Distortion Estimation of a Loudspeaker Using Knock Off Filter.

Abstract

The Distortion Level (DL), a vital criterion accustomed appraises loudspeaker performance, normally will be measured using spectral analysis technique. However, spectral analysis produces nice procedure quality. What is more, long measuring times area unit necessary to measure DL accurately during a noisy atmosphere. Therefore, we have a tendency to project the DL measuring technique for a speaker system using an knock off filter. This measuring technique will measure DL as accurately as spectral analysis using quick Fourier transform. The procedure quality is far good that of spectral analysis. Yet, this measuring technique needs a long measuring time to assess the convergence of filter coefficients. This paper presents an outline of the DL measuring technique of a speaker system using knock off filters. The projected measuring technique will measure DL accurately than spectral analysis during a crying atmosphere and evaluate the performance of the project measuring technique victimization laptop simulations. Results based on simulations, show that the proposed measuring technique is more effective than spectral analysis in an acoustic atmosphere with background signal.