I would love to know, if anyone can tell me. How can i Resize a video, make it smaller or larger without cropping it. So I can add 3 or 4 videos to one video, have them playing at the same time.
I've used Satish's excellent 3D PluginPac to do this. I created an intro video that had 9 videos shooting into the scene and all playing in small windows much like you see on some news channels. Might want to give it a look.
This seemed a bit of a roundabout way to do it to me, but I do like the way it allows you to create a soft, diagonal split between the two videos. Check out the split screen tutorial at http://www.martyhedler.com/homepage/Vegas_Tutorials.html .
Regular old Track Motion (found on the video track header) will do this; create multiple tracks, use track motion to position each one where you want it in the final output.
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Don't forget you can zoom in/out too. Click on the Event Pan/Crop button, drag a corner in towards center to zoom in. If desired set keyframes to automate the zoom, going in and out or combine with panning. This isn't limted to video, you can do the same with still images. SPOT has several tutorials on keyframing on his site.