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ACOUSTICS - MEASUREMENT OF SOUND ABSORPTION IN A REVERBERATION ROOM
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Published date: 12-01-2013
Publisher: Belgian Standards
ForewordIntroduction1 Scope2 Normative references3 Terms and definitions4 Principle5 Frequency range6 Test arrangement 6.1 Reverberation room and diffusion of sound field 6.2 Test specimens 6.3 Temperature and relative humidity7 Measurement of reverberation time 7.1 General 7.2 Interrupted noise method 7.3 Integrated impulse response method 7.4 Evaluation of reverberation times based on decay curves8 Expression of results 8.1 Method of calculation 8.2 Precision 8.3 Presentation of results9 Test reportAnnex A (normative) Diffusivity of the sound field in the reverberation roomAnnex B (normative) Test specimen mountings for sound absorption testsBibliography
Provides method of measuring the sound absorption coefficient of acoustical materials used as wall or ceiling treatments, or the equivalent sound absorption area of objects, such as furniture, persons or space absorbers, in a reverberation room.
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