自己写的一个wavetotext的代码。鉴于网上大多数都不可用，或者用起来很麻烦。解决了由软件生成的wave,fmt字段16位转18位多出两位的问题,Write a wavetotext their own code. In view of the majority is not available online, or use up a lot of trouble. Solved by software-generated wave, fmt field is 16-bit transfer

21PN网络无刷新聊天室，采用XML技术实现无页面刷新实时显示用户发言，动态更新在线用户名单。-21PN network without refresh chat rooms, the use of XML technology to achieve real-time display without the page refresh the user to speak, dynamically updated list of online users.