Acoustic Absorbers and Diffusers: Theory, Design and Application, 2nd Edition (Hardback) book cover

Acoustic Absorbers and Diffusers

Theory, Design and Application, 2nd Edition

By Trevor J. Cox, Peter D'Antonio

© 2014 – CRC Press

478 pages

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Hardback: 9780415471749
pub: 2009-01-26
eBook (VitalSource) : 9781482266412
pub: 2014-04-21
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About the Book

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.


‘The book succeeds by confirming that absorption and diffusion are common to all surfaces and all materials. Highly recommended.’Noise Control Engineering Journal

Table of Contents


Applications and Basic Principles of Absorbers

Applications and Basic Principles of Diffusers

Measurement of Absorber Properties 4

Measurement and Characterization of Diffuse Reflections or Scattering

Porous Absorption

Resonant Absorbers

Some Other Absorbers

Prediction of Scattering

Schroeder Diffusers

Geometric Reflectors and Diffusers

Hybrid Surfaces

Absorbers and Diffusers in Rooms and Geometric Models

Active Absorbers and Diffusers Appendix A: Table of Absorption Coefficients

Appendix B: MATLAB Scripts Appendix C: Diffusion and Scattering Coefficients

About the Authors

Trevor Cox is Professor of Acoustics at Salford University.

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

Subject Categories

BISAC Subject Codes/Headings:
ARCHITECTURE / Methods & Materials
ARCHITECTURE / Professional Practice