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    Moderated By: claudio
    Agoraquest Forum Index Television Configuration
      
    Black Level - Progressive vs. Interlaced Dashboard
    Replies: 1 | Views: 1,227
    Last Reply: February 20, 2004, 4:49 pm

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    Author Black Level - Progressive vs. Interlaced
    jchamber

    Rank: Sony Fan


    Joined: Dec 28, 2003
    Posts: 8
    From: Morgan Hill, CA

      Posted: 2004-02-20 14:43

    I have the Sony KF-42WE601 LCD projection television with a DVP-NC685V DVD player.

    I am also using high quality Tributaries Silver component video cables.

    When using the Video Essential or THX Optimizer, there is a noticeable difference in black level between the "Progressive - Auto" setting on the DVD player and the "Interlaced" setting. Both calibrations point out that much equipment cannot display certain blacks. 

    However, my set up seems to be able to display the deepest blacks until it is set to progressive scan mode.

    For example, in when in the interlaced setting, the THX shadow is visible, but when switching to progressive, it turns gray and is not visible.

    Anyone know why this might be?



       


    rkkwan

    Rank: Ultimate Sony Reviewer


    Joined: Aug 23, 2002
    Posts: 2623
    From: Houston, TX

      Posted: 2004-02-20 16:49

    I had the same problem with my NS900V. I thought Sony would have solved the problem, or let the user control black level when using the progressive output. You may want to check your unit and manual whether such setting exists.

    The basic problem is this. Interlace output should adhere to the NTSC standard of 7.5IRE as blakc. However, progressive output should go down to 0IRE. However, if the progressive scan output is still at 7.5IRE, then you'll lose black detail.

    Another remedy is to adjust the gamma level, if your player has those adjustments. My 900V does, and I'm able to get satisfactory black after manually adjusting the gammas. Dont know if the 685 has that.

    -----------------
    -Ray
    SCD-C222ES, Panasonic DVD-CP72, Rotel RCD-961
    B&W 601/2s3, Yamaha RX-V1300, HSU Research VTF-2
    Samsung TXM2796HF & SIR-T151


         
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