ITU-T J.91 SPANISH-1994
长距离国际电视传输的保密技术(9号研究组)21pp

Technical Methods for Ensuring Privacy in Long-Distance International Television Transmission - Television and Sound Transmission (Study Group 9) 21 pp

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标准号

ITU-T J.91 SPANISH-1994

发布

1994年

发布单位

国际电信联盟

 

 

引用标准

EN 50094:1992 IS0 7816-1-1987 IS0 7816-2-1988 ISO/IEC 7816-3:1989 ITU-T J.81

适用范围

This ITU-T Recommendation constitutes a common standard for a conditional access system for long distance international transmission of digital television according to Recommendation 5.8 1. It defines the interfaces and equipment needed to operate the conditional access system and specifies a transport protocol of conditional access messages in channel CA1 of Recommendation J.81. Practical implementations are also provided in annexes.

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