 ~5 O( L2 m, n[ 本帖最後由 masonchung 於 2007-5-15 12:04 AM 編輯 ] |
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