Abstract
Loudspeaker equalization is an essential technique in audio system design. A well-known equalization scheme is based on the deconvolution of the desired equalized response with the measured impulse response of the loudspeaker. In this paper, a post processing scheme is combined with the deconvolution-based algorithm to provide a better equalization effect. Computer simulation results are given to demonstrate the significant improvement that can be achieved using this method.
Highlights
A loudspeaker is a device that converts a signal from its electric form to audible sound wave
Among all the equalization schemes presented in the literature [1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13], the deconvolutionbased scheme [1] has the simplest filter structure and is widely used
In our previous work reported in [4, 5], a warped filter has been incorporated into the multiband equalizer design to reduce the structural complexity
Summary
A loudspeaker is a device that converts a signal from its electric form to audible sound wave. Among all the equalization schemes presented in the literature [1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13], the deconvolutionbased scheme [1] has the simplest filter structure and is widely used. This scheme does not work effectively at low and middle frequencies. The paper ends with the concluding remarks of Section 5
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