I downloaded the TMPGEnc DVD Author 3 Trial version to give this software a tryout and I thought this was exactly what I had been looking for.
That is until I found that it re-encoded my DVD compliant VOB files.
I've burned these VOB files to DVD before and they play fine on a standalone DVD player. I thought I would use TMPGEnc to edit out two short scenes out of it (each were about 15 seconds long). I was then horrified to find out that it re-encoded the whole video as a result.
This would have been a great program, but it should not re-encode already compliant files, and I will not buy this program because of this. I do not want to put my MPEG-2 files through even slightest degradation by a re-encode when it is completely unnecessary.
Here is a quote I read from an article regarding this issue:
Quote:
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"Be warned that your DVD authoring application should be capable of importing MPEGs – and author the DVD without re-encoding your expertly encoded video."
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http://www.videoforums.co.uk/guide-DVDencoding-51.htm
I will look for another program which leaves my files pristine and untouched. It's sad, because this program had promise.

When they make the "Smart Encoding" in this software truly "smart" by knowing when not to re-encode unnecessarily and leaving the original MPEG as original as possible, then I may reconsider.