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Activity Forums Apple Final Cut Pro Legacy sequence weird audio and dropped frames issue

  • sequence weird audio and dropped frames issue

    Posted by Jeff Carbonneau on February 24, 2010 at 8:49 pm

    I have a new issue that I’m stumped on. I’ve been editing native on a ProRes timeline (HDV captured to ProRes) 29.98 Frame Rate 1440 x 1080. A project that I’ve been heavily editing for three days now. My system is 2 x dual core intel with 4GB RAM, and 1.5TB 3 Sata Drives internal RAID. Final Cut Pro 6.0.6…….still on Tiger OS 10.4.11 …….. My RAID is only half full so there’s no space issue, and a Disk speed test was good. okay here’s my issue….. Final Cut just started acting really weird. I play my sequence and the first thing you notice is that the sound is screwed up. One channel will seem to play in real time and the other channel is behind it so there’s a weird echo. I’m also getting the “dropped frames” warning that comes up which stops my timeline in its tracks. I’ve tried everything. Trashed the Preferences…. repaired the permissions…. ran disk warrior…. ran Mac Janitor…. ran Cache Out X….. and it’s still having the problem. First I thought it was just that project, but i opened another project even in SD and it had the same issue. Out of curiousity, I changed my audio output to the macs internal speaker and it still had the problem. So that’s it I’m stumped! Please Help if you can….. thanks

    John Fishback replied 16 years, 2 months ago 3 Members · 2 Replies
  • 2 Replies
  • Mike Raff

    February 24, 2010 at 10:23 pm

    Sounds like it might be an audio sampling rate issue. Check the item properties of a clip and if the Audio Rate is 44.1kHz, that’s very likely the problem. Convert the files to 48.0kHz and see if the problem goes away.

    Good luck!

    Mike Raff
    Richmond, VA

  • John Fishback

    February 26, 2010 at 4:47 pm

    Try audio mixdown: Sequence > Render Only > Mixdown (or press
    Command-Option-R.

    John

    MacPro 8-core 2.8GHz 8 GB RAM OS 10.5.8 QT7.6.4 Kona 3 Dual Cinema 23 ATI Radeon HD 3870, 24″ TV-Logic Monitor, ATTO ExpressSAS R380 RAID Adapter, PDE enclosure with 8-drive 6TB RAID 5
    FCS 3 (FCP 7.0.1, Motion 4.0.1, Comp 3.5.1, DVDSP 4.2.2, Color 1.5.1)

    Pro Tools HD w SYNC IO & 192 Digital I/O, Yamaha DM1000, Millennia Media HV-3C, Neumann U87, Schoeps Mk41 mics, Genelec Monitors, PrimaLT ISDN

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