Big Screen Pixelation

Discussion in 'Archived Threads 2001-2004' started by Dirk Grace, Sep 10, 2002.

  1. Dirk Grace

    Dirk Grace Agent

    Joined:
    Aug 24, 2002
    Messages:
    25
    Likes Received:
    0
    Finally got my Toshiba 42H82 from Cyberteria (poor shipping) and got everything hooked up. The Philips DVD looked great, but many of the cable channels were fuzzy and grainy. So I cut the cable and installed Dish TV HDTV/SDTV system. The HDTV looks great, but the SDTV picture quality generates a lot of pixelation. Almost looks like you are watching through a fine wire mesh screen. Tried both S-Video and analog connections on both HD and SD receiver settings and still got pixelation. Even got worse when I went to 16.9 aspect. Talked to a Dish TV tech who said that many owners of big screen HDTVs were calling about the same problem, but he was not sure of any answers and scheduled a tech to come out in a couple of days. If anyone has any ideas that I can try, I would greatly appreciate it![​IMG]
    Thanks,
    Dirk
     
  2. Robert_J

    Robert_J Lead Actor

    Joined:
    Aug 22, 2000
    Messages:
    8,288
    Likes Received:
    51
    Location:
    Mississippi
    Real Name:
    Robert
    Turn the sharpness all the way down is a start. Calibration will make it look better but it will never look like HD. Dish and DirecTV both over-compress their SD channels. They make more money with variety rather than quality.

    -Robert
     
  3. Dirk Grace

    Dirk Grace Agent

    Joined:
    Aug 24, 2002
    Messages:
    25
    Likes Received:
    0
    Thanks Robert, I will try it out.

    Dirk
     
  4. Allan Jayne

    Allan Jayne Cinematographer

    Joined:
    Nov 1, 1998
    Messages:
    2,404
    Likes Received:
    0
    Is the fine mesh screen effect there, and with the same pitch, with over the air standard broadcasts? If not, the TV is probably not at fault.
    If the mesh gets proportionately wider when you switch to 16:9 mode (16:9 TV) that does not prove anything.
    It is possible for a screen effect to be introduced by the cable or dish transmission process as a result of compression used to put more channels on the cable.
    Video hints:
    http://members.aol.com/ajaynejr/video.htm
     
  5. Dirk Grace

    Dirk Grace Agent

    Joined:
    Aug 24, 2002
    Messages:
    25
    Likes Received:
    0
    Thanks Allan. Good link!
     

Share This Page