An input unit 21 receives the input of conventional image-quality playback data adapted to terrestrial digital television broadcast and high image-quality playback data. A combining unit 22 combines the conventional image-quality playback data and the high image-quality playback data. A data configuration unit 23, on the basis of combined data obtained by combining the conventional image-quality playback data and the high image-quality playback data by means of the combining unit 22, generates data for one polarized antenna transmission and data for another polarized antenna transmission.

An input unit 21 receives the input of conventional image-quality playback data adapted to terrestrial digital television broadcast and high image-quality playback data. A combining unit 22 combines the conventional image-quality playback data and the high image-quality playback data. A data configuration unit 23, on the basis of combined data obtained by combining the conventional image-quality playback data and the high image-quality playback data by means of the combining unit 22, generates data for one polarized antenna transmission and data for another polarized antenna transmission.

A broadcast transmission method includes generating service data for a service, generating service layer signaling data, the service layer signaling data including first signaling data, second signaling data and third signaling data, the first signaling data including reference information referring to the second signaling data and the third signaling data, the second signaling data including a description of a component of the service, and the third signaling data including acquisition information of the component related to the service, and transmitting a broadcast signal including the service data and the service layer signaling data.

A broadcast transmission method includes generating service data for a service, generating service layer signaling data, the service layer signaling data including first signaling data, second signaling data and third signaling data, the first signaling data including reference information referring to the second signaling data and the third signaling data, the second signaling data including a description of a component of the service, and the third signaling data including acquisition information of the component related to the service, and transmitting a broadcast signal including the service data and the service layer signaling data.

Examples of the present disclosure relate to a device, method, and system for integrating a projection mode of a user mobile device with a terrestrial tuner. In an example, the system may be a vehicle including a head unit and a vehicle projection stack to operate in the head unit. The system may also include a terrestrial tuner communicatively coupled to the vehicle projection stack to receive a terrestrial signal from a terrestrial source. The system may also include an audio driver to provide an audio signal to a vehicle interior where the audio signal is from at least one of the terrestrial signal and an internet signal received at the vehicle projection stack from a user mobile device located inside the vehicle interior.

Examples of the present disclosure relate to a device, method, and system for integrating a projection mode of a user mobile device with a terrestrial tuner. In an example, the system may be a vehicle including a head unit and a vehicle projection stack to operate in the head unit. The system may also include a terrestrial tuner communicatively coupled to the vehicle projection stack to receive a terrestrial signal from a terrestrial source. The system may also include an audio driver to provide an audio signal to a vehicle interior where the audio signal is from at least one of the terrestrial signal and an internet signal received at the vehicle projection stack from a user mobile device located inside the vehicle interior.

The present technology relates to a reception apparatus, a reception method, a transmission apparatus, and a transmission method that enable efficient data transmission. When a reception apparatus including a processing unit that, when a transmission signal including transmission data is received, processes the transmission signal including a pilot signal on which layered division multiplexing (LDM) has been performed, and demodulates a part of the transmission data included in a second layer which is different from a first layer including the pilot signal, it is possible to efficiently perform data transmission using the pilot signal. The present technology can be applied to, for example, a broadcasting system compatible with a broadcasting method such as ISDB-T, ATSC, and the like.

An apparatus for transmitting broadcasting signal using transmitter identification scaled by 4-bit injection level code and method using the same are disclosed. An apparatus for transmitting broadcasting signal according to an embodiment of the present invention includes a waveform generator configured to generate a host broadcasting signal; a transmitter identification signal generator configured to generate a transmitter identification signal for identifying a transmitter, the transmitter identification signal scaled by an injection level code; and a combiner configured to inject the transmitter identification signal into the host broadcasting signal in a time domain so that the transmitter identification signal is transmitted synchronously with the host broadcasting signal.

A device providing an emergency alert service via a mobile broadcasting according to one embodiment of the present invention includes an RS frame encoder configured to generate an RS frame, which is a 2.sup.nd dimensional data frame, in a manner of performing an RS (Reed-Solomon)-CRC (Cyclic Redundancy Check) encoding on an ensemble comprising a mobile data for a mobile broadcasting service and a service signaling channel containing an access information on the mobile broadcasting service, an RS frame divider configured to divide the generated RS frame into a plurality of RS frame portions, a signaling encoder configured to generate a signaling data comprising a TPC (Transmission Parameter Channel) for signaling a transmission parameter of the mobile broadcasting and a MC (Fast Information Channel) containing a connection information between the ensemble and the broadcasting service, a data group formatter configured to generate a data group containing a part of the signaling data and the RS frame portion, and a broadcasting signal generating unit configured to generate a mobile broadcasting signal containing the data group.

A device providing an emergency alert service via a mobile broadcasting according to one embodiment of the present invention includes an RS frame encoder configured to generate an RS frame, which is a 2.sup.nd dimensional data frame, in a manner of performing an RS (Reed-Solomon)-CRC (Cyclic Redundancy Check) encoding on an ensemble comprising a mobile data for a mobile broadcasting service and a service signaling channel containing an access information on the mobile broadcasting service, an RS frame divider configured to divide the generated RS frame into a plurality of RS frame portions, a signaling encoder configured to generate a signaling data comprising a TPC (Transmission Parameter Channel) for signaling a transmission parameter of the mobile broadcasting and a MC (Fast Information Channel) containing a connection information between the ensemble and the broadcasting service, a data group formatter configured to generate a data group containing a part of the signaling data and the RS frame portion, and a broadcasting signal generating unit configured to generate a mobile broadcasting signal containing the data group.