I was editing an over 2 hrs project. Have to split into many smaller events and delete some of them. I always delete video and audio at the same time. But at end, I found in some events, video and audio are not in synchronization.

I have two questions, 1. What is the reason for that?

2. Is there any way that I don't have to deal with original audio in the captured video? Some softwares integrate the video with original audio in the timeline, leave audio tracks only in case you want to add new audio or music. I don't know if Screenblast can do that. Otherwise every time I delete a piece of video, I have to remember to delete the audio as well. If forgot, especially when the piece is very small, you have no way to find out in the timeline.

Thank you a lot.

Qing