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Acoustics. Test code for suspended ceilings. Sound absorption Ingestion-build-51215 you can enhance animal and1 Scope This European Standard specifies additional necessary information on how to carry out efficiently and under standardized conditions the determination of the sound absorption coefficients according to EN ISO 354 Measurement of sound absorption in a reverberation room. It specifies the additional requirements of the sound absorption measurements and the operating and mounting conditions that should be used for the test. Observe that all demands