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Cross-Talk Cancellation for Headrest Sound Reproduction

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Loudspeakers mounted in the headrests of a seat could potentially be used for spatial sound reproduction in a number of applications. Although the natural cross-talk cancellation in such an arrangement is good with the listener’s head in the central position, it is degraded for other head positions. In order to improve the reproduction of spatial audio with such a system, various methods of cross-talk cancellation are investigated in this paper. An averaged cross-talk cancellation system is introduced that minimises the reproduction error over a number of closely spaced positions, which causes less degradation of the performance away from the assumed head location than exact crosstalk cancellation at one point in space.

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