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Acoustical design of an adjustable acoustics recital hall for Indonesian traditional music based on optimum acoustic parameters
Nugroho A.C.a, Rohmah S.S.a, Merthayasa I.G.N.a, Sarwono J.a
a Engineering Physics, Bandung Institute of Technology, Bandung, West Java, 40132, Indonesia
[vc_row][vc_column][vc_row_inner][vc_column_inner][vc_separator css=”.vc_custom_1624529070653{padding-top: 30px !important;padding-bottom: 30px !important;}”][/vc_column_inner][/vc_row_inner][vc_row_inner layout=”boxed”][vc_column_inner width=”3/4″ css=”.vc_custom_1624695412187{border-right-width: 1px !important;border-right-color: #dddddd !important;border-right-style: solid !important;border-radius: 1px !important;}”][vc_empty_space][megatron_heading title=”Abstract” size=”size-sm” text_align=”text-left”][vc_column_text]This paper discusses the design of an adjustable acoustics recital hall that could accommodate the acoustic requirements for Indonesian traditional music, especially Javanese Gamelan, Balinese Gamelan, and Angklung. The optimum acoustical parameters that are used as a basis for this paper are Listening Level (LL), Initial Time Delay After First Reflection (?t1), Subsequent Reverberation Time After The Early Reflections (Tsub), and Inter Aural Cross Correlation (IACC). The design of this recital hall incorporates several adjustable acoustic components that could be modified to fulfil the optimum acoustic parameters for each type of music, such as acoustic reflectors, retractable drapes, and acoustic ceilings. A computer model was designed to estimate the influence of each component to the overall acoustical parameters of the hall. The modification of each acoustical components underwent several iterations until the optimum acoustical parameters were fulfilled for each type of music. Computer simulation showed that adjustments of these acoustical components could dramatically change the hall’s acoustical parameters, for example the Tsub within the range of 1.04-1.68 s, with each component has a contribution of changing the characteristics of the hall. The idea of an adjustable acoustics hall could be used to satisfy the needs of a multi-purpose hall in a region with limited resources and funds.[/vc_column_text][vc_empty_space][vc_separator css=”.vc_custom_1624528584150{padding-top: 25px !important;padding-bottom: 25px !important;}”][vc_empty_space][megatron_heading title=”Author keywords” size=”size-sm” text_align=”text-left”][vc_column_text]Acoustic components,Acoustic parameters,Acoustic reflectors,Acoustical design,Acoustical parameters,Computer modeling,Inter aural cross correlations,Reverberation time[/vc_column_text][vc_empty_space][vc_separator css=”.vc_custom_1624528584150{padding-top: 25px !important;padding-bottom: 25px !important;}”][vc_empty_space][megatron_heading title=”Indexed keywords” size=”size-sm” text_align=”text-left”][vc_column_text][/vc_column_text][vc_empty_space][vc_separator css=”.vc_custom_1624528584150{padding-top: 25px !important;padding-bottom: 25px !important;}”][vc_empty_space][megatron_heading title=”Funding details” size=”size-sm” text_align=”text-left”][vc_column_text][/vc_column_text][vc_empty_space][vc_separator css=”.vc_custom_1624528584150{padding-top: 25px !important;padding-bottom: 25px !important;}”][vc_empty_space][megatron_heading title=”DOI” size=”size-sm” text_align=”text-left”][vc_column_text][/vc_column_text][/vc_column_inner][vc_column_inner width=”1/4″][vc_column_text]Widget Plumx[/vc_column_text][/vc_column_inner][/vc_row_inner][/vc_column][/vc_row][vc_row][vc_column][vc_separator css=”.vc_custom_1624528584150{padding-top: 25px !important;padding-bottom: 25px !important;}”][/vc_column][/vc_row]