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

Page 68

Advertising
background image

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

Advertising