ISDB-T System

ISDB-T System

What is ISDB-T

ISDB-T (Integrated Services Digital Broadcasting – Terrestrial) is a  digital broadcasting system for providing audio, video and multimedia services. ISDB-T system was standardized at the Association of Radio Industries and Businesses (ARIB) in Japan. ISDB-T is one of the digital terrestrial TV systems recommended by ITU (International Telecommunication Union). ISDB-T uses a modulation method referred to as Band Segmented Transmission (BST) OFDM.

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Features of ISDB-T System

ISDB-T (Integrated Services Digital Broadcasting – Terrestrial) has been developed and deployed in Japan and Latin America.
In Japan, DTTB service has started since December 2003, and the migration from analog to digital had been smoothly completed. Also, “One-seg” service, which is a new portable reception service in the same channel, has been started since April 2006 in Japan.

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Structure of Japan’s Digital Broadcasting Standard

1.Structure of technical standard for digital broadcasting

Generally speaking, Digital broadcasting system is composed by 3 functional blocks, (1) Source coding block, (2) Multiplex block, and (3) Transmission coding block.

2.About ISDB-T transmission system

Japanese digital terrestrial broadcasting system adopts excellent technologies on transmission system.

3.Outline of transmission parameter

ISDB-T transmission system has the flexibility for adjusting for various kinds of broadcasting service.  

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ARIB Standards and Technical Reports

ARIB Standards (STD) and Technical Reports (TR) for Digital Terrestrial TV Broadcasting

For the details of structure of technical standard and relationship among each standards, see “Structure of Japan’s digital broadcasting

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Harmonization Documents

ISDB-T International Harmonization Documents (ABNT – ARIB – SBTVD Joint Documents)

Reference for characterizing of the specifications of Brazilian and Japanese digital terrestrial TV standards.

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