一个多种常用文件格式的资料，包括视频、音频、图像、压缩文件、文字处理等格式。-a resource of many kinds of file type，including video，audio，image，compressed files and word processing etc.

Histogram based information on Audio and Video Processing

Gold Wave音频处理软件处理音频文件。C编程读取音频文件成数值型，以备音频播放。-Gold Wave audio processing software audio files. C program to read the audio files into numeric, to prepare for audio playback.