JP2000324455A - Data broadcasting receiving method and receiver using the method - Google Patents

Abstract

PROBLEM TO BE SOLVED: To obtain desired data from a TV signal in a short time by the simple operating procedure by a user. SOLUTION: At the time of separating a data broadcasting signal from a TV signal to be received and storing it as data in a memory 3 for retaining data, an arithmetic processor 30 extracts sentence data from the data in the memory 3 based on a keyword registered in a keyword database 7 by a sentence data extracting procedure S40 to store it in a memory 4 for retaining sentence data. Next, the processor 30 prepares an entry sentence, which is obtained by shortening the stored sentence data for each page, e.g. by a syntax analysis and entry sentence preparing procedure S20 to store it in a memory 5 for temporarily storing an entry sentence and displays video by entry sentence on a screen. Thus, many items being a summary is displayed on one picture and unnecessary data except for data desired by a desired keyword can be deleted.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

The present invention relates to a method for selecting a desired broadcast signal from a plurality of broadcast signals in which received data is multiplexed, extracting desired data from the selected broadcast signal, and storing the extracted data. Regarding a data broadcast receiving device that decodes and displays specified data from among the stored data,
In particular, the present invention relates to a data broadcast receiving method capable of obtaining desired data designating received broadcast data in a short time by a simple operation procedure of a user and displaying the contents as an image, and a receiving apparatus using the method.

[0002]

2. Description of the Related Art An example of data broadcasting is "text multiplex broadcasting", and the prior art will be described.

In teletext broadcasting in terrestrial broadcasting, which is one type of data broadcasting, TV broadcasting is performed using a vertical blanking period.
A data broadcast signal is inserted in the signal. In the TV receiver, a data broadcast signal is extracted from a received TV signal in response to a channel designation input for text broadcast reception, and a video of desired text data is displayed on a screen in response to a designation input of a table of contents number.

[0004] That is, conventionally, in this type of data broadcast receiving method, a TV receiver inputs a TV signal (step S111), for example, as in step S110 shown in FIG.
When there is a character broadcast channel designation input by the user (procedure S112), the data signal is separated from the TV signal input from the designated channel (procedure S113) and stored in the data storage memory (procedure S113). S11
4) and examine the table of contents in the stored data (step S11)
5) Do it.

[0005] If the procedure S115 is "YES" and a table of contents exists, the table of contents is transferred to the video display device and displayed as an image (step S116). On the other hand, if step S115 is “NO” and there is no table of contents, the procedure returns to step S111 for inputting a TV signal, and is repeated until a table of contents is input.

[0006] Subsequent to step S116, the TV receiver sets
Receiving the input of the table of contents designation by the user (step S117)
Therefore, the data signal specified in the table of contents is searched from the data signal separated from the TV signal (step S118), and the searched data is stored in the data storage memory (step S11).
9) At the same time, the image is transferred to the video display device to display an image (step S120).

[0007]

The above-mentioned conventional data broadcast receiving method has a problem that the operation load and the time required for obtaining the data desired by the user are large.

[0008] The reason is that in the case of the above-described teletext broadcasting, the data signal is separated from the TV signal when the teletext channel is selected, but the TV receiver first extracts the table of contents from the received data signal. The user selects a table of contents because the table of contents is stored and displayed, and then specifies desired table of contents numbers assigned to the table of contents selected by the user, extracts desired data from the received data signal, and stores and displays the image. Because there is a procedure.

An object of the present invention is to solve such a problem and provide a data broadcast receiving method capable of obtaining desired data in a short time by a simple operation procedure of a user and a receiving apparatus using the method. It is to be.

[0010]

According to the data broadcast receiving method of the present invention, a desired broadcast signal is selected from a plurality of broadcast signals in which received data is multiplexed, and a desired data is selected from the selected broadcast signal. Is extracted and stored, and the designated data is decoded and displayed from the stored data. The extracted data to be extracted from the selected broadcast signal and stored is sentence data. The contents of the data are formed into a headline sentence of a predetermined number of words or less and displayed as an image.

As one of the specific configurations, the data broadcast receiving apparatus stores a data storage memory for storing desired data extracted from a selected broadcast signal and text data extracted from the data. A sentence data storage memory, a headline sentence temporary storage memory for storing a headline sentence in which the contents of the sentence data are short-cultured, an image display device for displaying the designated data in an image, and the data storage memory. The sentence data is extracted from the sentence data and stored in the sentence data storage memory, and then the contents of the sentence data stored in the sentence data storage memory are determined in a predetermined length range. Arithmetic processing for forming a headline sentence within the number of words and storing it in the headline temporary storage memory, and displaying the stored headline sentence as an image And a location.

As a result of such a configuration, in the data broadcast receiving apparatus, character data can be stored in a short headline sentence and can be displayed as an image. Therefore, the user can determine the contents of desired data in the teletext using a large number of headline sentences collected together. The outline can be obtained in a short time by a simple operation procedure.

In another data broadcast receiving method according to the present invention, a keyword database including keywords defined by a user is provided as a keyword dictionary, and the extracted data to be extracted from the selected broadcast signal and stored is text data. The sentence data is extracted from the data based on keywords included in the keyword dictionary. With this method, only data relating to a keyword to be registered in advance is displayed on the screen.

As one specific configuration, the data broadcast receiving apparatus includes a keyword dictionary, which is a keyword database including keywords defined by a user, and data for storing desired data extracted from a selected broadcast signal. A storage memory, a text data storage memory for storing text data extracted from the data, a video display device for displaying specified data on a video, and the keyword dictionary based on the data stored in the data storage memory. And an arithmetic processing unit for extracting sentence data based on the keyword included in the sentence data and storing the same in the sentence data storage memory, and then displaying the contents of the sentence data stored in the sentence data storage memory in an image. I have.

As a result of such a configuration, the data broadcast receiving apparatus can store only character data registered as keywords in advance as text data and can display an image. Therefore, the user can easily input desired data in a short time by a simple operation procedure. Obtainable.

More specifically, the data broadcast receiving apparatus forms the sentence data into a headline sentence of a predetermined number of words or less and displays the image, and the headline sentence defines the syntax of the sentence data in advance. By extracting nouns and verbs by analyzing within the length of the given length, organizing and creating the same word that appears many times, and by creating at least two lines per page of the sentence data, The above functions can be more specifically achieved.

[0017]

Next, embodiments of the present invention will be described with reference to the drawings.

FIG. 1 is a functional block diagram showing an embodiment of a data broadcast receiving apparatus according to the present invention. The data broadcast receiving device shown in FIG. 1 includes a tuner unit 1, a video display device 8, and an arithmetic processing device 10 connected to an antenna in common for TV broadcast and data broadcast. A data broadcast decoder 2, a data storage memory 3, a text data storage memory 4, a headline text temporary storage memory 5, and a data display device 6, and a TV broadcast signal processing for TV broadcast. It is assumed that a device 9 is provided, and the flow of data connecting these components is described.

FIG. 2 shows an embodiment of the hardware configuration of the data broadcast receiving apparatus.

The data storage memory 3 and the text data storage memory 4 in FIG. 1 are included in the data broadcast memory 21, and the headline / text temporary storage memory 5 is included in the temporary storage device 22. Further, the arithmetic processing unit 10 includes a CP
A U (Central Processor Unit) 11, a RAM (Random Access Memory) 12, and a ROM (Read Only Memory) 13 are described in the text data extraction procedure S10 and the syntax analysis / headline text creation procedure S20 shown in FIG. Have by program for invention. Further, the input device 23 selected and designated by the user
For audio output other than video display, an audio output device 24 using, for example, a speaker is shown.

Next, a data broadcast receiving apparatus according to the present invention will be described with reference to FIG. 1 and FIG. The arithmetic processing unit 10 is connected to all units and devices via a bus, and program-controls the functions of the data broadcast receiving device.

The tuner unit 1 inputs a TV signal of a channel specified by the input device 23 from an antenna, separates the TV broadcast signal from a data broadcast signal in a vertical blanking period, and converts the TV broadcast signal into a TV broadcast signal. The data broadcast signal is sent to the data broadcast decoder 2 while being sent to the processing device 9.

The data broadcast decoder 2 decodes the data broadcast signal received from the tuner unit 2 and sends it to the data storage memory 3. The data storage memory 3 receives the control of the arithmetic processing unit 10 and stores and stores the decoded data received via the data broadcast decoder 2, and sends the video data to the video display device 8 via the data display device 6. It shall be displayed on the screen. The decoded data in the data broadcast signal includes video data composed of image data and character data, and simple sound data may be added thereto.

The sentence data storage memory 4 stores sentence data composed of a series of characters extracted from the decoded data stored in the data storage memory 3 by the sentence data extraction procedure S10 of the arithmetic processing unit 10.

The headline sentence temporary storage memory 5 stores a headline sentence, which is a short sentence of one page of sentence data read from the sentence data storage memory 4 by the syntax analysis and heading sentence creation procedure S20 of the arithmetic processing unit 10, On the other hand, the data is stored and sent to the video display device 8 via the data display device 6 and displayed on the screen under the control of the arithmetic processing device 10.

The data display device 6 receives the video data of the data storage memory 3 or the video data of the data storage memory 3 and the character data of the headline / text temporary storage memory 5. It is also possible to create an image by superimposing it on an image and output it to the video display device 8 to display it on a screen.

The video display device 8 receives the control of the arithmetic processing device 10 and normally displays the video data received from the TV broadcast signal processing device 9 on the screen. Based on the more detailed designation, the text data stored in the data storage memory 3 or the headline text temporary storage memory 5 is displayed on the screen via the data display device 6.

The TV broadcast signal processing device 9 performs TV broadcast processing and has no direct relation to the present invention, so that the description thereof is omitted.

The arithmetic processing unit 10 has a CPU 11
The functions of the apparatus are executed by making full use of the AM 12 and the ROM 13. The stored programs include a sentence data extraction procedure S10 for extracting sentence data from data of data broadcasting, and a sentence of one page within one or two lines, for example. And a syntax analysis / heading sentence creation procedure S20 for automatically creating an appropriate short heading sentence.

The arithmetic processing unit 10 also stores the simple sound data from the data broadcast signal in the data storage memory 3 and the T
It is assumed that the audio signal from the V broadcast signal is extracted from each of the TV broadcast signal processing devices 9 and transmitted to the audio output device 24 in the same manner as in the prior art based on the user's designation.

Next, a text data extraction procedure S10 for extracting text data from a TV signal input will be described with reference to FIG. 3 and FIG. 1 and FIG.

First, when a user selects a channel and a teletext, the tuner unit 1 inputs the selected TV signal (step S11) and separates the data broadcast signal (step S12). The data broadcast signal is separated (YES in step S13), and the decoded data decoded by the data broadcast decoder 2 is stored in the data storage memory 3 (step S14).

The arithmetic processing unit 10 extracts text data from the data stored in the data storage memory 3 (step S1).
5) and store it in the sentence data storage memory 4 (procedure S1).
6) Yes.

Next, the arithmetic processing unit 10 reads out the sentence data stored in the sentence data storage memory 4 and executes a syntax analysis / heading sentence creation procedure (procedure S20), which will be described later. It is created and stored in the headline sentence temporary storage memory 5.

The arithmetic processing device 10 transfers the headline sentence stored in the headline sentence temporary storage memory 5 to the data display device 6 (step S31), and the data display device 6 transfers the headline sentence to the video display device 8 (step S32). To display on the screen.

On the other hand, if the step S13 is "NO" and the broadcast signal is a TV broadcast signal, the TV broadcast signal processing device 9 receives the control of the arithmetic processing device 10 and transmits the TV broadcast signal from the tuner unit 1 to the video signal (step S33 YES) is transferred to the video display device 8 (procedure S32), and the audio signal (procedure S32)
33 (NO) is transferred to the audio output device 24 (procedure S34).
Is done.

If the user is not satisfied with the screen display in step S32 and wants to know the detailed contents, the user specifies the number code displayed on the screen from the input device 23 to store the data in the data storage memory 3. The stored data can be sent to the video display device 8 via the call data display device 6, and the broadcast data on which the headline sentence is based can be displayed on the screen.

Next, referring to FIG. 4 and FIGS. 1 and 2, a description will be given of a syntax analysis / heading sentence creation procedure S20 for creating a heading sentence from sentence data.

The arithmetic processing unit 10 extracts the sentence data stored in the sentence data storage memory 4 and extracts the tree structure (T
The syntactic analysis is performed (step S21) by, for example, making the structure a free structure, and a noun such as a proper noun is extracted from the obtained result (step S22), and the number of appearances of each of the nouns of the same phrase is measured (step S23). In the case of a pronoun, it is measured as a corresponding noun indicated by the pronoun.

Next, the arithmetic processing unit 10 selects the noun having the maximum number of occurrences, extracts the verb from the predicate attached to this noun (step S24), and counts the number of occurrences of each verb of the same phrase (step S25). ) And arranges a large number of verbs that appear (procedure S26) and selects them to form predicate clauses.
As a result, the arithmetic processing unit 10 combines the selected noun and predicate clause, supplements the particles, creates a headline sentence as an appropriate short sentence (step S27), and temporarily stores it in the headline sentence temporary storage memory 5 (step S27). Step S28).

In the above description, the headline sentence has been described as appropriately not more than two lines per page for convenience of automatic creation, but the length of the short sentence is not limited to this.

Further, even if the data amount as a data broadcast signal is enormous, the amount of text data in characters is limited.
Further, since the data volume of the short-form headline sentence is reduced, even if the memory capacity of the data storage memory for the decoded data is small, the outline of the contents of the data broadcast signal should be sequentially stored in the headline sentence temporary storage memory. Thus, the user can sequentially search for data. Therefore, the procedure for searching again from the received signal may be used as in the related art only when obtaining detailed contents, and when the displayed outline is sufficient, the operation procedure and time required can be significantly reduced.

Next, with reference to FIGS. 5 and 6, a description will be given of a data broadcast receiving apparatus different from the above-described embodiment.

5 and 6 are different from FIGS. 1 and 2 in that a keyword database 7 is added, and as a result, the arithmetic processing unit 30 is changed. Keyword database 7
Is registered with a keyword defined in advance by the user. Further, the change in the arithmetic processing device 30 is the sentence data extraction procedure S40, and there is no change in other points, so that the description is omitted.

Next, a text data extraction procedure S40 for extracting text data from a TV signal input, which is a change, will be described with reference to FIG. 7 and FIGS.

First, when the user selects a channel and a teletext, the tuner unit 1 inputs the selected TV signal (step S41) and separates the data broadcast signal (step S42). The data broadcast signal is separated (YES in step S43), and the decoded data decoded by the data broadcast decoder 2 is stored in the data storage memory 3 (step S44).

The arithmetic processing unit 10 searches for a keyword registered in the keyword database 7 (step S4).
5) Then, text data is extracted from the data stored in the data storage memory 3 based on the searched keyword (step S46) and stored in the text data storage memory 4 (step S46).
47).

The procedure after step S47 is the same as the procedure shown in FIG.
Are the same as those described with reference to FIG.

According to this configuration, the target of the data to be extracted is limited, so that the headline sentence created as a short sentence can also be limited to a portion desired by the user. Therefore, compared to the above-described embodiment, a character image of a data broadcast can be obtained more reliably in a short time.

In this embodiment, a keyword database is further added to the creation of a headline sentence. However, by adding only a keyword database, only desired sentence data can be displayed on the video screen without creating a headline sentence. Since the information is displayed, the effect of simplifying the operation procedure of the user and shortening the required time until acquisition can be sufficiently exhibited as compared with the related art.

[0051]

According to the present invention as described above, the following effects can be obtained.

The first effect is that the contents of the received data broadcast can be easily obtained in a short time.

The reason is that, when a data broadcast signal is decoded from an input TV signal and stored, text data is extracted from the decoded data and the text data is short-cultured to be a headline sentence. This is because a large number of text data can be displayed on the screen at the same time.

A second effect is that data desired by the user can be easily obtained in a short time from the contents of the data broadcast.

The reason is that a keyword database is provided, and a user registers a keyword in advance.
When the data broadcast signal is decoded from the input TV signal and stored, text data matching the registered keyword is extracted from the decoded data, so that only the text data desired by the user is displayed on the screen in a limited manner. Because you can do it.

[Brief description of the drawings]

FIG. 1 is a functional block diagram showing an embodiment of the present invention.

FIG. 2 is a block diagram showing one configuration of hardware in the embodiment of FIG. 1;

FIG. 3 is a flowchart showing a procedure of text data extraction in the embodiment of FIG. 1;

FIG. 4 is a flowchart illustrating a procedure for creating a headline sentence according to the embodiment of the present invention.

FIG. 5 is a functional block diagram showing an embodiment different from FIG. 1 of the present invention.

FIG. 6 is a block diagram showing one configuration of hardware in the embodiment of FIG. 5;

FIG. 7 is a flowchart showing a procedure of text data extraction in the embodiment of FIG. 5;

FIG. 8 is a flowchart showing an example of a conventional data search and display procedure in teletext.

[Explanation of symbols]

 Reference Signs List 1 Tuner unit 2 Data broadcast decoder 3 Data storage memory 4 Text data storage memory 5 Headline text temporary storage memory 6 Data display device 7 Keyword database 8 Video display device 10, 30 Arithmetic processing unit S10, S40 Text data extraction procedure S20 Syntax analysis and headline text creation procedure

 ────────────────────────────────────────────────── ─── Continuing from the front page (72) Inventor Takuya Nishibayashi F-term (reference) 5C025 AA25 BA25 BA27 BA30 CA02 CB10 DA05 5C063 AB05 1-4-4 Shiromi, Chuo-ku, Osaka-shi, Osaka CA23 DA20 DB02 EB45 EB50

Claims (10)

[Claims] 1. A desired broadcast signal is selected from a plurality of broadcast signals in which received data is multiplexed, and desired data is extracted and stored from the selected broadcast signal. In the data broadcast receiving method for decoding and displaying data designated from the above, the extracted data to be extracted and stored from the selected broadcast signal is text data, and the content of the text data is within a predetermined number of words. A data broadcast receiving method comprising forming a headline sentence and displaying an image. 2. A desired broadcast signal is selected from a plurality of broadcast signals in which received data is multiplexed, desired data is extracted from the selected broadcast signal, stored, and A data broadcast receiving method for decoding and displaying specified data from a broadcast signal provided with a keyword database including a keyword defined by a user as a keyword dictionary, wherein the extracted data to be extracted from the selected broadcast signal and stored is a text. A data broadcast receiving method, wherein the sentence data is extracted from the data based on a keyword included in the keyword dictionary. 3. The data broadcast receiving method according to claim 2, wherein the sentence data is formed into a headline sentence having a predetermined number of words or less and is displayed as an image. 4. The headline sentence according to claim 1, wherein the headline sentence is analyzed by analyzing the syntax of the sentence data within a predetermined length to extract a noun and a verb attached to the noun, thereby obtaining many sentences. A data broadcast receiving method characterized in that the same word that appears several times is arranged and created. 5. The data broadcast receiving method according to claim 4, wherein the headline sentence is created within two lines for at least one page of the data. 6. A desired broadcast signal is selected from a plurality of broadcast signals in which received data is multiplexed, desired data is extracted from the selected broadcast signal, stored, and A data broadcast receiving apparatus for decoding and displaying data specified from a data storage memory for storing desired data extracted from a selected broadcast signal, and a text for storing text data extracted from the data A data storage memory, a headline sentence temporary storage memory for storing a headline sentence in which the content of the sentence data is short-cultured, an image display device for displaying specified data on an image, and the data storage memory. Text data is extracted from the data and stored in the text data storage memory, and then the content of the text data stored in the text data storage memory An arithmetic processing device that forms a headline sentence within a predetermined length within a predetermined number of words and stores the headline sentence in the temporary storage memory, and displays the stored headline sentence as an image. A data broadcast receiving device comprising: 7. A desired broadcast signal is selected from a plurality of broadcast signals in which received data is multiplexed, desired data is extracted from the selected broadcast signal, stored, and A data broadcast receiving apparatus that decodes and displays data specified from a keyword dictionary, which is a keyword database including keywords defined by a user, and data storage for storing desired data extracted from a selected broadcast signal Memory, a text data storage memory for storing text data extracted from the data, a video display device for displaying the specified data in video, and the keyword dictionary from the data stored in the data storage memory. The sentence data is extracted based on the included keywords and stored in the sentence data storage memory. A data broadcast receiving apparatus, comprising: an arithmetic processing unit for displaying an image of the contents of the sentence data stored in the sentence data storage memory. 8. The processing device according to claim 7, further comprising a headline sentence temporary storage memory sentence data for storing a headline sentence in which the contents of the sentence data stored in the sentence data storage memory are short-cultured. A data broadcast receiving apparatus characterized in that the content of the sentence data is formed into a headline sentence having a number of words within a predetermined number of words and is displayed as an image. 9. The arithmetic processing device according to claim 6, wherein the arithmetic processing device analyzes the headline sentence by analyzing the syntax of the sentence data within a predetermined length range to determine a noun and a verb attached to the noun. A data broadcast receiving apparatus characterized by extracting and organizing and creating the same word appearing many times. 10. The arithmetic processing device according to claim 9,
A data broadcast receiving apparatus, wherein a headline sentence is created within at least two lines for each page of the sentence data.