Re: [Frameworks] Letter to other Filmmaker Artists

From: Anna Biller (email suppressed)
Date: Fri Jul 23 2010 - 19:29:56 PDT

I was referring to old film prints restored digitally and output back
to film. It's great that that technology has improved.

On Jul 23, 2010, at 6:38 PM, Pip Chodorov wrote:

> Anna, were you transferring to 10bitlog? Video monitors and video
> projectors use a linear exposure curve, while film uses a logarythmic
> S-curve. This means that on film you can capture nine F-stops of
> difference between the shadows and the lights. Linear video
> technology can only capture three, so you have to expose for the
> shadows or the lights. This is why they use compression to squeeze
> all the data into the oscilloscope. But newer machines can record in
> 10 bit log or 12 bit log, which is a logarythmic scale allowing you
> to capture all those gradations. Of course you can't see all that
> information on a monitor or videoprojector, but it can be captured in
> the computer and later put back out to film.
> -Pip
> At 13:35 -0700 23/07/10, Anna Biller wrote:
>> I really dislike the limited
>> contrast of HD, for my own work at least. I've had similar issues
>> watching film prints of classic movies that have been digitally
>> remastered and spit back to film. I can always tell, because the
>> whites are so dark and the blacks are so soft.
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