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Adaptive Crosstalk Cancellation Using Common Acoustical Pole and Zero (CAPZ) Model—Common Pole Estimation

In this paper, we introduce adaptive crosstalk cancellation using a common acoustical pole and zero (CAPZ) model for a head-related transfer function (HRTF). As the CAPZ model for HRTF provides an interpretation of the HRTF wherein zeros describe the spatial difference caused by the acoustical propagation path and common poles describe the characteristics of the human auditory system, we designed the proposed model to follow the zero components of the CAPZ model. By estimating common poles and simulations, we verified that the proposed model exhibits enhanced performance compared with a conventional finite impulse response model of HRTF.

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