Acoustics in nursery institutions focused on children- Practical methodologies observing sound environmentfrom children's view -

摘要

This study aims to create sound environment as educational surroundings for children, and weresearch methodology of sound environmental observing from children’s viewpoint. Weobserved how children interacting with sound environment in the kindergarten, and measuredsound field that surrounded children. The characteristic of kindergarten sound was 1~2kHz andlow frequency range sound that accompanied with children’s behavior, and almost noisy aboutover 70dB(LAeq,10m). And, we classified their activities into three types and these models showedthat the planning of sound environment design varied according to activity’s aims. We alsomeasured acoustical characteristics focusing on the height of children’s ears. It was suggestedthat interior design influenced sound environment that surrounded children and these tended tobe different from adult.