JAPANESE
WebStore
Contact UsOverview of ARIB Standards (STD-B25)
1. Overview
| STD Number | ARIB STD-B25 |
|---|---|
| Standard Name | Conditional Access System Specifications for Digital Broadcasting |
| General Description | This standard specifies scrambling and related information specifications and related receiver specifications for access control methods used in digital broadcasting. Regarding the conditional access system in digital broadcasting, Part 1 specifies the conditional access method in reception processing, Part 2 specifies the conditional playback method in playback processing, Part 3 specifies the content protection method in reception processing, and Part 4 specifies the access control system for terrestrial mobile multimedia broadcasting based on connected segment transmission. |
2. Amendment History
| Ver. | Amendment or Enactment Date | Amendment summary |
|---|---|---|
| 7.0 | 10.29.2024 | Addition of the provisions that the CAS chip (built into the receiver) used in 4K broadcasting can also be used in BS/wideband CS/terrestrial digital broadcasting receivers (2K-only receivers) , in the access control method (CAS) for the receiving process. |
| 6.7 | 01.21.2019 | Addition of three essential industrial property rights (1 for Ver. 5.1, 2 for Ver. 6.0) to the IPR list. |
| 6.6 | 04.12.2018 | |
| 6.5 | 03.17.2015 | In response to the revision of the Ordinance, review of the Ordinance and Notification that reference and to clarify. In addition, the unification of the kana-kanji. |
| 6.4 | 07.31.2014 | Due to the segment connecting the transmission system of the multi-media broadcast carried out by using a terrestrial backbone broadcasting stations using frequencies below 108MHz exceed the 99MHz (hereinafter, V-Low multimedia broadcasting) received a revision of the Ordinance and Notification of additional, to add the provisions of the multi-media broadcast in Part 4. |
| 6.3 | 12.10.2013 | For enhanced security of the IC card, to expand the byte length of some items of prescribed related information in Part 1. |
| 6.2 | 09.25.2012 | Revision of the Notification to add the provision of access control descriptor associated with SimulCrypt operation of the content protection method. Also, having to deletion from the Ordinance and Notification of satellite digital audio broadcasting, of this standard Ordinance or Notification is revised to fix to be consistent. Clarification of provisions and minor clerical error correction. |
| 6.1 | 07.03.2012 | According to the revision of the Ordinance and Notification due to the revision of the Broadcast Law, this standard is changed to correspond to the new Ordinance and Notification. Also, match the term of the newly defined "Basic broadcasting station". |
| 6.0 | 03.28.2011 | ·Revised to allow the operation of the new content protection system in Part 3 (Revision of the operation of ECM-F0 and F1, and Addition of automatic display messages relevant provisions) ·Addition of "Access control method for Terrestrial Mobile Multimedia Broadcasting Based on Connected Segment Transmission" in Part 4 |
| 5.1 | 03.18.2009 | ·Addition of provisions relating to the miniaturization of IC card in Part 1 |
| 5.0 | 03.14.2007 | ·Addition of the "Control method at the time of reception (content protection system)" to the Part 3 |
| 4.2 | 05.29.2006 | · Addition of provisions relating to the operation of server-based broadcasting CAS (S-CAS) in Part 2 · Unified terminology and clerical error correction in Part 1 |
| 4.1 | 06.05.2003 | ·Addition of the CAS-R System Using ECM-S and EMM-S Associated Information to Chapter 6 of Part 1 |
| 4.0 | 02.06.2003 | ·Correspondence of the Ordinance revision (Revision in accordance with the server-based broadcasting system introduction) ·Change the name of the standard to "Access control system in the digital broadcasting." ·Change the title of the Part 1 to the "Control system at the time of reception (conditional access system)" ·Addition of "At the time of reproduction control method (limited playback method)" to the new as Part 2 |
| 3.1 | 07.25.2002 | ·Correspondence of the ministerial ordinance amendment. ·Addition of an item of reference 5 |
| 3.0 | 05.31.2001 | ·Correspondence of digital terrestrial television broadcasting ·Correspondence of terrestrial compatible digital audio broadcasting |
| 2.0 | 03.27.2001 | ·Correspondence of broadband CS digital broadcasting ·Alternate service correspondence |
| 1.3 | 10.12.2000 | ·Deleting the shaded. Error correction of reference of the Ordinance and Notification. |
| 1.2 | 07.25.2000 | ·Modify the transmission conditions of the EMM, other. |
| 1.1 | 03.29.2000 | ·Revision of the automatic display message |
| 1.0 | 10.26.1999 | Enactment |
