CONTENTS

Policy on Intellectual Property Right (IPR)
Annex 1  Ancillary data signal format
 1     General description of the ancillary data signal format
 2     Legacy 8-bit considerations
 3     Ancillary data packet format
        3.1     Ancillary data packet types
                  3.1.1     Type 1 ancillary data packets
                  3.1.2     Type 2 ancillary data packets
        3.2     Ancillary data flag
        3.3     Data identification word
                  3.3.1     Reserved data identification words
        3.4     Secondary data identification word (Type 2 data only)
        3.5     Data block number (Type 1 data only)
        3.6     Data count
        3.7     User data words
        3.8     Checksum word
 4     Protocol for the use of ancillary data space
Attachment 1  to Annex 1  Eight- and ten-bit considerations (Informative)
 1     Introduction
 2     Eight-bit compatibility
        2.1     Data identification
        2.2     Data count
        2.3     User data words
        2.4     Checksum
Attachment 2 (Informative)  to Annex 1  Internationally registered ancillary data identification
Attachment 3 (Normative)  to Annex 1   A protocol for the use of ancillary data space
 1     General
 2     Protocol for the insertion of an ancillary data packet
        2.1     Determination of space available for insertion of ancillary data packet
 3     Protocol for the deletion of an ancillary data packet
Attachment 4  to Annex 1 (Normative)  Assigned ancillary ID codes for ancillary packets with payload formats  defined in ITU-R Recommendations
Attachment 5  to Annex 1  Assigned ancillary ID codes for ancillary packets with payload formats defined as part of the DID/SDID registration process