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Old April 21st, 2008, 11:28 AM   #1
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4:2:0 MPEG HD to 4:2:2 SD Pro Res HQ

Question: Trying to find the best prractice method of shooting in 1080P on a Sony EX and downconverting to standard-def ProRes for editing and deliverables. I'm hoping to retain the additional color lines and end up with the higher color space in the lower resolution. I need to lock down an injest method of this nature because I will be dealing with a great deal of content. Would like to automate the crop so we save a centered 720x480 image losing the extra width (no letterbox).

Any suggestions...
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Old April 21st, 2008, 03:01 PM   #2
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simply load & edit in XDcam in the first place, then output a centercrop via Kona / BM in realtime, or nest the HD TL into a SD TL for export.
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Old April 23rd, 2008, 12:09 AM   #3
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Something else to think about, if your planning to use ProRes and delivering SD, ProRes medium quality is more than enough. ProRes medium quality is 140Mb/s ~equal to HDCamSR, ProRes (HQ) is 220Mb/s high enough quality to go out to film.
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Old April 28th, 2008, 07:06 PM   #4
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Final deliverable will be MPEG2 to be played off a dedicated MPEG2 player on a closed circuit cable tv network. Need to avoid excessive rendering times. How does this affect the codec workflow
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