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Perceptual filter design for audio coding using psychoacoustic modelling

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2 Author(s)
Lam, Y.H. ; Dept. of Electron. & Electr. Eng., Strathclyde Univ., Glasgow ; Stewart, R.W.

A generalised perceptual filter which aims to reduce the audible quantisation noise in low bit rate audio coding has been developed. The filter derivation is based on a psychoacoustic excitation pattern model. Experimental results show that the perceptual filter can reduce the audible quantisation noise in a sub-band coded audio signal

Published in:

Electronics Letters  (Volume:34 ,  Issue: 8 )

Date of Publication:

16 Apr 1998

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