1. 
   Macrovision
   A method of copy-protecting videos, DVDs, and satellite programmes. It works, often, by adding strong peak-white and peak-black parts to the top of the video signal (up where you cannot see it). Below you can clearly see the black/white areas. This does not confuse a television (it'll show alsorts)...
   Found op http://www.heyrick.co.uk/ricksworld/digibox/glossary.html
   
   
2. 
   Macrovision
   An analog video copy protection scheme that alters the unseen part of a video signal such that a VCR or other macrovision enabled device may not record the video signal properly. There are several types: - Automatic Gain Control - 2-line color stripe - 4-line color stripe Symptoms of this include pi...
   Found op http://www.videohelp.com/glossary?M
   
   

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