Perceptual filter design for audio coding using psychoacoustic modelling

被引：0
|
作者：
Lam, YH [1 ]
Stewart, RW [1 ]
机构：
[1] Univ Strathclyde, Dept Elect & Elect Engn, Signal Proc Div, Glasgow G1 1XW, Lanark, Scotland
来源：
ELECTRONICS LETTERS | 1998年 / 34卷 / 08期
关键词：
D O I：
10.1049/el:19980570
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
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.
引用
收藏
页码：747 / 748
页数：2
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