JPH11296185A - Engine sound generating device for vehicle - Google Patents

Abstract

PROBLEM TO BE SOLVED: To enable experiencing atmosphere in which a person is riding in an expensive car by enabling radiating an engine sound of a specific kind such as a F-1 car in a car during driving. SOLUTION: When a kind of car is selected by a car kind selector 7, an ignition signal of a self-car is converted to ignition timing of a selected kind of car by an ignition signal converting device 8, and it is outputted to an engine sound generating device 10. Sound source data of a specific kind of car stored in a sound source means 9 is simultaneously outputted to an engine sound generating circuit 11 by selecting a kind of car. Then synthesized engine sound is radiated from a loudspeaker 13 to the inside of a car through a car radio device 12. When the car radio device 12 has a stereo sound function, powerful engine sound of the specific kind of car can be obtained.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an on-vehicle engine sound producing device for emitting an engine sound of a specific vehicle type in a vehicle to produce an atmosphere as if riding in the vehicle type.

[0002]

2. Description of the Related Art Car enthusiasts yearn for so-called supercars, F1 cars, and the like, and driving a grassland or a highway with such a car can be very exciting regardless of age. . However, the reality is that family cars are running sloppy on congested roads.

[0003] Metabolic actions in response to this include playing a recorded video of an F1 race, watching a race or watching a rally, and playing a car racing game at a game center or the like. In some car racing games, a racing car emits an onomatopoeic sound of an actual car engine to give a game player the atmosphere.

[0004]

However, watching a race is merely another person's car, and it is not enough to obtain self-satisfaction. In addition, it cannot be denied that car racing games and the like become unrealistic and cannot enjoy the atmosphere. Car enthusiasts can't stop searching for their own car that satisfies their desire to ride such a car. However, it is not easy to buy expensive cars, and it is impossible for race cars to run on roads in Japan, so the dream of car lovers will not be realized .

[0005]

In order to solve the above-mentioned problems, an on-vehicle engine sound producing apparatus of the present invention stores a sound source of an engine sound of a specific model such as an F1 car or a rally car in advance, and The sound is converted into an engine sound in accordance with the ignition timing and is emitted into the own vehicle, thereby producing an atmosphere as if the user is riding a specific vehicle type. The following elements are provided as means for performing such an effect.

As a first element, a vehicle type selector for selecting a specific vehicle type is provided. This is mounted at a position that can be operated from the driver's seat, and allows an arbitrary vehicle type to be selected from a plurality of specific vehicle types set by operating a switch.

A second element is an ignition signal converter. This is to convert the ignition signal of the own vehicle into the ignition timing of the specific vehicle type selected by the vehicle type selector which is the first element. For example, when the rotation speed of the own vehicle becomes 4000 RPM, the ignition timing of the specific vehicle type becomes, for example, 10
000 RPM.

A third element is a sound source means. This is to store the sound source data of the engine sound of the specific vehicle type and output the sound source data corresponding to the specific vehicle type selected by the vehicle type selector which is the first element.

A fourth component is an engine sound generator. An engine sound generating circuit for generating an engine sound of a specific vehicle model based on the signal output from the ignition signal converter and the signal output from the sound source means, and a signal from the engine sound generating circuit are supplied. And a car radio device.

Further, if a car radio device having a stereo sound function is adopted, an engine sound of a specific vehicle such as an F1 car or a rally car can be produced in a realistic manner according to the degree of depression of the accelerator of the own vehicle. This will greatly satisfy the dream of car enthusiasts.

[0011]

BEST MODE FOR CARRYING OUT THE INVENTION An on-vehicle engine sound producing apparatus according to the present invention selects a desired specific vehicle type from a plurality of vehicle types, and synchronizes with the ignition timing of the own vehicle to emit an engine sound of the specific vehicle type into the own vehicle. By doing so, an atmosphere as if riding a specific vehicle type is produced.

The present device can be mounted at a position operable from the driver's seat in the own vehicle, and a vehicle type selector for selecting a specific vehicle type and an ignition signal of the own vehicle are set to the ignition timing of the specific vehicle type selected by the vehicle type selector. An ignition signal conversion device for converting, sound source data of engine sounds of a plurality of vehicle types selectable by a vehicle type selector, sound source means for outputting sound source data corresponding to a specific vehicle type selected by the vehicle type selector, and an ignition signal An engine sound generator is provided for generating an engine sound of a specific vehicle type based on signals output from the converter and the sound source means.

[0013] The engine sound generating device is provided with an engine sound generating circuit for generating an engine sound of a specific vehicle type based on signals output from the ignition signal converting device and the sound source means, and a signal from the engine sound generating circuit is supplied. It is preferable to be constituted by a car radio device. It is desirable that the car radio device has a stereo sound function.

[0014]

FIG. 2 shows the appearance of a vehicle engine sound effect producing apparatus according to an embodiment of the present invention. As shown in the figure, a select switch 2 for selecting a vehicle type, a power switch 2a, and a liquid crystal display panel 3 as a display unit for displaying a selected state are provided on the front of a lunch box-shaped case 1. The size of the case 1 is adapted to the size of the CD deck mounting portion provided on the front of the driver's seat, and can be mounted on this mounting portion when adopted in a car without a CD deck mounted. . If the CD deck mounting portion is already closed, it may be fixed on a small case provided between the driver's seat and the passenger seat or on the dashboard side of the passenger seat.

The case 1 contains the following components, and a power cord 4 and an engine sound output cord 5
And connection jacks (not shown) for the ignition signal input cord 6 are provided. The power cord 4, the engine sound output cord 5, and the ignition signal input cord 6 on the opposite side of the connection portion of the case 1 with the connection jack are all a vehicle body (not shown).
It is provided in.

Next, the system of the present invention will be described sequentially from the upstream side of the data flow with reference to FIG. The vehicle type selector 7 selects one of the above-mentioned select switches 2 according to preference and presses the selected switch to select a specific vehicle type that has been set. By this switch operation, the conversion ratio of the ignition signal of the ignition signal converter 8 and the sound source data of the sound source means 9 can be selected.

The ignition signal conversion device 8 has a function of converting an ignition signal of the own vehicle into an ignition timing (ignition signal) of a specific vehicle type selected by the vehicle type selector 7. The signal in the range from the slow to the red zone is adjusted to that of the selected specific vehicle type. When the engine of the own vehicle is started in a state where the information of the selected specific vehicle type is input, an ignition signal of the own vehicle engine is input to the ignition signal conversion device 8,
The input ignition signal is converted into an ignition timing corresponding to the rotation speed of the selected specific vehicle model and output to the engine sound generator 10.

For example, if the rotation speed of the red zone of the own vehicle is 4000 RPM or more, and if the red zone of the selected specific vehicle type is 8000 RPM or more, when the ignition signal of the own vehicle is 2000 RPM,
The selected specific vehicle type outputs an ignition timing of 4000 RPM. In practice, simply setting the relationship between the ignition signal and the ignition timing to a simple proportional relationship may not sufficiently produce the engine sound. Therefore, it is desirable to make corrections as necessary.

Although the ignition signal of the own vehicle can be directly detected from the engine of the own vehicle or taken out from the circuit of the spark plug, it can also be obtained by branching from a tachometer (tachometer) of the engine. is there.

The sound source means 9 is a storage circuit for storing sound source data of engine sounds of a plurality of vehicle types such as an F1 car and a rally car, and stores sound source data corresponding to a specific vehicle type selected by the vehicle type selector 7 into an engine sound. Output to the generator 10.

The engine sound generator 10 generates an engine sound of a specific vehicle type based on signals output from the ignition signal converter 8 and the sound source means 9.
And a car radio device 12 which is supplied with a signal from the engine sound generation circuit and emits sound.

The engine sound generation circuit 11 converts the converted ignition signal input from the ignition signal conversion device 8
And has the function of converting the selected sound source data input from the engine sound to the engine sound of the rotation speed of the selected specific vehicle type corresponding to the rotation speed in accordance with the ignition signal of the own vehicle. For example, in the case of the above-described rotation value, when the own vehicle is rotating at 2000 RPM, 4000 RPM of the selected specific vehicle type is used.
Can be output. The engine sound data of the selected specific vehicle type synthesized by the engine sound generation circuit 11 is output to the car radio device 12, where it is converted into engine sound and emitted into the vehicle via the speaker 13 as an example of sound generating means. Be sounded. The speaker 13 is electrically connected to the engine sound output cord 5.

That is, the engine sound producing apparatus according to the present invention selects a specific specific vehicle model from a plurality of vehicle types, synchronizes with the ignition timing of the own vehicle, and emits the engine sound of the specific vehicle model into the own vehicle. This is an on-vehicle engine sound effect device that creates an atmosphere as if riding a vehicle.

If a stereo sound device is employed as the car radio device 12, it is possible to output a realistic engine sound. The engine sound effect device according to the present invention is more effectively used when traveling on a suburb or an expressway than when traveling on an urban area. At the start of use, when the power switch 2a provided on the front of the cover 1 is pressed, the backlight of the display unit 3 is turned on, and a message prompting selection of a vehicle type is displayed. Here, when any one of the select switches 2 is selected and pressed, the engine sound generating device 10 operates and the speaker 13 is turned on.
The engine sound of the specific model selected from the above is emitted toward the inside of the vehicle. The engine sound is such that when the accelerator is pressed strongly to increase the rotation speed of the own vehicle, for example, when the rotation speed of the own vehicle is 5000 RPM in the above example, the engine sound of the selected specific vehicle type is a sound equivalent to 10000 RPM. Will occur. Of course, when the vehicle is traveling at a low speed, the engine sound generates an engine sound corresponding to the rotation of the specific model. For this reason, even when driving a vehicle other than the specific vehicle type such as the F1 car, it is possible to enjoy the atmosphere of driving the vehicle of the selected specific specific vehicle type such as the F1 car.

When a sound stereo device is employed as the car radio device 12, the engine sound can be increased from the rear speaker 13, so that the engine sound is emitted from the muffler of the own vehicle. It is possible to create an atmosphere as if you were. The volume of the engine sound can be adjusted by operating the volume of the car radio device 12.

In addition to the above-mentioned engine sound, by adding road noise, wind noise and the like during traveling, it is possible to produce an atmosphere of riding on the selected specific vehicle type. In this case, each sound may be shared and emitted by a plurality of speakers.

In addition, as the sound source data, an engine sound of another vehicle such as a motorcycle or a motor boat other than the four-wheeled vehicle may be employed. These sound source data can be stored in a storage medium such as a ROM card, and by exchanging the data, various types of engine sounds can be enjoyed.

[0028]

According to the present invention, it is possible to enjoy the atmosphere of a specific type of car, such as a supercar or a rally car, while driving, thereby satisfying the longing for an expensive car. Can be. In addition, when the traveling distance is long, there is a risk of falling asleep due to fatigue. However, by enjoying various engine sounds, it is possible to reduce boring, so that the falling asleep can be prevented.

[Brief description of the drawings]

FIG. 1 is a block diagram showing a configuration of the present invention.

FIG. 2 is a perspective view showing the appearance of one embodiment.

[Explanation of symbols]

 7 vehicle type selector 8 ignition signal conversion device 9 sound source means 10 engine sound generation device 11 engine sound generation circuit 12 car radio device

────────────────────────────────────────────────── ─── Continued on the front page (51) Int.Cl. ⁶ Identification code FI B60Q 5/00 660 B60Q 5/00 660E 670 670D

Claims (3)

[Claims] 1. A vehicle in which a specific specific vehicle model is selected from a plurality of vehicle types, synchronized with the ignition timing of the own vehicle, and an engine sound of the specific vehicle type is emitted into the own vehicle, thereby riding the specific vehicle type. An on-vehicle engine sound producing device for producing an atmosphere, which can be attached to a position operable from a driver's seat in the own vehicle, a vehicle type selector for selecting the specific vehicle type, and the vehicle type selector for transmitting an ignition signal of the own vehicle. An ignition signal conversion device for converting the ignition timing of the specific vehicle type selected by the vehicle type, and sound source data of engine sounds of a plurality of vehicle types selectable by the vehicle type selector, and the specific vehicle type selected by the vehicle type selector Sound source means for outputting the sound source data corresponding to the above, and the characteristic based on signals output from the ignition signal conversion device and the sound source means. Automotive engine sound arrangement apparatus characterized by and an engine sound generation apparatus for generating a model of engine sound. 2. The engine sound generating device according to claim 1, wherein the engine sound generating device generates an engine sound of the specific vehicle model based on signals output from the ignition signal converting device and the sound source means. An in-vehicle engine sound effect device comprising: a car radio device to which a signal from an engine sound generation circuit is supplied. 3. The on-vehicle engine sound effect device according to claim 2, wherein the car radio device has a stereo sound function.