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A Discussion on the Application and Merits of Employing IIR Filter Structures to the Task of Acoustic Equalization

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This paper presents two digital equalization techniques, one based on an FIR structure and the other on a hybrid FIR/IIR structure. Discussion is given on the forms each equalization approximation takes and, consequently, the beneficial attributes apropos audio equalization. A practical comparison of the two techniques is given which shows potential gains may be achieved using the hybrid FIR/IIR filter type.

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