JP2002318811A - In-vehicle information terminal device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an excellent in-vehicle information terminal device capable of omitting a complicated key operation, and acquiring simply desired information from among received character information. SOLUTION: This device is provided with a character string retrieval means 102 for retrieving a retrieval word comprising a specific character string from among the received character information, a voice recognition means 115 for recognizing the voice of an unspecified speaker, and recognition word tables 103, 105 for correlating recognition words used as a dictionary for voice recognition with the retrieval words for retrieving the character string, and storing them. In the device, the retrieval word corresponding to the recognition word recognized by voice recognition is retrieved from among the received character information by the character string retrieval means 102, and the information wherein the retrieval word can be retrieved is selected, and presented to a user visually or after being converted into a voice.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an in-vehicle information terminal device capable of retrieving desired information from received character information and selecting and presenting necessary information.

[0002]

2. Description of the Related Art FIG. 8 is a block diagram showing the configuration of a conventional vehicle-mounted information terminal device of this type, showing an example in which character information obtained by FM text multiplex broadcasting can be presented. In FIG. 8, the conventional in-vehicle information terminal device acquires character information data received by character information receiving means 801 from FM character multiplex broadcasting, applies it to browsing page setting means 802, and browses by browsing page setting means 802. A desired page is selected, and the character information selected by the display unit 803 is displayed.

FIG. 9 shows an example of a display screen in the browsing page setting means 802. When a screen to be displayed is selected, a menu screen 901, a submenu screen 902, and a top page 903 of a character information screen to be viewed are displayed. The information screen 904 that the user wants to view finally is selected and displayed.

Next, an operation example of a conventional vehicle-mounted information terminal device will be described.
The description will be made on the assumption that the traffic information of "Tomei Expressway" is browsed. First, a menu screen 901 is displayed by the browse page setting means 802. When the user selects “3. Traffic information” by operating the keys on the remote controller or the like, the submenu screen is displayed.
902 is displayed. When "2. Expressway" is further selected, a top page 903 of the expressway information is displayed. Further, by turning the page by key operation, it is possible to display the page 904 of the traffic information of "Tomei Expressway" which the user wants to finally browse.

[0005]

However, the conventional operation requires a plurality of key operations in order to obtain desired information, and has a problem in that the operation is time-consuming. Further, there is a case where desired information is not received, and in this case, there is a problem that all the data must be visually inspected to know. Furthermore, since operation during traveling is dangerous, it is customary to set operation restrictions, so that there is a problem in that operation cannot be actually performed during traveling and desired information cannot be obtained.

In order to solve the above-mentioned problem, the present invention specifies a search word consisting of a specific character string by voice recognition, selects information from which the search word can be searched from received character information, and provides the user with the information. It is an object of the present invention to provide an excellent in-vehicle information terminal device capable of easily and easily obtaining desired information by converting the information into a visual or audio presentation and omitting complicated key operations.

[0007]

In order to achieve the above object, an on-vehicle information terminal device according to the present invention comprises: character string search means for searching a received character information for a search word consisting of a specific character string; A voice recognition means for recognizing a user's voice, and a recognition word table storing a recognition word serving as a dictionary for voice recognition and a search word for searching for a character string in association with each other, wherein the recognition word recognized by the voice recognition means is provided. Is searched from the received character information, and the character information for which the search word has been searched is selected and presented to the user.

With this configuration, complicated key operations can be omitted, and desired information can be easily obtained.

Further, the in-vehicle information terminal device of the present invention has a configuration having a function of presetting a recognition word table configured by associating recognition words with search words as an initial setting.

With this configuration, the user can search for information without prior registration.

Further, the on-vehicle information terminal device of the present invention includes a user recognition word table setting means, and provides a user with a recognition word table including at least one of a unique recognition word different from the initial setting and a search word. It has a configuration having a function of setting. With this configuration, it is possible to search for information that the user uniquely wants.

Further, the in-vehicle information terminal device according to the present invention has a configuration having a function of registering a plurality of search words in association with one recognition word and defining a search logic for each of the search words. With this configuration, desired information can be more accurately searched.

[0013] Also, the on-vehicle information terminal device of the present invention comprises a current position estimating means for estimating a location where the vehicle is located, and a current position search word setting means for setting a search word related to the current position estimated by the current position estimating means. And a function having a function of using a search word related to the current location set by the current location search word setting means as a search condition. With this configuration, it becomes easier to obtain information around the place where the user is.

[0014] Further, according to the present invention, there is provided a vehicle information terminal device comprising: a destination setting means for setting a destination of a vehicle; and a destination search word for setting a search word related to the destination set by the destination setting means. There is provided a configuration having a function of using a search word relating to the destination set by the destination search word setting means as a search condition. With this configuration, it is easy to obtain information on a place to go.

Further, the on-vehicle information terminal device of the present invention is provided with a voice synthesizing means for converting text information into voice, and has a function of converting text information to be presented by the voice synthesizing means into voice and presenting it. Prepare. With this configuration, information can be obtained without looking at the screen.

Further, the on-vehicle information terminal device of the present invention is provided with a voice synthesizing means for converting character information into a voice and a running determining means for determining whether the vehicle is running or stopped. If it is determined, the information processing apparatus has a configuration having a function of converting the corresponding information into a voice by the voice synthesis unit and presenting the voice.

With this configuration, desired information can be obtained without impairing safety during traveling.

Further, an on-vehicle information terminal device of the present invention has a configuration having two or more functions described in any one of claims 2 to 8 in addition to claim 1.

With this configuration, in addition to the first aspect, two or more functions described in any one of the second to eighth aspects are combined, so that a synergistic effect can be obtained.

[0020]

Embodiments of the present invention will be described below with reference to the drawings.

FIG. 1 is a block diagram showing the configuration of the on-vehicle information terminal device of the present invention. The in-vehicle information terminal device of the present invention receives character information of FM text multiplex broadcasting, searches for character information using a search word determined based on the result of voice recognition, and displays desired character information in characters or in voice. This is an example of a case where presentation is possible.

In FIG. 1, the in-vehicle information terminal device of the present invention outputs character information data received by character information receiving means 101 from FM character multiplex broadcasting to character string searching means 102 for searching for a specified character string. The voice signal of the user input from the microphone 116 is subjected to voice recognition by the voice recognition unit 115.
The voice recognition unit 115 uses an initial recognition word table 103 in which a plurality of recognition words and search words are stored in association with each other in advance, and / or a user recognition word table 105 set by the user recognition word setting unit 104. The voice recognition is executed, and the recognized result is input to the search logic setting unit 110. Search logic setting means 110 sets an actual search word from the result of speech recognition. The user recognition word setting means 104 allows the user to set a recognition word unique to the user in the recognition word table.

The current location search word setting means 107 sets a search word related to the current location based on the input from the current location estimation means 106 for estimating the current location of the vehicle. Further, the destination search word setting means 109 sets a search word relating to the destination based on the input from the destination setting means 108 for setting the destination of the vehicle. The character string search means 102 includes a search logic setting means 110
A character string is searched based on the search word set by. The character information display means 111 displays character information from which the search term has been searched.

The voice synthesizing means 113 converts the character information from which the search term has been searched into voice, and notifies the user via voice via the speaker 114. When the vehicle is traveling, the traveling determination unit 112 that determines whether the vehicle is traveling or stopped can output the searched character information to the speech synthesis unit 113.

FIG. 2 is a conceptual diagram of the initial recognition word table 103. In the initial recognition word table 103, names of prefectures, expressways, types of information, etc., which are frequently used, are registered. In FIG. 2, “recognized word” is a vocabulary serving as a dictionary when performing voice recognition, and “search word” is a character string searched from character information based on the result of voice recognition. .

The recognition word and the search word are stored in association with each other. It is also possible to provide a plurality of search words for one recognition word, and define a search logic of a logical sum (hereinafter indicated by |) and a logical product (hereinafter indicated by &).

The "current location search word" and the "destination search word" shown in FIG.
7 and a search word set by the destination setting means 109,
In the present embodiment, it is assumed that the corresponding prefecture name is set.

(First Embodiment) Next, the operation of the first embodiment of the present invention will be described. Here, a description will be given on the assumption that traffic information of “Tomei Expressway” is acquired from FM teletext broadcasting. First, the user activates the voice recognition means 115. The voice recognition means 115 is provided in the initial recognition word table 103.
The speech recognition process is executed using the recognition word (see FIG. 2) specified in the above as a dictionary.

When the user utters "Tomei Expressway", the voice is recognized by the voice recognition means 115, and "Tomei Kosoku" is obtained as a response in response. Next, referring to the search word for “Tomei Kosoku” from the initial recognition word table 103, a search word (Tomei | Tomei Expressway) is obtained. Therefore, the search logic setting means 110
In, a search logic including a character string of “Tomei” or “Tomei Expressway” is set.

When a character string of "Tomei" or "Tomei Express" can be searched for in the received character information by the character string search means 102, the corresponding information is displayed as a character string by the character information display means 111. . FIG. 4 shows an example of the display screen at that time.

When it is determined that the vehicle is traveling by the travel determining means 112, the corresponding information is converted into a voice by the voice synthesizing means 113 without displaying the character information, and is converted into a voice by the speaker 114. Can be notified. When it is determined that the vehicle is stopped, the voice information can be displayed by the voice synthesizing unit 113 at the same time as displaying the character information, but the voice notification may not be performed.

As described above, according to the present embodiment, the user can easily obtain desired information by specifying a search word relating to the desired information by voice recognition. Further, when the vehicle is traveling, the information is presented by voice without displaying the character information, so that desired information can be obtained without impairing the safety during traveling.

(Second Embodiment) Next, the operation of the second embodiment of the present invention will be described. Here, a description will be given assuming a case where a user-specific recognition word is set in a table and corresponding character information is obtained from FM character multiplex broadcasting.

In this embodiment, the user-recognized word setting table setting means 104 sets an original recognized word and a corresponding search word. For example, a search word “Virgo” is set for a recognition word “Otomeza”.
Here, a plurality of recognition words and search words can be set.

The set recognition word is stored in the user recognition word table 105. FIG. 3 shows a conceptual diagram of the user recognition word table. When the speech recognition means 115 is activated at the stage when the setting of the user recognition word table 105 is completed, the speech recognition means 115 transmits the recognition word (see FIG. 2) defined in the initial recognition word table 103 and the user recognition word table.
Speech recognition processing is executed using the recognition word specified in 105 (see FIG. 3) as a dictionary.

When the user utters "Virgo", the voice is recognized by the voice recognition means 115, and "Otomeza" is obtained as a response. Next, when a search word for “Otomeza” is referenced from the user recognition word table 105, a search word (Virgo) is obtained.

Therefore, in the search logic setting means 110,
A search logic including the character string "Virgo" is set. If the character string search means 102 can search for the character string "Virgo" in the received character information, the character information display means
At 111, the corresponding information is displayed as a character string. FIG. 5 shows an example of the display screen at that time.

According to the present embodiment as described above, desired information can be easily obtained by setting a user-specific recognition word relating to desired information in a table.

(Third Embodiment) Next, the operation of the third embodiment of the present invention will be described. Here, a description will be given assuming a case where a search word relating to the current location of the vehicle is set, and weather information of the current location is obtained from FM text multiplex broadcasting.

The current position of the vehicle is estimated by the current position estimating means 106. The prefecture where the vehicle is located is specified from the estimated current location, and the name of the prefecture where the vehicle is located is set by the current location search word setting means 107. For example, if the vehicle is located in Kanagawa Prefecture, "Kanagawa" is set.

Next, when the voice recognition means 115 is activated, the voice recognition means 115 recognizes the recognition word specified in the initial recognition word table 103 (see FIG. 2) and the recognition word specified in the user recognition word table 105 (see FIG. 2). 3) is used as a dictionary for speech recognition processing.

When the user utters "Today's weather", the voice is recognized by the voice recognition means 115, and "Kyotenoki" is obtained as a response. Next, when a search word for “Kyotenoki” is referenced from the recognition word table 103, (“current location search word”) & (tenki | weather | Weat)
Her) is obtained. Here, since the "current location search word" is defined as "Kanagawa" by the current location search word setting means 107, a search word of (Kanagawa) & (Tenki | Weather | Weather) is obtained. Finally, the search logic setting means 110 includes the character string “Kanagawa” and “tenki” or “weather” or “We
A search logic is set to include the character string "other".

When a corresponding character string is found in the received character information by the character string search means 102, the corresponding information is displayed as a character string by the character information display means 111. FIG. 6 shows an example of the display screen at that time.

According to the present embodiment, as described above, since the search term relating to the current location is used as a search condition, information relating to the current location can be easily obtained.

(Fourth Embodiment) Next, the operation of the fourth embodiment of the present invention will be described. Here, a description will be given on the assumption that a search word relating to the destination of the vehicle is set and traffic information near the destination is obtained from FM multiplex broadcasting.

The destination setting means 108 sets the destination of the vehicle. The prefecture is specified from the set destination, and the destination search word setting means 109 sets the name of the prefecture of the destination. For example, if your destination is Nagano,
"Nagano" is set.

Next, when the speech recognition means 115 is activated, the speech recognition means 115 recognizes the recognition word (see FIG. 2) defined in the initial recognition word table 103 and the recognition word defined in the user recognition word table 105 (see FIG. 2). 3) is used as a dictionary for speech recognition processing.

When the user utters "traffic information of the destination", the voice is recognized by the voice recognition means 115, and "mokutechininoutsuhouhou" is obtained as a response. Next, a search word for the recognition result is recognized in the recognition word table 103.
If you refer to this from ((Destination search word)) & (Koutsu |
You can get the search word Here, since the "destination search word" is defined as "Nagano" by the destination search word setting means 109, the search word (Nagano) & (Koutu | Kousoku) is obtained. Finally, the search logic setting means 110 includes the character string “Nagano” and
The search logic is set to include the character string "KOU" or "KOU".

When a corresponding character string can be searched for in the received character information by the character string search means 102, the corresponding information is displayed as a character string by the character information display means 111. FIG. 7 shows an example of the display screen at that time.

As described above, according to the present embodiment, information on the destination can be easily obtained because the search word on the destination is used as a search condition.

In the first to fourth embodiments, if a search term cannot be found in the received character information, a message to the effect that the corresponding information has not been received is presented to the user. Shall be.

In the third embodiment, a current location search word is set, and in the fourth embodiment, a destination search word is set.
In the above example, the name of a prefecture is set as a search word, but it is also possible to set the name of a city, town, village or the like, large or small letters, or a generic name of a region.

Further, in each of the above-described embodiments, reception of FM multiplex teletext is described as an example. However, the present invention can be applied to text information obtained through teletext multiplex broadcasting or Internet-type communication.

[0054]

As is clear from the description of the above embodiment, according to the present invention, a search word is specified by speech recognition, and information in which the search word can be searched is selected from the received character information, and the user is provided with the information. Since the information is presented, complicated key operations can be omitted, and desired information can be easily obtained.

Also, by using the default recognition word table, the user can use it without prior registration, and by using the user's own recognition word table, it is possible to easily obtain the information that the user wants uniquely. it can.

Further, since a search term relating to the current location or the destination is used as a search condition, information on the vicinity of the user and information on where to go can be easily obtained.

Further, by converting the character information into voice and presenting it by the voice synthesizing means, desired information can be obtained without impairing the safety during traveling.

[Brief description of the drawings]

FIG. 1 is a block diagram showing the configuration of an in-vehicle information terminal device of the present invention.

FIG. 2 is a conceptual diagram of an initial recognition word table in each embodiment of the present invention.

FIG. 3 is a conceptual diagram of a user recognition word table in each embodiment of the present invention.

FIG. 4 is a diagram showing an example of a post-search screen according to the first embodiment of the present invention.

FIG. 5 is a diagram showing an example of a post-search screen according to the second embodiment of the present invention.

FIG. 6 is a diagram illustrating an example of a post-search screen according to the third embodiment of the present invention.

FIG. 7 is a diagram showing an example of a post-search screen according to a fourth embodiment of the present invention.

FIG. 8 is a block diagram showing a configuration of a conventional in-vehicle information terminal device.

FIG. 9 is a diagram showing an example of a display screen in the configuration of a conventional in-vehicle information terminal device.

[Explanation of symbols]

 101 Character information receiving means 102 Character string search means 103 Initial recognition word table 104 User recognition word table setting means 105 User recognition word table 106 Current location estimation means 107 Current location search word setting means 108 Destination setting means 109 Destination search word setting means 110 Search logic setting means 111 Character information display means 112 Driving judgment means 113 Voice synthesis means 114 Speaker

Claims (9)

[Claims] 1. A character string search means for searching for a search word consisting of a specific character string from received character information, a voice recognition means for recognizing a speaker's voice, and a recognition word serving as a voice recognition dictionary. A recognition word table storing search words for searching for character strings in association with each other, and searching for a search word corresponding to the recognition word recognized by the voice recognition means from the received character information; A vehicle-mounted information terminal device that selects and presents character information that has been searched. 2. The in-vehicle information terminal device according to claim 1, wherein a recognition word table configured by associating the recognition word with the search word is preset as an initial setting. 3. A user recognition word table setting means is provided,
2. A function for allowing a user to set a recognition word table including at least one of a unique recognition word and a search word different from the initial setting.
The in-vehicle information terminal device according to the above. 4. The in-vehicle information terminal according to claim 1, further comprising a function of registering a plurality of search words in association with one recognition word, and defining a search logic for each of the search words. apparatus. 5. A current position estimating means for estimating a place where a vehicle is located, and a current position search word setting means for setting a search word related to the current position estimated by the current position estimating means, wherein the current position search word setting means 2. The in-vehicle information terminal device according to claim 1, further comprising a function of using a set search word related to the current location as a search condition. 6. A destination search device comprising: destination setting means for setting a destination of a vehicle; and destination search word setting means for setting a search word related to the destination set by the destination setting means. 2. The in-vehicle information terminal device according to claim 1, further comprising a function of using a search term relating to the destination set by the word setting means as a search condition. 7. The on-vehicle vehicle according to claim 1, further comprising a voice synthesizing unit for converting the character information into a voice, and a function of converting the character information to be presented by the voice synthesizing unit into a voice and presenting the voice. Information terminal device. 8. A voice synthesizing means for converting character information into a voice, and a running determining means for determining whether the vehicle is running or stopped, and when it is determined that the vehicle is running, a corresponding condition is provided. 2. The in-vehicle information terminal device according to claim 1, further comprising a function of converting information into a voice by the voice synthesizing unit and presenting the voice. 9. The in-vehicle information terminal device according to claim 1, wherein the on-vehicle information terminal device has two or more functions described in any one of claims 2 to 8.