CN103297895B - Vehicular volume control system - Google Patents
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- CN103297895B CN103297895B CN201310181044.4A CN201310181044A CN103297895B CN 103297895 B CN103297895 B CN 103297895B CN 201310181044 A CN201310181044 A CN 201310181044A CN 103297895 B CN103297895 B CN 103297895B
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Abstract
The present invention relates to a kind of Vehicular volume control system, comprise, pass-by noise detection module and internal car noise detection module, detect the noise of automobile external environment, the noise of internal environment respectively; Volume controller module, connect described pass-by noise detection module and described internal car noise detection module, to determine the volume of automobile external loudspeaker and automotive acoustic speaker respectively according to the testing result of described pass-by noise detection module and described internal car noise detection module.Pass through the present invention, the volume of automobile external loudspeaker and automotive acoustic speaker can be revised according to the detection real-time adaptive of car internal and external environment noise, avoid pedestrian because noise does not hear the prompting of loudspeaker, also avoid driver because noise does not hear the caller voice of mobile phone.
Description
Technical field
The present invention relates to audio area, particularly relate to a kind of Vehicular volume control system.
Background technology
Automobile is the important vehicles that people use, also be the space that people relatively grow the time of staying, in order to avoid people's long-distance travel or wait as long for too boring and installed many recreational facilities in automobile, as stereo set, broadcast receiver and in-car TV etc., simultaneously, loudspeaker on body of a motor car and light installations are also the instruments that people often use, and for seeing road clearly and reminding pedestrian to dodge, occur to avoid security incident.
But, owing to there is numerous noise source in automobile current period, as construction site, passing cars, amusement place, pedestrian etc., and the volume of the outer loudspeaker of the car of automobile and Che Nei Music centre loudspeaker is generally fixing or need manually adjustment, like this, easily appear at car Noise Pollution outside serious time, pedestrian does not hear the prompting sound of blowing a whistle of the outer loudspeaker of car, cause severe compromise, and easily appear at environment inside car noise pollution serious time, in car, user vehicle can't hear the sound of automobile audio or bluetooth cellular phone, cannot enjoy due amusement and service.
Therefore, need a kind of Vehicular volume control system, existing Auto Electronic Controlled System can be transformed, with Real-time Collection to car external environment noise and environment inside car noise, and formulate suitable volume control strategy according to the car external environment noise collected and environment inside car noise, ensure that pedestrian can hear that sound reminded by the outer loudspeaker of car on road, ensures that user vehicle can hear the sound of automobile audio or bluetooth cellular phone in car, improve the fail safe of automobile and recreational.
Summary of the invention
In order to solve the problem, the invention provides a kind of Vehicular volume control system, the noise of automobile external environment, the noise of internal environment is gathered respectively by pass-by noise detection module and internal car noise detection module, and modulated the volume of automobile external loudspeaker and automotive acoustic speaker in real time respectively according to the testing result of described pass-by noise detection module and described internal car noise detection module by the volume controller module that connects pass-by noise detection module and described internal car noise detection module, to obtain to blow a whistle outside the suitable car of volume sound and Che Nei audible sound.
According to an aspect of the present invention, provide a kind of Vehicular volume control system, comprise pass-by noise detection module and internal car noise detection module, detect the noise of automobile external environment, the noise of internal environment respectively; Volume controller module, connect described pass-by noise detection module and described internal car noise detection module, to determine the volume of automobile external loudspeaker and automotive acoustic speaker respectively according to the testing result of described pass-by noise detection module and described internal car noise detection module.More specifically, described Vehicular volume control system comprises further: described pass-by noise detection module is arranged on body of a motor car, for detecting the noise of automobile external environment, and export corresponding external noise level signal, described internal car noise detection module is arranged on the A post of automobile, for detecting the noise of automotive interior environment, and export corresponding internal noise level signal, first blue tooth interface, be arranged in the panel board of automobile, receive driver use the second blue tooth interface of mobile phone to send external sound signal, the voice signal of the driver from internal microphone is forwarded to driver use the blue tooth interface of mobile phone, described external sound signal from described driver use the mobile communications network at the current place of mobile phone, internal microphone, is arranged on the steering wheel of automobile, connects described first blue tooth interface, gathers the voice signal of driver and the voice signal of the driver collected is sent to described first blue tooth interface, automotive acoustic speaker, is arranged in the panel board of automobile, connects described first blue tooth interface, receives described external sound signal and plays described external sound signal, automobile external loudspeaker, are arranged on body of a motor car, receive the whistle signal that driver is triggered by the pushbutton unit on steering wheel, send to start inner loudspeaker device according to described whistle signal sound of blowing a whistle, Bus-Speed Monitoring module, is arranged in the panel board of automobile, for detecting automobile driving speed, when automobile driving speed is greater than setting threshold, send overspeed alarming signal, when automobile driving speed returns within setting threshold, send automobile driving speed normal signal, described volume controller module is arranged in the panel board of automobile, and connect described pass-by noise detection module, described internal car noise detection module, described automotive acoustic speaker, described internal microphone, described automobile external loudspeaker and described Bus-Speed Monitoring module, when the external noise level signal received is the severe class of pollution, the sound of blowing a whistle arranging described automobile external loudspeaker is 120 decibels, when the external noise level signal received is intermediate pollution grade, the sound of blowing a whistle arranging described automobile external loudspeaker is 100 decibels, when the external noise level signal received is slight pollution grade, the sound of blowing a whistle arranging described automobile external loudspeaker is 80 decibels, when receive external noise level signal be the better grade of quality and superior in quality grade time, the sound of blowing a whistle arranging described automobile external loudspeaker is 60 decibels, when the internal noise level signal received is the severe class of pollution, the sound arranging described automotive acoustic speaker is 80 decibels, when the internal noise level signal received is intermediate pollution grade, the sound arranging described automotive acoustic speaker is 70 decibels, when the internal noise level signal received is slight pollution grade, the sound arranging described automotive acoustic speaker is 60 decibels, when the internal noise level signal received be the better grade of quality and superior in quality grade time, the sound arranging described automotive acoustic speaker is 50 decibels, when receiving overspeed alarming signal, stop described automotive acoustic speaker to the broadcasting of described external sound signal, change the voice content play hypervelocity taboo and answer the call into, when receiving automobile driving speed normal signal, recover the broadcasting of described automotive acoustic speaker to described external sound signal, solar storage battery, there is photovoltaic panel and be arranged in car roof, when electric power in solar storage battery is sufficient, for described pass-by noise detection module, described internal car noise detection module, described first blue tooth interface, described internal microphone, described automotive acoustic speaker, described automobile external loudspeaker, described Bus-Speed Monitoring module and described volume controller module for power supply, when the electric power in solar storage battery is not enough, changing the automobile storage battery that automobile carries into is described pass-by noise detection module, described internal car noise detection module, described first blue tooth interface, described internal microphone, described automotive acoustic speaker, described automobile external loudspeaker, described Bus-Speed Monitoring module and described volume controller module for power supply, wherein, noise grade is divided into the serious pollution grade, the intermediate pollution grade of 60-65 decibel, the slight pollution grade of 55-60 decibel, the better grade of quality of 50-55 decibel that are greater than 65 decibels and is less than the superior in quality grade of 50 decibels, wherein, the ambient noise that described pass-by noise detection module and described internal car noise detection module detect is all the mean value of the ambient noise collected in preset time period, wherein, also echo cancellation circuit coupling is comprised between described internal microphone and described first blue tooth interface, between described first blue tooth interface and described automotive acoustic speaker, also comprise echo cancellation circuit coupling, described echo cancellation circuit coupling for eliminating echo, to improve mobile phone communication quality.
More specifically, described Vehicular volume control system comprises further: memory module, prohibits the voice content of answering the call for storing described hypervelocity.
More specifically, described Vehicular volume control system comprises further: manual switchover module, between the automobile storage battery that solar storage battery and automobile carry, carry out supply of electric power switching.
More specifically, described Vehicular volume control system comprises further: described driver use the mobile communications network at the current place of mobile phone to be global system for mobile communications GSM.
Accompanying drawing explanation
Below with reference to accompanying drawing, embodiment of the present invention are described, wherein:
The block diagram of the Vehicular volume control system that Fig. 1 illustrates according to an embodiment of the present invention.
Wherein, 1, parking stall noise detection module; 2, internal car noise detection module; 3, the first blue tooth interface; 4, internal microphone; 5, automotive acoustic speaker; 6, automobile external loudspeaker; 7, Bus-Speed Monitoring module; 8, volume controller module; 9, solar storage battery.
Embodiment
Below with reference to accompanying drawings the embodiment of Vehicular volume control system of the present invention is described in detail.
Fig. 1 illustrates the block diagram of the Vehicular volume control system illustrated according to an embodiment of the present invention.Wherein Vehicular volume control system comprises, pass-by noise detection module 1 and internal car noise detection module 2, detects the noise of automobile external environment, the noise of internal environment respectively; Volume controller module 8, connect described pass-by noise detection module 1 and described internal car noise detection module 2, to determine the volume of automobile external loudspeaker and automotive acoustic speaker respectively according to the testing result of described pass-by noise detection module 1 and described internal car noise detection module 2.Further, described Vehicular volume control system also comprises, described pass-by noise detection module 1 is arranged on body of a motor car, for detecting the noise of automobile external environment, and export corresponding external noise level signal, described internal car noise detection module 2 is arranged on the A post of automobile, for detecting the noise of automotive interior environment, and export corresponding internal noise level signal, first blue tooth interface 3, be arranged in the panel board of automobile, receive driver use the second blue tooth interface of mobile phone to send external sound signal, the voice signal of the driver from internal microphone 4 is forwarded to driver use the blue tooth interface of mobile phone, described external sound signal from described driver use the mobile communications network at the current place of mobile phone, internal microphone 4, is arranged on the steering wheel of automobile, connects described first blue tooth interface, gathers the voice signal of driver and the voice signal of the driver collected is sent to described first blue tooth interface, automotive acoustic speaker 5, is arranged in the panel board of automobile, connects described first blue tooth interface 3, receives described external sound signal and play described external sound signal, automobile external loudspeaker 6, are arranged on body of a motor car, receive the whistle signal that driver is triggered by the pushbutton unit on steering wheel, send to start inner loudspeaker device according to described whistle signal sound of blowing a whistle, Bus-Speed Monitoring module 7, is arranged in the panel board of automobile, for detecting automobile driving speed, when automobile driving speed is greater than setting threshold, send overspeed alarming signal, when automobile driving speed returns within setting threshold, send automobile driving speed normal signal, described volume controller module 8 is arranged in the panel board of automobile, and connect described pass-by noise detection module 1, described internal car noise detection module 2, described internal microphone 4, described automotive acoustic speaker 5, described automobile external loudspeaker 6 and described Bus-Speed Monitoring module 7, when the external noise level signal received is the severe class of pollution, the sound of blowing a whistle arranging described automobile external loudspeaker 6 is 120 decibels, when the external noise level signal received is intermediate pollution grade, the sound of blowing a whistle arranging described automobile external loudspeaker 6 is 100 decibels, when the external noise level signal received is slight pollution grade, the sound of blowing a whistle arranging described automobile external loudspeaker 6 is 80 decibels, when receive external noise level signal be the better grade of quality and superior in quality grade time, the sound of blowing a whistle arranging described automobile external loudspeaker 6 is 60 decibels, when the internal noise level signal received is the severe class of pollution, the sound arranging described automotive acoustic speaker 5 is 80 decibels, when the internal noise level signal received is intermediate pollution grade, the sound arranging described automotive acoustic speaker 5 is 70 decibels, when the internal noise level signal received is slight pollution grade, the sound arranging described automotive acoustic speaker 5 is 60 decibels, when the internal noise level signal received be the better grade of quality and superior in quality grade time, the sound arranging described automotive acoustic speaker 5 is 50 decibels, when receiving overspeed alarming signal, stop described automotive acoustic speaker 5 to the broadcasting of described external sound signal, change the voice content play hypervelocity taboo and answer the call into, when receiving automobile driving speed normal signal, recover described automotive acoustic speaker 5 to the broadcasting of described external sound signal, solar storage battery 9, there is photovoltaic panel and be arranged in car roof, when electric power in solar storage battery is sufficient, for described pass-by noise detection module 1, described internal car noise detection module 2, described first blue tooth interface 3, described internal microphone 4, described automotive acoustic speaker 5, described automobile external loudspeaker 6, described Bus-Speed Monitoring module 7 and described volume controller module 8 are powered, when the electric power in solar storage battery 9 is not enough, changing the automobile storage battery that automobile carries into is described pass-by noise detection module 1, described internal car noise detection module 2, described first blue tooth interface 3, described internal microphone 4, described automotive acoustic speaker 5, described automobile external loudspeaker 6, described Bus-Speed Monitoring module 7 and described volume controller module 8 are powered, wherein, noise grade is divided into the serious pollution grade, the intermediate pollution grade of 60-65 decibel, the slight pollution grade of 55-60 decibel, the better grade of quality of 50-55 decibel that are greater than 65 decibels and is less than the superior in quality grade of 50 decibels, wherein, the ambient noise that described pass-by noise detection module 1 and described internal car noise detection module 2 detect is all the mean value of the ambient noise collected in preset time period, wherein, also echo cancellation circuit coupling is comprised between described internal microphone 4 and described first blue tooth interface 3, between described first blue tooth interface 3 and described automotive acoustic speaker 5, also comprise echo cancellation circuit coupling, described echo cancellation circuit coupling for eliminating echo, to improve mobile phone communication quality.
Wherein, solar storage battery is " storage battery " application in solar energy power generating, and what adopt at present has plumbic acid maintenance-free storage battery, common lead acid accumulator, colloid storage battery and alkaline nickel-cadmium storage battery four kinds.The domestic solar storage battery be widely used at present is mainly: plumbic acid maintenance-free storage battery and colloid storage battery, this two classes storage battery, because its intrinsic " exempting from " maintenance characteristics and to the feature of environment compared with of low pollution, be well suited for the solar power supply system for dependable performance, particularly unattended work station.Solar storage battery should possess following characteristic: 1, reasonable deeper cavity ability, has and well overcharge and cross exoergic power; 2, the long-life, the long-life batteries that special technological design and colloidal electrolyte ensure; 3, different environmental requirements is suitable for, as High aititude, high temperature, the battery that can normally use under the condition that low temperature etc. are different.
In addition, described Vehicular volume control system comprises further: memory module, prohibits the voice content of answering the call for storing described hypervelocity.Described memory module can be random access memory ram or flash memory or SD card, and user vehicle can revise the voice content of described memory module, to obtain the speech play information oneself liked.
Wherein, memory (Memory) is the memory device in computer system, is used for program of depositing and data.Full detail in computer, comprises the initial data of input, computer program, middle operation result and final operation result and all preserves in memory.The position that he specifies according to controller stored in taking-up information.Had memory, computer just has memory function, and guarantee normally works.Main storage (internal memory) and additional storage (external memory) can be divided into by purposes memory, also have the sorting technique being divided into external memory storage and internal storage.External memory is magnetic medium or CD etc. normally, can preserve information for a long time.Internal memory refers to the memory unit on mainboard, be used for depositing the current data that performing and program, but only for temporarily depositing program and data, powered-down or power-off, data can be lost.
In addition, described Vehicular volume control system comprises further: manual switchover module, between the automobile storage battery that solar storage battery 9 and automobile carry, carry out supply of electric power switching.Manual switchover module can ensure that the supply that can transfer manual control power supply when automatically switching and breaking down to switches, and ensures the power supply supply of each electronic equipment in automobile.
In addition, described Vehicular volume control system comprises further: described driver use the mobile communications network at the current place of mobile phone to be global system for mobile communications GSM.Except gsm communication network, described driver use the mobile communications network at the current place of mobile phone also can be GPRS network or 3G, 4G communication network.
Wherein, GSM is the abbreviation of GlobalSystemForMobileCommunications, the digital mobile communication standard worked out by ETSI ETSI, GSM is the abbreviation of global system for mobile communications (GlobalSystemforMobilecommunications).His air interface adopts tdma.Since the mid-90 puts it into commercial operation, adopted more than 100 countries by the whole world.The equipment of GSM standard occupies Present Global cellular mobile communication equipment Market more than 80%.GSM is current application mobile phone standard the most widely.The whole world is using GSM phone more than 200 countries and regions more than 1,000,000,000 people.All users can endorsed free-roaming between " Roaming agreements " mobile-phone carrier.GSM is digital than the maximum signaling not being both him of the standard before him and voice channel, and therefore GSM is counted as the second generation (2G) mobile telephone system.This illustrates that digital communication is from being building up to system very early.GSM is a current open standard developed by 3GPP.From User Perspective, the main advantage of GSM is that user can make one's options between higher digital speech quality and low expense.The advantage of Virtual network operator is that they can according to their Equipments Setting of different customizations, because GSM provides easier interoperability as open standard.Like this, standard just allows Virtual network operator to provide roaming service, and user just can use their mobile phone in the whole world.GSM is as the standard of a continual exploitation, and keep the GSM phone that back compatible is original, such as message switching ability is just added into in the standard of Release'97 version, namely GPRS.High-speed data exchanges and also just introduces in Release'99 version standard, mainly EDGE and UMTS standard.
Adopt Vehicular volume control system of the present invention, improve the Vehicular volume control system of original fixed mode or MANUAL CONTROL mode, blow a whistle volume and the Che Nei acoustics volume of outer for car loudspeaker are adapted to respectively with car external environment noise and environment inside car noise automatically, ensure that pedestrian and user vehicle can hear blowing a whistle and audible sound in car of the outer loudspeaker of car, improve the automaticity of sound-volume control system, ensure the traffic safety of automobile and the validity of hoot device broadcasting.
Be understandable that, although the present invention with preferred embodiment disclose as above, but above-described embodiment and be not used to limit the present invention.For any those of ordinary skill in the art, do not departing under technical solution of the present invention ambit, the technology contents of above-mentioned announcement all can be utilized to make many possible variations and modification to technical solution of the present invention, or be revised as the Equivalent embodiments of equivalent variations.Therefore, every content not departing from technical solution of the present invention, according to technical spirit of the present invention to any simple modification made for any of the above embodiments, equivalent variations and modification, all still belongs in the scope of technical solution of the present invention protection.
Claims (1)
1. a Vehicular volume control system, is characterized in that, described system comprises:
Pass-by noise detection module and internal car noise detection module, detect the noise of automobile external environment, the noise of internal environment respectively;
Volume controller module, connect described pass-by noise detection module and described internal car noise detection module, to determine the volume of automobile external loudspeaker and automotive acoustic speaker respectively according to the testing result of described pass-by noise detection module and described internal car noise detection module
Also comprise:
Described pass-by noise detection module is arranged on body of a motor car, for detecting the noise of automobile external environment, and exports corresponding external noise level signal,
Described internal car noise detection module is arranged on the A post of automobile, for detecting the noise of automotive interior environment, and exports corresponding internal noise level signal,
First blue tooth interface, be arranged in the panel board of automobile, receive driver use the second blue tooth interface of mobile phone to send external sound signal, the voice signal of the driver from internal microphone is forwarded to driver use the blue tooth interface of mobile phone, described external sound signal from described driver use the mobile communications network at the current place of mobile phone;
Internal microphone, is arranged on the steering wheel of automobile, connects described first blue tooth interface, gathers the voice signal of driver and the voice signal of the driver collected is sent to described first blue tooth interface;
Automotive acoustic speaker, is arranged in the panel board of automobile, connects described first blue tooth interface, receives described external sound signal and plays described external sound signal;
Automobile external loudspeaker, are arranged on body of a motor car, receive the whistle signal that driver is triggered by the pushbutton unit on steering wheel, send to start inner loudspeaker device according to described whistle signal sound of blowing a whistle;
Bus-Speed Monitoring module, is arranged in the panel board of automobile, for detecting automobile driving speed, when automobile driving speed is greater than setting threshold, send overspeed alarming signal, when automobile driving speed returns within setting threshold, send automobile driving speed normal signal;
Described volume controller module is arranged in the panel board of automobile, and connect described pass-by noise detection module, described internal car noise detection module, described internal microphone, described automotive acoustic speaker, described automobile external loudspeaker and described Bus-Speed Monitoring module, when the external noise level signal received is the severe class of pollution, the sound of blowing a whistle arranging described automobile external loudspeaker is 120 decibels, when the external noise level signal received is intermediate pollution grade, the sound of blowing a whistle arranging described automobile external loudspeaker is 100 decibels, when the external noise level signal received is slight pollution grade, the sound of blowing a whistle arranging described automobile external loudspeaker is 80 decibels, when receive external noise level signal be the better grade of quality and superior in quality grade time, the sound of blowing a whistle arranging described automobile external loudspeaker is 60 decibels, when the internal noise level signal received is the severe class of pollution, the sound arranging described automotive acoustic speaker is 80 decibels, when the internal noise level signal received is intermediate pollution grade, the sound arranging described automotive acoustic speaker is 70 decibels, when the internal noise level signal received is slight pollution grade, the sound arranging described automotive acoustic speaker is 60 decibels, when the internal noise level signal received be the better grade of quality and superior in quality grade time, the sound arranging described automotive acoustic speaker is 50 decibels, when receiving overspeed alarming signal, stop described automotive acoustic speaker to the broadcasting of described external sound signal, change the voice content play hypervelocity taboo and answer the call into, when receiving automobile driving speed normal signal, recover the broadcasting of described automotive acoustic speaker to described external sound signal,
Solar storage battery, there is photovoltaic panel and be arranged in car roof, when electric power in solar storage battery is sufficient, for described pass-by noise detection module, described internal car noise detection module, described first blue tooth interface, described internal microphone, described automotive acoustic speaker, described automobile external loudspeaker, described Bus-Speed Monitoring module and described volume controller module for power supply, when the electric power in solar storage battery is not enough, changing the automobile storage battery that automobile carries into is described pass-by noise detection module, described internal car noise detection module, described first blue tooth interface, described internal microphone, described automotive acoustic speaker, described automobile external loudspeaker, described Bus-Speed Monitoring module and described volume controller module for power supply,
Wherein, noise grade is divided into the serious pollution grade, the intermediate pollution grade of 60-65 decibel, the slight pollution grade of 55-60 decibel, the better grade of quality of 50-55 decibel that are greater than 65 decibels and is less than the superior in quality grade of 50 decibels;
Wherein, the ambient noise that described pass-by noise detection module and described internal car noise detection module detect is all the mean value of the ambient noise collected in preset time period;
Wherein, also echo cancellation circuit coupling is comprised between described internal microphone and described first blue tooth interface, between described first blue tooth interface and described automotive acoustic speaker, also comprise echo cancellation circuit coupling, described echo cancellation circuit coupling for eliminating echo, to improve mobile phone communication quality.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510650065.5A CN105228053B (en) | 2013-05-15 | 2013-05-15 | Vehicular volume control system |
| CN201310181044.4A CN103297895B (en) | 2013-05-15 | 2013-05-15 | Vehicular volume control system |
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| CN201310181044.4A CN103297895B (en) | 2013-05-15 | 2013-05-15 | Vehicular volume control system |
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| CN201510650065.5A Division CN105228053B (en) | 2013-05-15 | 2013-05-15 | Vehicular volume control system |
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| CN103297895A CN103297895A (en) | 2013-09-11 |
| CN103297895B true CN103297895B (en) | 2016-01-06 |
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Families Citing this family (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103297895B (en) * | 2013-05-15 | 2016-01-06 | 海安常大技术转移中心有限公司 | Vehicular volume control system |
| KR20150054306A (en) * | 2013-11-11 | 2015-05-20 | 현대모비스 주식회사 | Apparatus for warning sound output control of vehicle and method thereof |
| CN103648069B (en) * | 2013-11-28 | 2017-01-18 | 长城汽车股份有限公司 | Intelligent vehicle-mounted environmental sound lead-in system |
| CN104760544A (en) * | 2014-01-07 | 2015-07-08 | 北汽福田汽车股份有限公司 | Vehicle radio volume automatic adjusting device, amusement system and vehicle |
| CN105270257B (en) * | 2015-08-17 | 2017-12-12 | 深圳市美好幸福生活安全系统有限公司 | The advanced alarm volume automatic regulating method driven in auxiliary of automobile |
| EP3171613A1 (en) * | 2015-11-20 | 2017-05-24 | Harman Becker Automotive Systems GmbH | Audio enhancement |
| WO2017120904A1 (en) * | 2016-01-15 | 2017-07-20 | 常平 | Method for adjusting volume level on the basis of surrounding environment and audio player |
| WO2017120903A1 (en) * | 2016-01-15 | 2017-07-20 | 常平 | Information pushing method during volume adjustment, and audio plaer |
| CN107458309A (en) * | 2016-06-02 | 2017-12-12 | 深圳华汽车科技有限公司 | Based on the information exchange display system and method with condition and scene |
| CN106671777A (en) * | 2016-12-12 | 2017-05-17 | 芜湖市吉安汽车电子销售有限公司 | Wireless vehicle-mounted multimedia processing system |
| CN107547979A (en) * | 2017-10-24 | 2018-01-05 | 中车株洲电力机车有限公司 | A kind of method and device for controlling rail vehicle speaker volume |
| CN112208686A (en) * | 2020-09-16 | 2021-01-12 | 纳恩博（天津）科技有限公司 | Data processing method and electric motorcycle |
| CN112235756B (en) * | 2020-10-12 | 2023-12-29 | 安徽芯智科技有限公司 | Vehicle-mounted Bluetooth sound intelligent control method |
| CN112672255B (en) * | 2020-12-26 | 2022-06-28 | 东风汽车集团有限公司 | Method and device for adaptively adjusting volume of sound source of whole vehicle |
| CN114419913B (en) * | 2021-12-28 | 2023-08-11 | 北京梧桐车联科技有限责任公司 | In-vehicle reminding method and device, vehicle and storage medium |
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| CN103297895B (en) * | 2013-05-15 | 2016-01-06 | 海安常大技术转移中心有限公司 | Vehicular volume control system |
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- 2013-05-15 CN CN201510650065.5A patent/CN105228053B/en not_active Expired - Fee Related
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| KR19990052089A (en) * | 1997-12-20 | 1999-07-05 | 정몽규 | Car audio volume automatic control device |
| CN102711030A (en) * | 2012-05-30 | 2012-10-03 | 蒋憧 | Intelligent audio system for vehicle and sound source adjustment method for intelligent audio system |
| CN102802101A (en) * | 2012-08-24 | 2012-11-28 | 上海交通大学 | Device for reducing noise pollution of automobile horn and application of device |
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|---|---|
| CN105228053B (en) | 2016-08-24 |
| CN103297895A (en) | 2013-09-11 |
| CN105228053A (en) | 2016-01-06 |
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