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Prioritization and transport in the ADTV digital simulcast system
1992 / IEEE
This item was taken from the IEEE Periodical ' Prioritization and transport in the ADTV digital simulcast system ' A technical overview of the prioritization and transport in the advanced digital television system (ADTV) is provided. ADTV incorporates an efficient MPEG-compatible compression algorithm at its central core, with application-specific data prioritization and transport features added as separable layers. The compression process is based on a 1440*960 HDTV format, producing a selectable bit-rate in the region of 15-20 Mb/s. The data prioritization layer of ADTV achieves robust delivery over an appropriate two-tier modem by separating compressed video data into high- and standard-priority bit-streams with appropriate bit-rates. These prioritized data are then formatted into fixed-length cells with appropriate data-link-level and service-specific adaptation-level headers.<
Data Link Level Headers
Adtv Digital Simulcast System
Mpeg-compatible Compression Algorithm
Compressed Video Data
Cities And Towns
15 To 20 Mbit/s
High Definition Television
Digital Communication Systems
Components, Circuits, Devices And Systems
Power, Energy And Industry Applications
Advanced Digital Television System