定点实现低通滤波。参考了G.729标准中的低通滤波

语音电话高级编程是一个通过调制解调器来进行语音电话开发的程序。 本程序需要调制解调器的支持，否则可能失败需要调制解调器支持语音传输，本程序在子弹头调制解调器下调试通过，通话时通过麦克风和话筒来进行。-Voice calls is a high-level programming via modem to the development of procedures for voice calls. This procedure needs the support of a modem, or modem may fail to support the needs of voice transmission, the procedure under the debug modem bullet passed through a microphone and call for the microphone.

Mp3播放的完整工程,可以好好学习 可以好好学习-Mp3 player complete works, you can study hard to study hard

DirectSound混音效果的实现.-DirectSound mixing effect is achieved.

资源描述bass.dll是一款第三方音乐解码插件，支持多种流行无损音乐格式，比如：acc、ape、flac等，并且能实现一般播放器完整功能，比如设置均衡器，显示音乐频谱，设置环境音效，混响效果等。本案例实现混响效果……

在jmf框架下，使用rtp流进行实时视频传输。 内含三个类分别是mediatransmit mediareceive和playpane    。实地址都设置为了本地地址，自己进行传输。                                                                                                                        

用VC写的一个可以将视频文件转换为.bmp,.jpg等格式的图片序列的软件，对于学习cximage和ffmpeg库都比较有用，也可以帮助你自己写播放器，支持的视频格式很多-Using VC to write a video file can be converted to. Bmp,. Jpg format picture sequence, such as software, for learning cximage and ffmpeg libraries are more useful, they can help to write your own player, support many video formats

mpeg2编码程序-mpeg2 encoding procedures

MutilMedia Player支援MOD MP3 WAVE OGG等格式-MutilMedia Player support MOD MP3 WAVE OGG format, etc.

ActiveX, Vertival menu Creation d un menu vertical

VB写的视频采集-VB wrote Video Capture