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video and audio     
相关语句
  视音频
     16×8 video and audio switching matrix
     16×8视音频切换矩阵
短句来源
     This dissertation primarily studies the conversion from MPEG-1/2streams to MPEG-4streams ,including MPEG-1/2streams decoding and optimization,MPEG-4video and audio streams encoding and optimization,and the synthesizing of MPEG-4video and audio encoded streams.
     该文研究并实现了MPEG-1/2码流到MPEG-4码流的转换,包括MPEG-1/2码流的解码及其优化,MPEG-4视音频码流的编码及其优化,及编码后生成的MPEG-4视音频码流的合成。
短句来源
     Finally, based on the analysis of RTF, real-time transmission of video and audio data is realized with software, and a bandwidth control algorithm based on RTF is introduced.
     最后在对RTP协议进行深入分析的基础上,软件实现了视音频数据的实时传输,并讨论了一种基于RTP协议的带宽控制算法来控制视音频数据的传输带宽。
短句来源
     Under the support of the National 863 Project: Digital Video and Audio Coding, Transmission and Application System (No.: 2002AA119010), this dissertation has done a lot of researches on Turbo codes.
     本文在国家863 项目——数字视音频编码、传输、测试与应用示范系统(No.:2002AA119010)的资助下,对Turbo 码进行了深入的研究。
短句来源
     Development of System of Compression of Video and Audio Data with Wavelet Transformation Based on Digital Signal Processor
     基于数字信号处理器(DSP)的小波变换视音频数据压缩系统开发
短句来源
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  视频和音频
     261 which is used in 64K video transmission, MPEG-1 which is used in 1.5M video and audio transmission and storage,MPEG-2 which is used high quality digital video and audio transmission and storage ,H.
     261、面向1.5M 数字视频和音频传输及存储的MPEG-1、面向高品质数字视频和音频传输及存储的MPEG-2 以及适于低码率视频编码的H.
短句来源
     With the rapid development of multimedia and information network, the copyright protection of digital media as image、video and audio becomes more and more important .
     随着多媒体和网络技术的迅速发展与广泛应用,对多媒体数字产品(如数字图像、数字视频和音频等)的版权保护成为迫切需要解决的问题。
短句来源
     324-based GPS long-distance multimedia communication system allows simultaneous provision of data, video, and audio services.
     324技术规范应用于GPS领域是对传统GPS系统的一个巨大改进,基于H. 324的GPS多媒体远程通信系统可同时提供数据、视频和音频业务。
短句来源
     There are three parts for the MPEG-2 standard definition, system,video and audio.
     MPEG 2标准定义分为系统、视频和音频 3个部分。
短句来源
     By using existing network infrastructure,IP video frequency transmits data,video and audio signals at the cheapest price through public and special networks so as to realize the faster and higher-quality communication service.
     IP视频利用现有的网络基础设施,通过公众和专用网络,以最低廉的价格传送数据、视频和音频信号,从而实现更快、更高质量的通信服务。
短句来源
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  视频与音频
     Skills of Controlling Video and Audio in Authorware
     Authorware中的视频与音频控制技巧
短句来源
     Multimedia electronic tuner can receive 870MHZ all hyper- band,and outputs video and audio signal directly.
     多媒体电子调谐器可接收870MHZ全增补频道,并直接输出视频与音频信号。
短句来源
     Multimedia Techologies (Series Ⅱ)Video and Audio Compressions
     多媒体技术第二讲视频与音频数据的压缩
短句来源
     Considering the unique structure of news video, this paper presents a semantic scene segmentation model taking advantage of both video and audio information. Using SQL Server2000, a massive capability database is implemented for saving video data with a general news video retrieval system.
     通过对大量新闻视频节目的深入分析,基于新闻视频自身所特有的结构特征,本文提出了一种综合利用视频与音频信息的基于语义的场景分割模型,并且使用SQL Server2000大容量数据库保存视频数据,最终设计并实现了一个通用的新闻视频检索系统。
短句来源
  视音频信息
     Research for Information Service System of Video and Audio Based on Grid
     基于网格的视音频信息服务平台研究
短句来源
     With the development of multimedia technology, the technology of video and audio compression is increasingly perfectly.
     随着多媒体技术发展,视音频信息的压缩技术日趋成熟。
短句来源
     Delivering video and audio signal over Internet can broaden the teaching extensions of modern distance education, accelerate the education to realize digital, informational,networking and lifelong.
     通过Internet传输视音频信息,扩宽了现代远程教育的施教范围,加快了教育的数字化、信息化、网络化、终身化的实现。
短句来源
     It is the core to video and audio transfer for passenger information system in subway. Through the research of MPEG series standards, this paper makes advanced analysis about MPEG-2 package and multiplex and adopts MPEG-2 encoding to transfer video and audio information.
     视音频传输是地铁旅客信息系统的核心部分,本文通过对MPEG系列标准的研究,采用MPEG-2编码方式传输视音频信息,并对MPEG-2的打包与复用作进一步分析。
短句来源
     Through analysis on function and design of passenger information system in subway, this paper studies and realizes real-time transfers of video and audio Information in subway wireless network.
     本文通过对地铁旅客信息系统的功能及设计要求的深入分析,结合无线局域网802.11系列标准,研究并实现了地铁无线网络视音频信息的实时传输。
短句来源
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  video and audio
Real-Time Automated Video and Audio Capture with Multiple Cameras and Microphones
      
Several media, continuous, like video and audio files, and non-continuous, like text pages and images, are delivered separately in a distributed environment like the World Wide Web, and presented to the user in a coordinated way.
      
Multimedia presentations (e.g., lectures, digital libraries) normally include discrete media objects such as text and images along with continuous media objects such as video and audio.
      
A special effort is given to the correct implementation of video and audio synchronization after frame-drop.
      
Scene Determination Based on Video and Audio Features
      
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A brief survey is given to the new advances of MPEG-1 chips for encoding/decoding of multi-media video and audio signals.

本文简要综述用于多媒体视频、音频压缩的MPEG-1编/解码芯片新进展。

Advanced source(video and audio)coding technologies and advanced digital transmission technologies(modulation/demodulation, error-correction coding and adaptive channel equalization)have been adopted in digital television,bringing to the latter many new eminent characteristics,as well as its promising prospects.A new digital television system is emerging, and it would gradually substitute the existing analogue television system, while inheritting the its technologies.

数字电视采用先进的信源(图像和声音)压缩编码技术以及先进的数字传输技术(调制/解调、纠错编码和信道自适应均衡等)。它具有很多新颖的特性,因而将有广泛的应用前景。新的数字电视体系正在诞生;它在继承现有模拟电视技术的基础上,将逐步取代现存的模拟电视体系。

In this paper,the principles and methods of video and audio compressions are introduced. The related international standards are briefly described.

本文介绍了多媒体技术中视频、音频数据压缩的基本原理、方法和有关的国际标准

 
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