QuickAnswerHelpful:DVD VP9 timeline render quality

kentwolf wrote on 6/23/2010, 6:19 PM

Doing all in SD. I was given a finalized DVD to redo. Need changes to the root video. Menus, etc. do not matter. Just looking to edit the content.

I used the Import “DVD Camcorder Disk” means to get the video on to my timeline. I can make the needed changes, not a problem.

Question: When rendering to use on another physical DVD, with the video imported from a DVD source, are there any advantages/disadvantages to rendering back to MPG2/elementary video stream? I am almost tempted to render to DV, and then go from there…any suggestions for this?

Thanks!

Comments

kkolbo wrote on 6/23/2010, 6:32 PM

I would stay with MPEG 2 at this point, elementary stream or program. Going to DV you are going to convert the Chroma subsampling from 4:2:0 to 4:1:1 and then convert it back to 4:2:0 in DVDA when authoring. Back and forth like that tends to loose vibrancy. JMHO

KK

Former user wrote on 6/23/2010, 6:33 PM

You are going to have to have an MPEG2 file for the DVD. No need to add more compression by rendering to a DV format from an MPEG format.

If you needed to do a lot of editing and effects, I would suggest that you render to a lossless compression such as Lagarith or HUFFYUV, but in this situation, just go straight to the MPEG2 file.

Dave T2

kentwolf wrote on 6/23/2010, 7:07 PM

Thanks, guys!

Fortunately, I do not have much editing to do. A few cuts and music swap outs.

>>...If you needed to do a lot of editing and effects, I would suggest that you render to a lossless compression...

In the case I did have to do a lot of edits, are you saying, render to a lossless format *after* I do the edits, then to MPG2?

Thanks again!!

Former user wrote on 6/23/2010, 7:09 PM

No. I would render to the lossless format, edit using the rendered file and then render that to the MPEG file. Vegas will handle the AVI codecs on the timeline better than an MPEG file. (at least, most of the time it does).

Dave T2

kentwolf wrote on 6/23/2010, 7:12 PM

OK. Thanks for the info!