Acoustic Absorbers and Diffusers: Theory, Design and Application

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CRC Press, Jan 26, 2009 - Architecture - 478 pages
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Absorbers and diffusers are two of the main design tools for altering the acoustic conditions of rooms, semi-enclosed spaces and the outdoor environment. Their correct use is important for delivering high quality acoustics.

Unique and authoritative, this book decribes how to effectively measure, model, design and apply diffusers and absorbers. It is a resource for new and experienced acousticians, seeking an understanding of the evolution, characteristics and application of modern diffusers. Absorption is a more established technology and so the book blends traditional designs with modern developments. The book covers practical and theoretical aspects of absorbers and diffusers and is well illustrated with examples of installations and case studies.

This new edition brings Acoustic Absorbers and Diffusers up-to-date with current research, practice and standards. New developments in measurement, materials, theory and practice since the first edition (published in 2004) are included. The sections on absorbers are extended to include more about noise control.

 

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Contents

Introduction
1
1 Applications and basic principles of absorbers
7
2 Applications and basic principles of diffusers
31
3 Measurement of absorber properties
70
4 Measurement and characterization of diffuse reflections or scattering
110
5 Porous absorption
156
6 Resonant absorbers
196
7 Some other absorbers
230
10 Geometric reflectors and diffusers
331
11 Hybrid surfaces
373
12 Absorbers and diffusers in rooms and geometric models
399
13 Active absorbers and diffusers
419
Appendix A
440
Appendix B
446
Appendix C
453
Index
463

8 Prediction of scattering
252
9 Schroeder diffusers
289

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About the author (2009)

Trevor Cox is Professor of Acoustics at Salford University.

Peter D'Antonio is CEO of RPG Diffusor Systems Inc.

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