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(271000),,,,1,,,,,,,,,,,(),,,,,,,,,ATM,,,,,,2,6070,,70,,,,,,,CCIT()19854,,,90%,,,,,,,,(Viewdata,Videotext),20,,,,70,90,20,2,CCIR4,WST(WORLDSYSTEMTELETEXT)1112,,,,,,,,,12,,6033.1,,,,,,3.2(1),(2),,(3)(TeletextSys2temProcess),A,BAB,,,,,,3.3(1),8,128kb/s,20010s,,(2),,,(RFVIDEO),(3)PC(PC),,PC,,,,(),,,,4,,,CCIT19854,4:Antiope;WST;22NABTS;Hybrid,,,IC,,,,,,,,,,AntiopeWST,,WSTNABTS,,,,,,,,,,(CCST)CCSTWST,WSTCCSTSAA5700,5,(),,,,,,,(),,,,,,,1985,(),5.2,4,WST3,,,,,CPU,NABTS,(PDI),WSTPDI,,,,,,,,,,13,32,,5.3(1),,,,,,,,,,,,01,,,,,,,,,(2)(),,,,,,(3)(VSB),(),(4),,,(5),,:(6):,,,,66.1,,,,,,;,,,,,,,CPU,,(CRTC),RGBBLANK,,,,()6.2,,,PAL,42,,;,,,,,,6.3,,,,,,,,:()(),,,,,,,77.1(ASIC),VIP(VideoInputProcessing)IVT(In2tegratedVideoTerminal)(CCST),,WST,SAA5231(VIP)SAA5243(ECCT)GB5007C()CCST,SAA5700,7.2,,7.3,,,,,,(FEC),,,,,(8,4)(24,18),,,RS,,7.4(DVB),52CATV(300450),,CATV,CATV,,CATV,1CATV,,,,R(t),,F(t),R(t)+F(t)=1R(t)=1-F(t)(1),,,,:F(t)=mi=1Fi(t)(2):Fi(t);m:R(t)=1-mi=1Fi(t)(3),,,(MPC),,,,,,,,,,,(VOD),8,,,,,,,,,,[1]..,1998(2)[2],..,1998(1)[3]..,1996(3)[4],..:(:2000206215)62