图像DCT编码压缩，经DCT变换，量化，编码，然后再解码。-DCT coding image compression, the DCT transform, quantization, coding, and then decode.

DCT变换用于JPEG压缩编码的实验，实验目的:掌握DCT变换的基本运算和JPEG编码的基本过程-DCT transform coding for the JPEG compression experiments Objective: To master the basic computing DCT transform coding and JPEG basic process

基于8Khz采样率的mp3源码,其中包括DCT变换，心理学模型，霍夫曼可边长度编码等-mp3 C source code based 8khz sample rate.

介绍和分析了H. 264 采用的新编码关键技术及算法, 诸如运动补偿, 帧内预测, 变换和量化, 新的熵编码等, 最后阐述视频编解码技术的研究方向及前景.-Descr iption and analysis of the H. 264 coding using the new key technology and algorithms, such as motion compensation, intra prediction, transform and quantization, entro