While developing of video compression and encoding technology , a series of video compression international standards come on one after the other , and the video multimedia data are widely used in many fields 随着视频图像压缩编码技术的发展，一系列国际标准的相继出台，数字视频等多媒体数据在各种领域得到应用。
With the development of computer science and technology as well as their applications , it is more vital day by day for dbms to process multimedia data ( such as video , audio . etc ) 随着计算机科学与技术的不断发展，其应用领域的不断扩大，对数据库管理系统能够处理多媒体数据(例如视频、声频等)的需求也日益迫切。
First , this paper introduces h . 234 , analyzes h . 223 - multiplexing protocol for multimedia communication and h . 245 - protocol for communication control , and presents the solution for the difficulties in the protocols 详细分析了h . 324协议中的多媒体数据复用协议h . 223和通信控制协议h . 245 ，对协议中的实现难点提出了解决办法。
To delivery continues multimedia data in network , we use buffering , adaptive rate control and retransmitting to do with the latency and jitter of network transmitting 为了保证多媒体数据在网络上传输的连续性，我们使用了一定的缓冲、动态速率调整、重传等技术以克服当前internet网络传输的延迟、抖动等带来的不利因素。
The optimization and the security designation of a database are also the topics . in the emphasis working , a basic mmis - multimedia restaurant management information system is realized 论文工作中实现了一个基本的多媒体管理系统? ?多媒体餐饮管理系统，在系统开发过程中，介绍了在客户端的多媒体数据的存取和播放等技术。
With the developing of multimedia technology , the problem of how to store and manage multimedia data is becoming increasingly important , traditional multimedia database systems can not manage such data effectively 随着多媒体技术的不断发展，多媒体数据的存储及其管理问题日益突出，传统的数据库技术无法对其进行有效的管理。
The digital watermarking technique has been proposed as a promising means for intellectual property protection of multimedia data and has been a hot topic in both the academic world and the business society all the time 数字水印技术作为一个有望解决多媒体数据知识产权保护的手段被提出来，在学术界和产业界一直是一个研究热点。
Multimedia stream , such as video , audio stream on internet have three main characteristics : first , need of higher bandwidth ; second , a higher demand on real - time ; third , usually bursting 在网络上传输多媒体数据，像语音和视频流，具有三个方面的主要特征，一是需要很高的带宽，二是对实时性要求很高，三是数据往往都是突发的。
