Grass Valley K2 Media Client User Manual v3.3 - Manual (Page 275)

June 5, 2009 K2 Media Client User Manual 275
VBI/Ancillary/data track specifications
Data bridging of VBI information on K2 Media Client HD-00 models
Data is bridged as follows:
Source
format Source
data Conversion Converted
format Converted
data
SD
525 line Closed-captioning (CC) on
line 21 (EIA-608) can be
stored as UserData CC
packets
a
or UserData VBI
Line21 (Uncompressed VBI
Line21)
a
UserData CC packets always on. If CC exists, it is recorded and played back.
Up-convert HD Ancillary Closed Caption EIA-708-B packets
EIA-708 Up-convert HD EIA-708
SD
625 line Teletext (except as below) No up-conversion to HD
5 lines of VBI Teletext in
OP-47 packets Up-convert HD OP-47 ancillary data packet in SD data track
file. SD Teletext is in ancillary data location as
specified in OP-47 packet.
SD
625 line
525 line Ancillary data Up-convert HD Moved to valid lines
HD EIA-708 & 608 Ancillary
data packets Down-convert SD Closed-captioning on line 21 (EIA-608
standard).
HD Teletext as OP-47 packets Down-convert SD Output as VBI waveforms on lines specified in
OP-47 packet.
HD
1080i Ancillary data Cross-convert HD
720p Moved to valid lines.
HD
720p Ancillary data Cross-convert HD
1080i Moved to valid lines. Any data on lines 21-25
is moved to line 20 on 1080i output.