在PC环境下开发语音采集、压缩、打包、网络传输、接收存储、声音回放等单向通信功能，编写简单界面；采样率：8KHZ，存储基本数据格式：单通道A律PCM，录音数据源：pc MIC接口，自行制定通信协议，采用UDP传输、pcm语音帧长40ms；-Development of voice in the PC environment, acquisition, compression, packaging, network transmission, reception, storage, sound p

H.245是H.323协议族中用于媒体信道控制的协议主要完成多媒体通信中每个逻辑通道的建立维护和释放具-H.245 is a protocol for H.323 protocol suite in the main media channels control the completion of the establishment of multimedia communication in each logical channel maintenance and release of a