| 摘要 |
Provided are apparatuses and methods in a digital broadcast transmission system for transmitting information on a type of service or program and/or interactivity or interaction information for the service or program. In one example, a parameter or attribute is provided in an ESG fragment for indicating the type of program or service and the type of interaction 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 interaction associated with the program or service. The parameter or attribute may be included in metadata of the ESG fragment. |
