Volumetric reconstruction of acoustic energy flows in a reverberation room

Mélanie Nolan*, Efren Fernandez-Grande

*Corresponding author for this work

    Research output: Contribution to journalJournal articleResearchpeer-review


    This study examines the spatial and directional properties of net energy flows in a reverberation chamber. Based on measurements with a spherical array, a method is proposed to estimate the flows of acoustic energy in the volume surrounding the array. The proposed method is used to examine the steady state, early decay, and late decay of the sound field in a reverberation room (both empty and with an absorber on the floor). The results show that the approach is successful in characterizing the spatio-spectral and spatio-temporal properties of power flows in reverberant sound fields, constituting a valuable analysis tool.

    Original languageEnglish
    JournalJournal of the Acoustical Society of America
    Issue number3
    Pages (from-to)EL203-EL208
    Publication statusPublished - 1 Mar 2019


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