Grass Valley K2 Media Client System Guide Oct.10 2006 - Manual (Page 133)

September 7, 2006 K2 Media Client System Guide 133
VBI/Ancillary data specifications
Ancillary data is not supported on SD-only models, except as data bridging when
material is transferred to or from a HD/SD model. Refer to
“Data bridging of native
material on HD/SD models” on page 134 .
VBI data support on HD/SD models
Only Luma VBI/Closed-captioning data is saved/encoded. Chroma VBI/
Closed-captioning data is ignored on playback.
Ancillary data support on HD/SD models
Luma ancillary data packets are stored. Chroma ancillary data packets are not
supported. Both VANC and HANC packets are stored if they are luma packets.
Video format Compressed VBI Uncompressed VBI Closed 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. 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. Teletext not supported
a
a
To pass through PAL MPEG-2 Teletext to playout, record it on VBI line 21, compressed or uncompressed.
—
Video format Data Supported as follows:
HD MPEG-2 Vertical interval
ancillary data packets Extracted at input and stored on an ancillary data track. Upon playout, the data
packets are inserted into the video stream on specified lines. Maximum 8 packets
per field.