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Best path for scaling down Prores HQ to Mpeg2 files for DVD
I have always gone one route when encoding ProRes HQ 1920×1080 files to Mpeg2 720×576 for use in Encore.
1) Create a new sequence in Premiere CS5 (DV widescreen 48k),drop the ProRes file on to the timeline and reduce the scale by 55%, then render out with both “Render at max depth/scaling” ticked.
I’m please with the end results, usually 18 hours later on a 90min film, but in the search to reducing any aliasing in the usual shots (blinds, french sweaters etc) should I go a difference route?Does anyone place the HD file on a HD timeline and render straight from that just using the output cropping tool to elimate the pillarboxing?
Thanks in advance.
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5 Replies
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Is there any reason why you do not want Adobe Media encoder to do the heavy lifting (Compression) for the PAL DVD MPEG-2 files?
“Think of everything in terms of building capacity.”
Kris Merkel
twitter: @kris_merkel
Product Manager, Flanders Scientific Inc.
http://www.shopfsi.com
Co-Founder, Atlanta Cutters Post Production User Group
http://www.atlantacutters.com2.2Ghz MBP core i7
16Gb RAM
CS 5.5
FCP7 and Studio
Blackmagic Design UltraStudio 3D
AJA IO XT
FSI LM-2340W
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Thanks Kris,
I do let AME do all the heavy lifting, I just use Premiere to scale it down and do any 24 to 25fps adjustments I need to before sending it to the queue in AME.
Cheers
Matt -
You might see better spatial results if you do the scaling in AME as part of the encode. As far as speed increases I couldn’t say one way or another because this is not a workflow that I use. I do however always let the encoding tool, AME, Compressor, Episode ect do the scaling of the final output.
“Think of everything in terms of building capacity.”
Kris Merkel
twitter: @kris_merkel
Product Manager, Flanders Scientific Inc.
http://www.shopfsi.com
Co-Founder, Atlanta Cutters Post Production User Group
http://www.atlantacutters.com2.2Ghz MBP core i7
16Gb RAM
CS 5.5
FCP7 and Studio
Blackmagic Design UltraStudio 3D
AJA IO XT
FSI LM-2340W
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Why not send your HD sequence straight to Encore (via Dynamic Link)? This will use AME to do the scaling.
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You still have to crop the top/bottom of a 1920×1080 frame to get a 720×576 (1.46)frame without any pillarboxing, 15 top and bottom in the crop function on the source/encode window seems to do the trick.
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