CN104960465B - Simulate sound generation device and simulated sound production method - Google Patents
Simulate sound generation device and simulated sound production method Download PDFInfo
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- CN104960465B CN104960465B CN201510241267.4A CN201510241267A CN104960465B CN 104960465 B CN104960465 B CN 104960465B CN 201510241267 A CN201510241267 A CN 201510241267A CN 104960465 B CN104960465 B CN 104960465B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
- B60Q5/00—Arrangement or adaptation of acoustic signal devices
- B60Q5/005—Arrangement or adaptation of acoustic signal devices automatically actuated
- B60Q5/008—Arrangement or adaptation of acoustic signal devices automatically actuated for signaling silent vehicles, e.g. for warning that a hybrid or electric vehicle is approaching
Abstract
One kind simulation sound generation device and simulated sound production method.Control unit (110) is according to vehicle (CR) current location, with reference to the information for the presence or absence of being stored in the cartographic information (MPD) in memory cell (120) Nei runway in opposite directions, determine the road that vehicle (CR) is travelling whether there is opposite runway.Control unit (110) the presence or absence of opposite runway, coverage area of the simulated sound certainly exported outside directional vehicle determined by.Then, control unit (110) determines the setting volume of simulated sound exported from the left and right loudspeaker of simulated sound generation unit (130) according to the coverage area determined.As a result, the simulated sound of volume corresponding with setting volume is exported to outside car from the left and right loudspeaker of simulated sound generation unit (130).Therefore, it is possible to consider with traveling in road whether there is opposite runway situation accordingly change around there are report objects while, suitably carry out simulated sound volume control.
Description
The application is the application for a patent for invention (international application no of original bill Application No. 201080066971.6：PCT/
JP2010/055169, the applying date：On March 25th, 2010, denomination of invention：Simulate sound generation device and simulated sound production method)
Divisional application.
Technical field
The present invention relates to simulation sound generation device and simulated sound production method.
Background technology
In recent years, using battery as the electric automobile of drive force source, the hybrid electric vehicle using battery as part drive force source just
Popularizing.Such vehicle using battery as drive force source in the case where being travelled, compared to conventional using gasoline as power
Vehicle, the level of the driving sound outside car is very low.As a result, the people that pedestrian or cycling can occur do not discover in the presence of from
The situation of the vehicle for being closely located to itself outside the visuals field such as rear.The generation of the above situation turns into serious in traffic safety
The problem of.
It is proposed to this end that by it is corresponding with the travel conditions of vehicle traveling voice output to car outside technology (patent document 1：
Hereinafter referred to as " conventional example 1 ").In the technology of the conventional example 1, opened according to speed, as rotating speed, the throttle of the motor of power source
The testing results such as degree, analog acoustic signal is generated, and front etc. exports simulated sound to outside car from loudspeaker.Also, according to vehicle just
In the regional species of traveling, execution/non-executing of control simulation voice output.
In addition, it is proposed that although not being by simulated engine voice output corresponding with the travel conditions of vehicle to the skill outside car
Art, but be pointed to the pedestrian in front of the travel direction of vehicle and notify vehicle close technology (patent document 2 automatically：Hereinafter referred to as
For " conventional example 2 ").In the technology of the conventional example 2, the object being present in front of travel direction is detected.Also, detecting this
In the case of object, from loudspeaker to the object output notice sound.
Citation
Patent document
Patent document 1：Japanese Unexamined Patent Publication 2005-253236 publications
Patent document 2：Japanese Unexamined Patent Publication 7-209424 publications
The content of the invention
Problems to be solved by the invention
In the technology of above-mentioned conventional example 1, the regional species that is being travelled according to vehicle, control simulation voice output is held
Row/non-executing, but the control of simulation voice output that the situation of road not travelled to vehicle takes in.Its
As a result, the regional species that vehicle is travelling can not then carry out the pedestrian to surrounding, bicycle etc. and deposit if identical type
The simulated sound output control that is considered of possibility.
In addition, in the technology of above-mentioned conventional example 2, the situation of output notice sound is only limitted to detect the presence of in travel direction
The situation of the object in front.As a result, there is pedestrian, bicycle etc. and can not detect it in the shaded side such as in building
In the presence of, the close of vehicle can not be notified.
For this reason, it may be necessary to a kind of also can suitably notify leaning on for vehicle for that can not detect existing pedestrian, bicycle etc.
Near technology.Here, it will meet that the demand is enumerated as one of problem of the invention that should be solved.
The present invention is to research and develop in view of the foregoing, it is an object of the invention to provide one kind simulation sound generation device with
And simulated sound production method, it can consider to have a report objects around change corresponding with the category of roads in traveling
While energy property, simulated sound output control is suitably carried out.
According to the 1st viewpoint, the present invention is a kind of simulation sound generation device, and it is equipped on vehicle, to the outside of the vehicle
Export simulated sound, it is characterised in that the simulation sound generation device possesses control unit, and the control unit is determining the vehicle just
Opposite runway is whether there is in the width of the road of traveling and the road, is being defined as the width of the road than the 1st threshold value
It is wide and in the case of the opposite runway being present, the volume of the simulated sound is controlled, to cause the simulated sound to arrive
Scope up to opposite runway side is that the area of simulated sound coverage area is minimum.
According to the 2nd viewpoint, the present invention is used in a kind of outside simulation sound generation device for exporting simulated sound to vehicle
Simulated sound production method, the simulated sound production method is characterised by, including：Step is determined, is determining the vehicle
The width of the road of traveling and the road whether there is opposite runway；And rate-determining steps, it is being defined as the width of the road
The threshold values of Du Bi 1 are wide and in the case of the opposite runway being present, the volume of the simulated sound are controlled, to cause
It is minimum to state the scope i.e. area of simulated sound coverage area of the opposite runway side of simulated sound arrival.
Brief description of the drawings
Fig. 1 is the block diagram for illustrating the structure of the simulation sound generation device of the 1st embodiment of the present invention.
Fig. 2 is the block diagram for illustrating the structure of the simulation sound generation device of the 2nd embodiment of the present invention.
Fig. 3 is the block diagram for illustrating the structure of the guider of one embodiment of the present of invention.
Fig. 4 is the figure for illustrating the structure of Fig. 3 simulated sound generation unit.
Fig. 5 is for illustrating that the simulated sound of Fig. 3 control unit produces the flow chart of control process.
Fig. 6 is the flow chart handled for illustrating Fig. 5 the 1st road width.
Fig. 7 is the figure for illustrating the coverage area of the simulated engine sound of the 1st of Fig. 6 the stable output processing.
Fig. 8 is for illustrating that Fig. 6 the 1st expanded scope exports the figure of the simulated engine sound coverage area of processing.
Fig. 9 is the flow chart handled for illustrating Fig. 5 the 2nd road width.
Figure 10 is the figure for illustrating the simulated engine sound coverage area of the 2nd of Fig. 9 the stable output processing.
Figure 11 is the figure for illustrating the simulated engine sound coverage area of the 3rd of Fig. 9 the stable output processing.
Figure 12 is the flow chart handled for illustrating Fig. 5 the 3rd road width.
Figure 13 is the figure for illustrating the simulated engine sound coverage area of the 4th of Figure 12 the stable output processing.
Embodiment
Below, embodiments of the present invention are explained with reference to.In addition, in following explanation and accompanying drawing, for
Identical or equal key element adds identical symbol, and the repetitive description thereof will be omitted.
[the 1st embodiment]
First, reference picture 1 come illustrate the present invention the 1st embodiment.
<Structure>
Figure 1 illustrates the structure of the simulation sound generation device 700A of the 1st embodiment summary.Such as Fig. 1 institutes
Show, simulation sound generation device 700A is equipped on vehicle CR.
The simulation sound generation device 700A possesses storage part 710 and position detection part 720.In addition, simulated sound produces dress
Put 700A and possess determination section 740A, control unit 750 and simulated sound generating unit 760A.
The various information utilized in sound generation device 700A is simulated are stored in above-mentioned storage part 710.Such
Include cartographic information in information.Include road width information in the cartographic information, opposite runway whether there is information.
Above-mentioned position detection part 720 detects to vehicle CR current location.Worked as by what position detection part 720 detected
Front position is sent to determination section 740A.
Above-mentioned determination section 740A receives the vehicle CR sent from position detection part 720 current location.Then, determination section
740A, with reference to the cartographic information in storage part 710, determines simulated sound generating unit 760A to outside car according to vehicle CR current location
The scope (hreinafter referred to as " coverage area ") that the simulated sound of output should reach.The coverage area of the simulated sound determined is sent out
It is sent to control unit 750.In addition, determine that processing will be aftermentioned on what is carried out by determination section 740A.
Above-mentioned control unit 750 receives the coverage area sent from determination section 740A.Then, control unit 750 will realize that this is arrived
Simulated sound generating unit 760A is sent to up to the sound volume setting needed for scope.
Above-mentioned simulated sound generating unit 760A is configured to possess analog acoustic signal generating unit, volume adjusting portion and loudspeaker.
In this 1st embodiment, simulated sound generating unit 760A possess to vehicle CR left front export sound left speaker and
Right loudspeaker the two loudspeakers of sound are exported to vehicle CR right front.In addition, above-mentioned control unit 750 is raised one's voice to a left side respectively
Device and right loudspeaker carry out sound volume setting independently of each other.
Simulated sound generating unit 760A receives the sound volume setting from control unit 750.Also, in simulated sound generating unit 760A
In, volume adjusting portion carries out volume adjusting according to sound volume setting to analog acoustic signal caused by analog acoustic signal generating unit, and
Outside output simulated sound from from loudspeaker to vehicle CR.
<Action>
Next, the action to simulation sound generation device 700A as constituted above illustrates.In addition, position detection part
720 couples of vehicle CR current location is detected, and the current location detected is regularly sent into determination section 740A.
The determination section 740A of vehicle CR current location is received according to the current location and with reference to the ground in storage part 710
Figure information, determine the width for the road that vehicle CR is currently being travelled.Then, road width determined by determination section 740A progress
Whether it is the 1st threshold determination below the 1st threshold value.Here, it is not easy each other staggeredly according to vehicle and pedestrian is present, bicycle
In viewpoint as the possibility that the both sides of road are passed through, predefined " the 1st threshold value " based on investigation, experience etc..
In the case where the result of the 1st threshold determination is affirmative, determination section 740A is left by the direct of travel on vehicle CR
Right symmetrical 1st prescribed limit is determined as coverage area.Here, according to the pedestrian to the both sides of the road below the 1st threshold value, voluntarily
Car arouses viewpoint as the close attention of vehicle, is predefined " the 1st prescribed limit " based on experiment, emulation, experience etc..
In the case where above-mentioned 1st threshold determination is negative, determination section 740A is according to the current location and with reference to storage part
Cartographic information in 710, it is made whether it is that the opposite runway travelled on the road of opposite runway is envisioned for is sentenced
It is fixed.In the case where the result that the opposite runway judges is negative, determination section 740A is for the direct of travel on vehicle CR
Have pedestrian etc. be present near possibility side (be left side in legal system provides the current country of vehicle left side,
It is right side that legal system, which is provided in the current country of vehicle right side,：Hereinafter also referred to " pedestrian side "), by than the situation of the 1st prescribed limit
Wide scope (hereinafter also referred to " pedestrian side expanded scope ") is determined as simulated sound coverage area.On the other hand, driving a vehicle in opposite directions
Road judge result be affirmative in the case of, determination section 740A by the opposite runway side of relative vehicle CR direct of travel, i.e.
The area that can not possibly have the side of pedestrian etc. is determined as coverage area for minimum scope.
So, when coverage area is determined, the coverage area determined is sent to control unit 750 by determination section 740A.
The control unit 750 for receiving coverage area calculates setting volume.
Here, in the case where coverage area is the 1st prescribed limit, control unit 750 calculates the 1st setting volume and raised as a left side
The setting volume of sound device and right loudspeaker.In addition, according to the viewpoint for reaching above-mentioned 1st prescribed limit, based on experiment, emulation,
Experience etc. and predefine " the 1st setting volume ".
In addition, in the case where coverage area is pedestrian side expanded scope, control unit 750 will set what is given great volume than the 1st
Setting volume is calculated as the setting volume of the loudspeaker of pedestrian side.On the other hand, the 1st setting volume is calculated as by control unit 750
The setting volume of the loudspeaker of the opposing party.
In addition, in the case where coverage area is to be minimum scope in opposite runway side, control unit 750 is by opposite row
The setting volume of the loudspeaker of track side is set to 0.On the other hand, the 1st setting volume is calculated as raising for the opposing party by control unit 750
The setting volume of sound device.
In addition, in this 1st embodiment, control unit 750 is set to capable with reference to the road width information in storage part 710
The width of road in sailing is wider, and the setting volume of the loudspeaker of pedestrian side is bigger.
After so calculating setting volume, the setting volume calculated is sent to simulated sound generating unit by control unit 750
760A.Also, when receiving the setting volume, simulated sound generating unit 760A carries out the same of volume adjusting according to sound volume setting
When, the outside output simulated sound from loudspeaker to vehicle CR.
As described above, in this 1st embodiment, vehicle CR that determination section 740A detects according to position detection part 720
Current location, with reference to the road width information in storage part 710, to determine the width of road that vehicle CR travelling.And
And determination section 740A roads width determined by, the coverage area of the simulated sound certainly exported outside directional vehicle.Then, control
Portion 750 calculates setting from the simulated sound of simulated sound generating unit 760A left and right loudspeaker output according to the coverage area determined
Accordatura amount.As a result, volume corresponding with setting volume is exported to outside car from simulated sound generating unit 760A left and right loudspeaker
Simulated sound.
Therefore, according to this 1st embodiment, can carry out for being deposited around change corresponding with the category of roads in traveling
In the output control for the simulated sound that the possibility of report objects is considered.
In addition, in this 1st embodiment, determination section 740A is in the feelings that identified road width is below the 1st threshold value
Under condition, coverage area will be determined as on symmetrical 1st prescribed limit of vehicle CR direct of travel.In addition, determination section
740A is wider than the 1st threshold value in identified road width and in the absence of in the case of opposite runway, on vehicle CR's
Direct of travel has the side that pedestrian etc. is present in neighbouring possibility, and the scope wider than the situation of the 1st prescribed limit is determined as
The coverage area of simulated sound.Moreover, determination section 740A is wider than the 1st threshold value in identified road width and opposite driving be present
In the case of road, by the opposite runway side of relative vehicle CR direct of travel, the face for the side that can not possibly have pedestrian etc.
Product is determined as coverage area for minimum scope.
Therefore, can be while the existing possibility of report objects be considered, with reasonable according to this 1st embodiment
Output volume export simulated sound.
[the 2nd embodiment]
Next, reference picture 2 come illustrate the present invention the 2nd embodiment.
<Structure>
The structure of the simulation sound generation device 700B of the 2nd embodiment summary is shown in Fig. 2.As shown in Figure 2,
Sound generation device 700B is simulated in the same manner as the simulation sound generation device 700A, is equipped on vehicle CR.
Differences of the above-mentioned simulation sound generation device 700B compared with simulating sound generation device 700A is：Instead of determining
Portion 740A and possess determination section 740B, possess simulated sound generating unit 760B instead of simulated sound generating unit 760A and be also equipped with
Obtaining section 730 and calculating part 735.Below, these distinctive points are mainly focused on to illustrate.
In addition, in this 2nd embodiment, the current location detected by position detection part 720 is sent to calculating part
735 and determination section 740B.
Above-mentioned obtaining section 730 obtains vehicle CR direct of travel.The direct of travel obtained by obtaining section 730 is sent to meter
Calculation portion 735 and determination section 740B.
In addition, obtaining section 730 obtains the speed information detected by the vehicle speed sensor for being installed on vehicle CR.By obtaining section
730 speed informations obtained are sent to determination section 740B.
In addition, obtaining section 730 is obtained among the physical quantity detected by the other various sensors for being installed on vehicle CR
The rotary speed information of the throttle information such as the throttle amount of treading in and motor etc..Throttle information and the rotating speed letter obtained by obtaining section 730
Breath is sent to simulated sound generating unit 760B.
The calculating part 735 receives the vehicle CR sent from position detection part 720 current location and from obtaining section
The 730 vehicle CR sent direct of travel.Also, current location and direct of travel of the calculating part 735 according to vehicle CR, reference
Cartographic information in storage part 710, calculate the friendship away from the road that the vehicle CR on the direct of travel is being travelled with other roads
Vent is set to operating range (hereinafter referred to as " calculating distance ") only.The calculating distance is sent to determination section 740B.
Above-mentioned determination section 740B receives the vehicle CR sent from position detection part 720 current location, sent out from obtaining section 730
The direct of travel and speed information that send and the calculating distance sent from calculating part 735.Also, determination section 740B is according to vehicle
CR current location, direct of travel, speed information and calculating distance, with reference to the cartographic information in storage part 710, is determined simultaneously
The coverage area for the simulated sound that simulated sound generating unit 760B exports to outside car.The coverage area of the simulated sound determined is sent to
Control unit 750.In addition, determine that processing will be aftermentioned on what is carried out by determination section 740B.
Above-mentioned simulated sound generating unit 760B is configured to possess analog acoustic signal in the same manner as above-mentioned simulated sound generating unit 760A
Generating unit, volume adjusting portion, left speaker and right loudspeaker, but the function of analog acoustic signal generating unit is given birth to simulated sound
Situation into portion 760A is different.In simulated sound generating unit 760B, analog acoustic signal generating unit receives throttle information and rotating speed
Information.Also, mould of the analog acoustic signal generating unit generation with waveform corresponding with the combination of throttle information and rotary speed information
Onomatopoeia signal.
<Action>
Next, the action to simulation sound generation device 700B as constituted above illustrates.In addition, position detection part
720 couples of vehicle CR current location is detected, and the current location detected is regularly sent into calculating part 735 and determined
Determine portion 740B.In addition, obtaining section 730 periodically obtains vehicle CR direct of travel, speed information, throttle information and rotating speed letter
Breath, is sent to calculating part 735 and determination section 740B by acquired direct of travel, acquired speed information is sent to certainly
Determine portion 740B, and acquired throttle information and rotary speed information are sent to simulated sound generating unit 760B.
When receiving vehicle CR current location and direct of travel, calculating part 735 is with reference to the map in storage part 710
Information calculates the operating range untill the crossover location away from the vehicle CR roads travelled and other roads on the direct of travel.
Also, calculating part 735 is sent to determination section 740B by distance is calculated.
Receive vehicle CR current location, speed information and calculate the determination section 740B of distance and believed first according to speed
Cease and set predetermined distance.Here, determination section 740B is made according to for notice close the vehicle CR that will be carried out using simulated sound
Ensure the appropriate viewpoint for reaching the time needed for crossover location for effectively warning, accordingly set with speed the regulation away from
From.
Then, determination section 740B carries out calculating whether distance is crossover location range estimation below predetermined distance.At this
In the case that the result of crossover location range estimation is negative, the decision of the coverage area same with above-mentioned determination section 740A is carried out
Processing.
In addition, in this 2nd embodiment, whether the width of road during determination section 740B is further travelled is the
Judgements more than 2 threshold values.The result of the judgement be negative and above-mentioned crossover location range estimation result be affirmative feelings
Under condition, width is that the 2nd minimum prescribed limit is determined as coverage area by determination section 740B.Here, " the 2nd threshold value " is as at a high speed
Road can say the road width almost without pedestrian etc. in the either side of left and right like that, according to investigation,
Experience etc. and predefine should " the 2nd threshold value ".
On the other hand, in the case where the result of crossover location range estimation is affirmative, determination section 740B is with reference to storage part
710 cartographic information, judge road and other roads in traveling be to the left, any extension of right side and the left and right sides
Mode extends.Also, in the case where other roads only extend to the left, following scope is determined as reaching model by determination section 740B
Enclose：It is wider than the situation of the 1st prescribed limit in vehicle CR direct of travel side and left side and including at least including crossover location.
In addition, in the case where other roads only extend to the right, following scope is determined as reaching model by determination section 740B
Enclose：It is wider than the situation of the 1st prescribed limit in vehicle CR direct of travel side and right side and including at least including crossover location.
Moreover, in the case of the both sides extension to the left and right of other roads, following scope is determined as coverage area by determination section 740B：On
Vehicle CR direct of travel is symmetrical and wider than the 1st prescribed limit and intersects position including at least the side close with vehicle CR
Including putting.
In addition, in this 2nd embodiment, in determination section 740B so that calculate shorter, the width of coverage area of distance
Narrower, at the time of distance is calculated as 0, coverage area turns into the scope same with the scope determined in the 1st embodiment.
So, when coverage area is determined, the coverage area determined is sent to control unit 750 by determination section 740B.
The control unit 750 for receiving coverage area calculates setting volume corresponding with coverage area.In addition, in the minimum feelings of coverage area
Under condition, control unit 750 will be set to 0 from the setting volume of left speaker and the simulated sound of right loudspeaker output.
After setting volume is so calculated, the setting volume calculated is sent to simulated sound generating unit by control unit 750
760B.Also, when receiving the setting volume, simulated sound generating unit 760B carries out volume adjusting according to sound volume setting, simultaneously
Outside output mould corresponding with the analog acoustic signal according to throttle information and rotary speed information generation from from loudspeaker to vehicle CR
Onomatopoeia.
As described above, in this 2nd embodiment, in the same manner as above-mentioned 1st embodiment, determination section 740B is according to position
The current location for the vehicle CR that test section 720 detects, vehicle CR rows are determined with reference to the road width information in storage part 710
The width of road in sailing.Also, determination section 740B roads width determined by, the simulated sound certainly exported outside directional vehicle
Coverage area.Then, control unit 750 is calculated and raised one's voice from simulated sound generating unit 760B left and right according to the coverage area determined
The setting volume of the simulated sound of device output.As a result, export and set to outside car from simulated sound generating unit 760B left and right loudspeaker
The simulated sound of volume corresponding to accordatura amount.
Therefore, according to this 2nd embodiment, can carry out around for accordingly changing with the category of roads in traveling
There is the output control for the simulated sound that report objects are considered.
In addition, in this 2nd embodiment, from vehicle CR current location to vehicle CR direct of travel on away from its
It is same with above-mentioned 1st embodiment when distance untill the crossover location of its road is longer than the predetermined distance set according to speed
Ground, determination section 740B are left by the direct of travel on vehicle CR in the case where identified road width is below the 1st threshold value
Right symmetrical 1st prescribed limit is determined as coverage area.In addition, determination section 740B in identified road width than the 1st threshold value
It is wide and in the absence of in the case of opposite runway, for the direct of travel relative to vehicle CR to have pedestrian etc. to be present in attached
The side of near possibility, the scope wider than the situation of the 1st prescribed limit is determined as to the coverage area of simulated sound.Moreover, certainly
It is wider than the 1st threshold value in identified road width and in the case of opposite runway being present to determine portion 740B, will be in relative vehicle
The opposite runway side of CR direct of travel, the area for the side that can not possibly have pedestrian etc. are determined as minimum scope
Up to scope.
Therefore, according to this 2nd embodiment, while being capable of the existing possibility of report objects, reasonably to export
Volume exports simulated sound.
In addition, in this 2nd embodiment, from vehicle CR current location away from its on vehicle CR direct of travel
Distance untill the crossover location of its road is longer than the predetermined distance set corresponding to speed and vehicle CR travelings in road
The width on road be the 2nd threshold value more than in the case of, determination section 740B by width be the 2nd minimum prescribed limit be determined as reach model
Enclose.Therefore, it is possible to prevent the either side in left and right as super expressway from can say the possibility that pedestrian etc. almost be present
The output of useless simulated sound in the case of property.
In addition, in above-mentioned 1st and the 2nd embodiment, simulated sound generating unit 760A, 760B possesses with fixed sound
The left speaker and right loudspeaker this 2 loudspeakers of sound output, but for example can also at least possess 1 be placed in it is controllable
Loudspeaker on the part of rotation.
In addition, in above-mentioned 1st and the 2nd embodiment, it is contemplated that possess by oneself for simulation sound generation device and store
The position detection part that the storage part of cartographic information comprising road width information and current location to vehicle are detected.
On the other hand, in the function of at least one party during other devices have the storage part and position detection part, can also utilize
The function of other devices, obtain the current location of the road width information and/or vehicle in traveling.In the above situation
Under, the simulation sound generation device of the present invention is formed including the part of the function for playing other devices.
Furthermore it is possible to the simulation sound generation device of above-mentioned 1st and the 2nd embodiment is set to be configured to possess as operational part
Computer computer installation, the calculating part 735, determination section 740A, 740B and control are realized by configuration processor
The function in portion 750.These programs can both obtain under the form being recorded in the movable-type recording medium such as CD-ROM, DVD,
It can also be obtained under the form via the issue of the networks such as internet.
Embodiment
Below, 3~Figure 13 of reference picture come illustrate the present invention simulation sound generation device one embodiment.In addition, with
In lower explanation and accompanying drawing, identical symbol is marked for identical or equal key element, the repetitive description thereof will be omitted.
[structure]
In fig. 3 it is shown that the guider 100 of the function with the simulation sound generation device as one embodiment
The structure of summary.In addition, guider 100 is the simulation sound generation device 700B (reference picture 2) of above-mentioned 2nd embodiment
One form.
Guider 100 is equipped on the vehicle CR travelled on road.In vehicle CR, it is equipped with and guider
Vehicle speed sensor 210, throttle information sensor 220 and the rotary speed information sensor 230 of 100 connections.
Here, rotation of the vehicle speed sensor 210 to vehicle CR wheel or axletree detects.In addition, throttle information
Sensor 220 detects to throttle amount of treading in equivalent to accelerator open degree etc..In addition, rotary speed information sensor 230 is to suitable
Detected in the rotating speed of the motor of engine speed etc..
As shown in figure 3, guider 100 possess control unit 110, the memory cell 120 as storage part 710 and
Simulated sound generation unit 130 as simulated sound generating unit 760B.In addition, guider 100 possess voice output unit 140,
Display unit 150 and operation input unit 160.Moreover, guider 100 possess position detection part 720 a part and
The GPS receiver unit of a part as the driving information acquisition unit 170 of obtaining section 730 and as position detection part 720
180。
Described control unit 110 carries out overall control to whole guider 100.Will be aftermentioned on the control unit 110.
The memory cell 120 is made up of hard disk unit as Nonvolatile memory devices etc..Memory cell 120 stores
Using map information data MPD such as the road network data including being utilized in guider 100, road width data as each of representative
Kind data.Control unit 110 is able to access that the memory cell 120.
The simulated sound generation unit 130 receive from control unit 110 send throttle information AR, rotary speed information ER and
Set volume VLCL、VLCR.Also, simulated sound generation unit 130 is according to throttle information AR, rotary speed information ER and setting volume
VLCL、VLCRAnd simulated engine sound is generated, and exported to outside car.On the simulated sound generation unit 130 structure it is detailed in
Appearance will be aftermentioned.
Tut output unit 140 is configured to possess loudspeaker, by with the voice data that is received from control unit 110
Corresponding sound is output in car room.The voice output unit 140 is according to the control of control unit 110, output vehicle CR row
Enter direction, travel conditions, traffic, predetermined travel route change etc. guide guide sound.
Above-mentioned display unit 150 is configured to the display device for possessing liquid crystal panel etc., shows with being received from control unit 110
Image corresponding to the display data arrived.The display unit 150 is according to the control of control unit 110, show map information, route letter
Image, the guidance informations such as breath etc..
Aforesaid operations input block 160 is by the key portion that is set in the main part of guider 100 and/or possesses key
The remote entry unit in portion etc. is formed.Here, as the key portion set in main part, the display of display unit 150 can be used
The touch panel set in equipment.In addition it is also possible to instead of the structure of tool keyed portion, or and utilize sound with the structure and use
The structure that sound identification technology is inputted by sound.
Operate the operation input unit 160 by using person, carry out the movement content of guider 100 setting and/or
Action command.For example, user is carried out the specifying of destination, selected from the path searched for using operation input unit 160
Select the setting of travel route etc..Such input content is sent to control as operation input data from operation input unit 160
Unit 110 processed.
The driving information acquisition unit 170 is configured to possess acceleration transducer, angular-rate sensor etc., to acting on
Vehicle CR acceleration, angular speed is detected.In addition, driving information acquisition unit 170 is received from guider 100, carried
In the testing result that vehicle CR vehicle speed sensor 210, throttle information sensor 220 and rotary speed information sensor 230 are sent.
Also, the testing result sent from these sensors is converted to the form that can be handled by control unit 110.So pass through row
Each data obtained from sailing detection or conversion in information acquisition unit 170 are sent to control unit as running data
110。
Above-mentioned GPS receiver unit 180 calculates the current of vehicle CR according to the reception result of the electric wave from multiple gps satellites
Position.In addition, GPS receiver unit 180 carries out timing according to the date-time information sent out from gps satellite to current time.With
The information of these current locations and current time correlation is sent to control unit 110 as gps data.
Next, described control unit 110 is illustrated.The control unit 110 is configured to possess central processing unit
And its peripheral circuit (CPU).Control unit 110 performs various programs, is achieved in as above-mentioned calculating part 735, determination section
740B and control unit 750 function.
Control unit 110 is according to the running data sent from driving information acquisition unit 170 and from GPS receiver unit
180 gps datas sent, the appropriate data with reference in memory cell 120, provide to user at the offer of navigation information
Reason.Include in the offer processing of such navigation information：(a) be used for by the regional map denotation specified by user to show
Show that the map denotation in the display device of unit 150, (b) calculate vehicle CR and be located at where on map and towards which side
Position, shown in the display device of display unit 150 and be prompted to the map match of user, (c) in order to build exactly
That discusses direction that should be advanced etc. and carry out is used for control, the Yi Jiyong of the display device display guide guide to display unit 150
The processing of the control of sound of guide guide etc. is carried out in the loudspeaker output from voice output unit 140.
In addition, matching result, the acquirement result of speed and map information data MPD come control unit 110 according to the map
Calculate setting volume VLCL、VLCR, and the setting volume VLC that will be calculatedL、VLCRIt is sent to simulated sound generation unit 130.Close
Will be aftermentioned in above-mentioned calculating processing.
In addition, control unit 110 as throttle information AR and turns throttle information and the acquirement result of rotary speed information
Fast information ER is sent to simulated sound generation unit 130.
Then, the structure of above-mentioned simulated sound generation unit 130 is illustrated.As shown in figure 4, simulated sound generation unit
130 possess analog acoustic signal generating unit 131 and DA (Digital to Analogue) converter section 132.In addition, simulated sound generates
Unit 130 possesses volume adjusting portion 133L、133R, power amplification portion 134L、134RAnd loudspeaker 135L、135R。
Above-mentioned analog acoustic signal generating unit 131 receives the throttle information AR and rotary speed information sent from control unit 110
ER.Then, the combination that analog acoustic signal generating unit 131 is read with the throttle information AR and rotary speed information ER is registered in association
To the waveform patterns in the waveform form of inside.Also, analog acoustic signal generating unit 131 is according to the waveform patterns of reading, output
Simulated engine acoustical signal as data signal.The simulated engine acoustical signal so generated is sent to DA converter sections 132.
Above-mentioned DA converter sections 132 are configured to possess D/A converter.The DA converter sections 132 are received from analog acoustic signal generating unit
The 131 simulated engine acoustical signals sent.Also, simulated engine acoustical signal is converted to analog signal by DA converter sections 132.It is logical
Analog-converted signal is sent to volume adjusting portion 133 obtained from crossing the conversion of DA converter sections 132L、133R。
Above-mentioned volume adjusting portion 133L、133RIt is respectively structured as possessing electronic sound volume element etc..These volume adjusting portions
133L、133RAccording to the setting volume VLC sent from control unit 110L、VLCR, the simulation sent from DA converter sections 132 is turned
Change signal and implement volume adjusting processing.As volume adjusting portion 133L、133RRespective regulation result volume adjustment signals quilt
It is sent to power amplification portion 134L、134R。
The power amplification portion 134L、134RIt is respectively structured as possessing power amplifier.These power amplification portions 134L、
134RReceive from volume adjusting portion 133L、133RThe volume adjustment signals of transmission.Also, power amplification portion 134L、134RIt is right respectively
The volume adjustment signals received carry out power amplification.As power amplification portion 134L、134RThe output sound of respective amplification result
Sound signal is sent to loudspeaker 135L、135R。
Above-mentioned loudspeaker 135LVehicle CR is arranged in a manner of the left front for making vehicle CR turns into sound outbound course.Should
Loudspeaker 135LAccording to from power amplification portion 134LThe output voice signal of transmission, by simulated engine voice output to vehicle CR's
Left front.
The loudspeaker 135RVehicle CR is arranged in a manner of the right front for making vehicle CR turns into sound outbound course.Should
Loudspeaker 135RAccording to from power amplification portion 134RThe output voice signal of transmission, by simulated engine voice output to vehicle CR's
Right front.
[action]
On the action of guider 100 as constituted above, control when producing simulated engine sound is mainly focused on
The processing of unit 110 and illustrate.Vehicle speed sensor 210, throttle information sensor 220 and rotary speed information sensor 230
Detection operation is carried out, testing result is sent to guider 100.In addition, control unit 110 whenever receive throttle information pass
During the testing result of sensor 220 and rotary speed information sensor 230, immediately by the throttle information AR for reflecting the testing result with
And rotary speed information ER is sent to simulated sound generation unit 130.
As shown in figure 5, when controlled caused by simulated sound, first in step s 11, the base area of control unit 110
Figure matching result, determine vehicle CR current location and direct of travel.In addition, control unit 110 is according to vehicle speed sensor 210
Testing result, determine vehicle CR speed.
Next, in step s 12, current location and direct of travel of the control unit 110 according to vehicle CR, reference are deposited
Map information data MPD in storage unit 120, it is determined that on the direct of travel away from the road that vehicle CR is being travelled with it is other
Operating range (CPD) untill the ensuing crossover location of road.Then, in step s 13, control unit 110 is according to car
Speed calculate away from the crossover location untill reference range (TCD).Here, it is in order that obtaining to calculate reference range corresponding with speed
As using simulated engine sound carry out to vehicle CR will be close crosspoint nearby carry out warning it is effective.
Then, in step S14, control unit 110 is according to vehicle CR current location, with reference in memory cell 120
Map information data MPD, determine the width (LDW) of the road in vehicle CR travelings.Then, in step S15, control unit
Whether road width (LDW) determined by 110 judgements is below the 1st threshold value TW1.Here, exist according in vehicle CR both sides
From the viewpoint of the possibility height of pedestrian etc., " the 1st threshold value TW1 " is predefined based on investigation, experience etc..
The result of judgement in step S15 is situation (the step S15 of affirmative：It is) under, processing enters step S16.
In step S16, control unit 110 carries out the processing of the 1st road width, and calculates setting volume VLCL、VLCR.On the above-mentioned 1st
Road width processing will be aftermentioned.
The result of judgement in step S15 is situation (the step S15 of negative：It is no) under, processing enters step S17.
In step S17, control unit 110 judges whether identified road width (LDW) is more than 2nd threshold value TW2.Here, root
According to as super expressway left and right either side can say almost there is no pedestrian etc. in the case of,
Road width it is wider so from the viewpoint of, " the 2nd threshold value TW2 " is predefined based on investigation, experience etc..
The result of judgement in step S17 is situation (the step S17 of negative：It is no) under, processing enters step S18.
In step S18, control unit 110 carries out the processing of the 2nd road width, and calculates setting volume VLCL、VLCR.On the above-mentioned 2nd
Road width processing will be aftermentioned.
The result of judgement in step S17 is situation (the step S17 of affirmative：It is) under, processing enters step S19.
In step S19, control unit 110 carries out the processing of the 3rd road width, calculates setting volume VLCL、VLCR.On the above-mentioned 3rd
Degree of having a lot of social connections processing will be aftermentioned.
Volume VLC is set when being calculated in some of above-mentioned steps S16, S18, S19L、VLCRWhen, control unit 110
The setting volume VLC that will be calculatedL、VLCRIt is sent to simulated sound generation unit 130.Then, processing returns to step S11.It
Afterwards, repeat step S11~S19 processing, setting volume VLC is calculated successivelyL、VLCR.Also, the setting volume VLC calculatedL、
VLCRIt is sent to simulated sound generation unit 130.
In simulated sound generation unit 130, according to the throttle information AR and rotary speed information sent from control unit 110
ER, analog acoustic signal generating unit 131 generate simulated engine acoustical signal.Then, DA converter sections 132 are by simulated engine acoustical signal
Be converted to analog-converted signal.
Next, volume adjusting portion 133L、133RAccording to the setting volume VLC calculated by control unit 110L、VLCR,
Volume adjusting processing is implemented to analog-converted signal.Also, volume adjusting portion 133LVolume adjusting result is sent into power to put
Big portion 134L, and volume adjusting portion 133RVolume adjusting result is sent to power amplification portion 134R.Then, by power amplification
Portion 134LThe output voice signal for carrying out power amplification and generating is sent to loudspeaker 135L, and by power amplification portion 134R
The output voice signal for carrying out power amplification and generating is sent to loudspeaker 135R。
As a result, from loudspeaker 135L, according to from power amplification portion 134LThe output voice signal of transmission, to vehicle CR's
Left front exports simulated engine sound.In addition, from loudspeaker 135R, according to from power amplification portion 134RThe output sound letter of transmission
Number, export simulated engine sound to vehicle CR right front.
《The processing of 1st road width》
Next, the 1st road width processing in above-mentioned steps S16 is illustrated.
As shown in fig. 6, when carrying out the processing of the 1st road width, first in the step s 21, control unit 110 is judged away from friendship
The operating range (CPD) that vent is put whether be the reference range (TCD) away from crossover location below.It is negative in the result of the judgement
Situation (step S21：It is no) under, processing enters step S22.
In step S22, control unit 110 carries out the 1st stable output processing.In the 1st stable output processing, control
Unit 110 will be determined as simulation hair on the symmetrical coverage area FPA of vehicle CR direct of travel (with reference to Fig. 7 described later)
The coverage area of motivation sound.Here, aroused according to the pedestrian of the both sides of the road of the width for below the 1st threshold value TW1, bicycle
The viewpoint of the close attention of vehicle, " coverage area FPA " is predefined based on experiment, emulation, experience etc..
Then, control unit 110 calculates loudspeaker 135 corresponding with coverage area FPALAnd loudspeaker 135RSetting
Volume VLCL、VLCR.Also, the setting volume VLC that control unit 110 will calculateL、VLCRIt is sent to simulated sound generation unit
130。
In addition, figure 7 illustrates for being travelled on the road LD1 that road width is below the 1st threshold value TW1
Vehicle CR, the coverage area FPA of the simulated engine sound determined in the 1st stable output processing example.
The result of judgement in above-mentioned steps S21 is situation (the step S21 of affirmative：It is) under, processing enters step
S23.In step S23, control unit 110 carries out the 1st expanded scope output processing.Handled in the 1st expanded scope output
In, control unit 110 judges that the road in traveling is with other roads with reference to the map information data MPD in memory cell 120
It is no to the left, a certain middle extension mode of right side and the left and right sides extends.Then, the feelings only extended to the left in other roads
Under condition, control unit 110 corresponds to the operating range away from crossover location, and following scope is determined as into coverage area：The scope exists
Vehicle CR direct of travel side and left side it is wider than the situation of prescribed limit and including at least including crossover location (with reference to aftermentioned
Fig. 8).
In addition, other roads only to the right extend in the case of, control unit 110 correspond to the traveling away from crossover location away from
From following scope is determined as into coverage area：The scope is in the feelings of vehicle CR direct of travel side and right side than prescribed limit
Condition is wide and including at least including crossover location.Moreover, in the case of the both sides extension to the left and right of other roads, control unit 110
Corresponding to the operating range away from crossover location, following scope is determined as coverage area：The traveling side of the scope on vehicle CR
To symmetrical, wider than coverage area FPA and including at least including crossover location.
In addition, in the present embodiment, in control unit 110, it is shorter to be set to the operating range away from crossover location, more reduces
The width of coverage area, at the time of the operating range away from crossover location is 0, coverage area turns into coverage area FPA (with reference to aftermentioned
Fig. 8).
Then, control unit 110 calculates loudspeaker 135 corresponding with the coverage area determinedLAnd loudspeaker 135R's
Set volume VLCL、VLCR.Also, the setting volume VLC that control unit 110 will calculateL、VLCRIt is sent to simulated sound generation
Unit 130.
In addition, figure 8 illustrates the car for just being travelled on the road LD1 that road width is below the 1st threshold value TW1
CR, in the case where only extending to the left with other road LDL of the intersection in traveling, exported in the 1st expanded scope
The example of the coverage area EPA of the simulated engine sound determined in processing change.
At the end of above-mentioned steps S22 or step S23 processing, end step S16 processing.Also, processing returns
To above-mentioned Fig. 5 step S11.
《The processing of 2nd road width》
Next, the 2nd road width processing in above-mentioned steps S18 is illustrated.
As shown in figure 9, when the 2nd road width is handled, first in step S31, control unit 110 is according to vehicle CR's
Current location, with reference to the map information data MPD in memory cell 120, judge whether there is opposite row in road under steam
Track.It is situation (the step S31 of negative in the result of the judgement：It is no) under, processing enters step S32.
In step s 32, control unit 110 judges whether the operating range (CPD) away from crossover location is away from crossover location
Reference range (TCD) below.It is situation (the step S32 of negative in the result of the judgement：It is no) under, processing enters step S33.
In step S33, control unit 110 carries out the 2nd stable output processing.In the 2nd stable output processing, control
Unit 110 is directed to the side for having pedestrian etc. to be present in neighbouring possibility of the direct of travel relative to vehicle CR, will be than above-mentioned
The wide scope of coverage area FPA situation is determined as the coverage area of simulated engine sound (with reference to Figure 10 described later).In addition,
In the present embodiment, the width of the road in traveling is wider, and the expanded scope from coverage area FPA becomes wider.Above-mentioned traveling
In the width of road and the relation of the width of the coverage area of simulated engine sound be based on experiment, emulation, experience etc. and advance
It is determined that.
Then, control unit 110 calculates loudspeaker 135 corresponding with the coverage area determinedLAnd loudspeaker 135R's
Set volume VLCL、VLCR.Also, the setting volume VLC that control unit 110 will calculateL、VLCRIt is sent to simulated sound generation
Unit 130.
In addition, figure 10 illustrates on the road width road LD2 wider than the 1st threshold value TW1 travel in, the 2nd
The coverage area SPA of the simulated engine sound determined in stable output processing example.
The result of judgement in above-mentioned steps S32 is situation (the step S32 of affirmative：It is) under, processing enters step
S34.In step S34, control unit 110 carries out the 2nd expanded scope output processing.Handled in the 2nd expanded scope output
In, coverage area based on is from addition to above-mentioned coverage area FPA becomes coverage area SPA, carrying out and above-mentioned steps
The same processing of S23 situation.In addition, in the case of with the both sides extension to the left and right of other roads of intersection in traveling,
To determine arriving for simulated engine sound in a manner of the crossover location of the side close with vehicle CR is comprised at least in coverage area
Up to scope.
At the end of above-mentioned steps S33 or step S34 processing, end step S18 processing.Also, processing returns
To above-mentioned Fig. 5 step S11.
The result of judgement in above-mentioned steps S31 is situation (the step S31 of affirmative：It is) under, processing enters step
S35.In step s 35, control unit 110 judges whether the operating range (CPD) away from crossover location is the base away from crossover location
Quasi- distance (TCD) is below.It is situation (the step S35 of negative in the result of the judgement：It is no) under, processing enters step S36.
In step S36, control unit 110 carries out the 3rd stable output processing.In the 3rd stable output processing, control
Area in the opposite runway side of the direct of travel of relative vehicle, the side that can not possibly have pedestrian etc. is by unit 110
Minimum scope is determined as coverage area (with reference to Figure 11 described later).
Then, control unit 110 calculates loudspeaker 135 corresponding with the coverage area determinedLAnd loudspeaker 135R's
Set volume VLCL、VLCR.In addition, in the present embodiment, in the case of the 3rd stable output processing, by opposite runway side
The setting volume of loudspeaker is set to " 0 ", and the setting volume of the loudspeaker of the opposing party is set to above-mentioned coverage area FPA's
The same setting volume of situation.Also, the setting volume VLC that control unit 110 will calculateL、VLCRIt is sent to simulated sound generation
Unit 130.
In addition, figure 11 illustrates for wider than the 1st threshold value TW1 in road width and the road of opposite runway be present
Vehicle CR in being travelled on LD3, the coverage area TPA of the simulated engine sound determined in the 3rd stable output processing example
Son.
The result of judgement in above-mentioned steps S35 is situation (the step S35 of affirmative：It is) under, processing enters step
S37.In step S37, control unit 110 carries out the 3rd expanded scope output processing.Handled in the 3rd expanded scope output
In, coverage area based on is from addition to above-mentioned coverage area FPA becomes coverage area TPA, carrying out and above-mentioned steps
The same processing of S34 situation.
At the end of above-mentioned steps S36 or step S37 processing, end step S18 processing.Also, processing returns
To above-mentioned Fig. 5 step S11.
《The processing of 3rd road width》
Next, the 3rd road width processing in above-mentioned steps S19 is illustrated.
As shown in figure 12, when the 3rd road width is handled, first, in step S41, control unit 110 is judged away from intersection
The operating range (CPD) of position whether be the reference range (TCD) away from crossover location below.It is negative in the result of the judgement
Situation (step S41：It is no) under, processing enters step S42.
In step S42, control unit 110 carries out the 4th stable output processing.In the 4th stable output processing, control
The coverage area of simulated engine sound is determined as minimum by unit 110.In addition, in the present embodiment, by the 4th stable output processing
It is set to export the processing of simulated engine sound not to outside car (with reference to Figure 13 described later).
Then, " 0 " is calculated as loudspeaker 135 by control unit 110LAnd loudspeaker 135RSetting volume VLCL、
VLCR.Also, the setting volume VLC that control unit 110 will calculateL、VLCRIt is sent to simulated sound generation unit 130.
In addition, figure 13 illustrates in the traveling on the road LD4 that road width is more than the 2nd threshold value TW2
Vehicle CR, the area of the coverage area of the simulated engine sound determined in the 4th stable output processing is the situation of " 0 ".
The result of judgement in above-mentioned steps S41 is situation (the step S41 of affirmative：It is) under, processing enters step
S43.In step S43, control unit 110 carries out the 4th expanded scope output processing.Handled in the 4th expanded scope output
In, carry out handling same processing with the 1st expanded scope output performed in above-mentioned steps S23.
As described above, in the present embodiment, control unit 110 is according to vehicle CR current location, reference memory cell 120
Interior road width information come determine vehicle CR traveling in road width.Also, control unit 110 is according to identified road
Degree of having a lot of social connections, the coverage area of the simulated sound certainly exported outside directional vehicle, and according to the coverage area determined, calculate and given birth to from simulated sound
Into the loudspeaker 135 of unit 130LAnd loudspeaker 135RThe setting volume VLC of the simulated sound of outputL、VLCR.As a result, from mould
The loudspeaker 135 of onomatopoeia generation unit 130LAnd loudspeaker 135R, output and setting volume VLC to outside carL、VLCRIt is corresponding
The simulated sound of volume.
Therefore, according to the present embodiment, the week for accordingly changing with the category of roads in traveling can suitably be carried out
Enclose the output control with the simulated sound that report objects are considered.
In addition, in the present embodiment, from vehicle CR current location to other roads on vehicle CR direct of travel
When distance untill the crossover location on road is longer than the reference range set corresponding to speed, control unit 110 is identified
In the case that road width is below the 1st threshold value TW1, by the symmetrical defined arrival model of vehicle CR direct of travel
Enclose the coverage area that FPA is determined as simulated engine sound.In addition, control unit 110 is the 1st threshold value in identified road width
TW1 will have row between the 2nd threshold value TW2 and in the absence of in the case of opposite runway in the direct of travel on vehicle CR
People etc. be present near the side scope wider than coverage area FPA situation of possibility be determined as arriving for simulated engine sound
Up to scope.Moreover, control unit 110 is the 1st threshold value TW1 between the 2nd threshold value TW2 and existing in identified road width
In the case of opposite runway, by the opposite runway side of relative vehicle CR direct of travel, can not possibly have pedestrian's etc.
The area of side is the coverage area that minimum scope is determined as simulated engine sound.
Therefore, according to the present embodiment, it can be considered that the existing possibility of report objects, while with rational output volume
To export simulated sound.
In addition, in the present embodiment, from vehicle CR current location to other roads on vehicle CR direct of travel
Crossover location untill distance is longer than the reference range set corresponding to speed and the width of road in vehicle CR travelings
In the case of more than the 2nd threshold value TW2, width is that minimum scope is determined as arriving for simulated engine sound by control unit 110
Up to scope.Therefore, it is possible to prevent the either side of the left and right as super expressway can be said and almost pedestrian etc. be present
Useless simulation voice output in the case of possibility.
[deformation of embodiment]
The invention is not restricted to above-described embodiment, the present invention can carry out various modifications.
For example, in the above-described embodiments, simulated sound generation unit 130 possesses the loudspeaker with fixed sound output
135LAnd loudspeaker 135RThis 2 loudspeakers, but for example can also at least possess 1 and be placed in can carry out rotating control
Loudspeaker on part.
In addition, in the above-described embodiments, simulated sound generation unit 130 is generated according to throttle information AR and rotary speed information ER
And the simulated engine sound of the waveform patterns determined, but the simulated engine sound of fixed waveform patterns can also be generated.At this
In the case of, it is not necessary to obtain the testing result of throttle information sensor 220 and rotary speed information sensor 230.
In addition, in the above-described embodiments, speed is not considered directly when determining the coverage area of simulated engine sound, but
Be can also speed it is faster, make the coverage area of simulated engine sound wider.
In addition, in the above-described embodiments, in the 1st~the 3rd expanded scope output processing, closer to crossover location, make mould
Send out that the coverage area of motivation sound is narrower, but the coverage area of simulated engine sound can also be set to constant, or more lean on
Nearly crossover location, make the coverage area of simulated engine sound wider.
In addition, in the above-described embodiments, the traffic of congestion etc. is not accounted for determine the arrival of simulated engine sound
Scope, but such as can also be in the output simulated engine sound not to outside car in the case of being absorbed in congestion, consider congestion etc.
Traffic determines the coverage area of simulated engine sound.
In addition, in the above-described embodiments, stored by possessing the cartographic information comprising road width information memory cell,
And the guider for possessing the current location detection function of vehicle realizes the function of the simulation sound generation device of the present invention, but
The simulation sound generation device of the present invention can be formed as the device independent with guider etc..In this case, on
The store function of cartographic information including road width information, the detection function of current vehicle position, there is this in other devices
During a little functions, the function of other devices can be utilized.
In addition, in the above-described embodiments, simulated engine sound is exported to outside car, but as long as being aroused for pedestrian etc.
The sound paid attention to, the simulated sound beyond simulated engine sound can also be exported to outside car.
In addition, in the above-described embodiments, by by executive program, so as to carry out the control for producing simulated sound
System processing, but can also be by using special LSI (Large Scale Integrated circuit, large-scale integrated
Circuit) etc. hardware come carry out for produce the simulated sound all or part control.
Claims (3)
1. one kind simulation sound generation device, it is equipped on vehicle, to the outside output simulated sound of the vehicle, it is characterised in that
The simulation sound generation device possesses control unit, and the control unit determines the width for the road that the vehicle is travelling
It is wider than the 1st threshold value in the width that is defined as the road and the opposite row be present and the road whether there is opposite runway
In the case of track, the volume of the simulated sound is controlled, to cause the simulated sound to reach the model of opposite runway side
The area for enclosing i.e. simulated sound coverage area is minimum.
2. simulation sound generation device according to claim 1, it is characterised in that the simulation sound generation device also has：
Storage part, which stores the cartographic information comprising the width for representing road and the information for whetheing there is opposite runway；And
Position detection part, its current location to the vehicle are detected,
Described control unit is according to the current location detected by the position detection part and the ground being stored in the storage part
Figure information, determines the road that the width for the road that the vehicle is travelling and the vehicle are travelling whether there is opposite driving
Road.
3. a kind of simulate the simulated sound production method used in sound generation device, the outside of simulation sound generation device to the vehicle is defeated
Go out simulated sound, it is characterised in that the simulated sound production method includes：
Step is determined, the width and the road for determining the road that the vehicle is travelling whether there is opposite runway；And
Rate-determining steps, it is wider than the 1st threshold value in the width that is defined as the road and in the case of the opposite runway being present, it is right
The volume of the simulated sound is controlled, to cause the simulated sound reaches the scope i.e. simulated sound of opposite runway side to reach model
The area enclosed is minimum.
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| CN112158128B (en) * | 2020-09-04 | 2021-11-23 | 中国第一汽车股份有限公司 | Pedestrian warning sound simulation sounding device for low-speed running of electric automobile |
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| JP2001028799A (en) * | 1999-05-10 | 2001-01-30 | Sony Corp | Onboard sound reproduction device |
| JP2001023097A (en) * | 1999-07-13 | 2001-01-26 | Nissan Motor Co Ltd | Back vehicle warning device |
| CN1565890A (en) * | 2003-06-11 | 2005-01-19 | 钱晨 | Automatic quantitative controller for sound of automobile horn |
| CN2644229Y (en) * | 2003-07-09 | 2004-09-29 | 赵宁 | Apparatus for controlling trumpet volume by vehicle speed |
| JP4316397B2 (en) * | 2004-02-09 | 2009-08-19 | パイオニア株式会社 | Pseudo sound generator, vehicle, pseudo sound generation method, and pseudo sound generation program |
| JP2005219715A (en) * | 2004-02-09 | 2005-08-18 | Pioneer Electronic Corp | Pseudo sound generating device, vehicle, pseudo sound generating method and pseudo sound generating program |
| JP2006021667A (en) * | 2004-07-08 | 2006-01-26 | Mitsubishi Motors Corp | Pseudo-travel sound generator for motor drive vehicle |
| JP2006189325A (en) * | 2005-01-06 | 2006-07-20 | Aisin Aw Co Ltd | Present location information management device of vehicle |
| US20090066499A1 (en) * | 2007-07-17 | 2009-03-12 | Enhanced Vehicle Acoustics, Inc. | External sound generating system and method |
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