ITU-R BS.645-2-1992 Test Signals and Metering to Be Used on International Sound Programme Connections - Section 10C - Audio-Frequency Characteristics of Sound-Broadcasting Signals
Annex 1 describes the response of peak programme and vu meters to these test signals.
ITU-R BS.645-2-1992 history
1992ITU-R BS.645-2-1992 Test Signals and Metering to Be Used on International Sound Programme Connections - Section 10C - Audio-Frequency Characteristics of Sound-Broadcasting Signals