JP2007180708A - Broadcast reception control method and broadcast receiving apparatus - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a broadcast reception control method and a broadcast receiving apparatus capable of achieving word registration adaptive to user's preference and preventing a generated dictionary from being enlarged. <P>SOLUTION: A caption processing section 107, an EPG processing section 108, and a data broadcast processing section 109 respectively receive data such as captions and a program during reception and discriminate whether or not the program during reception is a dictionary registration object program (step S201). When the discrimination indicates that the program during reception is the dictionary registration object program, the caption processing section 107, the EPG processing section 108, and the data broadcast processing section 109 extract words registerable in the dictionary and extract additional information of the words (step S203). Then a dictionary registration/read processing section 110 registers the words and the additional information to the dictionary and stores the dictionary to the storage section 105 (step S204). <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

  The present invention relates to a broadcast receiving apparatus that receives digital broadcasts, extracts words from data such as EPG (Electronic Program Guide), data broadcasts, and subtitles included in the digital broadcasts, and registers the extracted words in the dictionary. The present invention relates to a technique used for Kana-Kanji conversion.

  2. Description of the Related Art Conventionally, broadcast receiving apparatuses that receive digital broadcasts have been provided with a dictionary necessary for converting characters input by user operations into kanji and the like. This dictionary is used for kana-kanji conversion. Yes. For example, Patent Document 1 automatically receives a digital broadcast, separates the reading and the part of speech from the EPG data to which the reading and the part of speech attribute are attached, and automatically creates a dictionary for kana-kanji conversion. The technology to generate is described. Accordingly, since the latest and popular words obtained from the EPG can be reflected in the dictionary, it is possible to provide a convenient input environment for users who watch digital broadcasting. Patent Document 2 describes a technique for receiving digital broadcasting, classifying EPG data included in the digital broadcasting for each item, analyzing readings, and registering them in a dictionary. Thereby, like the above-mentioned patent document 1, the dictionary which is convenient and easy to use for a user can be generated.

  The dictionary generated in this way is not only used for extracting words whose kana is exactly the same as the reading kana registered in the dictionary (hereinafter referred to as kana-kanji conversion), It is also used when extracting the starting kana word (hereinafter referred to as predictive conversion). That is, predictive conversion refers to predicting conversion candidates from characters input up to that stage in the middle of input when performing character input. As an example of this predictive conversion, for example, Patent Document 3 describes a technique for predicting conversion candidates based on connection information between words that constitute character information. Patent Document 4 describes a technique for predicting a conversion candidate based on information on the appearance frequency of a character string. Further, Patent Document 5 describes prediction that can be a conversion candidate according to the input speed of the character string. Techniques that limit the subject are described.

JP 2003-174597 A JP 2001-22374 A JP 2003-233605 A JP 2003-196273 A JP 2002-7390 A

  However, in the conventional broadcast receiving apparatus, the word included in the received digital broadcast is only registered in the dictionary, and the word is automatically added to the dictionary. there is a possibility. In addition, the conventional broadcast receiving apparatus has a predictive conversion function that is useful when using a dictionary, but it is desirable to realize a predictive conversion function that further improves user convenience.

  Therefore, the present invention has been made to solve the above-described problems, and its purpose is to implement broadcast reception control that realizes word registration that matches the user's preference and prevents the generated dictionary from becoming enlarged. A method and a broadcast receiving apparatus are provided.

  In order to solve the above problems, a broadcast reception control method according to the present invention includes a step of receiving a digital broadcast and a word from at least one of the electronic program guide, data broadcast, and subtitles included in the received digital broadcast. And a registration step of registering the extracted word in a dictionary used for kana-kanji conversion or prediction conversion in association with the received digital broadcast program. Here, kana-kanji conversion refers to conversion to a word that exactly matches the input kana and the reading kana registered in the dictionary. Prediction conversion is input up to that stage in the middle of input. It means to convert to a kana word starting with Takana.

  Further, the broadcast reception control method according to the present invention further relates to a program related to the word with respect to the used word when the word registered in the dictionary is used for kana-kanji conversion or predictive conversion. It has the display process which displays a word preferentially as a candidate, It is characterized by the above-mentioned.

  The broadcast reception control method according to the present invention further includes a setting step for presetting the program to be registered in the dictionary.

  The setting step is characterized in that a program selected from an electronic program guide, a program reserved for recording, a program reserved for viewing, or a program whose actual viewing time is longer than a preset time is preset. To do.

  Further, in the broadcast reception control method according to the present invention, the registration step associates the extracted word with the received digital broadcast program, registers it in the dictionary together with an expiration date that determines when to delete from the dictionary, It is determined whether or not the word registered in the dictionary is used for kana-kanji conversion or predictive conversion. If the word is not used within the expiration date, the word is deleted from the dictionary and the word is deleted within the expiration date. When used, it has a deletion extension step of extending the expiration date.

  Although the present invention has been described as a broadcast reception control method, the present invention includes a broadcast reception apparatus that substantially realizes the broadcast reception control method. That is, the broadcast receiving apparatus according to the present invention includes a means for storing a dictionary used for kana-kanji conversion or predictive conversion, a means for receiving a digital broadcast, an electronic program guide included in the received digital broadcast, a data broadcast, Means for extracting a word from at least one of subtitle data and registering the extracted word in the dictionary in association with the received digital broadcast program.

  According to the present invention, a word is extracted from data included in a digital broadcast, and the word is associated with a program and registered in the dictionary. Therefore, a dictionary including only words related to the program is generated. Thereby, it is possible to realize word registration that matches the user's preference and prevent the generated dictionary from being enlarged.

Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings.
FIG. 1 is a block diagram showing a configuration of a broadcast receiving apparatus according to an embodiment of the present invention. The broadcast receiving apparatus 100 includes a broadcast receiving unit 101, a control unit 102, a display unit 103, an operation unit 104, and a storage unit 105.

  The broadcast receiving unit 101 receives digital broadcast waves such as television and radio via an antenna, and generates an MPEG-2 transport stream (TS) signal. The display unit 103 displays subtitles, EPG, data broadcasting, and the like. The operation unit 104 inputs data from a user operation and operates the broadcast receiving apparatus 100. The storage unit 105 records and stores various data such as a dictionary in which words are registered and programs to be registered.

  The control unit 102 includes a demultiplexing (DEMUX) unit 106, a caption processing unit 107, an EPG processing unit 108, a data broadcast processing unit 109, a dictionary registration / reading processing unit 110, and a conversion processing unit 111. The demultiplexing unit 106 receives a TS signal from the broadcast receiving unit 101, analyzes the TS signal, specifies a broadcast program being received (an identifier indicating a program, a program name, etc.), and includes subtitles, PSI / SI. (Program Specific Information: Program specific information / Service Information: Program arrangement information) and data broadcasting.

  The subtitle processing unit 107 receives the subtitle and the program from the demultiplexing unit 106 and performs subtitle data analysis processing. The EPG processing unit 108 inputs PSI / SI and a program from the demultiplexing unit 106, creates an EPG, and performs analysis processing. The data broadcast processing unit 109 receives the data broadcast and program from the demultiplexing unit 106 and performs data broadcast analysis processing.

  The dictionary registration / reading processing unit 110 stores, in the storage unit 105, data related to reading of a word before conversion and converted word as a dictionary in kana-kanji conversion and prediction conversion by a user operation. The conversion processing unit 111 performs kana-kanji conversion and prediction conversion in accordance with a user operation.

  FIG. 2 is a sequence diagram showing word registration processing by the broadcast receiving apparatus 100 shown in FIG. This sequence diagram shows a process of extracting a word from data such as subtitles, EPG, and data broadcasting, and registering the word and information added to the word in a dictionary used for kana-kanji conversion and predictive conversion. Has been. The caption processing unit 107 determines whether or not the caption data is data belonging to a program that can be registered in a dictionary when the data to be registered for word is caption data. Similarly, when the data for which word registration is performed is EPG data, the EPG processing unit 108 determines whether or not the EPG data belongs to a program that can be registered in the dictionary. Similarly, when the data targeted for word registration is data broadcast, the data broadcast processing unit 109 determines whether the data broadcast belongs to a program that can be registered in the dictionary. Specifically, the caption processing unit 107, the EPG processing unit 108, and the data broadcast processing unit 109 input the respective data and the program being received from the demultiplexing unit 106, and programs to be registered in the dictionary set in advance by the user. Is input from the storage unit 105, and it is determined whether the program being received is a dictionary registration target program, or whether the program being received is a program included in a series of dictionary registration target programs. (Step S201).

  Here, it is assumed that the storage unit 105 stores a dictionary registration target program set through the operation unit 104 by a user operation. The dictionary registration target programs are a program selected by the user via the operation unit 104 on the EPG screen displayed on the display unit 103, a program reserved for recording, and a program reserved for viewing, and moreover, from a preset time. Includes programs that have a longer actual viewing time. A process for setting a program selected on the EPG screen as a program for dictionary registration and a process for setting a program whose actual viewing time is longer than a preset time as a program for dictionary registration will be described later.

  If it is determined that the program being received is a dictionary registration target program, the process proceeds to step 202. If it is determined that the program being received is not a dictionary registration target program, the process ends. The caption processing unit 107, the EPG processing unit 108, and the data broadcast processing unit 109 perform the processing of steps 203 and 204 for all words that can be registered in the dictionary among the words included in the respective data (step S202). Here, the words that can be registered in the dictionary are words to which information (additional information) such as a reading pseudonym, registration expiration date, part of speech, and attribute is added on the transmission side, or a caption processing unit 107 and an EPG processing unit on the reception side. 108 and the data broadcast processing unit 109 are words that can be analyzed for reading kana (words that can specify reading kana).

  The caption processing unit 107, the EPG processing unit 108, and the data broadcast processing unit 109 extract words that can be registered in the dictionary from the input data, and take out additional information of the words (step S203). Here, the additional information is information added to the word using a tag, a control code, or the like. Here, even a broadcast receiving apparatus that cannot understand such additional information can perform normal processing such as displaying subtitles, EPG, data broadcasting, and the like.

  Then, the dictionary registration / reading processing unit 110 registers the words extracted by the caption processing unit 107, the EPG processing unit 108, and the data broadcast processing unit 109 and the extracted additional information in the dictionary and stores them in the storage unit 105. (Step S204).

  FIG. 3 is an image diagram illustrating an example of an EPG screen displayed on the display unit 103. When the control unit 102 displays an EPG screen on the display unit 103 and the user selects a program on the EPG screen, the control unit 102 inputs the program from the operation unit 104 and stores the program as a dictionary registration target program in the storage unit 105. To remember. Similarly, when a recording reservation or viewing reservation is made by a user operation, the control unit 102 inputs the program from the operation unit 104 and stores the program in the storage unit 105 as a dictionary registration target program. . Thereby, the program to be registered in the dictionary is set in advance by the user. The dictionary registration target program stored in the storage unit 105 in this way is used in step 201 of the sequence diagram shown in FIG. That is, when the subtitle processing unit 107, the EPG processing unit 108, and the data broadcast processing unit 109 are receiving a program that is a dictionary registration target program or a series of the dictionary registration target program stored in the storage unit 105. Then, a word that can be registered in the dictionary is extracted, additional information of the word is extracted, and the dictionary registration / reading processing unit 110 registers it in the dictionary and stores it in the storage unit 105.

  Processing for changing or excluding a program to be registered in the dictionary can also be performed using the EPG screen shown in FIG. In FIG. 3, in order to make it easy for the user to understand a program set as a dictionary registration target, the control unit 102 may display the program on the display unit 103 by changing the background color of the program.

  When a program whose actual viewing time is longer than a preset time is set as a dictionary registration target program, the control unit 102 accumulates the actual viewing time for each program and stores it in the storage unit 105. The stored time is compared with the viewing time stored in the storage unit 105, and when the viewing time is longer, the program is stored in the storage unit 105 as a program to be registered in the dictionary.

  FIG. 4 is a diagram illustrating a data structure of a dictionary stored in the storage unit 105. This dictionary includes data of “word”, “reading”, “part of speech / attribute”, “registration date”, “expiration date”, “group”, “number of times of use”, and “last use time”. The dictionary registration / reading processing unit 110 needs to register “word” and “reading” when registering data in the dictionary, but other data is not included in the word additional information. Registers an initial value or a value indicating unknown.

  “Part of speech” is a noun, verb, or the like of the “word”, and “attribute” is a program name, a role name, a person name, or the like. These “parts of speech” and “attributes” are used to determine the priority of which word is optimal in accordance with the situation when performing kana-kanji conversion and predictive conversion. For example, when “~ san” is input at the time of conversion, a high priority is set for a “word” in which a noun or “attribute” is registered as a noun as “part of speech”.

  “Registration date” is the date on which the “word” is registered, and is set by the caption processing unit 107, the EPG processing unit 108, and the data broadcast processing unit 109. This “registration date” is used to determine the priority when performing kana-kanji conversion and predictive conversion. For example, a high priority is set for a “word” with a new “registration date”.

  The “expiration date” is the date and time when data such as “word” and “reading” is deleted from the dictionary when the “word” is not used for kana-kanji conversion and prediction conversion. When the date of the “expiration date” is reached, the control unit 102 deletes the data such as “word” and “reading” from the dictionary. In addition, when the “word” is used for kana-kanji conversion and prediction conversion (when it is listed as a conversion candidate and selected through the operation unit 104 by the user's operation), the control unit 102 Update “expiration date”.

  “Group” is an ID value assigned to each program (for example, a series in the case of a continuous drama), and the caption processing unit 107, the EPG processing unit 108, and the data broadcasting processing unit 109 use the “word”. The program ID value is assigned, and the dictionary registration / read processing unit 110 registers the data as “group” data in the dictionary. This “group” is used to set a higher priority for “words” belonging to the same “group” as the “words” when “words” are used by kana-kanji conversion and predictive conversion.

  “Number of uses” is the number of times used in kana-kanji conversion and prediction conversion, and the control unit 102 updates the “number of uses” at the time of conversion. This “number of times of use” is used to determine the priority at the time of kana-kanji conversion and prediction conversion. For example, a high priority is set for a “word” having a high “use count”.

  The “last use time” is the last time used in kana-kanji conversion and prediction conversion, and is registered for each “group”. That is, in the case of the same “group”, the same “last use time” is registered. The control unit 102 updates the “last use time” of the same “group” at the time of conversion. This “last use time” is used to determine the priority in kana-kanji conversion and predictive conversion. For example, a high priority is set for a “word” with a new “last use time”.

  In addition to the various data shown in FIG. 4, data such as speech representing the meaning of “word” and the pronunciation of “word” may be registered in the dictionary.

  FIG. 5 is a sequence diagram showing a priority determination procedure. When a reading pseudonym is input by a user operation, the conversion processing unit 111 inputs the reading pseudonym from the operation unit 104 and searches the dictionary stored in the storage unit 105 via the dictionary registration / reading processing unit 110. Then, the conversion processor 111 generates a set X of data such as words having the reading kana (step S501). In this case, the conversion processing unit 111 extracts data such as words that completely match the input reading kana and the reading registered in the dictionary at the time of kana-kanji conversion. Further, the conversion processing unit 111 extracts data such as a word having a reading pseudonym that starts with the input kana at the time of predictive conversion.

  The conversion processing unit 111 rearranges data such as words in order from the newest registration date for the set X generated in step 501 to generate a new set X (step S502). Then, the conversion processing unit 111 rearranges data such as words in descending order of the number of uses for the set X generated in step 502, and generates a new set X (step S503). Then, the conversion processing unit 111 rearranges data such as words in order from the newest use time of the group for the set X generated in step 503 (step S504). Also, the conversion processing unit 111 sets priority according to the sequence to each word, and displays, for example, the word cited as the conversion candidate on the display unit 103 together with the priority number. Thus, the word with the highest priority is presented to the user first.

  FIG. 6 is an image diagram illustrating an operation example during predictive conversion. FIG. 6 (a) shows that the last use time of each group registered in the dictionary is group 0 to which "Taxi" belongs, group 10 to which "Experience Exploration" belongs, and group to which "Takao Takao" and "Takahashi Jun" belong. FIG. 11 shows an example of a screen display on the display unit 103 when the conversion processing unit 111 inputs “ta” from the operation unit 104 and performs predictive conversion when the order is 21 in the new order. From FIG. 6A, it can be seen that the priorities are set and displayed in order from the latest use time.

  FIG. 6B shows that the conversion processing unit 111 performs predictive conversion by inputting “hi” from the operation unit 104 in the state of FIG. It is an example of a screen display on the display unit 103 when “is selected”. When the selection of “From East Country” is input from the operation unit 104 by the user's operation, the conversion processing unit 111 updates the use count and expiration date of the word “From East Country” registered in the dictionary. Furthermore, the last use times of the words “from the eastern country”, “Takao Tsuji”, and “Shin Takahashi” belonging to the same group 21 are also updated. As a result, the last use time is in the order of group 21, group 0, and group 10.

  FIG. 6C is a screen display example on the display unit 103 when the conversion processing unit 111 performs predictive conversion by inputting “ta” again from the operation unit 104 in the state of FIG. From FIG. 6C, it can be seen that the priority of the group 21 has been raised by the operation in FIG. 6B, so that “Takao Tsuji” and “Shin Takahashi” belonging to the group 21 are displayed at the top.

  FIG. 7 is a diagram illustrating a transition of the data set X extracted from the dictionary when the conversion processing unit 111 determines the priority when “ta” in FIG. 6C is input. FIG. 7A shows an example of a set X generated by extracting words starting with “TA” from the dictionary. Other than the words registered in the dictionary by the caption processing unit 107, the EPG processing unit 108, and the data broadcast processing unit 109 (for example, “taxi”), the registration date and the expiration date are not registered, and the group is registered as 0. ing.

  FIG. 7B shows the set X shown in FIG. 7A, in which data such as words are rearranged in the order of registration date and are newly generated. FIG. 7C shows a newly generated data by rearranging data such as words in descending order of the number of uses for the set X shown in FIG. 7B. FIG. 7D shows the set X shown in FIG. 7C, which is newly generated by rearranging the last use times of the groups in order of newest. The arrangement order of the set X shown in FIG. 7D is the final priority. This is shown in FIG. 6C in which the last use time of the group is in the order of group 21, group 0, and group 10. It corresponds to the screen that has been.

  The present invention has been described with reference to the embodiment. However, the present invention is not limited to the above embodiment, and various modifications can be made without departing from the spirit and intention of the present invention. For example, in the above-described embodiment, the present invention is also applied to a mobile portable terminal device having a broadcast receiving function.

It is a block diagram which shows the structure of the broadcast receiver by embodiment of this invention. It is a sequence diagram which shows a word registration process. It is an image figure which shows the example of an EPG screen. It is a figure which shows the data structure of a dictionary. It is a sequence diagram which shows a priority determination procedure. It is an image figure which shows the operation example at the time of prediction conversion. It is a figure which shows the transition of the set of the data extracted from the dictionary in the case of determining a priority.

Explanation of symbols

100 broadcast receiving device 101 broadcast receiving unit 102 control unit 103 display unit 104 operation unit 105 storage unit 106 demultiplexing unit 107 subtitle processing unit 108 EPG processing unit 109 data broadcast processing unit 110 dictionary registration / reading processing unit 111 conversion processing unit

Claims (6)

Receiving digital broadcasts;
An extraction step of extracting a word from at least one of the electronic program guide, the data broadcast, and the caption included in the received digital broadcast;
And a registration step of registering the extracted word in a dictionary used for kana-kanji conversion or predictive conversion in association with the received digital broadcast program. The broadcast reception control method according to claim 1,
Further, when a word registered in the dictionary is used for kana-kanji conversion or predictive conversion, a display step of preferentially displaying a word associated with a program related to the word as a candidate for the used word A broadcast reception control method characterized by comprising: The broadcast reception control method according to claim 1 or 2,
A broadcast reception control method comprising a setting step of presetting a program to be registered in the dictionary. In the broadcast reception control method according to claim 3,
The setting step is characterized in that a program selected from an electronic program guide, a program reserved for recording, a program reserved for viewing, or a program whose actual viewing time is longer than a preset time is preset. Broadcast reception control method. In the broadcast reception control method according to any one of claims 1 to 4,
The registration step associates the extracted word with the received digital broadcast program, registers it in the dictionary with an expiration date that determines when to delete it from the dictionary,
Further, it is determined whether or not the word registered in the dictionary is used for kana-kanji conversion or predictive conversion. If the word is not used within the expiration date, the word is deleted from the dictionary and the expiration date A broadcast reception control method comprising a deletion extension step of extending the expiration date when used in a network. Means for storing a dictionary used for kana-kanji conversion or predictive conversion;
Means for receiving digital broadcasts;
A word is extracted from at least one of the electronic program guide, the data broadcast, and the caption included in the received digital broadcast, and the extracted word is associated with the received digital broadcast program in the dictionary. A broadcast receiving apparatus comprising: means for registering.

Images