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Old 01-11-2020, 02:09 AM   #1
BernH
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Default Native ProRes question

I just had to take a ProResHQ file, replace the audio track with a different mic for broadcast level compliance and export the file ahain usin the same ProResHQ codec. A 20 minute file is expoting in about 6 minutes.

Can anyone confirm if Edius id doing a "smart render"/video pass through with the native Prores? It looks like it is.
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Old 01-11-2020, 12:21 PM   #2
David Clarke
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You could try Antons "difference" matte trick. Put the original on video one and the new one on video 2. Apply a difference blending mode to track to.



If the screen is completely back then they are exactly the same. Any slight flicks and it was remade and lost something.
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Old 01-11-2020, 10:44 PM   #3
BernH
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Quote:
Originally Posted by David Clarke View Post
You could try Antons "difference" matte trick. Put the original on video one and the new one on video 2. Apply a difference blending mode to track to.



If the screen is completely back then they are exactly the same. Any slight flicks and it was remade and lost something.
Thanks Dave, I'm familiar with the difference matte thing and no offence to Anton, but I'd hardly call it his, I have used it in other softwares for years, and it is a standard practice when conforming from one software to another to ensure all shots are correct.

That said, I did already check with a difference matte and I am getting totally black frames, but this is not really a 100% confirmation of the question.

If Edius is indeed using a "smart render" approach to prores, it could make Edius an attractive tool for versioning and packaging for distributors as they are often requesting Prores with discreet 1 audio channel per track (which I have already submitted a feature request for). The smart render approach means a lot less time required for versioning and it means retaining as much original quality as possible.
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Old 01-12-2020, 12:42 AM   #4
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Quote:
Originally Posted by BernH View Post
... That said, I did already check with a difference matte and I am getting totally black frames, but this is not really a 100% confirmation of the question...
Hi:
In addition to the difference matte and viewing the REC-window I start the Waveform-monitor and view the behaviour during playback.
Regards kurt
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Old 01-12-2020, 03:52 AM   #5
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Hi:
In addition to the difference matte and viewing the REC-window I start the Waveform-monitor and view the behaviour during playback.
Regards kurt
Thanks Kurt, waveforms look good and once again, this is not 100% confirmation of my question.

I am asking the question for 2 reasons. #1 the speed of the export suggests a video passthrough / smart render, and #2 if this is the case, Edius just became more valuable as a packaging and delivery tool. These points should be of interest to you too as I believe you also do a lot of cinematic deliveries to distributors if I recall correctly, although feel free to correct me if I am wrong.
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Last edited by BernH; 01-12-2020 at 07:38 AM.
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