The ITU Telecommunication Standardization Sector (ITU-T) is a permanent organ of the International Telecommunication
Union. The ITU-T is responsible for studying technical, operating and tariff questions and issuing
Recommendations on them with a view t
ITU-T J.100-1990 history
1990ITU-T J.100-1990 TOLERANCES FOR TRANSMISSION TIME DIFFERENCES BETWEEN THE VISION AND SOUND COMPONENTS OF A TELEVISION SIGNAL Study Group 9