PID: Difference between revisions
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The PID is a 13-bit number that is used by the [[MPEG-2 Multiplexer]] or [[MPEG-2 Demultiplexer]] to identify the Elementary Stream to which this TS Packet belongs. A [[MPEG-2 Transport Stream]] can thus contain up to 2^13 = 8192 multiplexed [[Elementary Stream|Elementary Streams]]. |
The PID is a 13-bit number that is used by the [[MPEG-2 Multiplexer]] or [[MPEG-2 Demultiplexer]] to identify the Elementary Stream to which this TS Packet belongs. A [[MPEG-2 Transport Stream]] can thus contain up to 2^13 = 8192 multiplexed [[Elementary Stream|Elementary Streams]]. |
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Some PIDs are defined by the [[MPEG-2 Standard]] and the [[DVB |
Some PIDs are defined by the [[MPEG-2 Standard]] and the [[DVB Standards]] to be used for reserved purposes: |
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Latest revision as of 03:46, 16 January 2008
Packet Identifier of a MPEG-2 Transport Stream packet.
The PID is a 13-bit number that is used by the MPEG-2 Multiplexer or MPEG-2 Demultiplexer to identify the Elementary Stream to which this TS Packet belongs. A MPEG-2 Transport Stream can thus contain up to 2^13 = 8192 multiplexed Elementary Streams.
Some PIDs are defined by the MPEG-2 Standard and the DVB Standards to be used for reserved purposes:
PID (hex) | Purpose |
---|---|
0x00 | PAT - Program Association Table |
0x01 | CAT - Conditional Access Table |
0x10 | NIT - Network Information Table |
0x11 | SDT - Service Description Table |
0x12 | EIT - Event Information Table |
0x13 | RST - Running Status Table |
0x14 | TDT - Time and Date Table |