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Rob Mack
September 27, 2007 at 2:01 pmAnd you get a quality loss wherever you have anything but untouched DV footage. For instance, all transitions will require reencoding, and you’d get better looking transitions if you went straight from the timeline to mpeg2. Same goes for generated text, the encode back to DV (4:1:1) and then to Mpeg2 (4:2:0) is not as good as going direct from the timelne to MPEG.
Consider that an unrendered timeline is essentially a 4:4:4 image in RAM. (Or at least the frame you’re viewing at the moment is 4:4:4. It’s just what’s in RAM at the moment.) Sure, that’s uncompressed frames of DV originated footage, but when Vegas generates a transition it’s uncompressed until you render it.
Rob Mack
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