Overview of ARIB Technical Report (TR-B33)
1. Overview
TR Number | ARIB TR-B33 |
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Technical Report Name | Operational Guidelines for Terrestrial Mobile Multimedia Broadcasting by Transmission System Based on Connected Segments for VHF-High Band |
General Description | This technical report specifies the operation of terrestrial multimedia broadcasting for mobile/handheld receivers with connected segments transmission system (hereinafter referred to as ISDB-Tmm) using frequency less than 222MHz and more than 207.5MHz, Regarding the use of the space frequency that becomes available with the complete digitization of the terrestrial television broadcasting, the Information and Communication Council reports on 27 June 2007, that it is appropriate to use a part of VHF band for new broadcasting, except television broadcasting, such as the multimedia broadcasting for mobile receivers from July, 2011. The multimedia broadcasting for mobile devices realizes that contents and service can be accessed, by premising a mobile receiver, without being restricted in the use place and the broadcast time by combining the terrestrial digital television broadcasting with communication to expand. This broadcasting provides two classified services. One is real-time and high-quality broadcasting (i.e. the conventional broadcasting that put a video, a sound and data or those factors together). The other is accumulate broadcasting that can store great variety of contents to the receiver. The video, audio, picture, text, data or the combination of these factors are dealt as contents. ISDB-Tmm, that is the expanded standard of ISDB-T adopted for terrestrial digital television broadcasting, is adopted for the multimedia broadcasting for mobile receivers. |
2. Amendment History
Ver. | Amendment or Enactment Date | Amendment summary |
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- | 09.28.2020 | Suppressed. This technical report was suppressed because the domestic broadcasting service based on this technical report had ended (June 30, 2016) and the standard preparation support period (until July 4, 2020) has expired. |
2.3 | 09.30.2015 | The following amendments are made; - expansion of the character coded value used by meta-data based on the latest version of STD-B24 - change of the name of a broadcasting company - enlarged display of the thumbnail |
2.2 | 10.02.2014 | The following amendments are made; - change of the operation of meta-data with a new company entry - change of the chapter title of a reference to match ARIB STD-B32 ver. 3.0 - adding a notice matter about the function of a receiver. |
2.1 | 07.31.2014 | The following amendments are made; - new allotment of various ID with a new company entry, - change of the chapter number of a reference to match ARIB STD-B53. ver.02 |
2.0 | 03.18.2014 | The following amendments are made; - revision due to adding the terrestrial television broadcasting by ISDB-Tmm system to the standard system by partial revision of the Ministerial Ordinance. - addition of the specification about the identifier operation to prepare for an additional entry company planned in April, 2015 Here, in order to clarify distinction with "the terrestrial multimedia broadcasting by the transmission system based on connected segments” in the VHF-Low band, the name of this technical report is changed to "the terrestrial multimedia broadcasting by the transmission system based on connected segments in the VHF-High band.” The version is numbered 2.0. |
1.7 | 07.03.2013 | The following amendments are made, based on the operational results after the opening of broadcasting stations in April 2012, to achieve further improvement of this technical report; (1)Clarification of uncertain points in the current technical report including such descriptions as various parameters for contents transmission and the event in BML from a viewpoint of receiver implementation and the contents making, (2) Change of specification to coincide with ARIB STD-B38 ver.2.3, (3) Change of specification to coincide with ARIB STD-B53 ver.1.2, (4) Change of specification to contribute to the convenience of the audience |
1.6 | 03.19.2013 | The following amendments are made, based on the operational results after the opening of broadcasting stations in April 2012, to achieve further improvement of this technical report; - Clarification of uncertain points in the current technical report including such description as various parameters for contents transmission and the event in BML from a viewpoint of receiver implementation and the contents making, Also the specification is added to meet expected services in the future about a source of time supply. And the specification regarding some services such as the available options of the MPEG-4 audio system, which exists in the current technical report but is not assumed for the time being is deleted. |
1.5 | 09.25.2012 | In order to achieve further improvement of this technical report, clarification of uncertain points in the current technical report is made from a viewpoint of receiver implementation and the contents making, based on the operational results after the opening of broadcasting stations in April 2012. Also additional descriptions are made to meet expected services in the future. - clarification and revision of the specification about contents transmission system and contents playback system of the storage broadcasting. - Addition of operational specification for surround sound using MPEG Surround. - Addition of the specification about the recording of the real-time broadcasting to prepare for the services that future enforcement is planned. - Addition of the specification about the digital video/audio lineout with the radio. |
1.4 | 07.03.2012 | In order to achieve further improvement of this technical report, clarification of uncertain points in the current technical report is made from a viewpoint of receiver implementation and the contents making, based on the operational results after the opening of broadcasting stations in April 2012. Also addition of description and change of reference in response to the revision of Ministerial Ordinance and Notification is made to meet expected services in the future. |
1.3 | 02.14.2012 | - The detailed specification about the sound made by a receiver at a time of character superimpose is added. (Volume 3) - Regarding the operation of BML in real-time broadcasting service, side screen display to a data broadcasting browser is added. (Volume 3) - Regarding the operation of HTML in storage broadcasting service, the specification of "basic function" and “optional function” are partially revised. (Volume 3) - The value of an update period and the retransmission period of ECM which is confirmed by the experiment is listed. (Volume 5) - Correction to clarify contents and correction for error in writing are made in every volume. |
1.2 | 12.06.2011 | (1) Change due to the decision of the undecided item in response to the authorization of the authorized basic broadcasting company (2) Consistency with the Standard concerned (3) Consistency in the same Technical report (4) Consistency with the assumption service for the opening of an broadcasting station (5) Change of the term in response to the law revision (6) Correction of error in writing |
1.1 | 07.07.2011 | (1) Securing of consistency in response to the Standard revision (2) Further clarification of the reference of the system management descriptor (3) Change of the operation of the Emergency Earthquake Warning broadcasting (4) Correspondence to the change of the receiver implementation (5) Correspondence to the technical obsolescence and weakening (6) Correction of error in writing |
1.0 | 03.28.2011 | Enactment |
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