Building Acoustics

Room acoustics 129

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rd deviation (dB)

Volume 102 m^3

Figure 4.10 Spatial distribution of sound pressure level. Furnished living room with carpet, volume 102 m^3.
Solid curve – measured standard deviation. Dashed curve – predicted standard deviation. After Olesen (1992).

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Frequency (Hz)

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rd deviation (dB)

Volume 11.1 m^3

Figure 4.11 Spatial distribution of sound pressure level. Toilet with hard room boundaries, volume 11.1 m^3.
Solid curve – measured standard deviation. Dashed curve – predicted standard deviation. After Olesen (1992).