XPost: comp.dsp, sci.crypt, sci.electronics.design   
   From: OneBigLever@InfiniteSeries.Org   
      
   On Fri, 18 Dec 2009 11:02:41 +0000 (UTC), glen herrmannsfeldt   
    wrote:   
      
   >In comp.dsp Michael A. Terrell  wrote:   
   >(snip)   
   >   
   >>   Videocipher-I was digital video & audio.  Videocipher-II was analog.   
   >   
   >And then there was the system that adds a sine wave to the   
   >video signal such that the sync is not the lowest level anymore,   
   >and wonders around enough that you won't try watch it.   
   >   
   >-- glen   
      
      
     That was not encryption.   
      
     That was called "In-band gated sync scrambling".   
      
   --- SoupGate-Win32 v1.05   
    * Origin: you cannot sedate... all the things you hate (1:229/2)