JP2004177790A - Musical piece information distribution device and on-vehicle information device - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a musical piece information distribution device and an on-vehicle information device that distribute musical piece data meeting any condition outside a vehicle and perform optimum control corresponding to musical piece data and vehicle characteristics when a musical piece is reproduced. <P>SOLUTION: Provided is the musical piece information distribution device that distributes proper musical piece data and optimum control information corresponding to a situation. The device is equipped with: a receiving means of receiving out-of-vehicle information showing environment outside the vehicle from the on-vehicle information device mounted on the vehicle; a storage means of storing previously registered musical pieces; a musical piece data selecting means of selecting musical piece data according to the out-of-vehicle information out of the registered musical pieces; a reproduction information generating means of generating reproduction information regarding reproduction of the musical piece data from the out-of-vehicle information; and a transmitting means of transmitting the musical piece data and reproduction information. <P>COPYRIGHT: (C)2004,JPO

Description

[0001]
TECHNICAL FIELD OF THE INVENTION
The present invention relates to a music information distribution device and an in-vehicle information device.
[0002]
[Prior art]
2. Description of the Related Art Conventionally, when music is enjoyed in a vehicle, a music reproducing device mounted in the vehicle in advance plays an optical disk or a cassette tape brought from home. Also, due to the development of the Internet, music data is stored by information communication terminals such as personal computers (hereinafter referred to as personal computers) fixedly installed in homes and the like, or dedicated music playback devices in the form of cable broadcasting, etc. According to the menu provided by the music site or the information center provided, music data was obtained by designating a desired music title and music genre, and the music data was recorded on an optical disk or a cassette tape, and played back in the passenger compartment to enjoy the music.
[0003]
Furthermore, 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 traveling position and traveling speed of the vehicle, the mood of the passenger, etc. A system that directly obtains the information from a center and reproduces the information has also been proposed (for example, see Patent Document 1).
[0004]
[Patent Document 1]
JP 2001-189969 A (Pages 2-8, FIG. 1)
[0005]
[Problems to be solved by the invention]
However, in the conventional music information distribution system, although the music data can be easily obtained from the inside of the vehicle according to the traveling position and the traveling speed of the car, the mood of the passenger, etc., the equalizing and surround settings for each music are set by the passenger. Must be performed manually, which is complicated. In addition, it is difficult for an ordinary person to operate a music reproducing apparatus in accordance with a sound field in a vehicle cabin, since specialized knowledge is required for setting a sound field according to characteristics of a vehicle.
[0006]
In view of the above, the present invention has been made in view of the above-described problems, and distributes music data suitable for the situation, even in all outside conditions, and also applies to a device that reproduces music data. It is another object of the present invention to provide a music information distribution device and an in-vehicle information device that perform optimal control according to the characteristics of music and a vehicle.
[0007]
[Means for Solving the Problems]
In order to solve the above problems, the present invention proposes the following means.
The invention according to claim 1 includes a receiving unit that receives outside-of-vehicle information indicating an outside environment from an in-vehicle information device mounted on a vehicle, a storage unit that stores pre-registered music, and Music data selection means for selecting music data in accordance with the outside-of-vehicle information, reproduction information generation means for generating reproduction information relating to reproduction of the music data from the outside-of-vehicle information, and transmission means for transmitting the music data and the reproduction information. A music information distribution device is provided.
[0008]
According to the present 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 operating the music data selection means, music data suitable for the outside-of-vehicle information is selected from outside-of-vehicle information and music information stored in advance. Further, by operating the reproduction information generating means, reproduction information of the music data is generated 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 invention according to claim 2 is a receiving unit that receives outside-of-vehicle information indicating an outside environment from an in-vehicle information device mounted on a vehicle, a storage unit that stores pre-registered music, and Music data selection means for selecting music data in accordance with the outside-of-vehicle information; reproduction information generation means for generating reproduction information relating to reproduction of the music data from the outside-of-vehicle information; There is proposed a music information distribution device including a music data generating means for generating music data and a transmitting means for transmitting the generated music data.
[0010]
According to the present 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 operating the music data selection means, music data suitable for the outside-of-vehicle information is selected from outside-of-vehicle information and music information stored in advance. Further, by operating the music data generating means, reproduction information of the music data is generated from the received outside-of-vehicle information 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 the 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 optimal conditions.
[0011]
The invention according to claim 3 proposes a music information distribution device according to claim 1 or 2, wherein the outside-of-vehicle information includes information on a traveling position, a traveling speed, and a weather condition. I have.
According to the present invention, since the outside-of-vehicle information is constituted by information on a traveling position, a weather condition, and the like, music data corresponding to a situation that changes depending on a weather condition such as a scenery of a traveling place, a blue sky, a cloudy sky, and rain. , And setting of optimum reproduction conditions corresponding to the situation.
[0012]
According to a fourth aspect of the present invention, in the music information distribution apparatus according to the first or second aspect, the storage unit proposes a music information distribution apparatus that further stores vehicle information on a vehicle type, a grade, and a type. I have.
According to the present invention, since the vehicle information is composed of a vehicle type, a grade, a type, and the like, if such information is registered in advance in the music information distribution device, a reproduction signal in which these information are added can be received, Optimum music reproduction according to the sound field characteristics of the car becomes possible.
[0013]
The invention according to claim 5 is a sensor for detecting an environment outside the vehicle, communication means for transmitting information outside the vehicle indicating the environment outside the vehicle, receiving music data and reproduction information from the music information distribution device, and based on the reproduction information. And an on-vehicle information device having a music reproducing means for reproducing the music data.
[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 the 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, the optimum music can be reproduced under the optimum conditions according to the environment outside the vehicle.
[0015]
The invention according to claim 6 is the vehicle-mounted information device according to claim 5, further comprising position information detection means for detecting a traveling position, wherein the outside-of-vehicle information includes information on the traveling position, the traveling speed, and the weather condition. In-vehicle information devices are proposed.
According to the present invention, since the outside-of-vehicle information is constituted by information on a traveling position, a weather condition, and the like, music data corresponding to a situation that changes depending on a weather condition such as a scenery of a traveling place, a blue sky, a cloudy sky, and rain. , And setting of optimum reproduction conditions corresponding to the situation.
[0016]
BEST MODE FOR CARRYING OUT 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 apparatus 100 includes a database for storing music data, a storage device for storing vehicle information (not shown), music information such as a user's favorite genre regarding music, and a singer's name. A data table and the like relating to reproduction information for controlling music reproduction means in the information device 200 are provided.
[0017]
Further, the music information distribution device 100 is connected to an in-vehicle information device 200 to be described later by a communication unit, selects an appropriate music in accordance with the outside-of-vehicle information transmitted from the in-vehicle information device 200, and, based on the data table, It controls the setting of equalizers and surrounds according to characteristics and conditions outside the vehicle, and selects necessary reproduction information related to music reproduction that is optimal for the sound field in the vehicle compartment, and transmits it as a control signal.
[0018]
On the other hand, the in-vehicle information device 200 is a device having a music reproduction function, a communication function, and an information detection function including various sensors and the like, and detects various kinds of detected information, vehicle information input by a user using an input unit, and the like by a communication unit. The music is transmitted to the music information distribution apparatus 100, and the music is reproduced in accordance with the various control signals related to the transmitted music.
[0019]
Hereinafter, the in-vehicle information device 200 will be described with reference to 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 reproduction unit 4, a speaker 5, a display unit 6, and a RAM (Random Access Memory) 7. , CPU (Central Processing Unit) 8, ROM (Read Only Memory) 9, GPS (Global Positioning System) (GPS) unit 10, GPS antenna 11, vehicle speed pulse detector 12, sensor I / F (I / F: Interface) 13 and sensors 14.
[0020]
The antenna 1 transmits information related to the vehicle, information on the outside of the vehicle obtained from the GPS unit 11 and the sensors 14 to the music information distribution apparatus 100, and also controls various kinds of music data transmitted from the music information distribution apparatus 100 and music reproduction. It receives signals and the like and outputs them to the communication unit 2. The communication unit 2 converts an electric signal input from each unit 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 electric signal and outputs it to each unit.
[0021]
The input unit 3 is an information input unit. In the present embodiment, the user inputs vehicle information such as a vehicle type and a grade, or specifies his / her favorite music genre or singer name with respect to music, or This is used, for example, when directly specifying a song name according to the mood of the place. It should be noted that the vehicle information and the designated information related to the user's music may be transmitted each time together with the outside-of-vehicle information. However, by registering in advance, subsequent input can be omitted.
[0022]
The music reproduction unit 4 reproduces music data distributed from the music information distribution device 100 based on a control signal related to music reproduction transmitted with the music data. The user can independently operate the music reproduction unit 4 via the input unit 3 to change the setting of the music reproduction control, and the contents can be transmitted to the music information distribution apparatus 100 via the communication unit. , The data table related to the reproduction information can be updated.
[0023]
The speaker 5 is a sound output unit, and outputs music based on an analog audio signal output from the music reproducing unit 4. The display unit 6 displays a menu screen in response to information input via the input unit 3, displays input information for confirmation, and displays setting information of the music reproducing unit 4. , You can check its contents. When a navigation system is used, map data and the like are displayed.
[0024]
The RAM 7 temporarily stores the music data distributed from the music information distribution device 100, and sequentially updates and stores the information outside the vehicle obtained from the GPS unit 11 and the sensors 14 and the like. In addition, the data displayed on the display unit 6 and the 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]
The CPU 8 controls each unit of the in-vehicle information device 200 according to a control program, and controls exchange of various information with the music information distribution device 100. In the present embodiment, the music reproduction unit 4 is controlled in accordance with a music reproduction signal transmitted from the music information distribution device 100 together with the music data.
[0026]
The ROM 9 stores programs 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 by receiving radio waves from three or more GPS satellites and using these signals, and includes a GPS receiver (not shown), a calculation unit, and a GPS unit. And a control unit.
[0027]
The GPS receiver converts a radio wave received by the GPS antenna 11 into an electric signal. The calculation unit calculates the arrival time of radio waves from each GPS satellite based on the plurality of electric 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. The calculation unit corrects the distance information calculated based on the data received from the GPS satellites based on the vehicle speed pulse information from the vehicle speed pulse detection unit 12.
[0028]
The vehicle speed pulse detecting unit 12 is a device that generates a vehicle speed pulse by attaching a main body to a position near a rear wheel tire house such as a trunk of a car or under a rear seat, magnetizing a tire, and reading a magnetism thereof with a sensor. The vehicle speed pulse is read from the vehicle and counted to detect the traveling distance. This detection value is used for the correction of the traveling distance and the calculation of the vehicle speed.
[0029]
The sensor I / F 13 is an interface that connects the sensors 14 and a bus line. The sensors 14 are elements for acquiring various kinds of outside information transmitted to the music information distribution apparatus 100. In the present embodiment, the sensors 14 are a temperature sensor for detecting temperature, a humidity sensor for detecting humidity, and a sensor for detecting sunlight intensity. It is composed of a sunlight sensor or the like for detecting the height. These data are collated with the data table stored in the ROM 9 by the CPU 8 via the sensor I / F 13 and converted into necessary information.
[0030]
Next, a data table relating to a music reproduction signal stored in the music information distribution apparatus 100 will be described. As shown in FIG. 3, the data table relating to the music reproduction signal is configured by associating each music data with various conditions. A table is also provided for the song data, which is associated with outside conditions and the like (not shown). Based on information such as the outside conditions transmitted from the already registered songs to the song information distribution device 100, the current situation is determined. The most suitable music selection is executed. Alternatively, the user can directly specify a song.
[0031]
In the example of FIG. 3, the music reproduction signal includes conditions such as a time zone of traveling, a weather condition, a traveling place, and a traveling speed as the elements of the condition. Is applied to each element of this data table to find out the most suitable music reproduction information, and outputs it to the on-vehicle information device 200.
[0032]
For example, assuming that the condition of time zone = night, weather condition = sunny, traveling place = city, traveling speed = 60 km / h for the song A, the song information distribution device 100 , Reverberation = + 2, hall effect = present. Note that the user can further change the music data playback conditions set via the input unit 3 in this manner. Although omitted in the example of FIG. 3, vehicle information such as a vehicle type and a grade is also taken into consideration as a condition for selecting music and selecting reproduction information.
[0033]
Next, the processing procedure of the music information distribution device and the in-vehicle information device according to 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 the information. When information outside the vehicle or music information directly selected by the user is transmitted from the in-vehicle information device 200 (step 101), the music information distribution device 100 confirms reception of the information (step 102).
[0034]
When the music information distribution apparatus 100 confirms reception of information outside the vehicle or the like from the in-vehicle information apparatus 200, the music information distribution apparatus 100 sets music data and music reproduction information from the transmitted information, and transmits this information to the in-vehicle information apparatus 200 ( Step 103). If the music information distribution device 100 cannot confirm the reception of the information from the in-vehicle information device 200, it 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), the information is output to the music reproduction unit 4. The music reproducing section 4 sets the stereo balance, equalizer, and surround according to the control signal (step 105), and reproduces the music (step 106). If the in-vehicle information device 200 cannot confirm the reception of the information from the music information distribution device 100, it shifts to a standby state (step 104). When the reproduction of the transmitted music is completed (step 107), the process returns to the start and shifts to a standby state for information transmission.
[0036]
According to the present embodiment, by transmitting the vehicle information, the outside-of-vehicle information, and the music selection information of the user to the music information distribution apparatus 100, the reproduction of the music is optimized for the current situation without any special setting by the user. 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 a design change or the like may be made without departing from the gist of the present invention. included. For example, in the present embodiment, as described above, when the control condition of the music reproduction transmitted from the music information distribution device is changed by the user, this is transmitted from the vehicle-mounted information device to the music information distribution device again. Thus, the contents of the data table of the music information distribution device may be updated sequentially.
[0038]
【The invention's effect】
As described above, according to the present invention, even in a situation that changes moment by moment, such as a weather condition, for example, during daytime running in rainy weather, song selection may be biased such as a song related to rain. Therefore, there is an effect that the user is not bored.
[0039]
In addition, for example, in a female vocal song, if the user's preference is registered in advance, such as emphasizing the vocal or in house music, the bass is emphasized more than the treble, it is possible to register each song. This has the effect that the complexity of performing equalizing is eliminated.
[0040]
Also, for example, if you are traveling comfortably on a country road during the daytime when the weather is good, you are driving slowly on a metropolitan expressway with a characteristic that emphasizes vocals with less reverberation or a night view with a beautiful night view In this case, the reverberation is increased by using the Hall effect, and the setting is made to emphasize the live feeling, etc., so that even the same song can be played according to the situation and atmosphere of the place 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 contents of a data table relating to a music reproduction signal according to the embodiment of the present invention.
FIG. 4 is a processing 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 unit, 7 RAM, 8 CPU,
9 ROM, 10 GPS unit, 11 GPS antenna,
12: vehicle speed pulse detector, 13: sensor I / F, 14: sensors, 100: music information distribution device, 200: in-vehicle information device,

Claims (6)

Receiving means for receiving outside-of-vehicle information indicating an outside-of-vehicle environment from an in-vehicle information device mounted on a vehicle, storage means for storing pre-registered music, and music data according to the outside-of-vehicle information from among the registered music. A music information distribution device comprising: music data selection means for selection; reproduction information generation means for generating reproduction information relating to reproduction of music data from information outside the vehicle; and transmission means for transmitting the music data and the reproduction information. Receiving means for receiving outside-of-vehicle information indicating an outside-of-vehicle environment from an in-vehicle information device mounted on a vehicle, storage means for storing pre-registered music, and music data according to the outside-of-vehicle information from among the registered music. Music data selection means for selection, reproduction information generation means for generating reproduction information relating to reproduction of music data from information outside the vehicle, and music data generation for processing the music data based on the reproduction information to generate new music data Means for transmitting music data, and a transmitting means for transmitting the generated music data. The music information distribution device according to claim 1, wherein the outside-of-vehicle information includes information on a traveling position, a traveling speed, and a weather condition. The music information distribution device according to claim 1, wherein the storage unit further stores vehicle information regarding a vehicle type, a grade, and a type. A sensor for detecting an environment outside the vehicle, communication means for transmitting information outside the vehicle indicating the environment outside the vehicle, and receiving music data and reproduction information from the music information distribution device; and a music for reproducing the music data based on the reproduction information An in-vehicle information device including a reproducing unit. 6. The on-vehicle information device according to claim 5, further comprising: position information detecting means for detecting a traveling position, wherein the outside-of-vehicle information includes information on the traveling position, a traveling speed, and a weather condition.

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