Grass Valley K2 Media Client User Manual v3.3 - Manual (Page 273)

June 5, 2009 K2 Media Client User Manual 273
VBI/Ancillary/data track specifications
VBI data support for SD channels configured on K2 Media Client HD-00 models
The following table applies when in Configuration Manager, the Data Track settings
are configured as:
• Record ancillary data: No
Or as:
• Record ancillary data: Yes
• Record Uncompressed VBI and captioning data to track: No
Use these Data Track settings to retain compatibility with legacy systems, such as the
Profile XP Media Platform.
Data track support on K2 Media Client SD channels
The following table applies to SD channels on both SD-00 models and HD-00 models,
when in Configuration Manager the Data Track settings are configured as follows:
• Record ancillary data: Yes
• Record Uncompressed VBI and captioning data to track: Yes
Data track is not supported for record or playout on SDA-00 models.
Video format Compressed VBI Uncompressed VBI Captioning Comments
SD
MPEG-2
525 line
(NTSC) Supported for
record. Not
supported for
playback. Supported as six selectable lines
per field. Range: 10–22
Selected lines are saved in
MPEG user data space and
restored on playout. CC supported and
always on. Not
selectable. —
SD
MPEG-2
625 line
(PAL) Supported for
record. Not
supported for
playback. Supported as six selectable lines
per field. Range: 6–22
Selected lines are saved in
MPEG user data space and
restored on playout. TT not supported —
Video format Data Supported as follows:
525 line (NTSC) Closed Captioning Stored in EIA-708 packets. On playback, modulate to VBI line 21.
625 line (PAL) Teletext Stored in OP-47 packets. On playback, modulate to VBI line specified in
OP-47 packet.
All supported SD
formats Uncompressed VBI Selectable per line. Limited to 5 lines. The 5 line limit does not include any
lines used for CC or TT. Can select either Luma or Chroma for each line, but
not both.
Ancillary timecode Ancillary timecode is preserved only. No timecode track is constructed from
ancillary timecode data. The timecode track is not inserted as ancillary
timecode on playout.