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Fundamentals of room acoustics

A reverberation can be heard in an enclosed room if a sound source, which was in operation for a longer period, is suddenly turned off. Its duration depends on the room volume and the room’s interior design; the reverberation time is short in small rooms and in rooms which have large absorbing surfaces. Large volumes with less absorption have reverberation times which can easily extend to a couple of seconds. During a period of 2 s, for instance, the sound travels a distance of nearly 700m and hits the room surfaces several times; the sound waves are reflected several times at the walls under different angles. Each reflection at a (rigid) plane surface can be regarded as coming from a sound source which is mirrored at the wall.

Keywords

  • Sound Pressure
  • Sound Source
  • Sound Pressure Level
  • Sound Absorption
  • Absorption Area

These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Correspondence to Michael Möser .

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© 2009 Springer-Verlag Berlin Heidelberg

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Möser, M. (2009). Fundamentals of room acoustics. In: Engineering Acoustics. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-540-92723-5_7

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  • DOI: https://doi.org/10.1007/978-3-540-92723-5_7

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