Pro Tools 8 and jerky video problems

Pro Tools 8 and jerky video problems

There seems to be a number of reports about poorer video playback in Pro Tools 8 as reported on the Digidesign User Conference.

  • There seems to be a number of issues.

  • Using movies encoded with H264 seem to be more jerky in PT 8 than PT7.

  • There is a sound preferences setting that helps that has been around for quite a while. In Pro Tools sessions with QuickTime video, playback start time is significantly increased. This is an issue with QuickTime on Mac OS X 10.5.3. To avoid this problem, do the following before launching Pro Tools…

  • Open the Mac System Preferences.
  • Click Sound.
  • Click Input.
  • Select any input device other than Digidesign HW.
  • Note: In some circumstances, it is also necessary to also change the output to something other than Digidesign HW to resolve this issue.”

  • If you move the video window on the monitor to the edge of the screen so it is just poking out the playback on the screen fed from a Canopus or equivalent can be much smoother.

  • Digidesign are aware of the problem and apparently are working on a fix with Apple.

Comments (1):

  1. Digidesign have said this "We've identified the problem (it has to do with 'beam sync') and are working with Apple to identify a fix." Also later they said "This fix is something that's going to take some major work, which is why it didn't make it into this version. We expect it will be in the next update – but I can't say for sure until we've determined exactly how long implementing all the necessary changes will take."We will see but in the mean time try the work round.

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    Mike is Pro Tools genius and an award winning ‘audiomeister’, defined as ‘a person of great skill and authority in sound’. His vast array of credits include music (from classical to rock), drama and documentaries across all the BBC Radio networks, as well as audio post production for video and TV, ‘new media’, live sound, commercial CDs, DVDs and podcasts, helping clients tell their stories with sound. He has been described as "an oasis of calm in a stormy creative world"; "quick, creative & easy to work with"; "always going the extra mile"; and "invests himself in the success of your project"’.
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