Vbi Specifications In Composite Video - Cisco D9040 User And Service Manual

VBI Specifications in Composite Video,

DVB Compliant Transparent VBI
Lines in 625/50
Lines in 525/60
Number of lines
Signal type
Transferred samples
Quality
Dynamic range
Output format
4020024 Rev C
Item
Technical Specifications
Continued
Specification
7 to 23, 319 to 335
10 to 22 field 1 and 10 to 22 field 2 (273 to
284)
≤ 2 VBI lines per field are transferred
transparently if no other DVB VBI is
present.
≤ 1 VBI line per field is transferred
transparently if any other DVB VBI is
present.
Sampled signal, 13.5 MHz
Synchronization pulse and burst are
regenerated in the output.
All luminance samples. Chrominance
samples are not transferred.
The transparent lines must have a signal
quality identical to ordinary video
-50 to 750 mV relative to clamp
According to EN 301 775 V1.1.1.
A-7