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Design and Evaluation of Digital Filters Applied to Loudspeaker/Room Equalization

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Different methods to design digital filters aimed at equalization of loudspeaker/room responses are considered. Design of inverse filters is based on measured loudspeaker/room impulse responses combined with room and psychoacoustic knowledge. Frequency-dependent smoothing and nonlinear equalization effort were applied; and a new iterative method based on both time and frequency domain criteria is proposed.:

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AES - Audio Engineering Society