M61 广播、电视系统 标准查询与下载

ITU-R BT.1691-2004 电视系统中自适应图像质量控制

that digital TV systems have been developed as a compromise between image quality and compression ratio with consideration of image statistics, human visual perception, methods of image processing, characteristics of transmission and receiving equipment,

Adaptive image quality control in television systems

ITU-R BT.1686-2004 起草新建议ITU-R BT.[Doc. 6/66]－应用于剧院环境的大屏幕数字成像的图像表示参数的测量方法

This Recommendation specifies the correct way for on-screen measurements of the main projection parameters of LSDI applications based on presentation of programmes in a theatrical environment. The Recommendation is based on recent IEC Publications, inte

Methods of measurement of image presentation parameters for large screen digital imagery* programme presentation in a theatrical environment Question ITU-R 15/6

ITU-R BT.1689-2004 按照ITU-R建议BT.601的成像格式提供的大屏幕数字成像环境的节目显示指南

that it is very desirable that large-screen digital imagery (LSDI) presentations should offer the best possible image and sound quality provided by correct use of current technology

Guidelines on the presentation in large-screen digital imagery environments of programmes that are provided in image formats conforming to Recommendation ITU-R BT.601

ITU-R BT.655-7-2004 调幅残余边带陆地电视系统受无用模拟视频信号和相关声音信号干扰的射频保护比

Systems for the emission of digital terrestrial television services are being developed and the associated protection ratios are given in Recommendation ITU-R BT.1368.

Radio-frequency protection ratios for AM vestigial sideband terrestrial television systems interfered with by unwanted analogue vision signals and their associated sound signals

ITU-R REPORT BT.2043-2004 目前世界上使用的模拟电视系统

This Report provides information on analogue television systems currently in use throughout the world.

Analogue television systems currently in use throughout the world

ITU-R RAPPORT BT.2043 FRENCH-2004 目前在世界各地使用的模拟电视系统

Analogue television systems currently in use throughout the world

ITU-R BT.1689 FRENCH-2004 按照ITU-R BT.601推荐性规范中关于大屏幕数字成像环境的节目显示指南中提供的成像格式

The ITU Radiocommunication Assembly, considering that it is very desirable that large-screen digital imagery (LSDI) presentations should offer the best possible image and sound quality provided by correct use of current technology; that Recommendation ITU-R BT.1680 recommends baseband imaging formats for distribution of LSDI applications intended for presentation in a theatrical environment, and that all those image formats have a higher resolution than the 525/625 image formats.

Guidelines on the presentation in large-screen digital imagery environments of programmes that are provided in image formats conforming to Recommendation ITU-R BT.601

ITU-R QUESTION 4-2/6-2004 使用地面信道的数字电视广播的规划参数

The ITU Radiocommunication Assembly considering a) the progress being made in bit rate reduction techniques; b) that the quality achievable with digital emission systems is improving; c) that different countries can use different digital and analogue television systems; d) that certain digital television broadcasting systems have proven the capability to be used for mobile reception; e) that reception of digital television with small hand held TV receivers is feasible.

Planning parameters for digital television broadcasting using terrestrial channels

ETSI TR 101 190-2004 数字视频广播(DVB).DVB陆地业务实施指南.传输方面(版本1.2.1)

Digital Video Broadcasting (DVB); Implementation Guidelines for DVB Terrestrial Services; Transmission Aspects V1.2.1

ETSI EN 300 468-2004 数字视频广播(DVB).数字电视广播系统(DVB)中的业务信息(SI)规范(版本1.6.1)

Digital Video Broadcasting (DVB); Specification for Service Information (SI) in DVB systems V1.6.1

ETSI EN 301 192-2004 数字视频广播(DVB).数字广播的DVB规范(版本1.4.1)

Digital Video Broadcasting (DVB); DVB specification for data broadcasting V1.4.1

ETSI EN 300 744-2004 数字视频广播(DVB).数字地面电视的帧结构,信道编码和调制(版本1.5.1)

Digital Video Broadcasting (DVB); Framing structure, channel coding and modulation for digital terrestrial television V1.5.1

ETSI EN 302 304-2004 数字视频广播(DVB).手持终端的传输系统(DVB-H)(版本1.1.1)

Digital Video Broadcasting (DVB); Transmission System for Handheld Terminals (DVB-H) (V1.1.1)

ETSI TS 102 822-1-2004 广播和在线业务.有关个人存储系统的内容的搜寻,选择和正确使用(“TV-Anytime第1阶段”).第1部分:第1阶段基准特性(版本1.2.1)

Broadcast and On-line Services: Search, select, and rightful use of content on personal storage systems ("TV-Anytime Phase 1"); Part 1: Phase 1 Benchmark Features V1.2.1

GY/T 197-2003 数字卫星新闻采集通用技术规定

Uniform technical specifications for digital satellite news gathering

GY/T 194-2003 有线电视系统光工作站技术要求和测量方法

Specifications and methods of measurement on optical node used in CATV systems

SANS 300429:2003 数字视频广播(DVB)；有线电视系统的帧结构、信道编码及调制

Describes the framing structure, channel coding and modulation for a digital multi-programme television distribution by cable. The aim of this ETS is to present a harmonized transmission standard for cable and satellite, based on the MPEG-2 system layer ISO/IEC DIS 13818-1, with the addition of appropriate forward error correction (FEC) technique.

Digital Video Broadcasting (DVB); Framing structure, channel coding and modulation for cable systems

ETSI TS 101 812-2003 数字视频广播(DVB).多媒体家用平台(MHP)规范1.0.3(版本1.3.1)

Digital Video Broadcasting (DVB); Multimedia Home Platform (MHP) Specification 1.0.3 V1.3.1

ETSI TS 102 812-2003 数字视频广播(DVB).多媒体家庭平台(MHP)规范1.1.1(版本1.2.1)

Digital Video Broadcasting (DVB); Multimedia Home Platform (MHP) Specification 1.1.1 V1.2.1

ETSI EN 300 468-2003 数字视频广播(DVB).数字电视广播系统(DVB)中的业务信息(SI)规范(版本1.5.1)

Digital Video Broadcasting (DVB); Specification for Service Information (SI) in DVB Systems V1.5.1