C-Cube Message Board - Msg: 3587745

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Technology Stocks : C-Cube

CUBE 35.90

+0.2%

Dec 26 9:30 AM EST

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To: BillyG who wrote (30160)	3/3/1998 4:02:00 PM
From: DiViT	Read Replies (4) of 50808

Philips MPEG 2 encoder:... It uses motion estimation algorithms that were specially developed in the Philips Research Laboratories to achieve both a high-quality and a high-compression factor at very low cost. By using only I and P frames (B frames are not used), a significant reduction in overall system build cost is achieved, e.g. only 2MB of DRAM is needed compared to at least 4MB for IPB coding, and editability of the compressed streams is improved. High picture quality (much better than S-VHS) can be reached at around 4-8Mbit/sec. So they skipped some of the hard part (B frames). See: bmrc.berkeley.edu They claim you get "a significant reduction in overall system build cost", by using only 2mb of DRAM compared to 4mb?? And it's encode only. What resolution? QCIF? Frame rate? BTW: sorry if my posting seems to have dropped off, but I'm on a push to get something done before NAB

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