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advice for tv on the computer

  • 26-09-2006 7:44pm
    #1
    John mac
    Registered Users, Registered Users 2 Posts: 5,140 ✭✭✭


    ok here is my problem. I want to declutter the dining room so i thought get a tv card and ditch the tv and video. i have a tv card on my pc (club 3d zap1101) .
    i have not been able to get a signal on it for ages until today . going through tech support for both the hardware and software. (cyberlink power cinema 4.7)
    i would like to use the rf out from my sky box to feed into this card. i have tried this but am not getting any picture.
    but when i plug the coax into the portable tv(which is next to the pc) i get great reception.
    i have used a 'cats ears aerial' and can just get rte1 2 and tg4 just meaning the signal is not great.
    . what am i doing wrong or is there some way the signal is being blocked by the software? any suggestions.


Comments

  • #2
    watty
    Registered Users, Registered Users 2 Posts: 32,417 ✭✭✭✭watty


    It will always be a poorer picture than the TV as the PC screen is progressive, not Interlaced and the PC has a 56Hz to 120Hz refresh (often 60 or 85).

    PAL is 576 line. PC is 480, 600, 768, 1024 etc, never 576

    All those conversions blur the image, Pal is 576 line 25 fps interlaced 50Hz.

    RF would be poor. You want to use RGB to S-Video convertor (expensive) or else composite from the SCART (simple connector adaptor), not RF.


  • #3
    watty
    Registered Users, Registered Users 2 Posts: 32,417 ✭✭✭✭watty


    You need to use manual fine tuning. Many PC TV cards only search EXACTLY on the channels, the Sky modulator is not that accurate. I even have one TV that needs manually fine tuned to see a Sky Digibox. The RF modulators in VHS, Digiboxes, etc are not great, don't do true VSB TV signal and only have mono.


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