Vegas Platinum 9 Stutter with HMC40 720/60p Clips

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dan.carter

Well-known member
I'm having a strange stutter working with HMC40 PH720/60p clips in Vegas Movie Studio Platinum 9b. My project properties are set to 720/30p. After dragging clips to the timeline, they often show an incorrect thumbnail. Playing the clips often stutter so bad as to show frames from a previous clip. The clips may also backup a few frames before moving forward. If I time stretch or compress a clip, it becomes a real mess and must be deleted and replaced.

Strangely, if I "force resample" all clips, I can play and render successfully, but this setting is contrary to most recommendations.

I wonder if others have experienced this and found a solution? Or maybe Movie Studio Platinum 9 isn't equipped to deal with these files well?
 
If the resampled version plays correctly, then it's a bug on Vegas. File a bug report with Sony, and maybe even send them a link for one such file.

Alternatively, edit at 60p (59.94 fps), and only export at 30p at the end (and disable resample before you do, to avoid ghosting). See if that does anything differently.
 
Thanks for the advise Eugenia. I've found other helpful tips on your website, so thank you for that as well.

I had tried editing at 60p with resample disabled, but the stutter was really bad there too. The only thing that would get me a successful render was forcing a resample. Strange.

Interesting thing, I installed the Vegas Pro 9c demo to test these same clips, and all work perfectly, so I upgraded to Pro.

Thanks again.
 
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