JP2008098983A - Broadcast receiving terminal and computer program - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To easily view an intended program even when a media start-up description is used in multiple broadcasting areas. <P>SOLUTION: The terminal having a broadcast receiving function stores a channel list for associating either a service ID or a network ID of a broadcast station receivable at least in a present area with a physical channel. The terminal interprets the media start-up description including information for discriminating at least a medium and a channel to be started input by a certain means and reproduction start date and time information, and executes the description. In starting a broadcast receiving section based on the media start-up description, the terminal refers to the channel list, and specifies the physical channel to be selected based on the service ID (service_id), the physical channel information (p_channel) and an affiliation ID (affiliation_id) which could be included in the media start-up description. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

  The present invention relates to a broadcast receiving terminal device having a broadcast receiving function and a computer program executed in the computer.

  Currently, terrestrial digital television broadcasting (so-called one-segment broadcasting) for mobile phone terminals has been started, and mobile phone terminals having a broadcast receiving function corresponding to this have been sold. If a mobile phone terminal having such a television broadcast receiving function is used, the user can view the television broadcast at any desired time while away from home or while traveling. In other words, it has become possible to view a TV broadcast anytime and anywhere in a region where broadcast radio waves reach.

Also, the recommended information related to the TV program recommended by the user is notified to other viewers by e-mail using the portable terminal, and the TV program that the viewer was watching on the receiving device is recommended by the recommended information. A technique for supporting a process of switching to a program has been proposed (see Patent Document 1).
JP 2001-333411 A "1Seg Broadcast Textbook" published by Impress Net Business Company, Inc., June 21, 2005, see p219

  Conventionally, media such as televisions and radios are conventionally activated by first activating the media and selecting a desired channel by operating a switch or a menu. On the other hand, the media activation description including information for identifying the broadcast station identification information and the broadcast program is included in the body text such as an e-mail, and the media activation description is presented by the user so that the user can instruct it. It has been studied to start the media according to the media activation description according to the user's instruction.

  By using such a media activation description, it is possible to give an instruction to activate the media from one person to another so that a specific broadcast program at a specific broadcast station can be easily viewed. Such a media activation description is suitable for use in a mobile phone terminal having both a communication function and a television broadcast receiving function.

  However, even for a program broadcast on the nationwide network, the physical channel (frequency) used for broadcasting differs depending on the region. On the other hand, there is no regional boundary for broadcasting such as e-mail and Web contents. Therefore, there arises a problem that a person who receives a media activation description across a regional boundary by communication or the like cannot activate the media as intended according to the media activation description. This problem is not solved even by the technique described in Patent Document 1 described above.

  The present invention has been made in view of such problems, and an object thereof is to make it possible to easily view an intended program even when a media activation description is used across a plurality of broadcasting regions. It is to provide a broadcast receiving terminal device, a media activation description processing method, and a computer program.

The broadcast receiving terminal device according to the present invention includes a broadcast receiving means for receiving and reproducing a broadcast, and at least one of a service ID of a broadcast station that can be received at least in the current region and a network ID corresponding to at least one of the service IDs. Means for storing a channel list in which physical channels are associated with, and control means for interpreting and executing a media activation description including at least information for identifying an activation target medium and channel, and reproduction start date / time information. When the control means activates the broadcast receiving means based on the media activation description, a service ID that can be included in the media activation description can be included in the service ID that can be included in the channel list or the channel list. When the service ID corresponds to at least one of the service IDs corresponding to the network ID, the physical channel to be selected is specified based on the physical channel information corresponding to the service ID, and further, the service ID is included in the media activation description. If a service ID list that defines a plurality of service IDs capable of receiving a program to be received is described, any service ID included in the service ID list can be included in the channel list. ID or network that can be included in the channel list If applicable to at least one of the corresponding service ID to click ID, based on the physical channel information corresponding to the service ID, identifying the physical channel to be selected.
When the channel list includes a network ID corresponding to a physical channel, the control means obtains a network ID corresponding to the service ID based on the service ID in the media activation description, and the network in the channel list Based on the physical channel information corresponding to the ID, the physical channel to be selected is specified.

  Since the service ID list defines a plurality of service IDs that can receive the intended program to be received in the media activation description, by referring to the channel list of the current area, the service ID list The service ID being broadcast can be specified and the target physical channel can be obtained.

  The channel list may include a sequence ID corresponding to each physical channel. In this case, when the control unit activates the broadcast receiving unit based on the media activation description, neither the service ID nor the service ID list is described in the media activation description, and the sequence ID is described. If the channel ID is included in the channel list in the current region, the physical channel to be selected is specified based on the physical channel information corresponding to the channel ID.

  According to the affiliated ID, the service ID of the broadcasting station that broadcasts the program intended by the creator of the media activation description in the whole country can be found, and any of these service IDs can be found in the channel list of the current region. For example, the target physical channel can be obtained corresponding to the service ID.

  The broadcast receiving terminal device according to the present invention comprises means for obtaining an electronic program guide including broadcast program information of the current region, and the control means is configured to execute the media activation description and the channel list during processing based on broadcast reception reservation processing. When the physical channel to be selected cannot be specified based on the above, the electronic program guide may be presented to allow the user to select a channel.

  Means for storing physical channel information selected at the end, and the control unit cannot specify a physical channel to be selected based on the media activation description and the channel list at the time of broadcast immediate reception processing; In this case, the last selected physical channel may be selected.

  The present invention further relates to a broadcast receiving means for receiving and playing a broadcast, at least one of a service ID of a broadcasting station that can be received at least in the current region and a network ID corresponding to at least one of the service IDs and a physical channel It can also be understood as a computer program executed by a broadcast receiving terminal device having means for storing the attached channel list.

  According to the present invention, the service activation list is included in the media activation description, while the channel activation list is held in the terminal, so that the media activation description can be used even when the media activation description is used across a plurality of broadcasting regions. It becomes possible to make it possible to easily watch the program.

  DESCRIPTION OF EXEMPLARY EMBODIMENTS Hereinafter, preferred embodiments of the invention will be described in detail with reference to the drawings.

  FIG. 1 shows a schematic configuration of a system including a broadcast receiving terminal device (also simply referred to as a terminal) in the present embodiment.

  In this system, it is assumed that terminals 20a and 20b such as mobile phones having a television broadcast receiving function belong to broadcasting stations 30a and 30b having different reception areas. Hereinafter, the terminals 20a and 20b are collectively referred to as the terminal 20 (the same applies to other reference numbers). Each terminal 20 is connected to the Web server 40 via the communication network 10. The communication network 10 includes a network that can include a mobile phone network, a packet network, the Internet, and the like.

  The web server 40 is a server that provides document data described in a markup language such as html that constitutes a web page in response to a request from the terminal 20 in accordance with the http protocol to the terminal. In the present embodiment, it is assumed that a media activation description can be included as an anchor tag for setting a link in the document data.

  Although not shown, the network 10 includes a mail server that performs mediation processing for transferring electronic mail (hereinafter also simply referred to as mail). In this embodiment, it is assumed that a media activation description can be included in this mail data. The mail in the present embodiment may also include a so-called short message that uses the telephone number of the partner terminal as the partner address. In that case, the network 10 includes a message server that performs mediation processing of short message transfer.

  Television broadcasting by the broadcasting station 30 is assumed to be terrestrial digital broadcasting (including one-segment broadcasting). However, the present invention can also be applied to satellite broadcasting.

  FIG. 2 shows a schematic hardware configuration example of the terminal 20. The terminal 20 includes a central control unit 201, a RAM 202, a ROM 203, a display control unit 204, a display unit 205, a communication unit 206, an operation unit 207, a flash memory 208, a clock unit 209, a recording / playback unit 210, a broadcast receiving antenna 211, A broadcast receiving unit 212, an audio processing unit 213, a microphone 214, and a speaker 215 are provided.

  The central control unit 201, RAM 202, ROM 203, display control unit 204, communication unit 206, operation unit 207, flash memory 208, clock unit 209, recording / playback unit 210, broadcast reception unit 212, audio processing unit 213 are connected to the bus 210. Data is exchanged and commands are exchanged via the bus 210.

  A RAM 202 is a memory that temporarily holds and stores calculation results of the central control unit 201 and data acquired from the outside. The ROM 203 is a non-volatile memory that stores an operating system (OS), various programs, and fixed data. The central control unit 201 reads out these programs from the ROM 203 and executes predetermined processing according to the programs. The flash memory 208 is a rewritable nonvolatile memory that retains data acquired from the outside, information such as a mail address and URL (Uniform Resource Locator) for later processing.

  The communication unit 206 has a function of establishing a connection with the network 10 and transmitting / receiving data to / from the network 10. The operation unit 207 includes a numeric keypad and various instruction keys, and provides a user input interface.

  The display control unit 204 has a function of receiving display information such as text and images from the central control unit 201 and driving the display unit 205 based on the received display information. As display information from the outside, it is possible to switch or overlap and display both information via the network and information by broadcasting. The display unit 205 includes an arbitrary display device such as a liquid crystal device or an organic EL device, and has a function of optically displaying an image in accordance with a drive signal from the display control unit 204.

  The clock unit 209 includes a real-time clock and provides functions of a calendar, a clock, and a timer.

  The broadcast receiving unit 212 has a function of extracting a signal of a desired channel from a broadcast wave received by the antenna 211 and demodulating and reproducing the signal. The broadcast receiving unit 212 includes a browser function for interpreting and displaying a document described in a BML (Broadcast Markup Language) language by digital data broadcasting.

  The recording / reproducing unit 210 has a function of recording and reproducing the broadcast content received by the broadcast receiving unit 212. As a recording storage unit, a RAM 202, a flash memory 208, a small HDD (not shown), or the like can be used.

  The sound processing unit 213 performs processing for outputting sound from the speaker 215 and converting input sound from the microphone 214 into a predetermined signal.

  Although the internal configuration of the Web server 40 shown in FIG. 1 is not particularly illustrated, it is a computer device, and includes a central control unit, a communication unit, a storage device, and various input / output devices.

  A service transmission model of terrestrial digital broadcasting will be described with reference to FIG. 3 (see Non-Patent Document 1). The frequency for terrestrial digital broadcasting includes physical channels from 13 ch (470 MHz) to 62 ch (770 MHz). Terrestrial digital broadcasting is performed using 13 of 14 transmission segments having a width obtained by equally dividing a channel width of 6 MHz of 14 channels (the remaining 1 segment serves as a guard band for avoiding interference with adjacent channels). 12 out of 13 transmission segments are used for broadcasting on the premise of fixed reception, and 1 segment is used for broadcasting on the premise of mobile reception.

  In one-segment (one-segment) broadcasting targeting the terminal 20, a stream (fixed-length packet sequence) in which video, audio, and additional data are multiplexed in the format of a transport stream (TS) defined by the MPEG-2 system ) Is transmitted. One NIT (Network Information Table) is always multiplexed in the transport stream. The frequency, remote control ID (remote control selection button number), and service ID (up to 3) are described in the NIT. In digital broadcasting, a plurality of contents can be broadcast simultaneously on the same frequency channel of the same broadcasting station, and information for identifying these services is a service ID. The PID (Packet Identifier) of the PMT is specified by this service ID. In the PMT, PIDs such as video and audio constituting the program are described.

  4A and 4B show the channel list 300a or 300b that can be used in this embodiment, and FIG. 4C schematically shows a configuration example of the electronic program guide (EPG) 400 in a table format. Hereinafter, the channel list 300a or 300b is generally referred to as the channel list 300 unless otherwise distinguished.

  The channel list 300a in FIG. 4A includes a frequency (that is, a physical channel number) of a service of a plurality of broadcasting stations that can be received for each region such as Kanto, Chukyo, and Kinki, a broadcasting station name (a broadcasting company name), A remote control ID, a service ID (SID: service_id), a series ID (affiliation_id), and the like are described. The channel list 300b in FIG. 4B includes a network ID (NID) instead of the service ID, and the other is the same as the channel list 300a. In the present embodiment, when the terminal 20 installs an application for using the media activation description, such a channel list 300 for a plurality of regions is stored in advance in a memory (for example, the flash memory 208). Alternatively, a receivable broadcast is received by changing the area or periodically scanning the frequency, and the contents of the channel list 300 are acquired and stored in the memory.

The network ID (network identification; network_id) is a value calculated by the following formula as defined in ARIB TR-B14 “terrestrial digital television broadcast operation rules”.
network_id = 0x7FF0-0x0010x Regional identification + Regional business operator identification (service_id)-0x400x Multi-country flag ..... (1)

Prefectural compound flag indicates 1 or 2 TS in the area and 1 for 2TS
This is a flag used to indicate the first TS or the second TS.
The area identification indicates the broadcasting area of the broadcasting station.
network_id can be obtained from equation (1) based on service_id in the media activation description and the region identification of the current region of the mobile phone terminal.
For example, in the case of a NHK general TV-type service in Tokyo, area identification = 1, service_id = 0x400, and prefecture county flag = 0, and by substituting these values into equation (1), network_id = 7FE0 is obtained. .
A correspondence list between network_id (one) and service_id (one or more) may be used.

  Note that the current region to which the terminal belongs is determined based on the EPG of the region received from the broadcasting station on the spot, a location search service using a mobile phone network, or a global positioning system (GPS) receiver. This can be confirmed by using (not shown). Instead of the channel lists 300a and 300b in FIGS. 4A and 4B, it is also possible to use a channel list that includes all items of both channel lists, that is, includes both SID and NID.

  The EPG 400 shown in FIG. 4C is electronic program guide data that is sequentially and periodically received by broadcast waves (or via a network) and held in a memory (for example, the RAM 202 or the flash memory 208). It shows what programs are broadcast at each date and time in ID units.

  Next, FIG. 5A shows the syntax of the media activation description used in this embodiment, and FIG. 5B shows an example of the media activation description. As shown as “Media Scheme”, the media activation description is composed of an identifier (“media:” media colon) indicating a media activation description, a broadcaster, and options. The broadcaster includes identification information (MediaType) and country code of the target media (TV, radio, etc.). The MediaType for a one-segment television set, that is, a digital television terrestrial portable receiver is “DTVTR-C”. The country code and option specifications are as shown. In this embodiment, “option” includes physical channel (p_channel), service ID (service_id), service ID list (service_id_list), start date / time (stime), end date / time (etime), title (title), provider name. (Provider_name), broadcast station ID (affiliation_id), and the like are defined. The specifications of these items are as shown in FIG.

  FIG. 5B shows a specific example of the media activation description. In this example, Japanese 1Seg TV, physical channel = 13, service ID = 0001, start date / time = September 29, 2006, 20:00:00, end date / time = September 29, 2006, 22:00, title , And the name of the provider.

  With reference to FIG. 6, the sequence ID (affiliation_id) of the broadcasting station will be described. A series is a group of private broadcasting stations all over Japan divided into highly relevant groups. Currently, there are JNN series, NTV series, FNN series, ANN series, TX series, and independent series in Japan. . National broadcast programs are often broadcast from key stations via broadcast stations belonging to the same series. The service IDs of the broadcasting stations for each series are associated with each other and stored in the memory in the terminal 20.

FIG. 7A shows a specific example in which a media activation description is included in an anchor tag that can be included in a document described in a markup language such as HTML constituting a Web page or a mail message. An anchor tag <a href =. . . >. . . </a>
Start tag <a href =. . . > Indicates an identifier (“media:”) indicating media activation description, identification information of activation target media (television, radio, etc.), channel information, service ID (service_id), start date (time), end Date and time (time) and program title (title) are included.

  As shown in FIG. 7A, when the media activation description 50 is described in a predetermined document (for example, an email received document or a Web page), an application such as a mailer or a browser interpreting the document The anchor tag of the media activation description is interpreted, and the anchor point (link) 52 is displayed on the display screen as shown in FIG. When the user designates the anchor point 52, the application executes a predetermined operation. For example, in the example of FIG. 7A, if the user gives an instruction at an arbitrary time between the start date and time (time) and the end date and time (etime) of the designated program, the media (the television 53 in the figure) is immediately displayed. To display the specified channel.

  If instructed before the start date (time) of the designated program, as shown in FIG. 7C, a screen for accepting a recording reservation or viewing reservation for the program may be displayed. Alternatively, although not shown, the start date and time of the designated program may be displayed and the process may be terminated. Alternatively, the arrival of the start date and time may be monitored, and an alarm display or the like may be performed immediately before the user.

  Further, if the instruction is given after the end date and time of the program, a predetermined message such as “This program has ended” may be displayed as shown in FIG.

  FIG. 8 is a flowchart showing a processing example based on the media activation description in the terminal 20 of the present embodiment.

  The terminal 20 performs activation determination based on the media activation description at a predetermined opportunity (S11). The predetermined opportunity is, for example, a user instruction for the link as described above, a time of receiving a mail, or the like. First, it is checked whether or not “time” is described in the media activation description (S12). If there is a description of “time” and the date and time is in the future from the present time, the presence or absence of “time” is checked (S13). If there is a description of “time” and it is later than “time”, the channel and date and time are registered in the scheduler (S14), and a screen as shown in FIG. A program viewing reservation (or recording reservation) is made (S15). There is a description of “time”, but if it is earlier than “time”, it is an incorrect description of the activation description. If there is no description of “time”, the reservation process has only incomplete information, so the user The EPG program is presented to the user and reservation processing based on the user instruction is performed (S16).

  In step S12, if there is a description of “time” but it is past from the present, or if there is no description of “time” itself, the presence or absence of “time” is checked (S17). If there is a description of “time” and it is later than “time”, or if there is no description of “time”, a process of immediately starting the TV application (TV application) is executed (S18). Details of this will be described later. Either the process of step S18 is automatically performed or the confirmation of the user is performed. If “time” is described in step S17 but it is past from the present, a screen as shown in FIG. 7D is displayed and TV watching time-out processing is executed (S19).

  FIG. 9 is a flowchart illustrating an operation example of the viewing reservation process in the terminal 20.

  In the above-described viewing reservation process S15, when a predetermined time (for example, 5 minutes before) the set time (typically time) is reached (S21), the media activation description is confirmed (S22). If the service ID “service_id” is described in the media activation description (S23, Yes), then it is checked whether or not the physical channel “p_channel” is described (S24). If there is a description of “p_channel”, the channel list of the current region (FIG. 4A) is referred to (S25). If there is a combination of the service ID “service_id” and physical channel “p_channel” in the channel list 300a, the physical channel is determined to be a designated channel, and designated channel tuning processing is executed (S26). When the channel list 300b using “network_id” is used, “service_id” in the media activation description is converted to “network_id” as described above, and the “network_id” is included by referring to the channel list. Check if it is.

  If there is no combination of the service ID “service_id” (or “network_id”: the same applies hereinafter) and the physical channel “p_channel” in the channel list, the EPG program is presented to the user and channel selection is performed based on the user's instruction ( S27). However, in this case, if only the service ID “service_id” is found in the channel list, the physical channel “p_channel” is ignored and the physical channel corresponding to the service ID “service_id” is obtained from the channel list. This may be selected as a designated channel. Alternatively, when there is no combination of the service ID “service_id” and the physical channel “p_channel” in the channel list, if any of them exists in the channel list, the channel selection may be performed accordingly.

  If the physical channel “p_channel” is not described in step S24 (the service ID “service_id” is described), the channel list is referred to in the same manner as in step S25 (S29), and the service ID “service_id” is the channel. If it is found in the list, channel selection processing is performed with the physical channel corresponding to the service ID as the designated channel (S30). If the service ID “service_id” is not found in the channel list, an EPG program is presented and channel selection or the like based on the user's instruction is performed (S32).

  If the service ID “service_id” is not described in step S23, it is checked whether or not the service ID list “service_id_list” is described (S28). If there is a description of the service ID list “service_id_list”, the process proceeds to the channel list in step S29 described above. Here, when any service ID “service_id” described in “service_id_list” is found in the channel list, a channel selection process is performed using the physical channel corresponding to the service ID as a designated channel (S30). If not found, the EPG program selection process or the like is executed in step S32.

  If the service ID list “service_id_list” is not described in step S28, it is checked whether or not the sequence ID “affiliation_id” is described (S31). If there is a description of the sequence ID “affiliation_id”, the process proceeds to the channel list in step S29 described above. Here, when the sequence ID “affiliation_id” is found in the channel list, the channel selection process is performed with the corresponding physical channel as the designated channel (S30). If not found, the EPG program selection process or the like is executed in step S32.

  If there is no description of the sequence ID “affiliation_id” in step S31, an EPG program selection process or the like is executed in step S32.

  The viewing reservation process is as described above, but the same applies to the recording reservation process.

  FIG. 10 is a flowchart illustrating an operation example of the TV application immediate activation process in the terminal 20.

  In the TV application immediate activation process S18 described above, first, a media activation description is confirmed (S41). If service ID “service_id” is described in the media activation description (S42, Yes), it is checked whether or not physical channel “p_channel” is described (S43). If there is a description of “p_channel”, the channel list of the current region (FIG. 4A) is referred to (S44). If there is a combination of the service ID “service_id” and physical channel “p_channel” in the channel list, the physical channel is determined to be a designated channel, and designated channel tuning processing is executed (S46). If there is no combination of the service ID “service_id” and the physical channel “p_channel” in the channel list, the last channel selected at this terminal is selected (S45). However, in this case, when only the service ID “service_id” is found in the channel list, the physical channel “p_channel” is ignored and the physical channel corresponding to the service ID “service_id” is obtained from the channel list. This may be selected as a designated channel. Alternatively, when there is no combination of the service ID “service_id” and the physical channel “p_channel” in the channel list, if any of them exists in the channel list, the channel selection may be performed accordingly.

  In step S43, if the physical channel “p_channel” is not described (the service ID “service_id” is described), the channel list is referred to (S48), and when the service ID “service_id” is found in the channel list, Channel selection processing is performed using the physical channel corresponding to the service ID as the designated channel (S49). If the service ID “service_id” is not found in the channel list, the last channel is selected (S51).

  In step S42, if the service ID “service_id” is not described in the channel list, it is checked whether or not the service ID list “service_id_list” is described (S47). If the service ID list “service_id_list” is described, the process proceeds to the channel list in step S48 described above. Here, when any service ID “service_id” described in “service_id_list” is found in the channel list, a channel selection process is performed using the physical channel corresponding to the service ID as a designated channel (S49). If not found, the last channel is selected in step S51.

  If the service ID list “service_id_list” is not described in step S47, the presence / absence of the sequence ID “affiliation_id” is checked (S50). If there is a description of the sequence ID “affiliation_id”, the process proceeds to the channel list in step S48 described above. Here, if the sequence ID “affiliation_id” is found in the channel list, the channel selection process is performed with the corresponding physical channel as the designated channel (S49). If not found, the last channel selection is executed in step S51.

  If the sequence ID “affiliation_id” is not described in step S50, the last channel is selected in step S51.

  The processing of the already created media activation description has been described above, but the media activation description itself can be arbitrarily created by the information provider in the text according to the above syntax. However, its creation is not easy for those who have no knowledge or are unfamiliar with it. Therefore, as shown in FIG. 11, when a user wants to invite other users to view a program being viewed on the terminal or a program in the TV program guide, or when viewing a Web page, specific TV program information is presented. The notification mail 68 for notifying the program to another person automatically by the notification mail creating process 63 or the two-dimensional code creating process 64 according to the user's instruction, A two-dimensional code 69 as a symbolized code including the media activation description can be created. The two-dimensional code 69 can capture a media activation description in the terminal based on an image obtained by photographing with a camera unit (not shown) attached to the terminal.

  At this time, what parameters are included in the options of the media activation description may differ depending on the processing and available parameters. Which parameter is used can be determined in advance depending on the type of processing. Alternatively, the creator may select parameters. As described above, when both the service ID and the physical channel are included in the media activation description, the physical channel is included in the example in which the physical channel is selected as the designated channel only when a combination of both is found in the channel list. Depending on whether or not, the processing (branch) at the time of activation of the media activation description can be varied. That is, by including a physical channel, it is possible to automatically select a designated channel only for a user in a specific region.

  In the present invention, a program is indirectly specified from an appropriate physical channel and reproduction start date and time, and the program itself is not directly specified. Therefore, the present invention does not deal with the case where the broadcast start date and time of the program differs depending on the region, but the program can be specified by simple control using available information.

  The preferred embodiments of the present invention have been described above, but various modifications and changes other than those mentioned above can be made.

  For example, although the terminal is assumed to be a portable terminal, the present invention can also be used in a fixed terminal if it has at least a television broadcast receiving function.

  Further, when a channel list using a network ID is used, the network ID is obtained based on the service ID found in the media activation description. However, the network ID itself can be included in the media activation description. It is.

  The example in which the sequence ID is included in the channel list has been described. However, when the channel ID is not included in the channel list, the sequence ID information in which the service IDs of a plurality of broadcasting stations are associated with one sequence ID is stored as belonging to the same sequence. Means may be provided in the terminal. In this case, when the control unit activates the broadcast receiving unit based on the media activation description, if neither the service ID nor the service ID list is described in the media activation description, When a sequence ID is included in the stored sequence ID information, a physical channel to be selected can be specified based on physical channel information corresponding to a service ID belonging to the sequence ID.

It is a figure which shows schematic structure of the system containing the terminal device in embodiment of this invention. FIG. 2 is a diagram illustrating a schematic hardware configuration example of a terminal illustrated in FIG. 1. It is a figure for demonstrating the service transmission model of terrestrial digital broadcasting. It is a figure which shows typically the structural example of the channel list (a) (b) and electronic program guide (EPG) (c) used by embodiment of this invention in a table format. It is a figure which shows the syntax (a) of the media starting description used in embodiment of this invention, and an example (b) of the media starting description. It is a figure for demonstrating the series (affiliation_id) of a broadcasting station. It is a figure for demonstrating the specific example of the media starting description in embodiment of this invention. It is a flowchart showing the example of a process based on the media starting description in the terminal of embodiment of this invention. It is a flowchart which shows the operation example of the viewing-and-listening process in the terminal of embodiment of this invention. It is a flowchart which shows the operation example of the television application immediate starting process in the terminal of embodiment of this invention. It is a figure for demonstrating the automatic creation process of the media starting description in embodiment of this invention.

Explanation of symbols

DESCRIPTION OF SYMBOLS 10 ... Communication network 20, 20a, 20b ... Terminal, 30, 30a, 30b ... Broadcasting station, 40 ... Server, 50 ... Media activation description, 52 ... Anchor point, 53 ... Television, 63 ... Notification mail creation processing, 64 ... Two-dimensional code creation processing, 68 ... notification mail, 69 ... two-dimensional code, 300, 300a, 300b ... channel list, 400 ... electronic program guide (EPG)

Claims (13)

Broadcast receiving means for receiving and reproducing broadcasts;
Means for storing a channel list in which at least one of a service ID of a broadcasting station that can be received in at least a current area and a network ID corresponding to at least one of the service IDs is associated with a physical channel;
Control means for interpreting and executing a medium activation description including at least information for identifying a medium and a channel to be activated and reproduction start date and time information;
When the control unit activates the broadcast receiving unit based on the media activation description, a service ID that can be included in the media activation description can be included in the service ID that can be included in the channel list or the channel list. When corresponding to at least one of the service IDs corresponding to the network ID, the physical channel to be selected is identified based on the physical channel information corresponding to the service ID,
Furthermore, when a service ID list that defines a plurality of service IDs capable of receiving a reception target program is described in the media activation description, any of the service IDs included in the service ID list Is at least one of a service ID that can be included in the channel list or a service ID that corresponds to a network ID that can be included in the channel list, based on physical channel information corresponding to the service ID, A broadcast receiving terminal device characterized by specifying a physical channel to be selected.   When the channel list includes a network ID corresponding to a physical channel, the control means obtains a network ID corresponding to the service ID based on the service ID in the media activation description, and the network in the channel list The broadcast receiving terminal device according to claim 1, wherein a physical channel to be selected is specified based on physical channel information corresponding to the ID.   The channel list further includes a sequence ID corresponding to each physical channel, and when the control unit activates the broadcast receiving unit based on the media activation description, a service ID and a service ID list are included in the media activation description. In the case where none of the above is described but the sequence ID is described, when this sequence ID is included in the channel list in the current region, the channel ID is selected based on the physical channel information corresponding to this sequence ID. The broadcast receiving terminal device according to claim 1 or 2, wherein a physical channel to be specified is specified.   When the service ID and physical channel information are described in the media activation description, the control means, when a combination of both is included in the channel list in the current region, based on the physical channel information, The broadcast receiving terminal device according to claim 1 or 2, wherein a physical channel to be selected is specified.   In the case where a service ID and physical channel information are described in the media activation description, the control means corresponds to the service ID when only the service ID is included in the channel list in the current region. The broadcast receiving terminal device according to claim 1 or 2, wherein a physical channel to be selected is specified based on physical channel information.   When the service ID and physical channel information are described in the media activation description, the control means includes only the physical channel information included in the channel list in the current region. The broadcast receiving terminal device according to claim 1 or 2, wherein a physical channel to be selected is specified based on the channel.   When the service ID is described in the media activation description and the physical channel information is not described, the control means, when the service ID is included in the channel list, the physical corresponding to the service ID The broadcast receiving terminal device according to claim 1 or 2, wherein a physical channel to be selected is specified based on channel information. A means for acquiring an electronic program guide including broadcast program information of the current region is provided,
The control means presents the electronic program guide to the user when the physical channel to be selected cannot be specified based on the media activation description and the channel list during the processing based on the broadcast reception reservation processing. The broadcast receiving terminal device according to any one of claims 1 to 7, wherein the channel is selected. Means for storing the last selected physical channel information;
The control means selects the last selected physical channel when the physical channel to be selected cannot be specified based on the media activation description and the channel list during immediate broadcast reception processing. Item 8. The broadcast receiving terminal device according to any one of Items 1 to 7.   10. The media activation description according to claim 1, wherein the media activation description is included in any of a message, data described in a markup language, received data broadcast data, and read data of a coded code. The broadcast receiving terminal device according to any one of the above. Broadcast receiving means for receiving and reproducing broadcasts, a channel list in which at least one of a service ID of a broadcasting station that can be received in at least the current area and a network ID corresponding to at least one of the service IDs is associated with a physical channel. A computer program executed by a broadcast receiving terminal device having means for storing,
Interpreting a media activation description including at least information for identifying a media and channel to be activated and reproduction start date and time information;
As a result of interpretation, when activating the broadcast receiving means, referring to the channel list according to the presence or absence of service ID and physical channel information that can be included in the media activation description, identifying a physical channel to be selected;
If a service ID is not described in the media activation description and a service ID list defining a plurality of service IDs capable of receiving a program to be received intended in the media activation description is described, this service When any of the service IDs described in the ID list is included in the channel list in the current region, the step of specifying the physical channel to be selected based on the physical channel information corresponding to the service ID A computer program that causes a computer to execute and.   When the channel list includes a network ID corresponding to a physical channel, a network ID corresponding to the service ID is obtained based on the service ID in the media activation description, and a physical corresponding to the network ID in the channel list is obtained. 12. The computer program according to claim 11, wherein a physical channel to be selected is specified based on channel information.   When a service ID is not described in the media activation description and a sequence ID is described, when this sequence ID is included in the channel list of the current region, physical channel information corresponding to the sequence ID is included in the physical channel information. 13. The computer program according to claim 11 or 12, which causes a computer to execute a step of specifying a physical channel to be selected based on the computer program.

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