WO2001011871A1 - Dispositif pour guide de programme - Google Patents
Dispositif pour guide de programme Download PDFInfo
- Publication number
- WO2001011871A1 WO2001011871A1 PCT/JP1999/007358 JP9907358W WO0111871A1 WO 2001011871 A1 WO2001011871 A1 WO 2001011871A1 JP 9907358 W JP9907358 W JP 9907358W WO 0111871 A1 WO0111871 A1 WO 0111871A1
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- WO
- WIPO (PCT)
- Prior art keywords
- program
- program guide
- information
- update
- program information
- Prior art date
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/08—Systems for the simultaneous or sequential transmission of more than one television signal, e.g. additional information signals, the signals occupying wholly or partially the same frequency band, e.g. by time division
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/435—Processing of additional data, e.g. decrypting of additional data, reconstructing software from modules extracted from the transport stream
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04H—BROADCAST COMMUNICATION
- H04H60/00—Arrangements for broadcast applications with a direct linking to broadcast information or broadcast space-time; Broadcast-related systems
- H04H60/02—Arrangements for generating broadcast information; Arrangements for generating broadcast-related information with a direct linking to broadcast information or to broadcast space-time; Arrangements for simultaneous generation of broadcast information and broadcast-related information
- H04H60/07—Arrangements for generating broadcast information; Arrangements for generating broadcast-related information with a direct linking to broadcast information or to broadcast space-time; Arrangements for simultaneous generation of broadcast information and broadcast-related information characterised by processes or methods for the generation
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04H—BROADCAST COMMUNICATION
- H04H60/00—Arrangements for broadcast applications with a direct linking to broadcast information or broadcast space-time; Broadcast-related systems
- H04H60/25—Arrangements for updating broadcast information or broadcast-related information
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04H—BROADCAST COMMUNICATION
- H04H60/00—Arrangements for broadcast applications with a direct linking to broadcast information or broadcast space-time; Broadcast-related systems
- H04H60/68—Systems specially adapted for using specific information, e.g. geographical or meteorological information
- H04H60/72—Systems specially adapted for using specific information, e.g. geographical or meteorological information using electronic programme guides [EPG]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
- H04N21/235—Processing of additional data, e.g. scrambling of additional data or processing content descriptors
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
- H04N21/236—Assembling of a multiplex stream, e.g. transport stream, by combining a video stream with other content or additional data, e.g. inserting a URL [Uniform Resource Locator] into a video stream, multiplexing software data into a video stream; Remultiplexing of multiplex streams; Insertion of stuffing bits into the multiplex stream, e.g. to obtain a constant bit-rate; Assembling of a packetised elementary stream
- H04N21/2362—Generation or processing of Service Information [SI]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/25—Management operations performed by the server for facilitating the content distribution or administrating data related to end-users or client devices, e.g. end-user or client device authentication, learning user preferences for recommending movies
- H04N21/262—Content or additional data distribution scheduling, e.g. sending additional data at off-peak times, updating software modules, calculating the carousel transmission frequency, delaying a video stream transmission, generating play-lists
- H04N21/26291—Content or additional data distribution scheduling, e.g. sending additional data at off-peak times, updating software modules, calculating the carousel transmission frequency, delaying a video stream transmission, generating play-lists for providing content or additional data updates, e.g. updating software modules, stored at the client
Definitions
- the present invention relates to a program guide providing apparatus that edits program information related to a program provided by broadcasting such as digital television broadcasting, generates a program guide table from the edited program information, and provides the program guide table. is there. Background art
- an EPG Electronic Program Guide
- an EPG table is generated.
- the DIT makes up the various tables such as NIT (Network Information Table), SDT (Service Description Table), and EIT (Event Information Table) at predetermined intervals. It is generated and sent to the outside as TS (Transport Stream) packet.
- the present invention has been made to solve the above-described problem, and it is an object of the present invention to reduce the load when generating various tables constituting a program guide table. It is an object of the present invention to obtain a program guide providing device capable of performing the following. Disclosure of the invention
- a program guide providing apparatus comprises: an editing unit for editing program information; a program information storage unit for storing program information edited by the editing unit; and a program information stored in the program information storage unit. And a table generating means for generating a program guide table by providing the generated program guide table, wherein the editing means updates the program information stored in the program information storage means. Update information relating to the update of the program information is generated, and the table generation means updates the program plan table using the program information stored in the program information storage means based on the update information generated by the editing means. Is what you do.
- the program guide table is updated based on the update information, unnecessary update operations can be omitted, and the processing amount for generating the table can be reduced.
- a program guide providing apparatus includes update information storage means for storing update information generated by an edit means, wherein the edit means updates program information stored in the program information storage means.
- the update information relating to the update of the program information is stored in the update information storage means, and the table generation means stores the program information stored in the program information storage means based on the update information stored in the update information storage means. This is used to generate a program guide table.
- the program schedule table can be updated based on the update information stored in the update information storage means, unnecessary update operations can be omitted, and the processing amount at the time of table generation can be reduced. There is an effect that can be done.
- the program guide table includes: The table generation means determines a program information table that needs to be updated based on the update information of the program information, and updates only the relevant program information table. .
- the table generating means updates only the corresponding program information table at a predetermined time interval.
- the table generation means sets a predetermined time interval for updating the program information table according to the transmission frequency of the program information table having the highest transmission frequency.
- the table generation means sets a predetermined time interval for updating each program information table according to the transmission frequency of each program information table.
- a program guide providing apparatus includes a plurality of editing means, and each editing means browses update information of another editing means stored in an update information storage means.
- the program information can be updated in accordance with the update content of the other editing means, and a conflicting or inconsistent update with the update content of the other editing means is performed. There is an effect that can be prevented.
- the update information storage means stores the history of the update information from the edit means, and the edit means stores the update information stored in the update information storage means as needed.
- the update of the program information stored in the program information storage means is restored by referring to the history.
- the table generating means determines whether or not a problem occurs in the generation of the program guide table due to the update of the program information by the editing means when generating the program guide table. Then, if it is determined that a problem occurs, the above-mentioned editing means is notified to that effect, and the updating of the program information is invalidated.
- the table generating means determines whether or not a problem occurs in the generation of the program guide table due to the update of the program information by the editing means when generating the program guide table. Then, when it is determined that a problem occurs, the above-mentioned editing means is notified to that effect, and the program information is re-edited.
- the editor can modify the program information into a format that satisfies the standard restrictions, and can eliminate the editing of program information that violates the standards restrictions.
- the table generating means determines whether or not a problem occurs in the generation of the program guide table due to the update of the program information by the editing means when generating the program guide table. Then, If it is determined that the update will occur, the above-mentioned editing means is notified to that effect, and the program information stored in the program information storage means is updated by referring to the history of the update information stored in the update information storage means. It is an undo.
- the program guide providing apparatus includes a plurality of table generating means for sharing and generating a program guide table.
- the table generating means when the table generating means periodically provides the generated program guide table at a predetermined time interval and updates the program plan table, the table is updated at the same time. It provides a program guide table.
- FIG. 1 is a block diagram showing a configuration of a program guide providing apparatus according to Embodiment 1 of the present invention.
- FIG. 2 is a diagram showing an example of a program guide table.
- FIG. 3 is a diagram showing an example of EIT updated by the program guide providing apparatus according to Embodiment 1 of the present invention.
- FIG. 4 is a table of a program guide providing apparatus according to Embodiment 2 of the present invention.
- FIG. 11 is a evening timing chart showing an example of a table update performed by the generation unit.
- FIG. 5 is an evening timing chart showing an example of a table update timing performed by the table generation unit of the program guide providing apparatus according to Embodiment 4 of the present invention.
- FIG. 6 is a block diagram showing a configuration of a program guide providing apparatus according to Embodiment 5 of the present invention.
- FIG. 7 is a block diagram showing a configuration of a program guide providing apparatus according to Embodiment 7 of the present invention.
- FIG. 8 is a block diagram showing a configuration of a program guide providing apparatus according to Embodiment 9 of the present invention.
- FIG. 9 is a timing chart showing an example of table generation and transmission performed by the program guide providing apparatus according to the tenth embodiment.
- FIG. 1 is a block diagram showing the configuration of a program guide providing apparatus according to Embodiment 1 of the present invention.
- reference numeral 11 denotes an editing unit (editing means) 31 or 32 which will be described later.
- a program information storage unit (program information storage means) 21 for storing updated program information refers to the program information stored in the program information storage unit 11 and uses the ATSC standard (Program and System Iniormation Protocol for the US). (Terrestrial and Cable) and the Japanese ARIB standard (standard for arrangement of program information used for digital broadcasting).
- Table generating units (table generating means) 31 and 32 for generating various tables, respectively, newly edit program information for an editor, store the program information in the program information storage unit 11 and execute the program.
- Editing that enables the program information stored in the information storage unit 11 to be updated, and provides information related to program editing or program information update resulting from program editing or program information updating to the table generation unit 21. Department.
- the present invention may have at least one editing unit.
- the program guide providing device according to the present invention may have three or more editing units.
- the program information storage unit 11, the table generation unit 21, and the editing units 31 and 32 are provided separately by wired or wireless communication lines, and communicate with each other via the communication lines. It is, of course, also possible to configure the program guide providing apparatus according to the first embodiment.
- the table generator 21 outputs, for example, various tables constituting a program guide table according to the Japanese ARIB standard.
- the program guide table specified by the ARIB standard is composed of a plurality of information units called “tables" with different types of information.
- a NIT that stores information related to the service network
- SD ⁇ ⁇ that store information related to channels (services) organized by broadcasters
- ⁇ I ⁇ that store information related to each program (event) in the channel.
- EIT a table showing the current and next events, such as “the event currently being broadcast and the event that is scheduled to be broadcast next,” and “from today (or how many days) to X Separate tables for Event I Is generated.
- the former is called EIT [current / next]
- the latter is called EIT [schedule].
- EIT [schedule] is a table indicating events from the first day (today) to the fourth day.
- EIT a table showing events from the 5th to the 8th day EIT [Schedule] Generated as a separate table that is divided every 4 days, such as the 5th to 8th days.
- FIG. 2 shows an example of a program guide table when, for example, broadcasting is performed on three channels (services) X to Z in a terrestrial network.
- the program guide table is composed of information of various tables as shown in Fig. 2, and information related to the network such as ⁇ network name '' and ⁇ network ID '' is stored and provided in the NIT. .
- Information related to services such as “service name”, “broadcaster name” and “service ID” is stored in the SDT, and “program name”, “program content”, “genre”, “event ID” Information on programs such as "" is stored and provided in the EIT.
- the program information storage unit 11 stores program information edited or input by the editing units 31 and 32 or updated.
- the table generation unit 21 reads out the program information stored in the program information storage unit 11 and generates a table such as NIT, SDT, and EIT.
- the program information stored in the program information storage unit 11 is added by the editor using the editing unit 31 or 32 to add new program information or change or delete previously input program information. If you want to update A desired update is applied to the program information stored in the program information storage unit 11 in accordance with the input of the editor, and information relating to the update, for example, which information such as which event (program) ID has been updated is transmitted. Whether the content has been updated, a new event (program) has been added, the content of the event (program) has been corrected, or the event (program) has been deleted. Update information is notified to the table generation unit 21. Then, based on the notified update information, the table generation unit 21 can recognize which program information has been updated and how, and which table should be regenerated. Determine if you should. For example, in the case of an update in which a program is newly added, the table generation unit 21 determines that it is not necessary to regenerate NIT and SDT, but it is necessary to regenerate EIT.
- FIG. 3 shows an example of updating the EIT.
- EIT event information is organized by service.
- the EIT [schedule] is stored every four days, for example, four days from today's statement. EIT indicating the event up to the date [Schedule] 1-4, or EIT indicating the event from the 5th to 8th day [Schedule] 5th to 8th day, etc. Is done.
- Table generation unit 21 is not an event that is scheduled to be broadcast next.
- EIT [Schedule] Update and regenerate the contents for the first to fourth days, but do not update ⁇ ⁇ ⁇ [Current / Next]. Further, EI ⁇ having another service ID is not updated.
- the table generation unit 2 1 regenerates only the corresponding EIT and retransmits it.
- the table generating unit 21 selects only the tables that need to be regenerated. Is determined, and only the relevant table is regenerated. Therefore, unnecessary update operations can be omitted, and the processing amount for generating the table can be reduced.
- the table generation unit 21 regenerates only the necessary tables to reduce the amount of table generation processing.
- the program plan providing device according to the form 2 determines whether the table generation unit 21 needs to regenerate the table based on the update information received from the editing units 31 and 32 within a fixed time. To judge.
- the function of the table generator 21 is only slightly different from that according to the first embodiment. With reference to the configuration of the program guide providing apparatus 1 described above, only the characteristic processing of the table generation unit 21 will be described.
- FIG. 4 is a timing chart showing an example of a temporal processing flow in the table generation unit 21 of the program guide providing apparatus according to Embodiment 2 of the present invention. -It is a figure.
- the table generation unit 21 determines, at predetermined time intervals, for example, every 10 seconds, whether or not there is a table to be updated, and if there is a table to be updated, regenerates the table. For example, as shown in FIG. 4, the table generation unit 21 updates the table at timings corresponding to times R1 to R5.
- update information of program information is notified from the edit unit 31 to the table generation unit 21, and at time T2, the update information of program information is transmitted from the edit unit 32.
- the update information is notified to the table generation unit 21, at times R 1 to R 3, the update information of the program information is notified to the table generation unit 21 from the editing units 31 and 32. No update is performed.
- the table generation unit 21 Since the table is updated only at time intervals, the regeneration of the table based on the update information is performed at time R4.
- the table when the table is regenerated in accordance with the arrival of the update information from the editing units 31 and 32, the table is regenerated each time (in the above example, twice).
- regeneration is required, according to the second embodiment, a desired update can be completed by one table regeneration, and unnecessary update operations can be omitted. As a result, table generation The amount of table generation processing in the unit 21 can be reduced.
- table generation unit 21 generates a table at a predetermined time interval, so that update information is notified from the editing unit several times within each time interval. Also, the desired update can be completed by one table regeneration, and unnecessary update operations can be omitted. As a result, there is an effect that the processing amount in the table generation unit 21 can be reduced.
- the program guide providing apparatus determines whether or not a predetermined time interval for receiving update information, that is, a table update timing, The setting is made in accordance with the transmission interval of a table having a short transmission interval, that is, the transmission frequency of the program information table having the highest transmission frequency. This makes it possible to achieve the transmission frequency defined in the standards of all the program information tables.
- the lower limit of the table transmission frequency is set for each type of table according to the standard. It is necessary to transmit repeatedly so as to maintain the transmission frequency, and when program information is updated, the updated content must be reflected in each table.
- the table with the shortest table transmission interval is EIT [current / next], and EIT [current / next] specifies that it is at least once every 2 seconds, so EIT [current / next] ] Is repeated every 2 seconds
- the update timing of each table in the table generation unit 21 must also be set at least once every two seconds. If this is not the case, there will be a situation in which an EIT [current / next] that does not reflect the update will be sent even though the program information update has been notified. Therefore, in the third embodiment, the table is updated at a predetermined time interval as in the second embodiment, but the predetermined time interval is set to a table having the shortest table transmission interval among the tables. Set according to the transmission interval of EIT [Current / Next]. By doing so, even when the tables are updated at predetermined time intervals, the updated contents of each table can be always kept up to date as in the case of the first embodiment.
- the predetermined time interval is set to the table having the shortest table transmission interval among the tables according to the EIT [current / current]. Since the setting is made in accordance with [Next], even when the table is updated at a predetermined time interval, the updated contents of each table can always be kept up-to-date as in the case of the first embodiment. There is. As a result, each table can be updated and transmitted more efficiently than in Embodiments 1 and 2 described above. Embodiment 4.
- the program guide providing apparatus provides a predetermined time interval for updating the table based on the update information, that is, the table update timing is set to the shortest table transmission interval among the tables.
- the program guide providing apparatus is adapted to the transmission interval of each table, the predetermined time interval for updating each table, that is, the update timing of each table, It is set according to the frequency, that is, the transmission interval.
- the lower limit of the table transmission frequency specified by the ARIB standard differs depending on the type of table. For example, the transmission frequency of the EIT is specified to be once every two seconds, while the transmission frequency of the NIT is specified to be once or more every ten seconds, and differs from table to table.
- the table generation unit 21 of the program guide providing apparatus sets the update timing of each table according to the transmission frequency determined for each table, that is, the predetermined transmission interval. It was done. In other words, for each table such as NIT, SDT, and EIT, a predetermined time interval for updating the table is set according to the transmission frequency of each table.
- FIG. 5 shows an example of the setting of the update timing of each table according to the fourth embodiment.
- the table generation unit 21 takes a table update timing of R1 to R6 once every two seconds for EIT [current / next], while For the NIT, R1 and R6 are updated once every 10 seconds. Note that update information indicating that there is an update to each table from the editing unit 31 at time T1 and from the editing unit 32 at time T2 are notified to the table generation unit 21. And
- EIT [current Z-order] When the table generation unit 21 determines that the EIT [current Z-order] needs to be updated based on the update information from the editing unit 31, the next table update timing of this EIT [current / next] is required. EIT [current / next] is updated in R4. On the other hand, when it is determined from the update information from the editing unit 32 that the NIT needs to be updated, the NIT is updated at R6, which is the next table update timing of the NIT.
- Embodiment 4 of the present invention updating of each table is set in accordance with the transmission frequency, that is, the transmission interval determined for each table. Update and submit well It has the effect that it becomes possible.
- Embodiment 5
- FIG. 6 is a block diagram showing a configuration of a program guide providing apparatus according to Embodiment 5 of the present invention.
- reference numeral 41 denotes an update information storage unit (update information storage means) for storing update information output from the editing units 31 and 32.
- Each of the editing units 3 1 and 3 2 accesses the update information storage unit 41 and browses the information on the update of the program information made by the other editing unit stored in the update information storage unit 41 be able to.
- the other configuration is the same as that of the first embodiment shown in FIG. 1, and therefore, the same reference numerals are given and the description is omitted.
- the program information stored in the program information storage unit 11 is changed by the editor using the editing unit 31 or 32 to add new program information or change or delete already input program information.
- the editing unit 31 or 32 writes the update information in the update information storage unit 41.
- the table generation unit 21 accesses the update information storage unit 41 constantly or periodically, refers to the update information written in the update information storage unit 41, and performs the same processing as in the first to fourth embodiments.
- the table to be regenerated is determined, the necessary program information stored in the program information storage unit 11 is read, and the corresponding table is regenerated.
- each of the editing units 31 and 32 accesses the update information storage unit 41, and refers to the update information written in the update information storage unit 4 by the other editing unit.
- the update information generated by the editing unit can be viewed.
- each of the editing units 31 and 32 can browse the update information generated by the other editing unit via the update information storage unit 4. Therefore, update information can be shared between editorial departments, program information can be updated in accordance with the update content of the other editorial department, and conflicting or contradictory updates to the update content of the other editorial department must be made. Can be prevented.
- the update information storage unit 11 in the table generation unit 21 or the same as the update information storage unit 11 is used.
- a storage unit such as a memory or a disk device having the above function may be provided. This is the same in other embodiments having the update information storage unit 11 described below.
- the program guide providing apparatus stores update information output from the editing units 31 and 32 in the update information storage unit 41, and stores the update information in the editing unit 3 1 as well as the table generation unit 21. , And 32 allow access to the update information stored by the other editing unit, thereby enabling the sharing of the update information between the editing units.
- the program guide providing device further enables the restoration of program information by storing the history of update information in the update information storage unit 41.
- the update information storage unit 41 shown in FIG. 6 stores the update information issued by the editing units 31 and 32.
- the information is sequentially accumulated from the past and stored as an “update history”.
- the information necessary for restoring the updates made by the editing units 31 and 32 that is, if the update is a deletion of program information, the deleted contents and the change of the program information If there is, the information such as the contents before the change is read out from the program information storage unit 11 to the editing units 31 and 32 for transmission, and also stored as an “update history”.
- each of the editing units 31 and 32 refers to the update history stored in the update information storage unit 41 as needed, and stores the program information stored in the program information storage unit 11. It can be restored retroactively.
- the program information stored in the program information storage unit 11 is traced back by referring to the “update history” stored in the update information storage unit 41. There is an effect that can be restored.
- a predetermined standard for example, the upper limit of the information amount of the table specified in the ARIB standard or the like is used. If the limit is exceeded, the table cannot be generated or regenerated.
- the table generating unit 21 can be used by the editing unit 21. By notifying the program information, the update of the program information can be invalidated or the editor can be prompted to re-edit the program information so that the program information can be corrected to a format that meets the standard restrictions.
- FIG. 7 is a block diagram showing a configuration of a program guide providing apparatus according to Embodiment 7 of the present invention.
- the table generation unit 21 of the program guide providing apparatus according to the seventh embodiment is configured so that the table generation unit 21 is one of the editing units 31 and 32.
- the update is restricted by the ARIB standard, such as the number of characters required for the program content in one program. Restrictions and one type of E
- the table generation unit 21 determines that the table generation due to the update violates the restriction, the table generation unit 21 notifies the editing unit that is the update information notification source of the update, and updates the program information. Either disable (prohibit) or send a validity check notice to each prompting the editor to re-edit the program information. Then, upon receiving the notification of the validity check, the relevant editing unit automatically invalidates the update of the program information or notifies the editor that the update is invalid. In the latter case, the editor can invalidate the update and edit it again. Alternatively, upon receipt of the validity check notification, the editing unit may prompt the editor to re-edit the program information so that the program information is corrected so as to satisfy the restrictions in the standard immediately.
- the table generation unit 21 can edit the table information.
- the table generation unit 21 can edit the table information.
- the table generation unit 21 further updates the table when generating the table based on the update information stored in the update information storage unit 41 and the program information stored in the program information storage unit 11. Is checked to see if it violates the restrictions of ARIB and other standards. If the table generation by the update violates the restrictions, the update information is invalidated and the update information storage unit 4
- the program information stored in the program information storage unit 11 is restored retrospectively with reference to the “update history” stored in the program information storage unit 1.
- a validity check notification is sent to the editorial department that sent the update information to notify that the program information does not satisfy the standard restrictions. Then, the editor can be encouraged to re-edit the program information.
- the table generation unit 21 updates the update information.
- the original program information can be restored based on the update information stored in the storage unit 41 and the program information stored in the program information storage unit 11, and the editing unit can be used in the same manner as in the seventh embodiment.
- the editor is encouraged to re-edit the program information, and the program meets the standard restrictions. This has the effect that program information can be modified, and editing of program information that violates restrictions on standards can be eliminated.
- the single table generation unit 21 generates various tables with reference to the update information storage unit 41, but according to the ninth embodiment of the present invention.
- the program guide providing device is equipped with a plurality of table generators, and can distribute the load when generating tables. It is made possible.
- FIG. 8 is a block diagram showing a configuration of a program guide providing apparatus according to Embodiment 9 of the present invention.
- the table generation units 21 to 25 respectively refer to the program information stored in the program information storage unit 11 and the update information stored in the update information storage unit 41, It generates and regenerates the type of table assigned to each table generator.
- the table generator 21 is NIT
- the table generator 22 is SD ⁇
- the table generator 23 is EI ⁇ [current / next]
- the table generator 24 is EI ⁇ ⁇ ⁇ ⁇ ⁇ [schedule].
- the table generation unit 25 On the 1st to 4th days, the table generation unit 25 generates the EI ⁇ [schedule] 5th to 8th days.
- the editing unit 31 changes the description of the program currently being broadcast and the editing unit 32 adds a program one week later
- the EIT [current / next] and the EIT [schedule] 1 Day 4 and EIT [Schedule] Day 5-8 need to be regenerated.
- the table generator 23, the table generator 24, and the table generator 25 regenerate the respective tables, the load can be distributed when generating the tables.
- the table generators 21 and 22 do not need to regenerate the table.
- the load at the time of generating a table is Can be dispersed.
- Embodiment 10 is a configuration of the ninth embodiment. That is, the program guide providing apparatus according to any of the above-described Embodiments 1 to 4 and Embodiments 6 to 8 generates a plurality of tables each of which generates at least one specific table. May be provided.
- Embodiment 10 is a configuration of the ninth embodiment.
- the transmission timing of the table is not changed based on the table generation status.
- the program guide providing apparatus according to the tenth embodiment of the present invention is not limited to the table.
- the table transmission timing is adjusted based on the generation status of the table.
- FIGS. 9 (a) to 9 (c) are timing charts showing an example of generation and transmission of a table in the program guide providing apparatus according to the ninth embodiment.
- FIG. 9 (a) shows the generation timing of a certain table
- FIG. 9 (b) shows the transmission timing of the table every 10 seconds according to Embodiment 2 above.
- FIG. 9 (c) shows the timing of sending the table after the table is changed according to the tenth embodiment.
- FIG. 9 (a) assuming that, for example, at the time T1, update information of the program information is notified to the table generation unit 21 from the editing unit 31. Then, the corresponding table is generated, and the generation of the table ends at time T 2.
- time T2 is set between R3 and R4, which is the transmission timing of this table. Therefore, in the case of Embodiment 2 above, the timing of the next table transmission is R4.
- the updated table information can be transmitted earlier.
- the implementation of this implementation is particularly important for the transmission of tables where early transmission is desired, such as the EIT [current / next] table for programs currently being broadcast, and for tables with long table transmission intervals.
- the mode 10 it is possible to transmit the updated table information earlier.
- the updated table can be transmitted earlier.
- the program guide providing apparatus quickly updates the program guide table from the updated program information when the program information relating to the program provided by broadcasting such as digital television broadcasting is updated. It is suitable for what needs to be generated in advance.
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Multimedia (AREA)
- Databases & Information Systems (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
- Television Systems (AREA)
- Stored Programmes (AREA)
Description
Claims
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB0105901A GB2356759B (en) | 1999-08-04 | 1999-12-27 | Electronic program guide providing device |
CA002345548A CA2345548A1 (en) | 1999-08-04 | 1999-12-27 | Electronic program guide providing device |
US09/802,961 US20030208760A1 (en) | 1999-08-04 | 2001-03-12 | Electronic program guide providing device |
HK02102442.8A HK1040866B (zh) | 1999-08-04 | 2002-04-02 | 節目引導提供裝置 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP11/221082 | 1999-08-04 | ||
JP22108299A JP4250817B2 (ja) | 1999-08-04 | 1999-08-04 | 番組案内提供装置 |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US09/802,961 Continuation US20030208760A1 (en) | 1999-08-04 | 2001-03-12 | Electronic program guide providing device |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2001011871A1 true WO2001011871A1 (fr) | 2001-02-15 |
Family
ID=16761217
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP1999/007358 WO2001011871A1 (fr) | 1999-08-04 | 1999-12-27 | Dispositif pour guide de programme |
Country Status (8)
Country | Link |
---|---|
US (1) | US20030208760A1 (ja) |
JP (1) | JP4250817B2 (ja) |
KR (1) | KR100526917B1 (ja) |
CN (1) | CN1166178C (ja) |
CA (1) | CA2345548A1 (ja) |
GB (1) | GB2356759B (ja) |
HK (1) | HK1040866B (ja) |
WO (1) | WO2001011871A1 (ja) |
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Also Published As
Publication number | Publication date |
---|---|
JP4250817B2 (ja) | 2009-04-08 |
KR100526917B1 (ko) | 2005-11-09 |
GB2356759A (en) | 2001-05-30 |
GB0105901D0 (en) | 2001-04-25 |
KR20010075550A (ko) | 2001-08-09 |
US20030208760A1 (en) | 2003-11-06 |
GB2356759B (en) | 2004-03-03 |
HK1040866A1 (en) | 2002-06-21 |
JP2001045446A (ja) | 2001-02-16 |
CA2345548A1 (en) | 2001-02-15 |
CN1321388A (zh) | 2001-11-07 |
CN1166178C (zh) | 2004-09-08 |
HK1040866B (zh) | 2005-04-08 |
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