JP2002026847A - System and device for selecting reception of broadcasting program - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a system/device for selecting the reception of broadcasting programs which allows a receiving side (receiver) to select a broadcasting channel and a broadcasting program by combining the identifier(id) of SI standardized by DVD or ARIB by a mark up language such as an HTML and a specific keyword for selecting the broadcasting channel and the broadcasting program to perform link description. SOLUTION: In the system capable of selecting the broadcasting channel and the broadcasting program by linking to a receiving side receiving digital broadcasting by link description through a network, a specific key word is provided in the link description and a desired broadcasting channel and/or broadcasting program are selected by the specific keyword and the identifier of combined broadcasting program information.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

The present invention relates to a broadcast program reception selection system and a broadcast program reception selection device. More specifically, in a system capable of selecting a broadcast channel and a broadcast program by linking to a receiving side receiving a digital broadcast by a link description via a network, a specific keyword is provided in the link description, and the specific keyword and The present invention relates to a broadcast program reception selection system and a broadcast program reception selection device capable of selecting a desired broadcast channel and / or broadcast program based on a combined broadcast program information identifier.

[0002]

2. Description of the Related Art Conventionally, DVB (Digital V)
Video Broadcasting) and ARIB (A
ssociation of Radio Indus
DVB-SI (EN300468) and ARI standardized by Tries and Businesses
In B-SI (B10), program arrangement information SI (Service Information) used for digital broadcasting is used.
ion) is defined, and an identifier (id) used by the SI is also defined.

[0003] This identifier includes network_id (network identification), transport_stream_id (transport stream identification), and service_id as identifiers for specifying a broadcast channel (service) in a digital broadcast stream.
An identifier called a (service identification) having a 16-bit value is defined, and network_id is information on the physical configuration of a multiplex / transport stream carried by the network, and NIT (network information) representing characteristics of the network itself. The table serves as a label for distinguishing the distribution system indicated by the table from the other distribution systems, and transport_stream
m_id acts as a label to identify the transport stream from other multiplexes in the distribution system,
The service_id serves as a label for identifying its own service from other services in the transport stream.

Further, the network_id, tra
nsport_stream_id, service_
Within the service specified by id, event_id
One broadcast channel (1) called (event identification)
A specific broadcast program (event) in this broadcast channel (service) can be identified by a 16-bit identification number uniquely assigned within the service. That is,
Network_id, tran, which is an identifier (id)
sport_stream_id, service_i
A specific broadcast program (event) in a specific broadcast channel (service) can be identified by referring to a combination of d and event_id.

On the other hand, H for describing a Web page
TML (HyperText Markup Lang)
uage) and XML (extensible Mark)
In a markup language such as “upLanguage”, a link (hypertext) to another document (file) or another Web page can be made. For example, HT
"<a>" (anchor) for link description in ML
It is described using a tag (symbol).

The link description in the HTML is specifically described as follows: "<a herf="XXXX"> YY
First, a description such as “YY <a/>” is started with a symbol “<a”, a space is inserted after “<a”, and parameters are described as “herf =“ XXXX ””. I do. "XXXX" designates a file name or a document name of a link destination and is closed with a ">" symbol. And "YYY
For "Y", enter text characters to indicate the link destination so that the link is performed on the screen,
Finally, the symbol “</a>” is described.

For example, "<a href =" http:
//123.124.125.126/sample.
html "> sample </a>". In this case, after “<a href =”, the access method (protocol) for Web access is “http:
// ", an address" 123.124.125.126 "indicating the location of the server to be accessed, and a URL (Uniform ResourceLoc) consisting of a file name" sample.html "to be referenced in the server.
a.) and close with a “>” symbol. Then, a text character "sample" for displaying the link description on the screen so that the link description can be visually recognized is described, and finally a symbol "</a>" is used.

[0008] When such a link description is made, a character 601 of "sample" is displayed on the screen 600 in a color different from that of the other characters as shown in FIG. Then select this character 601 (click)
Then, the address “123.124.1.
25.126 ", and the screen 610 is displayed by referring to the" sample.html "file in the server.

Also, <a href = “mailto: c”
contact @ mail. jp "> contact <//
a> followed by “mai” after “<a href =” ”.
lto: ”followed by the email address“ conta ”
ct @ mail. jp ”and closed with a“> ”symbol. Then, in order to display the link description on the screen so that the link description can be visually recognized, a text character “contact” is described, and finally a “</a>” symbol is used. When such a link description is made, as shown in FIG. 5, “contact” is displayed in a different color from other characters or underlined.
Is displayed on the screen 700. The character 701 is linked to the file of the e-mail creation program. When the character 701 is selected (clicked), the e-mail creation program is activated and the e-mail address “contact@mail.jp” is sent. A creation screen 710 is displayed, and an e-mail can be sent.

[0010] As described above, the markup language such as HTML is expressed as “<a herf=“XXXX”> YYY
By describing in a format such as "Y <a/>", an internal or external file can be linked.

[0011]

However, the HTM
For markup languages such as L, DVB and ARIB
Identifier (network_id, t
transport_stream_id, service
Since a link cannot be described using e_id and event_id), there is a problem that there is no effective method for selecting a broadcast channel and a broadcast program on the receiving side.

Therefore, an SI conforming to the DVB or ARIB standard by a markup language such as HTML.
It is necessary to solve the problem by making a link description by combining the identifier (id) and a specific keyword for selecting a broadcast channel or a broadcast program so that the receiver can easily select the broadcast channel or the broadcast program. Have issues.

[0013]

In order to solve the above-mentioned problems, a broadcast program reception selecting system and a broadcast program receiving apparatus according to the present invention are configured as follows. (1) In a system capable of selecting a broadcast channel and a broadcast program by linking to a receiving side receiving a digital broadcast by a link description via a network, a specific keyword is provided in the link description and the specific keyword is provided. A desired broadcast channel and / or broadcast program can be selected based on the broadcast program information identifier combined with the broadcast program information identifier. (2) The broadcast program reception selection system according to (1), wherein the link description is described in a markup language. (3) The broadcast program reception selection system according to (1), wherein the link description is described in HTML or XML. (4) The broadcast program reception selection system according to (1), wherein the specific keyword is a markup language. (5) The broadcast program reception selection system according to (1), wherein the specific keyword is HTML or XML. (6) When the digital broadcast is a broadcast conforming to the DVB / ARIB standard, the identifier of the broadcast program information is a network conforming to the DVB / ARIB standard.
rk_id and transport_stream_id
The broadcast program reception selection system according to (1), wherein a broadcast channel is selected by using an identifier combined with the specific keyword and service_id. (7) When the digital broadcast is a broadcast conforming to the DVB / ARIB standard, the identifier of the broadcast program information is a network conforming to the DVB / ARIB standard.
rk_id and transport_stream_id
The broadcast program reception selection system according to (1), wherein a broadcast program is selected by using an identifier combined with the specific keyword and service_id and event_id. (8) The broadcast program reception selection system according to (1), wherein the network is the Internet. (9) The broadcast program reception selection system according to (1), wherein the broadcast channel and the broadcast program are displayed on a monitor and selected.

(10) A broadcast program reception selecting device capable of selecting a broadcast channel and a broadcast program by linking to a receiving side for receiving a digital broadcast by a link description via a network. The broadcast program further comprises means for providing a specific keyword in the link description and selecting a desired broadcast channel and / or broadcast program based on an identifier of broadcast program information combined with the specific keyword. Reception selection device. (11) The broadcast program reception selecting apparatus according to (10), wherein the link description is described in a markup language. (12) The broadcast program reception selecting device according to (10), wherein the link description is described in HTML or XML. (13) The broadcast program reception selecting device according to (10), wherein the specific keyword is a markup language. (14) The specific keyword is HTML or XML
The broadcast program reception selection device according to (10), wherein: (15) When the digital broadcast is a broadcast that complies with the DVB / ARIB standard, the identifier of the broadcast program information is a network that conforms to the DVB / ARIB standard.
ork_id and transport_stream_i
The broadcast program reception selection device according to (10), wherein d and service_id are combined, and a broadcast channel is selected by an identifier combined with the specific keyword. (16) When the digital broadcast is a broadcast that conforms to the DVB / ARIB standard, the identifier of the broadcast program information is a network that conforms to the DVB / ARIB standard.
ork_id and transport_stream_i
The broadcast program reception selection device according to (10), wherein d is combined with service_id and event_id, and a broadcast program is selected by an identifier combined with the specific keyword. (17) The broadcast program reception selecting device according to (10), wherein the network is the Internet. (18) The broadcast channel and the broadcast program are displayed on a monitor and selected.
3. The broadcast program reception selection device according to claim 1.

By using such a broadcast program reception selection system and a broadcast program reception selection device, a broadcast channel and a broadcast program can be selected on the receiving side.

[0016]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Next, embodiments of a broadcast program reception selection system and a broadcast program reception selection device according to the present invention will be described with reference to the drawings.

The digital broadcast reception selection system shown in FIG. 1 includes a reception selection device 100 for receiving digital broadcasts, and a TV (monitor) for displaying received or recorded digital broadcasts.
200, and a recording device 300 that records digital broadcasts.

The reception selecting apparatus 100 includes a tuner section 101 for receiving a digital broadcast, and a separation / separation section for separating and decoding a control signal such as SI data and a video signal / audio signal from a digital broadcast signal received by the tuner section 101. Decryption unit 10
2, an OSD unit 103 for displaying data and the like transmitted from each unit via the controller 104 on the screen of the television 200, a controller 104 for controlling each unit in the reception selection device 100, and reservation reception of broadcast. Timer 105 for setting a recording time and a scheduled recording time, a modem 106 for taking in HTML / XML data, which is data described by a markup language from a network such as the Internet, and a user receiving a broadcast program (event) or a broadcast channel (service). And a user IF unit 107 for making a selection input or the like.

The operation of receiving and recording a digital broadcast by such a digital broadcast reception selection system will be described.

First, the modem 106 is connected from the Internet or the like.
To fetch HTML / XML data having program information such as EPG. The captured HTML / XML data is sent to the OSD 103 via the controller 104, and displayed on the screen of the TV (monitor) 200.

The HTML / XML data includes, for example, a keyword “tuneo” for selecting a broadcast channel (service) or a broadcast program (event) of digital broadcasting, and SI which is a DVB / ARIB standard.
An identifier (id) defined in (program arrangement information);
By combining this identifier with the corresponding broadcast channel or program identification value (16-bit value), <a herf
= "Tuneo: network_id; 0x123
4, transport_stream_id; 0x2
345, service_id; 0x3456, even
nt_id; 0x4567 "program_title
A link description is made like e </a>.

The HTML described in the link as described above
/ XML data is stored in a TV (monitor) 2 as shown in FIG.
00 in a different color or underlined from other characters to indicate that it is a link description on the screen 400
A character 401 “program_title” is displayed. It is needless to say that information of a plurality of broadcast programs (events) can be described in a link. In this case, a plurality of characters 401 are displayed on the screen 400. The description for indicating the link description may be an image instead of characters.

The user selects (clicks) a desired broadcast program (event) having a link description displayed on the screen.
I do. For example, when the character 401 displayed on the screen 400 is selected (clicked) as shown in FIG.
Is transmitted to the controller 104 via the user IF 107.

The controller 104 selects the selected character 4
Network_id → 0 by referring to the link description of “01”.
x1234, transport_stream_id
→ 0x2345, service_id → 0x345
6, SI such as event_id → 0x4567
The identification value corresponding to each identifier is taken in.

On the other hand, the tuner 101 receives the digital broadcast signal, sends it to the separation / decoding section 102, separates the SI data from the digital broadcast signal received by the separation / decoding section 102, and sends it to the controller 104.

Then, the controller 104 sets each identifier net of the SI of the broadcast program (event) selected by the user.
work_id, transport_stream_
The tuner 10 refers to the identification values for id, service_id, and event_id and the SI data from the separation / decryption unit 102 to receive a predetermined broadcast program (event) in the selected broadcast channel (service).
1 and the separation / decryption unit 102 are controlled.

The tuner 101 receives a predetermined broadcast channel (service) according to an instruction from the controller 104 and sends it to the separation / decryption unit 102. Separation / decryption unit 102
Separates and decodes an audio signal / video signal of a predetermined broadcast program (event) in a broadcast channel (service) selected from received digital broadcast signals, and sends it to a TV (monitor) 200 or a recording device 300. . TV (monitor) 2
The recording device 300 displays or records the transmitted audio signal and video signal.

In the case of performing reservation reception or reservation recording, time information included in HTML / XML data or a user operating the user interface 107 to activate the timer 105 via the controller 104 to set the reservation time. set. When the set reservation time comes, the controller 104 controls the tuner 101 to receive the selected broadcast program (event) in the same manner as described above, and the tuner 101 receives a predetermined broadcast program (event). The separated broadcast program (event) separates and decodes the audio and video signals by the separation /
(Monitor) 200 is sent to the recording device 300 to perform display or recording.

At the time of receiving a reservation, a broadcast program (event)
Is not selected, or only the broadcast channel (service) is selected, the above-mentioned evet is used when describing the link.
<A herf = ”tunet excluding the description of _id
o: network_id; 0x1234, trans
port_stream_id; 0x2345, ser
device_id; 0x3456 "broadcaste
Description r_name </a> is made. When described in this way, as shown in FIG.
In order to indicate that the character 501 “_name” is a link description, the character 501 is displayed on the screen 500 in a different color or underlined from other characters. And this character 501
Is selected, the controller 104 causes the SIs identifiers net of the broadcast channel (service) selected by the user to be
work_id, transport_stream_
id, service_id identification value, and separation / decryption unit 1
With reference to the SI data from 02, the selected broadcast channel (service) is received, and the broadcast program (event) currently being broadcast in the selected broadcast channel (service) is displayed on the TV (monitor) 200. You.

[0030]

As described above, by providing a specific keyword for selecting a broadcast channel or a broadcast program, the DV
A receiver can easily select a desired broadcast channel (service) or broadcast program (event) by performing link description in HTML or XML in combination with an SI identifier (id) defined in B or ARIB. Can be.

[Brief description of the drawings]

FIG. 1 is a block diagram showing a configuration of a broadcast program reception selection device according to the present invention.

FIG. 2 is a diagram showing an example of a broadcast program reception / selection system according to the present invention.
FIG. 11 is an explanatory diagram of a screen display state when a link destination is described in TML or XML.

FIG. 3 is an explanatory diagram of a screen display state when a link destination is described in HTML or XML so that a desired broadcast channel (service) can be selected by the broadcast program reception selection system according to the present invention.

FIG. 4 is an explanatory diagram of a screen display state when a link description for referring to an external file is made by HTML, and a state in which a linked external file is displayed on the screen.

FIG. 5 is an explanatory diagram of a screen display state when a link description for sending an e-mail is made by HTML and a display state of a linked e-mail creation screen.

[Explanation of symbols]

100; receiving apparatus; 101; tuner section; 102; separation / decryption section; 103; OSD section;
105; timer; 106; modem; 107; user I
F, 200; TV (monitor), 300; recording device, 40
0; screen, 401; character, 500; screen, 501; character, 600; screen, 601; character, 610; screen, 70
0 screen, 701; character, 710; screen

──────────────────────────────────────────────────続 き Continued on the front page (51) Int.Cl. ⁷ Identification symbol FI Theme coat ゛ (Reference) H04N 7/173 640 H04N 7/173 640Z

Claims (18)

[Claims] In a system capable of selecting a broadcast channel and a broadcast program by linking to a receiving side receiving a digital broadcast by a link description via a network, a specific keyword is provided in the link description and the specific keyword is provided. A desired broadcast channel and / or a broadcast program can be selected based on the identifier of the broadcast program information combined with the keyword of (1). 2. The broadcast program reception selection system according to claim 1, wherein said link description is described in a markup language. 3. The broadcast program reception selection system according to claim 1, wherein said link description is described in HTML or XML. 4. The broadcast program reception selection system according to claim 1, wherein said specific keyword is a markup language. 5. The method according to claim 1, wherein the specific keyword is HTML or X
The broadcast program reception selection system according to claim 1, wherein the broadcast program reception selection system is ML. 6. When the digital broadcast is a broadcast that conforms to the DVB / ARIB standard, the identifier of the broadcast program information is the same as the one that conforms to the DVB / ARIB standard.
work_id and transport_stream
2. The broadcasting channel is selected by an identifier combined with the specific keyword and the service_id, and the identifier combined with the specific keyword.
2. A broadcast program reception selection system according to claim 1. 7. When the digital broadcast is a broadcast that conforms to the DVB / ARIB standard, the identifier of the broadcast program information is the same as that of the DVB / ARIB standard.
work_id and transport_stream
The broadcast program reception selection system according to claim 1, wherein the broadcast program is selected by an identifier combined with the specific keyword and the service_id and the event_id together with the specific keyword. 8. The broadcast program reception selection system according to claim 1, wherein said network is the Internet. 9. The broadcast program reception selection system according to claim 1, wherein the broadcast channel and the broadcast program are displayed on a monitor for selection. 10. A broadcast program reception selecting device capable of selecting a broadcast channel and a broadcast program by linking to a receiving side for receiving a digital broadcast by a link description via a network. Broadcast program receiving means provided with a specific keyword in the link description, and means for selecting a desired broadcast channel and / or broadcast program based on an identifier of broadcast program information combined with the specific keyword. Selection device. 11. The broadcast program reception selecting apparatus according to claim 10, wherein said link description is described in a markup language. 12. The link description may be HTML or XML.
11. The broadcast program reception selection device according to claim 10, wherein: 13. The broadcast program reception selecting device according to claim 10, wherein said specific keyword is a markup language. 14. The broadcast program reception selection device according to claim 10, wherein said specific keyword is HTML or XML. 15. When the digital broadcast is a broadcast compliant with the DVB / ARIB standard, the identifier of the broadcast program information is compliant with the DVB / ARIB standard.
network_id and transport_stream
The broadcast program reception selection device according to claim 10, wherein m_id and service_id are combined, and a broadcast channel is selected by an identifier combined with the specific keyword. 16. When the digital broadcast is a broadcast conforming to the DVB / ARIB standard, the identifier of the broadcast program information is based on the DVB / ARIB standard.
network_id and transport_stream
m_id, service_id, and event_id
The broadcast program reception selection device according to claim 10, wherein a broadcast program is selected by an identifier combined with the specific keyword. 17. The broadcast program reception selection device according to claim 10, wherein said network is the Internet. 18. The broadcast program reception selecting device according to claim 10, wherein the broadcast channel and the broadcast program are displayed on a monitor for selection.