ITU-T REC. 1 – Definitions for application to international sound-programme transmissions
1 international sound-programme transmission
2 broadcasting organization
3 broadcasting organization (send)
4 broadcasting organization (receive)
5 international sound-programme centre (ISPC)
6 national sound-programme centre (NSPC)
7 sound-programme circuit section
8 international multiple destination sound-programme circuit section
9 international sound-programme circuit
10 international multiple destination sound-programme circuit
11 international sound-programme link
12 international multiple destination sound-programme link
13 international sound-programme connection
14 international multiple destination sound-programme connection
15 send reference station
16 effectively transmitted signals in sound-programme transmission
17 types of sound-programme circuit
ANNEX A – Level and loss units used for sound-programme ...
A.1 Use of dB units in N Recommendations
A.2 Units used
A.2.1 absolute power level (dBm)
A.2.2 relative level (dBr)
A.2.3 absolute zero power level (dBm0) (load level)
A.2.4 Relation between quantities and units
A.2.5 Weighted level
A.2.6 Extra indications
A.3 Various measuring instruments
A.4 Practical problems
References