CN112601152A - Sound production system and method for outside of vehicle - Google Patents
Sound production system and method for outside of vehicle Download PDFInfo
- Publication number
- CN112601152A CN112601152A CN202011439291.6A CN202011439291A CN112601152A CN 112601152 A CN112601152 A CN 112601152A CN 202011439291 A CN202011439291 A CN 202011439291A CN 112601152 A CN112601152 A CN 112601152A
- Authority
- CN
- China
- Prior art keywords
- module
- sound
- information
- control
- vehicle
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Classifications
-
- 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
Abstract
The invention discloses an outside-vehicle-oriented sound production system and method. The system comprises: the device comprises a signal interface module, a control and storage module, a power supply module, a power amplification module and a sounding module; the control and storage module is used for receiving the category information sent by the signal interface module, processing the category information to obtain audio information, and sending the audio information to the power amplifier module so that the power amplifier module can drive the sounding module to sound outwards; the sound production module is used for receiving the audio information sent by the power amplifier module, carrying out sound-electricity conversion on the audio information and transmitting sound obtained after the sound-electricity conversion to the outside of the vehicle. Control and storage module in this system can carry out different processing and support the sound source storage to the classification information, can save the preset sound source information that designs in advance in control and storage module for the sound production module can outwards be sounded according to the car scene of difference.
Description
Technical Field
The embodiment of the invention relates to the technical field of automation, in particular to an automobile-exterior-oriented sound production system and method.
Background
At present, a whole vehicle sound production system arranged in a vehicle mainly faces the whole vehicle sound production system in the vehicle, a listening object is a passenger or a driver in the vehicle, the whole vehicle sound production system facing the outside of the vehicle mainly comprises two types of a vehicle horn and a pedestrian warning device of a new energy vehicle, and the two types of the whole vehicle sound production systems have warning and alarming functions.
When a driver encounters many different scenes when driving a vehicle, for example, when the vehicle interacts with a pedestrian, the driver wants to express an idea of gifting the pedestrian to pass through the pedestrian first, and at this time, if a sound of "please you go ahead" can be sent to the pedestrian through the entire vehicle sounding system, the driver can conveniently drive a trip, and the satisfaction degree of the driver in driving the vehicle is increased.
However, in the current market, there is no vehicle-exterior-oriented entire vehicle sounding system capable of playing music and expressing friendly attitude, so that it is a technical problem to be solved urgently at present to provide an entire vehicle sounding system capable of sounding corresponding sounds according to the requirements of the vehicle-exterior scene.
Disclosure of Invention
The embodiment of the invention provides an automobile-exterior-oriented sound production system and method, which can carry out different processing on category information and support sound source storage, and can store preset sound source information designed in advance in a control and storage module, so that a sound production module can produce sound outwards according to different automobile-exterior scenes.
In a first aspect, an embodiment of the present invention provides an exterior-facing sound generating system, including: the device comprises a signal interface module, a control and storage module, a power supply module, a power amplification module and a sounding module;
the control and storage module is respectively connected with the signal interface module, the power supply module and the power amplification module, the power supply module is connected with the power amplification module, and the power amplification module is externally connected with a sounding module;
the control and storage module is used for receiving the category information sent by the signal interface module, processing the category information to obtain audio information, and sending the audio information to the power amplification module so that the power amplification module drives the sounding module to sound outwards;
and the sounding module is used for receiving the audio information sent by the power amplifier module, carrying out sound-electricity conversion on the audio information, and transmitting the sound obtained after the sound-electricity conversion to the outside of the vehicle.
In a second aspect, an embodiment of the present invention further provides an outside-vehicle-oriented sound generating method, including:
the control and storage module receives the category information sent by the signal interface module, processes the category information to obtain audio information, and sends the audio information to the power amplification module, so that the power amplification module drives the sounding module to sound outwards;
the sound production module receives the audio information sent by the power amplifier module, carries out sound-electricity conversion on the audio information, and transmits sound obtained after the sound-electricity conversion to the outside of the vehicle.
The embodiment of the invention provides an automobile-exterior-oriented sound production system and method, wherein the automobile-exterior-oriented sound production system receives category information sent by a signal interface module through a control and storage module, processes the category information to obtain audio information, and sends the audio information to a power amplification module so that the power amplification module drives a sound production module to produce sound outwards; the audio information sent by the power amplifier module is received through the sounding module, the audio information is subjected to sound-electricity conversion, and sound obtained after the sound-electricity conversion is transmitted to the outside of the vehicle. Control and storage module in this system can carry out different processing and support the sound source storage to the classification information, can save the preset sound source information that designs in advance in control and storage module for the sound production module can outwards be sounded according to the car scene of difference.
Drawings
Fig. 1 is a schematic structural diagram of an exterior-oriented sound system according to a first embodiment of the present invention;
fig. 2 is a schematic structural diagram of an exterior-facing sound system according to a second embodiment of the present invention;
fig. 3 is a schematic flow chart of an out-of-vehicle sound production method according to a third embodiment of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.
Before discussing exemplary embodiments in more detail, it should be noted that some exemplary embodiments are described as processes or methods depicted as flowcharts. Although a flowchart may describe the operations (or steps) as a sequential process, many of the operations can be performed in parallel, concurrently or simultaneously. In addition, the order of the operations may be re-arranged. The process may be terminated when its operations are completed, but may have additional steps not included in the figure. The processes may correspond to methods, functions, procedures, subroutines, and the like. In addition, the embodiments and features of the embodiments in the present invention may be combined with each other without conflict.
The term "include" and variations thereof as used herein are intended to be open-ended, i.e., "including but not limited to". The term "based on" is "based, at least in part, on". The term "one embodiment" means "at least one embodiment".
Example one
The sounding system facing to the outside of the vehicle provided by the embodiment can deal with the scene needing sounding outside the vehicle, and exemplarily, part of the scene can be the following scenes:
scene one: when music needs to be provided for entertainment activities in an outdoor place, inconvenience can be brought to carrying of heavy rechargeable sound equipment, and at the moment, the sound production system facing the outside of the vehicle can be used for replacing the sound equipment to play the music outside the vehicle.
Scene two: when a parking interaction is encountered, i.e. the driver is looking for the vehicle, the vehicle may sound "owner, i.e. where i am" outwards, so that the driver can smoothly find the vehicle.
Scene three: when the driver or passenger approaches the vehicle in preparation for using the vehicle, the vehicle may emit a piece of music outward through an out-of-vehicle facing sound system to welcome the passenger or driver to use the vehicle.
Scene four: when two vehicles meet, one vehicle requests for queue-insertion, the other vehicle can be prompted to prepare for queue-insertion by sending a sound of ' request for queue-insertion ' to the outside of the vehicle, and a sound of ' thank you ' can be sent to the outside of the vehicle to indicate thank you ' when the queue-insertion of the vehicle is successful.
Scene five: when the pedestrian interacts with the vehicle, the vehicle can make a sound of "please look ahead" outside the vehicle to indicate that the pedestrian is courtesy and the pedestrian is in advance.
Scene six: when a driver drives a car to touch the acquaintance and the acquaintance to make a call on the road, the sound system facing the outside of the car can also make a call to the acquaintance outside the car, so that the requirement of making a call with the acquaintance in the car is met.
Scene seven: when the vehicle runs on the road, the driver can send discontented sound to the outside of the vehicle through the sound system facing the outside of the vehicle so as to express the low mood of the driver.
And eighth scene: when the vehicle runs on a road, the sound system facing the outside of the vehicle can send out the pedestrian warning sound to the outside of the vehicle so as to remind the pedestrian outside the vehicle that the vehicle is avoiding through attention.
The above-mentioned scene is an exemplary scene, and the sound production system facing the outside of the vehicle provided by the embodiment of the invention can also be applied to other situations which need to occur outside of the vehicle, and details are not described here.
Fig. 1 is a schematic structural diagram of an exterior-oriented sound system according to an embodiment of the present invention, where the exterior-oriented sound system is applicable to vehicle-to-vehicle interaction, human-vehicle interaction, parking interaction, and the like, where the exterior-oriented sound system may be implemented by software and/or hardware, and the exterior-oriented sound system may be used to implement sound generation outside a vehicle.
As shown in fig. 1, a first embodiment of the present invention provides an outside-vehicle sound generating system, including:
a signal interface module 110, a control and storage module 120, a power supply module 130, a power amplifier module 140 and a sound module 150;
the control and storage module 120 is respectively connected with the signal interface module 110, the power supply module 130 and the power amplifier module 140, the power supply module 130 is connected with the power amplifier module 140, and the power amplifier module 140 is externally connected with the sounding module 150;
the control and storage module 120 is configured to receive the category information sent by the signal interface module 110, process the category information to obtain audio information, and send the audio information to the power amplifier module 140, so that the power amplifier module 140 drives the sound module 150 to sound outwards;
and the sound production module 150 is used for receiving the audio information sent by the power amplifier module 140, performing sound-electricity conversion on the audio information, and transmitting sound obtained after the sound-electricity conversion to the outside of the vehicle.
In this embodiment, the signal interface module 110 may be a signal interface for connecting the entire vehicle related system and the sound system facing the outside of the vehicle, and may be used for communication between the sound system facing the outside of the vehicle and the entire vehicle related system, and for example, the entire vehicle related system may be connected to the signal interface module 110 through a CAN bus or a digital audio bus.
Specifically, the vehicle-related system may include a vehicle body control system, an infotainment system, and the like.
The signal interface module 110 may obtain category information through connection with a vehicle-related system, where the category information may include audio stream information and vehicle control information. Specifically, the signal interface module 110 may receive audio stream information from the infotainment system via a digital audio bus; the signal interface module 110 may receive vehicle control information from a vehicle body control system through a high-speed CAN bus.
The signal interface module 110 may also be connected to the control and storage module 120, and is configured to transmit the category information received from the body control system and the infotainment system to the control and storage module 120, so that the control and storage module 120 performs different processing on different categories of information according to categories of the category information.
The control and storage module 120 may be a core module of the sound system facing the outside of the vehicle, and the module may further process the received category information, and may store the preset sound source information, which is a control core of the entire system.
The control and storage module 120 may be connected to the signal interface module 110, the power supply module 130 and the power amplifier module 140, respectively.
The control and storage module 120 may be connected to the signal interface module 110, and configured to receive the category information sent by the signal interface module 110, and further process the category information to obtain the audio information.
Specifically, if the category information received by the control and storage module 120 is the audio stream information, the audio stream information is subjected to audio mixing processing, for example, when music needs to be provided for entertainment activities in an outdoor place, the control and storage module 120 in the sound production system facing the outside of the vehicle may receive the audio stream information sent by the signal interface module 110, the control and storage module 120 may perform audio mixing processing on the audio stream information to obtain audio information, and the content of the audio information may be music.
Specifically, if the category information received by the control and storage module 120 is the vehicle control information, the vehicle control information may be further processed according to the vehicle control information, for example, when a driver or a passenger approaches the vehicle and prepares to use the vehicle, the control and storage module 120 in the sound system facing the outside of the vehicle may receive the vehicle control information sent by the signal interface module 110, the control and storage module 120 may call the preset sound source information through the CAN signal sent by the signal interface module 110, and the preset sound source information may be a welcome sound of "welcoming to use the vehicle".
The control and storage module 120 may be connected to the power module 130, and is configured to control the power module 130 to be turned on or off. For example, if the driver wants to turn off the sound system facing the outside of the vehicle, the control and storage module 120 may control the turning off of the power module 130 in the system, so that the system is turned off.
The control and storage module 120 may be connected to the power amplifier module 140, and is configured to send the processed audio information to the power amplifier module 140, so that the power amplifier module 140 drives the sound module 150 to generate sound outside the vehicle.
The power module 130 may supply power to the sound system outside the vehicle, and the power may be any device capable of supplying power to the system, where the type of the power is not specifically limited, and may be selected according to specific situations.
The power module 130 may be connected to the control and storage module 120 and the power amplifier module 140, respectively.
Specifically, the power module 130 may be connected to the control and storage module 120 to obtain control of the control and storage module 120; the power module 130 may be connected to the power amplifier module 140, and configured to supply power to the power amplifier module 140.
The power amplifier module 140 may include a power amplifier, and the power amplifier module 140 may amplify the weak electrical signal from the signal source to drive the speaker to emit sound. The power amplifier module may include any power amplification device.
The power amplifier module 140 may be connected to the control and storage module 120, the power module 130, and the sound module 140, respectively.
Specifically, the power amplifier module 140 may be connected to the control and storage module 120, and is configured to receive the audio information transmitted by the control and storage module 120; the power amplifier module 140 may be connected to the power module 130, and is configured to receive power supplied by the power module 130; the power amplifier module 140 may be connected to the sound module 150, and is configured to drive the sound module 150 to play sound outside the vehicle.
The sound module 150 may be an acoustoelectric converter, which converts an electrical signal into an acoustic signal. In this embodiment, the sound module may include a treble unit, a middle tone unit, a bass unit, or a single full-band unit.
The sound production module 150 can be connected with the power amplifier module 140, and the sound production module 150 is connected with the power amplifier module 140 and then used for receiving the audio information sent by the power amplifier module 140, and then the audio information is subjected to sound-electricity conversion and is output to the outside of the vehicle.
The working process of the vehicle-exterior-oriented sound production system provided by the first embodiment can be explained through two specific scene embodiments.
A first scenario embodiment may comprise: firstly, the control and storage module 120 can control the switch of the power module 130 to be turned on, so that the system is turned on to work; after the system is opened, signal interface module 110 can acquire the audio stream information that infotainment system sent through digital audio bus, after acquiring audio stream information signal interface module 110 can with audio stream information sends control and storage module 120, and control and storage module 120 acquire behind the audio stream information, can carry out the audio mixing with received audio stream information and handle and obtain audio information and with audio information sends power amplifier module 140, and power amplifier module 140 receives can drive behind the audio information vocal module 150, and behind the audio information that power amplifier module 140 sent was received to vocal module 150, it can be right audio information carries out the sound-electricity conversion and to the sound after the car outer broadcast conversion.
A second scenario embodiment may include: firstly, the control and storage module 120 can control the switch of the power module 130 to be turned on, so that the system is turned on to work; after the system is opened, signal interface module 110 CAN acquire the whole car control information that car body control system sent through the high-speed CAN bus, acquires whole car control information after, signal interface module 110 CAN with whole car control information sends to control and storage module 120, and control and storage module 120 acquire behind the CAN signal in whole car control information, CAN read the instruction that the CAN signal represents, extract according to this instruction to predetermine sound source information and obtain audio information and with audio information sends to power amplifier module 140, and power amplifier module 140 receives CAN drive vocal module 150 behind the audio information, and after vocal module 150 received the audio information that power amplifier module 140 sent, CAN be right audio information carries out the sound-electricity conversion and to the sound after the conversion of playing to the car.
According to the sounding system facing the outside of the vehicle provided by the embodiment of the invention, the category information sent by the signal interface module is received by the control and storage module, the category information is processed to obtain audio information, and the audio information is sent to the power amplification module so that the power amplification module drives the sounding module to sound outwards; the audio information sent by the power amplifier module is received through the sounding module, the audio information is subjected to sound-electricity conversion, and sound obtained after the sound-electricity conversion is transmitted to the outside of the vehicle. Control and storage module in this system can carry out different processing and support the sound source storage to the classification information, can save the preset sound source information that designs in advance in control and storage module for the sound production module can outwards be sounded according to the car scene of difference.
Example two
Fig. 2 is a schematic structural diagram of an exterior-oriented sound system according to a second embodiment of the present invention, which is optimized based on the above embodiments. In the following description, reference is made to the first embodiment for details, which are not repeated herein.
In this embodiment, the signal interface module 210 is configured to receive audio stream information from an infotainment system via a digital audio bus and vehicle control information from a vehicle body control system via a CAN bus; wherein the audio stream information is an audio stream stored and played by the entertainment system; the whole vehicle control information comprises a CAN signal sent by the vehicle body control system.
The CAN is a controller area network, a CAN bus CAN be used for communication between systems in the vehicle, and the CAN bus in the embodiment CAN be a high-speed CAN bus.
The A2B digital audio bus may use twisted pair wires and meet the specification of the digital audio bus to avoid external interference.
The vehicle body control system CAN be a system for controlling a vehicle, and CAN send out a CAN signal; an infotainment system may be a system that plays music and radio in a vehicle, and the infotainment system may emit audio streaming information.
In this embodiment, the audio stream information may be understood as entertainment information such as music or broadcast, and the audio stream information may be stored in the infotainment system in advance; the vehicle control information may include a CAN signal, and the control and storage module 120 may retrieve the preset sound source information by receiving the CAN signal transmitted from the vehicle body control system.
In particular, the signal interface module 210 may receive audio streaming information from an infotainment system via a digital audio bus. For example, when music is to be provided for an entertainment event at an outdoor venue, the signal interface module 210 may receive music from an infotainment system over a digital audio bus.
Specifically, the signal interface module 210 CAN also receive vehicle control information from a vehicle body control system through a high-speed CAN bus. For example, when the driver searches for a vehicle or two vehicles meeting, the signal interface module 210 may receive the vehicle control information from the vehicle body control system through the high-speed CAN bus.
Further, the control and storage module 220 is configured to, if the received category information is the audio stream information, perform audio mixing processing on the audio stream information, and output the obtained audio information to the power amplifier module 240, so that the power amplifier module 240 drives the sound module 250 to sound outwards; if the received category information is the whole vehicle control information, extracting preset sound source information according to a CAN signal in the whole vehicle control information to obtain the audio information, and sending the audio information to the sound production module 250 through the power amplifier module, so that the power amplifier module 240 drives the sound production module 250 to produce sound outwards; the preset audio source information is pre-stored in the control and storage module 220.
The audio mixing process may be to integrate sounds from multiple sources into one stereo track or mono track, and in this embodiment, the audio mixing process may be to integrate multiple sets of sounds included in the audio stream information into one sound; the preset sound source information may be a sound pre-stored in the control and storage module 220, and may be, for example, a warning sound of a pedestrian warning sound, a car greeting sound, or the like.
Specifically, if the control and storage module 220 receives the audio stream information sent by the signal receiving module 210, the control and storage module 220 may perform audio mixing processing on the audio stream information to obtain audio information in a single audio track. For example, if the voice stream information received by the control and storage module 220 from the signal receiving module 210 is music, the control and storage module 220 may mix multiple sounds in the music to obtain one music sound with one track.
Specifically, if the control and storage module 220 receives the vehicle control information sent by the signal receiving module 210, the control and storage module 220 may obtain the vehicle control information, the preset sound source information stored in the control and storage module 220 in advance may be extracted according to an instruction corresponding to a CAN signal in the vehicle control information, and the extracted preset audio is audio information. Illustratively, the control and storage module 220 receives the "owner, i.e., here" sent by the signal receiving module 210 "
It should be noted that the preset sound source information may be designed in advance according to the scene requirement outside the vehicle and stored in the control and storage module 220. For example, if the scene outside the vehicle is a vehicle courtesy pedestrian, then "please look ahead" can be set as the preset sound source information and stored in the control and storage module 220, and when the secondary scene is encountered, the system can extract the sentence and make a sound outside the vehicle through the sound-emitting module.
Further, the sound module 250 includes: high pitch unit, middle pitch unit and bass unit or a single full frequency unit for realize good car outer sound production.
The high pitch unit can be a high pitch unit in the loudspeaker; the midrange unit can be a midrange unit in a loudspeaker; the bass unit may be a bass unit in a loudspeaker; the full frequency unit may be a speaker capable of broadcasting high, middle and low frequencies in a covering manner.
If the sound module 250 includes the high pitch unit, the middle pitch unit and the bass unit, then can play the high pitch in the audio information through the high pitch unit, through the middle pitch in the audio information of middle pitch unit broadcast to and the bass in the bass unit broadcast audio information, in order to realize good effect to the exogenic sound.
If the sound module 250 includes a single full frequency unit, then can play the high pitch, the middle pitch and the low pitch in the audio information through this single full frequency unit, realize good effect to the exogenic sound.
Further, the high pitch unit, the middle pitch unit and the low pitch unit or a single full frequency unit are used for ensuring the reduction of distortion under the condition of loud sound and the dust and water prevention outside the vehicle.
Wherein, need design as can ensure reducing the distortion under the loud sound pressure with treble unit, middle tone unit and bass unit or a single full frequency unit when the system design to have dustproof waterproof function.
Further, the sound module 250 may include an electric protection cover for protecting the high pitch unit, the middle pitch unit and the low pitch unit from being damaged.
Wherein, electronic visor can be a full automatic protection device, can install electronic visor on vocal module 250, reaches the effect of protecting the inside high pitch unit of vocal module 250, well sound unit and bass unit or a full frequency unit alone. For example, the electric protection cover can protect the high pitch unit, the middle pitch unit and the low pitch unit inside the sound module 250 or a single full frequency unit from the outside wind, sunshine and abrasion after covering.
Further, the control and storage module 220 is used for controlling the on/off of the power supply module 230 to implement power on/off management of the entire vehicle system; the control and storage module 220 is also used to diagnose the power supply shortage inside the system and the circuit failure of the sound module 250.
Specifically, the control and storage module 220 has a fault diagnosis function, which includes diagnosing a power supply shortage condition inside the system and a circuit fault existing in the sound module 250. The condition of insufficient power supply inside the system may be that the power supply voltage of the power supply module 230 to each module is insufficient, and the circuit fault of the sound module 250 may be that the circuit of the module is disconnected.
For example, when the sound system facing the outside of the vehicle cannot generate sound outwards, at this time, two fault conditions may occur inside the system, for example, the power supply voltage in the system is reduced from 16v to 6v, at this time, the voltage is insufficient, the sound generation module 250 cannot generate sound outwards, and the control and storage module 220 may read the fault code through CAN diagnosis, and obtain that the sound cannot be generated outwards due to insufficient system voltage; for example, the circuit of the speaker in the sound module 250 is disconnected, the signal of the disconnected speaker is fed back to the control and storage module 220 through the power amplifier module 240, and the control and storage module 220 CAN read the fault code through the CAN diagnosis to know that the fault reason is that the circuit of the speaker in the sound module 250 is disconnected and cannot generate sound.
Further, the power amplifier module 240 is configured to receive the audio information transmitted by the control and storage module 220, and drive the sound module 250 to play the audio information; the power amplifier module 240 supports multi-channel output audio information, and is used for supporting multiple channels of audio signals to be outputted in parallel to drive a loudspeaker to sound outwards.
In this embodiment, the multi-channel output may be understood that the power amplifier module 240 may output the audio information through multiple channels, for example, since normally, one channel may only output 40W of power, and one speaker needs 80W of power, at this time, multiple channels are required to output in parallel to drive one speaker to sound.
Further, the sound production module is arranged in the front of the vehicle.
It should be noted that the sound module 250 in the system may be disposed at a position close to the front of the vehicle as much as possible, so that the sound module 250 can generate sound well to the outside.
According to the sounding system facing the outside of the vehicle, the category information sent by the signal interface module is received through the control and storage module and processed to obtain the audio information, then the audio information is sent to the power amplification module to be used for the power amplification module to drive the sounding module to sound outwards, finally the audio information sent by the power amplification module is received through the sounding module, the audio information is subjected to sound-electricity conversion, and the sound obtained after the sound-electricity conversion is transmitted to the outside of the vehicle. Control and storage module in this system can carry out different processing and support the sound source storage to classification information, can save the predetermined sound source information that designs in advance in control and storage module for the sound production module can outwards be sounded according to the car scene of difference, and in addition, sound production module includes that treble unit, well to the outer sound production of each frequency channel can be realized to treble unit and bass unit.
EXAMPLE III
Fig. 3 is a schematic flow diagram of an out-of-vehicle sound production method according to a third embodiment of the present invention, where the present embodiment is applicable to situations such as vehicle-to-vehicle interaction, human-to-vehicle interaction, vehicle finding, and the like, the method may be executed by the out-of-vehicle sound production system provided in the first embodiment or the second embodiment, and the out-of-vehicle sound production system may be implemented by hardware and software, and the method specifically includes the following steps:
according to the description of the above-mentioned embodiment on the exterior-oriented sound system, it can be known that the exterior-oriented sound system specifically includes: the device comprises a signal interface module, a control and storage module, a power supply module, a power amplification module and a sounding module.
As shown in fig. 3, the third embodiment provides a sound production method facing outside a vehicle, which specifically includes the following operations:
s310, the control and storage module receives the category information sent by the signal interface module, processes the category information to obtain audio information, and sends the audio information to the power amplifier module, so that the power amplifier module drives the sounding module to sound outwards.
The control and storage module can process the category information sent by the signal interface module and send the category information to the power amplifier chip, the power amplifier chip can be used for storing preset sound source information, and the control and storage module comprises the power amplifier chip.
The signal interface module CAN be responsible for interacting with a vehicle related system outside the system, the vehicle related system CAN be a vehicle body control system, an information entertainment system and the like, and the signal interface module CAN support A2B, namely digital audio bus transmission and high-speed CAN information sending and receiving.
Exemplarily, the signal interface module receives audio stream information sent by an infotainment system through A2B, or the signal interface module receives vehicle control information sent by a vehicle body control system through a CAN bus, and transmits the received information to the control and storage module, if the control and storage module receives the audio stream information, the control and storage module CAN directly send the audio stream information to the power amplifier module after performing audio mixing processing, if the control and storage module receives the vehicle control information, the control and storage module CAN call a built-in sound source stored in the power amplifier chip in advance according to an instruction of a CAN signal in the information, namely preset sound source information, and sends the preset sound source information to the power amplifier module, and finally the power amplifier module CAN drive a loudspeaker in the sounding module to sound outwards.
And S320, the sound production module receives the audio information sent by the power amplification module, performs sound-electricity conversion on the audio information, and transmits sound obtained after the sound-electricity conversion to the outside of the vehicle.
In this step, the sound production module can carry out the acoustoelectric conversion and output sound to the audience outside the car with the audio information after receiving the information that power amplifier module sent. For ensuring the sound quality, the sound production module can include high pitch unit, middle pitch unit, bass unit or an individual full frequency unit to realize the good sound production of each frequency channel.
Wherein, treble unit, middle tone unit, bass unit or an isolated full frequency unit need ensure to have less distortion under the loud-sound pressure when the design, need have better dustproof waterproof ability so that be applied to the environment outside the car simultaneously, and in addition, the sound production module should be equipped with special electronic visor for it can ensure that inside pronunciation unit obtains better protection when not using.
According to the sounding method facing the outside of the vehicle, firstly the control and storage module receives the category information sent by the signal interface module, the category information is processed to obtain audio information, the audio information is sent to the power amplifier module, so that the power amplifier module drives the sounding module to sound outwards, and then the sounding module receives the audio information sent by the power amplifier module, the audio information is subjected to sound-electricity conversion, and sound obtained after the sound-electricity conversion is transmitted to the outside of the vehicle. By using the method, the control and storage module in the method can carry out different processing on the category information and support the storage of the sound source, and the preset sound source information designed in advance can be stored in the control and storage module, so that the sound production module can produce sound outwards according to different external scenes.
Claims (10)
1. An off-board-oriented sound generation system, comprising: the device comprises a signal interface module, a control and storage module, a power supply module, a power amplification module and a sounding module;
the control and storage module is respectively connected with the signal interface module, the power supply module and the power amplification module, the power supply module is connected with the power amplification module, and the power amplification module is externally connected with the sounding module;
the control and storage module is used for receiving the category information sent by the signal interface module, processing the category information to obtain audio information, and sending the audio information to the power amplification module so that the power amplification module drives the sounding module to sound outwards;
and the sounding module is used for receiving the audio information sent by the power amplifier module, carrying out sound-electricity conversion on the audio information, and transmitting the sound obtained after the sound-electricity conversion to the outside of the vehicle.
2. The system of claim 1, wherein the category information includes audio stream information and full vehicle control information;
the signal interface module is used for receiving audio stream information from the infotainment system through a digital audio bus and receiving whole vehicle control information from the vehicle body control system through a CAN bus;
wherein the audio stream information is an audio stream stored and played by the entertainment system; the whole vehicle control information comprises a CAN signal sent by the vehicle body control system.
3. The system of claim 2,
the control and storage module is configured to, if the received category information is the audio stream information, perform audio mixing processing on the audio stream information, and output the obtained audio information to the power amplifier module, so that the power amplifier module drives the sound module to sound outwards;
if the received category information is the whole vehicle control information, extracting preset sound source information according to a CAN signal in the whole vehicle control information to obtain audio information, and sending the audio information to the sounding module through the power amplification module so that the power amplification module drives the sounding module to sound outwards; and the preset sound source information is pre-stored in the control and storage module.
4. The system of claim 1,
the sound production module includes: high pitch unit, middle pitch unit and bass unit or a single full frequency unit for realize good car outer sound production.
5. The system of claim 4,
the high pitch unit, the middle pitch unit and the low pitch unit or a single full frequency unit are used for ensuring that distortion is reduced under loud sound pressure and dust and water are prevented outside the automobile.
6. The system of claim 4,
the generation module comprises an electric protective cover, wherein the electric protective cover is used for protecting the high pitch unit, the middle pitch unit and the bass unit from being damaged.
7. The system of claim 1,
the control and storage module is used for controlling the switch of the power supply module so as to realize the power-on and power-off management of the whole vehicle system;
the control and storage module is also used for diagnosing the internal power supply insufficiency of the system and the circuit faults of the sounding module.
8. The system of claim 1,
the power amplifier module is used for receiving the audio information transmitted by the control and storage module and driving the sounding module to play;
the power amplifier module supports multiple channels to output the audio information and is used for supporting multiple channels to be connected in parallel to drive a loudspeaker to sound outwards.
9. The system of claim 1, wherein the sound module is disposed in a forward position.
10. An off-board-oriented sound production method, performed by the off-board-oriented sound production system of any one of claims 1-9, comprising:
the control and storage module receives the category information sent by the signal interface module, processes the category information to obtain audio information, and sends the audio information to the power amplification module, so that the power amplification module drives the sounding module to sound outwards;
the sound production module receives the audio information sent by the power amplifier module, carries out sound-electricity conversion on the audio information, and transmits sound obtained after the sound-electricity conversion to the outside of the vehicle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011439291.6A CN112601152A (en) | 2020-12-07 | 2020-12-07 | Sound production system and method for outside of vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011439291.6A CN112601152A (en) | 2020-12-07 | 2020-12-07 | Sound production system and method for outside of vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112601152A true CN112601152A (en) | 2021-04-02 |
Family
ID=75191760
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011439291.6A Pending CN112601152A (en) | 2020-12-07 | 2020-12-07 | Sound production system and method for outside of vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112601152A (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20110029959A (en) * | 2009-09-17 | 2011-03-23 | 대성전기공업 주식회사 | An near alarm generating device for automobile |
| CN103533407A (en) * | 2013-09-27 | 2014-01-22 | 广东丰诺汽车安全科技有限公司 | Audio/video access device, automobile entertainment system and implementation method of automobile entertainment system |
| CN203416399U (en) * | 2013-08-08 | 2014-01-29 | 李衍圣 | Vehicular audio system capable of one-key switching from loudspeaker in vehicle to loudspeaker outside vehicle |
| CN207045230U (en) * | 2017-07-06 | 2018-02-27 | 上海蔚来汽车有限公司 | Vehicles alarm set and electric vehicle |
| CN107889026A (en) * | 2017-12-15 | 2018-04-06 | 北京普瑞众创科技有限公司 | Vehicle sounds system and the vehicles |
| KR20180045672A (en) * | 2016-10-26 | 2018-05-04 | 엘에스오토모티브테크놀로지스 주식회사 | Vehicle type virtual engine sound system for modulation of amplitude without the amplifier |
| US20180181365A1 (en) * | 2016-12-27 | 2018-06-28 | Harman International Industries, Incorporated | Control for vehicle sound output |
| US20180374468A1 (en) * | 2017-06-23 | 2018-12-27 | Hyundai Motor Company | Vehicle, method for controlling the vehicle, and audio device for vehicle |
| CN109552165A (en) * | 2018-11-29 | 2019-04-02 | 铠龙东方汽车有限公司 | A kind of multifunctional alarming interactive system for electric vehicle |
| US20190320302A1 (en) * | 2018-04-17 | 2019-10-17 | Hyundai Motor Company | Entertainment system of vehicle, method for connecting wireless, and processing sound using the same |
-
2020
- 2020-12-07 CN CN202011439291.6A patent/CN112601152A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20110029959A (en) * | 2009-09-17 | 2011-03-23 | 대성전기공업 주식회사 | An near alarm generating device for automobile |
| CN203416399U (en) * | 2013-08-08 | 2014-01-29 | 李衍圣 | Vehicular audio system capable of one-key switching from loudspeaker in vehicle to loudspeaker outside vehicle |
| CN103533407A (en) * | 2013-09-27 | 2014-01-22 | 广东丰诺汽车安全科技有限公司 | Audio/video access device, automobile entertainment system and implementation method of automobile entertainment system |
| KR20180045672A (en) * | 2016-10-26 | 2018-05-04 | 엘에스오토모티브테크놀로지스 주식회사 | Vehicle type virtual engine sound system for modulation of amplitude without the amplifier |
| US20180181365A1 (en) * | 2016-12-27 | 2018-06-28 | Harman International Industries, Incorporated | Control for vehicle sound output |
| US20180374468A1 (en) * | 2017-06-23 | 2018-12-27 | Hyundai Motor Company | Vehicle, method for controlling the vehicle, and audio device for vehicle |
| CN207045230U (en) * | 2017-07-06 | 2018-02-27 | 上海蔚来汽车有限公司 | Vehicles alarm set and electric vehicle |
| CN107889026A (en) * | 2017-12-15 | 2018-04-06 | 北京普瑞众创科技有限公司 | Vehicle sounds system and the vehicles |
| US20190320302A1 (en) * | 2018-04-17 | 2019-10-17 | Hyundai Motor Company | Entertainment system of vehicle, method for connecting wireless, and processing sound using the same |
| CN109552165A (en) * | 2018-11-29 | 2019-04-02 | 铠龙东方汽车有限公司 | A kind of multifunctional alarming interactive system for electric vehicle |
Non-Patent Citations (1)
| Title |
|---|
| 韩勇等: "新能源汽车低速行驶模拟提示系统设计", 《汽车电器》 * |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP6209684B2 (en) | Voice tuning according to the situation | |
| CN112435682B (en) | Vehicle noise reduction system, method and device, vehicle and storage medium | |
| JPS589270A (en) | Radio cassette apparatus for automobile | |
| CN102224674A (en) | Noise modifying overhead audio system | |
| EP1886876B1 (en) | Onboard audio visual system | |
| CN106548797A (en) | A kind of collection is visual, the vehicle intelligent platform of Voice command integration | |
| WO2020120754A1 (en) | Audio processing device, audio processing method and computer program thereof | |
| CN110544478A (en) | System and method for intelligent far-field voice interaction of cockpit | |
| JP4285371B2 (en) | Sound field control system | |
| CN216886473U (en) | Vehicle-mounted audio system | |
| CN113273223A (en) | Acoustic augmented reality system based on hybrid vehicle-mounted loudspeaker and earphone | |
| CN112601152A (en) | Sound production system and method for outside of vehicle | |
| CN209183265U (en) | Apparatus for processing audio | |
| JP4174568B2 (en) | Transmitter | |
| JP4411551B2 (en) | AV system | |
| WO2008070093A1 (en) | Rear seat audio video systems and methods | |
| CN210183486U (en) | Vehicle-mounted microphone based on Bluetooth wireless transmission technology | |
| JP3312903B2 (en) | Automotive audio interface adapter | |
| CN216957423U (en) | Vehicle-mounted KTV device | |
| WO2001003471A1 (en) | Vehicle-mounted acoustic system | |
| US7092530B1 (en) | Motor vehicle audio system | |
| CN210381283U (en) | External vehicle-mounted sound effect device | |
| CN219761294U (en) | Multifunctional audio system | |
| CN219322461U (en) | Audio interface communication device of entertainment screen and vehicle | |
| CN218772409U (en) | Vehicle-mounted sound device with external power amplifier and vehicle |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210402 |
|
| RJ01 | Rejection of invention patent application after publication |