JP5601676B2 - Receiving terminal, broadcast providing system, receiving terminal control method, and broadcast providing method - Google Patents

Description

  The present invention relates to a receiving terminal, a broadcast providing system, a receiving terminal control method, and a broadcast providing method.

  2. Description of the Related Art Conventionally, it has been proposed to receive broadcast waves via an antenna and watch broadcasts using a mobile phone or the like. In recent years, with the development of the Internet, there has been proposed one that can acquire broadcast data via a network such as the Internet and view the broadcast. However, since broadcasting restricts areas where radio waves can be heard by law, there has been a problem of how to limit the area where radio waves can be heard. As a conventional technique for solving such a problem, techniques described in Patent Document 1 and Patent Document 2 have been proposed.

  The prior art of Patent Document 1 is such that video information is received by a receiving device and transitions to a state in which video information can be viewed only when the receiving device is within the viewing target area. Further, the prior art of Patent Document 2 is to permit output of a broadcast terminal when the broadcast terminal acquires video information and the area of the broadcast terminal is an area where viewing of the video information is permitted.

JP 2008-182604 A JP 2008-288814 A

  However, in the prior art described in Patent Documents 1 and 2, since users who view the broadcast are restricted from viewing immediately after receiving the broadcast data, they have been looking forward to it because they can view it. However, there was a problem that the previous operation was wasted.

  Accordingly, the present invention has been made in view of the above problems, and is a receiving terminal, a broadcast providing system, and a control of the receiving terminal that are capable of restricting broadcast data reproduction without impairing the expectation of a user who views the broadcast. It is an object to provide a method and a broadcast providing method.

In order to solve the above-described object, the broadcast providing system of the first aspect of the invention provides geographic information acquisition means for acquiring the geographic information of the current location of the receiving terminal, and transmits the geographic information to the control server to obtain the geographic information. A list acquisition unit that acquires a list of broadcast stations that can be viewed based on broadcast, a program guide acquisition unit that acquires program guide data of a broadcast station selected from the broadcast station list, and displays the program guide data, includes a request unit for requesting the delivery of the program data of the selected program from the said program guide data, and reproduction control means for reproducing controlling the program data receiving streaming program data said selection, wherein If the list of broadcasting stations corresponding to the geographical information current position of the geographic information obtaining unit the receiving terminal obtains from the broadcast station list does not exist, the control server, the current of the receiving terminal The neighbor list and the neighboring geographic information of the broadcast station that can be viewed by spatial point geographic information transmitted to the receiving terminal, a transition to a viewable state by moving to the neighboring area, the Internet A broadcast providing system for providing broadcast data via the location information , wherein the geographic information acquisition means acquires location information of the receiving terminal according to either the IP address of the router or the installation location of the router, and For determining the geographical information of the receiving terminal based on the IP address of the router, the IP address of the router used by the receiving terminal via an antenna is obtained, and the geographical information of the receiving terminal and The geographic information of the receiving terminal is determined using a first geographic information determination table associated with the IP address of the router The determination of the geographical information of the receiving terminal based on the installation position of the router uses a second geographical information determination table in which the geographical information of the receiving terminal and the installation position of the router are associated, and the installation of the router Using the fact that the position is known in advance, the geographical information of the receiving terminal is determined from the installation position of the router used by the receiving terminal. According to the present invention, since a list of broadcast stations that can be viewed is provided to the user, the received broadcast can be viewed without fail. As a result, viewing is not restricted immediately after receiving the broadcast data, so that the expectation of the user who desires viewing is not impaired.

In the first invention, the broadcast data is radio broadcast data. ADVANTAGE OF THE INVENTION According to this invention, the opportunity which can view the radio broadcast which is not heard much now can be given. If there is no list of broadcast stations corresponding to the geographic information of the receiving terminal acquired by the geographic information acquiring means from the broadcasting stations stored in the broadcasting station storage means, A list of broadcast stations that can be viewed according to the information and the neighboring geographical information are transmitted to the receiving terminal, and transition to a viewable state is made by moving to the neighboring area. According to the present invention, a user can know and watch a broadcast station that can be viewed by moving to a nearby area.

  In the first invention, the reproduction control means limits the distribution request for the program data based on the geographical information acquired by the geographical information acquisition means. According to the present invention, even if the position of the receiving terminal has moved to a position where the program cannot be viewed, the distribution request for program data can be limited.

  In the first invention, the geographic information acquisition means newly acquires the geographic information at predetermined time intervals, and the reproduction control means reproduces the program data based on the newly acquired geographic information. Limit. According to the present invention, viewing of a program can be restricted when the program data is acquired and then moved to a position where the broadcast program data cannot be viewed.

  In the first invention, the geographic information acquisition means acquires the location information of the receiving terminal, specifies the geographic location of the receiving terminal based on the acquired location information of the receiving terminal, and Determine geographic information. According to the present invention, since the geographical position corresponding to the broadcasting station is specified on the receiving terminal side, processing on the server side is reduced.

  In the first aspect of the invention, the geographical information acquisition means is based on any one of GPS, mobile base station, router IP address, and WiFi router installation position indicating that the interconnection between wireless LAN devices has been authenticated. The location information of the receiving terminal is acquired and the geographic information of the receiving terminal is determined.

  In the first invention, the geographical information acquisition means divides a predetermined area into a grid shape, specifies a position in the grid from position information of the receiving terminal, and enters the geographical area corresponding to the specified grid. The geographic information is determined by determining that the receiving terminal exists. According to the present invention, a detailed area can be specified.

  In the first invention, the geographic information acquisition means determines the geographic information by determining that the receiving terminal exists in the geography corresponding to the circle with the location information of the receiving terminal as the center of the circle. According to the present invention, it is possible to speed up the process of determination within a specific area according to the size of a circle.

In order to solve the above-described problems, the broadcast providing system of the present invention associates in advance an input means for inputting program guide data of a broadcast station, a broadcast station capable of receiving broadcasts based on the geographical information, and the geographical information. Broadcast station storage means for storing, geographic information acquisition means for acquiring geographic information of the current location of the receiving terminal from the receiving terminal , and the geographical information acquisition means acquired from the broadcasting stations stored in the broadcasting station storage means wherein the list transmitting unit, the program guide data of the broadcasting station selected by the receiving terminal from among the broadcast station list to send the current broadcast station list corresponding to the geographic information of the point of the receiving terminal has to the receiving terminal A program guide transmitting means for transmitting to the receiving terminal; a request means for displaying the program guide data and requesting distribution of program data of a program selected from the program guide data; and the selected number Reproduction control means for receiving reproduction of the data stream and controlling the reproduction of the program data, and corresponding to the geographical information of the current location of the receiving terminal acquired by the geographical information acquisition means from the broadcast station list When there is no list of broadcast stations, a list of broadcast stations that can be viewed according to geographic information of the neighboring location of the current location of the receiving terminal and the neighboring geographic information are transmitted to the receiving terminal, and the neighboring area The broadcast providing system provides the broadcast data via the Internet to the receiving terminal that reproduces the broadcast data, which transitions to a viewable state by moving to, wherein the geographical information acquisition means includes a router The location information of the receiving terminal is obtained by either the IP address or the installation position of the router to determine the geographical information of the receiving terminal, and the router For determining the geographical information of the receiving terminal based on the IP address of the receiving terminal, the IP address of the router used by the receiving terminal via an antenna is obtained, and the geographical information of the receiving terminal and the IP address of the router are obtained. Using the associated first geographic information determination table, the geographic information of the receiving terminal is determined. Regarding the determination of the geographic information of the receiving terminal according to the installation position of the router, the geographic information of the receiving terminal and the router Using the second geographic information determination table in association with the installation position, and using the fact that the installation position of the router is known in advance, the reception from the installation position of the router used by the receiving terminal Determine the geographical information of the terminal.

  According to the present invention, since a list of broadcast stations that can be viewed is provided to the user, the received broadcast can be viewed without fail. As a result, viewing is not restricted immediately after receiving the broadcast data, so that the expectation of the user who desires viewing is not impaired.

  In the second invention, the broadcast data is radio broadcast data. ADVANTAGE OF THE INVENTION According to this invention, the opportunity which can view the radio broadcast which is not heard much now can be given.

  In the second invention, when the list transmission means does not have a list of broadcast stations corresponding to the geographical information of the receiving terminal acquired by the geographical information acquisition means from the broadcast stations stored in the broadcast station storage means. A list of broadcast stations that can be viewed according to geographic information of the neighbor of the geographical information of the receiving terminal and the geographical information of the neighbor are transmitted to the receiving terminal. According to the present invention, a user can know a broadcasting station that can be viewed by moving to a nearby area.

According to a third aspect of the present invention, there is provided a broadcast providing method of acquiring geographical information of a current location of a receiving terminal , and transmitting the geographical information to a control server so that broadcast data can be viewed based on the geographical information. A list acquisition step of acquiring a list of broadcast stations, a program guide acquisition step of acquiring program guide data of a broadcast station selected from the broadcast station list, and displaying the program guide data, from among the program guide data A requesting step for requesting distribution of the program data of the selected program, and a reproduction control step for controlling the reproduction of the program data upon receiving the stream distribution of the selected program data. If there is no list of broadcast stations corresponding to the geographic information of the current location of the receiving terminal acquired in the geographic information acquisition step, the control server A list of broadcasting stations that can be viewed according to neighboring geographical information of the geographical information of the point and the neighboring geographical information are transmitted to the receiving terminal, and the state transitions to a viewable state by moving to the neighboring area. The geographical information obtaining step obtains location information of the receiving terminal according to either the IP address of the router or the installation position of the router, and provides the geographical data of the receiving terminal. For determining the geographical information of the receiving terminal based on the IP address of the router, the IP address of the router used by the receiving terminal via an antenna is obtained, and the geographical information of the receiving terminal and The geographic information of the receiving terminal is determined using a first geographic information determination table associated with the IP address of the router The determination of the geographical information of the receiving terminal based on the installation position of the router uses a second geographical information determination table in which the geographical information of the receiving terminal and the installation position of the router are associated, and the installation of the router Using the fact that the position is known in advance, the geographical information of the receiving terminal is determined from the installation position of the router used by the receiving terminal.

  According to the present invention, since a list of broadcast stations that can be viewed is provided to the user, the received broadcast can be viewed without fail. As a result, viewing is not restricted immediately after receiving the broadcast data, so that the expectation of the user who desires viewing is not impaired. In the third invention, the broadcast data is preferably radio broadcast data.

In the third invention, when there is no list of broadcast stations corresponding to the geographic information of the receiving terminal acquired by the geographic information acquiring means from the broadcasting stations stored in the broadcasting station storage means, It is possible to transition to a viewable state by transmitting a list of broadcasting stations that can be viewed according to the geographic information and neighboring geographic information to the receiving terminal and moving to a neighboring area . The reproduction control step restricts the distribution request for the program data based on the acquired geographic information. According to the present invention, even if the position of the receiving terminal has moved to a position where the program cannot be viewed, the distribution request for program data can be limited.

  In the third invention, the geographic information acquisition step includes a step of newly acquiring the geographic information at predetermined time intervals, and the reproduction control step includes the program based on the newly acquired geographic information. Including the step of limiting the playback of the data. According to the present invention, viewing of a program can be restricted when the program data is acquired and then moved to a position where the broadcast program data cannot be viewed.

  In the third invention, the geographic information acquisition step acquires the location information of the receiving terminal, specifies the geographic location of the receiving terminal based on the acquired location information of the receiving terminal, and Determining geographic information. According to the present invention, since the geographical position corresponding to the broadcasting station is specified on the receiving terminal side, processing on the server side is reduced.

  In the third aspect of the invention, the geographic information acquisition means is based on any one of GPS, mobile base station, router IP address, and WiFi router installation position indicating that the interconnection between wireless LAN devices has been authenticated. Obtaining location information of the receiving terminal and determining geographic information of the receiving terminal.

  In the third aspect of the invention, the geographical information acquisition step divides a predetermined area into a grid shape, specifies a position in the grid from position information of the receiving terminal, and enters the geographical area corresponding to the specified grid. Determining that the receiving terminal is present and determining the geographic information. According to the present invention, a detailed area can be specified.

  In the third aspect of the invention, the geographical information acquisition step includes the step of determining the geographical information by determining that the receiving terminal exists in the geography corresponding to the circle with the position information of the receiving terminal as the center of the circle. Including. According to the present invention, it is possible to speed up the process of determination within a specific area according to the size of a circle.

According to a fourth aspect of the present invention, there is provided a broadcast providing method comprising: an input step of inputting program guide data of a broadcast station; and a broadcast station storage step of preliminarily associating and storing geographical information and a broadcast station that can be permitted to receive broadcasts by the geographical information When the geographic information acquiring step of acquiring the current geographic information point of the receiving terminal from the receiving terminal, geography of the receiving terminal acquired by the geographic information acquiring step from the broadcasting station stored in the broadcast station storage step A list transmission step of transmitting a list of broadcast stations corresponding to the information to the receiving terminal; and a program guide transmitting step of transmitting program guide data of the broadcast station selected by the receiving terminal from the broadcast station list to the receiving terminal. A requesting step for displaying the program guide data and requesting distribution of program data of a program selected from the program guide data; and And a playback control step of controlling the playback of the program data upon receiving the stream distribution of the data, corresponding to the geographic information of the current location of the receiving terminal acquired in the geographic information acquisition step from the broadcast station list When there is no list of broadcast stations, a list of broadcast stations that can be viewed according to geographic information of the neighboring location of the current location of the receiving terminal and the neighboring geographic information are transmitted to the receiving terminal, and the neighboring area The broadcast providing method of providing the broadcast data via the Internet to the receiving terminal that reproduces the broadcast data, which transitions to a viewable state by moving to, wherein the geographical information acquisition step includes: The location information of the receiving terminal is obtained by either the IP address or the installation location of the router to determine the geographic information of the receiving terminal, and the route For determining the geographical information of the receiving terminal based on the IP address of the router, the IP address of the router used by the receiving terminal via an antenna is obtained, and the geographical information of the receiving terminal, the IP address of the router, and The geographic information of the receiving terminal is determined by using the first geographic information determination table associated with each other, and the geographic information of the receiving terminal is determined based on the installation position of the router. Using the second geographic information determination table associated with the installation position of the router, and using the fact that the installation position of the router is known in advance, from the installation position of the router used by the receiving terminal Determine the geographic information of the receiving terminal.

  According to the present invention, since a list of broadcast stations that can be viewed is provided to the user, the received broadcast can be viewed without fail. As a result, viewing is not restricted immediately after receiving the broadcast data, so that the expectation of the user who desires viewing is not impaired. In the fourth invention, the broadcast data is radio broadcast data.

  In the fourth invention, when the list transmission step does not include a list of broadcasting stations corresponding to the geographic information of the receiving terminal acquired by the geographic information acquiring means from the broadcasting stations, A list of broadcasting stations that can be viewed according to neighboring geographic information and the neighboring geographic information are transmitted to the receiving terminal. According to the present invention, a user can know a broadcasting station that can be viewed by moving to a nearby area.

  According to the present invention, it is possible to provide a receiving terminal, a broadcast providing system, a receiving terminal control method, and a broadcast providing method capable of restricting broadcast data reproduction without impairing the expectation of a user who views the broadcast.

1 is a schematic diagram of a system according to an embodiment of the present invention. It is a block diagram of the receiving terminal which concerns on embodiment of this invention. It is a broadcasting station table of a broadcasting station. It is a figure which shows a broadcast station list table. It is the geographic information determination table using GPS. It is a sequence diagram which shows the operation | movement procedure of the system which concerns on embodiment of this invention. It is a transmission process flowchart of the program schedule of a control server. It is an operation | movement flowchart of the receiving terminal which concerns on embodiment of this invention. It is a figure which shows the screen of a receiving terminal. It is a process flowchart which determines the geographic information of the receiving terminal which concerns on embodiment of this invention. It is a process flowchart of the reproduction | regeneration control of a receiving terminal. It is a processing flowchart of a sound source distribution server. It is another example of a geographic information determination table. It is another example of a geographic information determination table. It is another example of a geographic information determination table. It is a figure for demonstrating the determination process of an area | region boundary.

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

  FIG. 1 is a schematic diagram of a system according to an embodiment of the present invention. The broadcast providing system 1 provides radio broadcast data via the Internet to a receiving terminal 100 that reproduces radio broadcast data. As shown in FIG. 1, the broadcast providing system 1 includes a receiving terminal 100, a sound source distribution server 200, a broadcasting station WEB server 300, and a control server 400. These are connected via the Internet 600.

  The receiving terminal 100 has a function as a mobile phone and a function of reproducing radio broadcast data received via the Internet 600.

  The broadcast station WEB server 300 has a memory that stores program guide data to be broadcast. This broadcast station WEB server 300 may be provided for each broadcast station. The sound source distribution server 200 distributes radio broadcast program data via the Internet 600 to users who view radio broadcasts.

  The control server 400 controls the broadcast providing system 1. In the memory of the control server 400, geographic information and a broadcasting station capable of broadcasting based on the geographic information are stored in advance in association with each other. A sound source distribution server 200, a broadcast station WEB server 300, a control server 400, a CPU (Central Processing Unit), a RAM (Random Access Memory), a ROM (Read Only Memory), a hard disk device, and the like are provided, and the CPU executes a program. This realizes the function of each server.

  FIG. 2 is a block diagram of a receiving terminal according to the embodiment of the present invention. As shown in FIG. 2, the receiving terminal 100 includes an antenna 101, a radio circuit 102, an audio decoder 103, an incoming sound source generator 104, a mixer 105, D / A converters 106 and 107, amplifiers 108 and 109, and speakers 110 and 111. , Microphone 112, amplifier 113, A / D converter 114, audio encoder 115, antenna 116, broadcast receiving circuit 117, multiple signal separator 118, audio decoder 119, video decoder 120, data broadcast processing unit 121, display control unit 122 , A display unit 123, an MPU (micro processing unit) 124, and a GPS antenna 130.

  The antenna 101 is for performing voice communication for transmitting and receiving voice signals by mobile wireless communication and network communication for browsing a site on the Internet 600. The sound source distribution server 200 and the control server 400 on the Internet 600 are accessed via the antenna 101. The wireless circuit 102 functions as a wireless circuit for a mobile phone. The audio decoder 103 decodes a received signal by mobile radio communication and converts it into an uncompressed digital audio signal.

  The incoming sound source generation unit 104 generates a digital incoming sound source signal for notifying incoming calls. The mixer 105 mixes the digital incoming sound source signal and the radio digital audio signal output from the audio decoder 119. The D / A converters 106 and 107 convert the digital audio signal into an analog audio signal. The amplifiers 108 and 109 amplify the analog signal. The speakers 110 and 111 amplify the amplified audio signal. The microphone 112 inputs a user's voice. The A / D converter 114 converts the amplified analog audio signal into a digital audio signal. The audio encoder 115 encodes the digital audio signal.

  Next, the radio broadcast receiving function will be described. The antenna 116 is for receiving digital broadcasting. The broadcast receiving circuit 117 selects a channel of a designated broadcast station and extracts a multiplexed signal called a TS (Transport Stream) signal. The multiplexed signal separator 118 separates audio, video, and data broadcast signals from the extracted multiplexed signal. The audio decoder 119 decodes the separated audio signal and converts it into an uncompressed digital audio signal. The video decoder 120 decodes the separated video signal and converts it into an uncompressed digital video signal. The data broadcast processing unit 121 processes the separated data broadcast signal.

  The display control unit 122 controls the video displayed on the display unit 123 by separating the color signal and the luminance signal from the digital broadcast signal output from the video decoder 120. The MPU 124 is a microprocessor unit, and has a function of controlling the whole part, a function of reproducing a radio broadcast received via the Internet, and position information of the receiving terminal via the GPS antenna 130 and the like. Control the function of specifying the geographical location of

  Next, a broadcasting station table of a certain broadcasting station will be described. FIG. 3 is a broadcasting station table of broadcasting station A. This broadcast station table is stored in the broadcast station WEB server 300. The control server 400 stores the program guide data acquired from the broadcast station WEB server 300 in a memory. Here, the program table includes programs A to F broadcast by the broadcasting station A.

  Next, the broadcast station list table will be described. FIG. 4 is a diagram showing a broadcast station list table. This broadcast station list table is stored in the control server 400 in advance. The control server 400 stores in advance the geographic information and broadcast stations that can be permitted to receive broadcasts based on the geographic information. For example, in area A and area B, viewing of broadcasting by broadcasting station a is permitted, and in area B, viewing of broadcasting by broadcasting station b is permitted.

  The control server 400 refers to the broadcast station list table and the geographic information received from the receiving terminal 100, and searches for broadcast stations capable of broadcasting based on the geographic information of the receiving terminal 100 to create a broadcast station list. For example, when the control server 400 receives geographical information of the area A from the receiving terminal 100, the control server 400 creates a broadcasting station list including the broadcasting stations a and d that are permitted to broadcast in the area A, and receives the receiving terminal 100. Send to.

  Next, a geographic information determination table using GPS will be described. FIG. 5 is a geographic information determination table using GPS. This geographic information determination table is stored in advance in the MPU 124 of the receiving terminal 100. In this geographic information determination table, geographic information (region A to region Z), a range of latitude information, and a range of longitude information are associated. The receiving terminal 100 determines the geographic information of the receiving terminal 100 by referring to the geographic information determination table based on the positional information including the latitude information and the longitude information acquired by the MPU 124 via the GPS antenna 130.

  For example, if the latitude and longitude information acquired by the MPU 124 via the GPS antenna 130 is within the latitude information and longitude information associated with the region A, the receiving terminal 100 It is determined that the user is in A, and the geographical information of region A is selected. 5 may be downloaded from the control server 400 into the receiving terminal 100 and used.

  FIG. 6 is a sequence diagram showing an operation procedure of the system according to the embodiment of the present invention. The control server 400 requests the program guide data from the broadcast station WEB server 300 (step S101). The broadcast station WEB server 300 transmits the requested program guide to the control server 400 (step S102). As a result, the broadcast station program guide data is input to the control server 400. The receiving terminal 100 acquires the position information of the receiving terminal 100 from the GPS antenna 130, and transmits the geographical position of the receiving terminal 100 to the control server 400 as the geographical information of the receiving terminal (step S103).

  The control server 400 generates a list of broadcast stations that are permitted to receive according to the geographic information of the receiving terminal, and transmits the list to the receiving terminal 100 (step S104). The receiving terminal 100 selects a broadcasting station from the broadcasting station list, and requests the control server 400 for program guide data of the selected broadcasting station (step S105). The control server 400 transmits the program guide data of the broadcasting station selected by the receiving terminal 100 from the list of broadcasting stations to the receiving terminal 100 (step S106). The receiving terminal 100 makes a connection request in order to receive the sound stream from the sound source distribution server 200 (step S107). The sound source distribution server 200 distributes the sound stream of the broadcast station designated in response to the connection request from the receiving terminal 100 (step S108). The receiving terminal 100 reproduces the sound stream distributed from the sound source distribution server 200 in parallel with the display of the program information and the like from the control server 400.

  Next, the program table transmission process of the control server will be described. FIG. 7 is a transmission process flowchart of the program guide of the control server. When the control server 400 receives the geographical information of the receiving terminal from the receiving terminal 100 (YES in step S201), the control server 400 permits the reception using the geographical information of the receiving terminal acquired from the broadcasting stations stored in the control server 400. It is determined whether there is a broadcast station that has been set (step S202).

  When there is a broadcast station whose reception is permitted by geographic information (YES in step S202), control server 400 generates a broadcast station list whose reception is permitted by geographic information and transmits the list to receiving terminal 100. (Step S203). Next, when the control server 400 receives a request for the program guide of the selected broadcasting station from the receiving terminal 100 (YES in step S204), the control server 400 transmits the program guide data of the selected broadcasting station to the receiving terminal 100 (step S205). ).

  In addition, when there is no list of broadcast stations corresponding to the geographic information of the receiving terminal acquired from the broadcasting stations (NO in step S202), the control server 400 can view and listen according to the geographic information in the vicinity of the geographic information of the receiving terminal. A list of possible broadcasting stations and neighboring geographical information are transmitted to the receiving terminal 100 (step S206). For example, when the geographical information of the receiving terminal is in the area Z that does not exist in the table of FIG. 4 and the area near the area Z of the geographical information of the receiving terminal is the area F, viewing is performed by the geographical information of this area F. A list of possible broadcasting stations f and geographic information of the neighboring area F are transmitted to the receiving terminal 100 (step S206). As a result, the user can know the broadcasting stations that can be viewed by moving to a nearby area.

  Next, the operation of the receiving terminal according to the embodiment of the present invention will be described. FIG. 8 is an operation flowchart of the receiving terminal according to the embodiment of the present invention. FIG. 9 is a diagram showing a screen of the receiving terminal. The receiving terminal 100 acquires geographic information in the geographic information acquisition process (step S301). Specifically, the receiving terminal 100 acquires the position information of the receiving terminal by the GPS antenna 130, specifies the geographical position of the receiving terminal with reference to the table of FIG. 5, and determines the geographical information. Next, the receiving terminal 100 transmits geographic information to the control server 400 (step S302).

  The receiving terminal 100 transmits geographic information to the control server 400 and acquires a list of broadcast stations that can be viewed based on the geographic information (step S303). The receiving terminal 100 displays the acquired broadcast station list (step S304). The receiving terminal 100 requests the program guide of the broadcast station selected by the user (step S305). The receiving terminal 100 acquires the program guide data of the broadcasting station selected from the broadcasting station list from the control server 400 (step S306). The receiving terminal 100 displays the program guide of the selected broadcast station (step S307). In FIG. 9, a program (for example, AAAAAAA) of a certain broadcasting station is displayed.

  The receiving terminal 100 selects a program from the program guide of the selected broadcast station (step S308). In the streaming request process, the receiving terminal 100 requests distribution of program data of a program selected from the program guide (step S309). Receiving terminal 100 receives the stream distribution of the selected program and controls the reproduction of the radio program broadcast data (step S310). Note that the receiving terminal 100 limits the program data distribution request when it is determined that the receiving terminal 100 has moved to a different area from the geographical information acquired in step S301. As a result, viewing restriction can be performed after the receiving terminal 100 has moved.

  Next, geographic information determination processing by the receiving terminal will be described. FIG. 10 is a process flowchart for determining geographic information of a receiving terminal according to the embodiment of the present invention. The receiving terminal 100 acquires position information of the receiving terminal 100 at predetermined time intervals via the GPS antenna 130 (step S401). Next, the receiving terminal 100 refers to the table of FIG. 5 and determines the geographical information of the receiving terminal by specifying the geographical position of the receiving terminal based on the acquired position information (step S402). Next, the receiving terminal 100 transmits geographic information to the control server (step S403).

  Next, playback restrictions on the receiving terminal will be described. FIG. 11 is a processing flowchart of playback control of the receiving terminal. Receiving terminal 100 periodically acquires new geographic information within a predetermined period, and when new geographic information is acquired (YES in step S501), reproduction of program data based on the acquired new geographic information. It is determined whether or not restriction is necessary (step S502). If the receiving terminal 100 determines that the reproduction control of the program data is necessary based on the new geographic information (YES in step S502), the receiving terminal 100 controls the output of the program data (step S503). As a result, even if the receiving terminal 100 moves after receiving the radio broadcast program data, program data generation can be restricted.

  Next, processing of the sound source distribution server 200 will be described. FIG. 12 is a processing flowchart of the sound source distribution server. Radio broadcast data transmission server systems include a real-time progressive system and an RTSP streaming server system. Here, processing when the real-time progressive method is adopted will be described.

  The sound source distribution server 200 waits for an HTTP file request from the receiving terminal 100 (step S601). At this time, the receiving terminal requests the latest file of the sound source distribution server 200 with reference to the latest file information on the sound source distribution server 200 side. The sound source distribution server 200 transmits an HTTP file to the receiving terminal 100 according to the request (step S602). At this time, the sound source distribution server 200 sets the file name to 6 digits “000000” to “999999” and returns to “000000” after “999999”. , Which has a large value. ”, The file always has about five files, and the past files that are no longer needed are automatically deleted.

  The receiving terminal 100 performs gapless reproduction when receiving a few files. The receiving terminal 100 receives files one after another on the back. The sound source distribution server 200 ends the process after transmitting all the HTTP files (YES in step S603).

  Next, a geographic information determination table using mobile phone base station information will be described. FIG. 13 is another example of the geographic information determination table. This geographic information determination table is stored in advance in the MPU 124 of the receiving terminal 100. Since the location of the mobile phone base station is known in advance, the approximate location of the receiving terminal 100 can be identified from the mobile phone base station used by the receiving terminal 100. In this geographic information determination table, geographic information (region A to region Z) and mobile phone base station information are associated with each other.

  The receiving terminal 100 acquires information on the base station used via the antenna 101, uses this base station information as position information, and refers to the geographic information determination table in FIG. Determine information. For example, if the receiving terminal 100 is currently using the base station A1, the receiving terminal 100 determines that the receiving terminal 100 is in the area A and selects the geographical information of the area A.

  Next, the geographic information determination table using the IP address of the router will be described. FIG. 14 is another example of the geographic information determination table. This geographic information determination table is stored in advance in the MPU 124 of the receiving terminal 100. The approximate position of the receiving terminal 100 can be specified from the router used by the receiving terminal 100 from the IP address of the router. In this geographic information determination table, geographic information (region A to region Z) and the IP address of the router are associated with each other.

  The receiving terminal 100 acquires the IP address of the router used via the antenna 101, determines the geographical information of the receiving terminal 100 by referring to the geographical information determination table using this IP address as position information. . For example, the receiving terminal 100 determines that the receiving terminal 100 is in the area A when the IP address of the router currently used is within the range of the IP address corresponding to the area A, and the geography of the area A Select information.

Next, a geographic information determination table using the installation position of the router will be described.
FIG. 15 is another example of the geographic information determination table. This geographic information determination table is stored in advance in the MPU 124 of the receiving terminal 100. Since the installation position of the router is known in advance, the approximate position of the receiving terminal 100 can be specified from the router used by the receiving terminal 100. In this geographic information determination table, geographic information (area A to area Z) and router installation positions are associated with each other.

  The receiving terminal 100 identifies the router being used via the antenna 101, and determines the geographical information of the receiving terminal 100 from the installation position of this router with reference to the geographical information determination table of FIG. For example, if the currently used router corresponds to the area A, the receiving terminal 100 determines that the receiving terminal 100 is in the area A and selects the geographical information of the area A.

  Next, regional boundary determination processing will be described. 16A and 16B are diagrams for explaining the determination process of the boundary between regions, FIG. 16A is a diagram illustrating a determination method when the region is divided into grids, and FIG. 16B is a region centering on the current position of the receiving terminal 100. It is a figure in the case of judging with a circle. Here, it is an example in the case of using position information from GPS.

  As shown in FIG. 2A, a predetermined area is divided into a grid. The receiving terminal 100 acquires position information of the receiving terminal via the GPS antenna 130. The receiving terminal 100 specifies a position in the grid from the acquired position information of the receiving terminal. The receiving terminal 100 determines that the receiving terminal 100 exists in the geography corresponding to the specified grid, and determines geographic information. By using the grid to determine the boundary of the region, it is possible to specify a detailed region.

  As illustrated in FIG. 16B, the receiving terminal 100 acquires position information of the receiving terminal via the GPS antenna 130. The receiving terminal 100 determines the geographical information by determining that the receiving terminal exists in the geography corresponding to the circle with the acquired position information of the receiving terminal as the center of the circle. For example, when the position of the receiving terminal is X1, the receiving terminal 100 determines that the receiving terminal 100 exists in the geography corresponding to the circle P1 with the position X1 of the receiving terminal as the center of the circle, and determines geographic information. . By determining the boundary of the region with the position of the receiving terminal as the center of the circle, it is possible to speed up the process of determination within a specific region.

  The preferred embodiments of the present invention have been described in detail above, but the present invention is not limited to the embodiments according to the present invention, and various modifications and changes can be made within the scope of the gist of the present invention described in the claims. Is possible. The receiving terminal 100 functions as geographic information acquisition means, list acquisition means, program guide acquisition means, and playback control means. The receiving terminal control method of the present invention is executed by the receiving terminal 100. The control server 400 functions as input means, broadcast station storage means, geographic information acquisition means, list transmission means, and program guide transmission means. Each step of the broadcast providing method is executed by the control server 400.

1 Broadcasting system 100 Receiving terminal 124 MPU
130 GPS antenna 200 Sound source distribution server 300 Broadcasting station WEB server 400 Control server

Claims (18)

Geographic information acquisition means for acquiring geographical information of the current location of the receiving terminal;
List acquisition means for transmitting the geographic information to a control server and acquiring a list of broadcast stations capable of viewing broadcasts based on the geographic information;
A program guide acquisition means for acquiring program guide data of a broadcast station selected from the broadcast station list;
Request means for displaying the program guide data and requesting distribution of program data of a program selected from the program guide data;
Replay control means for receiving the stream distribution of the selected program data and controlling the replay of the program data,
When there is no list of broadcast stations corresponding to the geographic information of the current location of the receiving terminal acquired by the geographic information acquisition means from the broadcast station list, the control server is configured to provide geographic information of the current location of the receiving terminal. Broadcasting via the Internet, a list of broadcasting stations that can be viewed according to neighboring geographic information and the neighboring geographic information are transmitted to the receiving terminal and transitioned to a viewable state by moving to the neighboring area A broadcast providing system that provides data,
The geographical information acquisition means determines the geographical information of the receiving terminal by acquiring the positional information of the receiving terminal according to either the IP address of the router or the installation position of the router,
Regarding the determination of geographic information of the receiving terminal based on the IP address of the router, the IP address of the router used by the receiving terminal via an antenna is obtained, and the geographic information of the receiving terminal and the IP address of the router are obtained. And determining the geographic information of the receiving terminal using the first geographic information determination table associated with
For determining the geographical information of the receiving terminal based on the installation position of the router, a second geographical information determination table that associates the geographical information of the receiving terminal and the installation position of the router is used, and the installation position of the router is used. A broadcast providing system characterized by determining the geographical information of the receiving terminal from the installation position of the router used by the receiving terminal using what is known in advance.   The broadcast providing system according to claim 1, wherein the broadcast data is radio broadcast data.   3. The broadcast provision according to claim 1, wherein the reproduction control unit restricts the distribution request of the program data when it is determined that the reproduction control unit has moved to a region different from the geographical information acquired by the geographical information acquisition unit. system. The geographical information acquisition means newly acquires the geographical information at predetermined time intervals,
3. The broadcast providing system according to claim 1, wherein the reproduction control unit restricts reproduction of the program data when it is determined that reproduction restriction of the program data is necessary based on the newly acquired geographical information.   The geographical information acquisition means acquires the positional information of the receiving terminal, specifies the geographical position of the receiving terminal based on the acquired positional information of the receiving terminal, and determines the geographical information of the receiving terminal. The broadcast providing system according to claim 1.   The geographical information acquisition means divides a predetermined area into a grid shape, specifies a position in the grid from position information of the receiving terminal, and the receiving terminal exists in the geography corresponding to the specified grid. The broadcast providing system according to claim 1, wherein the geographic information is determined by determination.   The geographic information acquisition unit determines the geographic information by determining that the receiving terminal exists in the geography corresponding to the circle with the location information of the receiving terminal as the center of the circle. The broadcast providing system according to any one of the above. An input means for inputting program guide data of a broadcasting station;
Broadcast station storage means for pre-associating and storing geographical information and broadcast stations that can be permitted to receive broadcasts based on the geographical information;
Geographic information acquisition means for acquiring geographic information of the current location of the receiving terminal from the receiving terminal ;
List transmitting means for transmitting to the receiving terminal a broadcasting station list corresponding to the geographical information of the current location of the receiving terminal acquired by the geographical information acquiring means from the broadcasting stations stored in the broadcasting station storage means;
Program guide transmitting means for transmitting program guide data of a broadcasting station selected by the receiving terminal from the broadcasting station list to the receiving terminal;
Request means for displaying the program guide data and requesting distribution of program data of a program selected from the program guide data;
Replay control means for receiving the stream distribution of the selected program data and controlling the replay of the program data,
If there is no list of broadcast stations corresponding to the geographic information of the current location of the receiving terminal acquired by the geographic information acquisition means from the broadcast station list, geographic information in the vicinity of the geographic information of the current location of the receiving terminal the list and the neighboring geographic information of the broadcast station that can be viewed and transmitted to the receiving terminal by a transition to a viewable state by moving to the neighboring regions, to said receiving terminal to reproduce the broadcast data A broadcast providing system for providing the broadcast data via the Internet,
The geographical information acquisition means determines the geographical information of the receiving terminal by acquiring the positional information of the receiving terminal according to either the IP address of the router or the installation position of the router,
Regarding the determination of geographic information of the receiving terminal based on the IP address of the router, the IP address of the router used by the receiving terminal via an antenna is obtained, and the geographic information of the receiving terminal and the IP address of the router are obtained. And determining the geographic information of the receiving terminal using the first geographic information determination table associated with
For determining the geographical information of the receiving terminal based on the installation position of the router, a second geographical information determination table that associates the geographical information of the receiving terminal and the installation position of the router is used, and the installation position of the router is used. A broadcast providing system characterized by determining the geographical information of the receiving terminal from the installation position of the router used by the receiving terminal using what is known in advance. The broadcast providing system according to claim 8 , wherein the broadcast data is radio broadcast data. Geographic information acquisition step for acquiring geographical information of the current location of the receiving terminal ;
A list acquisition step of transmitting the geographic information to a control server and acquiring a list of broadcast stations capable of viewing broadcast data based on the geographic information;
A program guide acquisition step of acquiring program guide data of a broadcast station selected from the broadcast station list;
A requesting step of displaying the program guide data and requesting distribution of program data of a program selected from the program guide data;
A playback control step of receiving the stream distribution of the selected program data and controlling the playback of the program data,
When there is no broadcast station list corresponding to the geographical information of the current location of the receiving terminal acquired in the geographical information acquisition step from the broadcast station list, the control server is configured to provide the geographical information of the current location of the receiving terminal. Broadcasting via the Internet, a list of broadcasting stations that can be viewed according to neighboring geographic information and the neighboring geographic information are transmitted to the receiving terminal and transitioned to a viewable state by moving to the neighboring area A broadcast providing method for providing data,
In the geographical information acquisition step, the location information of the receiving terminal is acquired by either the IP address of the router or the installation position of the router to determine the geographical information of the receiving terminal,
Regarding the determination of geographic information of the receiving terminal based on the IP address of the router, the IP address of the router used by the receiving terminal via an antenna is obtained, and the geographic information of the receiving terminal and the IP address of the router are obtained. And determining the geographic information of the receiving terminal using the first geographic information determination table associated with
For determining the geographical information of the receiving terminal based on the installation position of the router, a second geographical information determination table that associates the geographical information of the receiving terminal and the installation position of the router is used, and the installation position of the router is used. A broadcast providing method characterized by determining the geographical information of the receiving terminal from the installation position of the router used by the receiving terminal using what is known in advance. The broadcast providing method according to claim 10 , wherein the broadcast data is radio broadcast data. The broadcast providing method according to claim 10 or 11, wherein the reproduction control step restricts the distribution request of the program data when it is determined that the program has moved to a region different from the acquired geographical information. The geographical information acquisition step includes a step of newly acquiring the geographical information at predetermined time intervals,
The broadcast according to claim 10 or 11, wherein the reproduction control step includes a step of restricting reproduction of the program data when it is determined that reproduction restriction of the program data is necessary based on the newly acquired geographical information. How to provide. The geographical information acquisition step includes the step of acquiring the location information of the receiving terminal, specifying the geographical location of the receiving terminal based on the acquired location information of the receiving terminal, and determining the geographic information of the receiving terminal. The broadcast providing method according to any one of claims 10 to 13, further comprising: The geographical information acquisition step divides a predetermined area into a grid shape, specifies a position in the grid from position information of the receiving terminal, and the receiving terminal exists in the geography corresponding to the specified grid. The broadcast providing method according to any one of claims 10 to 14, further comprising a step of determining and determining the geographical information. The geographic information obtaining step, the receiving terminal is present and determined to claims 10 to claims including the step of determining the geographic information in the geographic corresponding to circle the position information of the receiving terminal as the center of the circle Item 15. The broadcast providing method according to any one of Items 14 to 14. An input step for inputting the program guide data of the broadcasting station;
A broadcasting station storage step for storing in advance a geographic station and a broadcasting station that can be permitted to receive a broadcast based on the geographic information;
Geographic information acquisition step of acquiring geographical information of the current location of the receiving terminal from the receiving terminal ;
A list transmission step of transmitting to the receiving terminal a list of broadcasting stations corresponding to the geographical information of the receiving terminal acquired in the geographical information acquiring step from the broadcasting stations stored in the broadcasting station storing step;
A program guide transmission step of transmitting program guide data of a broadcasting station selected by the receiving terminal from the broadcasting station list to the receiving terminal;
A requesting step for displaying the program guide data and requesting delivery of program data of a program selected from the program guide data;
A playback control step of receiving the stream distribution of the selected program data and controlling the playback of the program data,
If there is no list of broadcast stations corresponding to the geographic information of the current location of the receiving terminal acquired in the geographic information acquisition step from the broadcast station list, geographic information in the vicinity of the geographic information of the current location of the receiving terminal the list and the neighboring geographic information of the broadcast station that can be viewed and transmitted to the receiving terminal by a transition to a viewable state by moving to the neighboring regions, to said receiving terminal to reproduce the broadcast data A broadcast providing method for providing the broadcast data via the Internet,
In the geographical information acquisition step, the location information of the receiving terminal is acquired by either the IP address of the router or the installation position of the router to determine the geographical information of the receiving terminal,
Regarding the determination of geographic information of the receiving terminal based on the IP address of the router, the IP address of the router used by the receiving terminal via an antenna is obtained, and the geographic information of the receiving terminal and the IP address of the router are obtained. And determining the geographic information of the receiving terminal using the first geographic information determination table associated with
For determining the geographical information of the receiving terminal based on the installation position of the router, a second geographical information determination table that associates the geographical information of the receiving terminal and the installation position of the router is used, and the installation position of the router is used. A broadcast providing method characterized by determining the geographical information of the receiving terminal from the installation position of the router used by the receiving terminal using what is known in advance. The broadcast providing method according to claim 17 , wherein the broadcast data is radio broadcast data.

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