DE285 HD Caption Decoder/VANC Monitor
Appendix D
Binary ANC Dump Data Format
To view the ANC capture that you have saved to your USB stick, first
open the file in a hex editor and then view the data format chart below.
Description
Size
DID
1 byte
SDID
1 byte
Data Count
1 byte
Data
specified by Data Count
Checksum
1 byte
Frame Number
1 byte
ANC Line Number
2 bytes
The ANC Line Number is little endian. If the most significant bit is set,
the packet came from HANC; if not it came from VANC.
The Frame Number is a 1 byte counter generated internally to the DE285
that will allow you to determine frame barriers or gaps when looking at
series of packets.
Copyright ©2009-2011 EEG Enterprises, Inc.
All rights reserved.
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