一、多媒体概念与发展情况 所谓多媒体(multimedia),其基本概念是:在用户可资利用的信息媒体声音、文字、图形、图象(包括静止图象和活动图象)等之中,可让用户自由地按需选择,而且可以自在地进行加工和对话。例如,在多媒体通信中,一次通信过程所交换的信息媒体不是一种,而是多种媒体之综合。即采用多种信息媒体,由机器对这些信息进行显示、存储、检索和传输。它可以远 First, the concept and development of multimedia The so-called multimedia (multimedia), the basic concept is: the user can use the information media sound, text, graphics, images (including still images and moving images), etc., Users are free to choose on demand and are free to process and talk. For example, in multimedia communication, the information medium exchanged in one communication process is not one but a combination of multiple media. That is, using a variety of information media, the machine to display these information, storage, retrieval and transmission. It can be far away