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Technology Stocks : C-Cube
CUBE 36.62-0.1%3:59 PM EST
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To: Carnac who wrote (26263)12/7/1997 7:47:00 PM
From: BillyG  Read Replies (1) of 50808
 
The format conversion is done deep inside the decoder itself.
patent.womplex.ibm.com. It impacts critical
timing blocks, so cube and others may have a hard time keeping up unless they
started a while ago.

From the patent, it looks like the trick is to cleverly perform the downsampling, thereby lowering the effective data rate for the subsequent decoding steps.

"May your memory technology have large latencies, thereby not permitting you to
trans-decode at the 250,000 macroblock/sec Main Level rate."

It sounds like RamBus will do the trick. Is SDRAM fast enough? What about DDR-SDRAM? Embedded memory would be a clean solution.
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