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Author Topic: Is common width sometimes better?
System Notices
Forum Watchdog / Soup Nazi

Posts: 215

Registered: Apr 2004


 - posted 12-15-2013 01:01 AM      Profile for System Notices         Edit/Delete Post 

It has been 2926 days since the last post.


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Ron Curran
Jedi Master Film Handler

Posts: 504
From: Springwood NSW Australia
Registered: Feb 2006


 - posted 12-15-2013 01:01 AM      Profile for Ron Curran   Author's Homepage   Email Ron Curran   Send New Private Message       Edit/Delete Post 
I assume that Tim Winton's The Turning DCP was designed for common width presentation.
This feature is based on the author's book of short stories, each story has a different director for the movie version.
Some directors prefer the expanse of the Scope format, while others prefer the more intimate flat format.
The DCP is 1.85, so the Scope sequences are letterboxed.
Frankly, I am embarrased by this presentation on our common-height screen but there is no easy fix. If the DCP had been Scope, we could have plotted the automation to adjust masking accordingly - the flat portions would have been just the same but the Scope portions would have been correct.

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Jim Cassedy
Phenomenal Film Handler

Posts: 1661
From: San Francisco, CA
Registered: Dec 2006


 - posted 12-15-2013 10:37 AM      Profile for Jim Cassedy   Email Jim Cassedy   Send New Private Message       Edit/Delete Post 
quote: Carl Martin
that was what i had suspected, but our union guy looked at the light (briefly) without the shutter running and said it was steady. i was surprised that a ripple would have been visually discernable without interference from the shutter
Carl, YOU are right, and in this case your 'union guy' is a bit off base.
I recently dealt with a similar situation last year.

Yes, you'd be able to see a large amount of ripple when viewing a light source
sans shutter; but often, small amounts of ripple or phase unbalance can only
be seen when viewed on screen with the shutter running.

At one time, I made an inductive scope probe using an old coil of wire to
detect a tricky ripple on the DC line.

I had an electronic scope with storage capibility so I was able to compare
the ripple wave-form with that from a known 'good' power supply to help
track down the problem.

In my case, I traced the problem to a failing filter cap in an old (well, actually, ANCIENT!)
carbon arc rectifier power supply that had been badly bastardized to work with the Xenon.

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Jason Metcalfe
Expert Film Handler

Posts: 134
From: Austin, TX, U.S.
Registered: May 2010


 - posted 12-22-2013 04:41 PM      Profile for Jason Metcalfe   Email Jason Metcalfe   Send New Private Message       Edit/Delete Post 
I know this is the wrong forum but what do you guys think of common width screens for digital projection since the screen size would more closely imitate the amount of LCOS/DLP panel that's being used?

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Marcel Birgelen
Film God

Posts: 3357
From: Maastricht, Limburg, Netherlands
Registered: Feb 2012


 - posted 12-22-2013 05:29 PM      Profile for Marcel Birgelen   Email Marcel Birgelen   Send New Private Message       Edit/Delete Post 
My personal, unbalanced opinion: [fu]

Look in the mirror, what do you see? Two eyes, horizontally aligned.

Scope should be wider than flat and scope is by far the best format if you want to make an impact.

Why should we all collectively bend over for some stupid "industry standards" that are only there, because that happens to be the gold standard for home entertainment?

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