Friday, September 16, 2011

RE: [Avid-L2] 10bit workflows revisited...

 

And also.. You can export to 10 bit tiff by selecting 16bit tiff.. We
couldn't find another way to export non avid 10 bit files. assuming you have
a 10 bit sequence.

N

From: Avid-L2@yahoogroups.com [mailto:Avid-L2@yahoogroups.com] On Behalf Of
Michael Brockington
Sent: 16 September 2011 19:32
To: Avid-L2@yahoogroups.com
Subject: Re: [Avid-L2] 10bit workflows revisited...

Sorry, Andi -- I missed seeing your message somehow.

If you load 10-bit footage into After Effects, the footage info display
will show it has having 'Trillions of Colors' (vs. 'Millions of colors'
for 8-bit.)

If you import your 10-bit third-party codec QT movie to a 10-bit Avid
resolution, it truncates/rounds the data down to 8-bits of info, even
though it's using a 10-bit format. There's no good way that I'm aware
of to check inside Avid that your 10-bits have been preserved.

You would think that rendering out of After Effects to 10-bit Avid
codecs would do the trick, but last time I tested this (a few months
back), this also truncated down to 8-bits within the 10-bit format.

What does work for sure is to render to a 16-bit TIFF sequence, which
can be imported to a 10-bit Avid codec, retaining all 10 bits of info.

Cheers,
--Michael

On 11-09-13 12:28 AM, Andi Meek wrote:
> Michael,
> it was made by a graphics company with the Blackmagic 10bit codec i
believe. If I'm not wrong, After Effects will tell me if my file is 10bit or
not, correct? Are there any better ways to check if a file is 10bit or not?,
inside Avid perhaps? That's really annoying if Avid is truncating,
especially seeing as i went to so much expense to get that file! :-) So I
guess I should be telling them to render out using the Avid codecs then?
It's been said before, but that sucks!
> Andi
>
> To: Avid-L2@yahoogroups.com <mailto:Avid-L2%40yahoogroups.com>
> From: brocking@sfu.ca <mailto:brocking%40sfu.ca>
> Date: Mon, 12 Sep 2011 22:10:00 -0700
> Subject: Re: [Avid-L2] 10bit workflows revisited...
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> What was the codec for your original QT? If it was Avid 10-bit media,
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> and you were able to fast-import it, then you're OK for the first step,
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> otherwise it was probably truncated on import.
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> Cheers,
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> --Michael
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> On 11-09-12 4:15 PM, ripvanmarlowe2000 wrote:
>
>> Had an interesting one today which required a bit of grey matter and I
>> remember some discussion about this a while back and i think I've
>> managed to keep all my bits in place but does this sound right to people?
>> Client wants a 59.94 10bit uncompressed QT from a 25fps 1920x1080
>> 10bit uncompressed master QT.
>> Starting with the uncompressed 10bit QT I imported into Avid as 1:1X
>> MXF. Played out to 50i HDCAM SR with 10bit checked in digicut tool.
>> Reconfigured the SR to play back the tape at 23.98 and format convert
>> to 59.94 then captured the 59.94 footage back in to a new 59.94
>> project as 1:1x MXF then exported as Same as source QT.
>> Have i kept all my 10 bits using this workflow? Man those SRW-5500s
>> are cool!
>> Andi
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> ------------------------------------
>
> Search the offical complete Avid-L archives at:
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>
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