Grass Valley K2 Media Client System Guide v.3.3 - Manual (Page 208)

208 K2 Media Client System Guide June 9, 2009
Appendix B Specifications
VBI/Ancillary/data track specifications
This section contains the following topics:
• “Definitions”
• “Data track support on K2 Summit Production Client HD channels”
• “Subtitling system support”
• “Data compatibility between K2 Summit Production Client and PVS models”
Definitions
Terms in this section are defined as follows:
Ancillary data Ancillary data (ANC data) as specified in this section is primarily a
means by which timecode, Closed Captioning, and Teletext
information is embedded within the serial digital interface. Other
Type 2 ancillary data packets are stored and played back without
modification. Ancillary data is standardized by SMPTE 291M.
Closed Captioning (CC) Line 21 NTSC Closed Captioning as defined in EIA-608 and used
as a subset of EIA-708. EIA-708 has been updated and renamed to
CEA-708. Includes other Line 21 services such as V-Chip.
Teletext (TT) Teletext System B subtitles as defined ETSI EN 300 706 and other
documents. The Australian standard for digital TV is Free TV
Operational Practice OP-47. It has been ratified as SMPTE RDD 8.
Captioning Denotes both NTSC Closed Captioning and Teletext subtitling.