JPH1013811A - Broadcast system and multimedia storage display device used for the system - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a broadcast system by which lots of program variations are obtained through simpler data generation without requiring revision of a program or the like and to provide a multimedia storage display device used for the system. SOLUTION: Information used to add and supplement service to program content data is generated as information other than the content data of the program and sent to a reception terminal equipment and stored in a storage means 4, and the information stored as service additional information 3 is read as required during reproduction and display of a program and is used for various processing purposes. Thus, not only the content of the main text broadcast but also various additional and supplementary information are sent as contents of the broadcast program and programs with abundant variations are served an comparison with broadcast of program content data, storing content data and read, reproduced by displayed for an optional time.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a broadcasting system and a multimedia storage and display device used therefor, and in particular, broadcasts program data composed of image data, audio data, and the like using various communication facilities, and receives the data from a user. The present invention relates to a broadcast system capable of further enriching the contents of a program when temporarily storing the program data in a terminal device and then viewing the stored program data at an arbitrary timing, and a multimedia storage and display device used for the broadcast system.

[0002]

2. Description of the Related Art In recent years, multimedia information such as audio information and visual information has been digitized and provided to users due to the development of communication technology and data processing technology. It has become possible for a broadcasting system to transmit such data using broadcasting or communication facilities, receive and store the data at a user terminal device, and view the data at an arbitrary timing.

[0003] In the prior art already proposed for such a broadcasting system, a center broadcasts program data including at least one of content data of a program viewed by a viewer and control data for controlling the program, There is a broadcasting system in which a viewer receives the broadcasted program data at a receiving terminal, records the program data on a predetermined recording medium, reads out the program data recorded on the recording medium at an arbitrary timing, and views the program. Further, some of the prior arts have been proposed in which a program for processing a program is distributed. Here, it is assumed that the program data and the program are composed of one or more objects, and the data distribution is performed in units of objects. Such prior art is
By distributing the program as described above, the display content is changed to widen the range of variations.

[0004]

However, in such a conventional broadcasting system, although the program can be distributed and the display content can be changed by executing the program, the range of variations can be widened. Is an object which is integrated with the program data for each program, so that it is necessary to create a program for each program. Further, when the display content is changed from one display content to another display content for a certain program, it is necessary to recreate a program for the program each time, and the operation is complicated.

[0005] The present invention has been made in view of the above-mentioned problems, and has as its object no change in programs or the like is required.
It is an object of the present invention to provide a broadcast system capable of increasing program variations by simpler data creation and a multimedia storage and display device used for the broadcast system.

[0006]

According to the present invention, in order to achieve the above-mentioned object, information capable of adding or supplementing a service to data constituting program contents is provided separately from the program contents data. This service additional information is sent to the receiving terminal device separately from the content data and stored in the storage means, and is stored as service additional information as necessary during the reproduction and display operations of the program. The data is read and various processes are performed.

[0007] Further, a plurality of service additional information can be created for one program. In this case, the service additional information that is related to each other has information representing the relation incorporated in its data structure, and is reproduced and displayed. When they are played, they are played back and displayed in relation to each other.

[0008]

According to the above construction, the service additional information stored in the storage means is activated by a predetermined trigger while the content data of the corresponding program or the service additional information is being transmitted (broadcasted), stored, or reproduced. For example, a certain restriction is imposed on the data reception operation, and some explanation information is displayed in parallel on the display screen displaying the content data. As a result, it is possible to provide a program with more variations than the process of simply broadcasting the content data of a program, storing the content data, and reading out and reproducing the content data at an arbitrary time and displaying it.

[0009]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The invention according to claim 1 of the present invention is directed to the features and services of various programs composed of video information, audio information or text information. Create service additional information describing the relationship between them as attribute information, broadcast the service content data or service additional information from the center as data of the various programs, and transmit the broadcasted service content data or service additional information. The service content data or service additional information received by the receiving terminal device of the viewer and received by the receiving terminal device is stored in a storage medium provided in the receiving terminal device, and is managed and maintained asynchronously with each other. The stored service content data or service additional information is read out and reproduced at an arbitrary timing, and In response to the content data, the service additional information is added and played back, and the program is viewed. In addition to the service main body, various information related to the main body is added as a service to further enhance the content of the service main body. Has the effect of enriching.

According to a second aspect of the present invention, in the broadcasting system according to the first aspect, the service content data and the service additional information stored in the storage medium are broadcast and received independently of each other. This has the effect of improving the efficiency of use of transmission and communication paths by broadcasting and receiving asynchronously.

According to a third aspect of the present invention, in the broadcasting system according to the first or second aspect, the service additional information includes a relationship between at least one service additional information and another service additional information, or It has one or a plurality of pieces of relationship information including relationship type information indicating a relationship between one service additional information and a service corresponding to another service additional information, and reference information for referring to the relationship. Yes, on the receiving terminal side, by referring to the related information according to the request from the user, and searching for the service additional information and the service according to the related information, it is possible to easily search for the related services. Has an action.

[0012] According to a fourth aspect of the present invention, in the broadcasting system according to the third aspect, the service additional information includes:
One piece of service additional information and expiration date information of a service corresponding to the service additional information are included as one of the attribute information. Has an action.

According to a fifth aspect of the present invention, in the broadcasting system according to the third aspect, the service additional information includes:
At least one of the service additional information and the creator information and the provider information of the service corresponding to the service additional information is provided as one of the attribute information. This has the effect that the service additional information can be easily searched based on the user information.

According to a sixth aspect of the present invention, in the broadcast system according to the third aspect, the service additional information includes:
The related information has service location information corresponding to other service additional information related to the service additional information. The service additional information, the service additional information related thereto, and the corresponding service location information are included in the related information. The independent management has the effect of improving the flexibility of the storage management method.

According to a seventh aspect of the present invention, in the broadcast system according to the sixth aspect, the location information can be dynamically changed. The location information having the lower communication cost is updated with the location information, and the cost can be reduced.

According to an eighth aspect of the present invention, in the broadcast system according to the sixth aspect, when the receiving terminal device searches for the related information, the service additional information and the service corresponding to the service additional information do not exist. Refers to the location information, and has the effect that even if the search target does not exist in the receiving terminal device, the search can be performed without making the user aware of this.

According to a ninth aspect of the present invention, in the broadcasting system according to the third aspect, the service additional information is:
The service additional information includes the service additional information and the signature information of the service corresponding to the service additional information, and has an effect of preventing the service additional information from being falsified.

According to a tenth aspect of the present invention, in the broadcasting system according to the third aspect, the service additional information includes a program executed by the receiving terminal device, moving image data, and a still image in the service additional information. It is capable of storing data and has the effect of improving the expressiveness of service additional information.

[0019] According to an eleventh aspect of the present invention, in the broadcasting system according to the third aspect, the service additional information is a reception for reproducing and displaying a service corresponding to the service additional information as one of the attribute information. It has the specification information of the terminal device, and has the effect of improving the operability by automating the selection of a service that matches the specification of the receiving terminal device.

According to a twelfth aspect of the present invention, in the broadcasting system according to the third aspect, the service additional information has usage qualification information as one of the attribute information. And control of access to the service is improved.

According to a thirteenth aspect of the present invention, in the broadcasting system according to the third aspect, the service additional information enables a selection condition to be set in the attribute information, and a plurality of the service additional information are changed by changing the selection condition. Attribute information can be stored, and has the effect of changing the attribute information to be selected according to gender, age, or region, thereby making the service additional information itself more varied.

According to a fourteenth aspect of the present invention, in the broadcasting system according to the third aspect, the service additional information is used as one of the attribute information when registration and update of the service additional information are performed by using a broadcast. It has rebroadcasting scheduled date and time information or rebroadcast cycle information. In the process of storing service information, it is possible to cooperate with other processes, such as not storing those with the closest rebroadcast date and time. Having.

According to a fifteenth aspect of the present invention, in the broadcasting system according to the third aspect, the service additional information is the service additional information as one of the attribute information and the freshness of the service corresponding to the service additional information. It has information, and has an effect that a fresh service can be reproduced and displayed to the user.

According to a sixteenth aspect of the present invention, in the broadcasting system according to the fifteenth aspect, the freshness information includes a time until the scheduled rebroadcast date and time indicated by the scheduled rebroadcast date and time information. This has the effect that the closer to the scheduled rebroadcasting date and time is, the lower the freshness is, and the other processes such as discarding of information can be linked.

According to a seventeenth aspect of the present invention, in the broadcasting system according to the fifteenth aspect, the freshness information includes the elapsed time from the registration and update date of the service additional information. There is an effect that it is possible to evaluate that freshness is lower as time passes from the update date and time, and to cooperate with other processes such as discarding of information.

According to an eighteenth aspect of the present invention, in the broadcasting system according to the fifteenth aspect, the freshness information includes the remaining date and time until the expiration date of the service. The closer the expiration date is, the lower the freshness is evaluated, and there is an effect that it is possible to cooperate with other processes such as discarding of information.

According to a nineteenth aspect of the present invention, in the broadcasting system according to the third aspect, the service additional information is the service additional information as one of the attribute information and the reliability of the service corresponding to the service additional information. It has information and has the effect that when there are a plurality of different pieces of service additional information having similar contents, the most reliable one can be selected.

According to a twentieth aspect of the present invention, in the broadcasting system according to the third aspect, the service additional information has optional attribute information and alternative information of optional related information. When a button, an icon, or the like at the time of displaying the service additional information is used as the attribute information, there is an effect that the shape of the button or the icon can be changed by a simple operation.

According to a twenty-first aspect of the present invention, in the broadcast system according to the third aspect, the service additional information is structured by using the related information, and a group, a file, a folder, or the like is provided. Has the effect of improving operability.

According to a twenty-second aspect of the present invention, in the broadcasting system according to the twenty-first aspect, the service additional information uses the service additional information composed only of the relation information and the attribute information, and constructs the service additional information. This has the effect of increasing the efficiency of managing the service additional information.

According to a twenty-third aspect of the present invention, in the broadcasting system according to the third aspect, the attribute information includes a flag capable of taking at least two values, a processing procedure corresponding to the flag value, An execution procedure for executing the processing procedure triggered by a change in the value of the flag is provided, and the same exclusive selection as that of a TV or the like can be performed in the display of service additional information having a different display method. Have.

According to a twenty-fourth aspect of the present invention, in the broadcasting system according to the twenty-third aspect, the receiving terminal device stores the other information stored in the receiving terminal device based on the attribute information in the received service additional information. The value of the flag in the attribute information in the service additional information is changed. An exclusive selection operation similar to that of a TV or the like can be performed by receiving multimedia processing information, timer operation on the receiving terminal device, or the like. Has the effect of being able to be automated.

According to a twenty-fifth aspect of the present invention, in the broadcast system according to the twenty-fourth aspect, by changing the value of the flag, the receiving terminal device inserts a CM into program content data, or It is designed to be displayed, and when it is adapted for broadcasting, we will inform you of the contents of the broadcast with enclosed documents. This has the effect that the commercial can be realized independently of the broadcast.

According to a twenty-sixth aspect of the present invention, in the broadcasting system according to the twenty-fourth aspect, an emergency broadcast can be performed on the receiving terminal side by changing a flag value. This has the effect that it is only necessary to send service additional information that triggers in an emergency.

According to a twenty-seventh aspect of the present invention, in the broadcasting system according to the third aspect, a method can be set in the service additional information.
This has the effect of improving the expressiveness of the service additional information.

According to a twenty-eighth aspect of the present invention, in the broadcast system according to the twenty-seventh aspect, a method set in the service additional information can be executed by sending a message to arbitrary service additional information. Even if a different display method (viewer) is required for each additional service information, the display can be performed by a unified operation by specifying the viewer as a method.

According to a twenty-ninth aspect of the present invention, in the broadcast system according to the third aspect, in the reception control of a plurality of related service additional information, meta service additional information indicating completion of transmission is transmitted from the center to the receiving terminal device. , And has an effect of improving the reliability in receiving the service additional information by making the reception confirmation of the plurality of service additional information consistent.

According to a thirty-first aspect of the present invention, in the broadcast system according to the thirty-ninth aspect, in receiving a plurality of related service additional information, a plurality of service additional information for which consistency is not guaranteed is input. When referring to a plurality of pieces of additional service information that could not be provided, the user is notified of the absence of the additional service information, and has an effect of improving resistance to reception failure.

According to a thirty-first aspect of the present invention, in the broadcast system according to the thirty-ninth or thirty-fifth aspect, a plurality of pieces of service additional information for which consistency is not guaranteed in receiving a plurality of related pieces of additional service information. When referring to a plurality of pieces of additional service information that could not be input, the corresponding additional service information is input from a communication line or an external storage device. It has the effect of gaining.

According to a thirty-second aspect of the present invention, as a multimedia storage and display device, video information, audio information,
Alternatively, for service content data of various programs composed of character information, service additional information in which characteristics of these services and relationships between services are described as attribute information is created, and the service content data or The service additional information is broadcast as data of the various programs, the broadcasted service content data or service additional information is received by a viewer's receiving terminal device, and the received service content data or service additional information is provided in the receiving terminal device. The service content data or the service additional information stored in the storage means is read out and reproduced at an arbitrary timing, and the service is added to the content data as necessary. The information is played back with the information added to the broadcast system for viewing the program. Means for configuring a receiving terminal device for receiving multimedia data including service content data or service additional information, means for decoding service additional information from multimedia data, storing service content data and service additional information, A data processing control unit for executing processes such as analysis and processing, a storage control unit for storing service content data and service additional information in a storage unit, and reproducing a program read from the storage unit;
It has a reproducing / display unit for displaying, and has an effect that a large amount of data having various attributes can be stored, managed, and displayed in an organized state.

According to a thirty-third aspect of the present invention, in the multimedia storage and display device according to the thirty-second aspect, the multimedia storage device is provided with a system timer, and the service addition stored in the storage means is provided. By changing the value of the flag in the attribute information in the information, the attribute can be changed on the receiving side.

According to a thirty-fourth aspect of the present invention, in the multimedia storage and display device according to the thirty-second aspect, an operation recording unit for recording operation records of one or more users for the service additional information for each user is provided. This has the effect that the progress of the operation can be managed on a per-user basis.

According to a thirty-fifth aspect of the present invention, in the multimedia storage and display device according to the thirty-second aspect, a data addition / subtraction unit for adding and subtracting service additional information is provided. By compressing, the operability of the service additional information is made flexible.

According to a thirty-sixth aspect of the present invention, in the multimedia storage and display device according to the thirty-second aspect, when the address portion of the attribute information in the service additional information refers to unresolved information, a network is established. Means for accessing the center via the service, the service additional information can be referenced without recognizing the accumulation status of the service additional information, and the operability of the service additional information can be made flexible. Having.

According to a thirty-seventh aspect of the present invention, in the multimedia storage and display device according to the thirty-second aspect, when the storage control unit stores the service additional information in the storage unit, the data format is based on the communication format. Are converted and stored, and the processing of registration, reference and update can be improved by matching the data format to the own device.

According to a thirty-eighth aspect of the present invention, in the multimedia storage and display device according to the thirty-second aspect, when storing the service additional information in the storage means, the storage control unit determines a user preference as a selection condition. As a criterion, only service additional information that meets this criterion is selectively stored in the storage means, and services that are highly necessary for the user are stored in the storage device, thereby improving the use efficiency of the storage device. It has the effect of being able to

According to a thirty-ninth aspect of the present invention, in the multimedia storage and display device according to the thirty-eighth aspect, the storage control unit converts the selection condition data into the service additional information when storing the service additional information in the selective storage operation. The service addition information is added and accumulated, and has an effect that classification of accumulated service additional information and search processing from a user can be facilitated.

According to a forty-seventh aspect of the present invention, in the multimedia storage and display device of the thirty-second aspect, the storage control unit determines that the address part of the related information of the service additional information is unresolved in the selective storage operation. In some cases, the solution is searched by searching in the multimedia storage and display device, and the creator of the service additional information does not need to know the location of the related information. It has the effect that a relationship between information can be built.

The invention according to claim 41 of the present invention is the multimedia storage / display apparatus according to claim 32, further comprising a data discarding control unit for discarding the service additional information stored in the storage means. By controlling data discard, overflow of storage device
It has the effect that it can be prevented under certain control.

According to a twenty-second aspect of the present invention, in the multimedia storage and display apparatus according to the forty-first aspect, the data discarding control unit performs the re-setting in the service additional information when discarding the service additional information. This is to discard data that is closest to the scheduled broadcast time, and to discard data that may be stored again in the near future first, thereby preventing other data from being erased and using storage devices. It has the effect of improving efficiency.

According to a forty-third aspect of the present invention, in the multimedia storage and display device according to the forty-first aspect, the data discarding control unit is configured to discard any attribute information and any related information when discarding the service additional information. The service additional information with the alternative information is discarded, and the service additional information without the alternative information is erased by discarding the service additional information with the alternative information first. This has the effect of preventing loss and improving the efficiency of use of the storage device.

According to a forty-fourth aspect of the present invention, in the multimedia storage and display device according to the forty-first aspect, the data discarding control unit discards the service additional information from lower priority ones. By discarding lower priority data, higher priority data is erased, thereby preventing inconvenience in using information and improving the efficiency of use of the storage device. Have.

According to a forty-fifth aspect of the present invention, in the multimedia storage and display device according to the forty-first aspect, the data discarding control unit discards the service additional information from the one with the lowest access frequency when discarding the service additional information. By discarding infrequently accessed data, data that is more frequently accessed and frequently used is erased, preventing inconvenience in information use and improving the efficiency of use of storage devices. It has the effect of gaining.

According to a forty-sixth aspect of the present invention, in the multimedia storage and display device according to the forty-first aspect, the data discarding control unit has passed the longest time since the last access when discarding the service additional information. It is designed to be discarded first, and discarding data whose time has passed since the previous access erases data that is likely to be accessed again, making it inconvenient to use information. And the utilization efficiency of the storage device can be improved.

Hereinafter, embodiments of the present invention will be described with reference to the drawings. FIG. 1 is a schematic block diagram showing a basic conceptual configuration of a broadcast system according to the present invention. This figure shows a process from broadcasting the service additional information as a data broadcast from the center to using the data. In FIG. 1, reference numeral 1 denotes a broadcast of a video channel. Reference numeral 2 denotes a data broadcast that is being broadcast simultaneously with the video channel broadcast. Information such as an EPG (electronic program guide: program guide table) is constantly transmitted repeatedly to monitor data. In the present invention, the service additional information 3 is defined in the various information. The service additional information 3 is information that describes, as attribute information, the characteristics of these services, the relationship between the services, and the like, with respect to the content data of the services of various programs composed of video information, audio information, or character information. In the operation of the broadcasting system according to the present invention, the contents (information corresponding to the contents of the program main body, the contents of CMs attached to the program, and other content data of various information) C
Will be broadcast prior to the broadcast.

FIG. 2 is a data structure diagram for explaining the structure of the service additional information 3 used in the broadcasting system of the present invention. As shown in FIG. 2, the service additional information 3 includes title information 3a, transmission control information 3b, service control 3c, terminal additional information 3d, and address information 3e. The title information 3a is title data relating to the program. The transmission control information 3b includes index information indicating what kind of content C is enclosed as the content C corresponding to the service additional information 3, update information indicating the update record and version number of the data, access right and key. Access control information, and signature (seal) information, which is electronic signature information for preventing data tampering,
And provider information indicating brand information of the information (program) provider. The service control information 3c includes keyword information indicating a keyword of the content C, method information for establishing a relationship between the contents C, relationship information and reference information for establishing a relationship between the service additional information 3, and a sponsor indicating a sponsor name. Information, coupon information indicating the contents of the coupon, expiration date information indicating the expiration date of the information, usage qualification information that stipulates usage qualification when there are restrictions on use, and the brand of the information (program) creator The information includes creator information indicating information and event information indicating activation based on a certain condition (trigger input). The in-terminal additional information 3d includes status information indicating the reception and storage status of the service additional information 3, user management information indicating who is the user of the program or the access frequency, and a keyword for the user. It includes relevance information in which the relevance is quantified, and freshness information in which the data update frequency, the next broadcast date and time, and the like are quantified. The address information 3e includes broadcast date and time information indicating a broadcast date and time or a rebroadcast date and time, address information (or location information) indicating an absolute directory where the information exists, and a telephone number indicating a telephone number of an information source. Number information. The content C is mainly composed of elements constituting a program main body, and includes multimedia information of program details, a trailer, a main program, a CM, a questionnaire, a mail, an application program, and various data.

FIG. 2 schematically shows a state in which the service additional information 3 is stored in the storage means 4 in the receiving terminal device after the broadcast is received.
Indicates a state in which the contents are stored in an integrated state with the content C (the upper part of the storage means in FIG. 2), or a state in which only the service additional information 3 is stored (the lower part of the storage means in FIG. 2: In this case, the corresponding content C is not broadcast yet).

The content C is transmitted from a dedicated channel 1 or 2 as a broadcast service. The receiving terminal device selects service additional information determined to be necessary in accordance with the setting of the terminal user (user) from the service additional information broadcast earlier, and selects the selected service additional information and the content. Is stored in the storage means 4 built in the receiving terminal device in a one-to-one correspondence (in FIG. 1,
"Service additional information" storage processing stage 5). The selected and stored service additional information is managed and maintained by a resident daemon program in the receiving terminal device. If replacement information comes in part, update or
Linking of related information according to the user's preference, management so that it can respond quickly when called by a viewer application, etc., and discarding unnecessary items (see FIG. 1, “Service addition”). information"
Management and maintenance processing stage 6). The service additional information 3 broadcasted in the storage processing stage 5 of “service additional information”
The “service additional information” is partially changed in the management and maintenance processing stage 6 and is stored in the storage unit 4. In some cases, the service additional information 3 itself also has the content C.

The service additional information 3 stored in the storage unit 4 is read out from the storage unit 4 as needed, by picking up the service additional information 3 related to the main broadcast.
An overlay display is performed on the screen of the display unit 7, or a blending display mixed with the background is performed. For example, reference numeral 8 indicates an automatic display processing stage of "service additional information" during the broadcast of the golf relay program, and the user refers to the current score of the appearing player by remote control operation or displays an analysis video of the swing. Or
Alternatively, displaying detailed information of the golf club used can be displayed independently of the program being broadcast. In the above case, instead of the search by the remote control operation, the broadcast program may trigger at a predetermined timing and automatically call up and display the related information. For example, it is possible to display the wind direction of the golf course or the scores of other players on the child screen in accordance with the narration. Also, by applying this mechanism, the service additional information 3 and the CM
The main part or the like can be used as a pack of service additional information. It is also possible to display a CM video as a built-in content of the service additional information 3 stored in the storage unit 4 (the storage unit may be a local disk) instead of the CM video of the main broadcast. For example, when advertising a car during the broadcast of a certain main broadcast, the video screen of the advertisement is the same, but the data of the dealer information part of the inquiry destination is converted from the service additional information 3 to data matching each area. Can be replaced.

Next, a case where the service additional information 3 is accessed and used from the program guide table will be described. Reference numeral 9 denotes a program guide display processing step based on "service additional information". The service additional information 3 for program guide is read out by a user operation on the display unit 7, and a program guide table 10 is displayed. . The program guide table 10 has already been developed to provide program guide table data in an easy-to-understand and interactive manner with good viewer software on the receiving terminal device side (eg, Gem Ster,
Star Light). However, in these conventional program guide tables, "detailed information" had to express characters in a table format. In this regard, according to the present invention, information on a program, link information to program information on a program guide table, a trailer as content, and the like can be packed in the service additional information 3 as service additional information. As a result, the trailer can be accessed interactively from the top of the program guide table 10, and the user has more information for selecting a program.

It is also possible to search and display the service additional information 3 itself and use it. Code 11
Shows the retrieval and display processing stage of "service additional information". The display unit 7 shows a state in which the service additional information 3 has been read out by the user's operation. Details of the service additional information 3, such as information and coupon information, are accessed and displayed. Link information is described in the service additional information 3 displayed in the search and display processing stage 11 of the “service additional information”, but by following this link information, other service additional information can be found. Can play the role of service navigator. When following the link information, if the other additional service information does not exist in the storage means 4, it is possible to directly go to the information source using a modem device provided in the receiving terminal device.

It is also possible to set (or enclose) an application program as the content C. In this case, the receiving terminal device can read out the service additional information 3 enclosing the application program and execute the application program (application display processing step 12 using “service additional information”). The processing executed by the application program has various contents. For example, in the display processing stage 12 of the application using “service additional information”, online TV shopping is indicated.

FIG. 3 is a diagram showing an example of the structure of broadcast data used in the broadcast system of the present invention. In FIG. 3, reference numeral 21 denotes a transport stream (hereinafter, simply referred to as "stream") which is data used in digital broadcasting. Multiple streams of service information packets are mixed in one stream 21. Among them, the PSI denoted by reference numeral 22 defines the contents of the entire stream 21. The PSI 22 includes a table group 23 of program detailed information and a descriptor 24. The table group 23 of the program detailed information includes the following data. That is, PAT: program association table PMT: program map table CAT: conditional access table NIT: network information table descriptor. Then, by processing the table of the table group 23 of the program detailed information, the packets constituting one program can be separated. FIG. 3 shows a state in which a video program 25 as a program 1, a digital broadcast program 26 as a program 2, and a program guide table (EPG) and service information (SI) 27 as other data are extracted from the packet. In this example, the service additional information 3 is a descriptor 24 of the service information SI.
Is defined as The contents of the service additional information 3 include pointer information 28 representing the content C, and the content pointed to by the pointer information 28 is the content C. Header 3 for content C
0 and the content body 31 are included. Then, using the information of the descriptor 24 and the information generated by the receiving terminal device as the service additional information 3, the broadcast service package 29 is created together with the content C and stored in the storage means 4 (or the local disk).

FIG. 4 is a block diagram showing the configuration of a multimedia storage and display device as a receiving terminal device used in the present invention. In FIG. 4, reference numeral 41 denotes an antenna for receiving a broadcast, 42 denotes a tuner that performs detection in synchronization with a broadcast wave, 34 denotes a demodulator that demodulates a received modulated signal, 44 denotes a separation unit that performs signal separation, 45 is a service decoder for decoding the service content of the received program;
46 is a service additional information decoder for decoding the service additional information, and 47 is a data processing control unit for processing the decrypted service content data and service additional information. Reference numeral 48 denotes a modem device connected to a communication network 50 via a communication line 49 such as a telephone line or a data line;
Is a communication control unit that controls the operation of transmitting and receiving data to and from the network 50. Data received through the communication control unit 51 is also sent to the data processing control unit 47.

Reference numeral 52 denotes an overlay unit, and reference numeral 53 denotes a reproduction / display unit for reproducing and displaying program data. 54, a user interface unit; 55, a remote control pad unit connected to the user interface unit 54 for instructing operation;
Reference numeral 56 denotes a keyboard for instructing an operation. An operation recording unit 57 is connected to the user interface unit 54 and records an operation by the user. A program execution unit 58 causes the receiving terminal device to perform various operations such as receiving and receiving a program, reproducing and displaying the program, and the like. Has a download program 59 for writing the content C and the service additional information 3 to the storage means 4 and the local disk 60 as a secondary storage medium. 62 is a storage controller for controlling the operation of storing and reading the content C and the service additional information 3 in and from the storage means 4 and the local disk 60, and 63 is a storage control section for storing the content C and the service additional information 3 in the storage means 4 and the local disk 60. A discard control unit that controls the discard processing operation. Reference numeral 64 denotes a peripheral device which transmits and receives data to and from the multimedia storage and display device and expands the functions of the multimedia storage and display device.

The operation of the broadcast system of the present invention using the multimedia storage and display device having the above configuration will be described below. The content C, which is the service content data of the program, and the service additional information 3 which describes the characteristics of these services and the relationship between the services as attribute information are independent of each other by the video channel broadcast 1 and the data broadcast 2 as program data from the center. The multimedia storage and display device receives the information and data from the antenna 41 and takes in the device. Basically, the center creates the service additional information 3 before broadcasting the content C, puts it on the data broadcast 2 and broadcasts it, and then broadcasts the content C, which is the content data, by the video channel broadcast 2. To broadcast.

Here, the service additional information 3 described above
The structure example will be described more specifically. FIG. 5 is a data configuration diagram illustrating an example of the structure of the service additional information 3. The service additional information 3 is composed of attribute information 70. The attribute information 70 includes an attribute type 7
1, detailed attribute information 72, and selection conditions 73 as constituent elements. The attribute type 71 is the attribute information 70
Is a data element indicating what attribute is included in the attribute type. As attribute types, related information, expiration date information, location information, creator information, provider information, freshness information,
Signature information, inheritance information, group information, event information, keys, usage qualification information, (re) broadcast scheduled date and time information, reliability information, method information, and the like are applicable. The attribute detailed information 72 is a part in which data relating to the content of the attribute information 70 is incorporated, and the selection condition 73 is the attribute detailed information 7.
2 is a portion where data relating to the condition of which item to select is written. The service additional information 3 can be set with a selection condition 73 in the attribute information 70, and a plurality of pieces can be stored by changing the selection condition 73.

FIG. 6 is a data structure diagram showing the structure of the relation information 74 as the attribute information 70. As shown in FIG. In this case, the relation information 74 is a relation type 75 which is information indicating whether the service additional information 3 has (or does not) any other service additional information, and a relation which is data forming the main body of the relation information. An information body 76, a reference type 77 indicating a type of information to be referred to, reference information 78 indicating a body of the information to be referred to, an expiration date 79 of the information, signature information 80,
It consists of location information. Then, as shown in FIG. 7, one or a plurality of such related information 74 is incorporated as attribute information 70 in the service additional information 3. Further, there may be service additional information 3 in which the related information 74 is not incorporated. The relation type 75 and the reference type 77 can be displayed by codes. As the relation type and the reference type list, for example, 00 no relation information 01 video / audio 02 still image 03 program 04 data 05 character string 06 service It can be defined as additional information. Also, the related information body 7
Data (for example, an address, a channel number, etc.) indicating a certain related service additional information is written in 6, and data (address, channel number) indicating information referred to by the service additional information 3 is written in the reference information 78. Etc.) are written.

FIG. 8 is a diagram showing an example of the relational structure of the service additional information 3 based on the relational information 74. In FIG.
For example, the first service additional information 3A exists,
Type 75 of related information 74 of additional service information 3A
Is set to data "06" and the reference type is data "0".
It is assumed that “1” is set. Data "01" is set in the reference type of the first additional service information 3A. Since the data "01" indicates the video / audio data content according to the above-described relation type and reference type list, It can be seen that the information referred to by the first service additional information 3A is the video / audio 79 data. Further, data “06” is set as the relation type of the first service additional information 3A, and the data “06” is related information as service additional information according to the above-described list of relation types and reference types. This indicates that the information indicated by the related information body 76 is the service additional information (this is referred to as second service additional information 3B). As for the second service additional information 3B, data “02” is set in the reference type, and data “0” is set.
According to the relation type and reference type list, "2" indicates the data content of the still image, so that the information referred to by the second service additional information 3B is the data of the still image 80. Further, data “00” is set in the relation type 75 of the second additional service information 3B, and the data “00” indicates that there is no related information according to the above-mentioned relation type and reference type list. Thus, it can be seen that the second service additional information 3B is located at the last end when it is performed following the related information. Thus, the service additional information 3 is
By tracing the relationship information 74 which is one of the attribute information 70, the structure can be structured. This structuring can be performed using the service additional information 3 composed of only the relation information 74 and the attribute information 70.

FIG. 9 is a diagram showing another example of the relational structure of the service additional information 3 based on the relational information 74. The service additional information 3 shown in FIG. 9 includes three pieces of related information 74 therein.
And the data “00” is set in the relation type 75 of the relation information 74, and the data “0” is set in the reference type.
6 "is set. Therefore, data “06” is set as the reference type for each piece of relation information 74. According to the relation type and reference type list, data “06” indicates that the information to be referred to is the service additional information. Indicates that the information indicated by the reference information 78 is different service additional information. Further, data “00” is set in the relation type 75 of each relation information 74, and since the data “00” indicates that there is no related information according to the above-described relation type and reference type list,
It can be seen that the service additional information 3 is located at the last end when the relevant information is traced.

In the present invention, by constructing the relational structure based on the relational information 74 as described above in the service additional information 3 or between the service additional information 3, the service additional information 3 and the service Can be searched. That is, when the user inputs an instruction to search for service additional information from the remote control pad 55 or the keyboard 56, the instruction command is transferred from the user interface unit 54 to the program execution unit 59, and the service additional information search program is activated.
In this service additional information search process, the program determines the relation between the service additional information 3 while decoding the relation type 75, the relation information body 76, the reference type 77, and the reference information 78 of the relation information 74 set in the service additional information. And read the required data.

FIG. 10 is a data structure diagram showing the structure of the expiration date information 81 as the attribute information 70. In this case, the expiration date information 81 is the service additional information 3,
Alternatively, an expiration date type 8 which is information on the type (monthly or yearly) of the expiration date of the content C associated with the service additional information 3
2 and an expiration date information main body 83 which is the data of the expiration date until the expiration date of the expiration date information. Then, such expiration date information 81
Is one of the attribute information 70 inside the service additional information 3.
Incorporated as one.

FIG. 11 shows location information 8 as attribute information 70.
4 is a data configuration diagram showing the configuration of FIG. In this case, the location information 84 includes the service additional information 3 or the location type 85 which is information as to what type of location information about the content C associated with the service additional information, And the location information body 86, which is data indicating the time until the location is reached.
It is composed of The location information 84 is stored in the attribute information 70 within the service additional information 3.
Is incorporated as one. This location information 84 can be dynamically changed. Also, in the search for the related information 74,
When there is no service additional information to be referred to or a service corresponding to the service additional information in the multimedia storage and display device, the related information 74 can be searched by referring to the location information 84.

FIG. 12 is a data configuration diagram showing the configuration of creator information 87 and provider information 90 as attribute information 70. In this case, the creator information 87 indicates what type of information of the service additional information 3 or the creator of the content C associated with the service additional information 3 (name, stage name, common name, abbreviation) ), And a creator information main body 89 which is the data of the creator who forms the main body of the creator information 87 and who is the creator. Also, the provider information 90
Is provider information which is information of what kind of information of the provider of the content C associated with the service additional information 3 or the service additional information 3 (name, stage name, common name, abbreviation). Type 91 and provider information 9
And a provider information body 92 which is data of who the provider is. Then, the creator information 87 and the provider information 90 are incorporated as one of the attribute information 70 in the service additional information 3.

FIG. 13 is a data structure diagram showing the structure of the freshness information 93 as the attribute information 70. In this case, the freshness information 93 indicates the freshness of the service additional information 3 or the content C associated with the service additional information 3, and is determined based on the data update time and the like. And such freshness information 93
Is one of the attribute information 70 inside the service additional information 3.
Incorporated as one. As described above, the content of the freshness information 93 may be the elapsed time from the registration and update timing of the service additional information 3. Alternatively, the content of the freshness information 93 may be the time until the scheduled rebroadcast date and time indicated by the scheduled rebroadcast date and time information (98 described later) in addition to the update time. The contents of the freshness information 93 include the expiration date information 81
And the remaining date and time (time) until the expiration date indicated by.

FIG. 14 shows signature information 9 as attribute information 70.
4 is a data configuration diagram showing the configuration of FIG. In this case, the signature information 94 is signed by a person who has created or updated data on the content C associated with the service additional information 3, and if the content has been tampered with, the fact of tampering is known. Like that. Then, such signature information 94 is incorporated as one piece of attribute information 70 inside the service additional information 3.

FIG. 15 is a data configuration diagram showing the configuration of the usage qualification information 95 as the attribute information 70. In this case, the usage qualification information 95 defines conditions of a person who can use the content C associated with the service additional information 3, that is, for example, age conditions, gender conditions, and the like. Anyone who meets the conditions can use the content C. Such use qualification information 95 is incorporated as one piece of attribute information 70 inside the service additional information 3.

FIG. 16 is a data structure diagram showing the structure of rebroadcasting related information 96 as attribute information 70. In this case, the rebroadcast-related information 96 includes a rebroadcast cycle 97 in which data related to a rebroadcast cycle of the content C corresponding to the service additional information 3 is stored, and a time when the next rebroadcast is performed. The next rebroadcast scheduled date and time 98 is data. Then, such rebroadcast-related information 96 is incorporated as one piece of attribute information 70 inside the service additional information 3.

FIG. 17 is a data configuration diagram showing the configuration of the reliability information 99 as the attribute information 70. In this case, in the reliability information 99, the degree of reliability of the content C associated with the service additional information 3 is quantified and incorporated as data. And such reliability information 99 is the service additional information 3
It is incorporated as one of the attribute information 70 internally.

FIG. 18 shows attribute information 1 as attribute information 70.
FIG. 14 is a data configuration diagram showing an alternative configuration of 00. In this case, the attribute information 100 has basically the same structure and role as the attribute information 70 described above, and differs in that it has various types of attribute detailed information. Therefore, the attribute information 100 in FIG. 18 is also an attribute type 71 which is information on the type of the attribute information on the service additional information 3 or the content C associated with the service additional information 3.
And the data of the selection condition 73 are incorporated. On top of that, the attribute information 100 forms the main body of the attribute information, and includes first detailed attribute information 72a, second detailed attribute information 72b,. ... It has the n-th attribute detailed information 72n. Then, such attribute information 100 is incorporated as one of the attribute information 70 inside the service additional information 3.

Further, in the service additional information 3, a program executed in the multimedia storage and display device, still image data, and moving image data can be stored. Also, the service additional information 3 can have, as one of the attribute information 70, the specification information of the multimedia storage and display device for reproducing and displaying the service corresponding to the service additional information 3.

FIG. 19 is a diagram showing an example in which the service additional information 3 is displayed on the reproduction / display unit 53 of the multimedia storage and display device. In this display example, the reproduction / display unit 53
Has the attribute information 70 adjacent to the service display screen 101.
Are displayed, and a plurality of pieces of related information 74 are displayed on the related type information display screen 102.

FIG. 20 is a diagram showing an example in which the service additional information 3 is displayed on the reproduction / display unit 53 of the multimedia storage and display device under a different situation from the case of FIG. In this display example, the reproduction / display unit 53 displays a plurality of pieces of relation information 74, which is one of the attribute information 70, adjacent to the service display screen 101. The point that the information is displayed on the relation type information display screen 102 is the same as that in the case of FIG. 19 described above. To represent the situation.

FIG. 21 is a diagram showing an example in which the service additional information 3 is displayed on the reproduction / display unit 53 of the multimedia storage and display device under a different situation from those of FIGS. 19 and 20. In this display example, the reproduction / display unit 5
3, attribute information 7 adjacent to the service display screen 101;
0, expiration date information 81, reliability information 99,
Creator information 87, provider information 90, and freshness information 9
3 is displayed.

FIG. 22 is a diagram for explaining the concept of a group among a plurality of additional service information 3. In this figure, it is assumed that service additional information a, service additional information b, and service additional information x exist as service additional information belonging to group 1. It is also assumed that service additional information c, service additional information d, and service additional information x exist as service additional information belonging to group 2. From this, the service additional information x is group 1
And both group 2. FIG. 23 is a diagram illustrating the structure of the group information 103 for the service additional information 3 grouped as described above. The group information 103 has a group identifier 104 that specifies a group to which the service additional information 3 belongs.

FIG. 24 is a diagram for explaining a method of grouping the service additional information x out of the service additional information shown in FIG. As described above, since the service additional information x belongs to both the group 1 and the group 2, the attribute information 70 of the service additional information x includes group information 103a in which G1 is specified in the group identifier 104, Group information 103b in which G2 is specified is set in the group identifier 104. And
Metaservice additional information 1 as information specifying a group
05 is defined.

FIG. 25 shows the meta service additional information 19.
5 is a diagram illustrating a storage format of No. 5. FIG. The meta-service additional information 105 includes service additional information 3 having a certain relationship.
Are grouped based on the related information 74 of the additional service information. Therefore, as shown in FIG. 25, the meta service additional information 105 is formed by stacking the attribute information 70 including the relation information 74, the storage address 106, and the location information 84. Such meta-service additional information 105 is executed by starting the grouping program in the multimedia storage and display device based on the reception of the service additional information 3 and the content C, and the created meta-service additional information 105 is stored in the multimedia storage and display. It is stored in the storage unit (storage means 4) of the device.

FIG. 26 is a diagram showing a logical model of a group in the storage means 4 of the multimedia storage and display device. The storage means 4 includes a storage management unit 107 and a service additional information storage unit. The storage management unit 107 includes a group information unit 109 and a definition unit 110. The service additional information storage unit stores meta service additional information G1 corresponding to group 1 and meta service additional information G2 corresponding to group 2. Service additional information a, b, x belonging to group 1 is linked to the meta service additional information G1, and service additional information c, d, x belonging to group 2 are linked to the meta service additional information G2. . FIG. 27 shows a mounting structure of a group in the storage unit 4. Storage means 4
The group information 109 stored in the storage management unit in G1 is G1, G2 indicating the meta service additional information G1 or G2.
It consists of data and a storage address 106. Also,
The definition unit 110 includes service additional information explicit data a, b, c, d, which distinguishes the service additional information a, b, c, d, x.
x and an accumulation address 106. In the service additional information storage unit, meta service additional information related to group 1 and meta service additional information related to group 2 are stored.

FIG. 28 is a flowchart for explaining a processing procedure for grouping and structuring the above-mentioned service additional information in the multimedia storage and display apparatus. When the service additional information 3 is received by broadcasting or the like and the processing of grouping and structuring is started, the data processing control unit 47 of the multimedia storage and display device performs a processing step (hereinafter simply referred to as a step) ST1. The service additional information 3 is registered. Next, step ST
In step 2, the group information section in the storage management section is searched, and after this search, it is checked in step ST3 whether a group exists. If there is no group, an entry is created in the group information section in step ST4, meta-service additional information is created in step ST5, and a storage address is set as related information, and a series of grouping processing ends. . If it is determined in step ST3 whether or not a group exists, the storage address is set as related information in the meta service additional information corresponding to the existing group in step ST6.

It is to be noted that another method can be used to structure the service additional information 3. FIG. 29 is a model diagram showing an example of the structure of the service additional information. In this figure, FIG. 29A shows service additional information a, b, c,
"d" and "e" represent states associated with one tree structure. FIG. 29B shows service additional information x, y,
z represents a state associated with another tree structure.
FIG. 30 shows a process in which the service additional information e and the service additional information x belonging to different groups related to each other are to be combined. In such a case, as shown in FIG. 30, the service additional information a, b,
The service additional information e in which the relation information 74a indicating the relation between c, d, and e is set includes the service additional information x, y, and z.
The service additional information x in which the relation information 74b indicating the relation of the above is set is associated with the service additional information f. In the service additional information f, related information 74c obtained by combining the related information 74a of the service additional information e and the related information 74b of the service additional information x is set. As a result, the group of the service additional information a, b, c, d, and e and the service additional information x, y, z are connected as shown in FIG. 31 and related to one tree structure.

FIG. 32 is a data structure diagram showing the structure of event information 111 which is one of the attribute information 70. Here, the “event” means that certain trigger information is inserted into the data of the service additional information 3 or the content C received from the center during the broadcast during the reproduction / display execution processing, and the trigger information is read. This means that the processing of a predetermined program is executed by being issued and executed, and includes, for example, insertion and display of a CM while a movie program is being broadcast or a sports program is being watched. In this case, the event information 111 is
An event ID 112 for identifying and displaying the event;
An event type 113 which is information indicating what kind of event the event is, a condition 114 for executing the event information, and what kind of action is included in the event are displayed. It is composed of an action type 115 that is information and an action 116 that is the main body of the event information. And
Such event information 111 includes the service additional information 3
Is incorporated as attribute information 70 in the file.

Further, the event type 112 and the action type 115 can be indicated by symbols, and the list of the event type 112 and the action type 115 includes, for example, event type 00 timer event 01 reception event 02 UI event and the like. Yes, and there are processing operations such as action type 00 message transmission 01 application execution 02 control.

FIG. 33 is a block diagram showing the configuration of an event processing mechanism based on the reading of the event information.
In this event processing mechanism, reference numeral 120 denotes a system timer that determines the operation timing of the event processing mechanism, 121 denotes an event processing unit that executes event processing,
Reference numeral 122 denotes a storage control unit that controls storage of data necessary for event processing; 123, a storage unit in which data for event processing is stored; 124, an application execution unit that executes a series of processing procedures for event processing; Is a message processing unit that performs processing according to the message,
126 is a GUI unit, and 127 is a reception control unit that controls reception of event information and other information. The event processing section 121 includes a state setting section 128 for setting a state for performing the event processing, a state monitoring section 129 for monitoring the state, and an event table 130 for storing event data for executing the event processing. have. The storage unit 123 includes a storage management unit that manages the storage unit 123 and a service additional information storage unit 132 in which service additional information is stored.

FIG. 34 is a flowchart for explaining a CM display operation using event information. In this CM display operation, when a CM event is started, the event processing mechanism receives the CM display program through the reception control unit 127 in step ST11, and proceeds to the next step ST1.
At 2, a CM display trigger is received and notified to the event processing unit. Next, in step ST13, the event processing unit 121 searches the event table 130 for an event corresponding to the trigger, and the event action unit 116
Execute Next, in step ST14, the CM is displayed by the execution of the action unit 116. As shown in FIG. 35, this CM is displayed in the form of CM insertion in the main program broadcast of the program. As described above, insertion of the CM during the broadcast of a movie program or watching a sports program is performed. Is performed.

FIG. 36 is a diagram showing the relationship between the event processing unit 121 and the application execution unit 124 during the event processing operation. In this case, for example, the event ID 112 is set in the event table 13 of the event processing unit 121, and “12:00” is set as the timer 133. Then, the state storage unit 134 is stored in accordance with the address data of the storage address 106.
The data storage position is indicated. In executing the event, the data in the event table 130 in the event processing unit 121 is read and transferred to the application execution unit 124,
CM display viewer 13 of application execution unit 124
5 starts and executes the CM display process.

FIG. 37 is a diagram showing an example of the structure of a storage device such as the storage means 4 and the external storage medium 60 constituting a processing mechanism for recording and storing the operation history of the user in the multimedia storage display device of the present invention. . The storage device 136 shown in FIG. 37 includes a user operation history storage unit 137 in addition to the service additional information storage unit 132. The user operation history storage unit 137 allows the user to play and display programs on the multimedia storage and display device,
Alternatively, when the service additional information is registered or updated, the operation history thereof is recorded. FIG. 38 is a flowchart illustrating the procedure of the operation history recording and saving operation for each user when the operation history is recorded. FIG.
In step ST21, when the user reproduces or displays a program on the multimedia storage and display apparatus, or registers or updates additional service information, the user interface unit 54 or the GUI unit 126 sets the service in step ST21. The operation of the user is sent to the additional information 3 as a history saving message. Next, in the data processing control unit 47, the history storage method for the history storage message stores the operation history information for each user in step ST22. The operation history information is stored in the user operation history accumulation unit 137.

FIG. 39 is a diagram showing another example of the structure of the storage device such as the storage means 4 and the external storage medium 60 constituting the processing mechanism for recording and storing the operation history of the user in the multimedia storage display device of the present invention. It is. The storage device 138 shown in FIG. 39 is provided with a user operation history storage unit 137 in which a user's operation history of the multimedia storage display device is recorded in addition to the service additional information storage unit 132, as shown in FIG. It is the same as the stored storage device 136. However, the service operation information reference unit 139 is provided in the service additional information storage unit 132 of the storage device 138. The user operation history reference unit 139 has a function of referring to user operation history information generated by a user operating the multimedia storage and display device. The user operation history reference unit 139 stores the user 1 operation history information 140a, the user 2 operation history information 140b, and the user 3 operation history information 1 stored in the user operation history storage unit 137.
The operation history is searched with reference to the attribute information 40c as a clue to the attribute information 70c.

FIG. 40 is a data configuration diagram showing the structure of method information 141, which is one of the attribute information 70. Here, the “method” refers to the playback of broadcast program data,
During the display, when there is information that the user wants to know for the convenience of the user, it means that a predetermined program process is executed by being executed by the user's instruction input. Has data for displaying the price (price) of the product that is the subject of the CM, but for this price information,
This means that the program is started only after the user inputs the instruction. In this case,
The method information 141 includes a message part 143 that stores a message indicating that a method is to be processed, a method type 143 that indicates what kind of the method is, and a method pointer that indicates the body of the method information 141. 144.
Such method information 141 is incorporated as attribute information 70 in the service additional information 3.

FIGS. 41 and 42 are diagrams showing display examples of a service having method information (in this case, a CM). In FIG. 41, the CM of the article (for example, a ring) 145 is displayed on the screen of the reproduction / display unit 53, and the article 1 is displayed.
Price list activation display (switch button) 14 indicating that price display is ready for 45 CM display
6 is displayed at the lower right of the screen. When the user presses the price list activation display 146, the price list display method is activated, the service additional information 3 relating to the price list information is read from the storage unit 4, and the price list is reproduced / displayed as shown in FIG. The article 145 is displayed on the screen of the unit 53.

FIG. 43 is a diagram showing an example of the structure of a storage device 146 such as the storage means 4 or the external storage medium 60 for storing method information 141. Storage device 14 shown in FIG.
6 has a method storage unit 147 in addition to the service additional information storage unit 132. The method storage section 147 stores method information 141 on various services for which an operation instruction is issued by the user.

FIG. 44 is a diagram showing a relational structure between the service additional information 3 and the method. The service additional information includes CM service additional information. Of course, service additional information other than CM may be used.
In the service additional information storage unit 132, the CM additional service information 3a and the CM additional service information 3a
And the service additional information 3b of the price list, which is information related to. CM additional service information 3
The service additional information 3b of the related price list is set as the related information 74 of a. On the other hand, the method storage unit 147 is provided with a method management unit 148 for storing and managing the method information 141. The method management unit 148 manages a price list display method. Then, the attribute information 70 of the CM additional service information 3a clearly indicates that the attribute of the data stored in the storage device 146 is related to the method information.

FIG. 45 is a block diagram showing the structure of a method processing mechanism based on the reading of the method information 141. In this method processing mechanism, reference numeral 151 denotes a message processing unit that executes message processing for a method, 152 denotes a storage control unit that performs storage control of data necessary for message processing, and 153 denotes a storage in which data for message processing is stored. Unit, 154 is an application execution unit that executes a series of processing procedures for message processing, 155 is an event processing unit that performs event processing,
Reference numeral 156 denotes a GUI unit, and 157 denotes a reception control unit that controls reception of method information and other information. The message processing unit 151 has a routing unit 158 that defines an operation order for performing message processing, and a method execution unit 159 that performs a method. The storage unit 153 is a storage management unit 1 that manages the storage unit 153.
54, a service additional information storage unit 155 for storing service additional information, and a method storage unit 156 for storing method information 141.

FIG. 46 is a flowchart for explaining the operation of combining (adding) the service additional information 3 using the method information. When the method of the service additional information combining operation is started, the user interface unit 54 or the GUI unit 126 sends a combined message to the service additional information 3 in step ST25. Next, the combining method corresponding to the combining message in data processing control section 47 copies the related information in step ST26. Thus, the operation of combining the service additional information 3 is completed.

FIG. 47 is a flowchart for explaining the message driving operation of the service additional information 3 using the method information. When the message driving operation method of the service additional information is started, the user interface unit 54 or the GUI unit 126 sends a “VIEW” message to the service additional information 3 in step ST31. Next, the message processing unit 151 activates a method corresponding to the “VIEW” message and drives the message. Thereby, the message driving operation of the service additional information 3 is completed.

Next, the configuration of the service additional information 3 will be described. FIG. 48 illustrates an example of the interrelation structure of the service additional information a, b, c, and d. The internal structure of the service additional information for a plurality of service additional information having a relationship as shown in FIG. 48 is as shown in FIG. 49 as an example. That is, regarding the service additional information a, the service additional information a is the service additional information b,
Since it is related to c and d, as the related information 74, b,
A data designating section 74a is set to indicate c and d as the related parties. Regarding the service additional information b, since the service additional information b is related to the service additional information a and d, a,
A data designating section 74a is set to indicate d as a related partner. Next, as for the service additional information c, since the service additional information c is related to the service additional information a, the data specifying unit 74a indicating a as a related partner is set as the related information 74.
Further, regarding the service additional information d, since the service additional information d is related to the service additional information a and b, a data specifying unit 74a indicating a and b as a related partner is set as the related information 74. ing.

FIG. 50 shows additional service information a, b, etc. in the data storage unit such as the storage means 4 and the external storage medium 60.
It is a figure showing the structure immediately after receiving a and b among c and d. The storage unit illustrated in FIG. 50 includes a storage management unit 158,
A service additional information storage unit 159 is provided. In the storage management unit 158, a definition unit 160 and a reference unit 161 are set. The definition unit includes an identification data unit 160a that specifies the individual service additional information a and b, and a storage location of the service additional information a and b. Storage address section 160 that specifies
b. The reference unit 161 is an identification data unit 1 that specifies individual service additional information c and d to be referred.
61a and a storage address section 16 that specifies the service additional information referring to the respective service additional information c and d.
1b.

At the time of registering the service additional information, first, the reference section 161 is searched to confirm whether or not its own (self data) is being referred to.
It is removed from the reference unit 161. Service additional information storage unit 1
59 stores service additional information a and b. The relation information 74 of each of the service additional information a, b, c, and d includes a data specifying unit 74a and a pointer 74b to a definition unit 160 that specifies a storage location of the service additional information specified in the storage unit. Is set.

FIG. 51 is a flowchart for explaining the processing operation procedure when referring to the service additional information in the multimedia storage and display apparatus of the present invention. When the operation of referring to the service additional information (program execution) is started, the program execution unit 58 checks in step ST41 whether or not the service exists, and if so, in step ST42, the service expires. Check whether it is within. If the service is within the validity period, the user checks in step ST43 whether the user qualification is satisfied. It is checked whether or not the requirements are satisfied, and if it is determined that the terminal specifications are satisfied, the service is displayed in step ST45 and a series of reference operations is terminated. On the other hand, if it is determined in step ST42 that the service has exceeded the expiration date, a display impossible message is displayed in step ST46, and the series of reference operations is terminated without displaying the service. If it is determined in step ST43 that the user does not satisfy the user qualification, a display disabled message is displayed in step ST46, and the series of reference operations ends without displaying the service. Further, when it is determined in step ST44 that the terminal specifications are not satisfied, a display impossible message is displayed in step ST46, and the series of reference operations is terminated without displaying the service.

On the other hand, when it is determined in step ST41 that the service does not exist, in step ST47, the location indicated by the location information 84 is accessed and the service is obtained. Then, in step ST48, it is checked whether or not the service has been obtained. If the service has been obtained, the process proceeds to step ST42. If the service has not been obtained, it is checked whether or not there is alternative information. If there is the alternative information, access is made again using the alternative information of the location information in step ST50 to obtain the service. Regarding this service acquisition process,
It is checked whether the service has been obtained by moving to step ST48. If it is determined in step ST49 that there is no alternative information, the process proceeds to step ST49.
At 51, it is determined that the service does not exist, the fact is displayed, and a series of reference operations is terminated.

FIG. 52 is a flowchart for explaining the inheritance processing operation procedure during the CM display operation in the multimedia storage and display apparatus of the present invention. When the inheritance processing operation (program execution) is started, the program execution unit 58 sends a price list message to the CM currently being displayed in step ST61, and executes step ST61.
At 62, it is checked whether or not the price list method exists in the service additional information 3. If there is no price list method, step ST
At 63, it is checked whether or not the “INHERIT” attribute exists. If the “INHERIT” attribute exists, a price list message is sent to the service additional information indicated by the “INHERIT” attribute at step ST64. The process returns to ST62.

On the other hand, in step ST63, “IN
If it is determined that the "HERIT" attribute does not exist, it is notified that there is no price list in step ST65, and the series of inheritance processing operations ends. If it is determined in step ST62 that the price list method exists, the price list method is activated in step ST66 to display the price list, and the series of inheritance processing operations ends.

Here, as an operation example of the multimedia storage and display apparatus, an operation of receiving information on a watching game of a soccer game by the broadcasting system of the present invention, and reproducing and displaying this program will be described.

(Operation Example 1) First, an information providing processing operation during a soccer game broadcast will be described. In this processing operation, an application is received as a first procedure.
In receiving this application, a soccer game watching viewer (program) and its additional information, an information mark display program and its additional information, a sports display program and its additional information, a sponsor display program and its additional information are provided as programs. And the CM display program and its service additional information are broadcast, received by the multimedia storage and display device, and stored in the storage means 4. The service additional information corresponding to the information mark display program has event information 111 for displaying an information mark on a screen in response to an information mark trigger. The service additional information corresponding to the sponsor display program has event information 111 for displaying a sponsor name and a logo mark on the screen in response to the sponsor trigger. The event information 111 is stored in the event table 13 in the event processing unit 121 when the service additional information is registered.
0 is stored.

When the additional service information is received, registration of the additional service information is performed. That is, information on the two teams to be played is sent via the data broadcast channel 2 before the game. The multimedia storage display device has received the information of the two teams before the start of the main broadcast, and the storage in the storage means 4 has been completed. The information of the two teams includes team information 201, player information 202 for each player of each team, and performance information 203 for each player. The team information 201 has information 74 related to the player information 202 of each player. The player information 202 of each player has information 74 related to the performance information 203. FIG. 53 shows the team information 201, the player information 202, and the performance information 203 having such a relationship.

When the user selects the soccer broadcast (service) 204 from the program guide table (EPG), the program guide table is displayed on the service additional information of the soccer broadcast 204 to display the selected soccer broadcast 204. send a message. Soccer broadcast 204 on video channel 1
, An information mark event trigger for notifying that the service additional information is present in the soccer broadcast 204, a sponsor name display, C
The service additional information including the trigger of the M display is periodically broadcast. The service additional information of the soccer broadcast 204 includes
Related information 74 to the team information 201 of the two teams competing
And the related information to the performance information 205 of the entire league up to this section. In addition, it has a method attribute for starting a soccer watching viewer. FIG. 54 shows the team information 201, the soccer broadcast 204, and the performance information 205 of the entire league having the above relationship.

When the multimedia storage and display apparatus receives the service additional information of the main broadcast 204 of the soccer broadcast,
The storage is performed while establishing the relationship with the service additional information received earlier in the storage means 4. When the event processing unit 121 of the multimedia storage and display device receives a trigger for an information mark event, the event processing unit 121 searches the event table 130, searches for an information mark event, and executes a procedure if the condition is satisfied. I do. By this procedure, as shown in FIG.
The information mark 206 is displayed on the screen 3. On the other hand, when the multimedia storage and display device receives a trigger for the sponsor event, the event processing unit 121
Searches the event table 130, searches for sponsor events, and executes the procedure if the conditions are satisfied. By this procedure, the sponsor name 207 is displayed on the screen of the reproduction / display unit 53 as shown in FIG. Further, when the multimedia storage and display device receives a trigger for a CM vent, the event processing unit 121 searches the event table 130, searches for a CM event, and executes a procedure if the condition is satisfied. By this procedure, as shown in FIG. 57, the CM display image 20 is displayed on the screen of the reproduction / display unit 53.
8 is displayed.

When the user performs an information display operation while the information mark 206 is displayed, an information display message is sent to the service additional information of the main broadcast by the soccer watching viewer (main broadcast display mechanism). As a result, the message is processed by the message processing unit 151 of the message processing mechanism, and the corresponding method is activated as shown in FIG. Then, by the activation of this method, the main broadcast information 209 is displayed on the screen of the reproduction / display unit 53 as shown in FIG. The reproduction / display unit 5
On the screen of No. 3, a team information display button 210 for starting a method for displaying the team information 201 and the league overall result information 205 up to this section together with the main broadcast information 209 is displayed. When the user selects the team A by operating the team information display button 210, an information display message is sent to the service additional information of the team A by the information display method. The information display message is processed by the message processing unit 151 and activates a corresponding method. Thus, the detailed information 211 of the team A is displayed on the screen of the reproduction / display unit 53 as shown in FIG. A player list display button 2 for starting a method for displaying a player list in a part of the detailed information 211 of the team A is displayed on the screen of the reproduction / display unit 53.
12 is displayed.

When the user operates the player list display button 212 to select a player list, a player list display message is sent to the service additional information of team A by the information display method as shown in FIG. The player list display message is processed by the message processing unit 151 and activates a corresponding method. The service additional information of the team A information has the relation information 74 to the player information. More specifically, the link information is linked to the player information 202 by reference information of the relation information 74, and the player information of the player is The image data 213 is linked. Thereby, the player list information 214 (for example, face photograph) of the team A is displayed on the screen of the reproduction / display unit 53 as shown in FIG. The image portion of each player in the player list information 214 also serves as a player information display button 215 for activating a method for displaying player information. Therefore, when the user selects the player information by operating the player information display button 215, a player information display message is sent to the service additional information of team A by the information display method. The player information display message is processed by the message processing unit 151 and activates a corresponding method. Thereby, the player detailed information 216 and the individual result information 217 of the team A are displayed on the screen of the reproduction / display unit 53 as shown in FIG.

(Example 2 of Operation) Here, as an example of operation 2, when performing broadcasting using the broadcasting system of the present invention, an automatic classification processing operation at the time of accumulating service additional information based on the intention of the center will be described. In this processing operation, an information classification display application is received as a first procedure. In receiving the application, a display program for displaying the group information of the storage management unit in a folder format and the service additional information are broadcast, received by the multimedia storage display device, and stored in the storage unit 4.

Next, it is searched whether or not the group indicated by the group attribute in the received service additional information is registered in the group information section 109 in the storage management section 107. If the group is not registered, an entry is created in the group information section 109, the group meta-service additional information is generated and linked, and the created group meta-service additional information is linked with the received service additional information. On the other hand, the group indicated by the group attribute in the received service additional information is stored in the storage management unit 10.
If it is registered when it is searched for in the group information section 109 in 7, the received service additional information is linked to the corresponding group meta service additional information.

Next, information is classified. In order to perform this information classification, first, an information classification application is started (in this case, the information classification application is started from some higher-level program). The information classification application is provided in the group information section 10 of the storage management section 107.
Referring to FIG. 9, a group list 231 is displayed on the screen of the reproduction / display unit 53 as shown in FIG. Here, when the user designates a group, the information classification display application reproduces the service additional information related by the related information 74 in the corresponding group meta service additional information as shown in FIG. Classify and display on the screen. When the service additional information is selected, the information classification display application sends a display message for the corresponding service additional information.

Further, as an operation of information, in the group list on the screen of the information classification display application,
The service additional information in the group is copied by dragging and dropping the group. The information classification display application copies the related information of the dragged group meta service additional information to the dropped group meta service additional information.

(Operation Example 3) A bookmark operation will be described as Operation Example 3. Here, the bookmarking operation using the service additional information means that when the user interrupts the reproduction and display operation of the program data for some reason while watching a certain program, the service additional information When the reproduction and display operations are resumed next, the operation of performing the reproduction and display operations for the part after the part where the reproduction was interrupted is performed. In this bookmarking operation, a display message is sent to the service additional information desired to be viewed and the display method is started in the higher system. The display method refers to the user operation history reference section 139 in the service additional information on the storage device 136, searches the current user operation history information 140, and sets viewing start information. When the operation history information 140 of the current user does not exist, the user operation history information for the user is generated, and the viewing start information is set.

On the other hand, when the user instructs the display method to suspend viewing, the display method is
User operation history reference section 139 in the above service additional information
, The operation history information 140 of the current user is searched, and the viewing interruption information is set. Thereafter, when the same user instructs the display method to resume viewing, the display method refers to the user operation history reference unit 139 in the service additional information on the storage device 136, and displays the current user operation history. The information 140 is searched, and viewing is resumed based on the viewing interruption information of the user. Further, by periodically sending the data of the user operation history reference section 139 on the storage device 136 to the center, it is possible to conduct a rating evaluation on an individual basis.

(Operation Example 4) As operation example 4, a search and display operation of service additional information will be described. In this case, the service additional information to be displayed is specified, and the service additional information viewer is started. The service additional information viewer displays a service indicated by the service reference attribute information in the service additional information. If the service reference attribute information does not exist or the reference information does not exist, the location information 8
4, the user accesses the location using the external access method indicated by the location information type 85 in the location information 84,
Get service. If the content C cannot be obtained even by accessing using the location information 84, the location information 8
4, if the alternative information exists, access the location using the alternative information and acquire the service (for example, if it is impossible to acquire the service via the Internet, use a dedicated line or the like, or use the database A If the service cannot be obtained, the service is obtained from the database B). The service additional information viewer refers to and displays the attribute information 70 of the related information 74 in the service additional information. The user can display the next service additional information by selecting the attribute information 70 on the screen of the reproduction / display unit 53. FIG. 66 is a diagram showing a display example of a screen when the service additional information viewer is activated by the above-described search and display operation of the service additional information in the multimedia storage display device of the present invention. As shown in this figure, the reproduction / display unit 53 displays the service additional information 3, the related information 74, and the provider information 90 of this service.

The service additional information viewer refers to the expiration date information 81 in the service additional information or the expiration date information in the related information 74, and notifies the user if the expiration date has passed. Further, the service additional information viewer refers to the usage qualification information 95 in the service additional information or the usage qualification information in the related information 74, and notifies the user if the user does not satisfy the usage qualification.
Further, the service additional information viewer refers to the terminal specification information in the service additional information, and if the terminal does not satisfy the request, notifies the user to that effect. A message list is provided for the service additional information viewer to notify that the expiration date has passed, notify that the use qualification has not been satisfied, and notify that the terminal specification request has not been satisfied. . For example, (1) the expiration date has passed. (2) You are not eligible to use this service. (3) This service cannot be used with this terminal. There is a message such as.

Further, the service additional information viewer displays the information of the creator and the provider when the title is the same on the display screen such as the search result of service additional information and the list display. The service additional information viewer displays the freshness information of the title on a display screen such as a search result of service additional information or a list display. Further, the service additional information viewer displays title brand information on a display screen such as a search result of service additional information or a list display. Further, the service additional information viewer, in the display of the service additional information, when using the viewer provided by the provider of the service additional information, by referring to the signature information in the service additional information in the viewer,
Check whether the information has been tampered with. Further, the service additional information viewer refers to the signature information of the service additional information and checks whether the information has been tampered with in the viewer having the signature confirmation mechanism. On the other hand, in a viewer having no signature confirmation mechanism, the signature information is sent to the location indicated by the location information 84 when the signature information of the service additional information is referred to, and is displayed after confirmation.

(Operation Example 5) As an operation example 5, an accumulation processing operation of service additional information will be described. FIG. 67 is a flowchart for explaining the accumulation (format conversion) operation of the service additional information. When the accumulating operation of the service additional information is started, the data processing control unit 47 proceeds to step ST71.
Register the service additional information in step ST
After registration in the definition unit at 72, the accumulation control unit 62 checks at step ST73 whether or not all exist in the reference unit in the storage device. Then, for all the corresponding relations, the unresolved relation information in the service additional information linked to the reference section is resolved in step ST74, and the resolved relation information is deleted from the reference section, and the process proceeds to step 75. If it is determined in step ST73 that there is no corresponding relationship, the process proceeds to step S73.
The flow shifts to T75, where one piece of related information in the service additional information is extracted. Next, in step ST76, a definition part is searched, and then, in step ST77, it is checked whether or not the definition matches. If the definition does not match, an entry is added in the reference part in step ST78.
If the definitions match, in step ST79, a definition part offset is set in the relation information. And step S
If any of the processing of T78 and step ST79 is completed, it is checked in step ST80 whether or not the related information is over.
On the other hand, when the processing is completed, the series of service additional information accumulation processing is ended.

(Operation Example 6) As an operation example 6, the accumulation processing of a plurality of related service additional information, that is, the consistency assurance reception control operation will be described. FIG. 68 is a flow chart for explaining the operation of storing the additional service information. When the operation of storing the additional service information is started, the data processing control unit 47 receives the additional service information in step ST81, and connects the additional service information to the discard list. Next, it is checked whether or not the service additional information received in step ST82 is transmission completion information.
On the other hand, when it is determined that the information is transmission completion information, it is checked in step ST83 whether or not all related service additional information has been input. If all the related service additional information has been inputted, all the related service additional information is enabled in step ST84, and the service additional information is removed from the discard list, and a series of service additional information accumulation processing operations is ended. On the other hand, if it is determined in step ST83 that all the related service additional information has not been input, all of the related service additional information is set to a discardable state in step ST85, and the service additional information not received in step ST86. Is stored as unreceived information, and a series of service additional information storage processing operations is terminated.

(Operation Example 7) As an operation example 7, a reference processing operation of the unreceived service additional information will be described. FIG. 69 is a flowchart for explaining the reference processing operation of the unreceived service additional information. When the process of referring to the unreceived service additional information is started, the accumulation control unit 62 searches the definition unit in step ST91, and checks in step ST92 whether the target service additional information exists. If there is, the process ends.
On the other hand, if not present, a non-received part is searched in step ST93. Next, in step ST94, it is checked whether or not the target service additional information exists. If the target does not exist, the process is terminated. Get information and
The service additional information is registered, and a series of processing for referring to the unreceived service additional information ends.

(Operation Example 8) As Operation Example 8, a discarding operation of the service additional information will be described. FIG. 70 is a flowchart for explaining the operation of discarding the service additional information. When the service additional information discarding operation starts, the accumulation control unit 62 selects and discards one of the service additional information registered in the discard list in step ST101, and then discards the service additional information in step ST102. The storage unit 4 checks whether or not the space is sufficient. If the space is not sufficient, the process returns to the process of step ST101. If it is determined that the space is sufficient, a series of the service additional information discarding operation is performed. To end. Whether or not the storage means 4 is sufficient is determined by, for example,
A predetermined threshold value is set for the storage capacity of, and it is determined by detecting whether or not the amount of stored data has exceeded the threshold value.

[0132]

As described above, according to the present invention,
Information that can add or supplement a service to the data constituting the content of the program is created as information separate from the content data of the program, and this service additional information is sent to the receiving terminal device separately from the content data. During the playback and display of the program, the data stored as service additional information is read out and subjected to various processings during the playback and display of the program. Additional or supplementary information that enhances the content can be sent as the content of the broadcast, simply broadcast the content data of the program, store this content data, read it out at any time and reproduce it. It is possible to provide a program rich in variations as compared with the process of displaying.

[Brief description of the drawings]

FIG. 1 is a schematic block diagram showing a basic conceptual configuration of a broadcast system of the present invention.

FIG. 2 is a data configuration diagram for explaining the structure and internal configuration of service additional information used in the broadcasting system of the present invention and the state of storage in storage means;

FIG. 3 is a diagram showing an example of the structure of broadcast data used in the broadcast system of the present invention.

FIG. 4 is a block diagram showing a configuration of a multimedia storage and display device as a receiving terminal device used in the broadcast system of the present invention.

FIG. 5 is a data configuration diagram illustrating an example of a structure of service additional information used in the broadcast system of the present invention.

FIG. 6 is a data configuration diagram showing a configuration of relation information as attribute information used in the broadcast system of the present invention.

FIG. 7 is a diagram showing an example of a relational structure of service additional information used in the broadcast system of the present invention.

FIG. 8 is a diagram showing an example of a relation structure of relation information of service additional information used in the broadcast system of the present invention.

FIG. 9 is a diagram showing another example of a relational structure of the service additional information used in the broadcast system of the present invention based on relational information.

FIG. 10 is a data configuration diagram showing a configuration of expiration date information as attribute information used in the broadcast system of the present invention.

FIG. 11 is a data configuration diagram showing a configuration of location information as attribute information used in the broadcast system of the present invention.

FIG. 12 is a data configuration diagram showing a configuration of creator information and provider information as attribute information used in the broadcast system of the present invention.

FIG. 13 is a data configuration diagram showing a configuration of freshness information as attribute information used in the broadcast system of the present invention.

FIG. 14 is a data configuration diagram showing a configuration of signature information as attribute information used in the broadcast system of the present invention.

FIG. 15 is a data configuration diagram showing a configuration of usage qualification information as attribute information used in the broadcast system of the present invention.

FIG. 16 is a data configuration diagram showing the configuration of rebroadcast-related information as attribute information used in the broadcast system of the present invention.

FIG. 17 is a data configuration diagram showing a configuration of reliability information as attribute information used in the broadcast system of the present invention.

FIG. 18 is a data configuration diagram showing a configuration of alternative information of attribute information used in the broadcast system of the present invention.

FIG. 19 is a diagram showing an example of a display screen when service additional information is displayed on the reproduction / display unit of the multimedia storage display device of the present invention.

FIG. 20 is a diagram showing another example of the display screen when the service additional information is displayed on the reproduction / display unit of the multimedia storage display device of the present invention.

FIG. 21 is a diagram showing still another example of the display screen when the service additional information is displayed on the reproduction / display unit of the multimedia storage display device of the present invention.

FIG. 22 is a view for explaining the concept of a group among a plurality of pieces of additional service information according to the present invention.

FIG. 23 is a data configuration diagram showing a configuration of group information as attribute information used in the broadcast system of the present invention.

FIG. 24 is a view for explaining a grouping method for service additional information x in the service additional information listed in FIG. 22;

FIG. 25 is a data configuration diagram illustrating a storage format of meta service information that defines a group in the present invention.

FIG. 26 is a logical model diagram of a group in the storage unit when the group is defined in the present invention.

FIG. 27 is a diagram illustrating an example of a mounting structure of a group in a storage unit when the group is defined in the present invention.

FIG. 28 is a flowchart illustrating a processing procedure for grouping and structuring service additional information in the multimedia storage and display device of the present invention.

FIG. 29 (a) is a model diagram showing an example of a relationship structure for a plurality of pieces of service additional information a, b, c, d, and e used in the broadcasting system of the present invention and associated with one tree structure; (B) A model diagram showing an example of a relational structure of a plurality of pieces of additional service information x, y, and z used in the broadcast system of the present invention and associated with a tree structure different from that of (a).

FIG. 30 is a diagram showing a process when an attempt is made to combine a plurality of pieces of additional service information belonging to different related groups in the broadcast system of the present invention;

FIG. 31 is a model diagram showing an example of a relational structure of new service additional information obtained by the combining process in the broadcast system of the present invention.

FIG. 32 is a data configuration diagram showing a configuration of event information as attribute information used in the broadcast system of the present invention.

FIG. 33 is a block diagram showing a configuration of an event processing mechanism in the multimedia storage and display device of the present invention.

FIG. 34 is a diagram showing a display example of a CM using event information in the multimedia storage display device of the present invention.

FIG. 35 is a diagram showing a situation where a CM service is inserted into a main part broadcast by displaying a CM using event information in the multimedia storage and display apparatus of the present invention.

FIG. 36 is a diagram showing a configuration of an event table of an event processing mechanism in the multimedia storage display device of the present invention.

FIG. 37 is a diagram showing a configuration of a storage unit of a processing mechanism for recording and storing a user's operation history in the multimedia storage display device of the present invention.

FIG. 38 is a flowchart illustrating the operation of storing the operation history of the user in the multimedia storage and display device of the present invention.

FIG. 39 is a diagram showing another example of the structure of the storage unit of the processing mechanism for recording and storing the operation history of the user in the multimedia storage display device of the present invention.

FIG. 40 is a data configuration diagram showing a configuration of method information as attribute information used in the broadcast system of the present invention.

FIG. 41 is a diagram showing a display example of a CM service having method information in the multimedia storage display device of the present invention.

FIG. 42 shows a state in which a CM service having method information is displayed on the multimedia storage display device of the present invention.
The figure which shows the example of a display which displays the price list of CM goods on the screen of a reproduction | regeneration / display part with goods.

FIG. 43 is a diagram showing a configuration of a storage unit of a method processing mechanism in the multimedia storage display device of the present invention.

FIG. 44 is a diagram showing a relationship structure between service information and a method used in the broadcast system of the present invention.

FIG. 45 is a block diagram showing a configuration of a method processing mechanism in the multimedia storage display device of the present invention.

FIG. 46 is a flowchart for explaining the operation procedure of additional addition processing of service additional information in the method processing in the multimedia storage display device of the present invention.

FIG. 47 is a flowchart for explaining the message driving operation procedure in the method processing in the multimedia storage display device of the present invention.

FIG. 48 is a diagram showing an example of an interrelation structure of a plurality of pieces of additional service information in the broadcast system of the present invention.

FIG. 49 is a diagram illustrating an example of an internal structure of service additional information in the broadcast system according to the present invention.

FIG. 50 is a diagram showing another example of the internal structure of the service additional information in the broadcast system of the present invention.

FIG. 51 is a flowchart illustrating an operation procedure of an operation of referring to additional service information in the multimedia storage and display device of the present invention.

FIG. 52 is a flowchart illustrating an operation procedure of a succession operation in the multimedia storage display device of the present invention.

FIG. 53 is a diagram showing a schematic data configuration of information on a watching program of a soccer game viewed by the multimedia storage display device and a relationship between the information;

FIG. 54 is a diagram showing a relationship between team information, soccer broadcasting, and performance information of the entire league regarding program data when watching a soccer game using the multimedia storage and display device of the present invention.

FIG. 55 is a diagram showing a display example of a screen indicating that the display is performed by executing the information mark event process in the multimedia storage display device of the present invention.

FIG. 56 is a diagram showing a display example of a screen by executing a sponsor event process in the multimedia storage display device of the present invention.

FIG. 57 is a diagram showing a display example of a screen by executing a CM event process in the multimedia storage display device of the present invention.

FIG. 58 is a diagram showing a state in which a method is activated when an information display operation is performed in the multimedia storage display device of the present invention.

FIG. 59 is a diagram showing a display example of a screen when a method is started by an information display operation in the multimedia storage display device of the present invention.

60 is a diagram showing a display example of a screen when a method is started by operating the information display button on the screen shown in FIG. 59 in the multimedia storage display device of the present invention.

FIG. 61 is a diagram showing a state in which a method is started by operating the information display button on the screen shown in FIG. 60 and a correspondence relationship between service additional information and corresponding content in the multimedia storage display device of the present invention;

62 is a diagram showing a display example of a screen when a method is started by operating the information display button of the screen shown in FIG. 60 in the multimedia storage display device of the present invention.

63 is a diagram showing a display example of a screen when a method is started by operating a player information display button on the screen shown in FIG. 62 in the multimedia storage display device of the present invention.

FIG. 64 is a display example of a screen when an information classification application is started based on an automatic classification processing operation at the time of accumulating service additional information based on the intention of the center when broadcasting using the broadcast system of the present invention. Diagram shown

FIG. 65 is a diagram showing a display example of a screen when the information classification display application is started by the group designation operation of the screen shown in FIG. 64 in the multimedia storage display device of the present invention;

FIG. 66 is a diagram showing a display example of a screen when a service additional information viewer is activated by a search and display operation of service additional information in the multimedia storage display device of the present invention.

FIG. 67 is a flowchart for explaining the storage (format conversion) operation of the service additional information.

FIG. 68 is a flowchart illustrating the accumulation processing operation of a plurality of related service additional information.

FIG. 69 is a flowchart illustrating a reference processing operation of unreceived service additional information.

FIG. 70 is a flowchart for explaining the service additional information discarding operation;

[Explanation of symbols]

 REFERENCE SIGNS LIST 1 video channel broadcast 2 data broadcast 3 service additional information C content 4 storage means 7 display screen 41 antenna 42 tuner 43 demodulator 44 separation unit 45 service decoder 46 service additional information decoder 47 data processing control unit 48 modem device 50 communication network 51 communication Control unit 52 Overlay unit 53 Playback / display unit 54 User interface unit 55 Remote control pad unit 56 Keyboard 57 Operation recording unit 58 Program execution unit 59 Download program 60 Local disk 62 Storage control unit 63 Discard control unit 64 Peripheral device 70, 100 Attribute information 71 Attribute type 72 Attribute detailed information 73 Selection condition 74 Relation information 75 Relation type 76 Relation information body 77 Reference type 78 Reference information 79 Expiration date 80 Signature information 81 Expiration date information Information 84 location information 87 creator information 90 provider information 93 freshness information 94 signature information 95 usage qualification information 96 rebroadcast related information 99 reliability information

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[Procedure amendment]

[Submission date] September 18, 1996

[Procedure amendment 1]

[Document name to be amended] Drawing

[Correction target item name] All figures

[Correction method] Change

[Correction contents]

FIG. 5

FIG. 6

FIG. 10

FIG. 11

FIG.

FIG. 2

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FIG.

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FIG.

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FIG.

FIG. 23

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FIG.

FIG.

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FIG.

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FIG. 51

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FIG. 67

FIG. 68

 ──────────────────────────────────────────────────続 き Continuing from the front page (72) Inventor Ryota Tachi Tate 1006 Odakadoma, Kadoma City, Osaka Prefecture Inside Matsushita Electric Industrial Co., Ltd. (72) Inventor Kenichi Fujita 1006 Kazuma Kadoma, Kadoma City, Osaka Matsushita Electric Industrial Co., Ltd.

Claims (46)

[Claims] Claims 1. A service content data of various programs composed of video information, audio information, or character information is provided.
Create service additional information describing the characteristics of these services and the relationship between services as attribute information, broadcast the service content data or service additional information from a center as data of the various programs, and broadcast the service. The content data or service additional information is received by the viewer's receiving terminal device, and the service content data or service additional information received by the receiving terminal device is stored in a storage medium provided in the receiving terminal device and managed asynchronously with each other. , Maintain, read and play back the service content data or the service additional information stored in the storage medium at an arbitrary timing, and add the service additional information to the content data as needed to play back, and watch the program. A broadcasting system characterized in that: 2. The service content data and the service additional information stored in the storage medium are broadcast,
The broadcast system according to claim 1, wherein the broadcast system receives the broadcast message. 3. The service additional information includes a relationship between at least one service additional information and another service additional information,
Alternatively, the receiving terminal device has one or a plurality of pieces of relation information including relation type information indicating a relation between one service additional information and a service corresponding to another service additional information, and reference information for referencing the relation. 3. The broadcasting system according to claim 1, wherein, in response to a request from a user, related information is referred to, and service additional information and a service are searched according to the related information. 4. The broadcast system according to claim 3, wherein the service additional information includes one service additional information and a service expiration date corresponding to the service additional information as one of the attribute information. 5. The service additional information has at least one of one service additional information and a creator information and a provider information of a service corresponding to the service additional information, as one of attribute information. 4. The broadcasting system according to claim 3, wherein: 6. The broadcasting system according to claim 3, wherein the service additional information includes location information of a service corresponding to another service additional information related to the service additional information in the related information. 7. The broadcasting system according to claim 6, wherein the location information can be dynamically changed. 8. The broadcasting system according to claim 6, wherein, when searching for the related information in the receiving terminal device, if the service additional information and the service corresponding to the service additional information do not exist, the broadcast system refers to the location information. 9. The broadcasting system according to claim 3, wherein the service additional information includes the service additional information and signature information of a service corresponding to the service additional information in the service additional information. 10. The broadcasting system according to claim 3, wherein the service additional information can store a program executed in the receiving terminal device, moving image data, and still image data in the service additional information. 11. The broadcast according to claim 3, wherein the service additional information has, as one of the attribute information, specification information of a receiving terminal device for reproducing and displaying a service corresponding to the service additional information. system. 12. The broadcasting system according to claim 3, wherein the service additional information has usage qualification information as one of the attribute information. 13. The broadcasting system according to claim 3, wherein the service additional information allows setting of a selection condition in the attribute information, and a plurality of attribute information can be stored by changing the selection condition. 14. The service additional information, when registering and updating the service additional information by using a broadcast, have scheduled rebroadcast date and time information or rebroadcast cycle information as one of the attribute information. Item 3. The broadcast system according to Item 3. 15. The broadcasting system according to claim 3, wherein the service additional information has service additional information and freshness information of a service corresponding to the service additional information as one of the attribute information. 16. The broadcasting system according to claim 15, wherein the freshness information includes a time until the scheduled rebroadcast date and time indicated by the scheduled rebroadcast date and time information. 17. The broadcasting system according to claim 15, wherein the freshness information includes the elapsed time from the registration and update date of the service additional information. 18. The method according to claim 15, wherein the freshness information includes the remaining date and time until the expiration date of the service.
Broadcast system as described. 19. The broadcasting system according to claim 3, wherein the service additional information includes service additional information and service reliability information corresponding to the service additional information as one of the attribute information. 20. The broadcast system according to claim 3, wherein the service additional information has alternative information of optional attribute information and optional related information. 21. The broadcasting system according to claim 3, wherein the service additional information is structured using the relation information. 22. The service additional information uses service additional information composed only of relationship information and attribute information,
22. The broadcasting system according to claim 21, wherein the service additional information is structured. 23. The attribute information has a flag that can take at least two values, a processing procedure corresponding to the flag value, and an execution procedure that executes the processing procedure in response to a change in the flag value. The broadcasting system according to claim 3, wherein: 24. The reception terminal device according to claim 13, wherein the value of the flag in the attribute information in the other service additional information stored in the reception terminal device is changed according to the attribute information in the received service additional information. 24. The broadcasting system according to claim 23, wherein: 25. By changing the value of the flag,
On the receiving terminal device side, insert a CM into the content data of the program,
25. The broadcast system according to claim 24, wherein display can be performed. 26. By changing the value of the flag,
The broadcast system according to claim 24, wherein the receiving terminal device can perform an emergency broadcast. 27. The broadcasting system according to claim 3, wherein a method can be set in the service additional information. 28. The broadcasting system according to claim 27, wherein a method set in the service additional information can be executed by sending a message to arbitrary service additional information. 29. In the reception control of a plurality of related service additional information, meta service additional information indicating completion of transmission is transmitted from the center to the receiving terminal device, and consistency of reception confirmation of the plurality of service additional information is ensured. 4. The broadcasting system according to claim 3, wherein: 30. When receiving a plurality of related service additional information, for which a plurality of service additional information for which consistency is not guaranteed is referred to, a plurality of service additional information that could not be input are provided to the user. 3. Notifying that no is input.
9. The broadcast system according to 9. 31. When receiving a plurality of pieces of service additional information for which consistency is not assured with reference to a plurality of pieces of service additional information that could not be input when receiving a plurality of related service additional information, 31. The broadcast system according to claim 29, wherein the broadcast is input from a communication line or an external storage device. 32. For service content data of various programs composed of video information, audio information, or character information, service additional information describing characteristics of these services, relationships between services, and the like as attribute information is provided. The service content data or the service additional information is created and broadcast from the center as the data of the various programs, and the broadcasted service content data or the service additional information is received by the receiving terminal device of the viewer, and the received service content is received. The data or the service additional information is stored in the storage means provided in the receiving terminal device and managed and maintained asynchronously with each other, and the service content data or the service additional information stored in the storage means is read out and reproduced at an arbitrary timing. At the same time, if necessary, add the service additional information to the content data and play it back. Means for receiving a multimedia data including service content data or service additional information, comprising a receiving terminal device used in a broadcast system for viewing a program, a means for decoding service additional information from the multimedia data, and a service Accumulation and analysis of content data and service additional information,
A data processing control unit for executing processing such as processing, an accumulation control unit for accumulating service content data and service additional information in a storage unit, and a reproduction / display unit for reproducing and displaying a program read from the storage unit. A multimedia storage and display device, comprising: 33. The multimedia storage device according to claim 32, wherein the multimedia storage device comprises a system timer, and changes a value of a flag in attribute information in service additional information stored in the storage means. Display device. 34. The multimedia storage and display device according to claim 32, further comprising an operation recording unit that records operation records of one or more users for the service additional information for each user. 35. The multimedia storage and display device according to claim 32, further comprising a data addition / subtraction unit that performs addition and subtraction of the service additional information. 36. The multimedia storage according to claim 32, further comprising means for accessing a center via a network when an address portion of attribute information in the service additional information refers to unresolved information. Display device. 37. The multimedia storage and display device according to claim 32, wherein when storing the additional service information in the storage unit, the storage control unit converts the data format based on the communication format and stores the converted data. 38. The storage control unit, when storing the service additional information in the storage unit, based on the user's preference as a selection condition, and selectively stores only the service additional information that matches the criterion in the storage unit. 33. The multimedia storage and display device according to claim 32. 39. The multimedia storage and display device according to claim 38, wherein the storage control unit adds selection condition data to the service additional information and stores the service additional information when storing the service additional information in the selective storage operation. 40. The storage control unit according to claim 43, wherein in the selective storage operation, if the address portion of the related information of the service additional information is unresolved, the storage control unit searches the multimedia storage and display device for resolution. 32. The multimedia storage and display device according to 32. 41. The multimedia storage and display device according to claim 32, further comprising a data discarding control unit for discarding the service additional information stored in the storage unit. 42. The multimedia according to claim 41, wherein the data discarding control unit discards the service additional information from the closest rebroadcasting time set in the service additional information. Storage display device. 43. The multimedia according to claim 41, wherein the data discarding control unit discards the service additional information from service additional information having alternative information of optional attribute information and optional related information. Storage display device. 44. The multimedia storage and display device according to claim 41, wherein the data discarding control unit discards the service additional information from lower priority. 45. The multimedia storage and display apparatus according to claim 41, wherein the data discarding control unit discards the service additional information from the ones with the lowest access frequency. 46. The data discarding control unit, when discarding the service additional information, discards the one with the longest time since the last access.
A multimedia storage and display device as described in the above.