海康网络摄像头 语音对讲功能纯原创的demo sdk取自c++版本api 封装了自用的c#版本 api c#用户可以很方便的使用它来操作海康设备音频数据(Haikang network camera voice intercom function pure original demo SDK from the c++ version of the API version of the c# API package for c# users can easily use it to ope