EXFO EXpert IPTV Test Tools (FTB-1 / 2 Pro) User Manual
Page 68

68
•
PES header contain information about the contents of the PES packet.
•
Variable length packets typically up to 64 Kbyte but may be longer
•
PTS and DTS allow a decoder to reconstruct the video from I, Band P frames sent by
encoder.
•
If header information is corrupted, entire PES packet will be lost.
•
Fixed Length packets, multiplexes many PES packets.
•
Program Identifier (PID) contains information to find, identify and reconstruct
program contents
•
Continuity Counter (CC) – 4 bit counter to detect loss or out of sequence packets
•
Program Clock Reference (PCR) – clock reference to time sync the video and audio
•
Sync byte set the start of a TS packet and allows synchronization
•
Transport Error Indicator indicates a TS packet error