JP4428324B2 - In-vehicle information provider - Google Patents

Description

  The present invention relates to an in-vehicle information providing apparatus that is mounted on a vehicle and provides various types of information.

  Conventionally, a vehicle state detection unit for detecting vehicle information, a consciousness level detection unit for detecting driver consciousness information, a driving information detection unit for detecting driving information, and a will for detecting driver intention information An information detection unit is provided, the driver's preference tendency is analyzed based on the information detected by each of these detection units, music that matches the driver's preference is selected based on the analysis result, and the selected music is selected by the driver (For example, refer to Patent Document 1).

In this device, the driver's preference is analyzed based on the driver's operation and the like, and a song that matches the driver's preference is selected and provided. For example, if the volume is increased during music playback by the driver, it is analyzed that the song matches the driver's preference, and if the volume is reduced during music playback by the driver, the driver's preference. It is analyzed that the music is not suitable, and music that matches the driver's preference is selected based on the analysis result.
JP 2002-114107 A

  However, since the device described in Patent Document 1 simply detects the driver's will based on the operation of the operation unit by the driver, and selects and provides a song that matches the user's preference, it does not necessarily match the user's preference. Information is not always provided.

  The present invention has been made in view of the above problems, and an object thereof is to provide information more suited to the user's preference.

To achieve the above object, the present invention obtains information that matches the user's preference from the operation contents by the User chromatography THE, and additionally stores the acquired information matching the user's preference and the user preference information storage unit user The user's preference and the vehicle's running based on the learned user's preference and the vehicle's running situation. It is characterized in that information suitable for the situation is selected for a plurality of information sources, a time table constituting the contents to be provided while the vehicle is running is generated, and the information is provided according to the generated program.

As described above, the information that matches the user's preference is acquired from the operation content by the user, the information that matches the acquired user's preference is additionally stored in the user preference information storage means , and the user's preference is learned. Obtain information related to traveling, identify the situation during traveling of the vehicle, and based on the learned user preference and the situation during traveling of the vehicle, a plurality of pieces of information suitable for the user's preference and the situation during traveling of the vehicle The information source is selected as a target, a time table that constitutes the content to be provided while the vehicle is traveling is generated, and the information is provided according to the generated time table. Therefore, information that suits the user's preference can be provided. .

  FIG. 1 shows the overall configuration of an in-vehicle information providing apparatus according to an embodiment of the present invention. The in-vehicle information providing apparatus is configured using the navigation apparatus 1. The navigation device 1 includes a position detection unit 11, an operation switch group 17, a TV tuner 18, an FM / AM tuner 19, a CD drive 20, a DVD drive 21, an MD drive 22, an external audio interface 23, a control circuit 24, and an internal storage medium 25. , A display unit 26, an audio output unit 27, an external information input / output unit 28 and a remote control sensor 29.

  The position detector 11 has sensors such as a well-known geomagnetic sensor 12, a gyroscope 13, a distance sensor 14, and a GPS receiver 15, and specifies the current position based on the properties of each of these sensors. Is output to the control circuit 24.

  The operation switch group 17 includes a plurality of mechanical switches provided around the display screen of the display unit 26 and an input device such as a touch panel provided so as to overlap the display screen of the display unit 26. A signal corresponding to the touch on the touch panel is output to the control circuit 24.

  The TV tuner 18 receives radio waves from the TV broadcast station in response to a control signal from the control circuit 24 and outputs a video signal and an audio signal to the control circuit 24.

  The FM / AM tuner 19 receives radio waves from the FM radio or AM radio broadcasting station according to the control signal from the control circuit 24, and outputs an audio signal to the control circuit 24.

  Based on the control from the control circuit 24, the CD drive 20, the DVD drive 21, and the MD drive 22 read out music and music information stored in a medium such as a CD, DVD, MD, etc., and output them to the control circuit 24. Each of these drives 20 to 22 has a sensor that outputs a detection signal to the control circuit 24 when it detects insertion of each medium such as a CD, a DVD, and an MD.

  The external audio interface 23 has a connection terminal for connecting to a portable audio terminal (not shown) via a cable, and inputs / outputs various data to / from the portable audio terminal via the connection terminal.

  The internal storage medium 25 is configured by a large-capacity nonvolatile storage medium such as an HDD (Hard Disk Drive). The internal storage medium 25 includes a program to be executed by the control circuit 24, map data for map display, a destination, a travel route to the destination, an estimated travel time to reach the destination, music, and music. Information such as information, user preference information, and behavior pattern information is stored.

  The display unit 26 has a display screen made of liquid crystal or the like, and displays a video corresponding to the video signal input from the control circuit 24 on the display screen.

  The audio output unit 27 includes a speaker, and outputs sound corresponding to the audio signal input from the control circuit 24 from the speaker.

  The external information input / output unit 28 is, for example, for acquiring various external information provided from an infrastructure network such as VICS or a network such as the Internet and transmitting information to a communication device connected to the network. . The external information acquired via the external information input / output unit 28 includes, for example, weather information (weather forecast, warning, warning information, etc.), traffic information (closed information, traffic jam information), music program, news, live relay and so on. External information acquired from a network such as the Internet can be acquired in various formats such as a streaming format and a download format.

  The remote control sensor 29 outputs a signal received from the remote control 29 a that transmits a radio signal using infrared rays or the like based on a user operation to the control circuit 24.

  The control circuit 24 is configured by a computer including a memory, a CPU, and the like, and performs various processes according to a program stored in the internal storage medium 25.

  The internal storage medium 25 of the navigation device 1 in this embodiment stores tens of thousands of titles and music information (album name, track name, artist name, genre, etc.) of these songs at the time of product shipment.

  The user can listen to the music stored in the internal storage medium 25 free of charge up to a predetermined number of times (for example, 3 times). If the user likes the sampled music, the user performs a purchase operation. This makes it possible to purchase music and listen to it again and again.

  In addition, the navigation device 1 has a function of automatically copying the reproduced music to the internal storage medium 25 when the music stored in a medium such as a CD, DVD, or MD inserted in each of the drives 20 to 22 is reproduced. ing. With this function, the music copied to the internal storage medium 25 can be selected and reproduced from the next time without performing the operation of inserting a medium such as a CD, DVD, or MD.

  Moreover, the navigation apparatus 1 in this embodiment inputs user basic information related to the user in a questionnaire format. Examples of information input as basic user information include user attributes such as the user's name, date of birth, gender, blood type, current address, birthplace, educational background, occupation, job title, work location, and days off (day of the week). Information, user's favorite color, favorite sound, favorite smell, favorite color, favorite music artist, favorite music genre, favorite book, favorite writer, favorite book genre, favorite TV / radio program, There is user preference information such as daily average television viewing time, daily average radio listening time, favorite food, and fashion sensitivity.

  As shown in FIG. 2, the internal storage medium 25 is provided with a user information storage area C that stores behavior pattern information A including a schedule and a travel history and user preference information B that matches the user's preference. When the user basic information is input by the user, an initial template is generated based on the input information and stored in the user preference information B. This template is generated for each user.

  When the navigation device 1 in the present embodiment detects various operations such as a music selection operation, a music purchase operation, and a media insertion operation in which music is stored, the navigation apparatus 1 acquires information that matches the user's preference from the user's operation content. In addition, a learning function for learning the user's preference by additionally storing the user preference information stored in the internal storage medium 25 is provided. A program that matches the user's preference learned by this learning function is generated, and information that matches the user's preference is provided according to the generated program.

  Next, the user preference learning function by the control circuit 24 will be described with reference to FIG. When power is supplied from the battery via the ignition switch, the control circuit 24 calculates the current position of the vehicle based on the information for specifying the current position input from the position detection unit 11. Start processing. The control circuit 24 repeatedly performs the process shown in FIG. 3 in parallel with these processes.

  First, user operation detection is performed based on a signal input from the operation switch group 17 or the remote control sensor 29. Specifically, a user operation on any of the TV tuner 18, FM / AM tuner 19, CD drive 20, DVD drive 21, MD drive 22, external audio interface 23, internal storage medium 25, and external information input / output unit 28. Is detected (S100).

  Here, when a user operation is detected, operation information is acquired (S102). Specifically, operation information indicating the operation contents for the TV tuner 18, FM / AM tuner 19, CD drive 20, DVD drive 21, MD drive 22, external audio interface 23, internal storage medium 25, and external information input / output unit 28. To get.

  Next, an operation target is determined based on the acquired operation information (S104). Specifically, whether the operation target is a CD drive 20, DVD drive 21, MD drive 22, portable audio terminal connected to the external audio interface 23, music reproduction for the internal storage medium 25, or an external information input / output unit 28, whether it is for the TV tuner 18 or FM / AM tuner 19.

  If it is determined that the operation target is for the CD drive 20, the DVD drive 21, the MD drive 22, the portable audio terminal connected to the external audio interface 23, or the internal storage medium 25, Obtain (S106). Specifically, the music information (album name, track name, artist name, genre, etc.) of the music selected by the user is acquired from the medium storing the music selected by the user or the internal storage medium 25.

  If it is determined that the operation target is for the external information input / output unit 28, then external information is acquired (S108). Specifically, the external information specified by the user's operation is acquired from the external information (weather information, traffic information, music program, news, live broadcast, etc.) that can be received by the external information input / output unit 28. As external information acquired from a network such as the Internet, for example, a URL (Universal Reference Locator) of a website on the Internet specified by a user operation, text data included in the website, and the like are acquired.

  If it is determined that the operation target is any one of the TV tuner 18 and the FM / AM tuner 19, then TV / radio program information is acquired (S110). Specifically, program information (reception channel, broadcast start time, broadcast end time, etc.) selected by the user from programs receivable by the TV tuner 18 or the FM / AM tuner 19 is acquired, and the process proceeds to S112.

  In S <b> 114, music purchase detection is performed based on a signal input from the user operation switch group 17 or the remote control sensor 29. Specifically, the music purchase operation is detected based on whether or not a purchase operation for acquiring a license key for viewing music from a center connected to the network via the external information input / output unit 28 has been performed.

  Here, if an operation for purchasing music is detected, then the music information for which the purchase operation has been performed is acquired (S116). Specifically, the music information (album name, track name, artist name, genre, etc.) of the music that has been purchased based on the purchase operation is acquired, and the process proceeds to S112.

  In S118, when a user inserts media into any of the CD drive 20, DVD drive 21, and MD drive 22, the user performs CD insertion based on the media insertion detection signal output from each of the drives 20-22. Detection of media insertion into the drive 20, DVD drive 21, and MD drive 22 is performed.

  Here, if it is detected that the user inserts media into any of the CD drive 20, DVD drive 21, and MD drive 22, then the music information (album name, track name) of the music stored in the inserted medium is detected. , Artist name, genre, etc.) are acquired (S120), and the process proceeds to S112.

  In S112, information that matches the user's preference acquired in S106, S108, S110, S116, and S120 is additionally stored in the user preference information stored in the internal storage medium 25 to learn the user's preference. That is, music information (album name, track name, artist name, genre, etc.) of music selected by the user's music selection operation, external information (weather information, traffic information, music program, news, live, etc.) specified by the user's operation Relay, etc.), TV / radio program selected by user operation, music information of music purchased by user purchase operation, music information stored in media inserted by user media insertion operation, respectively, The user preference information is additionally stored in the user preference information as information suitable for the user's preference, the user's preference is learned, and the process is terminated.

  With such a learning function, the initial template stored in the internal storage medium 25 is updated as needed by the template update process shown in FIG.

  First, basic user information related to a user input by a user operation is acquired (S150), and then an initial template is generated based on the acquired basic user information (S152).

  Next, information suitable for the user's preference is acquired (S154). Specifically, the various information acquired in S106, S108, S110, S116, and S120 in FIG. 3 is acquired as information that matches the user's preference (S154).

  Next, the template is updated by additionally storing information that matches the acquired user preference in the user preference information (S156), and the process returns to S154. In this way, S154 to S156 are repeated, and the template is updated as needed.

  Next, the program generation processing by the control circuit 24 will be described with reference to FIG. An input screen for user authentication (for example, a name and password input screen) is displayed on the display screen according to the user's operation, and user authentication is performed based on information input by the user's operation according to this display screen. When the user is authenticated by this user authentication, the control circuit 24 starts the program generation process shown in FIG.

  First, a scene determination process for recognizing the situation around the vehicle is performed (S200). FIG. 6 shows an example of a flowchart of the scene determination process.

  In this scene determination process, date information is first acquired (S210). Specifically, the date, hour, minute, second, and day of the week are acquired with reference to the internal calendar.

  Next, weather information is acquired (S212). Specifically, weather information is acquired via the external information input / output unit 28.

  Next, information on the travel environment is acquired (S214). Specifically, information related to the travel environment such as traffic information (passage information, traffic jam information) acquired via the external information input / output unit 28 and the number of lanes on the travel road is acquired based on the current position and map data.

  Next, traveling information is acquired (S216). Specifically, when the destination input by the user's operation and the travel route to the destination are set, the travel information such as the travel route and the estimated travel time until arrival at the destination is internally stored. Obtained from the medium 25.

  Next, the action pattern information A stored in the user information storage area C is acquired (S218). Specifically, a schedule and past travel history are acquired from the behavior pattern information A.

  Next, scene determination is performed (S220). Specifically, it is determined whether it is a weekday or a holiday based on the acquired date information (S221), the weather (sunny, cloudy, rain, etc.) is determined based on the acquired weather information, and the travel environment information Based on the travel information (S223), the destination is determined based on the acquired travel information (S224), and the travel route is a highway based on the acquired travel information and the current position. It is determined whether or not (S225).

  Next, a situation (scene) is determined by these determinations S221 to S225 (S230). In the example shown in FIG. 6, a situation (scene) such as “Weekday commuting on a sunny day. The commuting road is congested and currently driving on a highway.” Is determined.

  Returning to the description of FIG. 5, in S300, user preference information is acquired from the internal storage medium 25. This user preference information reflects information suitable for the user's preference from the contents of various operations by the user.

  Next, a time table (program) is generated based on the user preference information and the scene determination (S400). Specifically, using a stochastic network model such as a Bayesian network model, the user's preference information learned based on the user's operation content and the situation (scene) determined by the scene determination process as described above are used. Predict music and programs suitable for the taste and situation (scene), and make the user's taste from each information source such as FM radio, AM radio, TV, CD drive, DVD drive, MD drive, portable audio terminal, HDD audio, etc. Create a timetable by selecting matching music and programs. A technique for reflecting user preferences in various information using a Bayesian network model is known (see, for example, JP-A-2004-355075).

  FIG. 7 shows an example of a time table generated based on user preference information and scene determination. As shown in the figure, the traffic information periodically notified, the music of the user's favorite artist stored in the HDD (JPOP), the headline news, the music of the user's favorite genre stored in the HDD (latest JPOP ), Time information including regularly reported traffic information, pinpoint weather information of points registered in advance, and music (rock) of the user's favorite genre stored in the HDD is generated. Yes.

  Next, program reproduction is performed according to the generated time table (S402). Specifically, music and programs are acquired and provided from information sources such as FM radio, AM radio, television, CD drive, DVD drive, MD drive, HDD audio, etc. according to the generated time table.

  Next, it is determined whether or not there is a scene change. Specifically, it is determined whether there is a change in the situation (scene) determined in the scene determination process (S404).

  If it is determined that there is a scene change, the determination in S404 is YES, and the process returns to S200. If it is determined that there is no scene change, the determination in S404 is NO, and user preference information is acquired, and it is determined whether there is a change by comparing previously acquired user preference information (S406). .

  If it is determined that there is a change, the determination in S406 is YES, and the process returns to S200. If it is determined that there is no change, the determination in S406 is NO, and then it is determined whether or not the program has ended based on whether or not the provision of all program contents has ended according to the time table ( S408).

  Here, if the provision of all program contents has not been completed, the determination in S408 is NO, and the process returns to S402. If all program contents have been provided, the determination in S418 is YES, and the process returns to S200.

  According to the configuration described above, information that matches the user's preference is acquired from the operation contents by the user (S106, S108, S110, S116, S120), and the acquired information that matches the user's preference is stored in the internal storage medium 25. Since the user's preference is learned by storing in the user preference information, the information more suitable for the user's preference can be provided.

The correspondence relationship between the configuration in the above embodiment and the configuration of the claims will be described. The internal storage medium 25 corresponds to the user preference information storage unit, and the processes of S106, S108, S110, S116, and S120 are the user preference. It corresponds to the information acquisition means, the processing in S154 and S156 corresponds to the user preference learning means, the processing in S400 corresponds to the time table generation means, the processing in S402 corresponds to the information providing means, and S100, S114, and S118. The processing corresponds to operation detection means.

  In addition, this invention is not limited to the said embodiment, Based on the meaning of this invention, it can implement with a various form.

  For example, in the above-described embodiment, an example in which the in-vehicle information providing apparatus is configured using the navigation apparatus 1 is shown, but the in-vehicle information providing apparatus may be configured using a personal computer (PC), a portable terminal, or the like.

  In the above embodiment, the music selected by the user's music selection operation, external information specified by the user's operation (weather information, traffic information, music program, news, live broadcast, etc.), selected by the user's operation User preference information by additionally storing, in the user preference information, television / radio programs, music purchased by the user's purchase operation, music stored in the media inserted by the user's media insertion operation, as information that matches the user's preference However, for example, music that has been repeatedly played may be reflected in the user preference information as music that is preferred by the user, and music that has been skipped during playback may be music that is not preferred by the user. Also, music that has been volume-operated to increase the volume during playback may be reflected in the user preference information as music that the user likes, and music that has been volume-operated to decrease the volume during playback may be reflected in the user preference information as music that is not user-preferred. Good.

  In the above-described embodiment, an example is shown in which information suitable for the user's preference is acquired from the operation content by the user and reflected in the user preference information. For example, various operations such as a music selection operation by the user, and a purchase operation by the user The media insertion operations may be stored in the internal storage medium 25 as operation histories, purchase histories, and media insertion histories, respectively, and each of these histories may be read out and reflected in the user preference information.

  Further, in the above embodiment, when music purchase operation is detected in S116, music information of the purchased music is acquired, and in S112, the acquired music information of the music is reflected in the user preference information. Although an example of learning the preference has been shown, in S116, seasonal information (spring, summer, autumn, winter) in which the purchase operation is performed is acquired from the time (month and day) when the purchase operation is performed, and in S112 The seasonal information on the purchase operation may be associated with the music information of the music purchased by the purchase operation and stored in the user preference information. For example, when the season of the purchase operation is summer, grouping such as “summer music” is reflected in the user preference information, so that the user preference is met in the summer based on this user preference information. It is possible to provide “summer music”.

  In the above embodiment, when the insertion of the medium storing the music information of the music is detected in S120, the music information of the music stored in the inserted medium is acquired. In S112, the music of the acquired music is acquired. In the example, the user's preference is learned by reflecting the information in the user preference information. However, in S120, the season information in which the media insertion operation has been performed from the time (month / day) when the media insertion operation was further performed. (Spring, Summer, Autumn, Winter) is acquired, and in S112, the music information stored in the media inserted by the media insertion operation is associated with the season information of the media insertion operation and stored in the user preference information. You may let them. By associating the music information of the music stored in the medium inserted in this way with the season information in which the media insertion operation has been performed in association with the user preference information, the user preference information is stored based on the user preference information. It is possible to provide music that suits the taste of people.

  Moreover, although the example which acquires the music information of the music selected by the user's music selection operation in S106 was shown in the said embodiment, user's preference from the search conditions (for example, an artist name, a music title, etc.) searched by the user was shown. May be obtained and reflected in the user preference information.

  In addition to acquiring information that matches the user's preference according to the operation contents of the in-vehicle information providing apparatus by the user, music acquired by an apparatus other than the in-vehicle information providing apparatus (for example, a personal computer at home) by the user's operation, Information such as news and search conditions searched by user operations (for example, artist name, song name, etc.) that meet the user's preferences via a communication or removable storage medium (for example, a memory card) And the acquired information may be reflected in the user's preference information in the internal storage medium 25 of the navigation device 1.

It is a figure which shows the whole structure of the vehicle-mounted information provision apparatus which concerns on this invention. It is explanatory drawing about the action pattern information A and the user preference information B. It is explanatory drawing about the learning function of the user preference by a control circuit. It is a figure which shows the update process of the template by a control circuit. It is a figure which shows the program production | generation process by a control circuit. It is a figure which shows an example of the flowchart of a scene determination process. It is a figure which shows an example of the time table produced | generated by the program production | generation process.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 ... Navigation apparatus, 11 ... Position detection part, 12 ... Geomagnetic sensor,
13 ... Gyroscope, 14 ... Distance sensor, 15 ... GPS receiver,
17 ... Operation switch group, 18 ... TV tuner, 19 ... FM / AM tuner,
20 ... CD drive, 21 ... DVD drive, 22 ... MD drive,
23 ... external audio interface, 24 ... control circuit, 25 ... internal storage medium,
26 ... Display unit, 27 ... Audio output unit, 28 ... External information input / output unit, 29 ... Remote control sensor,
29a: Remote control.

Claims (6)

An in-vehicle information providing apparatus that provides information using a plurality of information input units including a broadcast receiver and a music player as an information source,
And user preference information storage means for storing hot water over The preference information,
User preference information acquisition means for acquiring information suitable for the user's preference from the operation content by the user;
User preference learning means for additionally storing information that matches the user preference acquired by the user preference information acquisition means in the user preference information storage means and learning user preferences;
A situation identifying means for acquiring information relating to the traveling of the vehicle and identifying the situation during the traveling of the vehicle;
Based on the user's preference learned by the user preference learning means and the traveling situation of the vehicle, information suitable for the user's preference and the traveling situation of the vehicle is selected for the plurality of information sources. A time table generating means for generating a time table that constitutes the contents to be provided during the traveling of the vehicle ;
An in-vehicle information providing apparatus comprising: information providing means for providing information according to the time table .   The in-vehicle information providing apparatus according to claim 1, wherein the user preference information acquiring unit acquires music selected by a user's music selection operation as information that matches the user's preference. It has an external information input / output unit that receives external information provided from outside,
The user preference information acquisition means acquires external information selected by the user from the external information that can be received by the external information input / output unit as information that matches the user's preference. The in-vehicle information providing apparatus according to 1 or 2. A TV tuner for receiving TV programs and / or a radio tuner for receiving radio programs;
2. The user preference information acquisition unit acquires a program selected by a user from programs that can be received by the television tuner and / or radio tuner as information suitable for the user's preference. The in-vehicle information providing apparatus according to any one of 1 to 3. A purchase operation detecting means for detecting a user's purchase operation;
The user preference information acquisition unit, when the purchase operation of the music is detected by the purchase operation detection unit, acquires music information of the purchased music as information that matches the user's preference. The in-vehicle information providing apparatus according to any one of Items 1 to 4. Media insertion detection means for detecting the insertion of media storing music information of the music,
The user preference information acquisition means, when the insertion of the media is detected by the media insertion detection means, acquires music information of the music stored in the media as information suitable for the user's preference. The in-vehicle information providing apparatus according to any one of claims 1 to 5.

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