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About MPEG 1

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About MPEG 1
on Feb 23, 2005 at 7:25:43 pm

Hello guys,

I really need help. I have a MPEG1 (VCD) stuff to edit. I know that I have to convert the DAT file to MPEG 1 format to edit. I’m using Vegas 5. I need to overlay some graphics into the existing clips. My problem is, I lost the quality quiet a bit after render it back as MPEG 1 format (Main Concept codec). Is there anyway to maintain the quality exactly the same as the original while overlaying all of the graphics into it as an MPEG 1 file ? What kind of editing software is suitable for this kind of work ?


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Terry Stetler
Re: About MPEG 1
on Apr 6, 2005 at 5:21:18 pm

The short answer is NO.

MPEG of any normal "profile" is intended for distribution, not editing. You CAN edit it of course, but as you have found the quality losses can be a bit abysmal when you re-compress the video on export.

The workaround is to use software like the Stoik Video Converter

and convert the MPEG to something else for the edit. DV would work nicely. This is known as using a "transitional codec".

Edit in this less-lossy format then export the timeline back to VCD legal MPEG-1 as the last step. You'll find you end up with far fewer "jaggies" from the edit.

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