ITU-T J.18-1989 Crosstalk in Sound-Programme Circuits Set up on Carrier Systems - Line Transmission of Non-Telephone Signals - Transmission of Sound-Programme and Television Signals (Study Group XV) 3 pp
The formula given above defines only the “insertion-loss/frequency” characteristic. The level at which the modulated programme signal is different for the various types of sound-programme equipments and it
depends on the modulation method and the type of
ITU-T J.18-1989 history
1989ITU-T J.18-1989 Crosstalk in Sound-Programme Circuits Set up on Carrier Systems - Line Transmission of Non-Telephone Signals - Transmission of Sound-Programme and Television Signals (Study Group XV) 3 pp