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[Withdrawn] Definition for application to international videoconference transmissions This subject has only been identified and requires further study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

0-9|A|B|C|D|E|F|G|H|I|J|K|L|M|N|O|P|Q|R|S|T|U|V|W|X|Y|Z|alle

Suche im Lexikon nach im

 

Fachartikel

End2End-Monitoring mit dem Open Source-Tool Sakuli [25.02.2015]

Das Monitoring kritischer Applikationen setzt auf eine Vielzahl von Checks. Aus deren Summe lässt sich jedoch kein qualifizierter Gesamtstatus ableiten. Hier ist End2End-Monitoring gefragt, etwa mit dem Open Source-Tool Sakuli. Es simuliert Maus- und Tastatureingaben des Anwenders in der Applikation, wertet Inhalte aus, misst Laufzeiten und integriert die Ergebnisse in Nagios. Dabei vereint es die Stärken der Test-Werkzeuge Sahi und Sikuli. Wir beschreiben, wie Sie mit Sakuli funktionelle und inhaltliche Störungen frühzeitig erkennen. [mehr]

Grundlagen

Malware-Schutz aus der Cloud [23.01.2015]

Quasi alle Antimalware-Hersteller setzen zwischenzeitlich auf die Cloud, um aktuelle Daten zur Malware-Verbreitung zu sammeln und zeitnah neue Signaturen auf den Weg zu bringen. Microsoft erfasst nach eigenen Angaben Telemetriedaten von mehr als einer Milliarde Windows-Rechner weltweit. In unserem Grundlagenartikel erläutern wir exemplarisch, wie der hauseigene Cloud-Schutz funktioniert. [mehr]