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.:

Authors: Rubak, Per; Johansen, Lars G.
Affiliation: Aalborg University, Department of Communication Technology, Denmark
AES Convention: 108 (February 2000) Paper Number: 5172
Publication Date: February 1, 2000
Subject: Signal Processing

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