ITU-R F.275-3-1982 (WITHDRAWN) Pre-Emphasis Characteristic for Frequency Modulation Radio-Relay Systems for Telephony Using Frequency-Division Multiplex - Section 9C - Interconnection Characteristics (Baseband and Intermediate Frequency)
that the pre-emphasis characteristic should preferably be such that the effective (r.m.s.) deviation due to the frequency-division multiplex telephony signal is the same with and without pre-emphasis (Recommendation 404
ITU-R F.275-3-1982 history
1982ITU-R F.275-3-1982 (WITHDRAWN) Pre-Emphasis Characteristic for Frequency Modulation Radio-Relay Systems for Telephony Using Frequency-Division Multiplex - Section 9C - Interconnection Characteristics (Baseband and Intermediate Frequency)