C-Cube Message Board - Msg: 2840032

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Technology Stocks : C-Cube

CUBE 36.29

+1.9%

Nov 21 9:30 AM EST

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To: John Rieman who wrote (25738)	11/30/1997 6:00:00 AM
From: Carnac	Read Replies (4) of 50808

Sony's new single chip encoder is aimed at BetaCam. It's economy puts it as more of a prosumer chip at current technology (0.4 micron). I spent a lot of time talking to the design engineers and marketing babe at the Sony Fall'97 Comdex booth. The chip was designed in Japan, and will be designed into systems and marketed at the San Jose (Zanker) lab. A prototype DVC camcorder (~$2000) is planned for next year. DVC has little-known extensions for MPEG-2 video bitstream recording (6 and 12 mbit/sec rates), in addition to the familiar 25 mbit/sec DVC-bitstream only mode. This is only 0.4 micron now. Wait until it comes out in 0.25 and 0.18 micron! The shame of the Sony chip was that it could NOT encode/decode DVC bitstreams as well (although 25 mbit/sec I-frame MPEG-2 suits the same editing needs). DVC is a different syntax. Motion estimation search range is almost meaningless. It's how you get your motion vectors and what you do with them that really counts. C-Cube probably has the best image quality given all their man years of research and make up of experts (Wang, Linzer,Wu,Uz,Webb,etc.... even the esteemed M. LeGump), but Sony's comparitively brute force algorithm is not all that bad (plus Sony is programmable in the most important areas such as Decision, so improvements on those corner cases can be made). C-Cube can also decode which is critical for CE. CHROMAC "may you be listed on the NASDAQ under the name 'MPEG'"

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