本设计主要基于Visual Studio 2010编译环境下，涉及到多线程的设计，创建了两个线程，其中一个线程MP3的播放线程，另一个线程是频谱的分析线程，播放线程总是通过解码器获取数据，频谱线程根据当前播放的时间获取到正在播放的PCM数据，使用FFT计算后绘图显示。MP3解码则由由libmad开源解码库完成。-This design is mainly based on the build environment in Visual Studio 2010, related to the mu

Sipek Softphone is an open source project that is intended to share common VoIP software design concepts and practices. Beside that it s a simple and easy-to-use SIP softphone with many useful features. New version released - Sipek Softphone v0.