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Modified time-domain LS FIR filter design for musical notes

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3 Author(s)
A. K. K. Wong ; Dept. of Electron. Eng., City Univ. of Hong Kong, Hong Kong ; S. H. Leung ; W. H. Lau

A modified time-domain least-squares (MTLS) finite impulse response filter design method for transforming musical notes is introduced. The method is based on a new criterion called total harmonic gain to noise ratio (THGNR) in addition to the least-squares criterion. The THGNR criterion aims to reduce the noise gain of the filter. Compared to the time-domain least-squares finite impulse response filter design method, the MTLS offers a better solution, which has low noise gain and small time-domain distortion

Published in:

Electronics Letters  (Volume:35 ,  Issue: 4 )