Video shake in Vegas Video 3 when using Velocity Envelope or time stretching

jwols wrote on 9/22/2002, 4:08 AM
I am experiencing some problems whenever I try to slow down the speed of a video event, by either using the velocity envelope or the time stretching feature in Vegas Video 3. The video looks okay when I preview it, but once I render it and play it back on the TV or the computer, the video is jerky and shaky. Can anyone offer some advice?

Comments

SonyEPM wrote on 9/22/2002, 8:51 AM
enable event>resample for any timestretched video event- this often helps.
Spot|DSE wrote on 9/22/2002, 10:50 AM
Also render at BEST setting, and also try selecting "reduce interlace flicker" at the same time you select resample.
Paul_Holmes wrote on 9/24/2002, 8:43 AM
I had this problem especially with envelope velocity. In one movie I wanted to make a little girl going down a slide reverse and go back up it. Looked great in preview, but bad after render. I think the suggestions above are great, but I like mine best. I bought DVFilmMaker (http://www.dvfilm.com/maker/index.htm) for &95. You don't need this (deinterlacing would do it), but I love the way it takes my interlaced footage and selectively deinterlaces it when needed, adds a little film grain (almost unnoticable) and adds a little red. Takes a long time to render on my 650 mhz, but I love the results so much (by the way, the little girl going backwards looks flawless) that I can't live without it!
JonnyMac wrote on 9/24/2002, 9:16 AM
Have you been able to use DV Filmmaker with footage captured using VV3? I just switched to VV3 and when I ran DV Filmmaker it complained that it couldn't find my codec.
Paul_Holmes wrote on 9/24/2002, 10:29 PM
The only thing I can think of, if you've rendered your default avi correctly, is that you're not running Quicktime 5 or 6, which is required.

One problem I ran into was that after rendering it with DVFilmMaker, the new avi worked great in Vegas, but when I tried to save it to DV Tape, it didn't save the sound. My only workaround was to rerender the DVFilmMaker AVI as a new AVI (in Vegas), and that version saved to tape correctly.
JonnyMac wrote on 9/24/2002, 11:48 PM
I tried it on a "raw" capture file and had problems -- once I edited and rendered, everything worked fine. Haven't tried to export to tape yet, so thanks for the tip.
TLT wrote on 9/29/2002, 1:24 PM
When I have a project with stretched video, I select event to end and check the resample box in the switch for the entire video. This gives me good results and removes any shaking from the slow mo portions.