- Source: CCIR System L
CCIR System L is an analog broadcast television system used in France, Luxembourg, Monaco and Chausey. It was the last system to use positive video modulation and AM sound.
Initially adopted in the 1970s and associated with the SECAM color system (SECAM-L), it was discontinued in 2011, when France transitioned to Digital Video Broadcasting.
Specifications
The main System L specifications are listed below.
Frame rate: 25 Hz
Interlace: 2/1
Field rate: 50 Hz
Lines/frame: 625
Line rate: 15.625 kHz
Visual bandwidth: 6 MHz
Vision modulation: Positive
Preemphasis: 50 μs
Sound modulation: AM
Sound offset: -6.5 MHz
Channel bandwidth: 8 MHz
Television channels were arranged as follows:
See also
Broadcast television systems
Television transmitter
Transposer
Notes and references
External links
ITU, Characteristics of television systems
World Analogue Television Standards and Waveforms
Fernsehnormen aller Staaten und Gebiete der Welt
Kata Kunci Pencarian:
- Global Maritime Distress and Safety System
- Frekuensi sangat tinggi
- CCIR System L
- CCIR System B
- CCIR System C
- CCIR System N
- CCIR System E
- CCIR System K
- CCIR System M
- CCIR System G
- CCIR System A
- CCIR System D
