Channel-number-compressed multi-channel acoustic echo canceller for high-presence teleconferencing system with large display

被引：0

作者：

Nakagawa, A ^{[1
]}

Shimauchi, S ^{[1
]}

Haneda, Y ^{[1
]}

Aoki, S ^{[1
]}

Makino, S ^{[1
]}

机构：

[1] Nippon Telegraph & Tel Corp, Cyber Space Labs, Musashino, Tokyo 180, Japan

来源：

2000 IEEE INTERNATIONAL CONFERENCE ON ACOUSTICS, SPEECH, AND SIGNAL PROCESSING, PROCEEDINGS, VOLS I-VI | 2000年

关键词：

D O I：

暂无

中图分类号：

O42 [声学];

学科分类号：

070206 ; 082403 ;

摘要：

Sound localization is important to make conversation easy between local and remote sites in a teleconference. This requires a multi-channel sound system having a multi-channel acoustic echo canceller (MAEC). The appropriate number of channels is determined from a trade-off between high presence and MAEC performance, so it is not possible to increase the channel number by much. We propose a channel-number-compressed MAEC to provide teleconferencing systems that exhibit high presence. The channel number of the MAEC inputs is compressed and that of its outputs is expanded.

引用

页码：813 / 816

页数：4

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