Example: MPEG Packetized Elementary Stream (PES) - VPS

VPS data (Video Programming System):

[...]
            data_unit_id: 195 (0xc3)  [= VPS (Video Programming System)]
            data_unit_length: 44 (0x2c)
            VPS (Video Programming System) data:
               reserved: 3 (0x03)
               field_parity: 1 (0x01)
               line_offset: 16 (0x10)
               VPS data:
                  (not relevant to PDC): 41050 (0xa05a)
                  PCS audio: 2 (0x02)  [= stereo]
                  PCS reserved: 1 (0x01)
                  CNI reserved: 0 (0x00)  [= Enhanced VPS]
                  (not relevant to PDC): 0 (0x000000)
                  (not relevant to PDC): 0 (0x0000)
                  NPP_1: 3 (0x03)
                  Program Identificaion Label (PIL): 892318 (0x0d9d9e)  [= month=3  day=27   hour=22  min=30]
                  Country: 13 (0x0d)  [= DE]
                  NPP_2: 2 (0x02)
                    ==> Network/Program Provider (NPP): 194 (0xc2)  [= see: ETSI TR 101 231]
                  Program Type (PTY): 255 (0xff)  [= PTY not used]
            stuffing bytes:
                 0000:  ff ff ff ff ff ff ff ff  ff ff ff ff ff ff ff ff   ................
                 0010:  ff ff ff ff ff ff ff ff  ff ff ff ff ff ff         ..............

[...]


http://dvbsnoop.sourceforge.net/