ITU-T J.15-1988
数字多节目电视、声音和数据业务通过多路多点分配系统(MMDS)传送的操作功能

Lining - up and Monitoring an International Sound - Programme Connection


 

 

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标准号
ITU-T J.15-1988
发布
1988年
发布单位
国际电信联盟
 
 
适用范围
This test signal is based on the test signal definitions given in CCIR Recommendation 645 and specifies a test signal which should be used on sound-programme circuits generally. A common alignment procedure for peak programme meters and VU-meters using the three-level test signal can be found in Annex I of CCIR Recommendation 645. From this information it can be seen what indicators will be produced by the three-level test signal on the different types of peak programme meters and volume meters.

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