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This topic comprises 2 pages: 1 2
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Author
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Topic: Satisfying the Director or The Audience
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Tim Reed
Better Projection Pays
Posts: 5246
From: Northampton, PA
Registered: Sep 1999
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posted 02-15-2003 10:13 PM
Here we go with the "7" argument again. There is nothing magic about "7" on a processor. It is only the reference point to which the output levels are calibrated during setup. That way, for a given position, the knob will reproduce a level that is known -- it allows for a specific degree of headroom. It's calibration for the fader.
It is NOT the level where everything should ride, all the time; regardless of what the film can notes say. That is a ridiculous notion, as locking the fader on "7" does not, for one, account for differences in auditorium occupancy. For example, a full auditorium will require a higher playback level solely because the audiences bodies will absorb as much as 40% of the sound.
So, how does that figure when there's only a handful of people there? It doesn't.
If "7" were the no-compromise, all films, all audiences, all-the-time level position, there would be no need for a fader at all. It would just be setup at the prescribed level and forgotten.
Loud does not equal good.
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Randy Stankey
Film God
Posts: 6539
From: Erie, Pennsylvania
Registered: Jun 99
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posted 02-15-2003 10:47 PM
I guess I would answer the question with a question: "Who's buying the tickets?" Do what the customers want. (Up to a limit.) If your customers like it loud, turn it up. If not, tone it down.
At Cinemark the audience was younger, on average. We often turned the volume up a bit more... Especially on busy Friday/Saturday nights.
At Mercyhurst, the audience is a lot more adult/intellectually oriented. They don't want it ear-splitting loud. My boss even tries to tell me to turn it up sometimes. I happen to KNOW most of the customers' tastes because as soon as the movie tails out, I make my way downstairs to chat with the regulars as they exit the hall. They have told me, on no uncertain terms, that they don't like it loud. In fact, I was told, point blank, "If I want it THAT loud I'll go to Cinemark!" I have a reference mark painted on the face plate of the processor where, based on my conversations with the customers, I think the volume ought to be. When the boss tells me to turn it up; If it's already at the mark, I tell him, "Ok...", but I don't move the knob.
He never notices the difference anyway.
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Jeffry L. Johnson
Jedi Master Film Handler
Posts: 809
From: Cleveland, Ohio, USA
Registered: Apr 2000
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posted 02-16-2003 07:37 AM
quote: For example, a full auditorium will require a higher playback level solely because the audiences bodies will absorb as much as 40% of the sound.
I thought Tomlinson Holman performed this experiment, first with an empty auditorium, and then with a full auditorium, and found no difference in levels.
Granted this is just a recollection and I have no idea if there is a published article of this experiment. But is there a published reference to the 40% claim? Or any other claim of bodies absorbing more sound than empty seats and requiring the fader to be increased?
Here's some URL's from a quick Google search. hereAn Overview of the Acoustical Effects of an Audience Index for 2aAA 2aAA2. Sound absorption of occupied chairs as a function of chair design and audience clothing. 2aAA3. An overview of the acoustical effects of an audience. hereSound Absorption in Concert Halls by Seats, Occupied and Unoccupied, and by the Hall's Interior Surfaces
hereMany Architects Are Baffled by the Problems of Acoustic Design "Not only must acousticians consider the architecture of the room, but they also must take into account sound absorption attributable to the audience. For this reason, in spaces with fixed, upholstered seating, the sound absorption characteristics of an empty seat are typically comparable to those of the seat when occupied, ensuring that the room's acoustic qualities do not depend on the size of the audience."
Sound Absorption Coefficients
These seem to be primarily for concert halls, not motion picture theaters.
here Scaling The Experience: Considerations for bringing movie sound into homes. By Tomlinson Holman
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