采用复合编码扩频技术、隐分集技术以及多媒体数据压缩技术，实现了空地大容量高速、抗干扰多媒体数据传输。
Hybrid spread spectrum, rake and multiple data compressing technology are used to realize air to ground mass high-speed, anti-jamming multiple data transmission.
MPEG - 4是现在最重要最有影响的多媒体数据压缩编码国际标准之一，基于对象的编码思想使其具有高压缩比、可扩展性、可交互性等许多优点。
Among them, MPEG-4 plays an important role in the multimedia field. Due to its object-based idea, it has the virtue of high compression ratio, scalability, interactivity with users and so on.
针对这些问题，对当前的多媒体数据压缩、网络通信技术和网络协议进行了比较和研究，详细介绍了当前解决实时多媒体信息传输所涉及的一些新方法和新技术。
To solve these problems, study and compare the present communication technology and network protocal, introduce the new ways and new technology of present real-time multimedia transfer.
MPEG - 4标准是现在最重要最有影响力的多媒体数据压缩编码国际标准之一，基于对象的编码思想使其具有高压缩比、可扩展性、可交互性等许多优点。
MPEG-4 is one of the most influence multimedia data coding standard. The video object method makes it have higher compression ratio, flexible, interactive characteristic.
本文对远程医疗的四个关键技术——网络协议、多媒体数据库技术、数据压缩技术、网络安全分别进行了研究。
Four key techniques of telemedicine system about are researched respectively, which are network protocols, multimedia database system, data compress and network security.
特别是MPEG音、视频数据压缩标准的推出，各种便携式多媒体播放器相继问世，已成为消费电子产品新的增长点。
In particular, the set up of the MEPG Audio, MPEG Video compress standard, make several of portable media player comes out, have been a new selling point of the commercial electronic products.
特别是MPEG音、视频数据压缩标准的推出，各种便携式多媒体播放器相继问世，已成为消费电子产品新的增长点。
In particular, the set up of the MEPG Audio, MPEG Video compress standard, make several of portable media player comes out, have been a new selling point of the commercial electronic products.
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