ITU-T-Empfehlungen N-Serie
Die N-Serie beschäftigt sich mit der Wartung internationaler Radioprogramm- und Fernsehübertragungssysteme.
International sound-programme transmission
N.1
Definitions for application to international sound-programme and television-sound transmission
N.2
Different types of sound-programme circuit
N.3
Control circuits
N.4
Definition and duration of the line-up period and the preparatory period
N.5
Sound-programme control, sub-control and send reference stations
N.10
Limits for the lining-up of international sound-programme links and connections
N.11
Essential transmission performance objectives for international sound-programme centres (ISPC)
N.12
Measurements to be made during the line-up period that precedes a sound-programme transmission
N.13
Measurements to be made by the broadcasting organizations during the preparatory period
N.15
Maximum permissible power during an international sound-programme transmission
N.16
Identification signal
N.17
Monitoring the transmission
N.18
Monitoring for charging purposes, releasing
N.21
Limits and procedures for the lining-up of a sound-programme circuit
N.23
Maintenance measurements to be made on international sound-programme circuits
International television transmission
N.51
Definitions for application to international television transmissions
N.52
Multiple destination television transmissions and coordination centres
N.54
Definition and duration of the line-up period and the preparatory period
N.55
Organization, responsibilities and functions of control and sub-control international television centres and control and sub-control stations for international television connections, links, circuits and circuit sections
N.60
Nominal amplitude of video signals at video interconnection points
N.61
Measurements to be made before the line-up period that precedes a television transmission
N.62
Tests to be made during the line-up period that precedes a television transmission
N.63
Test signals to be used by the broadcasting organizations during the preparatory period
N.64
Quality and impairment assessment
N.67
Monitoring television transmissions - Use of the field blanking interval
N.73
Maintenance of permanent international television circuits, links and connections
International videoconference transmission
N.81
[Withdrawn] Definition for application to international videoconference transmissions This subject has only been identified and requires further study
N.86
[Withdrawn] Line-up and service commissioning of international videoconference systems operating at transmission bit rates of 1544 and 2048 kbit/s
N.90
[Withdrawn] Maintenance of international videoconference systems operating at transmission bit rates of 1544 and 2048 kbit/s
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