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A Minimax Approach for the Joint Design of Acoustic Crosstalk Cancellation Filters

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3 Author(s)
Harsha I. K. Rao ; Dept. of Electr. & Comput. Eng., Univ. of Utah, Salt Lake City, UT ; V. John Mathews ; Young-Cheol Park

This paper presents a method for jointly designing immersive audio rendering filters for a single listener using loudspeakers. The filters for crosstalk cancellation are assumed to have finite impulse responses and are designed using the minimax criterion. In addition to the traditional Atal-Schroeder crosstalk canceler structure, this paper explores an alternate topology that requires the approximation of a single filter. In general, the minimax approach provides improved low-frequency performance leading to a better overall separation of the direct-path and cross-path transfer functions than least-squares designs. The performance of the single-filter structure is better than that of the traditional crosstalk cancellation structure.

Published in:

IEEE Transactions on Audio, Speech, and Language Processing  (Volume:15 ,  Issue: 8 )