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2010•Audio EngineeringRequires access

Discussion on Construction of Semi-anechoic Room

Chen Xiao-li

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Abstract

Guidelines for the design of semi-anechoic room are introduced,especially the general calculations of cut-off frequency,background noise and dimensions of the semi-anechoic room.Properties of sound source's radiation in a semi-anechoic room are also introduced.Because of the panel reflection,it is different from the radiation when it is in an anechoic room,and the sound directivity is more complex.It is helpful to the ones who want to build a semi-anechoic room.

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What this paper is about

Guidelines for the design of semi-anechoic room are introduced,especially the general calculations of cut-off frequency,background noise and dimensions of the semi-anechoic room.Properties of sound source's radiation in a semi-anechoic room are also introduced.Because of the panel reflection,it is different from the radiation when it is in an anechoic room,and the sound directivity is more complex.It is helpful to the ones who want to build a semi-anechoic room.

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Available abstract

Guidelines for the design of semi-anechoic room are introduced,especially the general calculations of cut-off frequency,background noise and dimensions of the semi-anechoic room.Properties of sound source's radiation in a semi-anechoic room are also introduced.Because of the panel reflection,it is different from the radiation when it is in an anechoic room,and the sound directivity is more complex.It is helpful to the ones who want to build a semi-anechoic room.

Key concepts: Anechoic chamber, Directivity, Acoustics, Reflection (computer programming), Room acoustics, Architectural acoustics, Noise (video), Engineering

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