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

Authors:
H. I.K. Rao;V. J. Mathews;Young-Cheol Park
Affiliations:
Dept. of Electr. & Comput. Eng., Univ. of Utah, Salt Lake City, UT;-;-
Venue:
IEEE Transactions on Audio, Speech, and Language Processing
Year:
2007

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Abstract

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.