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Upconverting SH to HD
So I’m cutting a film with 50% HDV 1440×1080/24p and 50% SD (PAL and NTSC). I’m working on creating a presentation for acquisitions that can be shown in HD projection or HD-DVD.
I can’t afford to up-convert right now with Terranex. I am looking for a way to up-convert SD to HD in Apple Compressor. I love the de-interlace quality of Compressor, and now I need help to get the best up-convert Compressor can handle.
I searched online for any discussion about Adaptive Details in Compressor, like Anti-Alias and Details Control; this “seems” to be the first post on the subject.
I have been experimenting and making tests. I thought I’d post my up-conversion technique in hope that others can comment on and contribute their workflow.
I’m using Compressor v3.0.1
For 4:3 DV clips:
1) Scale DV clips in FCP timeline set to “ProRes (HQ) 1440×1080 50i.” I scale in the “Motion Tab” for both Pillarbox and Widescreen (depending on the shot).2) Export from FCP timeline to Compressor (I heard unrendered yields better results).
3) In Compressor I set my compression settings to “ProRes 422 (HQ)” and check the box called, “Enable 4:4:4: chroma filtering.” I leave Frame rate set to “Current” for PAL clips and “23.976” of NTSC clips.
(I’m not really sure what the “Enable 4:4:4: chroma filtering” does to the clip. Do I really need it?)4) Sound settings I leave as “Apple Lossless.”
5) In Frame Controls I set Resize Filter to “Best”; Output Fields to “Progressive”; De-interlace to “Better”; Rate Conversion to “Better”
6) In Geometry I set my frame size to “1440×1080” and Pixel Aspect to “Default.” I suppose you could leave the frame size to “100% of source.”
7) As for “Adaptive Details” I have the boxed checked but I leave Anti-Alias and Details Level set to zero because I don’t know what to do with those.
From pages 258 -259 in Compressor User Manual:
– Adaptive Details: Select this checkbox to use advanced image analysis to distinguish
between noise and edge areas.– Anti-alias: Use this slider to set a softness level from 0 to 100. This parameter
improves the quality of conversions when you -
2 Replies
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Hi Jacob,
I think that your worflow is correct.
I can not tell you much about the “Anti-alias” and “Detaill-level” but about the setting you should read this. Is from the SHAKE manuall but you can apply it to Compressor too because they use the same engine:
“Fast Vs. Best Settings for Adaptive Retiming
When setting up an adaptive timing operation, you might be tempted to simply choose Best across the board for every parameter. This would probably be a mistake -
Sorry I forgot to include this paragraph. The same than the one before, is from the SHAKE manual, but applicable to Compressor:
“Motion: Two options determine the trade-off between image quality and processing time
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