回波消除技术 meaning in Chinese

ect echo cancellation technique

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。
So acoustic echo cancellation ( aec ) technique has become a hotspot of competition in famous communicaton company all over the world . however , it is not always easy to implement acoustic equipments for communication system with satisfactory speech quality
回波消除技术能有效地解决长距离电话网络、 ip电话、免提电话和视频会议等通信系统中的回波问题，很好地改善了语音通信质量，具有广阔的市场前景。