The complaint is that this is only part way through the process so we don't
want to clip it until after the grade where they want all the information
captured. The conform isn't the end of the process but the begininig
N
From: Avid-L2@yahoogroups.com [mailto:Avid-L2@yahoogroups.com] On Behalf Of
Jeff Cook
Sent: 28 October 2011 18:02
To: Avid-L2@yahoogroups.com
Subject: Re: [Avid-L2] Export TIFF
Sure, cameras usually overshoot for additional adjustment in post. But this
should never remain in the final product (broadcast or not), and so never be
susceptible to clipping. So the complaint is that if levels are left out of
spec, then they're getting messed up? Yeah, so?
--
Jeff Cook
jeff@cookstudios.com <mailto:jeff%40cookstudios.com>
703-980-1104 (cell)
CookStudios.com
Freelance Video Editing
Washington DC & Portable
On Oct 28, 2011, at 12:40 PM, Terence Curren wrote:
> Now you are seeing the light. in 601 / 709 there is headroom on both ends
for the world of video where we can have speculars (highlights) above and
superblack keys below.
>
> And most camera footage I get comes in using those areas to some degree. I
want that headroom right up until delivery, at which point I legalize (or
not) depending upon the delivery specs.
>
> So yes, take a full 601 video space and remap to RGB and everything above
235 and below 16 is lost. And yes, that is clipping.
>
> Going the other direction is no problem because you are remapping 255 to
235.
>
>
>
> --- In Avid-L2@yahoogroups.com <mailto:Avid-L2%40yahoogroups.com> , Jeff
Cook <jeff@...> wrote:
>>
>> Sorry, hold on. There's something ABOVE 235? Then it's not properly
mapped in the first place, right?
>>
>> --
>> Jeff Cook
>> jeff@...
>> 703-980-1104 (cell)
>>
>> CookStudios.com
>> Freelance Video Editing
>> Washington DC & Portable
>>
>>
>> On Oct 28, 2011, at 11:20 AM, "Terence Curren" <tcurren@...> wrote:
>>
>>> Huh? Then what happens to any info above 100 IRE (235 RGB) when you
remap that to 255. There is nothing above 255, so what happens to the info
above 235?
>>>
>>> That is what he means by "clipping". That video goes bye bye.
>>>
>>>
>>>
>>> --- In Avid-L2@yahoogroups.com <mailto:Avid-L2%40yahoogroups.com> , Jeff
Cook <jeff@> wrote:
>>>>
>>>> That would be clipping, not remapping. There's clearly something else
wrong. Remapping is redistributing, which is designed to translate for
proper display.
>>>>
>>>> What you're describing would be simply displaying in the wrong format,
which with the lack of file identification over the years (why did you ever
have to tell an import what you thought the file was?), is not surprising.
>>>>
>>>> --
>>>> Jeff Cook
>>>> jeff@
>>>> 703-980-1104 (cell)
>>>>
>>>> CookStudios.com
>>>> Freelance Video Editing
>>>> Washington DC & Portable
>>>>
>>>>
>>>> On Oct 28, 2011, at 9:22 AM, "Nigel Gourley" <avid-l@> wrote:
>>>>
>>>>> Well.. When you export RGB the avid is remapping 16 to 0 and 235 to
255, So
>>>>> this means the original image is clipped at the black and white points
which
>>>>> isn't good for the grade. Whereas 709 doesn't remap any levels.
>>>>>
>>>>>
>>>>>
>>>>> That's my understanding anyway..
>>>>>
>>>>>
>>>>>
>>>>> N
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>> From: Avid-L2@yahoogroups.com <mailto:Avid-L2%40yahoogroups.com>
[mailto:Avid-L2@yahoogroups.com <mailto:Avid-L2%40yahoogroups.com> ] On
Behalf Of
>>>>> Fabrice Altman
>>>>> Sent: 28 October 2011 11:47
>>>>> To: Avid-L2@yahoogroups.com <mailto:Avid-L2%40yahoogroups.com>
>>>>> Subject: [Avid-L2] Re: Export TIFF
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>> We need the 709 export setting to work.
>>>>>
>>>>> Sorry for the stupid question but why would you absolutely need 709
>>>>> for file sequences ?
>>>>> Your grading system has a no way to interpret RGB ?
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>> [Non-text portions of this message have been removed]
>>>>>
>>>>>
>>>>>
>>>>> ------------------------------------
>>>>>
>>>>> Search the official Complete Avid-L archives at:
http://archives.bengrosser.com/avid/
>>>>> Yahoo! Groups Links
>>>>>
>>>>>
>>>>>
>>>>
>>>
>>>
>>>
>>>
>>> ------------------------------------
>>>
>>> Search the official Complete Avid-L archives at:
http://archives.bengrosser.com/avid/
>>> Yahoo! Groups Links
>>>
>>>
>>>
>>
>
>
>
>
> ------------------------------------
>
> Search the official Complete Avid-L archives at:
http://archives.bengrosser.com/avid/
> Yahoo! Groups Links
>
>
>
[Non-text portions of this message have been removed]
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