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2006•Journal of Hefei UniversityRequires access

An Appreciable Audio Filter Based on the MATLAB

XU Huo-xi

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Abstract

This paper analyzes the physical significance of the time domain convolution operation and the frequency domain weight algorithm.And by using the MATLAB sound processing function as the data connection,the multimedia players as the interactive contact surface,the MATLAB FDATool as the filter design tool,designs a group of experiments for audio signal filter with the purpose of strengthening the understanding of the digital signal processing by comparing the change of the audio effect before and after the filter.

About this research paper

What this paper is about

This paper analyzes the physical significance of the time domain convolution operation and the frequency domain weight algorithm.And by using the MATLAB sound processing function as the data connection,the multimedia players as the interactive contact surface,the MATLAB FDATool as the filter design tool,designs a group of experiments for audio signal filter with the purpose of strengthening the understanding of the digital signal processing by comparing the change of the audio effect before and after the filter.

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Available abstract

This paper analyzes the physical significance of the time domain convolution operation and the frequency domain weight algorithm.And by using the MATLAB sound processing function as the data connection,the multimedia players as the interactive contact surface,the MATLAB FDATool as the filter design tool,designs a group of experiments for audio signal filter with the purpose of strengthening the understanding of the digital signal processing by comparing the change of the audio effect before and after the filter.

Key concepts: MATLAB, Computer science, Filter (signal processing), Audio signal, Convolution (computer science), Filter design, Digital signal processing, Digital filter

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