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To: FR1 who wrote (8129)	4/17/1999 10:25:00 PM
From: Frank A. Coluccio	Respond to of 29970

Hi Franz, I've seen the samplings of what I'm referring to on CNBC, on Discovery (some of the crime documentary series come to mind), and others... when they use compressed MPEG transmission on some clips. Court TV is now using digital output feeds somewhere in the chain of events between their source and the eventual headend and subscriber. You can see it manifest occasionally when mosaic-ing takes place on the tube, due to errors occurring on the line. I don't know exactly where in the chain it is, but it's there. I may not have been clear. Where it now takes ~ 6 MHz to support a single National Television Standards Committee (NTSC) commercial quality video signal, the same bandwidth in the future will support multiple digital streams. This is the way of the future... I know that you know this, I'm merely stating it for the general audience. And you are correct in what you imply. In the earlier stages, the artifacts resulting from the lower overall quality of some digital compression techniques will result in a more pronounced degradation, which will show up roughly proportionately to screen size. The realy good digital feeds (which will require between 3.15 and up to 6.3 Mb/s of downstream) using MPEG can be sustained over cable modem links. But cable modem service providers who must support today's architectures are not about to suggest or recommend that this be the case just yet. But it is possible to do, which is all I meant to say.