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Thread: jerky video input frame..

  1. #1
    Join Date
    May 2010
    Location
    SEOUL. SOUTH KOREA
    Posts
    5

    jerky video input frame..

    hi this is monty from far east
    I have catalyst pro 2008 8core machine with 2 of LFG & multibridge pro

    question is that is there any issue with 29.97 fps live input?
    I have jerky video input (especially with camera PGM) every 5 second.
    it looks like pull down frame drop sometimes...

    when I change to 25fps it looks okay...
    but here is NTSC area.

    please help
    thank you
    monty

  2. #2
    Join Date
    Oct 2004
    Location
    UK - Milton Keynes
    Posts
    807
    Hi Monty

    Hope you are well

    Your frame rates should all be the same (or exact multiple) throughout the system...

    ie - if your screen runs at 60Hz, then your content should be 30fps and your video inputs should be 30fps (NTSC)

    If they are different - then you may see flicker or 'jerky' video input...

    Simon
    Last edited by Mr_P; 22-08-2010 at 10:49 PM.
    Simon Pugsley

    SNP Productions Ltd. (UK)
    Lighting & Video Control Solutions
    Catalyst|Sales|Hire|Training|Support
    Catalyst Dealer UK Europe & Worldwide...

    Office: +44 (0)1908 410129
    Mobile: +44 (0)7958 390034
    simon@snp-productions.co.uk
    www.snp-productions.co.uk

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