JP2006129265A - Program information extraction apparatus, program information display apparatus, broadcast program recording system, program information extraction method, program, and computer readable recording medium with the program recorded thereon - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a program information extraction apparatus capable of extracting program information, corresponding to preference of a user, of a number that can be confirmed without switching a display picture. <P>SOLUTION: The program information extraction apparatus comprises: a program information acquisition unit 14 for receiving a group of program information including program information indicating attributes of broadcast programs, and storing the received group of program information in a storage device 15; a program information specification unit 18 for specifying preference program information out of program information included in the group of program information stored in the storage device 15 when program information including preference information indicating preference of a user is defined as preference program information; a program information number calculation unit 19 for calculating the number of preference program information; and an information extraction unit 20 for selecting program information equal to or less than a first threshold out of the preference program information in accordance with a predetermined criterion if the calculated number of preference program information is more than said first threshold, and extracting the selected program information from the storage device 15. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

  The present invention relates to a program information extraction device, a program information display device, a broadcast program recording system, a program information extraction method, a program, and a program information extraction device for extracting specific program information from a program information group including program information indicating the attributes of the broadcast program. The present invention relates to a computer-readable recording medium on which a program is recorded.

  Conventionally, electronic program guide information (EPG (Electric Program Guide) data) has been used as guide information for television broadcast programs and radio broadcast programs. Currently, using this EPG data and the preference information indicating the user's preference, attributes of the broadcast program according to the user's preference (for example, broadcast date and time, broadcast station, genre, title, and description) The program information indicating the above is provided to the user. Such provision methods include an interest registration method and a viewing history utilization method.

  The interest registration method is a method of previously registering “information indicating items related to user interests (preferences)” and providing program information corresponding to the user preferences based on this information to the user. . Here, the operation of an apparatus that provides program information using the same method will be described.

  This device first inputs from the user information indicating the user's favorite genre (for example, drama / suspense, sports / soccer), information indicating the user's favorite performer, or information indicating the team name. Accept. The apparatus stores the received information as a keyword used for program recommendation. Further, the apparatus specifies a broadcast program including the keyword in the EPG data, and extracts program information indicating the attribute of the specified broadcast program from the EPG data. Further, the apparatus displays the extracted program information on a display screen such as a television in a predetermined display format. As described above, program information related to a broadcast program that the user is interested in can be provided to the user.

  On the other hand, the viewing history method is a method in which viewing history information indicating broadcast programs that the user has viewed in the past is used to provide program information according to the user's preference to the user. This method is disclosed in Patent Document 1, for example. Here, the operation of an apparatus that provides program information using the same method will be described.

This apparatus first analyzes the contents of program information in EPG data corresponding to a broadcast program every time a user views the broadcast program. By this analysis, the apparatus acquires, for example, information indicating a genre, information indicating a performer, and / or information indicating a team name, and accumulates the acquired information in the apparatus. Further, the apparatus specifies a broadcast program including the keyword in the EPG data by using the accumulated information among the accumulated information as a keyword, and sets the attribute of the identified broadcast program. The program information shown is extracted from the EPG data. Further, the apparatus displays the extracted program information on a display screen such as a television in a predetermined format. As described above, it is possible to provide the user with information related to the broadcast program that the user is interested in.
Patent No. 3351058 (issued on November 25, 2002)

  However, the above-described conventional apparatus causes the following problems.

  First, in an apparatus using an interest registration method, all program information related to a broadcast program including the keyword is extracted from EPG data. For this reason, depending on how to select keywords to be registered, the program information to be extracted becomes extremely large.

  For example, when information “suspense” is stored as a keyword, program information relating to each broadcast program as shown in FIG. 17 is extracted. Here, when the extracted program information is displayed in a display format as shown in FIG. 18, it cannot be displayed on one screen because there is much extracted program information. Therefore, the user is forced to check the program information by switching the display screen. For this reason, there arises a problem that it is inconvenient for the user.

  On the other hand, in an apparatus using the viewing history utilization method, as the use of the apparatus proceeds, the number of keywords increases and a lot of program information is extracted. For this reason, even in this apparatus, the extracted program information cannot be displayed on one screen. Therefore, the user is forced to check the program information by switching the display screen. For this reason, there arises a problem that it is inconvenient for the user.

  The present invention has been made in view of the above problems, and its purpose is to extract program information according to user's preference and the number of program information that can be confirmed without switching the display screen. An object of the present invention is to provide a program information extraction device, a program information display device, a broadcast program recording system, a program information extraction method, a program, and a computer-readable recording medium recording the program.

  In order to solve the above problems, a program information extraction apparatus according to the present invention receives a program information group including program information indicating attributes of each broadcast program and stores the received program information group in a first storage device. If the program information acquisition means and the program information including the preference information indicating the user's preference are set as the preference program information, the program information included in the program information group stored in the first storage device A program information specifying means for specifying the favorite program information, a program information number calculating means for calculating the number of the favorite program information, and a predetermined reference if the calculated number of the favorite program information is greater than a first threshold. And selecting information from the preference program information that is equal to or less than the first threshold value and extracting the selected program information from the first storage device.

  According to said structure, the program information acquisition means can memorize | store the program information group containing the program information which showed the attribute of each broadcast program in a 1st memory | storage device. The program information specifying means can specify the favorite program information from the program information included in the program information group stored in the first storage device. Furthermore, the number of favorite program information can be calculated by the program information number calculating means.

  Then, when the number of preference program information calculated by the information extraction means is larger than the first threshold value, the program information of the number equal to or less than the first threshold value can be selected from the preference program information according to a predetermined criterion. Further, the selected program information can be extracted from the first storage device by the information extracting means.

  Therefore, even if the preference program information is greater than the first threshold value, the preference program information less than or equal to the first threshold value can be extracted.

  Therefore, by setting the first threshold value as the number of program information that can be displayed at a time on the display screen of a display device such as a television set, the program information conforms to the user's preference and the display screen is switched. There is an effect that it is possible to extract the number of program information that can be confirmed without any problem.

  Also, the program information extraction apparatus according to the present invention is characterized in that, in the program information extraction apparatus, the information extraction means selects the program information of the first threshold number.

  According to the above configuration, the information extraction means can select the first threshold number of program information. Therefore, the first threshold program information can be extracted by the information extraction means.

  Therefore, the maximum number of program information that can be displayed at one time can be extracted.

  Also, in the program information extraction device according to the present invention, in the program information extraction device, the information extraction means includes, in each program information, predetermined specific information that affects a broadcast viewing situation. Determination means for determining whether or not specific information is included in the program information, and score providing means for assigning a score corresponding to the specific information to the program information, wherein the predetermined criterion is The high score is the highest order.

  According to said structure, it is determined by the determination means whether the specific information which affects the viewing condition of a broadcast program predetermined in each program information is contained. When the program information includes specific information, a score corresponding to the specific information is assigned to the program information by the score giving means.

  Accordingly, program information including specific information that increases the viewing status (for example, audience rating) is given a higher score and higher score than program information including specific information that decreases the viewing status. By extracting the favorite program information in order, it is possible to extract program information equal to or less than the first threshold value according to the user's preference.

  In the program information extracting apparatus according to the present invention, in the above-described program information extracting apparatus, when the program information includes different specific information, the score assigning unit obtains a score corresponding to the specific information for each specific information. In addition to calculating, a score obtained by adding the calculated score is attached to the program information.

  According to said structure, when different specific information is contained in program information by the score provision means, the score according to specific information is calculated for every specific information. Further, a score obtained by adding the calculated scores is given to the program information by the score giving means. That is, when different specific information is included, a sum of scores corresponding to each specific information is added to the program information.

  Therefore, there is an effect that it is possible to extract program information more in line with user preferences.

  In the program information extraction device according to the present invention, in the program information extraction device, when the determination information includes correspondence information corresponding to the specific information, the specific information is included in the program information. It is characterized by determining that it is included.

  Usually, in program information, a part of a group of words is omitted in order to reduce the amount of data. For this reason, the program information may include the corresponding information corresponding to the specific information, but may not include the specific information itself (the entire data constituting the specific information).

  However, according to the configuration of the present invention, when the program information includes correspondence information corresponding to the specific information, the determination unit can determine that the program information includes the specific information.

  Therefore, even if the program information does not include the specific information itself, it is possible to determine that the specific information is included.

  In the program information extracting apparatus according to the present invention, in the program information extracting apparatus, the information extracting unit selects a number of pieces of program information less than the first threshold, and the number of the favorite program information extracted. Program information other than the preference program information is extracted from the first storage device in the descending order of the score within a range in which the sum of the numbers is equal to or less than the first threshold value.

  According to said structure, the number of program information less than a 1st threshold value is screened by an information extraction means. Furthermore, program information other than the favorite program information is extracted from the first storage device in descending order of the score within a range in which the sum of the number of the favorite program information extracted is equal to or smaller than the first threshold value by the information extracting means. .

  Therefore, even if the number of specified preference information programs is equal to or greater than the first threshold, program information is always extracted including program information other than the preference information program and the user's favorite program information. It is possible to do this.

  In the program information extraction apparatus according to the present invention, in the program information extraction apparatus, if the predetermined value less than the first threshold is the second threshold, the information extraction means calculates the calculated preference program information. When the number of favorite program information is less than or equal to the second threshold, all the specified preference program information is extracted from the first storage device, and the sum of the extracted preference program information and the number of preference program information is less than or equal to the first threshold, Program information other than the preference program information is extracted from the first storage device in descending order of the score.

  According to said structure, when the number of the favorite program information calculated by the information extraction means is below a 2nd threshold value, all the said specified favorite program information is extracted from a 1st memory | storage device. Furthermore, program information other than preference program information is extracted from the first storage device in descending order of the score within a range in which the sum of the number of preference program information extracted is equal to or less than the first threshold value by the information extraction means.

  Therefore, even when the number of favorite program information is small, it is possible to extract program information equal to or lower than the first threshold value including program information that the user seems to like.

  The program information extraction apparatus according to the present invention is characterized in that, in the program information extraction apparatus, information indicating that a broadcast program is a new program is used as the specific information.

  According to said structure, the information (henceforth new program information) which shows that a broadcast program is a new program is used as said specific information. Therefore, if new program information is included, a score is assigned to the program information.

  Here, when the broadcast program is a new program, the side providing the broadcast program normally wants the user to watch the new program because it starts.

  Therefore, when the specific information is new program information, the program information including the specific information can be preferentially extracted by assigning a high score to the program information.

  The program information extraction apparatus according to the present invention is characterized in that, in the program information extraction apparatus, information indicating that a broadcast program is the last episode is used as the specific information.

  According to said structure, the information (henceforth last time information) which shows that a broadcast program is the last time is used as said specific information. Therefore, if the last time information is included, the program information is scored.

  Here, when the broadcast program is the final episode, the side providing the broadcast program usually wants the user to see the final episode.

  Therefore, when the specific information is final information, the program information including the specific information can be preferentially extracted by assigning a high score to the program information.

  The program information extraction apparatus according to the present invention is characterized in that, in the program information extraction apparatus, information indicating that a broadcast program is a special program is used as the specific information.

  According to said structure, the information (henceforth special program information) which shows that a broadcast program is a special program is used as said specific information. Therefore, if the special program information is included, the program information is scored.

  Here, when the broadcast program is a special program, the side providing the broadcast program normally wants the user to see it as a special program.

  Therefore, when the specific information is special program information, the program information including the specific information can be preferentially extracted by assigning a high score to the program information.

  The program information extraction apparatus according to the present invention is characterized in that, in the program information extraction apparatus, information indicating that a broadcast program is a rebroadcast program is used as the specific information.

  According to said structure, the information (henceforth rebroadcast program information) which shows that a broadcast program is a rebroadcast program is used as said specific information. Therefore, if rebroadcast program information is included, a score is assigned to the program information.

  Here, when the broadcast program is a rebroadcast program, the side providing the broadcast program usually thinks that the user is a rebroadcast and does not often see it.

  Therefore, when the specific information is rebroadcast program information, the program information including the specific information can be prevented from being extracted by attaching a low score to the program information.

  The program information extraction apparatus according to the present invention is characterized in that, in the program information extraction apparatus, information indicating that a broadcast program is a recorded program is used as the specific information.

  According to said structure, the information (henceforth recorded program information) which shows that a broadcast program is a recorded program is used as said specific information. Therefore, if recorded program information is included, a score is given to the program information.

  Here, when the broadcast program is a recorded program, the side providing the broadcast program usually thinks that the user is recording and does not watch much.

  Therefore, when the specific information is recorded program information, the program information including the specific information can be prevented from being extracted by attaching a low score to the program information.

  Further, the program information extracting apparatus according to the present invention is the above-described program information extracting apparatus, wherein the number of characters calculating means for calculating the number of characters of the program commentary in the program information and the information on the calculated number of characters correspond to each program information. In addition, an association means included in each program information is provided, and information indicating that the number of characters of the program commentary is equal to or more than a predetermined number is used as the specific information.

  According to the above configuration, the number of characters of the program commentary in the program information is calculated by the character number calculation means. Further, the information on the calculated number of characters is included in each program information in association with each program information by the association means.

  Furthermore, information indicating that the number of characters of the program commentary is equal to or greater than a predetermined number of characters (hereinafter, “predetermined number of characters display information”) is used as the specific information. Therefore, if the predetermined number of characters display information is included, the program information is scored.

  Here, when the number of characters in the program commentary is greater than or equal to a predetermined number of characters, the side providing the broadcast program usually presents the detailed contents of the program to the user and wants to see it.

  Therefore, when the specific information is the predetermined number of characters display information, the program information including the specific information can be preferentially extracted by giving a high score to the program information.

The program information extracting apparatus according to the present invention is characterized in that, in the program information extracting apparatus, information indicating that a broadcast program is a golden time program is used as the specific information. For example, information indicating that the broadcast program is a golden time program (hereinafter referred to as golden time program information) is used as the specific information. Therefore, if the golden time program information is included, the program information is scored.

  Here, when the broadcast program is a golden time program, the side that provides the broadcast program normally wants to see the program in a time zone that is frequently viewed by the user.

  Therefore, when the specific information is golden time program information, the program information including the specific information can be preferentially extracted by giving a high score to the program information.

  Moreover, the program information extraction device according to the present invention includes a preference information setting unit that receives the preference information and stores the received preference information in a second storage device in the program information extraction device, The program information specifying means uses the preference information stored in the second storage device to specify the favorite program information.

  According to said structure, while input of preference information is received by a preference information setting means, this received preference information can be memorize | stored in a 2nd memory | storage device. Therefore, the user can input preference information.

  Furthermore, the program information specifying means specifies the preference program information using the preference information stored in the second storage device.

  Therefore, the program information can be extracted using the preference information input by the user.

  Moreover, the program information extraction device according to the present invention comprises preference information extraction means for extracting information included in program information of broadcast programs viewed in the past as the preference information in the program information extraction device. It is a feature.

  Broadcast programs viewed in the past are considered to be user's favorite broadcast programs. Therefore, it is considered that the program information of the broadcast program includes information (preference information) indicating the user's preference.

  Therefore, according to the configuration of the present invention, information included in the program information of a broadcast program viewed in the past is extracted as the preference information by the preference information extraction unit.

  Therefore, there is an effect that the user does not need to input preference information.

  Further, the program information extracting apparatus according to the present invention is characterized in that in the above program information extracting apparatus, preference information extracting means for extracting information included in program information of a broadcast program reserved for recording as the preference information is provided. It is said.

  The broadcast program reserved for recording is considered to be a user's favorite broadcast program. Therefore, it is considered that the program information of the broadcast program includes information (preference information) indicating the user's preference.

  Therefore, according to the configuration of the present invention, information included in the program information of the broadcast program reserved for recording is extracted as the preference information by the preference information extraction unit.

  Therefore, there is an effect that the user does not need to input preference information.

  According to another aspect of the present invention, there is provided a program information display device including the program information extraction device and a display device that displays program information extracted by the program information extraction device. Yes.

  According to the above configuration, the program information display device includes the program information extraction device. Therefore, it is possible to extract program information according to the user's preference and the number of program information that can be confirmed without switching the display screen.

  Further, the program information extracted by the program information extraction device can be displayed by the display device.

  Therefore, the user can visually recognize the extracted program information.

  A broadcast program recording system according to the present invention includes the above-described program information extracting device, a broadcast program receiving unit that receives the broadcast program, and a recording device that records the broadcast program indicated by the extracted program information. It is characterized by.

  According to said structure, the broadcast program recording system is provided with the said program information extraction apparatus. Therefore, it is possible to extract program information according to the user's preference and the number of program information that can be confirmed without switching the display screen.

  Further, the broadcast program indicated by the extracted program information can be recorded by the broadcast program receiving means and the recording device.

  Therefore, the broadcast program indicated by the extracted program information can be automatically recorded without receiving a user instruction. Therefore, the user can view the broadcast program indicated by the extracted favorite program information later without performing any operation.

  In addition, in order to solve the above-described problem, the program information extraction method according to the present invention receives a program information group including program information indicating attributes of each broadcast program and stores the received program information group in a first memory. If the program information acquisition step stored in the device and the program information including the preference information indicating the user's preference are set as the preference program information, the program information included in the program information group stored in the first storage device A program information specifying step for specifying the favorite program information, a program information number calculating step for calculating the number of the favorite program information, and a case where the calculated number of the favorite program information is greater than a first threshold, An information extracting step of selecting program information equal to or less than the first threshold value from the favorite program information according to a predetermined criterion and extracting the selected program information from the first storage device. It is characterized by a door.

  According to the above method, the program information group including the program information indicating the attribute of each broadcast program can be stored in the first storage device by the program information acquisition step. In addition, in the program information specifying step, the favorite program information can be specified from the program information included in the program information group stored in the first storage device. Furthermore, the number of favorite program information can be calculated by the program information number calculating step.

  When the number of preference program information calculated by the information extraction step is larger than the first threshold, program information equal to or less than the first threshold can be selected from the preference program information according to a predetermined criterion. Further, the selected program information can be extracted from the first storage device by the information extraction step.

  Therefore, even if the preference program information is greater than the first threshold value, the preference program information less than or equal to the first threshold value can be extracted.

  Therefore, by setting the first threshold value as the number of program information that can be displayed at a time on the display screen of a display device such as a television set, the program information conforms to the user's preference and the display screen is switched. There is an effect that it is possible to extract the number of program information that can be confirmed without any problem.

  Further, in order to solve the above problems, a program according to the present invention is a program for causing a computer to function as each means of the program information extracting apparatus.

  Therefore, the program information extracting device can be provided to the user by loading the program into the computer system.

  In order to solve the above problems, a recording medium according to the present invention is a computer-readable recording medium on which the program is recorded.

  Therefore, it is possible to provide the user with the program information extraction device by loading the program recorded on the recording medium into the computer system.

  As described above, the program information extraction apparatus according to the present invention receives a program information group including program information indicating the attributes of each broadcast program, and stores the received program information group in the first storage device. Assuming that the acquisition means and the program information including the preference information indicating the user's preference are the preference program information, the preference program is selected from the program information included in the program information group stored in the first storage device. A program information specifying means for specifying information, a program information number calculating means for calculating the number of the favorite program information, and the calculated number of the preferred program information is greater than a first threshold, The system is configured to include information extracting means for selecting program information equal to or less than the first threshold value from preference program information and extracting the selected program information from the first storage device.

  Therefore, by setting the first threshold value as the number of program information that can be displayed at a time on the display screen of a display device such as a television set, the program information conforms to the user's preference and the display screen is switched. There is an effect that it is possible to extract the number of program information that can be confirmed without any problem.

  As described above, the program information display device includes the program information extraction device and a display device that displays the program information extracted by the program information extraction device.

  Therefore, first, it is possible to extract the program information according to the user's preference and the number of program information that can be confirmed without switching the display screen. Furthermore, there is an effect that the user can visually recognize the extracted program information.

  Further, as described above, the broadcast program recording system according to the present invention includes a broadcast program receiving unit that receives a broadcast program and a recording device that records the broadcast program indicated by the extracted program information.

  Therefore, it is possible to extract program information according to the user's preference and the number of program information that can be confirmed without switching the display screen. Furthermore, the user can view the broadcast program indicated by the extracted favorite program information later without performing any operation.

  In addition, as described above, the program information extraction method according to the present invention receives the program information group including the program information indicating the attribute of each broadcast program, and stores the received program information group in the first storage device. When the program information acquisition step and the program information including the preference information indicating the user's preference are set as the preference program information, the program information included in the program information group stored in the first storage device, When the program information specifying step for specifying the favorite program information, the program information number calculating step for calculating the number of the favorite program information, and the calculated number of the favorite program information are larger than the first threshold, And an information extracting step of selecting program information equal to or less than the first threshold value from the favorite program information and extracting the selected program information from the first storage device.

  Therefore, by setting the first threshold value as the number of program information that can be displayed at a time on the display screen of a display device such as a television set, the program information conforms to the user's preference and the display screen is switched. There is an effect that it is possible to extract the number of program information that can be confirmed without any problem.

  Further, as described above, the program according to the present invention is a program for causing a computer to function as each means of the program information extraction apparatus.

  Therefore, the program information extracting device can be provided to the user by loading the program into the computer system.

  The recording medium according to the present invention is a computer-readable recording medium that records the program as described above.

  Therefore, it is possible to provide the user with the program information extraction device by loading the program recorded on the recording medium into the computer system.

[Embodiment 1]
An embodiment of the present invention will be described below with reference to FIGS.

  FIG. 1 is a diagram showing a configuration of a program information display apparatus according to the present embodiment. The program information display device 1 includes a program information extraction device 2 and a display device 3 as shown in FIG. The program information extraction device 2 includes a preference information input unit 11, a preference information setting unit 12, a storage device (second storage device) 13, a program information acquisition unit (program information acquisition means) 14, and a storage device (first storage device) 15. , A character number calculating unit (character number calculating unit) 16, a corresponding unit (corresponding unit) 17, a program information specifying unit (program information specifying unit) 18, a program information number calculating unit (program information number calculating unit) 19, and an information An extraction unit (information extraction means) 20 is provided. The information extraction unit 20 includes a determination unit (determination unit) 21 and a score provision unit (score provision unit) 22. On the other hand, the display device 3 includes a display screen 31.

  First, the program information extraction device 2 will be described.

  The preference information input unit 11 receives input of preference information indicating the user's preference from the user, and sends the received preference information to the preference information setting unit 12. In addition, the preference information input unit 11 receives a preference information change instruction from the user. In this case, the preference information input unit 11 sends change instruction information including preference information to the preference information setting unit 12. Here, a keyword can be used as the preference information.

  The preference information input unit 11 may be configured by an operation unit (not shown) installed in the program information extraction device 2 or may be configured by a remote controller, and is not particularly limited.

  The preference information setting unit 12 receives preference information and change instruction information from the preference information input unit 11. When the preference information setting unit 12 receives preference information, the received preference information is stored in the storage device 13. On the other hand, when the preference information setting unit 12 receives the change instruction information, the preference information setting unit 12 deletes the preference information already stored in the storage device 13 and also includes the preference included in the change instruction information. Information is newly stored in the storage device 13.

  In the following description, it is assumed that the preference information has already been stored in the storage device 13.

  The program information acquisition unit 14 acquires EPG data by receiving a predetermined broadcast wave, reading from a data recording medium, or via a line such as the Internet or CATV. Then, the program information acquisition unit 14 stores the acquired EPG data in the storage device 15.

  Here, in the EPG data, program information indicating broadcast program attributes (broadcast date / time, broadcast station, genre, title, and commentary) is described in association with each broadcast program. That is, the program information includes broadcast date and time information indicating the broadcast date and time, broadcast station information indicating the broadcast station, genre information indicating the genre, title information indicating the title, and an explanatory sentence indicating an explanatory sentence of the broadcast program. It is composed of information. In the present embodiment, broadcast date / time, broadcast station, genre, title, and description are given as examples of broadcast program attributes, but the present invention is not limited to this.

  In the following, a case where EPG data is composed of a plurality of pieces of program information will be described as an example. That is, a case where a plurality of pieces of program information are included in the EPG data will be described. The EPG data corresponds to the program information group described in the claims.

  The number-of-characters calculation unit 16 calculates the number of characters in the explanatory text, which is one attribute of the broadcast program, for each program information. The number-of-characters calculation unit 16 sends the calculated number-of-characters information (hereinafter referred to as number-of-characters information) to the association unit 17 in a state associated with the program information.

  The association unit 17 receives the character number information. Then, the associating unit 17 associates each piece of program information stored in the storage device 15 with the associated character number information. With this association, for example, a program information group as shown in FIG. 2 is stored in the storage device 15.

  The program information identification unit 18 reads the preference information stored in the storage device 13 from the storage device 13. Further, the program information specifying unit 18 specifies program information including the read preference information (hereinafter referred to as preference program information) from the program information included in the program information group stored in the storage device 15. . Then, the program information specifying unit 18 sends identification information for identifying the specified favorite program information to the program information number calculating unit 19 and the information extracting unit 20. Here, as the identification information, for example, address information in the storage device 15 can be used.

  The program information number calculation unit 19 receives information indicating the preference program information from the program information identification unit 18. Then, the program information number calculation unit 19 calculates the number of received preference program information and sends information indicating the calculated number to the information extraction unit 20.

  Next, the information extraction unit 20 and the determination unit 21 and the score assignment unit 22 provided in the information extraction unit 20 will be described.

  The information extraction unit 20 receives information indicating the number of favorite program information from the program information number calculation unit 19. The information extraction unit 20 receives the identification information from the program information identification unit 18.

  The determination unit 21 determines, for all program information stored in the storage device 15, whether or not correspondence information corresponding to predetermined content (specific information) is included in each program information. If the determination unit 21 determines that the correspondence information is included, the determination unit 21 determines that the program information includes specific information.

  FIG. 3 is a diagram illustrating a correspondence relationship between the specific information and the keyword. If it demonstrates based on FIG. 3, the determination part 21 will confirm whether a keyword (corresponding information) is contained in each program information, and when this keyword is contained in program information, specific information is a program. It is determined that the information is included.

  The score assigning unit 22 assigns a score corresponding to the specific information to all program information stored in the storage device 15. Hereinafter, how to assign the score will be described.

  First, when the keyword is included, the score assigning unit 22 sets a flag corresponding to the specific information corresponding to the keyword for each piece of program information. That is, a flag corresponding to each specific information is set for each program information.

  For example, when the program information includes a keyword corresponding to “new program” (specific information), as shown in FIG. 4, a flag that has been initialized (that is, all bits are set to 0) in advance. The bit in the least significant (lower 1 digit) of the flag (specifically, a flag composed of 16 digits) is set to “1”. As a result, the flag becomes “00000000 00000001”. If a keyword corresponding to “last round” is included, the flag is set to “00000000 00000010”. If a keyword indicating “special program” is included, the flag is set to “00000000 00000100”. And

  Further, based on the information on the number of characters associated with the association unit 17, the score assigning unit 22 determines whether the number of characters in the commentary of each program information is equal to or greater than a predetermined number of characters (70 characters in the figure). Determine whether. If it is determined that the number of characters is greater than or equal to the predetermined number of characters, the score assigning unit 22 sets the flag to “00000000 00001000” on the assumption that the program information includes a keyword.

  Further, the score giving unit 22 sets the flag to “00000000 00010000” when a keyword corresponding to “golden time” is included. Here, the golden time is a time zone with a high audience rating, specifically, from 7 pm to 10 pm.

  The score assigning unit 22 sets the flag to “00000001 00000000” when the keyword corresponding to “rebroadcast” is included, and sets the flag when the keyword “recorded program” is included. “00000010 00000000”.

  The flag may be stored in a predetermined storage area of the storage device 15 in association with each program information.

  Here, a specific example will be described. FIG. 5 is a diagram showing one piece of program information and a flag set based on this program information. In the figure, the commentary column includes a keyword corresponding to “rebroadcast” ([re]). The other columns (broadcast date and time) do not include keywords corresponding to the specific information as shown in FIG. Therefore, the score giving unit 22 sets the flag to “00000001 00000000” as shown in FIG.

  In addition, when the program information includes a plurality of types of keywords corresponding to the specific information, the score giving unit 22 sets the bit of the digit corresponding to the type to “1”. Hereinafter, a specific example will be described. FIG. 6 is a diagram showing one piece of program information and a flag set based on the program information.

  In FIG. 6, a keyword (special) corresponding to “special program” is included in the title column. The broadcast date and time column includes a keyword (19: 00-) corresponding to “Golden time”. Further, the other columns do not include keywords corresponding to the specific information as shown in FIG. For this reason, the score assigning unit 22 sets the bit of the digit corresponding to each specific information to “1”. As a result, the flag is set to “00000000 00010100”.

  Next, a process for calculating the score of program information using the flag will be described. This process is performed by the score giving unit 22.

  First, in calculating the score of each program information, the score giving unit 22 initializes a data area in which the score is stored. That is, the score is 0 points. The data area may be provided in the storage device 15, for example.

  Here, if there is a bit set to “1” in the lower 8 digits in the set flag, the score assigning unit 22 sets “+1” for each bit, and sets “1” to the upper 8 digits. When there is a bit set to “1”, the score of the program information is obtained by adding “−1” points for each bit and adding the scores of all the digits.

  For example, in the case of the program information shown in FIG. 5, the score assigning unit 22 calculates the score as “−1”. In the case of the program information shown in FIG. 6, the score assigning unit 22 calculates the score as “+2”. The detailed score calculation processing flow will be described later.

  As described above, when the program information includes correspondence information (keyword) corresponding to the specific information, the score giving unit 22 gives a score corresponding to the specific information to the program information.

  The information extraction unit 20 further determines whether the number of favorite program information is greater than the first threshold (assuming α) (that is, whether it is α + 1 or more) and the number of favorite program information is the second. It is determined whether or not it is equal to or less than a threshold (assuming β). Here, the first threshold value indicates the number of program information that can be displayed on the display screen of the display device 3 at a time. The second threshold value is a predetermined number less than the first threshold value.

  Here, when the number of preference program information is greater than α, the information extraction unit 20 selects the specified preference program information in descending order of the score based on the information indicating the preference program information. , A number (predetermined number) of pieces of program information is selected. Further, the information extraction unit 20 extracts the selected program information from the storage device 15. The extracted program information is sent to the display device 3.

  As described above, when the number of favorite program information is larger than α, the program information is narrowed down from the favorite program information, and only the narrowed preferred program information is sent to the display device 3.

  On the other hand, when the number of preference program information is β or less, the information extraction unit 20 first extracts all the specified preference program information from the storage device 15 based on the information indicating the preference program information. Furthermore, the information extraction unit 20 selects program information other than the favorite program information in descending order of the score within a range in which the sum of the number of the extracted favorite program information is α or less. Then, the information extraction unit 20 extracts the selected program information from the storage device 15. Then, the extracted program information is sent to the display device 3. That is, all the favorite program information and program information other than the favorite program information are sent to the display device 3.

  The display device 3 receives the extracted program information from the information extraction unit 20. Then, the received program information is displayed on the display screen 31 in a predetermined format (for example, FIG. 18). Note that the data (excluding program information) required for display in a predetermined format may be a configuration provided in the display device 3 in advance, or the program information extraction device 2 may include the program information in the display device 3. The structure which sends may be sufficient. The display device 3 can be configured by a television or a personal computer equipped with a display.

  Here, a specific example of selection of the program information will be described.

  FIG. 7 is a diagram showing program information before selection and program information to be extracted (that is, program information after selection) when the number of favorite program information is greater than α. In this case, as shown in the figure, predetermined program information is selected in descending order of scores.

  FIG. 8 is a diagram showing all favorite program information, program information before selection, and program information to be extracted when the number of favorite program information is β or less. In this case, as shown in the figure, all the favorite program information and program information other than the favorite program information selected in descending order of the score are extracted.

  As described above, the program information extraction device 2 of the program information display device 1 receives the program information group including the program information indicating the attribute of each broadcast program, and stores the received program information group in the storage device (first storage). Device) stored in the storage device 15, and the program information including the preference information indicating the user's preference is set as the preference program information, the program information stored in the storage device 15 A program information specifying unit (program information specifying unit) 18 for specifying the favorite program information from program information included in the group, and a program information number calculating unit (program information number calculating unit) for calculating the number of the favorite program information. ) 19 and the calculated number of preference program information is greater than the first threshold (α), the number of programs (predetermined number) equal to or less than the first threshold from the preference program information according to a predetermined criterion While sorting out information, Information extracting unit for extracting a selection program information from the storage device 15 is configured to include a (information extraction unit) 20.

  According to this configuration, the program information acquisition unit 14 can store a program information group including program information indicating attributes of each broadcast program in the storage device 15. Also, the program information specifying unit 18 can specify the favorite program information from the program information included in the program information group stored in the storage device 15. Furthermore, the number of favorite program information can be calculated by the program information number calculation unit 19.

  Then, when the number of preference program information calculated by the information extraction unit 20 is larger than the first threshold value, the program information of the number equal to or less than the first threshold value can be selected from the specified preference program information according to a predetermined criterion. . Furthermore, the selected program information can be extracted from the storage device 15 by the information extraction unit 20.

  Therefore, even if the preference program information is greater than the first threshold value, the preference program information less than or equal to the first threshold value can be extracted. Therefore, by setting the first threshold value as the number of program information that can be displayed at a time on the display screen of the display device 3 such as a television, the program information is in line with the user's preference and the display screen is displayed. The number of program information that can be confirmed without switching can be extracted.

  Further, the information extraction unit 20 is preferably configured to select the first threshold number of pieces of program information. According to this configuration, since the information extraction unit 20 can select the first threshold number of program information, the first threshold program information can be extracted. Therefore, the maximum number of program information that can be displayed at one time can be extracted.

  In addition, as described above, the program information extraction device 2 determines whether or not the information extraction unit 20 includes specific information that affects predetermined broadcast viewing conditions in each program information. A determination unit (determination unit) 21, and, when specific information is included in the program information, a score provision unit (score provision unit) 22 that assigns a score according to the specific information to the program information; The predetermined criterion is a configuration in which the scores are in order from the highest.

  According to this configuration, the determination unit 21 determines whether or not each program information includes predetermined specific information that affects the viewing situation of the broadcast program. When the program information includes specific information, the score assigning unit 22 assigns a score corresponding to the specific information to the program information.

  Accordingly, program information including specific information that increases the viewing status (for example, audience rating) is given a higher score and higher score than program information including specific information that decreases the viewing status. By extracting the preference program information in order, it is possible to extract program information equal to or less than the first threshold value according to the user's preference.

  Further, as described above, when the program information includes different specific information, the score assigning unit 22 calculates a score corresponding to the specific information for each specific information, and adds the calculated score. In this configuration, the obtained score is attached to the program information.

  According to this configuration, when the program information includes different specific information, the score giving unit 22 calculates a score corresponding to the specific information for each specific information. Furthermore, a score obtained by adding the calculated score is given to the program information by the score giving unit 22. That is, when different specific information is included, a sum of scores corresponding to each specific information is added to the program information. Therefore, it becomes possible to extract program information more in line with user preferences.

  Further, as described above, the determination unit 21 is configured to determine that the program information includes the specific information when the correspondence information corresponding to the specific information is included in the program information.

  Usually, in program information, a part of a group of words is omitted in order to reduce the amount of data. For this reason, the program information may include the corresponding information corresponding to the specific information, but may not include the specific information itself (the entire data constituting the specific information).

  However, according to said structure, when the determination part 21 contains the corresponding information corresponding to the said specific information in program information, it can determine with the specific information being included in the said program information. Therefore, even if the program information does not include the specific information itself, it can be determined that the specific information is included.

  Further, as described above, when the predetermined value less than the first threshold value is set as the second threshold value (β), the program information extraction device 2 causes the information extraction unit 20 to determine that the calculated number of preference program information is the first. In the case of 2 thresholds or less, all the specified preference program information is extracted from the storage device 15, and the sum of the extracted preference program information and the number of preference program information is equal to or less than the first threshold, in the descending order of the above scores. Program information other than the preference program information is extracted from the storage device 15.

  According to this configuration, when the calculated number of favorite program information is equal to or smaller than the second threshold value, all the specified favorite program information is extracted from the storage device 15 by the information extraction unit 20. Further, the information extraction unit 20 extracts program information other than the preference program information from the storage device 15 in the descending order of the score within a range where the sum of the number of the preference program information extracted is equal to or less than the first threshold value. Therefore, even when the number of favorite program information is small, it is possible to extract program information equal to or less than the first threshold value including program information that the user seems to like.

  Moreover, in the program information extraction device 2, as described above, it is preferable to use information indicating that the broadcast program is a new program (hereinafter, new program information) as the specific information. According to this, if new program information is included, the program information is scored. Here, when the broadcast program is a new program, the side providing the broadcast program normally wants the user to watch the new program because it starts. Therefore, when the specific information is new program information, it is possible to preferentially extract program information including the specific information by assigning a high score to the program information.

  Moreover, in the program information extraction device 2, as described above, it is preferable to use information indicating that the broadcast program is the last time (hereinafter, last time information) as the specific information. According to this, if the last round information is included, the program information is scored. Here, when the broadcast program is the final episode, the side providing the broadcast program usually wants the user to see the final episode. Therefore, when the specific information is final information, it is possible to preferentially extract program information including the specific information by assigning a high score to the program information.

  Moreover, in the program information extraction device 2, as described above, it is preferable to use information indicating that the broadcast program is a special program (hereinafter, special program information) as the specific information. According to this, if special program information is included, a score is assigned to the program information. Here, when the broadcast program is a special program, the side providing the broadcast program normally wants the user to see it as a special program. Therefore, when the specific information is special program information, it is possible to preferentially extract program information including the specific information by assigning a high score to the program information.

  Moreover, in the program information extraction device 2, as described above, it is preferable to use information indicating that the broadcast program is a rebroadcast program (hereinafter, rebroadcast program information) as the specific information. According to this, if rebroadcast program information is included, a score is given to the program information. Here, when the broadcast program is a rebroadcast program, the side providing the broadcast program usually thinks that the user is a rebroadcast and does not often see it. Therefore, when the specific information is rebroadcast program information, it is possible to avoid extracting program information including this specific information by attaching a low score to the program information.

  Moreover, in the program information extraction device 2, as described above, it is preferable to use information indicating that the broadcast program is a recorded program (hereinafter, recorded program information) as the specific information. According to this, if the recorded program information is included, the program information is scored. Here, when the broadcast program is a recorded program, the side providing the broadcast program usually thinks that the user is recording and does not watch much. Therefore, when the specific information is recorded program information, it is possible to prevent the program information including the specific information from being extracted by attaching a low score to the program information.

  Further, the program information extraction device 2 associates the information on the calculated number of characters with the number-of-characters calculation unit (character number calculation means) 16 for calculating the number of characters of the program commentary in the program information, and sets each piece of program information. It is preferable that information indicating that the number of characters of the program commentary is equal to or more than a predetermined number is used as the specific information.

  According to this configuration, the number of characters of the program commentary sentence in the program information is calculated by the character number calculation unit 16. Further, the association unit 17 includes the information on the calculated number of characters in association with each program information and included in each program information. Furthermore, information indicating that the number of characters of the program commentary is equal to or greater than a predetermined number of characters (hereinafter, “predetermined number of characters display information”) is used as the specific information. Therefore, if the predetermined number of characters display information is included, the program information is scored.

  Here, when the number of characters in the program commentary is greater than or equal to a predetermined number of characters, the side providing the broadcast program usually presents the detailed contents of the program to the user and wants to see it. Therefore, when the specific information is the predetermined number of characters display information, it is possible to preferentially extract program information including the specific information by assigning a high score to the program information.

  As described above, the program information extraction device 2 preferably uses information indicating that the broadcast program is a golden time program (hereinafter referred to as golden time program information) as the specific information. According to this, if the golden time program information is included, the program information is scored. Here, when the broadcast program is a golden time program, the side that provides the broadcast program normally wants to see the program in a time zone that is frequently viewed by the user. Therefore, when the specific information is golden time program information, it is possible to preferentially extract program information including the specific information by assigning a high score to the program information.

  Further, as described above, the program information extraction device 2 accepts input of preference information and also stores a preference information setting unit (preference information setting unit) that stores the received preference information in the storage device (second storage device) 13. The program information specifying unit 18 is configured to specify the preference program information using the preference information stored in the storage device 13.

  According to this configuration, the preference information setting unit 12 can accept input of preference information, and the accepted preference information can be stored in the storage device 13. Therefore, the user can input preference information. Further, the program information identification unit 18 identifies the preference program information using the preference information stored in the storage device 13. Therefore, program information can be extracted using the preference information input by the user.

  As described above, the program information display device 1 includes the program information extraction device 2 and the display device 3 that displays the program information extracted by the program information extraction device 2. According to this configuration, first, the program information extracting device 2 can extract program information that meets user preference and can be confirmed without switching the display screen. Further, the display device 3 can display the program information extracted by the program information extraction device. Therefore, the user can visually recognize the extracted program information.

  Next, the flow of program information extraction and display in the program information display apparatus 1 will be described with reference to FIG.

  First, the program information acquisition unit 14 acquires program information (EPG data) (S1). After S1, the program information specifying unit 18 reads the preference information stored in the storage device 13 from the storage device 13 (S2). After S <b> 2, the program information identification unit 18 identifies program information (preference program information) including the read preference information from program information included in the program information group stored in the storage device 15. (S3).

  After S3, the score giving unit 22 gives a score corresponding to the specific information to the program information stored in the storage device 15 (S4). After S4, the score giving unit 22 determines whether or not all program information has been scored (S5). If it is determined in S5 that all program information has not been scored, the process returns to S4 again. On the other hand, if it is determined in S5 that all program information has been scored, the program information number calculation unit 19 calculates the number of specified favorite program information (S6). After S6, the information extraction unit 20 determines whether the calculated number of preference program information is greater than α (S7).

  In S7, when the number of preference program information is greater than α, the information extraction unit 20 selects the specified preference program information from the specified preference program information in descending order based on the information indicating the preference program information. , A number (predetermined number) of pieces of program information is selected (S8). Further, after S8, the information extraction unit 20 extracts the selected program information from the storage device 15 (S9). After S9, the display device 3 displays the extracted program information on the display screen (S10).

  In S7, when the number of preference program information is less than or equal to α, the information extraction unit 20 determines whether or not the calculated number of preference program information is less than or equal to β (S11).

  If it is determined in S11 that the number of favorite program information is greater than β, the process proceeds to S10, and all extracted program information is displayed. On the other hand, when it is determined in S11 that the number of favorite program information is β or less, the information extracting unit 20 extracts all the specified favorite program information from the storage device 15 (S12). Further, after S12, the information extraction unit 20 sends program information other than the preference program information from the storage device 15 in descending order of the score within a range in which the sum of the number of preference program information extracted is α or less. Extract (S13). After S13, the process proceeds to S10, and the extracted program information is displayed. And a process is complete | finished after S10.

  Next, the flag setting flow will be described with reference to FIG.

  First, a flag is initialized (S21). After S21, the determination unit 21 determines whether the program information includes a keyword corresponding to “new program” (S22). If it is determined in S22 that the keyword corresponding to “new program” is included, the bit of the digit corresponding to “new program” is set to “1” (S23). On the other hand, when it is determined in S22 that a keyword corresponding to “new program” is not included, and after S23, the determination unit 21 includes a keyword corresponding to “final” in the program information. (S24).

  If it is determined in S24 that the keyword corresponding to “last time” is included, the bit of the digit corresponding to “last time” is set to “1” (S25). On the other hand, when it is determined in S24 that the keyword corresponding to the “last round” is not included, and after S25, the determination unit 21 includes the keyword corresponding to the “special program” in the program information. Is determined (S26).

  If it is determined in S26 that the keyword corresponding to “special program” is included, the bit of the digit corresponding to “special program” is set to “1” (S27). On the other hand, if it is determined in S26 that the keyword corresponding to the “special program” is not included, and after S27, the determination unit 21 determines whether the number of characters in the commentary of the program information is equal to or greater than the predetermined number of characters. It is determined whether or not (S28).

  If it is determined in S28 that the number of characters is equal to or greater than the predetermined number of characters, the digit bit corresponding to the “number of characters in the commentary” is set to “1” (S29). On the other hand, if it is determined in S28 that the number of characters is not equal to or greater than the predetermined number of characters, and after S29, the determination unit 21 determines whether the program information includes a keyword corresponding to “golden time” (S30). ).

  If it is determined in S30 that the keyword corresponding to “Golden time” is included, the bit of the digit corresponding to “Golden time” is set to “1” (S31). On the other hand, when it is determined in S30 that the keyword corresponding to “Golden time” is not included, and after S31, the determination unit 21 includes the keyword corresponding to “Rebroadcast” in the program information. (S32).

  If it is determined in S32 that a keyword corresponding to “rebroadcast” is included, the bit of the digit corresponding to “rebroadcast” is set to “1” (S33). On the other hand, when it is determined in S32 that a keyword corresponding to “rebroadcast” is not included, and after S33, the determination unit 21 includes a keyword corresponding to “recorded program” in the program information. Is determined (S34).

  If it is determined in S34 that a keyword corresponding to “recorded program” is included, the bit of the digit corresponding to “recorded program” is set to “1” (S35). On the other hand, if it is determined in S34 that the keyword corresponding to “recorded program” is not included, and after S35, the process is terminated.

  Next, the flow for calculating the score will be described with reference to FIG.

  First, the score giving unit 22 initializes the score (S41). That is, the score (P) is set to 0. After S41, the score giving unit 22 initializes the value (i) of a counter (not shown) provided in the information extracting unit 20 (S42). Here, i = 1. After S42, it is determined whether i is 16 or less (S43). In S43, when i is 16 or less, the score giving unit 22 determines whether or not the lower i-th bit is “1” (S44). If it is determined in S44 that the lower i-th bit is “1”, it is determined whether i is 8 or less (S45).

  If it is determined in S45 that i is 8 or less, one point is added to the score (S46). On the other hand, when it is determined in S45 that i is not 8 or less, one point is subtracted from the score (S47).

  When it is determined in S44 that the lower i-th bit is not “1”, after S46 and after S47, 1 is added to the value of i to update the counter value (S48). And after S48, it returns to S43 again. In S43, if i is not 16 or less, the process is terminated.

  By the way, in the above embodiment, in the calculation of the score, when there is a bit set to “1” in the lower 8 digits of the set flag, “+1” point is set for each bit, When there are bits set to “1” in the 8-digit bits, the score of the program information is obtained by adding “−1” points for each bit and adding the scores of all the digits.

  However, the present invention is not limited to this. For example, as shown in FIG. 12, a predetermined score may be associated with the specific information, and the score of the program information may be calculated using the score.

  Here, regarding the specific information to be extracted in particular, it is possible to increase the possibility that program information including this specific information is extracted from the program information group by associating a high score.

  Further, in the program information extraction device 2, the information extraction unit 20 selects the number of program information less than the first threshold, and the sum of the number of the preference program information extracted is equal to or less than the first threshold. In the range, program information other than the favorite program information may be extracted from the storage device 15 in descending order of the score.

  According to this configuration, the information extraction unit 20 selects a number of program information less than the first threshold. Further, the information extraction unit 20 extracts program information other than the preference program information from the first storage device in descending order of the score within a range in which the sum of the number of the preference program information extracted is equal to or less than the first threshold value. The

  Therefore, even if the number of specified preference information programs is equal to or greater than the first threshold, program information is always extracted including program information other than the preference information program and the user's favorite program information. It becomes possible to do.

  Further, as shown in FIG. 13, a broadcast program receiving unit (broadcast program receiving means) 41 for receiving a broadcast program and a recording apparatus for recording the broadcast program indicated by the extracted program information with respect to the program information display device 1 42, the broadcast program recording system 9 may be configured.

  According to this system configuration, the broadcast program recording system 9 is provided with the program information extraction device 2, so that the program information conforms to the user's preference and can be confirmed without switching the display screen. Program information can be extracted. In addition, the broadcast program indicated by the extracted program information can be recorded by the broadcast program receiving unit 41 and the recording device 42. Therefore, the broadcast program indicated by the extracted program information can be automatically recorded without receiving a user instruction. Therefore, the user can view the broadcast program indicated by the extracted favorite program information later without performing any operation.

  The recording of the broadcast program may be recording of a broadcast program such as a radio, and is not particularly limited.

[Embodiment 2]
The following will describe another embodiment of the present invention with reference to FIGS. For convenience of explanation, members having the same functions as those shown in the drawings of Embodiment 1 are given the same reference numerals, and explanation thereof is omitted.

  A program information display device 1 ′ according to the present embodiment includes a program information extraction device 2 ′ and a display device 3. That is, the program information display device 1 ′ differs from the program information display device 1 of the first embodiment in the configuration of the program information extraction device. Therefore, in the following, the program information extraction device 2 ′ will be described.

  FIG. 14 is a diagram showing the configuration of the program information extraction device 2 ′. As shown in the figure, the program information extraction device 2 ′ includes a program information acquisition unit 14, a storage device 15, a character number calculation unit 16, an association unit 17, a program information identification unit (program information identification unit) 18 ′, and the number of program information. A calculation unit 19, an information extraction unit 20, a viewing history management unit 51, a reservation management unit 52, a preference information extraction unit (preference information extraction means) 53, and a storage device (second storage device) 54 are provided. The preference information extraction unit 53 includes a profile update unit 55 and a preference level calculation unit 56.

  As described above, the program information extraction device 2 ′ does not include the preference information input unit 11, the preference information setting unit 12, and the storage device 13 as compared with the program information extraction device 2 of the first embodiment. This configuration includes a viewing history management unit 51, a reservation management unit 52, a preference information extraction unit 53, a storage device 54, a profile update unit 55, and a preference level calculation unit 56. The program information extracting device 2 ′ includes a program information specifying unit 18 ′ instead of the program information specifying unit 18. Therefore, below, the said member (18 ', 51-55) is mainly demonstrated.

  The viewing history management unit 51 acquires, in real time, information indicating a broadcast channel of a broadcast program displayed on the display device 3 (that is, considered to be viewed by the user) from the display device 3 (for example, a television). To do.

  Then, the viewing history management unit 51 associates the information indicating the acquired broadcast channel with time. By associating the times as described above, the viewing history management unit 51 obtains viewing history information, that is, information indicating how many channels of the broadcast program are displayed (viewed) from what time to what time. Further, the viewing history management unit 51 stores the obtained viewing history information (hereinafter referred to as viewing history information).

  The reservation management unit 52 receives information for specifying the broadcast program reserved for recording from a recording device such as the recording device 42 when the recording reservation processing of the broadcast program is performed. Then, the reservation management unit 52 stores the received information (hereinafter referred to as reservation information).

  The preference information extraction unit 53 reads all program information stored in the storage device 15. Furthermore, the preference information extraction unit 53 reads the viewing history information and the reservation information from the viewing history management unit 51 and the reservation management unit 52, respectively, after the processing related to the update of the number of broadcasts in the profile, which will be described later, is completed. Then, the preference information extraction unit 53 selectively reads out program information about the broadcast program corresponding to the read viewing history information and reservation information from the storage device 15.

  The profile update unit 55 uses all the read program information to update information indicating the number of broadcasts (hereinafter referred to as broadcast number information) in a profile (profile) stored in advance in the storage device 54. Do. FIG. 15 shows a profile. Hereinafter, the profile update will be described.

  The profile update unit 55 first extracts information indicating a genre (hereinafter, genre information) from all the read program information. Further, the profile update unit 55 extracts keywords from all program information. This keyword is a word included in the program information indicating the title and / or performer.

  Examples of the method for extracting the keyword include the following first to third methods. First, the first method will be described. First, keywords that express preferences for each genre are defined in advance, and character strings are matched. When matching is performed, the matched character string is extracted as a keyword. Next, the second method will be described. First, program information is broken down into parts of speech. Then, words suitable for keywords such as nouns (particularly proper nouns) are extracted as keywords. Next, the third method will be described. A provider who provides program information extracts words included in tag information and / or meta information added to the program information as keywords. A keyword is extracted by any of the above methods. The keyword extraction method is not limited to the above method, and other methods may be used.

  Here, if the same keyword as the extracted keyword already exists in the profile in a form corresponding to the genre indicated by the genre information, the profile update unit 55 associates it with this keyword. Update broadcast frequency information.

  If the same keyword as the extracted keyword does not exist in the presence profile in a form corresponding to the genre indicated by the genre information, a new keyword is added to the profile and a broadcast corresponding to the keyword is added. The value of the count information is updated to “1”. If the extracted genre is not present in the profile, the genre is newly added to the profile.

  Further, the profile update unit 55 updates information indicating the number of appearances in the profile (hereinafter referred to as appearance number information) using the selectively read program information. Specifically, genre information is first extracted from the selectively read program information in the same manner as described above. Further, the profile update unit 55 extracts the keyword from the program information.

  Here, if the same keyword as the extracted keyword already exists in the profile in a form corresponding to the genre indicated by the genre information, the profile update unit 55 associates it with this keyword. Update the appearance count information.

  As described above, at least the appearance number information and the broadcast number information in the profile can be updated.

  The preference level calculation unit 56 calculates the preference level for each keyword using the appearance count information and the broadcast count information. And the preference degree calculation part 56 updates the information (henceforth preference degree information) which shows the preference degree in a profile. Here, the preference level is a value indicating the degree of preference of the user. Specifically, the preference level is a numerical value obtained by multiplying the value obtained by dividing the number of appearances by the number of broadcasts by 100. As described above, the preference level calculation unit 56 calculates the preference level.

  And the preference information extraction part 53 extracts the keyword which has a preference degree more than a predetermined value as preference information. Then, the preference information extraction unit 53 stores the extracted preference information in the storage device 54.

  The program information specifying unit 18 ′ reads the preference information stored in the storage device 54 from the storage device 54. Further, the program information specifying unit 18 ′ specifies program information (preference program information) including the read preference information from program information included in the program information group stored in the storage device 15. Then, the program information specifying unit 18 ′ sends identification information for identifying the specified favorite program information to the program information number calculating unit 19 and the information extracting unit 20.

  As described above, the program information extraction device 2 ′ is configured to include the preference information extraction unit 53 that extracts information included in program information of broadcast programs viewed in the past as the preference information. Here, a broadcast program viewed in the past is considered to be a user's favorite broadcast program. Therefore, it is considered that the program information of the broadcast program includes information (preference information) indicating the user's preference. Therefore, according to the configuration described above, the preference information extraction unit 53 extracts information included in the program information of broadcast programs viewed in the past as the preference information. Therefore, the user does not need to input preference information.

  Further, the program information extraction device 2 ′ is also configured to include a preference information extraction unit 22 that extracts information included in program information of a broadcast program reserved for recording as the preference information.

  Here, it is considered that the broadcast program reserved for recording is a user's favorite broadcast program. Therefore, it is considered that the program information of the broadcast program includes information (preference information) indicating the user's preference. Therefore, according to the above configuration, the preference information extraction unit 53 extracts information included in the program information of the broadcast program reserved for recording as the preference information. Therefore, the user does not need to input preference information.

  Further, the program information extraction device 2 ′ extracts information included in program information of broadcast programs reserved for recording and / or information included in program information of broadcast programs viewed in the past as the preference information. It can be said that the configuration includes the preference information extraction unit 53.

  Next, regarding the processing flow in the program information display device 1 ′, the processing in S2 and S3 is different from the processing flow shown in FIG. 9 in the first embodiment. Only different points will be described below. Instead of the process of S2, a process of “reading preference information stored in the storage device 54 from the storage device 54 by the program information specifying unit 18 ′” is performed. Further, instead of the process of S3, “the program information including the read preference information by the program information specifying unit 18 ′ (preference program information) is included in the program information group stored in the storage device 15. The process “specified from the program information” is performed.

  Next, a profile update flow will be described with reference to FIG.

  First, the preference information extraction part 53 reads all the program information memorize | stored in the memory | storage device 15 (S51). After S51, the profile update unit 55 extracts genre information from all the read program information (S52). Then, after S52, the profile update unit 55 extracts keywords from all program information (S53).

  After S53, the profile update unit 55 determines whether the same keyword as the extracted keyword already exists in the profile in a form corresponding to the genre indicated by the genre information (S54). . If it is determined in S54 that the same keyword as the extracted keyword exists, the broadcast frequency information in the profile associated with this keyword is updated (S55). If it is determined that the same keyword as the keyword extracted in S54 does not exist, a keyword is newly added to the profile in association with the genre information (S56).

  After S55 and S56, the preference information extraction unit 53 reads the viewing history information and the reservation information from the viewing history management unit 51 and the reservation management unit 52, respectively (S57).

  After S57, the preference information extraction unit 53 selectively reads program information about the broadcast program corresponding to the read viewing history information and reservation information from the storage device 15 (S58). After S58, the profile update unit 55 extracts genre information from the selectively read program information (S59). After S59, the profile update unit 55 extracts keywords from these program information (S60).

  After S60, the profile update unit 55 determines whether the same keyword as the extracted keyword already exists in the profile in a form corresponding to the genre indicated by the genre information (S61). . If it is determined in S61 that the same keyword as the extracted keyword exists, the appearance number information in the profile associated with this keyword is updated (S62). If it is determined in S61 that the same keyword as the extracted keyword does not exist, a keyword is newly added to the profile in association with the genre information (S63).

  After S62 and S63, the preference level calculation unit 56 calculates the preference level for each keyword using the appearance count information and the broadcast count information (S64). After S64, the preference level calculation unit 56 updates information (preference level information) indicating the preference level in the profile (S65). Thus, the profile update process is completed.

  The present invention is not limited to the above-described embodiments, and various modifications are possible within the scope shown in the claims, and embodiments obtained by appropriately combining technical means disclosed in different embodiments. Is also included in the technical scope of the present invention.

  In addition, each part (except the storage devices 13 and 15) and each processing step of the program information extraction device 2 of the above embodiment are stored in a storage unit such as a ROM (Read Only Memory) or a RAM by a calculation unit such as a CPU. It can be realized by executing a program and controlling input means such as a keyboard, output means such as a display, or communication means such as an interface circuit. Therefore, various functions and various processes of the program information extraction apparatus 2 of the present embodiment can be realized simply by a computer having these means reading the recording medium storing the program and executing the program. In addition, by recording the program on a removable recording medium, the various functions and various processes described above can be realized on an arbitrary computer.

  As the recording medium, a memory (not shown) such as a ROM may be used as a program medium for processing by the microcomputer, and a program reader is provided as an external storage device (not shown). It may be a program medium that can be read by inserting a recording medium therein.

  In any case, the stored program is preferably configured to be accessed and executed by the microprocessor. Furthermore, it is preferable that the program is read out, and the read program is downloaded to the program storage area of the microcomputer and the program is executed. It is assumed that the download program is stored in the main device in advance.

  The program medium is a recording medium configured to be separable from the main body, such as a tape system such as a magnetic tape or a cassette tape, a magnetic disk such as a flexible disk or a hard disk, or a disk such as a CD / MO / MD / DVD. Fixed disk system, card system such as IC card (including memory card), or semiconductor memory such as mask ROM, EPROM (Erasable Programmable Read Only Memory), EEPROM (Electrically Erasable Programmable Read Only Memory), flash ROM, etc. In particular, there are recording media that carry programs.

  In addition, if the system configuration is capable of connecting to a communication network including the Internet, the recording medium is preferably a recording medium that fluidly carries the program so as to download the program from the communication network.

  Further, when the program is downloaded from the communication network as described above, it is preferable that the download program is stored in the main device in advance or installed from another recording medium.

  The program information extraction apparatus can be applied to a television, a radio, a personal computer, a recording device, and the like.

It is the figure which showed the structure of the program information display apparatus which concerns on embodiment of this invention. It is the figure which showed the program information (program information group) with which character number information was matched. It is the figure which showed the correspondence of specific information and a keyword. It is the figure which showed the correspondence of specific information and a flag. It is the figure which showed the program information and the flag set based on this program information. It is the figure which showed the other program information and the flag set based on this program information. It is the figure which showed the program information before selection and the program information which is extraction object in case there are more number of preference program information than (alpha) pieces. It is the figure which showed all the favorite program information, the program information before selection, and the program information which is an extraction object in case the number of preference program information is below β. It is the flowchart which showed the flow of the extraction and display of program information in the said program information display apparatus. It is the flowchart which showed the flow of the flag setting in the program information extraction apparatus of the said program information display apparatus. It is the flowchart which showed the flow of score calculation in the said program information extraction apparatus. It is a figure for demonstrating the other score criteria with respect to specific information. It is the figure which showed the structure of the video recording system containing the said program information display apparatus. It is the figure which showed the structure of the program information display apparatus which concerns on other embodiment of this invention. It is the figure which showed the profile. It is the flowchart which showed the flow of the said profile update. It is the figure which showed the list of these program information at the time of extracting the program information which contains the keyword of suspense in a title. It is the figure which displayed each extracted said program information in a predetermined display format.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Program information display apparatus 2 * 2 'Program information extraction apparatus 3 Display apparatus 9 Broadcast program recording system 11 Preference information input part 12 Preference information setting part (Preference information setting means)
13 Storage device (second storage device)
14 Program information acquisition unit (program information acquisition means)
15 Storage device (first storage device)
16 Character number calculation part (character number calculation means)
17 Corresponding part (corresponding means)
18.18 'Program information identification part (program information identification means)
19 Program information number calculating section (program information number calculating means)
20 Information extraction unit (information extraction means)
21 determination part (determination means)
22 score giving unit (score giving means)
31 Display screen 41 Broadcast program receiving section (broadcast program receiving means)
42 Recording Device 51 Viewing History Management Unit 52 Reservation Management Unit 53 Preference Information Extraction Unit (Preference Information Extraction Unit)
54 Storage device (second storage device)
55 Profile update unit 56 Preference level calculation unit

Claims (22)

Program information acquisition means for receiving a program information group including program information indicating the attribute of each broadcast program and storing the received program information group in the first storage device;
Assuming that the program information including the preference information indicating the user's preference is the preference program information, the preference program information is specified from the program information included in the program information group stored in the first storage device. Program information identification means;
Program information number calculating means for calculating the number of preference program information;
When the calculated number of preference program information is greater than the first threshold, the number of program information equal to or less than the first threshold is selected from the preference program information according to a predetermined criterion, and the selected program information An information extracting means for extracting the information from the first storage device.   2. The program information extracting apparatus according to claim 1, wherein the information extracting unit selects the program information of the first threshold number. The information extraction means includes
A determining means for determining whether or not each program information includes specific information that affects a predetermined viewing situation of the broadcast;
If the program information includes specific information, the program information includes score giving means for assigning a score according to the specific information to the program information,
3. The program information extracting apparatus according to claim 1, wherein the predetermined criterion is an order in which the score is high. The score giving means is:
When different specific information is included in the program information, a score corresponding to the specific information is calculated for each specific information, and a score obtained by adding the calculated score is attached to the program information. The program information extracting apparatus according to claim 3, wherein:   5. The program according to claim 3, wherein the determination unit determines that the program information includes the specific information when the correspondence information corresponding to the specific information is included in the program information. Information extraction device. The information extraction means includes
Selecting program information less than the first threshold,
Program information other than the preference program information is extracted from the first storage device in descending order of the score within a range in which the sum of the number of the preference program information extracted is equal to or less than the first threshold value. The program information extracting device according to any one of claims 3 to 5. When the predetermined value less than the first threshold is the second threshold,
The information extraction means extracts all the specified preference program information from the first storage device when the calculated number of preference program information is equal to or less than a second threshold, and the number of the extracted preference program information 6. The program information other than the preference program information is extracted from the first storage device in the descending order of the score within a range in which the sum of the values is equal to or less than the first threshold value. The program information extraction device described in 1.   8. The program information extracting apparatus according to claim 3, wherein information indicating that a broadcast program is a new program is used as the specific information.   8. The program information extracting apparatus according to claim 3, wherein information indicating that the broadcast program is the last episode is used as the specific information.   8. The program information extracting apparatus according to claim 3, wherein information indicating that a broadcast program is a special program is used as the specific information.   8. The program information extraction apparatus according to claim 3, wherein information indicating that the broadcast program is a rebroadcast program is used as the specific information.   8. The program information extracting apparatus according to claim 3, wherein information indicating that a broadcast program is a recorded program is used as the specific information. A character number calculating means for calculating the number of characters of the program commentary in the program information;
Corresponding means for associating the information on the calculated number of characters with each program information and including it in each program information,
8. The program information extracting apparatus according to claim 3, wherein information indicating that the number of characters of the program commentary is equal to or greater than a predetermined number is used as the specific information.   8. The program information extracting apparatus according to claim 3, wherein information indicating that the broadcast program is a golden time program is used as the specific information. A preference information setting means for receiving the preference information and storing the received preference information in the second storage device,
The program information extraction unit according to any one of claims 1 to 14, wherein the program information identification unit identifies the preference program information using preference information stored in the second storage device. apparatus.   15. The program information extraction device according to claim 1, further comprising preference information extraction means for extracting information included in program information of a broadcast program viewed in the past as the preference information. .   15. The program information extraction apparatus according to claim 1, further comprising preference information extraction means for extracting information included in program information of a broadcast program reserved for recording as the preference information. The program information extracting device according to any one of claims 1 to 17,
A program information display device comprising: a display device for displaying program information extracted by the program information extraction device. The program information extracting device according to any one of claims 1 to 17,
Broadcast program receiving means for receiving a broadcast program;
A broadcast program recording system comprising: a recording device that records the broadcast program indicated by the extracted program information. Receiving a program information group including program information indicating the attributes of each broadcast program, and storing the received program information group in the first storage device;
Assuming that the program information including the preference information indicating the user's preference is the preference program information, the preference program information is specified from the program information included in the program information group stored in the first storage device. A program information identification step;
A program information number calculating step for calculating the number of preference program information;
When the calculated number of preference program information is greater than the first threshold, the number of program information equal to or less than the first threshold is selected from the preference program information according to a predetermined criterion, and the selected program information An information extracting step of extracting the information from the first storage device.   The program for functioning a computer as each means of the program information extraction apparatus of any one of Claim 1 to 17.   A computer-readable recording medium on which the program according to claim 21 is recorded.

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