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Performance Comparison of filters designed in time and frequency domains for personal audio

To realize a personal audio, zone control techniques with loudspeaker array have been used. Previously frequency domain control methods formed the mainstream, however recently, time domain control methods have attracted attention. One of causes is non-causality of frequency domain control results, time domain control can overcome that. This research studied performance comparison of filters designed in time and frequency domains for personal audio through numerical simulations. Filters are designed by same objective function with bright zone response and input power constraints. For comparison of performances, time domain response evaluation is conducted.

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Permalink: http://www.aes.org/e-lib/browse.cfm?elib=18325

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AES - Audio Engineering Society