FIELD: physics, communications.
SUBSTANCE: invention relates to communication networks, and particularly to providing different types of services in a digital broadcast system. The invention discloses devices and methods of transmitting information on the type of a service or program and/or interactivity or information on interactivity for the service or program. A parameter or attribute is provided in an ESG fragment for indicating the type of program or service or type of interactivity associated with the program or service. In another example, a first parameter is provided for indicating the type of program or service, and a second parameter is provided for indicating the type of interactivity associated with the program or service. The parameter or attribute may be included in metadata of the ESG fragment.
EFFECT: efficient and accurate provision of information on interactivity in an electronic service guide (ESG).
34 cl, 9 dwg, 4 tbl
