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sound density (E)

The sound density (E) describes the time average value of the sound intensity

, however, the specification refers to the volume and not to the area as in the case of the sound intensity. This is

the sound energy

that passes through a room of a certain volume. The unit for sound density is watts per cubic meter (Ws/mexp3). It is calculated from the quotient of sound intensity and sound velocity.

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Englisch: sound density - E
Updated at: 07.11.2012
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