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Martin Paul Eve

Professor of Literature, Technology and Publishing at Birkbeck, University of London

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In Everest, F. Alton, and Ken C Pohlmann, Master Handbook of Acoustics (New York: McGraw-Hill, 2009), p. 247, a range of room ratios are listed to achieve optimal modal distributions using the Bolt range and a set of external sources. In other words, this addresses the question: what size should I make my room to achieve the best even distribution of sound throughout?

In order to facilitate these calculations, I have written an open-source program, acousticsize, that will let you calculate room dimensions that fall within the Bolt range using these secondary sources, based on a height input.

So, for example, if you had an internal room height dimension of 2m, you could do:


python ./acousticsize.py 2
[Sepmeyer B] 
[Height]: 2
[Width]: 2.56
[Length]: 3.08

[Sepmeyer C] 
[Height]: 2
[Width]: 3.2
[Length]: 4.66

[Louden D] 
[Height]: 2
[Width]: 2.8
[Length]: 3.8

[Louden F] 
[Height]: 2
[Width]: 3.0
[Length]: 5.0

[Volkmann] 
[Height]: 2
[Width]: 3.0
[Length]: 5.0

[Boner] 
[Height]: 2
[Width]: 2.52
[Length]: 3.18