BEST Workflow? MPEG-2 Cutting and preparing for DVD...

Hi all
I am in the process of putting together a showreel. The only way I can get my work on a DVD is to record the DVB-T Stream (its Swiss Television), which Quicktime says is "MPEG2 Muxed, 720 x 540 Pixel" - and it's with 25fps.
Now I'd love to cut those Files in FCP with as high quality as possible and export it for DVD-Studio. If I would not be cutting these files, as I already did last year, there is not much conversion but only demuxing needed to use them in DVD Studio.
But how can I cut those MPEG-2 in FC Studio 2 without much quality degredation?
Whats the best workflow for this?
I read somewhere here in that forum, that I have to convert this into DV, cut it in FCP, and then convert it again to MPEG-2 -- but that sounds like a lot of compression going on...

Thanks for your reply Shawn.
Im aware of the fact that a recompress is not the best way to go. But I don't have any other chance, since a broadcasted signal is already in MPEG-2 and there is nothing I can do about it, this is my only available source. There is no tape for me.
I was basically just wondering if there is something like a smart Compress..say, it only recompresses where there have been changes, between two I-Frames... and evrything els thats unchanged just get copied. that would be the way to go...
Message was edited by: loop 66

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BEST Workflow? MPEG-2 Cutting and preparing for DVD...

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