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The reverberation time is the oldest of the objective measures of room acoustics.It correlates well with the overall acoustic impression of a room and inappropriate values are undcubtably responsible for some acoustic defects.For example, large scale 19th Century romantic music demands the temporal blending and sound level reinforcement provided by a long reverberation time.liturgical music even more so.Excessive reverberation can render other music or speech unintelligible.
R WALKER (Mon,) studied this question.