reverberation time

American  

noun

1. the time it takes for a sound made in a room to diminish by 60 decibels.

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reverberation time British  

noun

1. a measure of the acoustic properties of a room, equal to the time taken for a sound to fall in intensity by 60 decibels. It is usually measured in seconds

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Etymology

Origin of reverberation time

First recorded in 1925–30

Example Sentences

The long reverberation time dictated slower tempos.

From New York Times

“Now instead of having about two-tenths of a second of reverberation time, we have 1.4 seconds of reverberation time,” Roy said.

From Washington Post

Preliminary data had already given interesting results – while the reverberation time for high and mid-frequency sounds appeared similar to results obtained from Maryhill, low frequency sounds showed shorter reverberation times.

From The Guardian

The measurements include frequencies and decibel levels, strength of the sound, reverberation time and the focal points of sound.

From New York Times

"Spending many millions to build a hall get a few more seconds' reverberation time, and show that we're keeping up with Paris, Copenhagen, Lucerne etc is an indulgence we just don't need in straitened times," he said.

From BBC