To introduce a newly automatic system of switch and broadcast the broadcast channel system of teletext .

介绍基于自动切换播出的 正 程 电视 图文 信息频道播出系统。

And the dissertation also discussed the development status of DVB teletext . 3 .

分析了 图文 电视 的 原理及发展现状。

It discusses the technics of facsimile coding the data syntax for Videotex and Teletext and the aspects of other still picture communications .

讨论了传真编码技术，Videotex和 Teletext的编码结构及其他静止图象通信的 现状。

Teletext broadcasting now begins its practical application in China .

我国的 图文 电视广播已经开始实际应用。

Design of Chinese Character Display System in Teletext Using FPGA

用FPGA实现 图文 电视中汉字显示系统

The Teletext Receiving System Composed of a single chip IC 5246

单片集成块5246组成的 图文 电视接收系统

In this paper a conception for teletext transmission using Subsidiang Communi-cation Authorization ( SCA ) channel of FM broadcasting is investigated .

文章提出了一种利用调频广播的SCA信道进行 图文 信息传输的基本构思。

You can switch your TV set to teletext whenever you wish to know about the weather what 's on at the cinemas and other items of general interest .

每当你想了解天气情况，影院上映的影片以及人们一般感兴趣的其他内容时，你可以把电视机的开关拨到“ 电视 传真 文字”上。

This paper gives a brief introduction about image encoding and decoding principles based on wavelet transform theory together with the emphasis on its application in teletext video decoding . At the same time emulation on MATLAB is carried out to appreciate the art of wavelet transform .

简单介绍了基于小波变换的图像编解码原理，重点描述了小波变换在 图文 电视视频解码中的应用，给出了解码中的小波变换部分的MATLAB仿真。

In this paper a method for data protecting of the rigid timing framwork teletext system is presented and the visualizing scheme for realizing it is given .

本文提出了一种用于固定格式 图文 电视系统的数据保护方法，并给出了具体实现流程。

Basic technical parameter and methods of measurement of teletext channel

GB/T15771-1995 图文 电视通道基本技术参数及测试方法

His paper introduces the advanced multimedia technology the advancing teletext technology and their application and research in TV conference system .

本文简要介绍了多媒体技术和 图文 电视技术及其在电视会议系统中的应用，并简介了由四川鼎天 微 电 有限 公司研制的多媒体 图文电视会议系统。

The Development and Theory of Teletext System

图文 电视系统的发展及原理

This paper describes the teletext receiver developed in accordance with the Chinese Broadcast Teletext Specification ( WG & 84 ) the processing method of the multiplex data and the main program block diagram .

本文给出了一种按我国电视文字广播 试验规范（ WG&84）研制的接收机的 构成、多工信号处理方法及主要程序流程。

Support multi-lingual DVB subtitle and teletext ;

支援多语言的DVB字幕和 电传 视讯；

Time signal in radio broadcasting teletext source

GB/T4961-1985 广播 报时信号 电视 文字广播信号源

Then this paper introduces detail the design and implementation of the various modules of this system including separation of Teletext information and closed captioning video signal output and user interface and control interfaces .

然后，详细地介绍了本系统的各个模块设计与实现，包括 图文 电视信息和隐藏字幕的解析、视频信号的输出以及界面和控制接口。

Computing and Adjusting of the Three Angles of Satellite Digital TV and Teletext TV Program

卫星 地面 站 接收 线 极化数字、 图文卫星电视节目三个角度的计算与调整

The digital services also will be interactive allowing participation in polls and quiz shows improved versions of Teletext and a choice of camera angles on some coverage .

数字服务也可以是交互式的，允许民意测验和智力竞赛的节目， 文字 电视 广播改良后的译本和照相视角的选择。

A simple design is employed to achieve the video-on-demand of the teletext as the precursor of the interactive TV .

利用 电视 逆 程作为交互电视的先导，采用了一种简单的设计方案，满足了 图文 电视节目的视频点播。

In this paper an error-control scheme & RS Code scheme suitable for coded transmission teletext of China is presented .

提出了一种适合我国电视 制式的代码方式 图文 电视 广播差错控制码方案&RS码方案。该码具有较强的纠错能力和较高的编码效率。

Since information is continuously sent into the system as it becomes available Teletext is always kept up-to-data .

新获得的资料不断地输入，所以 电视 传真 文字系统总是保持最新水平。

Design and Realization of the broadcast channel system of teletext in television

电视 图文 信息频道播出系统的设计与实现

Am Experimental Approach to Error Control System for Coded Transmission Teletext

代码方式 文字 广播差错控制系统的实验研究

To switch viewing modes for teletext click mix on the toolbar to change the way TV and teletext are displayed .

若要切换 teletext的查看模式，请单击工具栏上的“混合”，以更改电视和teletext的显示方式。

The key technique and application of teletext

图文 电视 系统的关键技术和业务应用

Teletext broadcasting and receiving techniques

图文 电视广播与接收技术

The paper gives an overview of basic conception of teletext and describes the basic idea of the design and the implementation of the two FPGA modules in details .

本文简要介绍了 图文 电视的基本概念，详细描述了设计的基本思想和两个FPGA功能模块的具体实现。

Chinese character system teletext broadcasting specification

GB/T14219-1993 中文 图文 电视广播规范