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Activity Forums Blackmagic Design Audio pops and video glitches

  • Audio pops and video glitches

    Posted by Thrill Media on September 4, 2007 at 3:44 pm

    Well…I just bought the Decklink HD Extreme PCIe card and have had a lot of problems with it. The audio pops and the video just glitches on my NTSC monitor. Anyone have any ideas? This is causing a lot of headaches. My tech thinks it might be a PCI bus contention issue.
    Win XP, Intel D975xBx2, Disabled onboard sound, raid controller and have reduced USB to only 2 ports in an effort to reduce the amount of IO andfree up the bus for the HD card. We updated the Bios to the latest version, updated the inf drivers and using 6.4 version of Decklink software.
    Has anyone used the board successfully in this configuration and if so, what can we do to get it working?

    Thanks,
    Curtis

    Keith Koby replied 18 years, 8 months ago 2 Members · 4 Replies
  • 4 Replies
  • Keith Koby

    September 4, 2007 at 6:07 pm

    Don’t know much about windows land. Sounds like a ref problem or a routing/feedback problem.

  • Thrill Media

    September 4, 2007 at 7:58 pm

    Thanks Keith! You are exactly correct! I did have the sync looped…grrrr. 🙁 Evrything seems to be in working order now. However, I do have a couple more questions.

    I have the “Set black ref on video output in capture” option selected. My understanding is that when I am capturing, sync is fed to my BetaSP deck, otherwise it is not. So, I don’t need sync fed to the deck or card for any other reason?
    Also, although the card is controlling the deck(ff,rewind,shuttle, etc) it stops a the capture point instead of proceeding with the capture. Any thoughts?

    Thanks!!!

    C

  • Thrill Media

    September 4, 2007 at 10:02 pm

    OK, seems like everything is working super! Not sure what I did, if it was one of the restarts or what. Thanks again Keith…you got me started on the right path. Everything fell into place after that.
    C

  • Keith Koby

    September 5, 2007 at 12:03 pm

    cool! Glad I could help!

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