CONTENTS

Annex B – Service information delivered out of band for digital cable television systems
        B.1     Purpose, scope and organization
                  B.1.1     Purpose
                  B.1.2     Scope
                  B.1.3     Organization
        B.2     References
        B.3     Definitions
                  B.3.1     Compliance notation
                  B.3.2     Definition of terms
                  B.3.3     Section and data structure syntax notation
        B.4     Acronyms and abbreviations
        B.5     Table structure
                  B.5.1     Table ID ranges and values
                  B.5.2     Extensibility
                  B.5.3     Reserved fields
                  B.5.4     Private table section syntax
        B.6     Table section formats
                  B.6.1     Network Information Table
                  B.6.2     Network Text Table
                  B.6.3     Short-form Virtual Channel Table Section
                  B.6.4     System Timetable Section
                  B.6.5     Master Guide Table (MGT)
                  B.6.6     Long-form Virtual Channel Table
                  B.6.7     Rating Region Table (RRT)
                  B.6.8     Aggregate Event Information Tables (AEIT)
                  B.6.9     Aggregate Extended Text Tables (AETT)
        B.7     Descriptors
                  B.7.1     Descriptor usage
                  B.7.2     Stuffing descriptor
                  B.7.3     AC-3 audio descriptor
                  B.7.4     Caption service descriptor
                  B.7.5     Content advisory descriptor
                  B.7.6     Revision detection descriptor
                  B.7.7     Two-Part channel number descriptor
                  B.7.8     Channel properties descriptor
                  B.7.9     Extended channel name descriptor
                 B.7.10     Time-shifted service descriptor
                 B.7.11     Component name descriptor
                 B.7.12     Daylight savings time descriptor
                 B.7.13     User private descriptors
        B.8     Text string coding
                  B.8.1     Multilingual Text String (MTS) Format
                  B.8.2     Multiple String Structure (MSS)
Annex B.A – Operational profiles for cable service information delivery
                  B.A.1     Operational profiles
                  B.A.2     Profile Definition Tables
                  B.A.3     Operational considerations for the use of profiles (Informative)
Annex B.B – Packet rates
                  B.B.1     Maximum cycle times
                  B.B.2     Maximum transmission rates
                  B.B.3     Minimum transmission rates
Annex B.C – Standard Huffman tables for text compression
                  B.C.1     Character set definition
                  B.C.2     Standard compression Type 1 Encode/Decode Tables
                  B.C.3     Standard compression Type 2 Huffman Encode/Decode tables
Appendix B.I – Implementation recommendations
                  B.I.1     Implications for retail digital cable-ready devices
                  B.I.2     Channel number handling
                  B.I.3     Processing of dynamic changes to service information
                  B.I.4     AEITs may include event information for inaccessible channels
                  B.I.5     Splice flag processing
Appendix B.II – Service Information overview and guide
                 B.II.1     Table hierarchy
                 B.II.2     SI_base PID
                 B.II.3     Representation of Time
Appendix B.III – Daylight Savings Time control