ReverberationReverberation is the collection of reflected sounds from the surfaces in an enclosure like an auditorium. It is a desirable property of auditoriums to the extent that it helps to overcome the inverse square law dropoff of sound intensity in the enclosure. However, if it is excessive, it makes the sounds run together with loss of articulation - the sound becomes muddy, garbled. To quantitatively characterize the reverberation, the paramater called the reverberation time is used.
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Index Auditorium acoustics | ||||||
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Reverberant Sound FieldThe sketch below depicts the sound received by a single listener as a function of time as a result of a sharp sound pulse some distance away. The direct sound received is followed by distinct reflected sounds and then a collection of many reflected sounds which blend and overlap into what is called reverberation. The delay between the direct sound and the first reflected sound is a significant characteristic for an auditorium, though not as important as the overall reverberation time.
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Index Auditorium acoustics | ||
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Reverberant Sound Decay
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Index Auditorium acoustics Reference Backus p. 165 | ||||
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Sound Decay Measurements
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Index Auditorium acoustics Reference Jesse | ||||
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