View Full Version : Premiere's 'maximum bit depth' check-box


Graham Hickling
January 20th, 2009, 01:36 AM
Having recently moved from Aspect to Prospect, I'm still getting my head around the whole 16-bit vs. 8-bit thing.

Premiere has a "max bit depth" checkbox under Project/Render settings, which is unchecked by default. So .... if I create a default Cineform project, edit and then render will I get an 8-bit file, unless I check that box in which case I'll instead get a 16-bit one? Am I understanding that correctly?

David Newman
January 20th, 2009, 10:02 AM
That control open applies for non-CineForm exports. We use the Playback Settings control to select 32-bit float vs 8-bit RGB.

Marty Hudzik
January 21st, 2009, 10:19 PM
along those same lines......are there any specific effects that we need to choose? Obviously the Cineform ones but are there any Adobe specific filters that are better than others? I also use Magic Bullet presets and Colorista....are these 10bit or better?

David Newman
January 22nd, 2009, 09:43 AM
I know Magic Bullet was planning a 32-bit version, not sure if is was released. Prospect will tell you if a filter is 32-bit or only 8-bit, just turn that control on within the playback settings.

Andy Urtusuastegui
January 24th, 2009, 09:50 PM
David, help me understand a little more. I am on Premiere CS4, using NeoHD, so I always select DESKTOP as my editing mode.

Once I upgrade to the V4 NeoHD, if I select on the SEQUENCE Menu "Maximum bit Depth" do I get 32bit processing using Neo and Adobe affects and Transistions (I know only a few of Adobe's are 32bit).

Also, what about when we export via Adobe Media Encoder in CS4. I assume we will be able to choose AVI and select Cineform as the codec. There is a "render at maximum Depth" check box in the new Adobe Encoder. Will this be necessary or will it look only at the Sequence Settings check box.

Thanks in advance. I am really looking forward to the CS4 versions of your products.

David Newman
January 24th, 2009, 10:10 PM
NEO HD/4K is only a 32-bit importer/exporter under Premiere, everything else is under Adobe's control, so the question might be better for Adobe (or do some experiments.) When using Prospect HD/4K CineForm controls more of the high precision math.