reverberation time


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reverberation time

n
(General Physics) 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
References in periodicals archive ?
Despite their generous volumes, old theatres tended to be full of soft finishes and curtains giving rise to reverberation times of one second or less.
The objective was to reduce the reverberation time by more than eight seconds, thus creating a quiet atmosphere.
This is measured by the room's reverberation time (RT), a measurement of how reverberant (echoey and/or live) a space is.
Classroom reverberation time (RT60) is defined as the amount of time it takes for the sound level to decrease by 60dB.
Because these rooms are occupied by tables, chairs and other wooden objects the reverberation time is measured (see Table 1) and averaged over 4 microphones placed in different positions in each room see Figure 5.
To the reverberation time in the corridors, the agora, the cafeteria and the winter building D of Hasselt University to reduce, Diepenbeek must be of sound absorbing material.
reverberation time measured in seconds is the time needed for the average energy density in the space to decay by 20dB ([T.
Background noise levels and reverberation time must also be considered (Shield & Dockrell, 2003; Swedish Standard, 2001).