The Recommendation considering: a) that many impairments in international programme exchange on sound-programme connections are attributed to different national test signal definitions and methods of metering; b) that some existing definitions are found in different Recommendations of the CCITT and the CCIR; c) that for clarification, a list of those definitions should be available.
ITU-R BS.645-2 FRENCH-1992 Referenced Document
ITU-T J.14 Relative Levels and Impedances on an International Sound-Programme Connection - Line Transmission of Non-Telephone Signals - Transmission of Sound-Programme and Television Signals (Study Group XV) 2 pp
ITU-T N.15 MAXIMUM PERMISSIBLE POWER DURING AN INTERNATIONAL SOUND-PROGRAMME TRANSMISSION
ITU-R BS.645-2 FRENCH-1992 history
1992ITU-R BS.645-2 SPANISH-1992 TEST SIGNALS AND METERING TO BE USED ON INTERNATIONAL SOUND PROGRAMME CONNECTIONS