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8bpc or 16bpc for broadcast - Prores 422HQ

New Here ,
Dec 27, 2021 Dec 27, 2021

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Hi everyone, 

I'm about rendering a Prores 422HQ 25fps upper field first file for broadcast TV. Should I set the bpc to 8 or 16? 8bpc is ticked by default. Should o change it? Which will pass QC?

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LEGEND , Dec 27, 2021 Dec 27, 2021

I used to always say the 8bpc is fine. But in some intense testing by @Jarle Leirpoll he found that indeed, setting the 16bpc switch is wise in both seqeunce settings and in exports for many things ... especially 'upper' Q DNx and ProRes formats.

 

So ... probably the 16bpc option is at least safest if not wise or (quite possibly) necessary.

 

Neil

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LEGEND ,
Dec 27, 2021 Dec 27, 2021

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I used to always say the 8bpc is fine. But in some intense testing by @Jarle Leirpoll he found that indeed, setting the 16bpc switch is wise in both seqeunce settings and in exports for many things ... especially 'upper' Q DNx and ProRes formats.

 

So ... probably the 16bpc option is at least safest if not wise or (quite possibly) necessary.

 

Neil

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New Here ,
Dec 27, 2021 Dec 27, 2021

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Thanks for your quick response. I appreciate

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Explorer ,
Mar 08, 2023 Mar 08, 2023

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thanks for this

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New Here ,
Feb 07, 2024 Feb 07, 2024

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I read that using the option ,,Render at Maximum Depth" automatically sets the depth to 32 bpc and there is no need to choose 16 bpc, is that right?

 

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LEGEND ,
Feb 07, 2024 Feb 07, 2024

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That is the way it clearly used to work ... but in testing by Jarle, and replicated by me ... don't assume so anymore. If you need that bit depth, check the 16bpc box also. Simply "work safe".

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