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On the Physical and Perceptual Precision of the Multi-point Control Method in HRTF Simulation  

김해영 (동명정보대학교 공과대학 멀티미디어공학과)
Abstract
Sound localization can be controlled by simulating the transfer functions from sound source to listener's ears. Even by using this method. a good performance cannot be expected when a listener slightly moves from the position where the transfer functions were measured. We have already been proposed the multi-point control method to overcome the problem of the listener's small movement. In this method, the transfer functions are simulated at multiple points around the listner's ears so that the points forms an area which covers the small movement of the listener. In this paper. we investigated the effect of applying multi-point control method for the control of sound localization. Results show that multi-point control is effective to keep the perceptual error of the localized direction small when the listener moves up to 6 cm from the original position.
Keywords
Sound localization; HRTF; Control of sound localization; Multi-Point control;
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