Related terms for "building acoustics sound source": building acoustics applications
Façade sound insulation is measured like sound insulation between rooms, except that one `room` is actually open space. The sound level is measured inside the receiving room and outside the façade of the building. The level difference is then corrected for the influence of the reverberation time and background noise level in the receiving room. Finally a single-number index is calculated by averaging over all the frequency bands. A loudspeaker source can be used for the measurement, giving a choice...
By Brüel & Kjær Sound & Vibration Measurement A/S based in Nærum, DENMARK.
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