The CCIR, CONSIDERING that many impairments in international programme exchange on sound-programme connections are attributed to different national test signal definitions; that some existing definitions are found in different Recommendations of the CCI?T and the CCIR; that for clarification, a list of those definitions should be available.
ITU-T J.26 FRENCH-1990 history
1990ITU-T J.26 FRENCH-1990 TEST SIGNALS TO BE USED ON INTERNATIONAL SOUND-PROGRAMME CONNECTIONS