The coherence of reverberant sound fields

Finn Jacobsen, Thibaut Roisin

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    A new method of measuring spatial correlation functions in reverberation rooms is presented. It is shown that the coherence functions determined with appropriate spectral resolution contain the same information as the corresponding correlation functions, and that measuring such coherence functions is a far more efficient way of obtaining this information. The technique is then used to verify theoretical predictions of the spatial correlation between various components of the particle velocity in a diffuse sound field. Other possible applications of the technique are discussed and illustrated with experimental results obtained in an ordinary room.
    Original languageEnglish
    JournalAcoustical Society of America. Journal
    Issue number1
    Pages (from-to)204-210
    Publication statusPublished - 2000

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    Copyright (2000) Acoustical Society of America. This article may be downloaded for personal use only. Any other use requires prior permission of the author and the Acoustical Society of America.


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