CN104174170A - Engine sound simulator - Google Patents
Engine sound simulator Download PDFInfo
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- CN104174170A CN104174170A CN201310201659.9A CN201310201659A CN104174170A CN 104174170 A CN104174170 A CN 104174170A CN 201310201659 A CN201310201659 A CN 201310201659A CN 104174170 A CN104174170 A CN 104174170A
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Abstract
The invention relates to equipment using an electronic device to simulate the sound of various engines. The equipment is characterized in that the running sound of the engines of an airplane model, a vehicle model, a boat model and a toy is simulated by a sound sampling and voice synthesis method. The problem that the inherent sound experience of the engine cannot be vividly played back by the current electrically driven model or toy is solved. The engine sound simulator can simulate the running sound of the engine workings at starting, each rotation speed, acceleration, deceleration and shut down states. The engine sound simulator comprises a signal acquiring module, a voice synthesis module and an audio amplifying module. According to the engine sound simulator, the signal acquiring module is utilized to acquire an accelerator signal of a remote controller, the rotation speed signal of an electric motor and the like to acquire the running information and rotation speed state information of the engine; a voice synthesizer acquires a rotation speed signal of the engine, the rotation speed signal is input to the voice synthesizer, after synthesizing a sound source sample, sampled in advance, of engine sound through algorithm, the voice synthesizer outputs audio data matched with the state and rotation speed, after being converted into a simulated sound source signal, the audio data is input to the audio amplifying module, and through audio power amplification, a loudspeaker is driven to give vivid engine sound. Therefore, the model, the toy or the like which are electrically driven have a more vivid sound effect.
Description
Affiliated technical field
While the present invention relates to a kind of simulated engine running, send the electronic installation of engine sound, sound when this device is used for simulating various aviations, vehicle, engine of boat and ship startup, acceleration and deceleration, specific rotation speeds.Be applied to the fields such as model airplane, auto model, model ship and toy for children.Be characterized in realizing the sound that sends aviation true to nature, vehicle, engine of boat and ship by this electronic installation on the model that can be power in driven by power, toy, obtain good simulated effect and sense of hearing sensory experience.
Background technology
At present, along with the development of new forms of energy, what on model airplane, auto model, model ship and toy for children, use is progressively replaced by power-actuated motor with the fuel power such as Methanol Engine, gasoline engine.
Motor is in the time of work, compare engine and there is simple in structure, powerful, feature easy to use, but due to different with the principle of fuel power, in running, can not produce the distinctive sound of engine operation, so in the time controlling motor model, manipulator cannot experience to judge by sound the duty of engine, has also reduced sensory experience and enjoyment in model manipulation process; Owing to possessing certain danger in motor operation process, the course of work is quieter, and whether user is not easy to differentiate and turns round, thereby reduces the sound warning function to surrounding population; Lack in addition engine sound the simulated effect of model and toy is had a greatly reduced quality, do not possess shock effect acoustically.In order to strengthen above-mentioned effect on power-actuated advantage basis, traditional method is to adopt mechanical system, use the output of a mechanical sound-producing device and motor power to be connected, in motor operation process, driving device parts knock generating means and send the sound of similar engine running.Although which can be sent the sound that possesses certain similar engine, there is very large gap in the fidelity of its sound and effect and actual engine sound.Owing to adopting machine construction principle, exist volume large simultaneously, complex structure, sound simulation degree is low, changes the shortcomings such as sound difficulty.
Summary of the invention
There is no good sound simulation experience and the defect of alarming effect in order to solve with power-actuated model, toy.The present invention by combining with good sensory experience and the simulated effect that model, toy were possessed of fuel power with efficient, the electric model of environmental protection, toy, can be applicable to emulation model airplane, auto model, model ship and toy for children well.
The present invention is by the sound under the different engine specific rotation speeds of sampling, state, utilize voice synthesis, realize the actual sound of simulated engine under different operation conditions, by the response of configuration engine speed, the interval change information of rotating speed, dynamic simulated engine sound variation situation, makes to simulate the sound variation effect under each state of engine, rotating speed.The features such as the sound-producing device that adopts electronic technology to realize, possesses volume little, simple in structure, and effect is true to nature.
The invention provides and a kind ofly can simulate the electronic installation that sends engine sound, simulated engine starts, sound under flame-out, acceleration and deceleration and different rotating speeds, is applied to model airplane, auto model, model ship and toy for children.
The present invention adopts electronic technology, digital audio synthesizing mean to realize the simulation to engine sound in conjunction with sound technique, contrast traditional mechanical tune, can be to various engines the sound under different conditions, rotating speed carry out realistic simulation, can simulate engine start, flame-out sound, can simulate engine acceleration and deceleration process sound, and can be on engine sound basis synthetic environment sound, machine gun sound, shellburst sound, possess very strong novelty.Driven by power model, toy inherent structure advantage simple, easy to use, the auditory effect that utilizes this electronic installation simulated engine to produce combines, realizing model plane, toy user can have the good sense of hearing to experience, possess again the user of allowing and play warning function by sound, possess very high novelty.The present invention can increase sensory experience and the enjoyment in model manipulation, driving procedure largely, the engine acoustic energy of simulation is warned for people around provides a kind of sound simultaneously, improve security, especially applicable simulation model, toy reach effect true to nature on sound, possess certain practicality.
The scheme that the present invention solves the problems of the technologies described above is as follows: a kind of engine sound simulator, it is characterized in that, and comprise that the signal of connection is adopted module, sound synthesis module, audio frequency amplification module successively.
Signal acquisition module is used for receiving model airplane remote control receiver, motor speed sensor type signal obtains engine condition and rotary speed information.The engine condition that signal acquisition module collects and rotary speed information are transferred to sound synthesis module, sound synthesis module is received after engine condition, rotary speed information, in conjunction with the engine parameter, state and the sample sound that import in advance, synthesize and generate voice data corresponding under current throttle, rotating speed state by sound, export simulated audio signal to audio frequency amplification module by digital-to-analogue conversion; Audio frequency amplification module carries out signal processing, power amplification by audio signal and drives loudspeaker to send engine speed sound.
Described signal acquisition module 1 comprises engine speed acquisition channel 11, remote-control receiver throttle signal passage 12.Wherein engine speed acquisition channel 11 is for gathering the rate signal of real-world operation of motor; The throttle signal size that remote-control receiver throttle signal passage 12 provides for gathering remote controller.This module is for obtaining the given throttle signal size of state, rotating speed and remote controller of power set actual motion, by need to simulate state and the rotating speed of the engine of output after processing as sound simulator judgement.This module is connected with sound synthesis module 2, and signal after treatment is transferred to sound synthesis module 2.
Described sound synthesis module 2 comprises: signal processing unit 21, sound synthesis unit 22, audio frequency generating unit 23, dispensing unit 24 and engine source of sound library unit 25.Tach signal is by the signal processing unit processes 21 in sound synthesis module 2, obtain the rotary speed information of present engine, this information is in conjunction with the signal rotating speed corresponding informance in dispensing unit 24, rotation speed change response curve, the powerful information such as little of acoustic field is input to sound synthesis unit 22 together, information in the specific engines sampling sound binding signal processing unit 21 that sound synthesis unit 22 comprises by engine source of sound library unit 25 the insides, by voice weighted superposition, voice merge, seamlessly transit, response curve calculates, export the voice data of corresponding engine speed to audio frequency phonation unit 23, the digital audio-frequency data of receiving is changed into simulated audio signal by audio frequency generating unit 23.Sound synthesis module 2 is connected with audio frequency amplification module 3, and the simulated audio signal of generation is input to audio frequency amplification module 3.
Audio frequency amplification module 3 comprises audio treatment unit 31, power amplification unit 32 and loudspeaker 33.Audio treatment unit 31 is mainly used to strengthen voice audio: high pitch strengthens, middle pitch strengthens, bass strengthens, surrounding.By phonetic entry after treatment to power amplification unit 32, low-power audio signal is realized to power amplification, be used for driving last loudspeaker 33, loudspeaker 33 is converted into sound as a physical equipment by the signal of telecommunication and plays, audio signal is propagated in air, make people's hearing organ can experience final audio content.
The invention has the beneficial effects as follows: employing electronic speech simulation of the present invention realizes engine sound simulator, can simulate realistically the sound of working under all kinds of engine starts, flame-out and various rotating speeds, sound under combination model, toy real-world operation situation output current state, can bring better sensory experience for the manipulation of electric model, driving, also can, for the people around such as model, toy provides sound warning, improve security.
Brief description of the drawings
Fig. 1 is the structure chart of simulator of the present invention;
Fig. 2 is the signal acquisition module structure chart of system embodiment 1 of the present invention;
Fig. 3 is system embodiment 1 sound synthesis module structure chart of the present invention;
Fig. 4 is system embodiment 1 sound amplification module structure chart of the present invention.
Detailed description of the invention
Below in conjunction with accompanying drawing, principle of the present invention and feature are described, example, only for explaining the present invention, is not intended to limit scope of the present invention.
As shown in Figure 1, the enforcement structure chart of engine sound simulator of the present invention, as shown in the figure, the system of the present embodiment comprises: sound synthesis module 2, receive the control signal from signal acquisition module 1, by voice weighted superposition, voice merge, seamlessly transit, response curve calculates, carry out after acoustic processing audio signal transmission to audio frequency amplification module 3; Audio frequency amplification module 3, receives the audio signal from sound synthesis module 2, and audio signal is carried out playing after power amplification.
As shown in Figure 2, described signal acquisition module 1 comprises engine speed acquisition channel 11, remote-control receiver throttle signal passage 12.Wherein engine speed acquisition channel 11 is for gathering the rate signal of real-world operation of motor; The throttle signal size that remote-control receiver throttle signal passage 12 provides for gathering remote controller.This module is for obtaining the given throttle signal size of state, rotating speed and remote controller of power set actual motion, by need to simulate state and the rotating speed of the engine of output after processing as sound simulator judgement.This module is connected with sound synthesis module 2, and signal after treatment is transferred to sound synthesis module 2.
As shown in Figure 3, described sound synthesis module 2 comprises: signal processing unit 21, sound synthesis unit 22, audio frequency generating unit 23, dispensing unit 24 and engine source of sound library unit 25.Tach signal is by the signal processing unit processes 21 in sound synthesis module 2, obtain the rotary speed information of present engine, this information is in conjunction with the signal rotating speed corresponding informance in dispensing unit 24, rotation speed change response curve, the powerful information such as little of acoustic field is input to sound synthesis unit 22 together, information in the specific engines sampling sound binding signal processing unit 21 that sound synthesis unit 22 comprises by engine source of sound library unit 25 the insides, by voice weighted superposition, voice merge, seamlessly transit, response curve calculates, export the voice data of corresponding engine speed to audio frequency phonation unit 23, the digital audio-frequency data of receiving is changed into simulated audio signal by audio frequency generating unit 23.Sound synthesis module 2 is connected with audio frequency amplification module 3, and the simulated audio signal of generation is input to audio frequency amplification module 3.
As shown in Figure 3, the structure chart of the audio frequency amplification module of engine sound simulator of the present invention, as shown in the figure, Audio power amplifier unit 3 further comprises: Audio power amplifier unit 32, obtain audio signal from sound synthesis module 2, according to the configuration of dispensing unit 22, audio signal is carried out to corresponding power amplification, and by the audio signal transmission after power amplification to phonation unit 33; Phonation unit 33, the audio signal after Audio power amplifier unit 32 is amplified transforms sound and plays.
As shown in Figure 4, audio frequency amplification module 3 comprises audio treatment unit 31, power amplification unit 32 and loudspeaker 33.Audio treatment unit 31 is mainly used to strengthen voice audio: high pitch strengthens, middle pitch strengthens, bass strengthens, surrounding.By phonetic entry after treatment to power amplification unit 32, low-power audio signal is realized to power amplification, be used for driving last loudspeaker 33, loudspeaker 33 is converted into sound as a physical equipment by the signal of telecommunication and plays, audio signal is propagated in air, make people's hearing organ can experience final audio content.
The operating process of the use of engine sound simulator of the present invention is as described below, comprises the following steps:
S401, user carry out electrifying startup to engine sound simulator, and simulator enters acquiescence duty, start to carry out engine sound simulation;
S402, user trigger startup sound, and engine sound simulator carries out the simulation of engine start sound;
After S403, engine start, sound simulator is according to throttle calculation engine rotating speed or Real-time Obtaining motor speed, and carrys out the sound of realistic simulation engine running according to rotating speed;
When S404, user open other audio mixing switches, can in engine sound, be mixed into audio mixing channel sound, as machine gun sound;
S405, user start flameout switch, and engine sound is reduced to idling mode the flame-out sound of simulated engine gradually.
The operating process of the configuration of engine sound simulator of the present invention is as described below, comprises the steps:
S501, user carry out electrifying startup to engine simulator, press deploy switch when startup, and simulator enters configuration mode;
S502, user enter voice selecting menu, and the source of sound of simulated engine is selected;
S503, user enter rotating speed and demarcate menu, simulator is play engine idle sound, throttle is adjusted to idle position, throttle signal value while preserving idling by menu button, sound when simulator is play the high rotating speed of engine, position when throttle is adjusted to high engine speeds, throttle signal value while preserving high engine speeds by menu button;
S504, user's ingoing power amplifier configuration menu, adjust the power output of audio-frequency power amplifier by menu button, thereby adjust the volume of audio output unit output.
The foregoing is only preferred embodiment of the present invention, in order to limit the present invention, within the spirit and principles in the present invention not all, any amendment of doing, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.
Claims (6)
1. the implementation method of an engine sound simulator, it is characterized in that adopting electronics audio synthetic method, use engine speech samples under typical rotating speed, by the synthetic sound that produces the engine running in a successive range, in conjunction with throttle signal and tach signal, utilize audio frequency to amplify and obtain engine sound under current rotating speed, state.
2. according to claim 1, it is characterized in that by the engine voice under specific rotation speeds, state, realize the engine running sound in synthetic one section of successive range.
3. for realizing a sound simulator for method described in claim 1, it is characterized in that, comprise the signal acquisition module connecting successively, sound synthesis module, audio frequency amplification module and loudspeaker; Described signal acquisition module is for gathering the throttle signal of remote-control receiver throttle channel, the tach signal of motor speed input channel, source of sound sample by rotary speed information and engine specific rotation speeds passes through the processing of sound synthesis module, realize the output of engine sound under any rotating speed, and realize the response under engine start, acceleration and deceleration process, the state variation such as flame-out, the output true to nature seamlessly transitting; Audio signal after synthetic is to audio frequency amplification module; Described audio frequency amplification module receives from the audio signal under the corresponding engine real-time status of sound synthesizer Composite tone and carries out Audio power amplifier, by loudspeaker sounding, allows on user's sense of hearing sense organ and obtains sound and the state that simulated engine sends.
4. according to claim 3, it is characterized in that its core of sound synthesis module is a kind of sample sound gathering under engine specific rotation speeds, utilize that sound synthesizes, superposes, seamlessly transits, rotating speed increases, reduce means such as changing control rate, rotating speed response and realize the synthetic output of the engine sound under any rotating speed of simulation, simultaneously by algorithm parameter configure can realistic simulation difference engines rotation speed change response characteristic.
5. according to claim 3, it is characterized in that described sound synthesis module comprises engine sound source of sound library unit, dispensing unit, sound synthesis unit and audio signal generating unit; Described engine sound source of sound library unit is for storing the audio sample under the particular sample rotating speed point of engine, as the synthetic original sample of sound; The functions such as described dispensing unit can be configured sound synthesis module, volume control, rate calibration, throttle response setting.
6. according to claim 3, it is characterized in that, described audio frequency amplification module comprises Audio power amplifier unit and loudspeaker; Described Audio power amplifier unit receives the audio signal from sound synthesis module, and this audio signal is carried out to power amplification; Described loudspeaker comprises the sound that can hear for people's ear for conversion after audio-frequency power amplifier is amplified.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201310201659.9A CN104174170A (en) | 2013-05-23 | 2013-05-23 | Engine sound simulator |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310201659.9A CN104174170A (en) | 2013-05-23 | 2013-05-23 | Engine sound simulator |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105206134A (en) * | 2015-09-06 | 2015-12-30 | 中国船舶重工集团公司第七〇五研究所 | Simulation method for simulating aero-engine working state sound effects |
| CN105599673A (en) * | 2016-02-03 | 2016-05-25 | 上海嘉车信息科技有限公司 | Sports car audio simulation device for cars |
| CN106897966A (en) * | 2017-01-24 | 2017-06-27 | 刘守乾 | A kind of image combining method and device |
| CN107277685A (en) * | 2016-03-30 | 2017-10-20 | 福特全球技术公司 | Strengthen the system and method for tuning for electro-acoustic |
| CN109435837A (en) * | 2018-12-20 | 2019-03-08 | 云南玉溪汇龙科技有限公司 | A kind of engine of electric vehicle acoustic simulation synthesizer and method |
| CN109460610A (en) * | 2018-11-12 | 2019-03-12 | 宁波微行航空科技有限公司 | A kind of electronics sound effect system for simulating fuel engines system sound effect |
| CN109515311A (en) * | 2018-11-12 | 2019-03-26 | 宁波微行航空科技有限公司 | A kind of simulation fuel engines engine electronics sound effect system |
| CN110796973A (en) * | 2018-08-01 | 2020-02-14 | 中发天信(北京)航空发动机科技股份有限公司 | Interactive dynamic display system for aviation jet engine |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105206134A (en) * | 2015-09-06 | 2015-12-30 | 中国船舶重工集团公司第七〇五研究所 | Simulation method for simulating aero-engine working state sound effects |
| CN105599673A (en) * | 2016-02-03 | 2016-05-25 | 上海嘉车信息科技有限公司 | Sports car audio simulation device for cars |
| CN107277685A (en) * | 2016-03-30 | 2017-10-20 | 福特全球技术公司 | Strengthen the system and method for tuning for electro-acoustic |
| CN107277685B (en) * | 2016-03-30 | 2021-08-31 | 福特全球技术公司 | System and method for electronic sound enhancement tuning |
| CN106897966A (en) * | 2017-01-24 | 2017-06-27 | 刘守乾 | A kind of image combining method and device |
| CN110796973A (en) * | 2018-08-01 | 2020-02-14 | 中发天信(北京)航空发动机科技股份有限公司 | Interactive dynamic display system for aviation jet engine |
| CN109460610A (en) * | 2018-11-12 | 2019-03-12 | 宁波微行航空科技有限公司 | A kind of electronics sound effect system for simulating fuel engines system sound effect |
| CN109515311A (en) * | 2018-11-12 | 2019-03-26 | 宁波微行航空科技有限公司 | A kind of simulation fuel engines engine electronics sound effect system |
| CN109515311B (en) * | 2018-11-12 | 2020-09-08 | 宁波微行航空科技有限公司 | System for simulating electronic sound effect of engine of fuel engine |
| CN109435837A (en) * | 2018-12-20 | 2019-03-08 | 云南玉溪汇龙科技有限公司 | A kind of engine of electric vehicle acoustic simulation synthesizer and method |
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Application publication date: 20141203 |