An Experimental Study on the Optimistic Recognition Level of Public Address System as a Soundscape Application Facility

사운드스케이프 적용을 위한 옥외 P.A. 시스템 적정 인지레벨에 관한 실험적 연구

As a active soundscape facility, P.A. system is a useful instrument to give place identity and vitality by letting out music, environmental music, bird singing sound etc. In this study, to know the optimistic distance and sound level range of introducing sound, sound levels due to distance were measured and subject responses were checked by questionnaire. Levels from 64dB to 71dB are recommended by subjects. And the optimistic level of introducing level is related with level variance of sound source. The results of this study could used for street furniture location design and P.A. system output level.