CN108749712A - Motor car engine speech simulation system - Google Patents
Motor car engine speech simulation system Download PDFInfo
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- CN108749712A CN108749712A CN201810250961.6A CN201810250961A CN108749712A CN 108749712 A CN108749712 A CN 108749712A CN 201810250961 A CN201810250961 A CN 201810250961A CN 108749712 A CN108749712 A CN 108749712A
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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
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- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Hybrid Electric Vehicles (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
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Abstract
The present invention provides a kind of motor car engine speech simulation system, including：Intelligent mobile terminal, board units and broadcast unit；Motor car engine speech simulation system of the present invention, including：Intelligent mobile terminal, board units and broadcast unit, intelligent mobile terminal carries out engine sound simulation according to the speed of vehicle, the amending unit of board units further corrects the simulation of engine sound, to realize the simulation of motor car engine sound, while also improving the accuracy rate of simulation of engine sound.
Description
Technical field
The present invention relates to vehicle simulation technical field more particularly to a kind of motor car engine speech simulation systems.
Background technology
Due to environmental problem and with fossil fuel and the relevant cost of other burning fuels so that electric vehicle is as one
Kind new-energy automobile, has obtained rapid development.However, electric vehicle may usually not have the institute provided in burning rolling stock
Need characteristic.One of those characteristics be and engine accelerate and gear shift (automatically controlling or by manually controlling) relevant sound.
Therefore, electric vehicle in the process of running, especially in acceleration either deceleration unlike the gasoline or bavin of transmission
Oil and gas car engine send out like that rumble grand acceleration either deceleration sound electric vehicle acceleration or slow down almost in nothing
It is carried out in the state of sound, therefore driver and passenger can only observe the environment on periphery and the operating status of vehicle body by vision
It determines, to which there are certain danger.
Invention content
The present invention provides a kind of motor car engine speech simulation system, to overcome above-mentioned technical problem.
A kind of motor car engine speech simulation system of the present invention, including：
Intelligent mobile terminal, board units and broadcast unit；
The intelligent mobile terminal includes：For the GPS unit of collection vehicle travel route and speed, scene mode list
Member, speed acquiring unit and processing unit；
The speed acquiring unit, the vehicle real-time speed for obtaining GPS unit acquisition, and the real-time speed is sent out
It send to processing unit；
The scene mode unit, the vehicle for being acquired according to the GPS unit are presently in road conditions and formulate scene mould
Formula, and the scene mode is sent to board units；
The processing unit, the real-time speed sent for receiving the speed acquiring unit, and according to the real-time speed
First engine sound of the corresponding real-time speed of degree simulation, and first engine sound is sent to board units；
The storage unit, first engine sound for storing corresponding different automobile types；
The board units include：Receiving unit, amending unit and storage unit；
The receiving unit is used to receive the first engine sound and the shifting that the mobile terminal processing unit is sent
The scene mode that dynamic terminal scene mode unit is sent；
The storage unit is for storing first engine sound and the scene mode；
The amending unit for judging whether vehicle current operating conditions and vehicle current scene pattern consistent, if so,
Current vehicle transport condition then is fed back to mobile terminal, if it is not, the then scene corresponding to the vehicle current operating conditions
Pattern is extracted in storage unit corrects engine sound, and the amendment engine sound is sent to broadcast unit；
The broadcast unit is used to receive amendment engine sound and scene mode that the amending unit is sent, and plays
The amendment engine sound.
Further, the processing unit also particularly useful for：
Vehicle subsequent time scene mode is obtained according to GPS unit and judges vehicle current scene pattern and subsequent time field
Whether scape pattern is identical, if it is not, then by corresponding second engine sound of subsequent time scene mode and first engine
Sound superposition, which takes, is worth to third engine sound, and the third engine sound is sent to sound playing unit.
Further, the board units further include：
Continued broadcasting unit, for judge the first engine sound that the receiving unit receives and the scene mode whether in
It is disconnected, if so, judging whether the mobile terminal is synchronous with vehicle according to car speed, if the mobile terminal and the vehicle
It is asynchronous, it transfers currently playing third engine sound from storage unit and is sent to sound playing unit.
Further, the processing unit also particularly useful for：
The current vehicle transport condition that amending unit is sent is received, and according to the transport condition to the real-time of processing unit
Speed carries out error correction.
Further, the broadcast unit also particularly useful for：
Choose effect sounds according to the scene mode, and synthesize the effect sounds and the third engine sound into
Row plays.
Motor car engine speech simulation system of the present invention, including：Intelligent mobile terminal, board units and broadcasting are single
Member, intelligent mobile terminal carry out engine sound simulation according to the speed of vehicle, and the amending unit of board units is to the engine
Simulated sound is further corrected, and to realize the simulation of motor car engine sound, while also improving engine
The accuracy rate of simulated sound.
Description of the drawings
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is this hair
Some bright embodiments for those of ordinary skill in the art without having to pay creative labor, can be with
Obtain other attached drawings according to these attached drawings.
Fig. 1 is motor car engine speech simulation system structure diagram of the present invention；
Fig. 2 is another structural schematic diagram of motor car engine speech simulation system of the present invention.
Specific implementation mode
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art
The every other embodiment obtained without creative efforts, shall fall within the protection scope of the present invention.
Fig. 1 is motor car engine speech simulation system structure diagram of the present invention, as shown in Figure 1, the present embodiment is
System may include：
Intelligent mobile terminal 101, board units 102 and broadcast unit 103；
The intelligent mobile terminal includes：For the GPS unit 104 of collection vehicle travel route and speed, scene mould
Formula unit 105, speed acquiring unit 106 and processing unit 107；
The speed acquiring unit, the vehicle real-time speed for obtaining GPS unit acquisition, and by the real-time speed
Degree is sent to processing unit；
The scene mode unit, the vehicle for being acquired according to the GPS unit are presently in road conditions and formulate scene mould
Formula, and the scene mode is sent to board units；
The processing unit, the real-time speed sent for receiving the speed acquiring unit, and according to the real-time speed
First engine sound of the corresponding real-time speed of degree simulation, and first engine sound is sent to board units；
The storage unit, first engine sound for storing corresponding different automobile types；
The board units include：Receiving unit 108, amending unit 109 and storage unit 110；
The receiving unit is used to receive the first engine sound and the shifting that the mobile terminal processing unit is sent
The scene mode that dynamic terminal scene mode unit is sent；
The storage unit is for storing first engine sound and the scene mode；
The amending unit for judging whether vehicle current operating conditions and vehicle current scene pattern consistent, if so,
Current vehicle transport condition then is fed back to mobile terminal, if it is not, the then scene corresponding to the vehicle current operating conditions
Pattern is extracted in storage unit corrects engine sound, and the amendment engine sound is sent to broadcast unit；
The broadcast unit is used to receive amendment engine sound and scene mode that the amending unit is sent, and plays
The amendment engine sound.
Specifically, intelligent mobile terminal can be the intelligent mobile terminal equipments such as mobile phone, tablet computer in the present embodiment.
Board units can be the car-mounted terminal configured in vehicle.Broadcast unit can be the speaker configured in vehicle.
The real-time speed and travel route of vehicle GPS unit collection vehicle, and the real-time speed and travel route are sent
To processing unit.Scene mode unit formulates scene mode according to the travel route, such as location residing for current vehicle is resident
Area, then it is quiet mode to formulate scene mode；Location residing for current vehicle is business district, then it is noisy mould to formulate scene mode
Formula；Location residing for current vehicle is expressway, then it is high-speed mode to formulate scene mode.And those scene modes are sent to vehicle
Carrier unit.Processing unit receives real-time speed, and the engine sound of current vehicle is simulated according to the real-time speed, which is the
One engine sound.Board units receiving unit receives the first engine sound and scene mode that mobile terminal is sent.This connects
Communication mode between receipts unit and board units may be used USB interface and communicate or wirelessly communicate.The storage of board units
Unit is used for the first engine sound and scene mode that memory mobile terminal is sent, and by the first engine sound and scene mould
Formula corresponds to storage.Board units amending unit judges, the operation shape whether synchronous with the scene mode according to travel condition of vehicle
The vehicles such as vehicle, accelerator pedal position, transmission state and the gas pedal change rate that state can be acquired by board units are joined
Number judges whether vehicle matches with the scene mode.Such as current scene pattern is high-speed mode, current vehicle operating parameter
To run at a low speed, then the two mismatches.When the two mismatches, amending unit extracts in storage unit currently runs at a low speed institute
The engine sound of corresponding quiet mode, and it is sent to broadcast unit using the engine sound as engine sound is corrected.
The storage unit of intelligent mobile terminal dress stores first engine sound of corresponding different automobile types, realizes functional expansion
Exhibition.Virtual acoustic can be changed to Super Car by the sound alternative of storage vehicle not of the same race, user according to hobby
Travel audio etc..The audio of alternative is consistent with initial audio principle, and only sampling comes from different vehicle, when speed change selection change
The parameters such as gear opportunity and revolution can adjust therewith.
Further, the processing unit is additionally operable to：
Vehicle subsequent time scene mode is obtained according to GPS unit and judges vehicle current scene pattern and subsequent time field
Whether scape pattern is identical, if it is not, then by corresponding second engine sound of subsequent time scene mode and first engine
Sound superposition, which takes, is worth to third engine sound, and the third engine sound is sent to sound playing unit.
Specifically, mobile terminal processing unit obtains vehicle according to GPS unit and is presently in position, true according to the position
The fixed corresponding scene mode in the position, and can predict that the position of subsequent time and subsequent time are corresponding according to current location
Scene mode.The first engine not change of voice is kept if the scene mode of subsequent time and the scene mode of previous moment are identical
Sound.Such as：The position that vehicle is presently in is business district, then correspond to the scene mode of the position as noisy pattern, subsequent time,
The vehicle travels out business district and enters residential block, then the corresponding scene mode of subsequent time is quiet mode.Switch between the two
When, by prejudging the scene mode of subsequent time, the corresponding engine sound superposition of both of which is taken into the third being worth to
Transmitter sound enables simulated engine sound in handoff procedure excessively more accurate, smooth.
As shown in Fig. 2, the board units of the present embodiment on the basis of Fig. 1, further, further include：
Continued broadcasting unit 111, the first engine sound and the scene mode for judging the receiving unit reception are
No interruption, if so, judge whether the mobile terminal synchronous with vehicle according to car speed, if the mobile terminal with it is described
Vehicle is asynchronous, and transferring currently playing third engine sound from storage unit is sent to sound playing unit.
Specifically, no matter being to have generation using wired or wireless communication between intelligent mobile terminal and board units
The case where disconnection, occurs.Whether the continued broadcasting unit cycle detection receiving unit of board units receives the first of mobile terminal transmission
Engine sound and scene mode.When the two generation disconnection, then currently playing third engine sound is removed from storage unit jump.
Continue to play engine sound when realizing disconnection between mobile terminal and board units.
Further, the processing unit also particularly useful for：
The current vehicle transport condition that amending unit is sent is received, and according to the transport condition to the real-time of processing unit
Speed carries out error correction.
Specifically, the processing unit of the present embodiment further includes error correction unit, which receives repairing for board units
The current vehicle transport condition that positive unit is sent, and according to the current vehicle transport condition of current board units feedback to basis
The vehicle real-time speed of the vehicle of GPS unit acquisition carries out error correction.Gyroscope in combination with mobile terminal or gravity sensing list
Member can judge the direction of vehicle.Such as：Vehicle gear box is 2 grades, and speed accelerates to 40km/h from 20km/h and needs 5
Second.When vehicle gear box is 4 grades, accelerating to 40km/h only needs 1 second.When monitoring micro by the acceleration transducer of mobile terminal
Between acceleration value in section judge whether vehicle is to bring to a halt or anxious accelerate.To further increase engine sound simulation
Accuracy.It solves vehicle GPS unit in the case where bringing to a halt, uniform velocity of taking a sudden turn and direction being mutated and there is asking for delay
Topic.
The present embodiment broadcast unit on the basis of Fig. 2, also particularly useful for：
Choose effect sounds according to the scene mode, and synthesize the effect sounds and the third engine sound into
Row plays.
It, can be by the spy that is chosen in enhancement unit under the pattern specifically, vehicle corresponds to start-up mode on startup
Imitate personnel or other biological suggesting effect of the sound to vehicle periphery.The effect sounds can be：Voice, music etc..Synthesis
Unit plays out the effect sounds together with third transmitter sound rendering.Wave volume after synthesis can be according to not
It is specifically adjusted with pattern.
Finally it should be noted that：The above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations；To the greatest extent
Present invention has been described in detail with reference to the aforementioned embodiments for pipe, it will be understood by those of ordinary skill in the art that：Its according to
So can with technical scheme described in the above embodiments is modified, either to which part or all technical features into
Row equivalent replacement；And these modifications or replacements, various embodiments of the present invention technology that it does not separate the essence of the corresponding technical solution
The range of scheme.
Claims (5)
1. a kind of motor car engine speech simulation system, which is characterized in that including：
Intelligent mobile terminal, board units and broadcast unit；
The intelligent mobile terminal includes：For the GPS unit of collection vehicle travel route and speed, scene mode unit,
Speed acquiring unit, processing unit and storage unit；
The speed acquiring unit, the vehicle real-time speed for obtaining GPS unit acquisition, and the real-time speed is sent to
Processing unit；
The scene mode unit, the vehicle for being acquired according to the GPS unit are presently in road conditions and formulate scene mode, and
The scene mode is sent to board units；
The processing unit, the real-time speed sent for receiving the speed acquiring unit, and according to the real-time speed mould
First engine sound of the quasi- corresponding real-time speed, and first engine sound is sent to board units；
The storage unit, first engine sound for storing corresponding different automobile types；
The board units include：Receiving unit, amending unit and storage unit；
The receiving unit is used to receive the first engine sound that the mobile terminal processing unit is sent and the movement eventually
The scene mode for holding scene mode unit to send；
The storage unit is for storing first engine sound and the scene mode；
The amending unit for judging whether vehicle current operating conditions and vehicle current scene pattern consistent, if so, to
Mobile terminal feeds back current vehicle transport condition, if it is not, the then scene mode corresponding to the vehicle current operating conditions
Engine sound is corrected in extraction in storage unit, and the amendment engine sound is sent to broadcast unit；
The broadcast unit is used to receive amendment engine sound and scene mode that the amending unit is sent, and described in broadcasting
Correct engine sound.
2. system according to claim 1, which is characterized in that the processing unit also particularly useful for：
Vehicle subsequent time scene mode is obtained according to GPS unit and judges vehicle current scene pattern and subsequent time scene mould
Whether formula is identical, if it is not, then by corresponding second engine sound of subsequent time scene mode and first engine sound
Superposition, which takes, is worth to third engine sound, and the third engine sound is sent to sound playing unit.
3. system according to claim 2, which is characterized in that the board units further include：
Whether continued broadcasting unit, the first engine sound and the scene mode for judging the receiving unit reception interrupt,
If so, judging whether the mobile terminal is synchronous with vehicle according to car speed, if the mobile terminal and the vehicle are not
It is synchronous then transfer currently playing third engine sound from storage unit and be sent to sound playing unit.
4. system according to claim 1, which is characterized in that the processing unit also particularly useful for：
The current vehicle transport condition that amending unit is sent is received, and according to the transport condition to the real-time speed of processing unit
Carry out error correction.
5. system according to claim 4, which is characterized in that the broadcast unit also particularly useful for：
Effect sounds are chosen according to the scene mode, and synthesizes the effect sounds and is broadcast with the third engine sound
It puts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810250961.6A CN108749712B (en) | 2018-03-26 | 2018-03-26 | Motor vehicle engine sound simulation system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810250961.6A CN108749712B (en) | 2018-03-26 | 2018-03-26 | Motor vehicle engine sound simulation system |
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| CN108749712B CN108749712B (en) | 2021-09-03 |
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| CN201810250961.6A Active CN108749712B (en) | 2018-03-26 | 2018-03-26 | Motor vehicle engine sound simulation system |
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| US10841698B1 (en) | 2019-08-05 | 2020-11-17 | Toyota Motor Engineering And Manufacturing North America, Inc. | Vehicle sound simulation based on operating and environmental conditions |
| WO2023011911A1 (en) * | 2021-08-05 | 2023-02-09 | Bayerische Motoren Werke Aktiengesellschaft | Sound experience generator |
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| Publication number | Publication date |
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| CN108749712B (en) | 2021-09-03 |
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