ITU-T-Empfehlungen N-Serie

Das ist der Eintrag dazu aus unserem IT-Kommunikationslexikon:


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[Withdrawn] Definition for application to international videoconference transmissions This subject has only been identified and requires further study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

Aktuelle Beiträge

BlueMind 5.7 erneuert Monitoring und Server-Stack

BlueMind hat seine gleichnamige Open-Source-Mail- und Collaboration-Plattform mit Version 5.7 technisch überarbeitet. Administratoren erhalten mit "Supervision" eine neue Monitoring-Anwendung auf Basis von Grafana, Alloy und Mimir. Zudem ersetzt Valkey künftig KeyDB. Weitere Neuerungen betreffen die LLM-Anbindung, Videokonferenzen und die Outlook-Integration.

EDR und XDR: Was MITRE-ATT&CK-Tests wirklich aussagen

EDR- und XDR-Produkte werden häufig mit hohen Erkennungsraten aus MITRE-ATT&CK-Evaluierungen beworben. Doch die Tests liefern keine Noten oder Ranglisten, sondern dokumentieren, wie Produkte einzelne Angriffsschritte erkennen. Für die Auswahl zählt deshalb, wie die Ergebnisse zustande kommen, welche Rolle Nachjustierungen und Fehlalarme spielen und wo ihre Aussagekraft im Betrieb endet.