scope:

Scope and object

This International Standard specifies both Standard Definition and High Definition receivers for the DVB-T system.

It concerns:

• broadcasters, and

• receiver manufacturers.

The objective is to define:

• how to provide broadcasts that are understood by all receivers and enable receivers to provide good facilities to their users;

• the behaviour required from receivers to work well with these broadcasts and to be attractive to consumers.

To avoid doubt, the words "shall", "should", etc. are used in the traditional way to distinguish issues that are mandatory versus those that are optional A baseline receiver will support the mandatory features but not all the optional features in this standard. Inclusion of optional features is part of the marketing strategy of the manufacturer.

Subtitling and teletext are considered to be components of TV services. Standalone teletext services (without associated video content) are not part of this standard.

This standard primarily addresses terrestrial delivery of digital transmissions.

This standard primarily addresses deployment in countries that use European Latin script based languages.

Two types of systems are considered:

• standard systems where services are all SD and use well-established codecs. Standard receivers which can decode standard services are suitable for these systems;

• advanced systems where some services may use advanced codecs, for example to provide HD video. Advanced receivers which can decode advanced services are suitable for these systems.

Where the term "receiver" or "broadcast" is used without a qualifier, the statement is applicable equally to both types of systems.