Audio interfaces and signal processing

被引：0
|
作者：
Emerit, M [1 ]
Scalart, P [1 ]
Gilloire, A [1 ]
机构：
[1] France Telecom, R&D, DIH DIPS, F-22307 Lannion, France
来源：
ANNALES DES TELECOMMUNICATIONS-ANNALS OF TELECOMMUNICATIONS | 2000年 / 55卷 / 9-10期
关键词：
telecommunication; sound pickup; sound reproduction; telephone; teleconference; noise reduction; echo cancelling; hands-free communication; sound field; three dimensional representation; psychoacoustics;
D O I：
暂无
中图分类号：
TN [电子技术、通信技术];
学科分类号：
0809 ;
摘要：
This paper deals with problems raised by speech and sound pick-up, processing and reproduction in telecommunication systems. Those problems which occur as soon as sound and speech are involved in a communication are briefly explained in the introduction. Then the noise and acoustic echo cancellation problems are discussed and current techniques are presented. The remaining part of the paper is dedicated to sound reproduction techniques which aim at preserving the spatial characteristics of sound and which take into account the characteristics of spatial hearing. Finally, some data about standardization are recalled and future applications are sketched.
引用
收藏
页码：526 / 537
页数：12
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