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Sound Source Modelling and Synthesis by the Equivalent Source Method for Reproducing the Spatial Radiation Characteristics

The method based on the sound source reconstruction using the acoustical holography is proposed to make a model of spatial information of sound source. Also, the concept of modularized source using the combination of designed control filter generating radiation patterns of various ideal sources, having same directional pattern as each order term of spherical harmonics, is applied as a reproduction system for the sound source synthesis. As a demonstration system, a spherical source array consists of 25 loudspeakers is designed to generate the radiation patterns of ideal sources. With the designed system, the radiation patterns of several musical instruments are synthesized.

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AES - Audio Engineering Society