关于图片的编程，如打开，保存，另存为。 设置滚动条。

需要语音包的支持-need the support of packet voice

用java编写的一个媒体播放器-A media player written with java.

多媒体CAI课件制作实用教程（朱仁成6-10）-CAI courseware Practical Guide (Shurencheng 6-10)

利用ffmpeg库解码音频文件中音频内容，再通过openal32来播放解码出来的音频内容 利用openal32库及ffmpeg库来播放音频文件  

很好的音频编码解码控件，包括音频录制、音频转换、音频播放等-good audio codec controls, including audio recordings, audio conversion, audio players, etc.

一个声音播放器，可以支持多种格式的声音，采用MFC框架编写，适合多媒体编程的初学者-A voice player, can support the voices of a variety of formats, using MFC framework of the preparation, suitable for multi-media programming for beginners

在多媒体文件中批量抓取图象-multimedia files in the batch capture images

一个小的音频转化工具，能实现实现mp3,mp4等之间的转换，适用于初学者的学习。-a small audio conversion tool, able to achieve MP3 and WAV, etc. The change applies to beginners learning.

里面含有几种用单片机做的mp3电路图和程序，很详细。-Which contains several of the mp3 to do with single-chip circuitry and procedures in great detail.

wav文件paser小程序,用于分析wav文件头-wav file paser small procedures used to analyze the wav file header