Editing MPEGS without re-encoding at DVinfo.net

Bruce Pelley · August 9th, 2011, 09:18 AM

I have MPEGS which need certain parts cut out of them.

Once on the timeline and edited what I don't want to do is be forced to re-encode it when attempting to save the edited file which will further degrade visual quality.

Is there a way to achieve this with Premiere?

Thanks

Bruce Watson · August 9th, 2011, 12:24 PM

I don't believe it's a problem. My understanding is that Premiere Pro editing is referenced to the original file. There is therefore no re-encoding, and the edits are generally non-destructive (that is, reversible) without changing video quality, because the original file is never changed.

Ann Bens · August 9th, 2011, 01:16 PM

Premiere will re-encode as it does not do smart render.
If you want smart render then you will need the Mainconcept HD plugin.
Or use an intermediaire codec.

Bart Walczak · August 10th, 2011, 01:32 AM

I was under the impression that you can't frame-accurately edit MPEG and not reencode it due to the nature of its compression. The only way to do it that I found was if I was creating a DVD, I could use Encore to "edit" the files but then your only output would be VOB files. You can then use MPEG Streamclip or Vobrator to recover the stream, but it is a painful process.

Premiere will always re-encode.

August 9th, 2011, 09:18 AM	#1
Bruce Pelley Major Player Join Date: Feb 2003 Posts: 339	Editing MPEGS without re-encoding I have MPEGS which need certain parts cut out of them. Once on the timeline and edited what I don't want to do is be forced to re-encode it when attempting to save the edited file which will further degrade visual quality. Is there a way to achieve this with Premiere? Thanks

August 9th, 2011, 12:24 PM	#2
Bruce Watson Major Player Join Date: Mar 2010 Location: Raleigh, NC, USA Posts: 710	Re: Editing MPEGS without re-encoding I don't believe it's a problem. My understanding is that Premiere Pro editing is referenced to the original file. There is therefore no re-encoding, and the edits are generally non-destructive (that is, reversible) without changing video quality, because the original file is never changed.

August 9th, 2011, 01:16 PM	#3
Ann Bens Major Player Join Date: Jun 2007 Location: The Netherlands Posts: 710	Re: Editing MPEGS without re-encoding Premiere will re-encode as it does not do smart render. If you want smart render then you will need the Mainconcept HD plugin. Or use an intermediaire codec.

August 10th, 2011, 01:32 AM	#4
Bart Walczak Major Player Join Date: Apr 2006 Location: Warsaw/Poland Posts: 716	Re: Editing MPEGS without re-encoding I was under the impression that you can't frame-accurately edit MPEG and not reencode it due to the nature of its compression. The only way to do it that I found was if I was creating a DVD, I could use Encore to "edit" the files but then your only output would be VOB files. You can then use MPEG Streamclip or Vobrator to recover the stream, but it is a painful process. Premiere will always re-encode. __________________ Creative Impatience - The Solace of Simple Solutions. A few useful plugins for Adobe users, and my remarks on the tools and the craft in general.