CN110234048A - Interior sound zone control device and method, controller and medium - Google Patents
Interior sound zone control device and method, controller and medium Download PDFInfo
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- CN110234048A CN110234048A CN201910108045.3A CN201910108045A CN110234048A CN 110234048 A CN110234048 A CN 110234048A CN 201910108045 A CN201910108045 A CN 201910108045A CN 110234048 A CN110234048 A CN 110234048A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R3/00—Circuits for transducers, loudspeakers or microphones
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2430/00—Signal processing covered by H04R, not provided for in its groups
Abstract
The present invention relates to a kind of interior sound zone control device and method, controller and media, device includes main control module, power amplifier module and multiple directional transmissions modules, a corresponding channel between power amplifier module and each directional transmissions module, corresponding one interior sound field of each directional transmissions module；Main control module is configured to the channel sent needed for judging audio signal, obtains channel number pending, and channel number pending and audio signal are sent to power amplifier module；Power amplifier module is configured to audio signal amplifying presupposition multiple, and amplified audio signal is sent to the corresponding directional transmissions module of channel number pending；Directional transmissions module is configured to amplified audio signal directional transmissions to corresponding sound field.The present invention is based on the highly directives of parametric loudspeaker, realize the direction propagation of sound, simple easily to realize so that interior driver and passenger only receive relative sound, to the adaptable of vehicle environment, are more widely applied and flexibly.
Description
Technical field
The present invention relates to car audio system technical field more particularly to a kind of interior sound zone control device and sides
Method, controller and medium.
Background technique
With the increase of automobile high-end system occupation rate on the market, more and more users start to pursue it is more comfortable with
Pleasant interior audible environment.In the case where normally travel, car can generate a variety of different sound, such as navigation hint, sound
It is happy, hand-free call and interior alarm etc., but and the passenger of not all position require to receive above-mentioned all sound.For example, navigation
Prompt and interior alarm are critically important to driver, but influence whether that passenger appreciates music, and passenger enjoy music, broadcast and
Film etc. when sound, also influence whether driver.Therefore driver and passenger how is enable to possess one's own only
Vertical sound equipment area realizes that personalized interior sound equipment experience is particularly important.
In the prior art, the technologies such as Hamann sound equipment independence sound area can be used and realize that interior sound subregion, Hamann sound equipment are independent
Sound area technology uses innovative Sound design and complementary digital information processing system, can optimize the directionality of loudspeaker
Can, and reduce the crosstalk in interior each section.But in existing independent sound area scheme, it usually needs be furnished with Microspeaker skill
The head-rest type loudspeaker of art, and realized positioned at the electro-dynamic planar loudspeakers of roof, and digital signal need to pass through specially treated
To adapt to interior space and loudspeaker, to reconcile music, voice or the noise in other regions.Above scheme is to sound system loudspeaking
The loudspeaker demand of device is higher, algorithm is complicated, different environment inside car and passenger position is required specially to debug, to vehicle
Ambient adaptability is poor.
Summary of the invention
Present invention aims at provide a kind of interior sound zone control device and method, controller and medium, based on ginseng
The highly directive for measuring loudspeaker, realizes the direction propagation of sound, so that interior driver and passenger only receive relative sound
Sound, the present invention simply easily realize, to the adaptable of vehicle environment, are more widely applied and flexibly.
In order to solve the above-mentioned technical problem, according to a first embodiment of the present invention, a kind of interior sound zonal control is provided
Device, comprising: main control module, power amplifier module and multiple directional transmissions modules, wherein the main control module and the power amplifier module
It is connected, the power amplifier module is connected by multiple channels with the multiple directional transmissions module, the power amplifier module and every
A corresponding channel between the one directional transmissions module, each directional transmissions module corresponding interior sound area
Domain；
The main control module is configured to the channel sent needed for judging audio signal, obtains channel number pending, and will be described
Channel number pending and the audio signal are sent to power amplifier module；
The power amplifier module is configured to the audio signal amplifying presupposition multiple, and the amplified audio signal is sent out
Send directional transmissions module corresponding to the channel number pending；
The directional transmissions module is configured to the amplified audio signal directional transmissions to corresponding sound field,
So that the corresponding passenger in the sound field receives corresponding sound.
Further, the directional transmissions module includes parametric array loudspeaker, and the parametric array loudspeaker can will be after amplification
Audio signal directional transmissions to corresponding interior sound field default human ear region, the parametric array loudspeaker with it is corresponding
The distance in the human ear region is more than or equal to default safe distance.
Further, described device includes the M interior sound fields, and M is the positive integer more than or equal to 2, Mei Yicheng
The visitor corresponding one interior sound field, corresponding first sound field of driver, the corresponding sound field m of m passenger, m=
2,3 ... M,
The corresponding parametric array loudspeaker in first sound field is mounted on instrument desk and windshield angle, instrument board
Screen sides, master drive corresponding front-seat roof liner or master drives at corresponding A column；
The corresponding parametric array loudspeaker in the sound field the m is mounted on the passenger corresponding front-seat roof liner, A column, heel row
At roof liner, D column, tail-gate or interior bottom plate.
Further, car is provided with M sound transmission channel, and M is the positive integer more than or equal to 2, and the correspondence of channel number 1 is driven
The person of sailing, the corresponding m passenger of channel number m, m=2,3 ... M, the main control module includes judging unit, is configured to judge audio signal
The channel of required transmission obtains channel number pending；Specifically:
Judge the audio signal classification, including the first audio signal, the second audio signal and third audio signal, it is described
First audio signal is only used for being sent to car sound area locating for driver；Second audio signal for be sent to driver with
And car sound area locating for interior whole passengers；Third audio signal is for being sent to car sound area locating for specified passenger；
If the audio signal belongs to the first audio signal, channel number pending is 1；
If the audio signal belongs to the second audio signal, channel number pending is 1-M；
If the audio signal belongs to third audio signal, channel number pending is that car sound area locating for specified passenger is corresponding
Channel number.
Further, first audio signal includes navigation voice signal, alarm sound signal；
Second audio signal includes music sound signal, audio-visual voice signal and broadcasting sound signal；
The third audio signal includes music sound signal, audio-visual voice signal, broadcasting sound signal, call sound letter
Number.
According to a second embodiment of the present invention, a kind of interior sound partition control method is provided, multiple sound are arranged in car
Transmission channel, the corresponding sound field in each channel, comprising:
Judge the channel sent needed for audio signal, obtains channel number pending；
The audio signal is amplified into presupposition multiple；
By amplified audio signal directional transmissions to the corresponding sound field of the channel number pending.
Further, described by amplified audio signal directional transmissions to the corresponding sound area of the channel number pending
Domain, comprising:
Using parametric array loudspeaker by amplified audio signal directional transmissions to the corresponding sound of the channel number pending
The default human ear region in region, the parametric array loudspeaker are more than or equal to default safety at a distance from the corresponding human ear region
Distance.
Further, interior includes the M interior sound fields, and M is the positive integer more than or equal to 2, each passenger couple
Answer the interior sound field, corresponding first sound field of driver, the corresponding sound field m of m passenger, m=2,3 ...
M,
The corresponding parametric array loudspeaker in first sound field is mounted on instrument desk and windshield angle, instrument board
Screen sides, master drive corresponding front-seat roof liner or master drives at corresponding A column；
The corresponding parametric array loudspeaker in the sound field the m is mounted on the passenger corresponding front-seat roof liner, A column, heel row
At roof liner, D column, tail-gate or interior bottom plate.
Further, car is provided with M sound transmission channel, and M is the positive integer more than or equal to 2, and the correspondence of channel number 1 is driven
The person of sailing, the corresponding m passenger of channel number m, m=2,3 ... M, the required channel sent of judgement audio signal obtain channel pending
Number；Include:
Judge the audio signal classification, including the first audio signal, the second audio signal and third audio signal, it is described
First audio signal is only used for being sent to car sound area locating for driver；Second audio signal for be sent to driver with
And car sound area locating for interior whole passengers；Third audio signal is for being sent to car sound area locating for specified passenger；
If the audio signal belongs to the first audio signal, channel number pending is 1；
If the audio signal belongs to the second audio signal, channel number pending is 1-M；
If the audio signal belongs to third audio signal, channel number pending is that car sound area locating for specified passenger is corresponding
Channel number.
Further, first audio signal includes navigation voice signal, alarm sound signal；
Second audio signal includes music sound signal, audio-visual voice signal and broadcasting sound signal；
The third audio signal includes music sound signal, audio-visual voice signal, broadcasting sound signal, call sound letter
Number.
Another aspect according to the present invention provides a kind of controller comprising memory and processor, the memory storage
There is the step of computer program, described program can be realized the method when being executed by the processor.
Another aspect according to the present invention provides a kind of computer readable storage medium, described for storing computer instruction
The step of instruction realizes the method when by a computer or processor execution.
The present invention has obvious advantages and beneficial effects compared with the existing technology.By above-mentioned technical proposal, the present invention
It is a kind of car sound zone control device and method, controller and medium can reach comparable technical progress and practicability, and
With the extensive utility value in industry, at least have the advantage that
The present invention is by being arranged multiple directional transmissions modules, so that interior each passenger can possess the independent sound of oneself
Region, the highly directive based on parametric loudspeaker realize the direction propagation of sound so that interior driver and passenger only receives and
Its relevant sound, the present invention simply easily realizes, at low cost, to the adaptable of vehicle environment, is more widely applied and flexibly.
Improve the experience by bus of driver and passenger inside the vehicle.
The above description is only an overview of the technical scheme of the present invention, in order to better understand the technical means of the present invention,
And it can be implemented in accordance with the contents of the specification, and in order to allow above and other objects, features and advantages of the invention can
It is clearer and more comprehensible, it is special below to lift preferred embodiment, and cooperate attached drawing, detailed description are as follows.
Detailed description of the invention
Fig. 1 provides interior sound zone control device schematic diagram for one embodiment of the invention；
Fig. 2 is that the audio of parametric array loudspeaker propagates schematic diagram；
Fig. 3 is that the audio of traditional loudspeaker propagates schematic diagram；
Fig. 4 is the interior sound partition control method schematic diagram that one embodiment of the invention provides.
[symbol description]
1: main control module 2: power amplifier module
3: directional transmissions module
Specific embodiment
It is of the invention to reach the technical means and efficacy that predetermined goal of the invention is taken further to illustrate, below in conjunction with
Attached drawing and preferred embodiment, to a kind of interior sound zone control device proposed according to the present invention and method, controller and Jie
The specific embodiment and its effect of matter, detailed description is as follows.
The present invention applies example and provides a kind of interior sound zone control device, as shown in Figure 1, comprising: main control module 1, function
Amplification module 2 and multiple directional transmissions modules 3, wherein main control module 1 is connected with power amplifier module 2, and power amplifier module 2 passes through multiple
Channel is connected with multiple directional transmissions modules 3, a corresponding channel between power amplifier module 2 and each directional transmissions module 3, often
The one interior sound field of corresponding one of orientation transmission module 3.Wherein, main control module 1 is configured to send needed for judging audio signal
Channel, obtain channel number pending, and channel number pending and the audio signal are sent to power amplifier module 2；Power amplifier module 2
It is configured to the audio signal amplifying presupposition multiple, amplified audio signal is sent to the corresponding orientation of channel number pending
Transmission module 3；Directional transmissions module 3 is configured to amplified audio signal directional transmissions to corresponding sound field, so that
It obtains the corresponding passenger in the sound field and receives corresponding sound.Described device enables driver and passenger to possess and belongs to certainly
Oneself independent sound equipment area realizes personalized interior sound equipment experience.
Power amplifier module 2 is equipment basic in sound system, it is used for faint from signal source (also toneable platform)
Electric signal is amplified to be made a sound with drive the speaker, and specific presupposition multiple is set according to the specific broadcasting demand of device,
Details are not described herein.
As an example, the directional transmissions module 3 includes parametric array loudspeaker, and parametric array loudspeaker has strong be directed toward
Property, principle is to be modulated audio signal with ultrasonic carrier signal, when being propagated in air medium using ultrasonic carrier
Nonlinear effect regenerates audio signal, and the orientating function of loudspeaker is realized by the highly directive of ultrasonic carrier, thus
Ensure that interior driver and passenger are only hearing relative sound.The parametric array loudspeaker can be by amplified audio signal
For directional transmissions to the default human ear region of corresponding interior sound field, the specific setting position of parametric array loudspeaker can be according to it
The region of setting, preset human ear region and audio signal are propagated route and are specifically set.Preset human ear region, that is, each
After seat occupant is normally taken a seat, the region for the audio signal that corresponding parametric array loudspeaker is sent, such as the head of passenger can receive
Portion region.
Further, since the characteristic of ultrasonic wave, parametric array loudspeaker is maintained a certain distance with human ear needs, and passenger is avoided to produce
The discomforts such as raw dizziness, therefore, the parametric array loudspeaker are more than or equal to default safety at a distance from the corresponding human ear region
Distance, as an example, default safe distance is 300mm.Using parametric array loudspeaker, audible sound is modulated to supersonic band,
And using the super directional properties of ultrasonic wave, realize that the direction propagation of audible sound, the audio of parametric array loudspeaker propagate schematic diagram
As shown in Fig. 2, the audio of traditional loudspeaker propagates schematic diagram as shown in figure 3, Fig. 2 Fig. 3 comparison can clearly embody parametric array
The highly directive of loudspeaker.Directional characteristic of the embodiment of the present invention based on parametric array loudspeaker, it is only necessary to install parametric array loudspeaker
Interior independent sound field can be simply divided, the adaptable of vehicle environment is more widely applied without complicated operation
With it is flexible.
Assuming that described device includes the M interior sound fields, M is the positive integer more than or equal to 2, and each passenger is corresponding
One interior sound field, corresponding first sound field of driver, the corresponding sound field m of m passenger, m=2,3 ... M,
As an example, the corresponding parametric array loudspeaker in first sound field is mounted on instrument desk and windshield angle, instrument
Disk screen sides, master drive corresponding front-seat roof liner or master drives at corresponding A column, the sound which sends to driving
Member, at the same driver and it is main drive chair headrest etc. and can block sound continue to propagate, so that other passengers will not be made to hear this
Sound, the passenger side passenger and rear passenger are unaffected.The corresponding parametric array loudspeaker in the sound field the m is mounted on
At the corresponding front-seat roof liner of the passenger, A column, heel row roof liner, D column, tail-gate or interior bottom plate, but it is understood that, upper rheme
Set it is merely illustrative, if be able to satisfy sound directional transmissions to corresponding passenger, and make the parametric array loudspeaker with it is corresponding
The distance in the human ear region is more than or equal to the interior location of default safe distance, mountable corresponding parametric array loudspeaker.
Corresponding to above-mentioned example, car is also equipped with M sound transmission channel, and M is the positive integer more than or equal to 2, channel
Number 1 corresponding driver, the corresponding m passenger of channel number m, m=2,3 ... M, the main control module 1 includes judging unit, is configured to sentence
The channel sent needed for disconnected audio signal, obtains channel number pending, specifically:
Judge the audio signal classification, including the first audio signal, the second audio signal and third audio signal, it is described
First audio signal is only used for being sent to car sound area locating for driver；Second audio signal for be sent to driver with
And car sound area locating for interior whole passengers；Third audio signal is for being sent to car sound area locating for specified passenger；
If the audio signal belongs to the first audio signal, channel number pending is 1；
If the audio signal belongs to the second audio signal, channel number pending is 1-M；
If the audio signal belongs to third audio signal, channel number pending is that car sound area locating for specified passenger is corresponding
Channel number.
As an example, first audio signal includes navigation voice signal, alarm sound signal；The second audio letter
Number include music sound signal, audio-visual voice signal and broadcasting sound signal；The third audio signal includes musical sound letter
Number, audio-visual voice signal, broadcasting sound signal, call voice signal, it should be noted that the first audio signal, the second audio
Signal and third audio signal can mutually be converted according to specific broadcasting demand.For the second audio signal, all parameters can be passed through
Battle array loudspeaker plays respectively, and it is corresponding for playing the second audio signal in the car that a conventional loudspeakers can also still further be arranged
Sound.
Below by way of several concrete application scenes, to further describe the embodiment of the present invention, with five-seater in following example
For be illustrated:
Embodiment one,
Master drives, and the passenger side and heel row have passenger, and current car plays music, and the voice signal of the music corresponds to second
Audio signal, i.e. driver and all passengers listen to the sound, and main control module 1 gets navigation voice signal or alarm sound
Signal, and judge to navigate voice signal or alarm sound signal belong to the first audio signal, at this time main control module 1 will continue to
Function module transmits music sound signal, while sending navigation voice signal or alarm sound signal, and the music sound signal pair
The channel number answered is all channel numbers, and navigation voice signal or the corresponding volume channel number of alarm sound signal are 1.Power amplifier module 2
After carrying out corresponding amplification and information transmission, music continuation is broadcast in conventional loudspeakers channel or all parametric array loudspeakers
The information such as put, navigate or alarm only pass through main drive in corresponding parametric array loudspeaker channel and play, in this case:
A) new navigation sound or alarm sound can normally position of driver: be received while listening to music；
B) other interior passenger positions, including copilot passenger and rear passenger: continue to enjoy music, not by above-mentioned navigation
The influence of sound or alarm sound.
Embodiment two,
Master drives, and the passenger side and heel row have passenger, and when interior quiet, copilot passenger opens viewing vehicle carried video, at this time
Main control module 1 receives copilot region and corresponds to audio-visual voice signal, and judges that the signal belongs to third audio signal, channel number
It is 2, then main control module 1 sends audio-visual voice signal to power amplifier module 2, and informs that function module puts the information only in the passenger side parametric array
Played in loudspeaker channel, power amplifier module 2 amplify and information transmission after, which is sent to the passenger side parametric array
Loudspeaker, in this case:
A) position of driver: can't hear that this is audio-visual, not by any sound interference；
B) copilot station: the audio-visual of separate space is enjoyed；
C) other passenger positions: it is the same with position of driver, not by any sound interference.
Embodiment three,
Master drives, and the passenger side and heel row have passenger, and when car plays music, which corresponds to the second audio
Signal, i.e. driver and all passengers listen to the sound, and passenger's mobile phone connects 1 bluetooth of main control module on the left of heel row, and dials
Bluetooth telephone, main control module 1 can get call voice signal at this time, judge the call voice signal for third audio signal,
The corresponding channel number of passenger position is 3 on the left of heel row after assuming that, then the corresponding channel number of call voice signal is 3, meanwhile, it should
Music sound signal is converted to third audio signal by the second audio signal, and corresponding channel number is converted to other in addition to 3
Channel number.Main control module 1 by the music sound signal to power amplifier module 2, while also by the call voice signal to power amplifier module
2, the corresponding channel number of the music sound signal is all channel numbers in addition to 3, the corresponding channel number of call voice signal
It is 3.After power amplifier module 2 carries out corresponding amplification and information transmission, music continues in all ginsengs in addition to heel row leftward position
It is played in amount battle array loudspeaker channel, bluetooth telephone information is only broadcast in the corresponding parametric array loudspeaker channel of heel row leftward position
It puts, in this case:
A) position of driver: continue to enjoy music, not by the sound interference of bluetooth telephone another party；
B) copilot station: it is the same with position of driver, continue to enjoy music, it is not dry by the sound of bluetooth telephone another party
It disturbs；
C) heel row leftward position: can normally answer bluetooth telephone, and stop playing music, and call is done in reduction
It disturbs；
D) heel row other positions: it is the same with steering position, continue to enjoy music, it is not dry by the sound of bluetooth telephone another party
It disturbs.
Based on interior sound zone control device described in the embodiment of the present invention, the embodiment of the invention also provides a kind of vehicles
Multiple sound transmission channels, the corresponding sound field in each channel, such as Fig. 4 institute is arranged in interior sound partition control method, car
Show, the described method comprises the following steps:
Step S1, judge the channel sent needed for audio signal, obtain channel number pending；
Step S2, the audio signal is amplified into presupposition multiple；
Wherein, step S2 realizes that power amplifier module is equipment basic in sound system by power amplifier module, it is used for next
It amplifies from the ultra-weak electronic signal of signal source (being then from sound console in professional sound system) with drive the speaker sending sound
Sound, specific presupposition multiple are set according to the specific broadcasting demand of device, and details are not described herein.
Step S3, by amplified audio signal directional transmissions to the corresponding sound field of the channel number pending, so that
It obtains the corresponding passenger in the sound field and receives corresponding sound.
The method enables driver and passenger to possess one's own independent sound equipment area, realizes personalized interior sound
Ring experience.
As an example, the step S3 is included: and is oriented amplified audio signal using parametric array loudspeaker to pass
Transport to the default human ear region of the corresponding sound field of the channel number pending, the parametric array loudspeaker and the corresponding people
The distance of lug areas is more than or equal to default safe distance, as an example, default safe distance is 300mm.Base of the embodiment of the present invention
In the directional characteristic of parametric array loudspeaker, it is only necessary to which interior independent sound field, nothing can simply be divided by installing parametric array loudspeaker
Complicated operation is needed, to the adaptable of vehicle environment, is more widely applied and flexibly.
Assuming that interior includes the M interior sound fields, M is the positive integer more than or equal to 2, and each passenger is one corresponding
The car sound field, corresponding first sound field of driver, the corresponding sound field m of m passenger, m=2,3 ... M, as
Example, the corresponding parametric array loudspeaker in first sound field are mounted on instrument desk and windshield angle, instrument board screen
Curtain two sides, master drive corresponding front-seat roof liner or master drives at corresponding A column, the sound which sends to driver,
Simultaneously driver and it is main drive chair headrest etc. and can block sound continue to propagate, so that other passengers will not be made to hear the sound
Sound, the passenger side passenger and rear passenger are unaffected.The corresponding parametric array loudspeaker in the sound field the m is mounted on this
At the corresponding front-seat roof liner of passenger, A column, heel row roof liner, D column, tail-gate or interior bottom plate, but it is understood that, above-mentioned position
It is merely illustrative, as long as being able to satisfy sound directional transmissions to corresponding passenger, and make the parametric array loudspeaker and corresponding institute
The distance for stating human ear region is more than or equal to the interior location of default safe distance, mountable parametric array loudspeaker.
Corresponding to above-mentioned example, car is provided with M sound transmission channel, and M is the positive integer more than or equal to 2, channel number 1
Corresponding driver, the corresponding m passenger of channel number m, m=2,3 ... M, the step S1 include:
Step S11, judge the audio signal classification, including the first audio signal, the second audio signal and third audio
Signal, first audio signal are only used for being sent to car sound area locating for driver；Second audio signal is for sending
To car sound area locating for driver and interior whole passengers；Third audio signal is for being sent to car sound locating for specified passenger
Area；
If step S12, the described audio signal belongs to the first audio signal, channel number pending is 1；If the audio signal
Belong to the second audio signal, then channel number pending is 1-M；If the audio signal belongs to third audio signal, channel pending
Number for the corresponding channel number in car sound area locating for specified passenger.
As an example, the first audio signal includes navigation voice signal, alarm sound signal；Second audio signal includes sound
Music sound signal, audio-visual voice signal and broadcasting sound signal；Third audio signal includes music sound signal, audio-visual sound letter
Number, broadcasting sound signal, call voice signal, it should be noted that the first audio signal, the second audio signal and third audio
Signal can mutually be converted according to specific broadcasting demand.
The embodiment of the present invention also provides a kind of controller comprising memory and processor, the memory are stored with meter
The step of calculation machine program, described program can be realized the interior sound partition control method when being executed by the processor.
The embodiment of the present invention also provides a kind of computer readable storage medium, for storing computer instruction, described instruction
The step of realizing the interior sound partition control method when by a computer or processor execution.
The embodiment of the present invention is by being arranged multiple directional transmissions modules, so that interior each passenger can possess the only of oneself
Vertical sound field, the highly directive based on parametric loudspeaker realize the direction propagation of sound, so that interior driver and passenger are only
Relative sound is received, the present invention simply easily realizes, it is at low cost, to the adaptable of vehicle environment, it is more widely applied
With it is flexible, improve experiencing by bus for driver and passenger inside the vehicle.
The above described is only a preferred embodiment of the present invention, be not intended to limit the present invention in any form, though
So the present invention has been disclosed as a preferred embodiment, and however, it is not intended to limit the invention, any technology people for being familiar with this profession
Member, without departing from the scope of the present invention, when the technology contents using the disclosure above make a little change or modification
For the equivalent embodiment of equivalent variations, but anything that does not depart from the technical scheme of the invention content, according to the technical essence of the invention
Any simple modification, equivalent change and modification to the above embodiments, all of which are still within the scope of the technical scheme of the invention.
Claims (12)
1. a kind of car sound zone control device characterized by comprising
Main control module, power amplifier module and multiple directional transmissions modules, wherein the main control module is connected with the power amplifier module
It connects, the power amplifier module is connected by multiple channels with the multiple directional transmissions module, the power amplifier module and each institute
State a corresponding channel between directional transmissions module, corresponding one interior sound field of each directional transmissions module；
The main control module is configured to the channel sent needed for judging audio signal, obtains channel number pending, and will be described pending
Channel number and the audio signal are sent to power amplifier module；
The power amplifier module is configured to the audio signal amplifying presupposition multiple, and the amplified audio signal is sent to
The corresponding directional transmissions module of the channel number pending；
The directional transmissions module is configured to the amplified audio signal directional transmissions to corresponding sound field, so that
It obtains the corresponding passenger in the sound field and receives corresponding sound.
2. car sound zone control device according to claim 1, which is characterized in that
The directional transmissions module includes parametric array loudspeaker, and the parametric array loudspeaker can orient amplified audio signal
It is transmitted to the default human ear region of corresponding interior sound field, the parametric array loudspeaker and the corresponding human ear region
Distance is more than or equal to default safe distance.
3. car sound zone control device according to claim 2, which is characterized in that
Described device includes the M interior sound fields, and M is the positive integer more than or equal to 2, and each passenger corresponds to described in one
Interior sound field, corresponding first sound field of driver, the corresponding sound field m of m passenger, m=2,3 ... M,
The corresponding parametric array loudspeaker in first sound field is mounted on instrument desk and windshield angle, instrument board screen
Corresponding front-seat roof liner is driven in two sides, master or master drives at corresponding A column；
The corresponding parametric array loudspeaker in the sound field the m be mounted on the corresponding front-seat roof liner of the passenger, A column, heel row roof liner,
At D column, tail-gate or interior bottom plate.
4. interior sound zone control device described in any one of -3 according to claim 1, which is characterized in that
Car is provided with M sound transmission channel, and M is the positive integer more than or equal to 2, the corresponding driver of channel number 1, channel number m
Corresponding m passenger, m=2,3 ... M, the main control module includes judging unit, is configured to send needed for judging audio signal logical
Road obtains channel number pending；Specifically:
Judge the audio signal classification, including the first audio signal, the second audio signal and third audio signal, described first
Audio signal is only used for being sent to car sound area locating for driver；Second audio signal is for being sent to driver and vehicle
Car sound area locating for interior whole passenger；Third audio signal is for being sent to car sound area locating for specified passenger；
If the audio signal belongs to the first audio signal, channel number pending is 1；
If the audio signal belongs to the second audio signal, channel number pending is 1-M；
If the audio signal belongs to third audio signal, channel number pending is that car sound area locating for specified passenger is corresponding logical
Taoist monastic name.
5. car sound zone control device according to claim 4, which is characterized in that
First audio signal includes navigation voice signal, alarm sound signal；
Second audio signal includes music sound signal, audio-visual voice signal and broadcasting sound signal；
The third audio signal includes music sound signal, audio-visual voice signal, broadcasting sound signal, call voice signal.
6. a kind of car sound partition control method, which is characterized in that multiple sound transmission channels, each channel pair is arranged in car
Answer a sound field, which comprises
Judge the channel sent needed for audio signal, obtains channel number pending；
The audio signal is amplified into presupposition multiple；
By amplified audio signal directional transmissions to the corresponding sound field of the channel number pending.
7. car sound partition control method according to claim 6, which is characterized in that
It is described by amplified audio signal directional transmissions to the corresponding sound field of the channel number pending, comprising:
Using parametric array loudspeaker by amplified audio signal directional transmissions to the corresponding sound field of the channel number pending
Default human ear region, the parametric array loudspeaker be more than or equal at a distance from the corresponding human ear region default safety away from
From.
8. car sound partition control method according to claim 7, which is characterized in that
Car includes the M interior sound fields, and M is the positive integer more than or equal to 2, the corresponding car of each passenger
Sound field, corresponding first sound field of driver, the corresponding sound field m of m passenger, m=2,3 ... M,
The corresponding parametric array loudspeaker in first sound field is mounted on instrument desk and windshield angle, instrument board screen
Corresponding front-seat roof liner is driven in two sides, master or master drives at corresponding A column；
The corresponding parametric array loudspeaker in the sound field the m be mounted on the corresponding front-seat roof liner of the passenger, A column, heel row roof liner,
At D column, tail-gate or interior bottom plate.
9. the interior sound partition control method according to any one of claim 6-8, which is characterized in that
Car is provided with M sound transmission channel, and M is the positive integer more than or equal to 2, the corresponding driver of channel number 1, channel number m
Corresponding m passenger, m=2,3 ... M, the required channel sent of judgement audio signal obtain channel number pending；Include:
Judge the audio signal classification, including the first audio signal, the second audio signal and third audio signal, described first
Audio signal is only used for being sent to car sound area locating for driver；Second audio signal is for being sent to driver and vehicle
Car sound area locating for interior whole passenger；Third audio signal is for being sent to car sound area locating for specified passenger；
If the audio signal belongs to the first audio signal, channel number pending is 1；
If the audio signal belongs to the second audio signal, channel number pending is 1-M；
If the audio signal belongs to third audio signal, channel number pending is that car sound area locating for specified passenger is corresponding logical
Taoist monastic name.
10. car sound partition control method according to claim 9, which is characterized in that
First audio signal includes navigation voice signal, alarm sound signal；
Second audio signal includes music sound signal, audio-visual voice signal and broadcasting sound signal；
The third audio signal includes music sound signal, audio-visual voice signal, broadcasting sound signal, call voice signal.
11. a kind of controller comprising memory and processor, it is characterised in that: the memory is stored with computer program,
Described program can be realized method described in any one of claim 6 to 10 claim when being executed by the processor
The step of.
12. a kind of computer readable storage medium, for storing computer instruction, it is characterised in that: described instruction is by a meter
The step of calculation machine or processor realize the method as described in any one of claim 6 to 10 claim when executing.
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| WO2023035472A1 (en) * | 2021-09-07 | 2023-03-16 | 歌尔股份有限公司 | Audio system and control method and apparatus thereof |
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| CN114430498A (en) * | 2021-12-31 | 2022-05-03 | 惠州华阳通用智慧车载系统开发有限公司 | Vehicle-mounted machine dual-area audio system and control method |
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