CN109720272A - Horn of motor vehicle sound processing method and system - Google Patents
Horn of motor vehicle sound processing method and system Download PDFInfo
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- CN109720272A CN109720272A CN201811422437.9A CN201811422437A CN109720272A CN 109720272 A CN109720272 A CN 109720272A CN 201811422437 A CN201811422437 A CN 201811422437A CN 109720272 A CN109720272 A CN 109720272A
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Abstract
The present invention proposes horn of motor vehicle sound processing method and system.Method includes: that more than one sound acquisition module of vehicle exterior vehicle body installation acquires environment sound signal respectively, and the environment sound signal of acquisition is sent to filtered audio module；Filtered audio module receives environment sound signal and is filtered to the environment sound signal received according to preset filter algorithm, obtains horn of motor vehicle audio signal, and horn of motor vehicle audio signal is sent to power amplifier module；Power amplifier module receives motor vehicle horn audio signal, according to preset power amplification algorithm, the volume of horn of motor vehicle audio signal is amplified to preset comfortable volume range, amplified horn of motor vehicle audio signal is sent to the audio playing module inside motor vehicle body；Audio playing module plays the horn of motor vehicle audio signal received.The present invention improves the sense of hearing comfort level of horn of motor vehicle sound.
Description
Technical field
The present invention relates to Audio Signal Processing technical field more particularly to horn of motor vehicle sound processing method and systems.
Background technique
Motor vehicles are such as: automobile, electric vehicle are widely applied at present, bring great convenience to people's lives.
The wave volume of the loudspeaker of car can reach 70 decibels or more even up to 80 decibels at present, the loudspeaker such as car
Wave volume is even up to 100 decibels or more, this not only brings discomfort to roadside pedestrian, and even passengers inside the car can also feel
Discomfort, and city vehicle substantial amounts, car horn sound become a very important noise source.There is regulation explicit order
Forbid in particular moment (such as late into the night) and specific region (such as hospital, convalescence area, school) whistle or guarantees that noise level does not surpass
Cross certain level.However the means for relying solely on law can not still prevent the problem of disorderly blowing a whistle.
Summary of the invention
The present invention provides horn of motor vehicle sound processing method and system, comfortable with the sense of hearing for improving horn of motor vehicle sound
Degree.
The technical scheme of the present invention is realized as follows:
A kind of horn of motor vehicle sound processing method, this method comprises:
More than one sound acquisition module of vehicle exterior vehicle body installation acquires environment sound signal respectively, by the ring of acquisition
Border sound signal is sent to filtered audio module；
Filtered audio module receives environment sound signal, according to preset filter algorithm, to the environment sound signal received into
Row filtering, obtains horn of motor vehicle audio signal, horn of motor vehicle audio signal is sent to power amplifier module；
Power amplifier module receives motor vehicle horn audio signal, according to preset power amplification algorithm, by motor vehicle loudspeaker
The volume of audio signal is amplified to preset comfortable volume range, and amplified horn of motor vehicle audio signal is sent to machine
The audio playing module of motor-car interior of body；
Audio playing module plays the horn of motor vehicle audio signal received.
More than one sound acquisition module of vehicle exterior vehicle body installation acquire respectively before environment sound signal into
One step includes: that the volume range of horn of motor vehicle is reduced to preset comfortable volume range in advance.
The comfortable volume range is 40 decibels to 60 decibels.
A kind of horn of motor vehicle sound processing system, the system include: more than one sound acquisition module, a filtered audio
Module, a power amplifier module and an audio playing module, in which:
Sound acquisition module acquires environment sound signal, the environment sound signal of acquisition is sent to filtered audio module；
Filtered audio module receives environment sound signal, according to preset filter algorithm, to the environment sound signal received into
Row filtering, obtains horn of motor vehicle audio signal, horn of motor vehicle audio signal is sent to power amplifier module；
Power amplifier module receives motor vehicle horn audio signal, according to preset power amplification algorithm, by motor vehicle loudspeaker
The volume of audio signal is amplified to preset comfortable volume range, and amplified horn of motor vehicle audio signal is sent to sound
Frequency playing module；
Audio playing module plays the horn of motor vehicle audio signal received.
The system further comprises that horn volume adjustment module will be motor-driven according to the volume adjustment order that user inputs
The volume range of vehicle loudspeaker is reduced to preset comfortable volume range.
The sound acquisition module is mounted on vehicle exterior vehicle body, and the audio playing module is mounted in motor vehicle
Portion is at position of driver.
The power amplifier module and audio playing module are integrated in same device, and power amplifier module and audio play
The integrated device of module is mounted on interior of motor vehicles at position of driver.
A kind of horn of motor vehicle sound processing system, the system include: more than one sound collection and filtered audio module,
One power amplifier module and an audio playing module, in which:
Sound collection and filtered audio module acquire environment sound signal, according to preset filter algorithm, by the environment of acquisition
Sound signal is filtered, and obtains horn of motor vehicle audio signal, and horn of motor vehicle audio signal is sent to power amplifier module；
Power amplifier module receives motor vehicle horn audio signal, according to preset power amplification algorithm, by motor vehicle loudspeaker
The volume of audio signal is amplified to preset comfortable volume range, and amplified horn of motor vehicle audio signal is sent to sound
Frequency playing module；
Audio playing module plays the horn of motor vehicle audio signal received.
The system further comprises that horn volume adjustment module will be motor-driven according to the volume adjustment order that user inputs
The volume range of vehicle loudspeaker is reduced to preset comfortable volume range.
The sound collection and filtered audio module are mounted on vehicle exterior vehicle body, the audio playing module installation
In interior of motor vehicles at position of driver.
The present invention obtains horn of motor vehicle audio signal, then to machine by being filtered to the environment sound signal of acquisition
Motor-car horn audio signal carries out power amplification, broadcasts after the volume of horn of motor vehicle audio signal is amplified to comfortable volume range
It puts, improves the sense of hearing comfort level of horn of motor vehicle sound.
Detailed description of the invention
Only illustratively description and explain the present invention for the following drawings, not delimit the scope of the invention.
Fig. 1 is the horn of motor vehicle sound processing method flow chart that one embodiment of the invention provides；
Fig. 2 be another embodiment of the present invention provides horn of motor vehicle sound processing method flow chart；
Fig. 3 is the structural schematic diagram for the horn of motor vehicle sound processing system that one embodiment of the invention provides；
Fig. 4 be another embodiment of the present invention provides horn of motor vehicle sound processing system structural schematic diagram.
Specific embodiment
In order to which the technical features, objects and effects of invention are more clearly understood, the Detailed description of the invention present invention is now compareed
Specific embodiment.
Since the volume of existing horn of motor vehicle is larger, then following development trend is the sound for reducing horn of motor vehicle
Amount, such as: its volume is just reduced before loudspeaker factory, or volume knob is set for loudspeaker, and driver can be as needed
It adjusts horn volume and, with the enhancing of vehicle sound insulation value, will lead to the driver of motor vehicle then the problem of thus bringing is
The tucket of surrounding vehicles is not heard.
Fig. 1 is the horn of motor vehicle sound processing method flow chart that one embodiment of the invention provides, the specific steps of which are as follows:
Step 101: more than one sound acquisition module of vehicle exterior vehicle body installation acquires environment sound signal respectively, will
The environment sound signal of acquisition is sent to filtered audio module.
Step 102: filtered audio module receives environment sound signal, according to preset filter algorithm, to the environment received
Sound signal is filtered, and obtains horn of motor vehicle audio signal, and horn of motor vehicle audio signal is sent to power amplifier module.
Step 103: power amplifier module receives motor vehicle horn audio signal, will according to preset power amplification algorithm
The volume of horn of motor vehicle audio signal is amplified to preset comfortable volume range, by amplified horn of motor vehicle audio signal
It is sent to audio playing module.
Step 104: audio playing module plays the horn of motor vehicle audio signal received.
Since the volume range of existing horn of motor vehicle is generally all at 70 decibels or more, and the comfortable volume range of human ear is
40-60 decibels.In practical applications, the volume range of horn of motor vehicle can be reduced to the comfortable volume range of human ear in advance.
Specifically, the comfortable volume range of human ear can be set such as by its volume range before horn of motor vehicle dispatches from the factory: 40-60 decibels；
Alternatively, the volume of horn of motor vehicle is transferred to the comfortable volume range of human ear such as manually if the volume of horn of motor vehicle is adjustable:
40-60 decibels；Alternatively, the volume of motor-car loudspeaker is transferred to the comfortable volume range of human ear such as by other volume adjustment technologies:
40-60 decibels.
Fig. 2 be another embodiment of the present invention provides horn of motor vehicle sound processing method flow chart, specific steps are such as
Under:
Step 201: the volume range of horn of motor vehicle being reduced to preset volume range in advance.
The volume range of existing horn of motor vehicle is generally all at 70 decibels or more, and the comfortable volume range of human ear is 40-
60 decibels, preset volume range can be the comfortable volume range of human ear in this step.
Specifically, 40-60 decibels can be set by its volume range before horn of motor vehicle dispatches from the factory；Alternatively, if motor vehicle
The volume of loudspeaker is adjustable, then the volume of horn of motor vehicle is transferred to 40-60 decibels manually；Alternatively, passing through other volume adjustment skills
The volume of motor-car loudspeaker is transferred to the comfortable volume range of human ear such as by art: 40-60 decibels.
Step 202: sound acquisition module being installed respectively at the multiple positions of vehicle exterior vehicle body in advance, outside motor vehicle
Portion's vehicle body or interior of motor vehicles install filtered audio module, and power amplification mould is arranged in vehicle exterior vehicle body or interior of motor vehicles
Audio playing module is arranged close to the position of driver in interior of motor vehicles in block.
Such as: can before vehicle exterior vehicle body in, it is rear in, it is left, right in a sound collection mould is installed respectively
Block.
In practical applications, if sound collection function and filtered audio function are integrated in a device, in motor vehicle
Sound collection and filtered audio integrated device are placed respectively at the external multiple positions of vehicle body.
In addition, if power amplification function and audio playing function are integrated in a device, by power amplification and audio
It plays integrated device and interior of motor vehicles is set at the position of driver.
Step 203: each sound acquisition module acquires environment sound signal respectively, and the environment sound signal of acquisition is sent to audio
Filtering module.
Step 204: filtered audio module receives environment sound signal, according to preset filter algorithm, to the environment received
Sound signal is filtered, and obtains horn of motor vehicle audio signal, and horn of motor vehicle audio signal is sent to power amplifier module.
Filter algorithm can be configured according to features such as frequency, the waveforms of horn of motor vehicle audio signal.
Step 205: power amplifier module receives motor vehicle horn audio signal, will according to preset power amplification algorithm
The volume of horn of motor vehicle audio signal is amplified to preset comfortable volume range, by amplified horn of motor vehicle audio signal
It is sent to audio playing module.
Step 206: audio playing module plays the horn of motor vehicle audio signal received.
Fig. 3 is the structural schematic diagram for the horn of motor vehicle sound processing system that one embodiment of the invention provides, system master
It include: that more than one sound acquisition module 31, a filtered audio module 32, a power amplifier module 33 and an audio play mould
Block 34, in which:
Sound acquisition module 31 acquires environment sound signal, the environment sound signal of acquisition is sent to filtered audio module 32.
Filtered audio module 32 receives the environment sound signal sent of sound acquisition module 31, according to preset filter algorithm,
The environment sound signal received is filtered, horn of motor vehicle audio signal is obtained, horn of motor vehicle audio signal is sent
To power amplifier module 33.
Power amplifier module 33 receives the horn of motor vehicle audio signal that filtered audio module 32 is sent, according to preset
The volume of horn of motor vehicle audio signal is amplified to preset comfortable volume range, by amplified machine by power amplification algorithm
Motor-car horn audio signal is sent to audio playing module 34.
Audio playing module 34 receives the horn of motor vehicle audio signal that power amplifier module 33 is sent, it is motor-driven to play this
Vehicle horn audio signal.
In practical applications, which further comprises: horn volume adjusts module, the volume adjustment inputted according to user
Order, is reduced to preset comfortable volume range for the volume range of horn of motor vehicle.
In practical applications, the volume of horn of motor vehicle audio signal is amplified to preset comfortable by power amplifier module 33
Volume range are as follows: the volume of horn of motor vehicle audio signal is amplified to 40 decibels to 60 decibels.
In practical applications, sound acquisition module 31 is mounted on vehicle exterior vehicle body, and audio playing module 34 is installed
In interior of motor vehicles at position of driver.
In practical applications, power amplifier module 33 and audio playing module 34 are integrated in same device, power amplification
The integrated device of module 33 and audio playing module 34 is mounted on interior of motor vehicles at position of driver.
Fig. 4 be another embodiment of the present invention provides horn of motor vehicle sound processing system structural schematic diagram, the system
Specifically include that more than one sound collection and filtered audio module 41, a power amplifier module 42 and an audio playing module 43,
Wherein:
Sound collection and filtered audio module 41 acquire environment sound signal, according to preset filter algorithm, by the ring of acquisition
Border sound signal is filtered, and obtains horn of motor vehicle audio signal, and horn of motor vehicle audio signal is sent to power amplification mould
Block 42.
The horn of motor vehicle audio signal that power amplifier module 42, reception sound collection and filtered audio module 41 are sent,
According to preset power amplification algorithm, the volume of horn of motor vehicle audio signal is amplified to preset comfortable volume range, it will
Amplified horn of motor vehicle audio signal is sent to audio playing module 43.
Audio playing module 43 receives the horn of motor vehicle audio signal that power amplifier module 42 is sent, it is motor-driven to play this
Vehicle horn audio signal.
In practical applications, which further comprises: horn volume adjusts module, the volume adjustment inputted according to user
Order, is reduced to preset comfortable volume range for the volume range of horn of motor vehicle.
In practical applications, the volume of horn of motor vehicle audio signal is amplified to preset comfortable by power amplifier module 42
Volume range are as follows: the volume of horn of motor vehicle audio signal is amplified to 40 decibels to 60 decibels.
In practical applications, sound collection and filtered audio module 41 are mounted on vehicle exterior vehicle body, and audio plays
Module 43 is mounted on interior of motor vehicles at position of driver.
The advantageous effects of the embodiment of the present invention are as follows:
By being filtered to the environment sound signal of acquisition, horn of motor vehicle audio signal is obtained, then to motor vehicle loudspeaker
Audio signal carries out power amplification, plays after the volume of horn of motor vehicle audio signal is amplified to comfortable volume range, from
And when the volume of horn of motor vehicle is lower, guarantee that the driver of other vehicles can hear the tucket of the motor vehicle, and by
In the volume of horn audio signal is amplified to comfortable volume range, the sense of hearing comfort level of horn of motor vehicle sound is improved.
The series of detailed descriptions listed above only for feasible embodiment of the invention specifically
Protection scope that is bright, and being not intended to limit the invention, it is all without departing from equivalent embodiments made by technical spirit of the present invention or
Change, such as the combination, segmentation or repetition of feature, should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of horn of motor vehicle sound processing method, which is characterized in that this method comprises:
More than one sound acquisition module of vehicle exterior vehicle body installation acquires environment sound signal respectively, by the ambient sound of acquisition
Signal is sent to filtered audio module；
Filtered audio module receives environment sound signal and was carried out according to preset filter algorithm to the environment sound signal received
Filter, obtains horn of motor vehicle audio signal, horn of motor vehicle audio signal is sent to power amplifier module；
Power amplifier module receives motor vehicle horn audio signal, according to preset power amplification algorithm, by horn of motor vehicle sound
The volume of frequency signal is amplified to preset comfortable volume range, and amplified horn of motor vehicle audio signal is sent to motor vehicle
The audio playing module of interior of body；
Audio playing module plays the horn of motor vehicle audio signal received.
2. the method according to claim 1, wherein more than one sound of vehicle exterior vehicle body installation
Acquisition module further comprises before acquiring environment sound signal respectively: being in advance reduced to the volume range of horn of motor vehicle default
Comfortable volume range.
3. method according to claim 1 or 2, which is characterized in that the comfortable volume range is 40 decibels to 60 decibels.
4. a kind of horn of motor vehicle sound processing system, which is characterized in that the system include: more than one sound acquisition module,
One filtered audio module, a power amplifier module and an audio playing module, in which:
Sound acquisition module acquires environment sound signal, the environment sound signal of acquisition is sent to filtered audio module；
Filtered audio module receives environment sound signal and was carried out according to preset filter algorithm to the environment sound signal received
Filter, obtains horn of motor vehicle audio signal, horn of motor vehicle audio signal is sent to power amplifier module；
Power amplifier module receives motor vehicle horn audio signal, according to preset power amplification algorithm, by horn of motor vehicle sound
The volume of frequency signal is amplified to preset comfortable volume range, and amplified horn of motor vehicle audio signal is sent to audio and is broadcast
Amplification module；
Audio playing module plays the horn of motor vehicle audio signal received.
5. system according to claim 4, which is characterized in that the system further comprises horn volume adjustment module,
According to the volume adjustment order that user inputs, the volume range of horn of motor vehicle is reduced to preset comfortable volume range.
6. system according to claim 4, which is characterized in that the sound acquisition module is mounted on vehicle exterior vehicle body
On, the audio playing module is mounted on interior of motor vehicles at position of driver.
7. system according to claim 4, which is characterized in that the power amplifier module and audio playing module are integrated in
In same device, the integrated device of power amplifier module and audio playing module is mounted on interior of motor vehicles close to position of driver
Place.
8. a kind of horn of motor vehicle sound processing system, which is characterized in that the system includes: more than one sound collection and audio
Filtering module, a power amplifier module and an audio playing module, in which:
Sound collection and filtered audio module acquire environment sound signal, according to preset filter algorithm, by the environment message of acquisition
It number is filtered, obtains horn of motor vehicle audio signal, horn of motor vehicle audio signal is sent to power amplifier module；
Power amplifier module receives motor vehicle horn audio signal, according to preset power amplification algorithm, by horn of motor vehicle sound
The volume of frequency signal is amplified to preset comfortable volume range, and amplified horn of motor vehicle audio signal is sent to audio and is broadcast
Amplification module；
Audio playing module plays the horn of motor vehicle audio signal received.
9. system according to claim 8, which is characterized in that the system further comprises horn volume adjustment module,
According to the volume adjustment order that user inputs, the volume range of horn of motor vehicle is reduced to preset comfortable volume range.
10. system according to claim 8, which is characterized in that the sound collection and filtered audio module are mounted on machine
Outside motor-car on vehicle body, the audio playing module is mounted on interior of motor vehicles at position of driver.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811422437.9A CN109720272A (en) | 2018-11-27 | 2018-11-27 | Horn of motor vehicle sound processing method and system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811422437.9A CN109720272A (en) | 2018-11-27 | 2018-11-27 | Horn of motor vehicle sound processing method and system |
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| CN103407404A (en) * | 2013-08-02 | 2013-11-27 | 武汉保华显示科技有限公司 | New energy automobile approach alarming system and new energy automobile approach alarming method |
| CN106114363A (en) * | 2015-12-22 | 2016-11-16 | 西华大学 | Response instruction system in vehicle whistle car |
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Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2763933Y (en) * | 2004-11-08 | 2006-03-08 | 孙喜庆 | Low db gentle horn for motor vehicle |
| CN1785716A (en) * | 2004-12-06 | 2006-06-14 | 田延生 | Device for lowering automobile born noise and improving running safety |
| CN1960579A (en) * | 2006-11-09 | 2007-05-09 | 西南石油大学 | Device inside automobile wheelhouse for monitoring horn sounds of other vehicles |
| US20100060439A1 (en) * | 2008-09-05 | 2010-03-11 | Brian Robert Fitzgerald | Directional warning systems |
| CN102760461A (en) * | 2012-05-28 | 2012-10-31 | 杭州联汇数字科技有限公司 | Volume adaptive control audio playing equipment and method |
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| CN106114363A (en) * | 2015-12-22 | 2016-11-16 | 西华大学 | Response instruction system in vehicle whistle car |
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