JP4122947B2 - Music information distribution device - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a music information distribution device and an in-vehicle information device.
[0002]
[Prior art]
Conventionally, when enjoying music in a vehicle, it has been performed by reproducing an optical disk or a cassette tape brought from home by a music reproducing device previously installed in the vehicle. In addition, due to the development of the Internet, music data is stored using an information communication terminal that has an Internet connection function, such as a personal computer (hereinafter referred to as a personal computer) that is fixedly installed at home, etc., or a dedicated music playback device in cable broadcasting format. According to the menus provided by the music sites and information centers, music data was obtained by specifying a favorite song name and music genre, recorded on an optical disk or cassette tape, and played back in the passenger compartment.
[0003]
In addition, the vehicle is equipped with an information communication terminal equipped with a communication function, enabling direct access to the information center from the vehicle, and information on music data according to the vehicle's travel position, travel speed, passenger's mood, etc. There has also been proposed a system that acquires directly from the center and reproduces it (see, for example, Patent Document 1).
[0004]
[Patent Document 1]
Japanese Patent Laid-Open No. 2001-189969 (pages 2-8, FIG. 1)
[0005]
[Problems to be solved by the invention]
However, in the conventional music information distribution system, although music data can be easily acquired from the car according to the driving position and speed of the car, the passenger's mood, etc., the equalization and surround settings for each music are Has to be done manually and is cumbersome. In addition, since the sound field setting according to the characteristics of the vehicle requires specialized knowledge, it is difficult for a general person to operate the music reproducing device in accordance with the sound field in the passenger compartment.
[0006]
Therefore, the present invention has been made in view of the above-described problems, and distributes music data suitable for the situation and equipment that reproduces music data even under any out-of-vehicle conditions. An object of the present invention is to provide a music information distribution apparatus and an in-vehicle information apparatus characterized by performing optimal control according to the characteristics of music and vehicles.
[0007]
[Means for Solving the Problems]
In order to solve the above problems, the present invention proposes the following means.
The present invention relates to a receiving means for receiving information outside the vehicle from an in-vehicle information device mounted on the vehicle, a storage means for storing a pre-registered music, and according to the information outside the car from the registered music. Music information distribution comprising: music data selection means for selecting music data; reproduction information generation means for generating reproduction information relating to reproduction of music data from outside information; and transmission means for transmitting the music data and the reproduction information A device is proposed.
[0008]
According to this invention, the information outside the vehicle from the in-vehicle information device is received by the music information distribution device by the operation of the receiving means. By the operation of the music data selection means, music data suitable for the information outside the vehicle is selected from the information outside the vehicle and the music information stored in advance. Furthermore, the reproduction information generating means generates the reproduction information of the music data from the received information outside the vehicle. Then, the music data and the reproduction information are transmitted to the in-vehicle information device by the operation of the transmission means.
[0009]
The present invention relates to a receiving means for receiving information outside the vehicle from an in-vehicle information device mounted on the vehicle, a storage means for storing a pre-registered music, and according to the information outside the car from the registered music. Music data selection means for selecting music data, reproduction information generation means for generating reproduction information related to reproduction of music data from outside information, and processing the music data based on the reproduction information to generate new music data A music information distribution apparatus including music data generation means for performing transmission and transmission means for transmitting the generated music data is proposed.
[0010]
According to this invention, the information outside the vehicle from the in-vehicle information device is received by the music information distribution device by the operation of the receiving means. By the operation of the music data selection means, music data suitable for the information outside the vehicle is selected from the information outside the vehicle and the music information stored in advance. Further, by the operation of the music data generating means, the music data reproduction information is generated from the received information outside the vehicle and the vehicle information stored in advance. Then, by the operation of the music data generation means, the music data is processed based on the reproduction information, new music data is generated, and this music data is transmitted by the operation of the transmission means. Therefore, if the in-vehicle information device has a communication function, it is possible to play and enjoy music suitable for the environment outside the vehicle under optimum conditions.
[0011]
The present invention proposes a music information distribution apparatus for the music information distribution apparatus, in which the information outside the vehicle includes information on a travel position, a travel speed, and a weather condition.
According to this invention, since the information outside the vehicle is composed of information related to the traveling position, weather conditions, etc., the music data corresponding to the situation where the traveling location changes depending on the weather conditions such as scenery, blue sky, cloudy sky, and rain It is possible to set the optimum playback conditions corresponding to the music selection and situation.
[0012]
The present invention is, for the music information distribution system, the storing means is proposed models, a music information distribution apparatus further stores vehicle information regarding grade and type.
According to this invention, since the vehicle information is composed of the vehicle type, grade, type, and the like, if such information is registered in the music information distribution device in advance, a reproduction signal that takes these information into consideration can be received. Optimal music playback according to the sound field characteristics of the car is possible.
[0013]
The present invention provides a sensor for detecting an environment outside a vehicle, communication means for transmitting information outside the vehicle indicating the environment outside the vehicle, receiving music data and reproduction information from a music information distribution device, and music data based on the reproduction information. An in-vehicle information device including music reproducing means for reproducing music is proposed.
[0014]
According to the present invention, the current traveling position is detected by the operation of the position information detecting means, and the information outside the vehicle is detected by the sensor. The communication means transmits the detected traveling position and information outside the vehicle, and receives the music data and the reproduction information. Then, the received music data is reproduced based on the reproduction information by the operation of the music reproducing means. Therefore, it is possible to reproduce the optimal music under the optimal conditions according to the environment outside the vehicle.
[0015]
The present invention proposes an in-vehicle information device that further includes position information detecting means for detecting a traveling position, and that the information outside the vehicle includes information on the traveling position, traveling speed, and weather condition.
According to this invention, since the information outside the vehicle is composed of information related to the traveling position, weather conditions, etc., the music data corresponding to the situation where the traveling location changes depending on the weather conditions such as scenery, blue sky, cloudy sky, and rain It is possible to set the optimum playback conditions corresponding to the music selection and situation.
[0016]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, a music information distribution device and an in-vehicle information device according to an embodiment of the present invention will be described in detail with reference to FIGS.
As shown in FIG. 1, the music information distribution device 100 includes a database that stores music data, a storage device that stores music information such as vehicle information (not shown), a user's favorite genre related to music, and a singer's name, each music data, and an in-vehicle system. A data table related to reproduction information for controlling music reproduction means in the information device 200 is provided.
[0017]
In addition, the music information distribution device 100 is connected to an in-vehicle information device 200, which will be described later, by communication means, and selects an appropriate music according to information outside the vehicle transmitted from the in-vehicle information device 200, and the vehicle information from the data table. Necessary reproduction information related to equalizer and surround setting control according to characteristics and vehicle exterior conditions and music reproduction optimal for the sound field in the vehicle interior is selected and transmitted as a control signal.
[0018]
On the other hand, the in-vehicle information device 200 is a device having an information detection function including a music reproduction function, a communication function, various sensors, and the like, and the detected various information and vehicle information input by the user using the input means are transmitted by the communication means. The music information is transmitted to the music information distribution apparatus 100, and the music is reproduced according to the various control signals relating to the music reproduction transmitted.
[0019]
Hereinafter, the in-vehicle information device 200 will be described based on the drawings.
As shown in FIG. 2, the in-vehicle information device 200 includes an antenna 1, a communication unit 2, an input unit 3, a music playback unit 4, a speaker 5, a display unit 6, and a RAM (RAM: Random Access Memory). 7, a CPU (Central Processing Unit) 8, a ROM (ROM: Read Only Memory) 9, a GPS (GPS: Global Positioning System) unit 10, a GPS antenna 11, a vehicle speed pulse detector 12, and a sensor It is composed of an I / F (I / F: Interface) 13 and sensors 14.
[0020]
The antenna 1 transmits information related to the vehicle, information outside the vehicle obtained from the GPS unit 11 and the sensors 14, etc. to the music information distribution device 100, and various controls related to music data and music reproduction transmitted from the music information distribution device 100. A signal or the like is received and output to the communication unit 2. The communication unit 2 converts the electrical signal input from each part of the in-vehicle information device 200 into wireless information and outputs it to the antenna 1, and converts the wireless information input from the antenna 1 into an electrical signal and outputs it to each part.
[0021]
The input unit 3 is an information input unit, and in this embodiment, when the user inputs vehicle information such as the vehicle type and grade, or the user specifies his / her favorite music genre or singer name, etc. This is used when the music title is directly specified according to the mood of the place. In addition, although the vehicle information and the designation information related to the user's music may be transmitted each time together with the outside information, the subsequent input can be omitted by registering in advance.
[0022]
The music reproduction unit 4 reproduces the music data distributed from the music information distribution apparatus 100 based on a control signal related to music reproduction transmitted together with the music data. Note that the user can also independently operate the music playback unit 4 via the input unit 3 to change the settings of the music playback control, and the contents can be changed via the communication unit. The data table related to the reproduction information can be updated by transmitting to.
[0023]
The speaker 5 is an audio output unit and outputs music based on the analog audio signal output from the music playback unit 4. The display unit 6 displays a menu screen in response to input of information via the input unit 3, displays input information for confirmation, and displays setting information of the music playback unit 4. , You can check its contents. When using a navigation system, map data and the like are also displayed.
[0024]
The RAM 7 temporarily stores the music data distributed from the music information distribution device 100, and sequentially updates and stores information outside the vehicle obtained from the GPS unit 11 and the sensors 14 and the like. Further, data displayed on the display unit 6 and vehicle information input by the user via the input unit 3 are registered and stored, and are also used for a work area of the CPU.
[0025]
CPU8 controls each part of the vehicle-mounted information apparatus 200 according to a control program, and controls the exchange of various information with the music information distribution apparatus 100. FIG. In the present embodiment, the music playback unit 4 is controlled according to the music playback signal transmitted from the music information distribution apparatus 100 together with the music data.
[0026]
The ROM 9 stores a program and the like for controlling each unit constituting the in-vehicle information device 200. The GPS unit 10 is a device that detects the current position of the vehicle using these signals by receiving radio waves from three or more GPS satellites, and includes a GPS receiver (not shown), a calculation unit, And a control unit.
[0027]
The GPS receiver converts the radio wave received by the GPS antenna 11 into an electrical signal. The calculation unit obtains the arrival time of the radio wave from each GPS satellite based on the plurality of electrical signals converted by the GPS receiver. Then, the current position of the vehicle is calculated by calculating the distance to each GPS satellite. The GPS antenna 11 receives radio waves from three or four GPS satellites in the sky. In addition, the calculation unit corrects the distance information calculated based on the received data from the GPS satellites based on the vehicle speed pulse information from the vehicle speed pulse detection unit 12.
[0028]
The vehicle speed pulse detection unit 12 is a device that generates a vehicle speed pulse by attaching a main body to a position near a tire house of a rear wheel such as a trunk of a car or under a rear seat, magnetizing the tire, and reading the magnetism with a sensor. The vehicle speed pulse is read from the vehicle and counted to detect the travel distance. This detected value is used for the above-mentioned correction of the travel distance and calculation of the vehicle speed.
[0029]
The sensor I / F 13 is an interface that couples the sensors 14 and the bus line. The sensors 14 are elements for acquiring various types of out-of-vehicle information to be transmitted to the music information distribution apparatus 100. In this embodiment, the sensor 14 is a temperature sensor that detects temperature, a humidity sensor that detects humidity, and the intensity of sunlight. It consists of a solar sensor or the like that detects the thickness. These data are collated with the data table stored in the ROM 9 in the CPU 8 via the sensor I / F 13 and converted into necessary information.
[0030]
Next, the data table regarding the music reproduction signal memorize | stored in the music information delivery apparatus 100 is demonstrated. As shown in FIG. 3, the data table relating to the music reproduction signal is configured by associating each piece of music data with various conditions. Note that a table associated with an outside condition (not shown) is also provided for the music data, and the current situation is determined by information such as the outside condition transmitted to the music information distribution apparatus 100 from the already registered music. The best music selection is performed. Apart from this, the user can also directly specify music.
[0031]
In the example of FIG. 3, the music reproduction signal is provided with conditions such as a traveling time zone, a weather state, a travel location, a travel speed, and the like as elements of the conditions. Is applied to each element of the data table to find the optimum music reproduction information, and this is output to the in-vehicle information device 200.
[0032]
For example, for the song A, if the conditions are: time zone = night, weather condition = sunny, travel location = city, travel speed = 60 km / h, the music information distribution device 100 sends to the in-vehicle information device 200. Information that reverberation = + 2 and Hall effect = is transmitted. Note that the music data reproduction conditions set in this way can be further changed by the user via the input unit 3. Although omitted in the example of FIG. 3, vehicle information such as vehicle type and grade is also taken into account as a condition for selecting music and selecting reproduction information.
[0033]
Next, a processing procedure for the music information distribution device and the in-vehicle information device in the present embodiment will be described with reference to FIG.
First, the user transmits vehicle information and information related to music to the music information distribution device 100 via the input unit 3 of the in-vehicle information device 200 and registers them. When the in-vehicle information device 200 transmits the information outside the vehicle or the music information directly selected by the user (step 101), the music information distribution device 100 confirms the reception of the information (step 102).
[0034]
When the music information distribution device 100 confirms reception of information outside the vehicle from the in-vehicle information device 200, the music data and the music reproduction information are set from the transmitted information, and this information is transmitted to the in-vehicle information device 200 ( Step 103). When the music information distribution apparatus 100 cannot confirm the reception of information from the in-vehicle information apparatus 200, the music information distribution apparatus 100 shifts to a standby state (step 102).
[0035]
When the in-vehicle information device 200 confirms reception of the music data and the music reproduction information (step 104), this information is output to the music reproduction unit 4. The music playback unit 4 performs stereo balance, equalizer and surround settings according to this control signal (step 105), and plays back the music (step 106). When the in-vehicle information device 200 cannot confirm the reception of information from the music information distribution device 100, it shifts to a standby state (step 104). When the reproduction of the transmitted music is finished (step 107), the process returns to the start and shifts to a standby state for information transmission.
[0036]
According to the present embodiment, the vehicle information, the outside information, and the user's music selection information are transmitted to the music information distribution device 100, so that the user can perform the music playback without any particular setting and is optimal for the current situation. Control can be performed.
[0037]
As described above, the embodiments of the present invention have been described in detail with reference to the drawings. However, the specific configuration is not limited to these embodiments, and design changes and the like within a scope not departing from the gist of the present invention are possible. included. For example, in the present embodiment, as described above, when the music reproduction control condition transmitted from the music information distribution device is changed by the user, this is retransmitted from the in-vehicle information device to the music information distribution device. Thus, the contents of the data table of the music information distribution apparatus may be updated sequentially.
[0038]
【The invention's effect】
As described above, according to the present invention, even in a situation that changes from moment to moment, such as weather conditions, for example, during rainy daytime driving, the selection of music may be biased, such as a song related to rain. There is also an effect that the user is not bored.
[0039]
Also, for example, in female vocal tunes, the vocals are emphasized, or in house music, the bass is emphasized more than the treble, so if the user's preference is registered in advance, each song In addition, there is an effect that the complexity of performing equalizing is eliminated.
[0040]
Also, for example, if you are driving comfortably on a country road in the daytime when the weather is nice, you will be driving slowly on the metropolitan expressway at night with a beautiful reverberation and emphasized vocals, or at night with a beautiful night view In some cases, the hall effect can be used to increase the reverberation and enhance the live feeling, so that even the same song can be played according to the current situation and atmosphere. There is an effect.
[Brief description of the drawings]
FIG. 1 is a configuration diagram of a music information distribution device and an in-vehicle information device according to an embodiment of the present invention.
FIG. 2 is a configuration diagram of an in-vehicle information device according to an embodiment of the present invention.
FIG. 3 is a diagram showing the contents of a data table related to a music playback signal according to an embodiment of the present invention.
FIG. 4 is a process flowchart in the music information distribution device and the in-vehicle information device according to the embodiment of the present invention.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 ... Antenna, 2 ... Communication part, 3 ... Input part, 4 ... Music reproduction part, 5 ... Speaker, 6 ... Display part, 7 ... RAM, 8 ... CPU, 9 ... ROM, 10 ... GPS unit, 11 ... GPS antenna, 12 ... vehicle speed pulse detector, 13 ... I / F for sensors, 14 ... sensors, 100 ... Music information distribution device, 200 ... In-vehicle information device,

Claims (2)

Receiving means for receiving outside vehicle information indicating an outside environment from an in-vehicle information device mounted on the vehicle;
Storage means for storing pre-registered music data ;
A data table in which the outside information, the music data and the playback control information for controlling the music data playback are stored in association with each other;
By referring to the data table, and the music data selection means for selecting the music data corresponding to the outside of the vehicle information from the music data the registration,
Reproduction control signal generation means for generating a control signal for controlling reproduction of the music data from the reproduction control information associated with the outside information stored in the data table ;
A music information distribution device comprising: transmission means for transmitting the selected music data and the generated control signal to the in- vehicle information device ;
The receiving means receives from the in-vehicle information device information on the music reproduction control setting change made in the in-vehicle information device for music reproduction by the music data and the control signal,
A music information distribution apparatus further comprising updating means for updating the reproduction control information stored in the data table in accordance with the setting change information . The music information distribution apparatus according to claim 1 , wherein the information outside the vehicle includes information on a travel position, a travel speed, and a weather condition.

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