Acoustical evaluation of Berwick preschool

Wonyoung Yang, Murray Hodgson


In noisy environment, the speech level and volume of the space were dominant factors for speech intelligibility. However, in a quiet environment, the absorption was more effective than speech level or volume. Decreasing the volume of the classrooms would be the most effective solution. Installing a suspended acoustical ceiling would be an option since they decrease the RT and increase RASTI.


Acoustic intensity; Acoustic noise; Acoustic variables measurement; Ceilings; Computer simulation; Floors; Reverberation; School buildings; Speech intelligibility; Walls (structural partitions); Classroom acoustics; Software package CATT; Sound levels

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