what is this soup of words and nomeclatures irdeto,cas, etc

scandiskwindows9x

Moderator of DTV Latino
#1
Well was wondering, what mean those nomeclatures

Irdeto,conax 3.0,dvl,crypton,nds,nagra,ntf,dvn,cti,sumavision cas


the rare is that nomeclatures is little and no much info about them , just found about nagra and nothing else

best regards
Francisco
 
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