Overview of ARIB Standards (STD-B26)
|STD Number||ARIB STD-B26|
|Standard Name||SNG Transmission Systems|
This standard specifies the functionality and performance required for the digital SNG (Satellite News Gathering) transmission system for broadcasting station performs material transmitted through the geostationary communications satellite of the Ku-band(uplink frequency 14.0 - 14.5GHz). By this provision, a need of the HDTV/UHDTV system, to ensure sufficient quality and excellent operability and efficient transmission.
|CAS||Abbreviation of Conditional Access System|
Abbreviation of Digital Integrated Receiver Decoder
It is an indoor unit of the following content consists of a digital broadcast receiver, a channel selection unit, a demodulation unit, a decoder, a descrambler.
Abbreviation of Entitlement Control Message
The program information, key information (scramble key) and descrambling function (enable / disable) information is related information for use in performing descramble. It called common information.
Abbreviation of Entitlement Management Message
Key information (work key) for solving the individual contract information and encryption. It called individual information.
|MULTI2||Scrambling method stipulated by Ordinance Notification|
Abbreviation of Pay per View
Make a purchase agreement at any time on the program unit.
Method of accounting in the viewing program unit.
2. Amendment History
|Ver.||Amendment or Enactment Date||Amendment summary|
Based on the trend of standardization of DVB-S2X in Europe, in order to enable UHDTV transmission using SNG, or efficient transmission over narrower bandwidth, the following revisions are implemented.
･Additional provisions such as rolloff characteristics, multi-level modulation method for channel coding.
･To hire H.264/AVC and H.265/HEVC for source coding, and DVB-ASI / IP for the interface between channel coding and multiplexer.
･Change title, as it is applicable to both HDTV and UHDTV transmission.
|2.0||09.25.2008||Revision of additional DVB-S2 compliance standard, transmission parameters, additional 1/4 bandwidth (36MHz satellite repeater), 1/3-band (27MHz satellite repeater) and additional transmission mode.|
|1.2||11.30.2005||Definition of spurious emissions, tolerance, transitional measures, of the measurement method revision along with the revision of the technical standards relating to the permissible value of the intensity of spurious emission.|
|1.1||03.27.2001||Change the description of the Annexed table (industrial property rights) in foreword|