CN109218894A - Vehicle-mounted orientation sound system, control method and vehicle - Google Patents
Vehicle-mounted orientation sound system, control method and vehicle Download PDFInfo
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- CN109218894A CN109218894A CN201710518033.9A CN201710518033A CN109218894A CN 109218894 A CN109218894 A CN 109218894A CN 201710518033 A CN201710518033 A CN 201710518033A CN 109218894 A CN109218894 A CN 109218894A
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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
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
-
- 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2420/00—Details of connection covered by H04R, not provided for in its groups
- H04R2420/03—Connection circuits to selectively connect loudspeakers or headphones to amplifiers
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- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Circuit For Audible Band Transducer (AREA)
- Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)
Abstract
The present invention provides a kind of vehicle-mounted orientation sound system, control method and vehicles.Vehicle-mounted orientation sound system includes: multiple audio players, and multiple audio players are corresponded in interior multiple regions, with to corresponding interior region sounding, wherein audio player includes ultrasonic transducer；Input signal control module is connected, at least one audio signal to be sent to corresponding audio player by least one voice-grade channel correspondingly with multiple audio players respectively by multiple voice-grade channels；Vehicle-mounted computer, according to user demand from multiple audio players selection target audio player, and control input signal control module conducting correspond to target audio player voice-grade channel, with by target audio player plays user select audio signal.Vehicle-mounted orientation sound system of the invention can be the interior auditory perception for bringing secret sound field for different users.
Description
Technical field
The present invention relates to automobile technical field, in particular to a kind of vehicle-mounted orientation sound system, control method and vehicle.
Background technique
In automobile cabin, in order to provide the window that can watch video to rear passenger, in the related technology,
Some products by arrangement of display screens at the back side of front-row seats, or pass through rear space design display screen deployment mechanism
Complete the individual demand of interior different members.But in terms of audio, in order to avoid the different audios mutually played between user
Sound interfere with each other and secret protection to different user, the mode of usually increase separate headset play audio content.
And the mode of earphone is worn, it will increase interior component, and wearing earphone for a long time can cause the uncomfortable even damage of user to be listened
Power is unfavorable for the protection of the subregion and privacy of user of interior space sound field.
Summary of the invention
In view of this, the present invention is directed to propose a kind of vehicle-mounted orientation sound system, the system can be logical by multiple audios
Road separately controls the different audio of multiple audio player plays, also, multiple audio players play difference simultaneously
Audio when, due to use audio player correspond in interior multiple regions, different audio players is to car
Sounding on direction where different regions, therefore, when multiple audio players play different audios simultaneously, interior multiple areas
Sound interference will not be formed between domain, is met the needs of different users, the interference to surrounding user is avoided, and promote the sound equipment of user
Usage experience brings the interior auditory perception of secret sound field for user.
In order to achieve the above objectives, the technical scheme of the present invention is realized as follows:
A kind of vehicle-mounted orientation sound system, comprising: multiple audio players, the multiple audio player correspond in
Interior multiple regions, with the sounding on the direction where corresponding interior region, wherein audio player includes ultrasonic wave transducer
Device；Input signal control module, the input signal control module pass through respectively multiple voice-grade channels correspondingly with it is described
Multiple audio players are connected, and the input signal control module is used at least one audio signal passing through at least one audio
Channel is sent to corresponding audio player；Vehicle-mounted computer, the vehicle-mounted computer are used for according to user demand from the multiple sound
Selection target audio player in frequency player, and control the input signal control module conducting and correspond to the target audio
The voice-grade channel of player, with the audio signal selected by the target audio player plays user.
Further, the vehicle-mounted computer includes: wireless locating module, and the wireless locating module is used for scanning car inner region
The wireless signal of the mobile terminal of user in domain；Controller, the controller are used to be determined according to the intensity of the wireless signal
Interior region where user, and the audio player corresponding to the interior region where the user is broadcast as the target
Put device.
Further, the vehicle-mounted computer further include: receiving port, the receiving port for receive vehicle device interface or
The target audio player selection instruction of the interactive interface input of mobile terminal and vehicle-mounted computer interconnection, the controller are also used to
The destination player of user's selection is determined according to the target audio player selection instruction.
Further, the vehicle-mounted computer is also used to when receiving audio player and being uniformly controlled instruction, by same sound
Frequency signal is sent to the multiple audio player simultaneously by multiple voice-grade channels of the input signal control module, with logical
Cross the same audio of the multiple audio player plays.
Further, the audio player includes: power amplifier；Sounding panel, the sounding panel have ultrasound
Wave transducer, the sounding panel are connected with the power amplifier.
Further, the input signal control module includes: multichannel sound card；The DA being connected with the multichannel sound card
Converter.
Further, the mobile terminal includes one or more in smart phone, tablet computer and wearable device
It is a.
Further, the multiple audio player is 4, corresponds respectively to the main driving region in interior region, pair
Driver area sits heel row region and has a heel row region, with respectively to main driving region, copilot region, sit heel row region and have
Sounding on direction where heel row region.
Vehicle-mounted orientation sound system of the invention can separately control multiple audios by multiple voice-grade channels and broadcast
It puts device and plays different audios, also, when multiple audio players play different audios simultaneously, played due to using audio
Device is corresponded in interior multiple regions, and different audio players is the sounding on the direction where interior different region,
Therefore, when multiple audio players play different audios simultaneously, sound interference will not be formed between interior multiple regions, is met
Different user demands avoids the interference to surrounding user, promotes the sound equipment usage experience of user, brings secret sound field for user
Interior auditory perception.
Second object of the present invention is to propose that a kind of control method of vehicle-mounted orientation sound system, this method can lead to
It crosses multiple voice-grade channels and separately controls the different audio of multiple audio player plays, also, multiple audio players
When playing different audios simultaneously, correspond due to using audio player in interior multiple regions, different audios is broadcast
Putting device is the sounding on the direction where interior different region, and therefore, multiple audio players play different audios simultaneously
When, sound interference will not be formed between interior multiple regions, meet the needs of different users, avoid the interference to surrounding user,
The sound equipment usage experience of user is promoted, the interior auditory perception of secret sound field is brought for user.
In order to achieve the above objectives, the technical scheme of the present invention is realized as follows:
A kind of control method of vehicle-mounted orientation sound system, the vehicle-mounted orientation sound system is according to above-described embodiment institute
The vehicle-mounted orientation sound system stated, which comprises according to user demand from multiple audio players selection target audio
Player；
The voice-grade channel that the conducting of input signal control module corresponds to the target audio player is controlled, by described
The audio signal of target audio player plays user selection.
The control method of the vehicle-mounted orientation sound system and above-mentioned vehicle-mounted orientation sound system are relative to existing skill
Advantage possessed by art is identical, and details are not described herein.
Third object of the present invention is to propose a kind of vehicle, which can be by multiple voice-grade channels independently
Ground controls the different audio of multiple audio player plays, also, when multiple audio players play different audios simultaneously, by
It corresponds in using audio player in interior multiple regions, different audio players is to interior different region institute
Direction on sounding therefore, will not shape between interior multiple regions when multiple audio players play different audios simultaneously
It at sound interference, meets the needs of different users, avoids the interference to surrounding user, promote the sound equipment usage experience of user, be
User brings the interior auditory perception of secret sound field.
In order to achieve the above objectives, the technical scheme of the present invention is realized as follows:
A kind of vehicle is provided with the vehicle-mounted orientation sound system as described in any one above-mentioned embodiment.
Possessed advantage is identical compared with the existing technology with above-mentioned vehicle-mounted orientation sound system for the vehicle, herein
It repeats no more.
Detailed description of the invention
The attached drawing for constituting a part of the invention is used to provide further understanding of the present invention, schematic reality of the invention
It applies example and its explanation is used to explain the present invention, do not constitute improper limitations of the present invention.In the accompanying drawings:
Fig. 1 is the structural block diagram of vehicle-mounted orientation sound system described in one embodiment of the invention；
Fig. 2 is the functional block diagram of vehicle-mounted orientation sound system described in one embodiment of the invention；
Fig. 3 is the course of work schematic diagram of vehicle-mounted orientation sound system described in another embodiment of the present invention；
Fig. 4 is the flow chart of the control method of vehicle-mounted orientation sound system described in one embodiment of the invention.
Description of symbols:
Multiple audio players 110, input signal control module 120, vehicle-mounted computer 130.
Specific embodiment
It should be noted that in the absence of conflict, the feature in embodiment and embodiment in the present invention can phase
Mutually combination.
The present invention will be described in detail below with reference to the accompanying drawings and embodiments.
Fig. 1 is the structural block diagram of vehicle-mounted orientation sound system according to an embodiment of the invention.
As shown in Figure 1, and combining Fig. 2, vehicle-mounted orientation sound system according to an embodiment of the invention, comprising: multiple
Audio player 110, input signal control module 120 and vehicle-mounted computer 130.
Wherein, multiple audio players 110 are corresponded in interior multiple regions, to where corresponding interior region
Sounding on direction, wherein audio player includes ultrasonic transducer.Input signal control module 120 passes through multiple sounds respectively
Frequency channel is connected with multiple audio players 110 correspondingly, and input signal control module 120 is used at least one audio
Signal is sent to corresponding audio player by least one voice-grade channel.Vehicle-mounted computer 130 be used for according to user demand from
Selection target audio player in multiple audio players, and control the conducting of input signal control module 120 and correspond to target sound
The voice-grade channel of frequency player, with the audio signal selected by target audio player plays user.
As depicted in figs. 1 and 2, audio player includes power amplifier and sounding panel.Sounding panel has ultrasonic wave
Energy converter, sounding panel are connected with power amplifier.Input signal control module 120 includes multichannel sound card and D/A converter.
D/A converter is connected with multichannel sound card.
In specific example of the invention, audio player 110 includes ultrasonic transducer.Ultrasonic transducer can be to
The directional transmissions of sound are carried out on the direction of certain angle, principle is by ultrasonic wave, utilizing modulates audio signals
Distinctive nonlinear interaction generates the sound with directive property from demodulation to ultrasonic wave in air, and in other directions, sound is very
It is small or even can't hear.Therefore, the propagation of sound has privacy, such as: sound is carried out on the direction of copilot region
Directional transmissions when, the user of copilot station can clearly hear sound, and main driving region, heel row region are then heard
Sound very little even be can't hear, it may be assumed that ensure that the privacy of sound transmission.
Multiple audio players are, for example, 4, correspond respectively to the main driving region in interior region, copilot region,
Sitting heel row region and has heel row region, with respectively to main driving region, copilot region, sit heel row region and have heel row region institute
Direction on sounding.By driver area, copilot region, heel row heel row left area and heel row right area for, then
Multiple audio players 110 may include to driver area direction carry out voice directional spreading the first audio player,
To copilot region direction carry out voice directional spreading the second audio player, to heel row left area direction into
The third audio player of row voice directional spreading, the 4th sound that voice directional spreading is carried out to heel row left area direction
Frequency player.That is: interior space is divided multiple regions by the multiple audio players 110 of Bus inner layout, and the audio of multiple regions is broadcast
Different audios can independently and simultaneously be played to multiple regions by putting device.
In this way, usual driver area can hear clearly sound, and its excess-three is a after the first audio player is opened
The sound of the first audio player sending is can't hear in region, or hears the sound of very little.Similarly, the second audio player,
After three audio players and the 4th audio player are opened, also there is similar effect.Therefore, even if driver area, copilot area
When four audio players in domain, heel row left area and heel row right area play different audios simultaneously, it is interregional not yet
Mutually excessive sound interference can be generated, the auditory perception of more secret is brought for the user in different zones.
As shown in connection with fig. 2, vehicle-mounted computer 130 includes wireless locating module and controller.Wireless locating module is for scanning
The wireless signal of the mobile terminal of user in interior region.Controller is used to be determined according to the intensity of wireless signal where user
Interior region, and using correspond to user where interior region audio player as destination player.Wherein, mobile terminal
Including but not limited to one or more of smart phone, tablet computer and wearable device.Wearable device is, for example,
Intelligent bracelet etc..
In addition, vehicle-mounted computer 130 further include: receiving port, receiving port is for receiving vehicle device interface or mobile terminal
With the target audio player selection instruction of the interactive interface input of vehicle-mounted computer interconnection, controller is also used to according to target audio
Player selection instruction determines the destination player of user's selection.
Further, vehicle-mounted computer 130 is also used to when receiving audio player and being uniformly controlled instruction, by same audio
Signal is sent to multiple audio players 110 simultaneously by multiple voice-grade channels of input signal control module 120, by more
A audio player 110 plays same audio.
Specifically, as shown in Figure 1 to Figure 3, input signal control module 120 is mainly including being that multichannel sound card and DA turn
Parallel operation.Multichannel sound card connects audio input end, and audio analog signals can be inputted by mobile terminal by wireless network, or
The input such as the navigation voice of person local, network radio station.Such as: main driving region inputs the audio of navigation, radio station, other regions are defeated
Enter entertainment audio.Vehicle-mounted computer 130 drives sound card different by obtaining passenger to the application demand of interior different zones position
Channel, sound card connect power amplifier to loudspeaker (that is: sounding panel), to realize the pipe of different location difference audio broadcasting
Reason.The output end of D/A converter connects power amplifier, and power amplifier includes the quenched module of audio and Digital Signal Processing
Device exports sounding panel after the AD conversion of AD converter, then by audio signal, passes through the ultrasonic wave transducer in sounding panel
Device finally plays transmission sound to assigned direction region.
As shown in figure 3, user carries mobile terminal, the wireless locating module of vehicle-mounted computer 130 passes through scanning mobile terminal
Wireless signal strength, analyzed by algorithm and determine mobile terminal position in the car, after learning location information, vehicle-mounted computer is closed
Join the audio player of the position corresponding region, occur abnormal for prevention or positioning drift occurred by environment strong jamming, user is also
The interactive interface that can be interconnected by operation vehicle device interface or operation in mobile terminal and onboard system, selection and regulatory demand position
The audio player set.Vehicle-mounted computer and then the connection control for matching respective audio channel.
In the above description, the input terminal of audio signal can be used as to pass simultaneously by the wireless mode of wifi, bluetooth etc.
Defeated analog signal gives multichannel sound card.Multiple channel acousto card is by turning the audio analog signals of corresponding region through D/A converter
It changes, the processing of the digital model such as the frequency modulation(PFM) of power amplifier and sound quality, using the ultrasonic transducer etc. of sounding panel,
Sound is finally transmitted to specified region (such as main driving region, copilot region).Wherein wireless location, comprising current
Wireless wifi, bluetooth, wearable device, UWB's (being also used for the precise positioning of industrial equipment, wearable device etc. now) etc. determines
Position technology.
In addition, vehicle-mounted computer retains highest configuration power, when there are the need that multiple audio players realize same output audio
When asking, multiple channel acousto card can be configured by vehicle-mounted computer accordingly, the audio signal of same input terminal is distributed to
Multiple audio players, and then multiple audio players play same audio signal simultaneously, so that interior different user can be with
Same audio is shared, such as listens same a piece of music simultaneously.
In addition, multiple passengers use mobile terminal to connect vehicle-mounted computer as vehicle device external source input audio number in automobile
According to, or input on the vehicle device interface of vehicle device computer, source of sound can be exported to multichannel sound card, then arrive multiple audios respectively
Player, in this manner it is achieved that the output of multiple audio player independent inputs, the synchronous input and output of two audio players and its
Remaining independent, the synchronous input and output of three audio players and remaining various ways such as independent.
Vehicle-mounted orientation sound system according to an embodiment of the present invention, can separately be controlled by multiple voice-grade channels
The different audio of multiple audio player plays, also, multiple audio players are simultaneously when playing different audios, due to using
Audio player is corresponded in interior multiple regions, and different audio players is to the side where interior different region
Therefore upward sounding when multiple audio players play different audios simultaneously, will not form sound between interior multiple regions
Interference, meet the needs of different users, avoid the interference to surrounding user, promote the sound equipment usage experience of user, be user with
Carry out the interior auditory perception of secret sound field.
Further, as shown in figure 4, embodiment of the invention discloses a kind of controlling parties of vehicle-mounted orientation sound system
Method, comprising:
S401: according to user demand from multiple audio players selection target audio player.
S402: control input signal control module conducting corresponds to the voice-grade channel of the target audio player, with logical
Cross the audio signal of the target audio player plays user selection.
The control method of vehicle-mounted orientation sound system according to an embodiment of the present invention, can be distinguished by multiple voice-grade channels
The different audio of multiple audio player plays is independently controlled, also, multiple audio players play different audios simultaneously
When, it corresponds due to using audio player in interior multiple regions, different audio players is to interior different
Sounding on direction where region, therefore, when multiple audio players play different audios simultaneously, between interior multiple regions
It not will form sound interference, meet the needs of different users, avoid the interference to surrounding user, the sound equipment for promoting user uses body
It tests, the interior auditory perception of secret sound field is brought for user.
It should be noted that the specific implementation of the control method of the vehicle-mounted orientation sound system of the embodiment of the present invention with
The specific implementation of the vehicle-mounted orientation sound system of the embodiment of the present invention is similar, specifically refers to the description of method part, is
Reduction redundancy, is not repeated herein.
Further, embodiment of the invention discloses a kind of vehicle, it is provided with as described in the above embodiment vehicle-mounted
Orient sound system.It is different that the vehicle can separately control multiple audio player plays by multiple voice-grade channels
Audio, also, multiple audio players are corresponded in vehicle due to using audio player simultaneously when playing different audios
Interior multiple regions, different audio players are the sounding on the direction where interior different region, and therefore, multiple audios are broadcast
When putting device while playing different audios, sound interference will not be formed between interior multiple regions, is met the needs of different users,
The interference to surrounding user is avoided, the sound equipment usage experience of user is promoted, the interior auditory perception of secret sound field is brought for user.
In addition, other compositions of vehicle according to an embodiment of the present invention and effect are for those of ordinary skill in the art
For be all it is known, in order to reduce redundancy, be not repeated herein.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Within mind and principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of vehicle-mounted orientation sound system, feature exist, comprising:
Multiple audio players, the multiple audio player are corresponded in interior multiple regions, with to corresponding interior area
Sounding on direction where domain, wherein audio player includes ultrasonic transducer；
Input signal control module, the input signal control module pass through respectively multiple voice-grade channels correspondingly with it is described
Multiple audio players are connected, and the input signal control module is used at least one audio signal passing through at least one audio
Channel is sent to corresponding audio player；
Vehicle-mounted computer, the vehicle-mounted computer is for according to user demand, selection target audio to be broadcast from the multiple audio player
Device is put, and controls the voice-grade channel that the input signal control module conducting corresponds to the target audio player, to pass through
The audio signal of the target audio player plays user selection.
2. vehicle-mounted orientation sound system according to claim 1, feature exist, the vehicle-mounted computer includes:
Wireless locating module, wireless signal of the wireless locating module for the mobile terminal of user in scanning car inner region；
Controller, the controller be used to determine interior region where user according to the intensity of the wireless signal, and will be right
The audio player in the interior region where user described in Ying Yu is as the destination player.
3. vehicle-mounted orientation sound system according to claim 2, feature exist, the vehicle-mounted computer further include: receiving end
Mouthful, the receiving port is used to receive the target of the interactive interface input of vehicle device interface or mobile terminal and vehicle-mounted computer interconnection
Audio player selection instruction, the controller are also used to determine that user selects according to the target audio player selection instruction
Destination player.
4. vehicle-mounted orientation sound system according to claim 1, feature exist, the vehicle-mounted computer is also used to receiving
When audio player is uniformly controlled instruction, same audio signal is passed through into multiple voice-grade channels of the input signal control module
It is sent to the multiple audio player simultaneously, to pass through the same audio of the multiple audio player plays.
5. vehicle-mounted orientation sound system according to claim 1, feature exist, the audio player includes:
Power amplifier；
Sounding panel, the sounding panel have ultrasonic transducer, and the sounding panel is connected with the power amplifier.
6. vehicle-mounted orientation sound system according to claim 1, feature exist, the input signal control module includes:
Multichannel sound card；
The D/A converter being connected with the multichannel sound card.
7. vehicle-mounted orientation sound system according to claim 2, feature exist, the mobile terminal include smart phone,
One or more of tablet computer and wearable device.
8. vehicle-mounted orientation sound system according to claim 1-7, feature exist, the multiple audio player
It is 4, the main driving region corresponded respectively in interior region, copilot region sit heel row region and have heel row region, to divide
Not to main driving region, copilot region, sit heel row region and have sounding on the direction where heel row region.
9. a kind of control method of vehicle-mounted orientation sound system, feature exist, the vehicle-mounted orientation sound equipment is according to claim
The described in any item vehicle-mounted orientation sound equipments of 1-8, which comprises
According to user demand from multiple audio players selection target audio player；
The voice-grade channel that the conducting of input signal control module corresponds to the target audio player is controlled, to pass through the target
The audio signal of audio player plays user selection.
10. a kind of vehicle, which is characterized in that setting vehicle-mounted orientation sound systems described in any item just like claim 1-8.
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| CN109976701A (en) * | 2019-03-14 | 2019-07-05 | 广州小鹏汽车科技有限公司 | A kind of sound field positioning adjusting method and vehicle audio system |
| CN110139246A (en) * | 2019-05-22 | 2019-08-16 | 广州小鹏汽车科技有限公司 | Treating method and apparatus, automobile and the machine readable media of on-vehicle Bluetooth call |
| CN110234048A (en) * | 2019-02-02 | 2019-09-13 | 上海蔚来汽车有限公司 | Interior sound zone control device and method, controller and medium |
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| CN114501234A (en) * | 2022-04-08 | 2022-05-13 | 远峰科技股份有限公司 | Intelligent cabin domain multi-tone zone Bluetooth audio playing method and device |
| CN114974187A (en) * | 2022-05-16 | 2022-08-30 | 阿维塔科技(重庆)有限公司 | Vehicle-mounted karaoke method and device and automobile |
| CN115065911A (en) * | 2022-06-13 | 2022-09-16 | 中国第一汽车股份有限公司 | Audio control system, audio control method, audio control device, audio control equipment and audio control medium |
| CN115297403A (en) * | 2022-06-22 | 2022-11-04 | 中国第一汽车股份有限公司 | In-vehicle audio scene self-adaptive adjusting method and audio system |
| CN116248971A (en) * | 2023-03-29 | 2023-06-09 | 东莞凯韵科技有限公司 | Function exclusive method of player |
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Application publication date: 20190115 |