Abstract: A digital television (DTV) receiver for processing a DTV signal, the DTV receiver includes a receiver to receive a digital television signal including a plurality of extended text table (ETT) instances that appear in transport stream packets with common PID values, the ETT instances having common table ID values, each ETT instance comprising a section header and a message body, the section header containing a table identification (ID) extension field that serves to establish uniqueness of each ETT instance, the message body containing an extended text message (ETM) which provides detailed descriptions of a virtual channel or an event associated with each ETT instance, wherein the section header further contains a current next indicator field and a section syntax indicator field, a demodulator to demodulate the digital television signal, and an identifier to identify at least one pertinent ETT instance from the plurality of ETT instances.

Abstract: A method for decoding video includes receiving a frame of the video that includes at least one slice and at least one tile. Each of the at least one slice and the at least one tile are not all aligned with one another. Each of the at least one slice is characterized that it is decoded independently of the other the at least one slice. Each of the at least one tile is characterized that it is a rectangular region of the frame and having coding units for the decoding arranged in a raster scan order. The at least one tile of the frame are collectively arranged in a raster scan order of the frame.

Abstract: A method of processing a digital television (DTV) signal in a DTV receiver, the method includes receiving a digital television signal including a plurality of extended text table (ETT) instances that appear in transport stream packets with common PID values, the ETT instances having common table ID values, each ETT instance comprising a section header and a message body, the section header containing a table identification (ID) extension field that serves to establish uniqueness of each ETT instance, the message body containing an extended text message (ETM) which provides detailed descriptions of a virtual channel or an event associated with each ETT instance, wherein the section header further contains a last section number field, wherein the ETT instance further contains a CRC 32 field, demodulating the digital television signal, and identifying at least one pertinent ETT instance from the plurality of ETT instances.

Abstract: A system and method for broadcasting to a plurality of client side devices over a network, such as the Internet, using visual layers for assembly in a media broadcast. In response to receiving input for simulating the media broadcast defined by content objects and arrangement of each layer in the simulation, transmitting the content objects for each of a plurality of the layers in a different live stream to each of the client side devices and transmitting design parameters defining the arrangement of the layers in the simulation to each of the client side devices. Each of the client side devices may be adapted to assemble the layers of a media broadcast according to the content objects and design parameters of the transmissions so that the content objects and design of the media broadcast assembled at each of the client side devices substantially matches that of the simulated media broadcast.

Abstract: Disclosed herein is a program listing display control apparatus including: a program listing picture storage block configured to store a program listing picture in which are disposed program time slots to which a plurality of broadcast programs are allocated; a display control block configured to control a display apparatus to display the program listing picture; a control information input block configured to input control information for controlling the acquisition of additional information to be added to the program listing picture; and an information acquisition block configured to acquire program identification information for identifying the programs to which the additional information is added and the additional information regarding the programs identified by the program identification information, on the basis of the control information input through the control information input block.

Abstract: A method of processing a digital television (DTV) signal in a DTV receiver, the method includes receiving a digital television signal including a plurality of extended text table (ETT) instances that appear in transport stream packets with common PID values, the ETT instances having common table ID values, each ETT instance comprising a section header and a message body, the section header containing a table identification (ID) extension field that serves to establish uniqueness of each ETT instance, the message body containing an extended text message (ETM) which provides detailed descriptions of a virtual channel or an event associated with each ETT instance, wherein the section header further contains a current next indicator field, wherein the ETT instance further contains a CRC 32 field, demodulating the digital television signal and identifying at least one pertinent ETT instance from the plurality of ETT instances.

Abstract: A method for receiving media according to one embodiment comprises the following steps: selecting a receiving channel; receiving a media transport stream transmitted through the receiving channel; generating a media storage stream based on the received media transport stream; and recording the media storage stream. The media transport stream comprises at least one sync bite which represents data removed from the media transport stream.

Abstract: A method of processing a digital television (DTV) signal in a DTV receiver, the method includes receiving a digital television signal including a plurality of extended text table (ETT) instances that appear in transport stream packets with common PID values, the ETT instances having common table ID values, each ETT instance comprising a section header and a message body, the section header containing a table identification (ID) extension field that serves to establish uniqueness of each ETT instance, the message body containing an extended text message (ETM) which provides detailed descriptions of a virtual channel or an event associated with each ETT instance, wherein the section header further contains a protocol version field indicating a protocol version and a section length field indicating a section length, demodulating the digital television signal and identifying at least one pertinent ETT instance from the plurality of ETT instances.

Abstract: A digital television (DTV) receiver for processing a DTV signal, the DTV receiver includes a receiver to receive a digital television signal including a plurality of extended text table (ETT) instances that appear in transport stream packets with common PID values, the ETT instances having common table ID values, each ETT instance comprising a section header and a message body, the section header containing a table identification (ID) extension field that serves to establish uniqueness of each ETT instance, the message body containing an extended text message (ETM) which provides detailed descriptions of a virtual channel or an event associated with each ETT instance, wherein the section header further contains a current next indicator field, wherein the ETT instance further contains a CRC 32 field, a demodulator to demodulate the digital television signal and an identifier to identify at least one pertinent ETT instance from the plurality of ETT instances.

Abstract: A digital television (DTV) receiver for processing a DTV signal, the DTV receiver includes a receiver to receive a digital television signal including a plurality of extended text table (ETT) instances that appear in transport stream packets with common PID values, the ETT instances having common table ID values, each ETT instance comprising a section header and a message body, the section header containing a table identification (ID) extension field that serves to establish uniqueness of each ETT instance, the message body containing an extended text message (ETM) which provides detailed descriptions of a virtual channel or an event associated with each ETT instance, wherein the section header further contains a current next indicator field and a private indicator field indicating a private indicator, a demodulator to demodulate the digital television signal and an identifier to identify at least one pertinent ETT instance rom the plurality of ETT instances.

Abstract: A digital television (DTV) receiver for processing a DTV signal, the DTV receiver includes a receiver to receive a digital television signal including a plurality of extended text table (ETT) instances that appear in transport stream packets with common PID values, the ETT instances having common table ID values, each ETT instance comprising a section header and a message body, the section header containing a table identification (ID) extension field that serves to establish uniqueness of each ETT instance, the message body containing an extended text message (ETM) which provides detailed descriptions of a virtual channel or an event associated with each ETT instance, wherein the section header further contains a current next indicator field and a section length field indicating a section length, a demodulator to demodulate the digital television signal and an identifier to identify at least one pertinent ETT instance from the plurality of ETT instances.

Abstract: A method of processing a digital television (DTV) signal in a DTV receiver, the method includes receiving a digital television signal including a plurality of extended text table (ETT) instances that appear in transport stream packets with common PID values, the ETT instances having common table ID values, each ETT instance comprising a section header and a message body, the section header containing a table identification (ID) extension field that serves to establish uniqueness of each ETT instance, the message body containing an extended text message (ETM) which provides detailed descriptions of a virtual channel or an event associated with each ETT instance, wherein the section header further contains a protocol version field indicating a protocol version and a section syntax indicator field indicating a section syntax indicator, demodulating the digital television signal and identifying at least one pertinent ETT instance from the plurality of ETT instances.

Abstract: A digital television (DTV) receiver includes a receiver to receive a digital television signal including a plurality of extended text table (ETT) instances that appear in transport stream packets with common PID values, the ETT instances having common table ID values, each ETT instance comprising a section header and a message body, the section header containing a table identification (ID) extension field that serves to establish uniqueness of each ETT instance, the message body containing an extended text message (ETM) which provides detailed descriptions of a virtual channel or an event associated with each ETT instance, wherein the section header further contains a protocol version field indicating a protocol version and a section syntax indicator field indicating a section syntax indicator, a demodulator to demodulate the digital television signal and an identifier to identify at least one pertinent ETT instance from the plurality of ETT instances.

Abstract: A digital television (DTV) receiver includes a receiver to receive a digital television signal including a plurality of extended text table (ETT) instances that appear in transport stream packets with common PID values, the ETT instances having common table ID values, each ETT instance comprising a section header and a message body, the section header containing a table identification (ID) extension field that serves to establish uniqueness of each ETT instance, the message body containing an extended text message (ETM) which provides detailed descriptions of a virtual channel or an event associated with each ETT instance, wherein the section header further contains a current next indicator field and a last section number field indicating a last section number, a demodulator to demodulate the digital television signal and an identifier to identify at least one pertinent ETT instance from the plurality of ETT instances.

Abstract: A method of processing a digital television (DTV) signal in a DTV receiver, the method includes receiving a digital television signal including a plurality of extended text table (ETT) instances that appear in transport stream packets with common PID values, the ETT instances having common table ID values, each ETT instance comprising a section header and a message body, the section header containing a table identification (ID) extension field that serves to establish uniqueness of each ETT instance, the message body containing an extended text message (ETM) which provides detailed descriptions of a virtual channel or an event associated with each ETT instance, wherein the section header further contains a current next indicator field and a private indicator field indicating a private indicator, demodulating the digital television signal and identifying at least one pertinent ETT instance from the plurality of ETT instances.

Abstract: A method of processing a digital television (DTV) signal in a DTV receiver, the method includes receiving a digital television signal including a plurality of extended text table (ETT) instances that appear in transport stream packets with common PID values, the ETT instances having common table ID values, each ETT instance comprising a section header and a message body, the section header containing a table identification (ID) extension field that serves to establish uniqueness of each ETT instance, the message body containing an extended text message (ETM) which provides detailed descriptions of a virtual channel or an event associated with each ETT instance, wherein the section header further contains a current next indicator field and a section length field indicating a section length, demodulating the digital television signal and identifying at least one pertinent ETT instance from the plurality of ETT instances.

Abstract: A method of processing a digital television (DTV) signal in a DTV receiver, the method includes receiving a digital television signal including a plurality of extended text table (ETT) instances that appear in transport stream packets with common PID values, the ETT instances having common table ID values, each ETT instance comprising a section header and a message body, the section header containing a table identification (ID) extension field that serves to establish uniqueness of each ETT instance, the message body containing an extended text message (ETM) which provides detailed descriptions of a virtual channel or an event associated with each ETT instance, wherein the section header further contains a current next indicator field and a last section number field indicating a last section number, demodulating the digital television signal and identifying at least one pertinent ETT instance from the plurality of ETT instances.

Abstract: A DTV receiver includes a receiver to receive a digital television signal including a plurality of extended text table (ETT) instances that appear in transport stream packets with common PID values, the ETT instances having common table ID values, each ETT instance comprising a section header and a message body, the section header containing a table identification (ID) extension field that serves to establish uniqueness of each ETT instance, the message body containing an extended text message (ETM) which provides detailed descriptions of a virtual channel or an event associated with each ETT instance, wherein the section header further contains a protocol version field indicating a protocol version and a section length field indicating a section length, a demodulator to demodulate the digital television signal and an identifier to identify at least one pertinent ETT instance from the plurality of ETT instances.

Abstract: A digital cable broadcast receiver and a method for automatically processing caption data of various standards and types, is disclosed. The digital broadcast receiver includes: a demultiplexer for dividing a received broadcast stream into video data, audio data, supplementary information; a controller for determining whether caption data included in the video data is digital caption data or analog caption data on the basis of caption information included in the supplementary information, and outputting a control signal according to a result of the determining; a digital caption decoder for extracting and decoding digital caption data from the video data according to the control signal; and an analog caption decoder for extracting and decoding analog caption data from the video data according to the control signal.

Abstract: Systems and methods for providing users with a real time or near-real time indications of media channels or programs that are currently receiving the most usage or consumption within a defined population of users are disclosed. In an embodiment, a method receives media usage data for currently airing media while the media is being aired and creates an ordered list of media channels or programs for presentation, based at least in part on the media usage data. The method then presents the ordered list of media channels or programs while the media is being aired. In an embodiment, a system further provides the ability to easily select and tune one of the indicated channels or programs in an interactive interface. In an embodiment, the selected media channels or programs are sold on demand or as part of a service upgrade if they are not included in a user's current subscription.

Abstract: A method for reestablishing presentation of a paused media program is disclosed. A system that incorporates teachings of the present disclosure may include, for example, a Set-Top Box (STB) located in a building can have a controller element that presents a media program to a media device operable only in the building, pauses presentation of the media program responsive to a pause request, generates a departure mark that identifies a presentation point in the media program associated with the pause request, receives a request to resume presentation of the media program from the departure mark at a portable communication device capable of maintaining communications with the STB outside the building, and transmits to the portable communication device a presentation of the media program from the departure mark. Additional embodiments are disclosed.

Abstract: A method for acquiring and maintaining Global Positioning System (GPS) synchronization is provided for use in the wireless communication system. The method includes receiving, by at least one Global Positioning System (GPS) receiver, GPS absolute time information and GPS information from at least one GPS satellite; transmitting, from the at least one GPS receiver, to a base station, reference time information generated based on the GPS absolute time information; and generating, by the base station, base station absolute time information based on the reference time information.

Abstract: A method of processing a digital television (DTV) signal in a DTV receiver, the method includes receiving a digital television signal including a plurality of extended text table (ETT) instances that appear in transport stream packets with common PID values, the ETT instances having common table ID values, each ETT instance comprising a section header and a message body, the section header containing a table identification (ID) extension field that serves to establish uniqueness of each ETT instance, the message body containing an extended text message (ETM) which provides detailed descriptions of a virtual channel or an event associated with each ETT instance, wherein the section header further contains a current next indicator field and a last section number field indicating a last section number, demodulating the digital television signal and identifying at least one pertinent ETT instance from the plurality of ETT instances.

Abstract: The present invention discloses a server for transmitting and receiving messages for a signaling (S) layer in MMT (Moving Picture Experts Group Media Transport), which includes a first sub-layer of the S layer for producing first messages to provide information necessary for the use of MPEG, a second sub-layer of the S layer for producing second messages to provide information used for delivering MPEG media, and a delivery (D) layer for making external and internal deliveries of the first and the second messages, wherein each of the first and the second messages includes at least one field corresponding to each of the message type, version, length, extension field and payload.

Abstract: A display device such as a TV has both HDMI and IP network interfaces and uses the HDMI interface to exchange IP network parameters with an audio video application module (AVAM) upon HDMI connection. In this way, an IP-based peer-to-peer or client-server network connection can be automatically established to promote faster communication when sharing and executing applications between the devices than is typically available over the CEC link of HDMI.

Abstract: A virtual channel table for broadcasting protocol and a method for broadcasting by using the virtual channel table includes identification information identifying and permitting discrimination of active and inactive channels contained in the virtual channel table. At a receiver, the virtual channel table transmitted from the transmitting side is parsed, thereby determining whether the current received channel is an active or inactive channel.

Abstract: A virtual channel table for broadcasting protocol and a method for broadcasting by using the virtual channel table includes identification information identifying and permitting discrimination of active and inactive channels contained in the virtual channel table. At a receiver, the virtual channel table transmitted from the transmitting side is parsed, thereby determining whether the current received channel is an active or inactive channel.

Abstract: A broadcast channel information sharing method in an electronic device and the electronic device thereof are provided. An operation method in an electronic device includes creating a request message of requesting to share broadcast channel information, the request message comprising one or more of user information, location information, and habit information, transmitting, by the electronic device, the request message to a network server, receiving, by the electronic device, a response message corresponding to the request message from the network server, and extracting, by the electronic device, broadcast channel information of another electronic device comprised in the response message and sharing the extracted broadcast channel information with the other electronic device.

Abstract: A digital television (DTV) receiver for processing a DTV signal, the DTV receiver includes a receiver to receive a digital television signal including a plurality of extended text table (ETT) instances that appear in transport stream packets with common PID values, the ETT instances having common table ID values, each ETT instance comprising a section header and a message body, the section header containing a table identification (ID) extension field that serves to establish uniqueness of each ETT instance, the message body containing an extended text message (ETM) which provides detailed descriptions of a virtual channel or an event associated with each ETT instance, wherein the section header further contains a current next indicator field and a section length field indicating a section length, a demodulator to demodulate the digital television signal and an identifier to identify at least one pertinent ETT instance from the plurality of ETT instances.

Abstract: Objects in a content delivery network are modified at delivery to users. Individual content servers include copies of the content objects and receive requests from users for a copy of the object. The request includes a program from the content provider on how the content object is to be modified at delivery to the user. The program is executed on delivery of the object to provide the user with a modified content object. Modification can occur as the content is delivered from the content server to the user.

Abstract: A digital cable broadcast receiver and a method for automatically processing caption data of various standards and types, is disclosed. The digital broadcast receiver includes: a demultiplexer for dividing a received broadcast stream into video data, audio data, supplementary information; a controller for determining whether caption data included in the video data is digital caption data or analog caption data on the basis of caption information included in the supplementary information, and outputting a control signal according to a result of the determining; a digital caption decoder for extracting and decoding digital caption data from the video data according to the control signal; and an analog caption decoder for extracting and decoding analog caption data from the video data according to the control signal.

Abstract: A digital television (DTV) receiver for processing a DTV signal, the DTV receiver includes a receiver to receive a digital television signal including a plurality of extended text table (ETT) instances that appear in transport stream packets with common PID values, the ETT instances having common table ID values, each ETT instance comprising a section header and a message body, the section header containing a table identification (ID) extension field that serves to establish uniqueness of each ETT instance, the message body containing an extended text message (ETM) which provides detailed descriptions of a virtual channel or an event associated with each ETT instance, wherein the section header further contains a current next indicator field and a private indicator field indicating a private indicator, a demodulator to demodulate the digital television signal and an identifier to identify at least one pertinent ETT instance rom the plurality of ETT instances.

Abstract: A method of processing a digital television (DTV) signal in a DTV receiver, the method includes receiving a digital television signal including a plurality of extended text table (ETT) instances that appear in transport stream packets with common PID values, the ETT instances having common table ID values, each ETT instance comprising a section header and a message body, the section header containing a table identification (ID) extension field that serves to establish uniqueness of each ETT instance, the message body containing an extended text message (ETM) which provides detailed descriptions of a virtual channel or an event associated with each ETT instance, wherein the section header further contains a current next indicator field and a section length field indicating a section length, demodulating the digital television signal and identifying at least one pertinent ETT instance from the plurality of ETT instances.

Abstract: A digital cable broadcast receiver and a method for automatically processing caption data of various standards and types, is disclosed. The digital broadcast receiver includes: a demultiplexer for dividing a received broadcast stream into video data, audio data, supplementary information; a controller for determining whether caption data included in the video data is digital caption data or analog caption data on the basis of caption information included in the supplementary information, and outputting a control signal according to a result of the determining; a digital caption decoder for extracting and decoding digital caption data from the video data according to the control signal; and an analog caption decoder for extracting and decoding analog caption data from the video data according to the control signal.

Abstract: An apparatus, method and data structure for generating at least one table in a broadcast environment, are provided. The apparatus includes a generator to generate an event information table (EIT) and an extended text table (ETT). The ETT has program guide information for an n-hour span and has a transmission interval. The ETT has a transmission interval and program description information according to the EIT. The transmission interval of the EIT is shorter than the transmission interval of the ETT.

Abstract: A method of processing a digital television (DTV) signal in a DTV receiver, the method includes receiving a digital television signal including a plurality of extended text table (ETT) instances that appear in transport stream packets with common PID values, the ETT instances having common table ID values, each ETT instance comprising a section header and a message body, the section header containing a table identification (ID) extension field that serves to establish uniqueness of each ETT instance, the message body containing an extended text message (ETM) which provides detailed descriptions of a virtual channel or an event associated with each ETT instance, wherein the section header further contains a protocol version field indicating a protocol version and a last section number field indicating a last section number, demodulating the digital television signal; and identifying at least one pertinent ETT instance from the plurality of ETT instances.

Abstract: An apparatus, method and data structure for generating at least one table in a broadcast environment, are provided. The apparatus includes a generator to generate an event information table (EIT) and an extended text table (ETT). The ETT has program guide information for an n-hour span and has a transmission interval. The ETT has a transmission interval and program description information according to the EIT. The transmission interval of the EIT is shorter than the transmission interval of the ETT.

Abstract: An apparatus, method and data structure for generating at least one table in a broadcast environment, are provided. The apparatus includes a generator to generate an event information table (EIT) and an extended text table (ETT). The ETT has program guide information for an n-hour span and has a transmission interval. The ETT has a transmission interval and program description information according to the EIT. The transmission interval of the EIT is shorter than the transmission interval of the ETT.

Abstract: An apparatus, method and data structure for generating at least one table in a broadcast environment, are provided. The apparatus includes a generator to generate an event information table (EIT) and an extended text table (ETT). The ETT has program guide information for an n-hour span and has a transmission interval. The ETT has a transmission interval and program description information according to the EIT. The transmission interval of the EIT is shorter than the transmission interval of the ETT.

Abstract: An apparatus, method and data structure for generating at least one table in a broadcast environment, are provided. The apparatus includes a generator to generate an event information table (EIT) and an extended text table (ETT). The ETT has program guide information for an n-hour span and has a transmission interval. The ETT has a transmission interval and program description information according to the EIT. The transmission interval of the EIT is shorter than the transmission interval of the ETT.

Abstract: A DTV receiver includes a receiver to receive a digital television signal including a plurality of extended text table (ETT) instances that appear in transport stream packets with common PID values, the ETT instances having common table ID values, each ETT instance comprising a section header and a message body, the section header containing a table identification (ID) extension field that serves to establish uniqueness of each ETT instance, the message body containing an extended text message (ETM) which provides detailed descriptions of a virtual channel or an event associated with each ETT instance, wherein the section header further contains a protocol version field indicating a protocol version and a last section number field indicating a last section number, a demodulator to demodulate the digital television signal and an identifier to identify at least one pertinent ETT instance from the plurality of ETT instances.

Abstract: An apparatus, method and data structure for generating at least one table in a broadcast environment, are provided. The apparatus includes a generator to generate an event information table (EIT) and an extended text table (ETT). The ETT has program guide information for an n-hour span and has a transmission interval. The ETT has a transmission interval and program description information according to the EIT. The transmission interval of the EIT is shorter than the transmission interval of the ETT.

Abstract: A DTV receiver includes a receiver to receive a digital television signal including a plurality of extended text table (ETT) instances that appear in transport stream packets with common PID values, the ETT instances having common table ID values, each ETT instance comprising a section header and a message body, the section header containing a table identification (ID) extension field that serves to establish uniqueness of each ETT instance, the message body containing an extended text message (ETM) which provides detailed descriptions of a virtual channel or an event associated with each ETT instance, wherein the section header further contains a protocol version field indicating a protocol version and a private indicator field indicating a private indicator a demodulator to demodulate the digital television signal and an identifier to identify at least one pertinent ETT instance from the plurality of ETT instances.

Abstract: A video or multimedia distribution system receives multiple video streams and transcodes them into a single stream of UDP packets with each of the plurality of video data packets for respective ones of the video streams being assigned a port number corresponding to the respective video stream. The UDP packets are routed to a plurality of Access Points (APs) for transmission. A User Equipment (UE) communicates with the APs and selects one or more of the video streams for viewing on the UE by selecting the port number corresponding to the desired video streams. The UE can “change channels” to view other video streams by changing the port number to the port number of the desired video stream.

Abstract: For selection of publicly accessible resources from a backend server and the management of the resources on a mobile device, a resource management program is installed on the mobile device. The resource management program is able to link the mobile device to a backend server so as to download a plurality of channels. And through the resource management program, a user may select at least one program from a plurality of programs downloaded from the backend server and save it onto a personally accessible memory of the mobile device.

Abstract: A method of processing a non-real time service of a broadcast receiver, which receives and processes a service being transmitted in non-real time, and a broadcast receiver are disclosed.

Abstract: A method for controlling an image display apparatus includes determining a type of a video signal included in an input signal, determining whether three-dimensional (3D) format information is included in the input signal, if the video signal is a 3D video signal, requesting 3D format information about the video signal to a server that stores 3D format information, if the input signal does not include the 3D format information about the video signal, and processing, upon receipt of 3D format information from the server in response to the 3D format information request, the video signal according to the 3D format information and displaying a 3D image based on the processed video signal.

Abstract: Provided is a reception apparatus including a reception unit that receives broadcast content transmitted by a broadcast waves of digital broadcasting, a first obtaining unit that obtains transmission data other than data-broadcast content, the transmission data being transmitted in a data carousel transmission scheme by the broadcast wave, and a control unit that controls a predetermined operation based on the obtained transmission data.

Abstract: An apparatus, method and data structure for generating at least one table in a broadcast environment, are provided. The apparatus includes a generator to generate an event information table (EIT) and an extended text table (ETT). The ETT has program guide information for an n-hour span and has a transmission interval. The ETT has a transmission interval and program description information according to the EIT. The transmission interval of the EIT is shorter than the transmission interval of the ETT.

Abstract: An apparatus, method and data structure for generating at least one table in a broadcast environment, are provided. The apparatus includes a generator to generate an event information table (EIT) and an extended text table (ETT). The ETT has program guide information for an n-hour span and has a transmission interval. The ETT has a transmission interval and program description information according to the EIT. The transmission interval of the EIT is shorter than the transmission interval of the ETT.