JP6778060B2 - Music selection system, music selection method and music selection program - Google Patents

Description

The present invention relates to a music selection system, a music selection method, and a music selection program for selecting music to be played in a vehicle.

Vehicles such as automobiles may be equipped with an audio system. Then, the driver of the vehicle can enjoy driving more by driving the vehicle while playing his / her favorite music by audio.

On the other hand, a system that supports safe driving of the driver by the sound output from the car audio has also been proposed. For example, in the invention described in Patent Document 1, when a dozing state of a driver is detected, the tempo of music is increased and output to support the maintenance of the awake state of the driver.

Japanese Unexamined Patent Publication No. 2004-254750

By the way, even if the same driver is driving a vehicle of a different model, the music he / she wants to listen to may change depending on the situation in which the vehicle is being driven. However, in the past, since the music was not selected in consideration of the information of both the vehicle and the driver, music that does not suit the situation may be selected.

The present invention has been made in view of the above problems, and an object of the present invention is a music selection system, a music selection method, and a music selection program capable of selecting music to be played in a vehicle according to a standard customized according to a vehicle and a driver. Is to provide.

The object is achieved, according to the music selection system according to the present invention, there is provided a music selection system for selecting the easy songs, personal data acquisition for acquiring a storage unit for storing a plurality of music data, the personal data of the vehicles of the driver and parts, preference information before Symbol music based on the personal data and the vehicle information of the vehicle on the basis of a selection unit for selecting a music data from the storage unit, play music data selected by the selection unit and control Gosuru reproduction control section, when the music data selected by the selection unit is being reproduced, a receiving unit that receives a favorite designation from the driver, and music genre specified by the preference information, wherein The selection unit includes a calculation unit that calculates an evaluation value of each of the plurality of music data based on the number of times of playback for each of the plurality of music data and the designated information of the favorite, and the selection unit is based on the evaluation value. This is solved by selecting music data from the storage unit .

Furthermore, the object is achieved according to the music selection method according to the present invention, there is provided a music selection method a computer to select a song, a personal data acquisition step of the computer to acquire the personal data of a driver of the vehicle, the computer A selection step of selecting music data from a storage unit that stores a plurality of music data based on music preference information based on the personal data and vehicle information of the vehicle, and the computer being selected by the selection step. and re Namasei Gosuru reproduction control step the music data, when the computer music data selected by the selecting step is being reproduced, the reception step of receiving favorite designation from the driver, by the preference information It has a calculation step of calculating an evaluation value of each of the plurality of music data based on the specified music genre, the number of times of playback for each of the plurality of music data, and the designated information of the favorite. In the selection step, the problem is solved by selecting music data from the storage unit based on the evaluation value .

Furthermore, the object is achieved according to the music selection program according to the present invention, there is provided a music selection program for selecting the easy song to the computer, a personal data acquisition step of the computer, acquires the personal data of the vehicles of the driver If, on the basis of the preference information of the music based on the vehicle information of the before and Symbol personal data vehicle, a selection step of selecting music data from the storage unit that stores a plurality of music data, selected by said selecting step is specified, an accepting step of accepting a favorite designation from the driver, by the preference information when a re Namasei Gosuru reproduction control step the music data, the music data selected by the selecting step is reproduced A calculation step of calculating the evaluation value of each of the plurality of music data based on the music genre, the number of times of playback for each of the plurality of music data, and the designated information of the favorite is executed, and in the selection step. , It is solved by selecting music data from the storage unit based on the evaluation value .

According to the above-mentioned music selection system, music selection method, and music selection program, music to be played in a vehicle can be selected according to customized criteria based on information of both the vehicle and the driver. As a result, music suitable for the situation can be played in the vehicle, and the driver's driving can be suitably supported.
Further, by doing so, it is possible to select the music to be played in the car in consideration of the driver's taste for each music.

In the above-described music selection system, inputs from the driver, the position of the vehicle, or comprising a setting unit for setting a selected operating mode on the basis of the date and time information, the storage unit, before Kiraku piece data and storing a table associating the music genre, and a table that associates the characteristics of the musical genres and music genre, the selection unit, based on the setting information of the setting unit, and matching the taste information from the storage unit In addition, music data of a music genre associated with a predetermined characteristic may be selected.
By doing so, music of a music genre having characteristics suitable for the driving situation of the vehicle can be played in the vehicle.

In the above-described music selection system, inputs from the driver, the position of the vehicle, or comprising a setting unit for setting a selected operating mode on the basis of the date and time information, the storage unit, before Kiraku piece data and a table associating the music genre, stores a table that associates the characteristics of the musical genres and music genre, the selection unit may suddenly stop the vehicle, when sudden steering, or the fluctuation has occurred , When music data of a music genre that matches the preference information and is associated with a characteristic that causes arousal action is selected from the storage unit , and the vehicle does not suddenly stop, steer, or wobble. , based on the setting information of the setting unit, and matching the taste information from the storage unit, and may be selected music data of the music genre predetermined characteristic is associated.
By doing so, it is possible to play music of a music genre having characteristics suitable for the driving situation of the vehicle while giving priority to the driving safety of the vehicle.

In the above-described music selection system, the selection unit, when the first operating mode by the setting portion is configured to conform to the preference information from the storage unit, and associates the characteristics resulting uplifting effect Music data of the specified music genre may be selected.
By doing this, when the driver wants to enjoy driving, he / she can support the enjoyment of driving by playing music that excites the driver's favorite mood.

Further, in the music selection system, the selection unit is used from the storage unit when the second operation mode is set by the setting unit and the vehicle is rapidly accelerating or traveling at high speed. consistent with the preference information, and it is also possible to select the music data characteristics resulting in sedation associated musical genre.
By doing this, when the predetermined driving mode is not set and the vehicle is suddenly accelerating or driving at high speed, the sedative music is played to calm the driver's mood. And can support safe driving.

Further, in the above music selection system, the storage unit stores a table associated with the music data and the music genre and a table associated with the music genre and the characteristics of the music genre, and the selection unit stores the table in the vehicle. sudden stop, when sudden steering, or the fluctuation has occurred, consistent with the preference information from the storage unit and also possible to select the music data of the music genre characteristics leading to awakening effect is associated Good.
By doing this, if the running vehicle suddenly stops, steers or wobbles, it is considered that the driver's awakening state is low, so by playing music with awakening effect. , It becomes easier to awaken the driver. As a result, it is possible to support the safe driving of the driver.

In the above-described music selection system, the personal data acquisition unit acquires demographic information of the driver, the preference information is the demonstration information of the music genre associated with the graphic information, the selection unit , Music data may be selected from the storage unit based on the music genre associated with the demographic information.
By doing so, it is possible to select music that is likely to match the driver's taste based on the driver's demographic information.

According to the present invention, music to be played in a vehicle can be selected according to a standard customized according to the vehicle and the driver.

It is a figure which shows the whole system including the music selection system which concerns on this embodiment, and the vehicle which reproduces the music selected by the music selection system. It is a figure which shows the hardware configuration of a music selection system. It is a figure which shows the function provided in the music selection system. It is a figure which shows an example of a music data table. It is a figure which shows an example of a music genre table. It is a figure which shows an example of a demographic information table. It is a figure which shows an example of the vehicle type information table. It is a figure which shows an example of the user music information table. It is a sequence diagram which shows the whole flow of the music reproduction processing. It is a flow chart which shows the flow of a music selection process.

Hereinafter, the music selection system 1 according to the embodiment (the present embodiment) of the present invention will be described with reference to FIGS. 1 to 10. It should be noted that the embodiments described below are examples for facilitating the understanding of the present invention, and do not limit the present invention. That is, the present invention can be modified and improved without deviating from the gist thereof, and it goes without saying that the present invention includes an equivalent thereof.

[1. Overall system]
FIG. 1 shows the entire system including the music selection system 1 and the vehicle C that reproduces the music selected by the music selection system 1. The music selection system 1 is a system for selecting music to be played by the vehicle C driven by the driver D.

As shown in FIG. 1, the vehicle C is equipped with an onboard computer 3 and a speaker 5.
The onboard computer 3 is a computer that acquires various information about the vehicle C. For example, the onboard computer 3 acquires information such as time, date, outside air temperature, acceleration of vehicle C, speed, average fuel consumption, mileage, and vehicle type.
The on-board computer 3 also has a music playback function, and can output sound via a speaker 5 connected to the on-board computer 3.

Further, as shown in FIG. 1, the music selection system 1 includes a music management server 10 and a user terminal 20 that are communicably connected via a network N.

The user terminal 20 is, for example, a portable computer such as a mobile phone, a smartphone, or a tablet terminal, or a car navigation terminal. The user terminal 20 may be held, for example, in a holder installed on the dashboard of the vehicle C.
The user terminal 20 can communicate with the onboard computer 3 by wire or wirelessly. The user terminal 20 can also communicate with the music management server 10 via the network N.
Then, in the present embodiment, the user terminal 20 acquires the information of the driver D and the vehicle information related to the vehicle C (vehicle type information, traveling information of the vehicle C, etc.), and selects music on the music management server 10 based on the acquired information. To request.

The music management server 10 is a music server that manages a plurality of music data and distributes the managed music data to the user terminal 20. Here, the music data is a data file in a predetermined format for playing the music.
In the present embodiment, the music management server 10 communicates with the user terminal 20 via the network N, and receives the information of the driver D and the vehicle information of the vehicle C from the user terminal 20. Then, the music management server 10 selects music data from the music data to be managed based on the information of the driver D and the vehicle information of the vehicle C, and distributes the selected music data to the user terminal 20.

Then, the user terminal 20 receives the music data distributed from the music management server 10 and reproduces the received music data. In the present embodiment, the user terminal 20 outputs music based on music data from the speaker 5 via the onboard computer 3.
Hereinafter, the configuration provided in the music selection system 1 in order to realize the above processing will be described in detail.

[2. Hardware configuration of music selection system 1]
Next, with reference to FIG. 2, hardware configuration examples of the music management server 10 and the user terminal 20 of the music selection system 1 will be described.

[2.1. Configuration of music management server 10]
First, the configuration of the music management server 10 will be described.
As shown in FIG. 2, the music management server 10 includes a control unit 11, a storage unit 12, and a communication unit 13 as a hardware configuration.

The control unit 11 is configured to include, for example, a central processing unit (Central Processing Unit), executes various arithmetic processes based on the programs and data stored in the storage unit 12, and controls each unit of the music management server 10. ..

The storage unit 12 is configured to include, for example, a memory and a magnetic disk device, stores various programs and data, and also functions as a work memory of the control unit 11.

The communication unit 13 has a communication interface such as a network interface card (NIC), and connects to the network N via the communication interface. Then, the communication unit 13 communicates with a device such as the user terminal 20 via the network N.

[2.2. Configuration of user terminal 20]
Next, the configuration of the user terminal 20 will be described.
As shown in FIG. 2, the user terminal 20 includes a control unit 21, a storage unit 22, a communication unit 23, an input unit 24, a display unit 25, an acceleration sensor 26, and a GPS sensor 27.

The control unit 21 includes, for example, a central processing unit (Central Processing Unit), executes various arithmetic processes based on programs and data stored in the storage unit 22, and controls each unit of the user terminal 20.

The storage unit 22 is configured to include, for example, a memory and a magnetic disk device, stores various programs and data, and also functions as a work memory of the control unit 21.

The communication unit 23 has a communication interface such as a network interface card (NIC), and connects to the network N via the communication interface. Then, the communication unit 23 communicates with a device such as the music management server 10 via the network N.
Further, the communication unit 23 communicates with the onboard computer 3 via the communication interface.

The input unit 24 includes an input device such as a touch panel and a microphone, and receives input of operation information from the driver D.
The operation information from the driver D may be input by touch operation on the touch panel or by voice input via a microphone.

The display unit 25 includes a display device such as a liquid crystal display device, and displays a screen based on graphic data generated by the control unit 21.

The acceleration sensor 26 is a device that measures the acceleration of the three axes of XYZ. While the user terminal 20 is fixed to the vehicle C, the acceleration measured by the acceleration sensor 26 can measure the acceleration in the front-rear direction, the left-right direction, and the up-down direction of the vehicle C.

The GPS sensor 27 is a device that receives a GPS signal and measures the position information of the vehicle C based on the received signal.

[3. Functions provided in the music selection system 1]
Next, the functions provided in the music selection system 1 will be described with reference to FIG.
As shown in FIG. 3, the music selection system 1 has, as functions, a data storage unit 100, a personal data acquisition unit 110, a vehicle information acquisition unit 120, an operation mode setting unit 130, a calculation unit 140, a selection unit 150, and a playback control unit. It has 160 and a reception unit 170.

The functions of the above-mentioned parts provided in the music selection system 1 are such that the control unit 11 of the music management server 10 operates each part of the music management server 10 according to the program stored in the storage unit 12, and the control unit 21 of the user terminal 20 operates. It is executed by operating each unit of the user terminal 20 according to the program stored in the storage unit 22.
The program stored in the storage unit 12 may be acquired by the music management server 10 by the communication unit 13 via a communication network such as network N, or the music management server 10 reads the program from the storage medium in which the program is stored. You may get it at.
Further, the program stored in the storage unit 22 may be acquired by the user terminal 20 by the communication unit 23 via a communication network such as network N, or may be read and acquired by the user terminal 20 from the storage medium in which the program is stored. You may do it.
The details of the functions of the above parts will be described below.

[3.1. Data storage unit 100]
The data storage unit 100 is mainly realized by the storage unit 12 of the music management server 10.
The data storage unit 100 stores a plurality of music data that can be distributed to the user terminal 20, and also stores music data and various information related to the driver D. Hereinafter, an example of data stored in the data storage unit 100 will be described.

The data storage unit 100 stores a music data table T1, a music genre table T2, a demographic information table T3, a vehicle type information table T4, and a user music information table T5. The details of each table will be described below.

FIG. 4 shows an example of the music data table T1. As shown in FIG. 4, the music data table T1 stores a music ID, a music name, a music genre (music genre), and a data file (file name) that uniquely identify the music data.

FIG. 5 shows an example of the music genre table T2. The music genre table T2 is a table that stores information on characteristics defined in the music genre.
As shown in FIG. 5, in the music genre table T2, a flag indicating the presence or absence of an uplifting action, a flag indicating the presence or absence of a sedation action, and a flag indicating the presence or absence of an arousal action are stored in association with the (music) genre. ..

The uplifting action is an action that brings an uplifting feeling to the listener of the music, that is, an action that raises the mood of the listener of the music. In the present embodiment, when the flag of the uplifting action is true (T) for the music genre, it means that the music of the music genre has the action of giving an uplifting feeling to the listener, and the above flag is false. In the case of (F), it is shown that the action of giving an uplifting feeling to the listener is not particularly recognized.

The sedative effect is an action that calms the listener of the music, that is, calms the listener of the music. In the present embodiment, when the sedation flag is true (T) for a music genre, it indicates that the music of the music genre has a calming effect on the listener, and the above flag is false. In the case of (F), it is shown that the effect of calming the listener is not particularly recognized.

The awakening action is an action that awakens the listener of the music, that is, awakens the listener of the music. In the present embodiment, when the awakening action flag is true (T) for a music genre, it indicates that the music of the music genre has an action of awakening the listener, and the above flag is false. In the case of (F), it is shown that the action of awakening the listener is not particularly recognized.

In the present embodiment, the presence or absence of the uplifting action, the sedative action, and the arousal action is determined for the music genre, but the presence or absence of each of the above actions may be determined for each musical piece. Further, the action of the music genre is not limited to the above example, and other actions may be defined.

FIG. 6 shows an example of the demographic information table T3. The demographic information table T3 is a table in which music genres preferred by those who belong to the demographic attribute are defined in association with the demographic attribute (demographic attribute). The information in the demographic information table T3 may be generated based on the statistical information.

As shown in FIG. 6, the demographic information table T3 stores favorite music genres in association with age (age) and gender. In the demographic information table T3, weights are set for each music genre.
For example, in the example shown in FIG. 6, "rock" is included in both "male in his twenties" and "male in his thirties", but each weight can be set to a different value for each age group. It is possible to flexibly set the preference of demographic attributes.

FIG. 7 shows an example of the vehicle type information table T4. The vehicle type information table T4 is a table in which the music genre preferred by the purchaser of the vehicle type is determined in association with the vehicle type. The information in the vehicle type information table T4 may be generated based on the statistical information.

As shown in FIG. 7, the vehicle type information table T4 stores a favorite music genre in association with the vehicle type. In the vehicle type information table T4, weights are set for each music genre. In this way, by making it possible to set the weight for the music genre determined for each vehicle type, it is possible to flexibly set the preference of the music genre of the purchaser of the vehicle type.

FIG. 8 shows an example of the user music information table T5. The user music information table T5 is a table that stores information such as music playback information and evaluation for each user (driver D).

As shown in FIG. 8, the user music information table T5 shows the music ID, the number of times the music has been played, the flag indicating whether or not the favorite is specified for the music, and the presence or absence of sudden acceleration or high-speed running of the vehicle during music playback. The flag, the flag indicating the presence or absence of sudden stop, wobbling, or sudden steering of the vehicle during music playback, and the evaluation value of the music are stored in association with each other.
Here, the favorite designation for the music is set based on the information received by the reception unit 170 described later.
Further, the presence or absence of sudden acceleration / high-speed running of the vehicle and sudden stop / wobble / sudden steering is determined based on the information measured by the acceleration sensor 26 and the GPS sensor 27.
Further, the evaluation value of the music is calculated by the calculation unit 140 based on the information of the music genre preferred by the user, the number of times the music is played, and whether or not the favorite is specified, and the details will be described later.

[3.2. Personal data acquisition unit 110]
The personal data acquisition unit 110 is mainly realized by the control unit 21, the storage unit 22, the communication unit 23 and the input unit 24 of the user terminal 20, and the control unit 11, the storage unit 12 and the communication unit 13 of the music management server 10. ..
The personal data acquisition unit 110 acquires the personal data of the driver D of the vehicle C. For example, the personal data may include driver D identification information (user ID, etc.), age, and gender information.
Further, the personal data may include information on the music preference of the driver D (for example, information on the music genre of preference).

Specifically, the function of the personal data acquisition unit 110 is realized by the following processing.
First, when the personal data of the driver D is already stored in the storage unit 22 of the user terminal 20, the control unit 21 of the user terminal 20 stores the personal data stored in the storage unit 22 in the communication unit 23. It is transmitted to the music management server 10 via. The music management server 10 receives and acquires personal data transmitted from the user terminal 20 via the communication unit 13.
When the personal data of the driver D is not stored in the storage unit 22 of the user terminal 20, the input of the personal data is received from the driver D via the input unit 24, and the received personal data is transmitted to the communication unit. It may be transmitted to the music management server 10 via 23.

[3.3. Vehicle information acquisition unit 120]
The vehicle information acquisition unit 120 mainly includes a control unit 21, a storage unit 22, a communication unit 23, an input unit 24, an acceleration sensor 26 and a GPS sensor 27 of the user terminal 20, and a control unit 11 and a storage unit 12 of the music management server 10. And it is realized by the communication unit 13.

The vehicle information acquisition unit 120 acquires the vehicle information of the vehicle C. For example, the vehicle information may include vehicle type information, position information, traveling information indicating a traveling state, and the like of the vehicle C.
The traveling information may be acceleration information and speed information of vehicle C, or as information indicating the occurrence of sudden acceleration, high-speed traveling, sudden stop, sudden steering, and wobbling determined based on the acceleration information and speed information of vehicle C. May be good.

Specifically, the function of the vehicle information acquisition unit 120 is realized by the following processing.
First, when the vehicle type information of the vehicle C can be obtained from the onboard computer 3, the user terminal 20 communicates with the onboard computer 3 via the communication unit 23 to receive the vehicle type information of the vehicle C. Then, the user terminal 20 transmits the vehicle type information of the vehicle C to the music management server 10 via the communication unit 23. The music management server 10 receives and acquires the vehicle type information of the vehicle C transmitted from the user terminal 20 via the communication unit 13.
If the vehicle type information of the vehicle C cannot be obtained from the onboard computer 3, the driver D accepts the input of the vehicle type information of the vehicle C via the input unit 24, and the received vehicle type information is transmitted to the communication unit 23. It may be transmitted to the music management server 10 via the music management server 10.

Further, the user terminal 20 may periodically transmit the position information measured by the GPS sensor 27 to the music management server 10.

Further, the user terminal 20 determines the occurrence of sudden acceleration, sudden stop, wobbling, and sudden steering of the vehicle C based on the acceleration information measured by the acceleration sensor 26, and sudden acceleration, sudden stop, wobbling, and sudden steering occur. If this happens, the event that has occurred and the time thereof may be transmitted to the music management server 10.
Further, when the speed calculated based on the position information measured by the GPS sensor 27 is equal to or higher than the threshold value, the user terminal 20 determines that the vehicle is in a high-speed running state, and notifies the music management server 10 of that fact and the occurrence time. It may be sent.

When the acceleration information and the speed information of the vehicle C are obtained from the onboard computer 3, the information obtained from the onboard computer 3 may be used.

[3.4. Operation mode setting unit 130]
The operation mode setting unit 130 is mainly realized by the control unit 21, the storage unit 22, the communication unit 23 and the input unit 24 of the user terminal 20, and the control unit 11, the storage unit 12 and the communication unit 13 of the music management server 10. ..
The driving mode setting unit 130 sets a predetermined driving mode based on the input from the driver D, the position information of the vehicle C, or the date and time information. In the present embodiment, the driving modes include a normal mode (normal driving mode, a second driving mode) that emphasizes support for safe driving, and a fan drive mode (first mode) that allows the enjoyment of driving while supporting safe driving. It is assumed that there are two operation modes). Then, in the initial state, the normal mode is set, and the fan drive mode is set based on the input from the driver D, the position information of the vehicle C, or the date and time information.

Specifically, the operation mode setting unit 130 sets the operation mode to the fan drive mode when the fan drive mode setting operation is input from the driver D. Further, the driving mode setting unit 130 may set the driving mode to the fan drive mode when the position information of the vehicle C is within a predetermined area (for example, a highway, a circuit field, etc.). Further, the operation mode setting unit 130 may set the operation mode to the fan drive mode when the date and time information is in a predetermined time zone on Saturdays, Sundays, and holidays, for example.

In the present embodiment, the user terminal 20 sets the above operation mode, and notifies the music management server 10 of the set operation mode.

[3.5. Calculation unit 140]
The calculation unit 140 is mainly realized by the control unit 11 and the storage unit 12 of the music management server 10.
The calculation unit 140 is based on the music genre preferred by the driver D, the number of times of playback for each of the plurality of music data that can be distributed by the music management server 10, and the favorite designated information from the driver D, and the plurality of music data. Calculate each evaluation value of.
Hereinafter, the calculation process of the evaluation value of the music data by the calculation unit 140 will be specifically described.

The calculation unit 140 identifies the demographic attribute of the driver D based on the personal data of the driver D acquired by the personal data acquisition unit 110. Then, the calculation unit 140 reads out the corresponding preference genre information (hereinafter, first preference information) from the demographic information table T3 based on the specified demographic attribute. The preference genre information includes information on the music genre and its weight.
In the present embodiment, the first preference information is expressed by a vector having each weight of all music genres as an element. The weight is set to 0 for music genres that are not included in the preference genre information.

Further, the calculation unit 140 identifies the vehicle type of the vehicle C based on the vehicle information of the vehicle C acquired by the vehicle information acquisition unit 120. Then, the calculation unit 140 reads out the corresponding preference genre information (hereinafter, second preference information) from the vehicle model information table T4 based on the specified vehicle model. The second preference information is also expressed by the same vector as the first preference information.

Next, the calculation unit 140 generates preference information based on the first preference information and the second preference information. Specifically, preference information is generated by adding the vectors of the first preference information and the second preference information.

Next, the calculation unit 140 calculates the evaluation value V for each music ID stored in the music data table T1 by the following formula (1).
Equation (1): V = a, W + b, P + c, Q
Note that a, b, and c are predetermined coefficients, W is the weight of the music genre of the music in the preference information, and P is the number of times the music has been played. Then, Q is set to 1 when there is a favorite designation for the music, and 0 when there is no favorite designation. The above P and Q are set based on the information in the user music information table T5.

[3.6. Selection unit 150]
The selection unit 150 is mainly realized by the control unit 11 and the storage unit 12 of the music management server 10.
The selection unit 150 selects music data to be reproduced from the data storage unit 100 according to the preference information of the music of the driver D based on the personal data and the vehicle information.
Hereinafter, the music selection process by the selection unit 150 will be described separately for each case.

First, the selection unit when the operation mode set by the operation mode setting unit 130 is the normal mode and the vehicle C does not experience sudden acceleration, high-speed running, sudden stop, sudden steering, or wobbling. The music selection process according to 150 will be described.
In this case, the selection unit 150 selects a music to be played based on the evaluation value calculated by the calculation unit 140 from the music stored in the user music information table T5. At this time, the larger the evaluation value of the music, the easier it is to be selected. Specifically, each song is given a unique number as many as the evaluation value, and the selection unit 150 determines the song to be played based on the winning number randomly selected from all the numbers. Good.

Next, when the operation mode set by the operation mode setting unit 130 is the normal mode, the music selection process by the selection unit 150 when the vehicle C is suddenly accelerated or running at high speed will be described.
In this case, the selection unit 150 selects the music data of the music genre having the characteristic of sedating from the music data matching the preference information of the driver D.
Specifically, the selection unit 150 extracts a music genre having a true sedative effect (T) in the music genre table T2 from the music stored in the user music information table T5. Here, the selection unit 150 refers to a music whose sedation action is true (T) in the music genre table T2 but whose uplifting action is true (T) in the music genre table T2 or the user music information table T5. May be excluded from the above extraction results.
Then, the selection unit 150 selects a music to be reproduced based on the evaluation value calculated by the calculation unit 140 from the extracted music. The process of selecting the music to be played may be the same as described above.

Next, when the operation mode set by the operation mode setting unit 130 is the fan drive mode, the music selection process by the selection unit 150 will be described.
In this case, the selection unit 150 selects music data of a music genre having characteristics that bring about an uplifting effect, from among the music data that matches the preference information of the driver D.
Specifically, the selection unit 150 extracts a music genre whose uplifting action is true (T) in the music genre table T2 from the music stored in the user music information table T5. Here, the selection unit 150 refers to a music having a sedation effect (T) in the music genre table T2 or the user music information table T5 even if the music has an uplifting effect (T) in the music genre table T2. May be excluded from the above extraction results.
Then, the selection unit 150 selects a music to be reproduced based on the evaluation value calculated by the calculation unit 140 from the extracted music. The process of selecting the music to be played may be the same as described above.

Next, a music selection process by the selection unit 150 when a sudden stop, a sudden steering wheel, or a wobble occurs in the vehicle C will be described.
In this case, the selection unit 150 selects the music data of the music genre having the characteristic of causing the arousal action from the music data matching the preference information of the driver D.
Specifically, the selection unit 150 extracts a music genre whose arousal action is true (T) in the music genre table T2 from the music stored in the user music information table T5. Here, the selection unit 150 refers to a music having a sedation effect (T) in the music genre table T2 or the user music information table T5 even if the music has a wakefulness effect (T) in the music genre table T2. May be excluded from the above extraction results.
Then, the selection unit 150 selects a music to be reproduced based on the evaluation value calculated by the calculation unit 140 from the extracted music. The process of selecting the music to be played may be the same as described above.

[3.7. Playback control unit 160]
The reproduction control unit 160 is mainly realized by the control unit 21, the storage unit 22, and the communication unit 23 of the user terminal 20, and the control unit 11, the storage unit 12, and the communication unit 13 of the music management server 10.
The reproduction control unit 160 controls the reproduction of the music data selected by the selection unit 150.

Specifically, the function of the reproduction control unit 160 is realized by the following processing.
First, the control unit 11 of the music management server 10 refers to the music data table T1 and acquires the data file of the music data selected by the selection unit 150 from the storage unit 12. Then, the control unit 11 of the music management server 10 transmits the acquired music data to the user terminal 20 via the communication unit 13.
The user terminal 20 receives music data transmitted from the music management server 10 via the communication unit 23, and reproduces the received music data. The music data is reproduced by transmitting the music data or the waveform data of the sound generated from the music data to the onboard computer 3 so that the reproduced sound of the music data is output from the speaker 5.

Further, the reproduction control unit 160 adds 1 to the number of times the music is reproduced in the user music information table T5 and records the music when the music is reproduced.

[3.8. Reception 170]
The reception unit 170 is mainly realized by the control unit 21, the storage unit 22, the communication unit 23 and the input unit 24 of the user terminal 20, and the control unit 11, the storage unit 12 and the communication unit 13 of the music management server 10.
The reception unit 170 receives a favorite designation from the driver D while the music data selected by the selection unit 150 is being played back.

Specifically, the function of the reception unit 170 is realized by the following processing.
When the control unit 21 of the user terminal 20 receives a favorite designation operation from the driver D via the input unit 24 during music playback, the control unit 21 requests the music management server 10 to specify the favorite of the music being played.
When the music management server 10 receives a music favorite designation request from the user terminal 20 via the communication unit 13, the music management server 10 updates the favorite music designation flag of the requested music to true (T) in the user music information table T5.

The reception unit 170 may accept the cancellation of the favorite designation of the music. Even in this case, the user terminal 20 requests the music management server 10 to cancel the designation of the favorite of the music. The music management server 10 updates the favorite designation flag of the user music information table T5 to false (F) for the music related to the cancellation of the favorite designation.

[4. Processing executed by the music selection system 1]
Next, the flow of processing executed in the music selection system 1 will be specifically described with reference to FIGS. 9 and 10.
FIG. 9 shows the overall flow of the processing executed by the music selection system 1, and FIG. 10 shows the flow of the music selection processing executed by the music management server 10.
First, the driver D starts the operation of the user terminal 20 while the vehicle C is stopped.

As shown in FIG. 9, the control unit 21 of the user terminal 20 establishes communication with the onboard computer 3 mounted on the vehicle C via the communication unit 23 (S200).

Next, the control unit 21 of the user terminal 20 uses the vehicle type of the vehicle C based on the information acquired from the onboard computer 3 via the communication unit 23 or the information input from the driver D via the input unit 24. Acquire information (S202).

Further, the control unit 21 of the user terminal 20 reads out and acquires the personal data (for example, the user ID, age, and gender) of the driver D stored in the storage unit 22 (S204). If the personal data of the driver D is not stored in the storage unit 22, the input of the personal data may be accepted from the driver D via the input unit 24.

Next, the control unit 21 of the user terminal 20 sets the operation mode based on the operation mode setting operation received from the driver D via the input unit 24 (S206). By default, the operation mode is set to "normal mode", and when the driver D accepts the setting operation of "fan drive mode", the operation mode is set to "fan drive mode".
The driving mode may be set based on the position of the vehicle C and the date and time information, in addition to the setting operation from the driver D.

Here, assuming that the driver D starts driving the vehicle C, the processing executed thereafter will be described below.

The control unit 21 of the user terminal 20 acquires the acceleration information and the vehicle speed information of the vehicle C based on the measurement information by the acceleration sensor 26 and the GPS sensor 27. Then, the control unit 21 of the user terminal 20 determines the traveling state of the vehicle C based on the acquired acceleration information and vehicle speed information of the vehicle C (S208).

Specifically, the control unit 21 of the user terminal 20 determines whether the vehicle C has sudden acceleration, high-speed running, sudden stop, wobbling, or sudden steering based on the acceleration information and the vehicle speed information of the vehicle C. To do.
For example, whether or not the vehicle C is rapidly accelerating may be determined by whether or not the acceleration of the vehicle C in the traveling direction is equal to or greater than the first threshold value.
Further, whether or not the vehicle C is traveling at high speed may be determined by whether or not the speed of the vehicle C in the traveling direction is equal to or higher than the second threshold value.
Further, whether or not the vehicle C is suddenly stopped may be determined by whether or not the acceleration of the vehicle C in the backward direction is equal to or greater than a third threshold value.
Further, whether or not the vehicle C is swaying may be determined by whether or not the acceleration of the vehicle C in the left direction and the right direction is equal to or higher than the fourth threshold value and the occurrence thereof continues a predetermined number of times. ..
Further, whether or not the sudden steering wheel is generated in the vehicle C may be determined by whether or not the acceleration of the vehicle C in the left-right direction is equal to or higher than the fifth threshold value.

Next, the control unit 21 of the user terminal 20 transmits the vehicle type information of the vehicle C, the personal information of the driver D, and the determination result of the driving state by S208 to the music management server 10 via the communication unit 23. , Requests the music management server 10 to select music based on this information (S210).

The control unit 11 of the music management server 10 receives a music selection request from the user terminal 20 via the communication unit 13 (S100).
Then, the control unit 11 of the user terminal 20 executes the music selection process based on the received information (S102). The details of the music selection process will be described with reference to FIG.

As shown in FIG. 10, the control unit 11 of the music management server 10 is based on the demographic information table T3 and the user music information table T5 specified based on the personal data of the driver D, and the vehicle type information of the vehicle C. The evaluation value of each music is calculated according to the vehicle type information table T4 specified in the above (S120).
The calculation process of the evaluation value of the above-mentioned music is executed by the calculation unit 140.

Next, when the vehicle C suddenly stops, staggers, or suddenly steers (S122: Y), the control unit 11 of the music management server 10 has an awakening action among the music genres preferred by the driver D. Select a certain music genre (S124). Here, the music genre preferred by the driver D is obtained as the logical sum of the music genre specified based on the personal data of the driver D and the music genre specified based on the vehicle type information of the vehicle C. ..
Then, the control unit 11 of the music management server 10 selects a music from the music of the music genre selected in S124 based on the evaluation value calculated in S120 (S126).
The music selection process in S126 is executed by the selection unit 150.

Further, in S122, when the vehicle C does not suddenly stop, wobble, or suddenly handle (S122: N), the control unit 11 of the music management server 10 proceeds to S128.
In S128, when the operation mode is the "fan drive mode (first operation mode)" (S128: fan drive), the control unit 11 of the music management server 10 is among the music genres preferred by the driver D. , Select a music genre that has an uplifting effect (S130).
Then, the control unit 11 of the music management server 10 selects a music from the music of the music genre selected in S130 based on the evaluation value calculated in S120 (S132).
The music selection process in S132 is executed by the selection unit 150.

Further, in S128, when the operation mode is the "normal mode (second operation mode)" (S128: normal), the control unit 11 of the music management server 10 proceeds to S134.
In S134, when sudden acceleration or high-speed running occurs in the vehicle C (S134: Y), the control unit 11 of the music management server 10 has a calming effect among the music genres preferred by the driver D. Select a music genre (S136).
Then, the control unit 11 of the music management server 10 selects a music from the music of the music genre selected in S136 based on the evaluation value calculated in S120 (S138).
The music selection process in S138 is executed by the selection unit 150.

Further, in S134, when the vehicle C does not suddenly accelerate or run at high speed (S134: N), the control unit 11 of the music management server 10 calculates in S120 from the music of all music genres. A music is selected based on the evaluated evaluation value (S140).

Then, after S126, S132, S138 or S140, the control unit 11 of the music management server 10 acquires the data (music data) of the selected music from the data storage unit 100 (S142) and returns.

Here, the description will be continued by returning to the sequence diagram of FIG.
The control unit 11 of the music management server 10 transmits the music data obtained as a result of S102 to the user terminal 20 via the communication unit 13 (S104). Then, the control unit 11 of the music management server 10 updates the user music information table T5 of the driver D by adding 1 to the number of times the transmitted music data is played (S106).

The control unit 21 of the user terminal 20 receives the music data transmitted from the music management server 10 via the communication unit 23 (S212).
Then, the control unit 21 of the user terminal 20 executes the reproduction control of the received music data, and outputs the reproduction sound of the music data from the speaker 5 via the onboard computer 3 (S214).
Here, when the control unit 21 of the user terminal 20 receives a favorite designation for the music being played via the input unit 24 (S216: Y), the music management server 10 is sent to the music management server 10 via the communication unit 23. Request the favorite setting of (S218).

When the control unit 11 of the music management server 10 receives a music favorite setting request from the user terminal 20 via the communication unit 13 (S108), the user music information table T5 of the driver D receives the music data related to the request. Update the favorite flag to true (T) (S110).

Further, the control unit 21 of the user terminal 20 returns to S208 when the processing is not completed (S220: N), and ends with the music management server 10 when the processing is completed (S220: Y). The process is executed (S222, S112), and the process is completed.

In the above sequence, if the vehicle C suddenly accelerates, runs at high speed, stops suddenly, staggers, or steers suddenly while playing music, the user terminal 20 notifies the music management server 10 to that effect. It may be that. In this case, the music management server 10 updates the user music information table T5 based on the content notified from the user terminal 20.

According to the music selection system 1 described above, the music to be played on the vehicle C is based on the music preference information of the driver D specified based on both the vehicle information of the vehicle C and the personal data of the driver D. Can be selected. As a result, the vehicle C can play music suitable for the driver D, and the driving of the driver D can be suitably supported.

Further, according to the music selection system 1, when the vehicle C is rapidly accelerating or traveling at high speed, the driver D can be calmed down by playing music having a sedative effect in the vehicle. it can. Thereby, the safe driving of the driver D can be supported.

Further, according to the music selection system 1, music of a music genre having characteristics suitable for the driving situation of the vehicle C can be selected.

Further, according to the music selection system 1, when the driver D wants to enjoy driving the vehicle C, he / she can support the enjoyment of driving by playing music that excites the driver D's favorite mood. On the other hand, during normal driving, when vehicle C is suddenly accelerating or traveling at high speed, driver D is calmed down and supports safe driving by playing music with a sedative effect. it can.

Further, according to the music selection system 1, when the running vehicle C suddenly stops, staggers, or suddenly steers, it is determined that the awakening state of the driver D is low, and music having an awakening effect is played. By doing so, it becomes easy to maintain the awake state of the driver D. As a result, the safe driving of the driver D can be supported.

Further, according to the music selection system 1, it is possible to select a music that is likely to be preferred by the driver D based on the music genre specified based on the demographic information of the driver D.

Further, according to the music selection system 1, it is possible to select music that the driver is likely to like based on the music genre specified based on the vehicle type of the vehicle C.

Further, according to the music selection system 1, the music to be played by the vehicle C can be selected based on the preference of each music of the driver D.

[5. Other embodiments]
The present invention is not limited to the above embodiments.

[1] For example, in the above embodiment, the example in which the music data is stored in the music management server 10 has been described, but the music data may be stored in the user terminal 20, the onboard computer 3, or the like.

[2] Further, although the music selection system 1 is configured as a server-client type system by the music management server 10 and the user terminal 20, the music selection system 1 is configured as a stand-alone system in which the user terminal 20 and the music management server 10 are integrated. You may.

[3] Further, the onboard computer 3 may have the function of the music selection system 1. In this case, the on-board computer 3 may monitor information such as the steering wheel operation of the vehicle C and the engine speed, and use the information to determine the traveling state of the vehicle C.
Further, the music selection system 1 may be applied to a car navigation system, an audio system, or the like mounted on the vehicle C.

[4] Further, the music data stored in the music selection system 1 may include music data uploaded from the user terminal 20. Here, the music data uploaded from the user terminal 20 may be, for example, original music data created by the driver D by combining sound sources.
Further, the music data that can be distributed to the user terminal 20 by the music selection system 1 may be limited to the music data purchased by the driver D.

[5] Further, in the music selection system 1, the music data is transmitted from the music management server 10 only when the user terminal 20 or the onboard computer 3 does not hold the music data selected by the music management server 10. It may be. Then, when the user terminal 20 or the onboard computer 3 holds the music data selected by the music management server 10, the reproduction process may be executed based on the held music data.

[6] Further, in the music selection system 1, the input of the preference degree of the music genre may be received from the driver D, and the weight of each music genre may be set based on the received input.

[7] Further, while the vehicle C is traveling, the input from the driver D may be accepted only by voice.

1 Music selection system 3 On-board computer 5 Speaker 10 Music management server 11 Control unit 12 Storage unit 13 Communication unit 20 User terminal 21 Control unit 22 Storage unit 23 Communication unit 24 Input unit 25 Display unit 26 Acceleration sensor 27 GPS sensor 100 Data storage unit 110 Personal data acquisition unit 120 Vehicle information acquisition unit 130 Operation mode setting unit 140 Calculation unit 150 Selection unit 160 Playback control unit 170 Reception unit C Vehicle D Driver N Network T1 Music data table T2 Music genre table T3 Demographic information table T4 Vehicle type Information table T5 User music information table

Claims (9)

A music selection system to select an easy song,
A storage unit that stores multiple music data,
A personal data acquisition unit that acquires personal data of vehicles of the driver,
Based on the preference information of the music based on the vehicle information of the before and Symbol personal data vehicle, a selection unit for selecting a music data from the storage unit,
And a re-Namasei Gosuru reproduction control unit the music data selected by the selection unit,
A reception unit that accepts a favorite designation from the driver when the music data selected by the selection unit is being played.
A calculation unit that calculates an evaluation value of each of the plurality of music data based on the music genre specified by the preference information, the number of times of playback for each of the plurality of music data, and the designated information of the favorite. Further prepare
The selection unit is a music selection system characterized in that music data is selected from the storage unit based on the evaluation value . A setting unit for setting a selected driving mode based on the input from the driver, the position of the vehicle, or the date and time information is provided.
The storage unit stores a table associating the Kiraku music data and music genre before, and a table that associates the characteristics of the musical genres and music genres,
The selection unit, based on the setting information of the setting unit, and matching the taste information from the storage unit, and, according to claim 1, characterized by selecting the music data of the music genre predetermined characteristics associated Music selection system described in. A setting unit for setting a selected driving mode based on the input from the driver, the position of the vehicle, or the date and time information is provided.
The storage unit stores a table associating the Kiraku music data and music genre before, and a table that associates the characteristics of the musical genres and music genres,
The selection unit
Sudden stop the vehicle, when sudden steering, or the fluctuation has occurred, consistent with the preference information from the storage unit, and selects the music data of the music genre characteristics leading to awakening effect is associated ,
When the vehicle does not suddenly stop, steer, or wobble, music that matches the preference information from the storage unit and is associated with a predetermined characteristic based on the setting information of the setting unit. The music selection system according to claim 1, wherein music data of a genre is selected. The selection unit, when the first operating mode by the setting portion is configured to conform to the preference information from the storage unit, and the music data of the music genre characteristics resulting uplifting effect associated The music selection system according to claim 2 or 3 , wherein the music selection system is selected. When the second operation mode is set by the setting unit and the vehicle is rapidly accelerating or traveling at high speed, the selection unit matches the preference information from the storage unit and The music selection system according to claim 2 or 3 , wherein music data of a music genre associated with a characteristic that brings about a sedative effect is selected. The storage unit stores a table associating the Kiraku music data and music genre before, and a table that associates the characteristics of the musical genres and music genres,
The selection unit may suddenly stop the vehicle, when sudden steering, or the fluctuation has occurred, consistent with the preference information from the storage unit, and the music genre characteristics leading to awakening effect is associated The music selection system according to claim 1, wherein music data is selected. The personal data acquisition unit acquires demographic information of the driver and obtains demographic information.
The preference information is information on a music genre associated with the demographic information.
The music selection system according to any one of claims 1 to 6 , wherein the selection unit selects music data from the storage unit based on a music genre associated with the demographic information. This is a song selection method in which a computer selects songs.
The personal data acquisition step in which the computer acquires the personal data of the driver of the vehicle,
Based on the preference information of the music the computer based on the vehicle information of the vehicle and the personal data, a selection step of selecting music data from the storage unit that stores a plurality of music data,
A reproduction control step for Gosuru re Namasei music data to which the computer is selected by the selecting step,
A reception step in which the computer accepts a favorite designation from the driver when the music data selected by the selection step is being played.
A calculation step of calculating an evaluation value of each of the plurality of music data based on the music genre specified by the preference information, the number of times of playback for each of the plurality of music data, and the designated information of the favorite. Have and
The selection step is a music selection method characterized in that music data is selected from the storage unit based on the evaluation value . A music selection program for selecting the easy song to the computer,
On the computer
A personal data acquisition step of acquiring personal data of vehicles of the driver,
Based on the preference information of the music based on the vehicle information of the before and Symbol personal data vehicle, a selection step of selecting music data from the storage unit that stores a plurality of music data,
A reproduction control step for Gosuru re Namasei music data selected by the selecting step,
A reception step that accepts a favorite designation from the driver when the music data selected by the selection step is being played.
A calculation step of calculating an evaluation value of each of the plurality of music data based on the music genre specified by the preference information, the number of times of playback for each of the plurality of music data, and the designated information of the favorite. Let it run
In the selection step, a music selection program for executing selection of music data from the storage unit based on the evaluation value .

Images