G.721采用自适应量化差分脉冲编码，将64Kbps压缩到32Kbps。

一个mp3播放的源码，本程序打开、播放、暂停、停止、快进、快退按钮可用，但无点击效果。-An mp3 player of the source, the application to open, play, pause, stop, fast forward, rewind button is available, but no click effect.

使用VB实现3D效果-use VB 3D effect

在多媒体程序的设计中经常需要处理声音文件，本文就是介绍如何在应用程序中播放WAV文件-In the design of multimedia programs often need to deal with sound files, this article is to introduce in the application how to play WAV files

VB.net编写的音频播放器，可以播放mp3、wav，wma等格式-VB.net prepared by the audio player that can play MP3, WAV, WMA formats.

可以进行多媒体内容编辑的一个程序，是采用控件实现的。可以下载后在本地进行编辑。-can edit multimedia content of a process, the use of controls to achieve. After can be downloaded for editing in the local.

由于在Windows2000下右键点击RIFF (*.avi,*.wav) 类型的文件，在摘要里没有该文件的具体信息，所以我就编了一个小程序，用来显示该类型文件的信息。具体信息主要包含视频流和音频流信息。视频流信息主要有:(1)Total frames (2)Frame rate (3)Codec (4)视频的宽度和高度等。音频信息主要有:(1)音频的格式 (2)单声道还是立体声 (3)采样频率等。-in Windows2000 Right click RIFF (*. avi,*. wav) file types, in a summary of the document was not specific information, so I compiled a small program used to indicate the type of document information. Specific information mainly includes streaming video and audio streams of information. Video streams of information are : (1) Total frames (2) Frame rate (3) Codec (4) video on the width and height. Major Audio Information : (1) Audio format (2) mono or stereo (3) sampling frequency.

声音监控程序，服务程序，安装后自动打开MIC，录音并将声音发到指定的计算机。-voice control procedures, service procedures, after the installation automatically open MIC, voice recording will be made to the designated computer.

我所有的dct变换程序，包括mmx，sse，sse2等，对于大家应该有用。-all my A1501 transform procedures, including mmx, SSE, SSE3, should be useful for everyone.

to use simulink to remove noise by RLS algorithm

VC++音视频例子完整代码,编译即可运行-VC++Video