Proceedings of the Korean Society for Noise and Vibration Engineering Conference (한국소음진동공학회:학술대회논문집)
- 2008.04a
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- Pages.916-919
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- 2008
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- 1598-2548(pISSN)
Uniqueness Problem in Sound Field Reproduction
음장 재현에서의 유일성 문제
- Chang, Ji-Ho (NOVIC(Ctr. for Noise and Vibration Control), KAIST) ;
- Kim, Yang-Hann (NOVIC, KAIST)
- Published : 2008.04.17
Abstract
This paper deals with a means to reproduce sound field by using Kirchhoff-Helmholtz integral equation. We control boundary value or generate sound sources on the boundary in order to control the sound field as we want. The method assumes that there is a unique relation between sound field and its boundary should. Otherwise the reproduced sound field is different from what we want generate; the original sound field. Half-infinite sound field and finite sound field are considered and whether the uniqueness is hold or not and how the reproduced field is generated are discussed in each case.