dlp question

Discussion in 'Displays' started by BrandonJ, May 17, 2005.

  1. BrandonJ

    BrandonJ Auditioning

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    i was looking in tweeter at a 60 inch sony, i was watching a a concert film and it looked great when there was minimal movemnt but when a lot of action was going on i saw a lot of pixels in the area where the action was. now i dont notice this in my current 50 sony dlp (second gen i think) do you guys think this was the tv or the source or just a part of dlp?
     
  2. Tyson Wetzel

    Tyson Wetzel Stunt Coordinator

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    no real way to tell ya without seeing it I think
     
  3. Jim Mcc

    Jim Mcc Producer

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    I agree with Tyson. But it could have been the dreaded
    "rainbow effect". Was it a flash of red/green/blue? If so, that was the rainbow effect.
     
  4. BrandonJ

    BrandonJ Auditioning

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    no rainbow my 50 inch does that but i only see it fromwithin 5-6 feet, these were pixels like when you watch a video on a computer that was converted badly or better yet like almost like a older video game
     
  5. Leo Kerr

    Leo Kerr Screenwriter

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    Sounds like bit-starvation or encoder stress (often related.)

    Too little time to compress too much information into too little a space.

    Sound familiar?

    Leo
     
  6. John S

    John S Producer

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    actually sounds like a souce issue somewhat to me.
     
  7. trey-m

    trey-m Stunt Coordinator

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    I used to have a pixelation problem and the reason turned out to be a poopy progressive scan output from my cheap DVD player. Although, my problem was throughout the entire image, and extremely noticeable in stills (like DVD menus).
     
  8. BrandonJ

    BrandonJ Auditioning

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    thanks for the replies im going up there tommorow with some dvds i know and they are going to hook up that new yamaha progressive scan 6 disc for me
     
  9. Steve Schaffer

    Steve Schaffer Producer

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    Both your current Sony and the one you saw in the store are LCD, not dlp. Only dlp has the rainbow issue so it's not that.

    Of the microdisplays I've looked at the ones with the least pixilization seem to consistently be the Sony LCDs, the worst the Samsung DLPs.

    I would bet that the difference you saw was source related rather than anything inherent in the 2 sets.

    OTA HD will typically have the least pixellation as it typically uses the least compression, unless the particular station is doing several subchannels on it's digital feed. Cable generally is next, followed by satellite. DirecTV especially tends to starve their HD channel's bitstream, and Dish has recently followed suit.

    Most stores use either Dish or DirecTV for their HD demo stuff.
     

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