Title :
Perceptual filter design for audio coding using psychoacoustic modelling
fDate :
4/16/1998 12:00:00 AM
Abstract :
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
Keywords :
audio coding; filtering theory; noise; quantisation (signal); audible quantisation noise reduction; audio coding; filter design; generalised perceptual filter; low bit rate coding; psychoacoustic excitation pattern model; psychoacoustic modelling; sub-band coded audio signal;
Journal_Title :
Electronics Letters
DOI :
10.1049/el:19980570
