a good audio source

跟踪基本框架，opencv编写，利用背景差分，质心法可以跟踪多个目标，并分配ID号，记录行动轨迹，可用于车辆道路等，大家可以参考学习下，效果有待改进，不同的视频会有不同的效果，需要调整参数，一起互相学习吧

循环冗余校验CRC（Cyclic Redundancy Check）是由分组线性码的分支而来，其主要应用是二元码组。编码简单且误判概率很低，在通信系统中得到了广泛的应用。重点介绍了CRC校验的原理及其算法实现。-Cyclic Redundancy Check (Cyclic Redundancy Check) is a linear code from the branch, its main application is binary codes. Coding simple misjudgment of very low probability, the communications system, which is widely used. Highlights of the CRC algorithm and its principles.

G.721采用自适应量化差分脉冲编码，将64Kbps压缩到32Kbps。-G.721 adaptive differential pulse code quantization will 64Kbps compressed to 32Kbps.

大名鼎鼎的virtual dub 程序源代码,-famous virtual dub source code,

说明了如何使用PlaySound函数来播放WAVE声音文件，并且将WAVE文件嵌入到可执行文件中。-illustrate how to use function PlaySound players WAVE audio files, and documents will be embedded into WAVE executable file.

在delphi下,对游戏杆的控制的与使用.-In delphi under control joystick and use.

插件的实现程序。该插件对Filter Graph Manager进行扩展，让它 支持IMPEG1Builder接口。使用该接口可以为MPEG1文件自动构建播放用的Filter Graph（使用DirectShow集成的MPEG1相关的一系列Filter）。-plug-in the realization process. The plug-right Graph Filter Manager for expansion, it supports IMPEG1Builder interface. The interface can be used to automatically convert documents with the players Construction Filter Graph (using DirectShow integrated MPEG1 related to the series of Filter).

一个简单的mp3播放软件，支持后台播放，可以最小化到系统托盘，快捷菜单控制。-A simple mp3 player software, support background player, you can minimize to system tray, shortcut menu control.

普通黑白屏mp3系统设置的源程序，各种设置齐全-Mp3 ordinary black-and-white screen of the source system settings, all set complete

NXP官方SAA7182源代码，非常详尽的实现了所有功能函数，原用于NXP自家的trimedia平台，标准C，移植很容易。-NXP official SAA7182 source code, in great detail all the features of the realization of a function, the original home for NXP