用webrtc写的会议代码，可以通过他来进行视频聊天，并且完成与他人的交流-Meeting with webrtc write code, you can video chat through him, and to complete the exchange with others

C/C++ 的AEC 算法 取自于google 的webrtc 开源项目-C/C++ AEC form google webrtc project

webrtcd的aec模块的matlab实现，包括了频域NMLS滤波以及后期的非线性处理部分。可以得到较好的回声消除效果。(Matlab implementation of AEC module of webrtcd includes frequency domain NMLS filtering and later non-linear processing. A better echo cancellation effect can be obtained.)