Does trimming reduce quality?

[tim73]

I am currently using Sonic DVD to capture my old VHS tapes. I use the Trim funtion (Not edit), to cut the start and end of the clips before I transfer them to DVD. I know that MPEGS lose quality when you edit them, but does this include trimming the start and end of the clip? If so, should I try to capture just the clip I want, and burn it to DVD without messing with it? Thanks

[Cobra]

I don't think that trimming the MPEG in this way would reduce quality - it would be stupid to make an editing package that has to recode the entire clip to make changes.

The quality loss you may be thinking of is when you re-encode a movie, and so you introduce another set of comrpession artifacts into the image.

I think you will be fine. You can tell it is recoding the video if it takes ages to save changes - what it will probably do is copy the selection to a new file directly.

Hope this helps,

Cobra