对于语音和图像的数字信号处理基本知识的介绍，对信号处理的各个基本知识可以有个大概的认识-A rough introduction for the dsp of speech and video.It could give you a basic knowledge of signal processing.

图像数字识别，并且语音播报，matlab程序，需要的可以下载-Digital image recognition, voice broadcast, matlab program can be downloaded to see