Monday, May 23, 2011

Re: [Avid-L2] Mixed 3perf and 4perf in a project

 

Well, what you should do depends on the type of accuracy you are looking for. If you can live with a certain degree of uncertainty, and inaccuracies, then just color-coding the reels and crossing your fingers might actually suffice.

Seriously, though, a lot depends on the workflow. If negative cutting by your list, with no picture reference, is the next step, I'd want to be more accurate and certain.

If this is for scanning with with handles and some visual checking is provided for, you might be good.

You do know that you'll have to make separate lists for the 3perf and 4perf material, right? This, if memory serves, is certainly be true for cut lists, since the lengths can only be in one format, and one roll of film can only include one format. The same would probably hold true for pull lists.

My inclination would be to check each individual shot, though, because it's the only way to be certain that there are no ugly surprises, and because one feature film can only have a finite number of shots. And, if one were honest, you and your Avid are the cheapest place to deal with the problem, even if they'd have to pay you overtime.

Rainer

On May 23, 2011, at 13:43, Aidan O'Brien wrote:

> hi Rainer,
>
> I had a vague memory of the 4 perf going as far as 15, and 3 perf going as
> far as 21.
>
> I'm afraid I'm too tired to follow the later half of you post.
>
> The best idea I have is to go through the project shot by shot, colour
> coding rolls that I identify as 3perf one colour, and then 4 perf another.
>
> I'm wondering if there is a more elegant and smarter way of doing this.
>
> Thanks
>
> Aidan
>
> On Mon, May 23, 2011 at 9:23 PM, Rainer Standke <lists@standke.com> wrote:
>
>>
>>
>> If you have no other info than what's in the keycode burn in, you can look
>> at how high the frame offset counts. In 4 perf the highest number is 15, in
>> 3 perf it's 21 and 22. (In 16mm it's 20.)
>>
>> You can generate the perf info (there is a column for that in the bin, if
>> memory serves, but if there isn't you can append that as a decimal value of
>> .1, .2 or .3 to the keycode column) like this:
>>
>> In 35 mm the keynumbers occur every foot, or 16 * 4 = 64 perfs apart from
>> the next one. In 35 3perf there is one left-over perf in each foot of film.
>> (Because 64 / 3 = 21, and 21 * 3 = 63.) Every 3rd foot has accumulated
>> enough perfs to make a whole frame. By convention the cadence of these short
>> and long feet goes short (21 fr), short, long (22 fr). By the same
>> convention, you designate the first of the short feet .1, the second short
>> foot .2, and the long foot .3.
>>
>> If you don't have that designation in the bin info, then your lists will be
>> in-accurate by 1 frame. This inaccuracy is not a rigid offset, but is going
>> to be potentially be different for each of the 3 phases of the cadence.
>>
>> Hope this helps,
>>
>> Rainer Standke
>>
>>
>> On May 23, 2011, at 11:16, Aidan O'Brien wrote:
>>
>>> Hi everyone,
>>>
>>> Another one from this project I've inherited.
>>>
>>> I have mixed 3perf and 4perf material in my project, and am about to
>> start
>>> pull lists for my reels.
>>>
>>> The project doesn't have perf information as part of the ALEs. Is there a
>>> easy way to spot the difference or am I doomed?
>>>
>>> Thanks
>>>
>>> Aidan
>>>
>>>
>>> [Non-text portions of this message have been removed]
>>>
>>>
>>>
>>> ------------------------------------
>>>
>>> Search the offical complete Avid-L archives at:
>> http://archives.bengrosser.com/avid/
>>>
>>> If you want to donate to Red Cross quake relief, you can do so through
>> your cell phone. Text redcross to 90999 to make a $10 donation. It will be
>> on your next cell bill.Yahoo! Groups Links
>>>
>>>
>>>
>>
>>
>>
>
>
> [Non-text portions of this message have been removed]
>
>
>
> ------------------------------------
>
> Search the offical complete Avid-L archives at: http://archives.bengrosser.com/avid/
>
> If you want to donate to Red Cross quake relief, you can do so through your cell phone. Text redcross to 90999 to make a $10 donation. It will be on your next cell bill.Yahoo! Groups Links
>
>
>

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