Discussion:
Rotating Speakers to the Center
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Charles Veasey
2017-01-19 21:44:36 UTC
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Hello,

Any thoughts on the importance of rotating the speakers to center of the
room when setting up a speaker array, an octagon for example? Are there
considerations with larger versus smaller audiences?

best,
Charles
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Augustine Leudar
2017-01-19 22:31:23 UTC
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Well..... bodies soak up a lot of sound. You might need to raise the
speakers slightly with more people with speakers tilted slightly down.
Post by Charles Veasey
Hello,
Any thoughts on the importance of rotating the speakers to center of the
room when setting up a speaker array, an octagon for example? Are there
considerations with larger versus smaller audiences?
best,
Charles
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Augustine Leudar
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Registered 63 Ballycoan rd,
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Dave Malham
2017-01-20 11:49:27 UTC
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If it's a horizontal-only rig, it's usually best to aim the speakers at the
centre since this means that, at least at the centre, people will be in a
similar part of the frequency dependent polar diagram of the speakers,
simplifying any eq needed and reducing the tendency for any particular
speaker to stand out. On a 3-d rig there are more things to consider. For
instance, speakers on the floor will have a bass boost because of the half
space effect which might make it advisable to NOT aim the upper speakers
down so that audience members are in a part of the frequency dependent
polar diagram of the speakers where the HF is down which goes at least part
of the way to matching their sound with those on the floor. Of course, all
this should be treated with some caution and on a case-by-case basis.

Dave
Post by Augustine Leudar
Well..... bodies soak up a lot of sound. You might need to raise the
speakers slightly with more people with speakers tilted slightly down.
Post by Charles Veasey
Hello,
Any thoughts on the importance of rotating the speakers to center of the
room when setting up a speaker array, an octagon for example? Are there
considerations with larger versus smaller audiences?
best,
Charles
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Augustine Leudar
Artistic Director Magik Door LTD
Company Number : NI635217
Registered 63 Ballycoan rd,
Belfast BT88LL
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As of 1st October 2012, I have retired from the University.

These are my own views and may or may not be shared by the University

Dave Malham
Honorary Fellow, Department of Music
The University of York
York YO10 5DD
UK

'Ambisonics - Component Imaging for Audio'
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