论文部分内容阅读
一、引言 人类进入信息社会,对通信功能和服务的多样性、交互性、综合性等都提出了更多更高的要求,推动了各类多媒体通信技术研究、产品研制、应用开发的迅猛发展。人们期盼二十一世纪理想的多媒体通信能较广泛地成为实用,可以在任何时间、任何地点,通过终端得到需要的图文声信息,享受丰富多彩的多媒体通信服务。 在我国,多媒体通信技术的研究和应用开发尚处于
I. INTRODUCTION Humans entered the information society and put forward more and higher requirements on the diversity, interactivity and comprehensiveness of communication functions and services, and promoted the rapid development of various types of multimedia communication technology research, product development and application development . People look forward to the ideal multimedia communication in the 21st century can be more widely practical, you can at any time, any place, through the terminal to get the necessary teletext information, enjoy rich and colorful multimedia communication services. In our country, the research and application development of multimedia communication technology is still in progress