client端进行录音，server端进行播放。传输前使用G711u方式编码，接收到后进行解码。延时处理得不够好。-recording client side, server-side for playback. G711u encoded before transmission using the receiver to the post-decoding. Latency handled well enough.

windows mobel 下的基于UDP的通信程序以及音频的播放-windows mobel under the UDP-based communication program and audio playback