Chris Babbitt
Forum Replies Created
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I just tried it Kevin and it works for me. 1080i footage. You might try re-installing Boris. I remember the same thing happing to me once before, but I can’t remember what caused it.
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I think 5.0 is a bit low for CBR. Will it fit if you use 6.0? That should give you pretty good quality. Otherwise, I would use 2-pass VBR. 7.7 is pushing it a bit. Personally, I keep it below 7.5, and only if you are doing AC3 audio.
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You might want to head over to the Sony CineAlta forum. Lots of good info there. I’d also recommend the DVD training set from Vortex Media “Mastering the EX-1.”
You’re right, capture settings are no longer relevant. You could capture with ProRes using a capture card, but then you lose one of the biggest advantages of the EX tapeless workflow. The prevailing wisdom is to edit in native XDCAM, but set your sequence to render using the ProRes codec. The eliminates the constant conforming time as you edit. -
Yes & also some serious Compressor issues as I recall.
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I guess we’ve strayed a bit off topic here. My original point was that in Mr. Fielding’s case, the fact that his timeline wasn’t fully rendered or mixed down probably wasn’t what was affecting his performance, since Compressor re-renders everything anyway when encoding the Mp4 file. Rendering would only be an issue if playing the timeline or exporting a Quicktime Movie with Current Settings.
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I have found, though, that it takes considerably longer to render first. I have heard that when exporting directly from the timeline, Compressor accesses the original files and re-renders everything. The render files are ignored. Is that not correct?
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David,
If you export directly to Compressor to encode into another format, is it really any benefit to render first? I have encoded mp2 files in Compressor from an unrendered timeline, and everything plays and looks good. Rendering first just adds a whole bunch of extra time.
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Don,
What method do you use for downconverting?
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One more thing worth trying. Export directly to Compressor from your HD timeline and don’t render first. That’s what I did.
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First of all, for a 10 minute program, there is no reason to use Best Quality or VBR encoding. Set your bit rate for CBR 1-pass encoding at around 7-7.5. However, I don’t think this is your problem. It might have something to do with your monitor. I tried 3 different tests (you can see my post in the Sony CineAlta XDCAM forum). I exported directly to Compressor from the HD timeline, then I tried editing in HD & pasting that into an SD timeline before exporting, and lastly, I did the full edit in an SD timeline before exporting. All three yielded identical results. The DVD looked great on my big HD TV, but on my SD CRT TV, I got mild aliasing, most notably on slow pans. I’m thinking this may be because my SD monitor does not support Progressive video.