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Re: How can I re-edit DVD media and put back on DVD without recompressing?
not really..
though, you can rip the vobs from the DVD, demux them into audio and video, use a SPLICER (only) that doesn't reencode on the audio and video streams SEPARATELY, then align them (to sync) and remux to VOB without reencoding.
DVD Lab Pro (and a few other editing suites) will demux the streams for you and allow to line them up to for re-muxing. If the audio is uncompressed (Linear PCM @ 48kHz), you can just edit the WAV file and mux it back, no problem. If it is AC3, you'll need a tool that will SPLICE EDIT AC3 - not reencode it. This limits what you can do, obviously. Same for the video stream.
I have done this before to remove bad audio (just replace it with silence) or insert audio in a section of a PCM audio stream... but, if your plans involve anything other than simple splice editing, you can't really do it without reencoding.
A DVD is really a finished product. Trying to 'fix' one after it has been authored, is a limited-scope project.
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"There are some of these recordings where it is just a whirring, and you cannot hear the music. " - Jimmy Page, 2007 / JUL / 26
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