bpa

这是一部关于各向异性介质中的波的传播规律，里面含有大量是实例，非常容易理解，适合初学者(It is a book of wave propagation in anisotropic media, which contains a large number of instances, very easy to understand, suitable for beginners)

TVideoGrabber 是一款通用的视频捕捉和媒体播放组件，可用于 C#、VB、C++、Delphi、C++Builder 和 ActiveX-compatible 开发工具。软件功能强大，使用简单，可捕获来自 Firewire (IEEE1394)、DV摄像机、USB摄像头、电视卡、视频播放设备等的视频和音频信号，并保存为 AVI、ASF、WAV、MP3、MPEG2等格式文件。同时带有DV机控制，电视卡转台功能。 在录制视频的基础上，更可实现视频拼接、分割和格式转换功能。 软件内置播放器，可直接播放录制完成的多媒体文件，并提供基本的播放控制。 经测试，该版本没有功能限制。 ( TVideoGrabber Video SDK version : v8.2 build 8.2.1.7 date : February 9, 2010 status : Cracked by DarkRapt0r system req. : Windows 7/Vista/XP/MCE/2003 server/2000/ME/98 DirectX runtime 9.0c or higher home page : http://www.datastead.com alt. home page : http://www.delphicity.com contact : contact@datastead.com support : support@datastead.com purchase : http://www.datastead.com/vidgrab/order.htm INSTALL : Read the "intall.txt" located in the folder of this package corresponding to the development tool used. ------- HELP : the help files are located in the "Help" folder of this package. ---- - use "TVideoGrabber.chm" on all platforms, including Windows 7 and Windows Vista - use "VidGrab.hlp" on earlier platforms (the content is the same))

基于SAPI的语音识别及控制程序SAPI-based speech recognition and control procedures  这个小程序能帮助人 们既的程序开发者尽快学习

可以将屏幕上所指定的任何区域保存录像下来，保存可以为avi(On the screen can be specified in any region save the video down, save for the avi)

windows使用mcisend编写的音乐播放器(music player)

内含服务端和客户端，服务端开启后，客户端可以与另外一个客户端进行语音录音，也可以进行广播，类似网络会议(暂不支持视频).适合想了解多媒体编程和网络编程的初学者.(Includes server and client,when server opened, the client can chat with another client also record voice, you can also broadcast to all client online, similar to the network meeting (not support video). Suited to people who want to know multi-media programming and network programming.)

修正的版本，运行时下载个foreman_qcif.yuv，把程序中相关的路径改成你自己放foreman_qcif.yuv的路径就是可以了(Revised version, run-time to download a foreman_qcif.yuv, the procedures related to the path into the path of your own that you can put a foreman_qcif.yuv)

wpf基础入门实例

演示采样定理，时域采样，频谱周期延拓同时演示采样频率小于2*fc时，产生的混叠效应。可作函数应用(Demonstration sampling theorem, time-domain sampling, the spectrum at the same time cycle extension demonstration sampling frequency is less than 2* fc, the resulting aliasing effect. Function can be used for applications)

说明：  迷你播放器，采用C++开发，支持多种播放多媒体文件，非常好用的一个迷你播放器。(Mini player, using C++ developers to support multiple broadcast multimedia files, very easy to use as a mini player.)