The echo cancellation technique is now widely used to implement the full-duplex communication in almost all telephone privacy systems.

几乎所有的电话保密系统都使用回波抵消技术来实现全双工通信。

youdao

So acoustic echo cancellation (AEC) technique has become a hot issue of competition in the famous communication company all over the world.

因此，回波消除技术也就成为世界各大通讯公司竞争的热点技术之一。

youdao

So acoustic echo cancellation (AEC) technique has become a hot issue of competition in the famous communication company all over the world.

因此，回波消除技术也就成为世界各大通讯公司竞争的热点技术之一。

youdao