Reverberation is the persistence of acoustic waves after a source stops, produced by repeated reflections in an enclosure. A diffuse-room approximation gives an approximately exponential decay of mean acoustic energy; an individual normal mode may instead be described as a damped resonator.
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Reverberation is the persistence of sound in a particular space after the original sound source has stopped. It occurs when sound waves bounce off surfaces like walls, ceilings, and floors, creating a series of reflected waves that continue to be heard after the direct sound. This phenomenon can be experienced in various environments, such as concert halls, cathedrals, and even in smaller rooms.