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stall slope for concert hals

Zoster

Hi!

am am designing a concert hall for my thesis project and i have a dilemma.
where could i get some information regarding the slope of the stall (lower flat seating area of the auditorium).
theater documentation isn't helpful since concert halls tend to have shallower slopes in order to minimize the sound absolution area of the audience.
Looking through Leo Beranek's book (Concert Halls and Opera Houses), most halls have very shallow slope(s), or no slope at all.
I could just select an arbitrary one, looking at current examples, but i'd feel better if i could mention a source that explicitly talks about this aspect.
anyone know where i could find this information?

thanks for reading!

 
Sep 24, 09 2:16 pm
designBandit

I'd use an easily accessible concert hall as a placeholder (Disney,graphic standards?) Depending on how technical your thesis is, I wonder how much of a difference it would make from one concert hall design to another. When your design gets more specific, you can give it a slope that belongs.

Does that make sense? In other words, if you don't have a specific reason to do it one way or the other, I think putting in a generic placeholder beats spending a lot of time stressing about it.

Sep 25, 09 12:29 am  · 
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Zoster

i'll have a sheet with the dimensions of the hall (the space as a whole, stage dimensions, balcony dimensions etc.), and for each of these i'm going to mention why i took that particular value (based on some formulas or famous examples). I would like to have a motivation for this slope as well. is not really important, but i was curios if there is somewhere some kind of norm that should be followed. i would guess it is the minimum slope you can get while maintaining a decent visual connection between the audience and the performers.

Sep 25, 09 6:38 am  · 
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designBandit

Another thing you can do is call up a theater consultant, tell them you're a student, and ask them a few questions.

Sep 25, 09 12:48 pm  · 
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Bruce Prescott

When I worked on a concert hall many years ago the acoustician wanted the floor as flat as were were willing to make it to still have decent sight lines,but that did not seem like a scientific principle, more of an approach of that particular consultant.

And if I was critiquing the sheet that you mention I would note that acoustics can not be developed by collage: the parts have to work together and even if they work great in the original they may not work in your new arrangement.

Sep 26, 09 1:56 am  · 
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Zoster

thanks sprouce!

Sep 26, 09 4:49 am  · 
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