All Vigatec scalers can be modified with a single or triple SDI unit (at least the newest versions). The only other scalers that allow SDI are TAW's Rock+ and Key Digital's new Leeza. If you haven't seen SDI then I encourage you to do so. It is a huge difference over standard analog inputs!
I discovered that the Snell & Wilcox have an SDI output card for the Proceed (PMDT), and a matching SDI input card for their Interpolator. The SDI signal between the cards is heavily encrypted to meet the Hollywood standards of course.
Snell & Wilcox produce an SDI card for the Proceed PMDT and Meridian 800 DVD players - we call them 'ISLE' cards - and they do output encrypted SDI.
The Interpolator Gold has had 2 available SDI input ports since it was first introduced many years ago, and they will accept standard SDI as well as the encrypted version transparently - so you can use the Interpolator Gold with any SDI source (e.g. other modified DVD players etc..)
Of course we also have a number of other up /down and crossconverters with only SD / HDSDI inputs and outputs from about Â£20K upto Â£150K!
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