Data Broadcasting: Understanding the ATSC Data Broadcast Standard

Name: Data Broadcasting: Understanding the ATSC Data Broadcast Standard
Price: 9.11 USD
Availability: InStock
ISBN: 9780071375900

ISBN-10: 0071375902

ISBN-13: 9780071375900

Edition: 2001

Authors: Richard S. Chernock, Regis J. Crinon, Michael A. Dolan, John R. Mick

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Book details

List price: $65.00
Copyright year: 2001
Publisher: McGraw-Hill Professional Publishing
Publication date: 4/16/2001
Binding: Hardcover
Pages: 621
Size: 7.50" wide x 9.25" long x 1.50" tall
Weight: 2.794
Language: English

Acknowledgments	p. xiii
Introduction to Data Broadcasting	p. 1
The Growing Need for Data	p. 1
Traditional data applications	p. 2
Other data applications	p. 3
Metadata	p. 8
The Analog Transport	p. 10
Enter the Digital Transport	p. 11
Program and System Information	p. 12
Infrastructure for Broadcasting Data and Metadata	p. 13
Overview of This Book	p. 13
References	p. 15
Data Broadcast System Overview and Architectures	p. 17
Introduction	p. 17
The Basic Broadcast System	p. 17
Content generation (authoring)	p. 18
Emission	p. 19
Transmission	p. 23
Reception	p. 24
Data Broadcast Component Details	p. 24
Data server	p. 24
Emission multiplexor	p. 26
Data Broadcast Specific Architectures	p. 26
The traditional data broadcast model	p. 26
The asymmetrical (two-way) network model	p. 28
The content aggregation and distribution model	p. 30
The local data insertion model	p. 31
References	p. 31
MPEG-2 Transport Basics	p. 33
Brief History of MPEG	p. 33
The MPEG-2 Standard	p. 35
Justification and intent of the MPEG-2 standard	p. 35
MPEG-2 standard overview	p. 36
MPEG-2 specification layering	p. 37
The MPEG-2 Program Stream versus the MPEG-2 Transport Stream	p. 39
MPEG-2 Segmentation, Encapsulation, and Packetization	p. 40
The MPEG-2 Network Element Hierarchy	p. 41
The MPEG-2 Network and the MPEG-2 Transport Stream	p. 42
The MPEG-2 Program	p. 42
The MPEG-2 Program Element and the data elementary stream	p. 44
The elementary stream	p. 44
The MPEG-2 Transport Stream	p. 44
The MPEG-2 Transport Stream Packet	p. 45
MPEG-2 Transport Stream packet syntax	p. 46
The MPEG-2 Transport Stream NULL Packet	p. 51
Multiplex Concepts	p. 53
Adaptation_field Details	p. 54
Adaptation_field location and inclusion signaling	p. 54
Adaptation_field syntax	p. 55
Tables and Sections Explained	p. 62
The MPEG-2 Systems' private_section syntax	p. 63
MPEG-2 table_id	p. 68
Section segmentation and encapsulation	p. 69
Section packetization into MPEG-2 Transport Stream packets	p. 70
MPEG-2 Program Specific Information (PSI)	p. 75
The Program Association Table (PAT)	p. 76
Conditional Access Table (CAT)	p. 81
Program Map Table (PMT)	p. 84
MPEG-2 Packetized Elementary Stream (PES) Packets	p. 94
The MPEG-2 PES packet syntax	p. 94
Stream_id	p. 95
MPEG-2 PES packet segmentation, encapsulation, and packetization	p. 104
Stuffing and the MPEG-2 PES packet	p. 104
Descriptor Concepts	p. 104
Descriptor_tags	p. 106
MPEG-2 Digital Storage Media--Command and Control (DSM-CC) Basics	p. 108
The DSM-CC U-N Download Message Format	p. 109
DSM-CC transport requirements	p. 110
The DSMCC_section syntax	p. 110
DSMCC_section segmentation and packetization	p. 113
DSM-CC descriptors	p. 113
Error-Detection Mechanisms (CRCs and Checksums)	p. 114
MPEG-2 private_section CRC_32	p. 115
MPEG-2 PES Packet CRC	p. 115
DSM-CC 32-bit checksum	p. 116
MPEG-2 Stuffing Mechanisms	p. 119
Stuffing using the adaptation_field	p. 119
MPEG-2 Transport Stream packet stuffing for sections	p. 120
MPEG-2 System Timing	p. 122
Timing model	p. 122
System Time Clock (STC)	p. 123
System clock frequency	p. 126
Program Clock Reference (PCR)	p. 126
Presentation Time Stamp (PTS)	p. 127
Decoding Time Stamp (DTS)	p. 127
Discontinuities (program transitions)	p. 128
Buffer Model	p. 129
Considerations for Private Fields and Ranges	p. 129
References	p. 130
Receiver Reference Model	p. 133
Data Broadcast System	p. 133
Data receiver overview	p. 135
Data network	p. 136
Data PSI Decoder	p. 137
Data Stream Decoder	p. 139
Display Model	p. 141
References	p. 142
Data Categorization	p. 143
The Basic Data Models	p. 143
Streams	p. 143
Files	p. 144
Groups of files	p. 144
Network datagrams	p. 144
User-defined data	p. 144
Timing Models (Synchronization)	p. 144
Asynchronous	p. 145
Synchronized	p. 145
Synchronous	p. 146
Mapping Data and Timing Models to ATSC Encapsulations	p. 146
References	p. 149
Announcement	p. 151
Review of Audio/Video Announcements	p. 151
Video/audio event metadata	p. 152
Program element and table organization	p. 153
Data Announcement Facilities	p. 156
Data event table	p. 157
Long term service table	p. 160
Data service descriptor	p. 162
PID Count Descriptor	p. 164
Data Service Announcement Scenarios	p. 164
Standalone data service scenario	p. 165
Related and coincident data service scenario	p. 165
Related and not coincident data service scenario	p. 166
Example	p. 166
Receiver Acquisition	p. 169
References	p. 170
Service Description Framework	p. 171
Purpose	p. 171
Motivations for an application signaling framework	p. 172
Overview	p. 172
Classification of application signaling data	p. 172
Carriage in ATSC transport streams	p. 173
Relationship between application signaling, MPEG-2 PSI, and ATSC PSIP	p. 176
Identification of Broadcast and Interactive Network Resources	p. 183
The Association Tag Descriptor	p. 184
The network resource table	p. 189
Scope of the association tag values in the PMT and the NRT	p. 201
Data Service Discovery: The Data Service Table	p. 202
The concept of application	p. 202
The data service table	p. 204
General Acquisition Model	p. 224
Implementation at the Head-End	p. 226
Provisioning of bandwidth for SDF	p. 226
Versioning	p. 228
Example	p. 229
References	p. 235
DSM-CC Download Protocol Encapsulation	p. 237
Overview of the DSM-CC Download Protocol	p. 237
Control messages	p. 238
Modules	p. 238
Layering	p. 239
Download Scenarios	p. 241
Asynchronous, non-flow controlled download	p. 241
Cyclic: data carousel	p. 242
Synchronized, nonstreaming download	p. 243
Streaming download	p. 244
Encapsulation Details	p. 244
MPEG-2 Transport Stream packet header	p. 244
download_descriptor	p. 246
transactionld	p. 246
downloadServerInitiate	p. 250
downloadInfoIndication message	p. 254
downloadCancel message	p. 260
downloadDataBlock message	p. 263
Descriptors	p. 268
Practical Details	p. 271
Segmentation	p. 272
Packetization	p. 273
Emission	p. 273
Examples	p. 274
Two-layer carousel download scenario	p. 275
Asynchronous download example	p. 288
Synchronized download example	p. 290
References	p. 293
Multiprotocol Encapsulation Using the DSMCC_addressable_section	p. 295
Introduction	p. 295
Network Encapsulation and Fragmentation	p. 296
DSMCC_addressable_section Syntax Development History	p. 298
Overview of the DSMCC_addressable_section Syntax	p. 299
Logical Link Control (LLC) protocol	p. 301
deviceld	p. 303
Scrambling control	p. 304
Maximum transmission unit (MTU)	p. 306
Syntax Definition	p. 306
MPEG-2 Transport Stream header syntax	p. 306
DSMCC_addressable_section Syntax	p. 308
MPEG-2 packetization of the DSMCC_addressable_section	p. 311
Signaling	p. 312
stream_type	p. 312
protocol_encapsulation	p. 312
The multiprotocol_encapsulation_descriptor	p. 313
A DSMCC_addressable_section Example	p. 315
References	p. 317
Asynchronous IP Multicast	p. 319
Scenario Considerations	p. 321
Insertion points	p. 321
Cooperating authors	p. 321
About SDP	p. 322
What is the Network?	p. 323
Organization of the Packet Streams	p. 324
Encapsulation	p. 327
Signaling	p. 330
Multiple taps in a single application of a single virtual channel	p. 331
Multiple IP multicast services on a single virtual channel	p. 334
Multiple IP multicast services on multiple virtual channels	p. 335
Example DST field settings	p. 336
Additional Signaling	p. 337
Signaling related virtual channels	p. 338
Announcement	p. 339
Descriptors	p. 339
Standalone service scenario	p. 340
Related and coincident service scenario	p. 342
Related and noncoincident service scenario	p. 342
Related with multiple noncoincident services scenario	p. 342
Putting It All Together	p. 343
Receiver Discovery Process	p. 345
Example Receiver Program	p. 346
Unresolved Issues	p. 347
References	p. 348
Synchronized Streaming Encapsulation	p. 349
Synchronization	p. 350
Encapsulation Details	p. 354
Comments about important syntax elements	p. 355
Practical Considerations	p. 360
Example	p. 362
References	p. 367
Synchronous Streaming Encapsulation	p. 369
Encapsulation Details	p. 371
Comments about important syntax elements	p. 378
Practical Considerations	p. 379
Example	p. 380
References	p. 385
Synchronized and Synchronous Multiprotocol Encapsulation	p. 387
Background	p. 387
Synchronized Multiprotocol Encapsulation	p. 388
Synchronization	p. 388
Encapsulation details	p. 389
Practical considerations	p. 397
Synchronous Multiprotocol Encapsulation	p. 398
Encapsulation details	p. 399
Practical considerations	p. 408
References	p. 409
The Data Piping Protocol	p. 411
Data Piping Segmentation, Encapsulation, and Packetization	p. 411
Signaling	p. 412
stream_type	p. 412
protocol_encapsulation	p. 413
Data Piping Example	p. 413
References	p. 415
Transport System Target Decoder Buffer Models	p. 417
Purpose	p. 417
Characterization of data elementary streams	p. 418
Constant delay model	p. 419
Buffer model for MPEG-2 system information	p. 421
Signaling of the ATSC Transport Stream Maximum Bit Rate	p. 422
Assumptions	p. 425
Buffer Model for Asynchronous Data Elementary Streams	p. 425
The model	p. 425
Buffer operations	p. 432
Implementation at the head-end	p. 435
Buffer Model for Synchronous Data Elementary Streams	p. 437
The model	p. 437
Buffer operations	p. 439
Implementation at the head-end	p. 442
Buffer Model for Synchronized Data Elementary Streams	p. 443
The model	p. 443
Buffer operations	p. 445
Data service levels	p. 449
Implementation at the head-end	p. 453
Future extensions	p. 454
References	p. 454
SMPTE 325M: Flow Control for Opportunistic Data Broadcast	p. 455
Basic Design Considerations	p. 457
SMPTE 325M Flow-Control Standard	p. 461
Intent of the SMPTE 325M standard	p. 462
Explanation of syntax and semantics	p. 462
Implementation recommendations	p. 465
References	p. 469
Synchronization Issues	p. 471
MPEG Timeline and Synchronization Mechanisms	p. 472
Description of the Tight Synchronization Problem	p. 474
Synchronization Solutions	p. 476
Simple solution	p. 476
Trigger solution	p. 479
Other Issues	p. 481
References	p. 482
Comparison of ATSC to ARIB and DVB	p. 483
ARIB Compared to ATSC	p. 485
Data and timing models	p. 485
Announcement	p. 485
Signaling	p. 485
Encapsulations	p. 485
DVB Compared to ATSC	p. 486
Data and timing models	p. 487
Announcement	p. 487
Signaling	p. 488
Encapsulations	p. 488
References	p. 489
ATSC Conditional Access Basics	p. 491
Conditional Access Essentials	p. 492
High-level end-to-end view of the ATSC conditional access system	p. 493
Terminology	p. 494
Non-enciphered elements	p. 495
MPEG-2 Transport Stream Security Model Overview	p. 496
The key sequence	p. 496
The MPEG-2 Transport Stream contents	p. 497
Entitlement Management Message (EMM) association	p. 497
Entitlement Control Message (ECM) association	p. 498
The MPEG-2 Transport Stream further detailed	p. 499
EMM and ECM delivery rate	p. 501
The ATSC Common Scrambling Standard	p. 501
Recommend Emission Station Architecture	p. 501
Receiver	p. 502
Security module	p. 502
Back channel (return channel)	p. 503
References	p. 503
ATSC Data Broadcast Standard	p. 505
Index	p. 599
Table of Contents provided by Syndetics. All Rights Reserved.