領域分離制御における領域内音圧の平坦化

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  • Sound pressure planation on region separation control

説明

<p>Region separation control of sound field can be achieved by ACC, which is an energy control method, but the reproduced sound zone by ACC method may have large gap of sound pressure in it. There are several ways from previous researches attempt to resolve this “planarity” problem and reproduce plane sound field, but most of them work not directly to the planarity of sound field or need complex calculations. In this paper, we propose an easy and direct method (ACRV) to planate sound pressure without losing Acoustic Contrast and compare it with the method of previous research (ACC and ACLD.) ACRV can make more plane sound field than ACC, and also there are certain cases that ACRV perform better than ACLD.</p>

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