ITU-R S.464-2 FRENCH-1992 Pre-emphasis characteristics for frequency-modulation systems for frequency-division multiplex telephony in the fixed-satellite service
The Recommendation considering that the pre-emphasis characteristic should preferably be such that the r.m.s. deviation due to the frequency division multiplex telephony signal is the same with and without pre-emphasis.
ITU-R S.464-2 FRENCH-1992 history
1992ITU-R S.464-2 FRENCH-1992 Pre-emphasis characteristics for frequency-modulation systems for frequency-division multiplex telephony in the fixed-satellite service