| Definition: | received sound that persists after the source of sound has ceased owing to cumulative scattering of sound by an aggregation, or ensemble, of scatterers Note 1 to entry: Reverberation commonly arises from scatterers in a volume or on a surface. Note 2 to entry: When a very few scatterers dominate, the reverberation is called "clutter". Note 3 to entry: For a general definition of "reverberation", see IEV 801-21-14.
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