SMPTE RP 207-2005

SMPTE 334M defines a mapping of data in vertical ancillary data packets. In particular, it refers to a packet named program description which is identified by the following combination of data identifier (DID) and secondary data identifier (SDID): DID = 162h SDID = 101h This packet carries data which define characteristics of the video and audio program material. It can be used by station equipment, for example, in producing PSIP (program and system information protocol) data in accordance with ATSC A/65. This practice recommends a format for the program description packet.