Overview of Standards and Technical Reports

Overview of ARIB Standards (STD-B24)

1. Overview

STD Number ARIB STD-B24
Standard Name Data Coding and Transmission Specification for Digital Broadcasting
Enactment Date 10.26.1999
General Description

This standard specifies the provision for mono-media coding system, multimedia encoding method and data transmission method for data broadcasting of digital broadcasting.

Specified multimedia encoding method in this standard, in the former Ministry of Posts and Telecommunications Technology Council digital broadcasting system Committee Report of 21 July,1999, it was formulated by receiving the guidelines of "It is desirable to be standardized to flexible in the private standardization organization, for multimedia encoding method, based on a system of a XML base, for detail information".


 Keywords

Keyword Description
XML

Abbreviation of eXtensible Markup language.

XML refers to the general syntax of the tag definition language that went (DTD) and the meaning of the tag (this is called XML application language).

XML is full of a description and flexibility than HTML used in the Internet widely.

BML

Abbreviation of Broadcast Markup Language

XML expansion language for broadcasting.

Based on the part of the XHTML1.0 and CSS1 and CSS2, which is defined by the W3C, adopted ECMAScript as a procedure description language, and language system that extends the functions necessary for broadcasting services.

B-XML

Abbreviation of Broadcast XML

XML tags to be defined for each application is defined by the DTD for each respective application, converted the tag of BML by XSLT upon presentation to the terminal.

XHTML

Abbreviation of eXtensible HTML

HTML standard of the next generation to adapt XML grammars to HTML4.0.

CSS

Abbreviation of Cascading Style Sheets

Style sheet standards for HTML document.

The presentation style of the document (for example, type of layout and text color) can be easily processed.

ECMAScript

Programming language defined by the ECMA-262 standard of the European Computer Manufacturers Association.

Adopted as a procedure description language for the control of the content.

DTD

Abbreviation of Document Type Definition

Definition of the structure of the document.

XSL

Abbreviation of eXtensible Stylesheet Language

Style sheet language that defines the display method of the XML document.

Data carousel transmission method For the purpose of downloading various data by the broadcasting, defined method in ISO / IEC 13818-6 for repeatedly distributing the data.
Reference model In this standard, in the provisions of the transmission system and data broadcasting encoding method, with respect to system, protocol, receiver, presentation process, to refer model as standard.

2. Amendment History

Ver. Amendment or Enactment Date Amendment summary
6.4 07.27.2017  

In the character encoding method defined in Part 2 of Volume 1, the exemple character form, and the code values of the International Coded Character Set (UCS) have been corrected.

6.3 07.06.2016  

Revision of the Volume 1 is the correction of the clerical error of the provisions of the character encoding scheme that is defined in Part 2. The part of the Chinese characters that are defined in the JIS X0213:2004, in the Universal Multiple‐Octet Coded Character Set(UCS) is Assigned to the area of 2 or more bytes of code values. In STD-B24, In order to use these characters to a receiver that can not only handle the sign value of 2 bytes or less, although The re-allocation to the private area of the code values are specified in Table 7-21, due to an error in the code values of two letters in the table 7-21 is intended to correct the mistakes.

Revision of the Volume 2, in multimedia coding system of XML-based, Envisaged by the start of advanced broadband satellite digital broadcasting, in order to allow the media across services of Terrestrial digital broadcasting, BS digital broadcasting, and broadband CS digital broadcasting, and the advanced broadband satellite digital broadcasting, perform additional function for common use (Correspondence determination to advanced broadband satellite digital broadcasting, the channel selection to advanced broadband satellite digital broadcasting service, viewing / recording reservation) of the advanced broadband satellite digital broadcasting.

UCS:Universal Coded Character Set

XML:eXtensible Markup Language

6.2 12.03.2015

In Volume 1 Part 2 the character encoding scheme defined, change of the reference standard due to be ISO / IEC standard of Universal Multiple‐Octet Coded Character Set(UCS) has been revised and revised to be consistent with the revised additional Chinese characters and symbols ISO / IEC standard. In the transmission method of subtitle and superimpose encoding system "ARIB-TTML" defined in Volume 3, addition of provisions to cope with leap second. In Volume 4 "application control system", addition of provision of external application control, addition and clarification of the provisions of the video recording and playback function.

UCS: Universal multi-octet coded Character Set

TTML: Timed Text Markup Language

6.1 12.16.2014

In order to define the method of transmitting subtitle and superimpose, added Chapter 10, using a defined subtitle and superimpose encoding system "ARIB-TTML" in Part 3 Volume 1 of ARIB STD-B62 "Multimedia Coding Specification for Digital Broadcasting (Second Generation)

TTML:Timed Text Markup Language

6.0 07.31.2014 In response to the maker_id (manufacturer's identification) expansion proposal of SDTT (Software Download Trigger Table) to be used in the download in digital broadcasting, review and clarification of the provisions of the function to use maker_id in the data broadcasting.
5.9 03.18.2014

1 In order to realize the "broadcast and communication cooperation service", review and clarification of provisions relating to the PART 2 and Part 4 "Application control method". (Part 2 and Part 4)

2 Revised to allow use of the TLS1.2 corresponding to the SHA-2 algorithm, since the SHA-1 algorithm used in the secure communication mode of the digital broadcast is transferred to the SHA-2 algorithm.

5.8 07.03.2013 Result of examining the function of the available cooperation Applications with broadcasting and communication, reviewing for new functions such as the addition of Part 2 "XML-based multimedia coding scheme" and Part 4 "application control method" in the 87th Standard Assembly.
5.7 03.19.2013 In order to realize the "broadcast and communication cooperation service" to coordinate the digital broadcasting and HTML5 applications, to define a application control system to the new Part 4 "application control scheme", and to add new functions related to the application control in Part 2 "XML-based multimedia coding scheme".
5.6 09.25.2012 Addition of provisions of the new function for this standard Volume 2 "XML-based multimedia coding scheme", realization of simple cooperation of the television receiver and an external device (smartphones, tablets), which is a form of broadcast and communication cooperation service, in order to be able to view the content related to broadcast content on the external device.
5.5 12.06.2011

Revision relates to the XML-based multimedia coding scheme of Part 2 of Volume 2.

·Perform a response to the BML extension on the terrestrial digital multimedia broadcasting (ISDB-Tmm) by segment coupling transmission system, add the operational guidelines (Appendix 6) of the ISDB-Tmm system for service.

·In the digital broadcasting receiving devices, Addition of the provisions of the function confirmIPNetwork () in order to confirm a connection to the Internet

·Preface and some Appendix revision.

Volume 1 and Volume 3 are no change of content. Replacement version due to the partial revision of the Appendix of the Preface.

5.4 12.16.2009

Revision relates to the XML-based multimedia coding scheme of Part 2 of Volume 2.

·For future options of the BML function which is conventionally required,

Addition of the provisions of the string "Unsupported" to the type of argument (functionname) of getBrowserSupport(), to confirm whether the corresponding feature is supported by the receiver from the BML contents

Volume 1 and Volume 3 are no change of content.

5.3 07.29.2009

Revision relates to the Data encoding scheme of Part 1 of Volume 1.

·Revision related to the character encoding

·Review of the coded character set of UCS

·Addition of control codes, the expansion of the scope of application of the UCS

·Addition of control code (UED) to embed an invisible data in the string

·Clarification of the use of UCS on the caption

·Change of the configuration of the media cross-standard of reference relationship

·Other, Preface Appendix correction.

Revision relates to the XML-based multimedia coding scheme of Part 2 of Volume 2.

·Addition of IPTV cooperation function

·Addition of the body text IPTV cooperation function to realize the VOD function of IPTV services and download function.

·defined the new guidelines on VOD feature in Appendix 1

·In relation to the satellite digital broadcasting advancement, definition of the new guidelines for the combination of BML and ARIB-J (ARIB STD-B23) in Appendix 1

·Other, Preface Appendix correction and clerical error correction.

Volume 3 is no change of content. Replacement version due to the partial revision of the Appendix of the Preface.

5.2 06.06.2008

·In the Volume 2 Part 2 "XML-based multimedia coding scheme", specification of the extension function as an extension of the BML toward broadcasting cooperation of IPTV services. Addition of the provisions of the media type of SCI (stream playback control information).

·In the Appendix "Guidelines for the operation" of Volume 2, along with the above-mentioned of BML expansion, carried out an extension of the current function, the argument is defined in the operational guidelines, argument is specified for the operation rules.

Volume 1 and Volume 3 are no change of content.

5.1 03.14.2007

·In the Volume 2 Part 2 "XML-based multimedia coding scheme", revision to take the consistency of the international standard of the current operation and the W3C related to printing. In the coding system of the character set UCS, addition of the UTF-8 in addition to UTF-16. Furthermore, added a media type for the control file for use in TR-B27.

·In the Volume 3 Part 3 "Data transmission system", errors on the description of section_number of "6.5 Syntax of DSM-CC section", and errors on related to correspondence of the referenced "8.2.1 Data encryption." were corrected.

Volume 1 is no change of content.

5.0 05.29.2006

·In the Volume 1 Part 1 "Data coding method", Replaced the table by the larger each character of the additional symbol, also clarified the corresponding language number indicating the language of the caption.

·In the Volume 2 Part 2 "XML-based Multimedia Coding Scheme", addition of the server type BML module to accommodate the data broadcasting that is assumed as a server-type broadcast, addition of the type attribute, addition of segment ID, addition of extension functions, significant revisions provide a new namespace. Clarify the return value of the function interpretation was unclear in the conventional BML standard.

Volume 3 is no change of content. Replacement version due to the partial revision of the Annexed table of the Preface.

4.4 03.14.2006

·Volume 1 Part 1 "Data coding method"

(1) Revision related to the 8-unit code

·Absorbing mechanism used in the existing media for media crossing

·Recording of additional symbols and additional Kanji

·Corresponding to the Standard letter meeting of JIS level-3, JIS level-4

·Change the reference standard to the latest UCS standard

(2)Revision related to the UCS

·Change the reference standard to the latest UCS standard

·Update the conversion table to UCS from 8 unit code

·Volume 2 Part 2 "XML-based multimedia coding scheme"

(1) Extension functions of a part of interpretation was unclear in the conventional BML standard, Clarification of the method's return value

(2) Revision that is related to the server type broadcast

· Addition of New UTF-8 and UTF-16 as the media type of meta data

· Addition of MetadataFragment descriptor

(3) Mismatch elimination of the ECMAScript

·Volume 3 Part 3 "Data transmission system."

Revision that is related to the server type broadcast

·Addition of the provisions of the MetadataFragment descriptor in STD-B38

4.3 09.29.2005

·Addition of a Basic Mobile BML module in the main, clarification of the mobile operational guidelines in with the Attachment 4, and enabling the corresponding to the service, in order to respond to the service to the mobile receiving terminal in the Part 2 "XML-based multimedia coding scheme" of the Volume 2.

·In the main title of the Volume 2, addition of formal definition in Attachment 1 and 4, modify the description deficiencies, review of the fixed reception guidelines, allowed the enabled services.

Volume 1 and Volume 3 are no change of content. Replacement version due to the partial revision of the Annexed table of the Preface.

4.2 03.24.2005

·Newly established Chapter 9 "Operational standards of the identifier" in the Part 3 "data transmission system" of the Volume 3.

Newly established Chapter 9 "Operational standards of the identifier" and defined in the form of a table are classified as follows in order to clarify the operational standards of all identifiers that are defined in the Part 3 "data transmission system" of the Volume 3.

(1) MIC Ordinance and Notification

(2) "Provisions standardization organization" (Registered and published by the deliberation, or, Registered and published by the application)

(3) "Regulations and operational by business person"

Volume 1, Volume 2(1/2) and Volume 2(2/2) are no change of content. Replacement version due to the partial revision of the Annexed table of the Preface.

4.1 12.14.2004

·Addition of the GIF to the still image and bitmap graphic coding system in the Part 1 "data coding method" of the volume.

·The following were revised in order to enable the service for the mobile receiver operation expecting in the digital terrestrial television broadcasting and terrestrial digital audio broadcasting, in the Part 2 "XML-based multimedia encoding method" of the Volume 2 .

·Addition of an expansion function.

·Addition of a GIF as a reference that can be mono-media of BML document.

·Clarification of the operation for the partial reception at hierarchy transmission.

·Addition of the guidelines for performing operations that do not require the uniqueness of the presentation.

·The operational guidelines for the service in the mobile receiver is carried out a full review.

·Revision to be able to specify the transparent color in the description of the border color of the Characteristic mention.

Volume 3 is no change of content.

4.0 02.05.2004

·In the Volume 2 Part 2 "XML-based Multimedia Coding Scheme", addition of the provisions of the relevant the print function in the data broadcasting.

·Addition of the provision of Broadcasting extension functions in chapter 7.6.17 to realize (1) print control function, (2) recording function to the memory card on the assumption printing via the memory card in the data broadcasting using the BML.

·Description of the operational guidelines in the Appendix 1 of Chapter 12 , Chapter 13 and the provisions A of accompanying, as a print target data format, assuming the XHTML document (XHTML Print) and CSS (CSS Print Profile-based).

Volume 1 and Volume 3 are no change of content.

3.9 10.16.2003

In addition to the MPEG-4 Video "H.264 | MPEG-4 AVC" additional description as mono-media video encoding system in Part 2 "XML-based Multimedia Coding Scheme" Volume 2.

·Addition of H.264|MPEG-4 AVC Transmission provision to the text 8.1、8.2.

·Addition of provision of the media type to the Appendix provision C.

·Addition of provision of operation related H.264|MPEG-4 AVC in profile (attachment 4) that assumes the data broadcasting services for the portable terminal in Section 4.2 of the attachment 4.

·Addition of provision of operation related H.264|MPEG-4 AVC in profile (attachment 5) that assumes the data broadcasting services for the mobile receaver in Section 4.2 of the attachment 5.

·Reorganization of the revision history of the Volume 2.

·The revise history is separated into a part to volume 1/2 and a part to volume 2/2, the revise history relevant to each of volume 1/2 and volume 2/2 is attached.

Volume 1 and Volume 3 are no change of content.

3.8 07.29.2003

·Suitable for "One-segment broadcasting service" of the mobile portable receiver for by terrestrial digital broadcasting, addition of the 「H.264|MPEG-4 AVC」 defined in ITU-T Rec.H.264|ISO/IEC 14496-10 which standardization is established as a new international standard in high compression ratio in Chapter 4 "Video Coding" and Chapter 5 "a still image and bitmap graphic coding" of Part 2 "mono-media coding" of Part 1 "data coding method" of Volume 1 "Video Coding". Operational guideline is added as appendix prescriptive G and a profile and the level are added as explanation 4.

Replacement version due to some revisions in the volume 1. Volume 2(1/2), Volume 2(2/2) and Volume 3 are no change of content.

3.7 06.05.2003

·Volume 3, Addition of a cache priority descriptor

·In the commonality with MHP / GEM standards, addition of a cache priority descriptors that are defined in Part 2 Annex Regulation B "File systems and events transmission" of the STD-B23 "Application Execution Engine Platform for Digital Broadcasting" in the DII of the module information of the Volume 3 Part 3 "data transmission system".

Replacement version due to some revisions in the volume 3.

Volume 1, Volume 2(1/2) and Volume 2(2/2) are no change of content.

3.6 02.06.2003

·STD-B24 is composed of four volumes of the volume 1, the volume 2 (1/2), the volume 2 (2/2) and the volume 3. In this revision, in the volume 1 the revision of the cover and the list of IPR, replacement version due to some revisions in the volume 2 (1/2) and the volume 2 (2/2), it was completely revised in the volume 3.

In the volume 2, addition of the provisions of the relevant root certificate that the receiver holds, in order to perform the two-way web server and secure communication, in interactive services in digital terrestrial television broadcasting.

In the volume 3, addition of revision of the root certificate descriptor and Encrypt descriptor, as revision of the related to the server-based broadcasting system and limited reception.

3.5 11.27.2002

Addition of roll-up mode, and addition of the function for new services in the data broadcasting.

ARIB STD-B24 is composed of Volume 1, Volume 2 1/2, Volume 2 2/2 and Volume 3. There is no change of content in the Volume 3, but update the version number only. Replacement booklet version according to some revision, and the other becomes a revised version.

3.4 07.25.2002

·Addition of a new function and addition of argument in the existing function in the Part 2 (Volume 2).

*Revision of only about the contents of the Volume 2 (1/2 and 2/2).

3.3 03.28.2002

·Define the operational guidelines of the service in the portable terminal and the mobile terminal in the Part 2 (Volume 2). (Addition of Attachment 4 and 5)

*Volume 1 and Volume 3 are replacement version (Only the revision of Comprehensive Table of Contents and the attached list of Preface)

3.2 11.15.2001

·Expansion of BML profile. (addition to the Attachment 3 )

·Adjustment of the XHTML1.0 of W3C and recommendation of Modulation of XHTML

*Volume 1 is replacement version (Shift JIS added to the character encoding)

*Volume 2 is split configuration (1/2) and (2/2)

*Volume 3 is no change of content

3.1 07.27.2001

·Addition of the necessary provisions to implement the bookmark service

·Clarification of conventional provisions, fixing of operational range, correction

* Revision of only about the contents of the volume 2

3.0 05.31.2001

·Addition of provisions relating to the transmission of MPEG-4 video and audio based on the data broadcasting

·Addition of provisions of the use and external device control of an external XML document

2.0 03.27.2001

·Addition of functions and extensions required to Data broadcasting service for exclusive use of the accumulation as broadband CS digital broadcasting

·High performance of two-way communication protocol

1.2 06.20.2000

·Number postscript of data encoding method identifier

·Modify a portion of bi-directional communications regulations in Chapter 2

1.1 03.29.2000

·Supplementary postscript regarding ambiguous representation in Part 2, bug fixes

·Modify of operational constraints that becomes a problem when implementing

1.0 10.26.1999 Enactment

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