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Cable interference

  • 13-03-2011 3:59pm
    #1
    desaparecidos
    Banned (with Prison Access) Posts: 1,332 ✭✭✭


    Can power cables, audio / video, Ethernet or HDMI cables interfere with a satellite or dtt signals in coax cables, if they are all in a spaghetti behind the TV?

    I'm getting breakup on ITVHD and BBCHD on my HTPC so I'm trying to find the source of the problem. I have aligned and re-aligned the dish many times, using a sat finder to get the strongest possible signal level.


Comments

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


    DECT is bad

    other things too

    Make sure good double screened sat cable.


  • #3
    fat-tony
    Registered Users, Registered Users 2 Posts: 2,711 ✭✭✭fat-tony


    desaparecidos wrote: »
    Can power cables, audio / video, Ethernet or HDMI cables interfere with a satellite or dtt signals in coax cables, if they are all in a spaghetti behind the TV?

    I'm getting breakup on ITVHD and BBCHD on my HTPC so I'm trying to find the source of the problem. I have aligned and re-aligned the dish many times, using a sat finder to get the strongest possible signal level.
    Is it only on the two HD channels? Could possibly be an issue with your processor/graphics card. What is the spec of your machine and what OS and media viewer are you running?


  • #4
    desaparecidos
    Banned (with Prison Access) Posts: 1,332 ✭✭✭desaparecidos


    fat-tony wrote: »
    Is it only on the two HD channels? Could possibly be an issue with your processor/graphics card. What is the spec of your machine and what OS and media viewer are you running?

    AMD HD5450 with Windows 7 MCE using Win7 DTV decoder. Blackgold DVB-S2 and DVB-T quad tuner.

    I heard of an issue with ITVHD when using ATI / AMD drivers and the Win7 DTV decoders, but a driver update a year ago was supposed to have fixed it.

    I noticed a small bit of dropouts on some SD channels last night as well. The dish is a bit rusty and the LNB is a quad I picked up off of ebay. The problem might lay there perhaps.


  • #5
    fat-tony
    Registered Users, Registered Users 2 Posts: 2,711 ✭✭✭fat-tony


    I have an ATI HD card on-board and the recent releases of ATI drivers for Win 7 have all but eliminated any problems I had with HD decoding using the GPU hardware. There is a slight bit of pixelation when you initially select BBC or ITV HD, but it settles down quite quickly (within 10- 15 seconds). If you're having problems with MPEG-2 channels also it would point to a signal quality problem, or perhaps you are actually picking up interference on the cables.


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