ANSI SCTE 19:2018 pdf download.Digital Video Subcommittee.
This document is identical to SCTE 19 2013 except for informative components which may have been updated such as the title page, NOTICE text, headers and footers. No normative changes have been made to this document.
This document defines a transmission format for the carriage of isochronous data services compatible with digital multiplex bitstreams constructed in accordance with ISO/IEC 138 18-1 (MPEG-2 Systems). Bit rates for the data services extend from 19.2 kbps to 9.0 Mbps.
2.0 NORMATIVE REFERENCES
2.1 The following documents contain provisions, which, through reference in this text, constitute provisions of the standard. At the time of Subcommittee approval, the editions indicated were valid. All standards are subject to revision; and while parties to any agreement based on this standard are encouraged to investigate the possibility of applying the most recent editions of the documents listed below, they are reminded that newer editions of those documents may not be compatible with the referenced version.
[1] ITU-T Rec. H. 222.0 ISO/IEC 138 18-1:2007, Information Technology—Coding of moving pictures and associated audio Part I: Systems.
4.0 ACRONYMS AND ABBREVIATIONS
The following acronyms and abbreviations are used in ANSI SCTE 19.
bps bits per Second
bslbf bit sequence, leftmost bit first
CRC Cyclic Redundancy Check
DDS Direct Digital Synthesis
Hz Hertz
ISO International Standards Organization
k kilo
M Mega
MPEG Moving Picture Experts Group
PCR Program Clock Reference
PES Packetized Elementary Stream
PID Packet Identifier ppm parts per million
PTS Presentation Time Stamp
rpchof remainder polynomial coefficients, highest order first
SI System Information
uimsbf unsigned integer, most significant bit first
5.0 ISOCHRONOUS DATA SERVICE SPECIFICATION
5.1 Isochronous Data Rate Specification
Isochronous data services support rates ranging from 19.2 kbps to 9.0 Mbps. Since the syntax is biased towards a Direct Digital Synthesis (DDS) implementation, jitter is better than T1specifications at rates below 2 Mbps.
5.2 Syntax Conventions and Definitions
5.2.1 Methods of Describing Bitstream Syntax
The method of describing isochronous data bitstream syntax is the same as that used in IEC/ISO 138 18-1. [1] The bitstream retrieved by the decoder is specified by the syntax definitions given in Section 5.3 of ANSI SCTE 19.
As exemplified in Table 1, each data item in the bitstream appears in bold type.ANSI SCTE 19 pdf download.