Reverberation

  • D. G. Crighton
  • A. P. Dowling
  • J. E. Ffowcs Williams
  • M. Heckl
  • F. G. Leppington

Abstract

When someone speaks in a large empty room, speech intelligibility is rather poor, because the sound which is just emitted is mixed with the reverberating sound that was emitted a few tenths of a seconds (or even seconds) earlier. When someone strikes a bell or a similar lightly-damped mechanical system, a sound can be heard for many seconds because it takes rather a long time until the vibratory energy in the system is transferred into heat or radiated.

Keywords

Porosity Foam Autocorrelation Convolution Perforation 

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Copyright information

© Springer-Verlag Berlin Heidelberg 1992

Authors and Affiliations

  • D. G. Crighton
    • 1
  • A. P. Dowling
    • 2
  • J. E. Ffowcs Williams
    • 2
  • M. Heckl
    • 3
  • F. G. Leppington
    • 4
  1. 1.University of CambridgeUK
  2. 2.Department of EngineeringUniversity of CambridgeUK
  3. 3.Technische Universität BerlinGermany
  4. 4.The Imperial College of Science and TechnologyLondonUK

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