G.721采用自适应量化差分脉冲编码，将64Kbps压缩到32Kbps。

2.如何设置背景音乐？你想不想有音乐陪伴，你想不想-How to set background music? Do you want to be accompanied with music? Do you want

mp3的解码程序，里面有详细的代码注释，适合有一定基础的人-mp3 decoding process, which has a detailed code comments, for people who have a certain basis

程序１实现了avi图像捕获包，2是录制播放，存储声音的多线程，程序3简单的混音控制器，程序4 透明的动画控件-procedures for the realization of an avi image capture packets, two players is recorded, stored voice of the multi-thread, 3 simple procedures mixing controller, 4 transparent procedures Animation Control

一个视频采集的源程序 能实现视频的采集和回放,对初学者很有帮助.-A video capture of the source code to achieve acquisition and playback of video, very helpful for beginners.

视频压缩算法VHDL实现，值得参考，有8.16.24.32bit模式可选，实现硬件光标-VHDL, is worth considering, a model 8.16.24.32bit optional. hardware cursor

直接显示YUV格式图像(YV12)的源码,开发平台VC,挺有参与价值。-direct indication YUV format images (format) source code, the development platform VC, quite in value.

这个是用VC编写的微软的语音识别系统 功能还是很强大的-This is prepared using VC Microsoft speech recognition system is still very strong

一个利用media event listener创建一个简单的媒体播放器 的Java Applet 程序-use of a media event listener to create a simple media player Java Applet procedures

高级视频解码编码器-advanced video codec devices

用于Winamp2.0插件的光谱分析器源代码2-Winamp2.0 plug-in for Analysis of the source code for 2