Abstract: FIG. 1 illustrates an apparatus for decoding according to an embodiment. The apparatus includes an interface for receiving a plurality of ATSC Link-layer Protocol packets each of which including a packet header and a packet payload, wherein the packet payload of an ATSC Link-layer Protocol packet of the plurality of ATSC Link-layer Protocol packets includes image data of one or more logos and/or of one or more icons. Moreover, the apparatus includes a decoding unit for decoding the packet payload of said ATSC Link-layer Protocol packet to obtain the image data.

Abstract: Digital radio signals and apparatuses for providing or receiving such signals are described. A digital radio signal has one or more of a link type indicator, indicating the source of image content. A further digital radio signal has compressed SVG data. A further digital radio signal has an indicator indicating a presentation style for text information. A further digital radio signal has an indication of a target group for an information object. A further digital radio signal has signature data. A further digital radio signal has a predetermined start object identifier.

Abstract: FIG. 1 illustrates an apparatus for decoding according to an embodiment. The apparatus comprises an interface for receiving a plurality of ATSC Link-layer Protocol packets each of which comprising a packet header and a packet payload encapsulating digital content. Moreover, the apparatus comprises a decoding unit. In a first embodiment, the digital content being encapsulated within the packet payload of each of one or more ATSC Link-layer Protocol packets of the plurality of ATSC Link-layer Protocol packets comprises digital radio content, and/or a Distribution and Communications Protocol packet or a portion thereof, and/or Unified Speech and Audio Coding content or extended High Efficiency Advanced Audio Coding content, and/or Journaline content.

Abstract: A digital radio signal having a first channel for carrying side information, and a second channel for carrying content information, has, in the first channel, an alarm status indication, which indicates whether an alarm announcement is active or inactive. A further, digital radio signal has content information, and a target group information, which indicates a geographical region for which the content information is dedicated, wherein the target group information is indicative of at least three geographical positions forming a polygon to indicate the geographical region, wherein the at least three geographical positions are coded into the digital radio signal using differential coding.

Abstract: A transport stream provider for providing a plurality of transport stream packets describing digital media information is configured to provide a transport stream packet of a first packet type including a program association table and key information for decrypting encrypted media information. The program association table contains an association between a program No. and a packet type identifier of a further transport stream packet of a second packet type. The transport stream provider is configured to provide a transport stream packet of the second packet type in such a manner that the transport stream packet of the second packet type contains a reference to packet type identifiers of transport stream payload data packets which describe contents of different content types of the digital media information.

Abstract: A transport stream provider for providing a plurality of transport stream packets describing digital media information is configured to provide a transport stream packet of a first packet type including a program association table and key information for decrypting encrypted media information. The program association table contains an association between a program No. and a packet type identifier of a further transport stream packet of a second packet type. The transport stream provider is configured to provide a transport stream packet of the second packet type in such a manner that the transport stream packet of the second packet type contains a reference to packet type identifiers of transport stream payload data packets which describe contents of different content types of the digital media information.

Abstract: A device for controlling a service access authorization for a user device with regard to an access-restricted service includes a service access authorization provider, the service access authorization provider being configured to set a period of time in which the service access authorization is valid, responsive to an authorization message provided with a service-dependent user identifier, and the service access authorization provider being configured to disable an authorization allowing the service access authorization to be extended or reactivated using the previous service-dependent user identifier when at least a predetermined duration has passed since an end of a last authorization time interval for which a service access authorization was determined by the device.

Abstract: A device for controlling a service access authorization for a user device with regard to an access-restricted service includes a service access authorization provider, the service access authorization provider being configured to set a period of time in which the service access authorization is valid, responsive to an authorization message provided with a service-dependent user identifier, and the service access authorization provider being configured to disable an authorization allowing the service access authorization to be extended or reactivated using the previous service-dependent user identifier when at least a predetermined duration has passed since an end of a last authorization time interval for which a service access authorization was determined by the device.

Abstract: A transport stream provider for providing a plurality of transport stream packets describing digital media information is configured to provide a transport stream packet of a first packet type including a program association table and key information for decrypting encrypted media information. The program association table contains an association between a program No. and a packet type identifier of a further transport stream packet of a second packet type. The transport stream provider is configured to provide a transport stream packet of the second packet type in such a manner that the transport stream packet of the second packet type contains a reference to packet type identifiers of transport stream payload data packets which describe contents of different content types of the digital media information.

Abstract: The navigation overhead and/or the content managing/updating overhead is reduced by providing link objects with condition data being associated with the link items of the link objects so that, depending on a check as to whether the condition data is fulfilled or not, an automatic handling of a link object may be performed. For example, the automatic handling may have an automatic appointing an object ID referred to by a link item of the link object that has condition data associated therewith which is fulfilled, as a newly-selected object ID.

Abstract: When generating a data stream, text data, an escape-start-sequence, a first number of data units, an escape-continuation-sequence and a second number of data units are entered into a data stream. A base decoder displays only the text data and skips the data units referenced by the escape-start-sequence and the escape-continuation-sequence, while an extension decoder reads those data units and processes them together.

Abstract: When generating a data stream, text data, an escape-start-sequence, a first number of data units, an escape-continuation-sequence and a second number of data units are entered into a data stream. A base decoder displays only the text data and skips the data units referenced by the escape-start-sequence and the escape-continuation-sequence, while an extension decoder reads those data units and processes them together.

Abstract: A text-based information transmission is made complying with a greater number of transport-layer systems by performing the fragmentation and de-fragmentation of the information object at the application-layer side rather than at transport-layer domain. By this manner, the text-based information service is not restricted to transport-layer systems accommodating the maximum size of the information objects. Rather, it is possible to adjust the fragmentation size of the fragments into which the information objects are fragmented to the maximum transport packet content section size offered by the transport layer within the application layer. The fragment size may even vary in a time-varying manner responsive to instructions from the transport layer posed onto the transport layer in consequence of time-varying transmission channel characteristics, for example.

Abstract: When generating a data stream, text data, an escape-start-sequence, a first number of data units, an escape-continuation-sequence and a second number of data units are entered into a data stream. A base decoder displays only the text data and skips the data units referenced by the escape-start-sequence and the escape-continuation-sequence, while an extension decoder reads those data units and processes them together.

Abstract: A text-based information transmission is made complying with a greater number of transport-layer systems by performing the fragmentation and de-fragmentation of the information object at the application-layer side rather than at transport-layer domain. By this manner, the text-based information service is not restricted to transport-layer systems accommodating the maximum size of the information objects. Rather, it is possible to adjust the fragmentation size of the fragments into which the information objects are fragmented to the maximum transport packet content section size offered by the transport layer within the application layer. The fragment size may even vary in a time-varying manner responsive to instructions from the transport layer posed onto the transport layer in consequence of time-varying transmission channel characteristics, for example.

Abstract: The navigation overhead and/or the content managing/updating overhead is reduced by providing link objects with condition data being associated with the link items of the link objects so that, depending on a check as to whether the condition data is fulfilled or not, an automatic handling of a link object may be performed. For example, the automatic handling may have an automatic appointing an object ID referred to by a link item of the link object that has condition data associated therewith which is fulfilled, as a newly-selected object ID.

Abstract: A device for controlling a service access authorization for a user device with regard to an access-restricted service includes a service access authorization provider, the service access authorization provider being configured to set a period of time in which the service access authorization is valid, responsive to an authorization message provided with a service-dependent user identifier, and the service access authorization provider being configured to disable an authorization allowing the service access authorization to be extended or reactivated using the previous service-dependent user identifier when at least a predetermined duration has passed since an end of a last authorization time interval for which a service access authorization was determined by the device.

Abstract: A transmitter for transmitting information data present in a plurality of data sets comprises an assigner for assigning offset information to one or more data sets of the plurality of data sets, the offset information indicating where the data set is to be written in a memory of a receiver. Furthermore, the transmitter comprises a transmitting unit for transmitting a plurality of data sets and the offset information associated with the data set. Hereby, it is possible to effect improved error correction as opposed to the prior art.

Abstract: When generating a data stream, text data, an escape-start-sequence, a first number of data units, an escape-continuation-sequence and a second number of data units are entered into a data stream. A base decoder displays only the text data and skips the data units referenced by the escape-start-sequence and the escape-continuation-sequence, while an extension decoder reads those data units and processes them together.

Abstract: It is a finding of the present invention that a user of a broadcast receiver gets text information significantly more quickly if a reference to another text information object in the broadcasting signal is contained in a text information object included in the broadcasting signal, which is currently displayed on the display of the broadcast receiver, and the user is enabled to cause the text information to be displayed to be changed from the text information of the current text information object to the text information of the text information object to which the current text information object refers by simple operation of a user selection means. Here, the additional effort is very limited since in today's broadcast receivers there mostly is an “unoccupied” key, which only has an assigned function and thus is occupied in special situations of use of the broadcast receiver, and may be used as user selection means, as far as that goes.