A Program Map Table describes every single program (PMT), which has a unique PID, Program Specific Information(PSI) - There are 4 PSI tables: Program Association (PAT), Program Map (PMT), Conditional Access (CAT), and Network Information (NIT), PAT - PAT stands for Program Association Table. Various elements make up a transport stream - namely Packet - A packet is a basic unit of data in a transport stream, PID - Each table or elementary stream in a transport stream is identified by a 13-bit packet ID (PID), Programs - Transport stream has a concept of programs. Transport stream (TS) is specified in MPEG-2, and it is a standard format for transmission and storage of audio, video, and data and is used in broadcast systems such as DVB and ATSC. A separate hint track is used to include streaming information in the file.
Most kinds of data can be embedded in MPEG-4 Part 14 files through private streams.
In addition, the transport stream (TS) can handle error correction and stream synchronization issues much better than other formats when the signal gets degraded. ts file format is used to broadcast high-definition TV (HDTV) - it is specifically designed for less reliable transmission, and broadcast fits well. Like most modern container formats, it allows streaming over the Internet.
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MPEG-4 Part 14 or MP4 is a digital multimedia format most commonly used to store video and audio and store other data such as subtitles and still images. International Organization for Standardization