SDI7 Dual Channel SD/HD/3G SDI Video Generator module
SDI7 module
ANC PAYLOAD submenu
The ancillary d
ata payload can carry non-vide o information, such as an Active
Format Description (AFD), Closed Caption information, or other metadata.
NOTE. The ancillary inserter can place the data packet anywhere in the field
and can overwrite any of the a ncillary or video data with a few exceptions; the
inserter will not overwrite embedded audio or CRC. Use care to not overwrite
important information.
Use this me
nu to set the ancillary data payload structure. The ancillary data
payload can include information to supplement the video stream, including the
Data Identifier (DID), Secondary Data Identifier (SDID), Data Count (DC), User
DataWords(UDW),andaChecksum(CS).
TheDataIdentifier (DID) and Secondary Data Identifier (SDID) indicate the
type of data contained in the packet.
The Data Count indicates the number of User Data Words to follow, and the User
Data Words (UDW) comprise the actual payload carried in the ancillary data. The
SDI7 module addresses User Data Words 000 through 254.
TG8000 Multiformat Test Signal Generator User Manual 3–325
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