No Audio-Video synchronization in Ulead VideoStudio?

G-man · Post by **G-man** » Mon Apr 09, 2007 5:15 am

I thought I'd try Video Studio, v10, before buying it. But there appears to be a major bug in the program: when you add a transition effect to the video while adding a voice track in the Timeline, the audio becomes delayed for about 3-4 seconds. I looked at the index of the manual and no mention is made of synchronizing audio. Either a correction is possible but the developer was sloppy in compiling the manual, or the program is limited to working at the most basic level. I hope the latter is not true because I don't see much of an alternative in this price range, and the program is otherwise very nice.

AV synchronization is perfect until I add transition effects with an audio track imported. I created a three part video, demuxed the files, converted the mpeg audio to wave and used Nero Wave Editor to EQ the sound of each (Man, Nero Wave Editor has a bunch of features!). I then added the raw wave files to the voice Timeline. Next, I muted the audio in the video track, so that the three imported wave files would be used for the three MPEG video files, which were automatically joined seemlessly. The AV was perfectly synchronized. Wow! But then I added two transition effects and the AV sync went off by about three secs. I would have thought that the audio would be ahead, since I was adding to the video track; yet the audio is delayed!

Ulead's video quality is superb and the sliding image feature is hot. I'd be grateful for any ideas someone might afford me regarding the free guitar lesson video (part 1) I made available at my site, which is without the transition effect. Now if only I could add the rest!

G-man

Post by **Ron P.** » Mon Apr 09, 2007 11:29 am

Welcome to the forums,

Are you editing MPEG or DV? MPEG is more likely to pose audio/video sync problems, then DV. However it can be successfully edited. You just need to be real cautious on your edits.

By your description, I would guess that your transition is about same duration as your sync problem, correct? If so before adding any transitions, overlay tracks, audio or titles, invoke the Ripple Editing. It will lock the other tracks to the main track. Ripple editing is explained in the manual, starting on page # 64.

Black Lab · Post by **Black Lab** » Mon Apr 09, 2007 1:16 pm

I think what he is trying to say is he has two clips in the timeline. For example let's say, combined, they are 20 seconds long. His audio track is also 20 seconds long. If he puts a 1 second transition between his two video clips his total clips length is now 19 seconds, but his audio clip is still 20 seconds.

If that's the case I'm sorry to say that's the way it works. Think of it logically. A transition is really just an overlapping of two clips. If you have a 1 second transition, 1 second at the end of clip A and 1 second at the beginning of clip B will overlap, thus making your video 1 second shorter.

Post by **Ken Berry** » Mon Apr 09, 2007 11:03 pm

I know it's a bit like closing the stable door after the horses have bolted, but I always leave my audio editing to after I have done *all* my video editing. In other words, in the current circumstances, I would have done my cuts and added my transitions first, then worked out how long the audio needed to be to fit that length.