STUDI SIMULASI ECOTECT SEBAGAI PENDEKATAN REDESAIN AKUSTIK AUDITORIUM

Istiadji, Ag. Djoko and Binarti, Floriberta (2007) STUDI SIMULASI ECOTECT SEBAGAI PENDEKATAN REDESAIN AKUSTIK AUDITORIUM. DIMENSI, Jurnal Teknik Arsitektur, 35 (2). pp. 107-116. ISSN 0126-219X

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Abstract

Speech intelligibility, which is a function of reverberation time (RT60), is a primary criterion to design acoustic of an auditorium. Optimum RT60 (0,5-1,0 s) in a diffuse auditorium is determined by the absorption and the room geometry. This paper describes Ecotect as a computational simulation program that is supportive in deciding the position and area of absorption material in the auditorium. Calculations based on statistical reverberation and existing acoustic particles methods are sufficient for the approach of room acoustic design. Site measurement result was used to examine validity of the program. Redesign of acoustic of the auditorium, then, was done based on the result of sound path analysis by identifying the position and the area of absorption material. Final test results by statistical reverberation and existing acoustic particles methods point out that the application of sound path analysis is quite successful to improve RT60, sound distribution, and the cost.

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