Question about HAP format

Engaged ,
Mar 10, 2022 Mar 10, 2022

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I'm working on a project for large screen playback, and it will be played back in Disguise in the HAP format. My video has to be rendered in 16-bit to avoid banding issues, but will then be converted to HAP.  I've read that HAP is an 8-bit format.  Does anyone know if that means convesion to HAP will reintroduce the banding problem?  Thank you!

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Community Expert ,
Mar 10, 2022 Mar 10, 2022

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8-bit footage, no matter what the format, is subject to banding. You can reduce the visibility of the banding by introducing a little noise in the shot. If you want to avoid 8-bit banding altogether, you have to ensure that there are no subtle gradients in the project.

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Adobe Employee ,
Mar 11, 2022 Mar 11, 2022

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Hi kalibahlu,

 

Thanks for writing in.

Here's an example of what Rick is referring to: https://www.youtube.com/watch?v=rWAp7E6OLok&ab_channel=JustinHemsley

Hope it helps.

 

Thanks,

Nishu

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Engaged ,
Mar 11, 2022 Mar 11, 2022

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Thank you both for your answers.  I just found AfterCodecs which I'm about to puchase, but first, do either of you know if the HAP codec is included with Media Encoder now?  I see it's been around for a while, so maybe I just don't know where to look,  That way I can test it out before adding noise, in case it isn't necessary.  Thank you!
UPDATE:  I installed the HAP codec for Adobe CC, and compressed to HAP and HAPQ in Media Encoder, and came back to share my results. HAPQ looks amazing, but HAP looks very bad, a lot of banding.

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