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Reverberation, in psychoacoustics and acoustics, is the persistence of sound after a sound is produced.everberation time is usually stated as a decay time and is measured in seconds. There may or may not be any statement of the frequency band used in the measurement.
Reverberation Time Edit. Reverberation time is the time required for a sound in a room to decay by 60 dB (called RT 60). Reverberation time is defined for wide band signals.When talking about the decay of an individual frequency, the term decay time is used.everberation Time Edit. Reverberation time is the time required for a sound in a room to decay by 60 dB (called RT 60). Reverberation time is defined for wide band signals.