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To: john dodson who wrote (33929)6/19/1998 10:08:00 AM
From: John Rieman  Respond to of 50808
 
Divi does the news.....................................

tvbeurope.com

Robust Digital-S

JVC also exhibited a 100 Mbps extension of Digital-S at NAB, which itclaims will record a 480/60P signal. JVC is also to develop a Digital-Shigh definition system that is switchable between 1080i and 720P.The US has seen the major successes for sales of Digital-S. Sales arebeginning in Europe, even though Digital-S suffers from not being seen asan acquisition through to studio format. However, the range does nowinclude a camcorder.

JVC admits it didn't focus on the acquisition end initially, and even nowit doesn't claim the portability for its camcorder that DVCPRO can offer.But the main selling point of Digital-S remains its robustness as a 4:2:2studio format, based on the proven VHS transport system, and is probablythe cheapest way for broadcasters to get into 4:2:2 production.A 100 Mbps version of Digital-S may prove attractive to many USbroadcasters for just these reasons. And JVC is also working with Divicom,a subsidiary of the MPEG-2 chip company C-Cube, to develop HDTV encodingsystems, that will provide lower cost methods for broadcasters to get intoHD.

Using Divicom's DVxpert encoding system, the family of HDTV products thetwo companies are developing will support ATSC and DVB broadcastingstandards, including 1080i, 720P and 480p, with the ability to switchbetween 4:2:0 and 4:2:2 formats.

In the meantime, Sony is competing for this market with its 7:1 compressedHDCAM format, and promises further development of MPEG-2 422P to meet thedemand for a mezzanine HD production format that will take the bit rate upto 300 MBps.