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

页码：747 / 748

页数：2

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