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Activity Forums Apple Final Cut Pro Legacy slow going in HD

  • slow going in HD

    Posted by Sbrand on June 21, 2007 at 2:10 am

    We are working on the newest Intell Macs and I can’t understand why the playback is so slow that audio is out of sync. I rendered one HD clip, and everything worked fine.
    Is there a guide to keeping a system optimal for ND editing?

    Jeremy Garchow replied 18 years, 10 months ago 4 Members · 5 Replies
  • 5 Replies
  • Jeremy Garchow

    June 21, 2007 at 2:48 am

    Need way more info, such as speed of scratch drives, codec, RAM, OS, version of FCP, etc etc etc

  • Bart_s

    June 21, 2007 at 3:43 pm

    6.0 4 gigs of ram OS 10.4.9
    2 x 3 GHz Dual-Core Intel Xeon
    Scratch disc is an internal Hitachi HDS725050KLA260 465 gig capacity.

  • David Bogie

    June 21, 2007 at 4:49 pm

    That’s a good start.
    Which of the dozen or more “HD” formats?

    bogiesan

    This is my standard sigfile so do not take it personally: “For crying out loud, read the freakin’ manual.”

  • Bart_s

    June 22, 2007 at 2:16 pm

    From movie info:
    Uncompressed 8 bit, 1280 x 720, millions
    24-bit integer (Big Endian), Mono, 4800 KHZ

    FPS: 23L98

    data size 58.72 MB

    Data Rate 377.01 mbits/sec

    If you can tell me how to find more information about the clips, I will be happy to supply it.

  • Jeremy Garchow

    June 22, 2007 at 2:30 pm

    You are trying to do uncompressed HD off of a single SATA drive?

    For uncompressed HD you need a 5 drive array or better.

    Try capturing to the DVCPro HD codec, even then, you should have a two drive striped array at the least.

    Jeremy

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