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» Film-Tech Forum ARCHIVE   » Operations   » Digital Cinema Forum   » Digital: Scope inside Flat? (Page 8)

 
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Author Topic: Digital: Scope inside Flat?
Eric Hooper
Jedi Master Film Handler

Posts: 532
From: Fort Worth, TX, USA
Registered: May 2003


 - posted 05-14-2011 02:01 AM      Profile for Eric Hooper   Email Eric Hooper   Send New Private Message       Edit/Delete Post 
Ugh,

Returned to the scene of the crime today. Still showing the scope image letterboxed inside the flat screen with the side masking curtains closed.... [Roll Eyes]

Even worse their lighting system in auditorium #1 (left side) is wired incorrectly. During the previews the overhead lights (which shine on the screen by the way) are supposed to go to low dim with the side wall sconces remaining at medium dim. And then when the feature starts, the overhead lights are to go off and the wall sconces to go to low dim. (This is how it operates in auditorium #2 (right side) and this is what makes sense.) However, someone screwed up and now during the trailers the overhead lights remain on medium bright (which is shining on the screen and you can't see the trailers being shown) and the wall sconces go to low dim. Then when the movie presentation comes on, the overhead lights go to low dim and the wall sconces go completely off. It's wired reversed. [Roll Eyes] [Roll Eyes] [puke]

WHY, WHY, WHY?

This place is truly a disgrace to everyone else who does it right!

I guess it was my fault for going there. I had hoped they had fixed the scope movie presentations, but now they've even gone and fucked up the lighting... [Frown] [Roll Eyes]

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Manny Montes
Master Film Handler

Posts: 270
From: United States
Registered: Feb 2010


 - posted 05-14-2011 04:05 PM      Profile for Manny Montes   Email Manny Montes   Send New Private Message       Edit/Delete Post 
quote: Tom Petrov
Saw True Grit tonight DLP Ultra AVX. The Cineplex in my area masks all DLP screens except the Ultra AVX.

This is intentional. I believe IMAX does this as well? (can anyone confirm?)

Staff and manager at the cinema made it clear that UltraAVX is "like" IMAX.

Yep, every digital IMAX i've seen has wall to wall, ceiling to floor screen with no masking. Yet the image never fills from ceiling to floor anyway so i'm not sure why they didn't put masking. Same with ETX (AMC).

I haven't seen a cinemark XD screen, but I know regal's RPX actually uses masking (which makes it just a tad better)

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Bajsic Bojan
Expert Film Handler

Posts: 190
From: Ljubljana, Si, Eu
Registered: Aug 2008


 - posted 05-15-2011 02:34 PM      Profile for Bajsic Bojan   Email Bajsic Bojan   Send New Private Message       Edit/Delete Post 
hijacking thread, but ontopic question:

if i'm specing a NEW hall, is common width not better than common height screen?

on common height i am essentially zooming out alot and there are more pixels per frame. quality wise a 1.85 screen with top/bottom masking for cs is thus better, right? (of course without cropping the 50 pixels of width)

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Dave Macaulay
Film God

Posts: 2321
From: Toronto, Canada
Registered: Apr 2001


 - posted 05-15-2011 05:27 PM      Profile for Dave Macaulay   Email Dave Macaulay   Send New Private Message       Edit/Delete Post 
I prefer the scope image to be bigger than the flat image, but that's your decision.
Pixels per image don't change. The flat image is 1998x1080, scope is 2048x858. You are not supposed to scale this image, some zoom and shift is required to switch from scope to flat unless you have pretty complicated masking.
So... common width is popular because the picture is as big as it can be in most houses whether scope or flat. Common height does make the flat image look pretty small in most screens. Unmasked screens are always, in my experience, common width. Rooms with a very wide stage area and relatively low ceiling (most older non-stadium houses) will use common height.

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Frank Cox
Film God

Posts: 2234
From: Melville Saskatchewan Canada
Registered: Apr 2011


 - posted 05-15-2011 07:00 PM      Profile for Frank Cox   Author's Homepage   Email Frank Cox   Send New Private Message       Edit/Delete Post 
I'm certainly not an expert of any kind, but it seems to me that if you go with a common width you're not using your screen size to its maximum potential.

I actually just went though this with the tech who was here setting up my digital cinema. He asked what I wanted for screen size/masking and I told him that I want a cinemascope screen and the flat picture can be centered inside of that.

That's the arrangement that I had with film, too, and I like it.

I don't have movable masking so the flat picture has a couple of feet of "blanK" on each side but it really doesn't bother me, especially with the clean edge that you get with digital.

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Brian Guckian
Jedi Master Film Handler

Posts: 594
From: Dublin, Ireland
Registered: Apr 2003


 - posted 05-16-2011 04:40 PM      Profile for Brian Guckian   Email Brian Guckian   Send New Private Message       Edit/Delete Post 
The late John Pytlak had an excellent post on this subject in this thread from several years back:

Is common width sometimes better?

quote:
the wider 2.39:1 scope format is usually chosen to give pictures greater impact, than the more intimate 1.85:1 aspect ratio. Letterboxing it to a smaller image often violates the intent of the cinematographer and director in telling a big story.

Other very useful posts can be found if one does a search.

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Eric Robinson
Jedi Master Film Handler

Posts: 538
From: Santa Rosa, CA
Registered: Jan 2005


 - posted 11-05-2011 01:06 AM      Profile for Eric Robinson   Email Eric Robinson   Send New Private Message       Edit/Delete Post 
quote: Steve Guttag
you get a 1920x movie and need to play that in your 2048 theatre
Are digital movies still produced in this format? (1920x)

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Carsten Kurz
Film God

Posts: 4340
From: Cologne, NRW, Germany
Registered: Aug 2009


 - posted 11-05-2011 07:38 AM      Profile for Carsten Kurz   Email Carsten Kurz   Send New Private Message       Edit/Delete Post 
Some are, some not. Usually those thet are shot with HD cameras have a native resolution of 1920, with their sensors having a native 16:9 aspect ratio, so it's essentially FullHD like on HDTV. Movies shot with 'real' digital cinema cameras or on film+scanned will more likely have the native DCI resolutions and aspect ratios.

One could always rescale a 1920 to 2048 - but upscaling by such a small amount is often considered useless or even bad, so very often, a slight 'pillarbox' seems to be the better choice. Signalwise, I really wouldn't care about a few pixels less. But the proper masking is another issue.

- Carsten

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Eric Hooper
Jedi Master Film Handler

Posts: 532
From: Fort Worth, TX, USA
Registered: May 2003


 - posted 11-22-2011 06:24 PM      Profile for Eric Hooper   Email Eric Hooper   Send New Private Message       Edit/Delete Post 
Hello all,

So I see the Century 5 (CineArts) in Pleasant Hill, CA, which has one of the original large Century Domes still in operation, has gone all digital (according to Fandango).

Has anyone been to this location, or have any information, on the digital installation in the dome? Did they do it right, or is it all fucked up like at the Century 24 in San Jose?

I'm curious because if it's done right, then could the Century 21-22-23 in San Jose then be converted to digital projection the right way too?

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Ron Funderburg
Jedi Master Film Handler

Posts: 814
From: Chickasha, Oklahoma, USA
Registered: Nov 2007


 - posted 11-22-2011 06:29 PM      Profile for Ron Funderburg   Author's Homepage   Email Ron Funderburg   Send New Private Message       Edit/Delete Post 
I personally find it disturbing when the scope picture jumps to full IMax size for special effect scenes then back to scope size. I'm like why do that?

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