CN218772387U - In-vehicle and out-vehicle directional voice interaction system and vehicle thereof - Google Patents
In-vehicle and out-vehicle directional voice interaction system and vehicle thereof Download PDFInfo
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- CN218772387U CN218772387U CN202222758634.6U CN202222758634U CN218772387U CN 218772387 U CN218772387 U CN 218772387U CN 202222758634 U CN202222758634 U CN 202222758634U CN 218772387 U CN218772387 U CN 218772387U
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Abstract
The utility model provides an inside and outside directional voice interaction system of car and vehicle thereof, this vehicle includes: the top or at least one side of the vehicle is provided with a directional sound receiving and transmitting device; the directional receiving and sounding device comprises a directional microphone array and a directional sounding loudspeaker, wherein the directional microphone array is used for directionally receiving sound information; the directional sounding loudspeaker is used for directionally sending sound information; and the controller is used for controlling the directional microphone array and the directional sounding loudspeaker. Under the condition that a vehicle is not windowed, directionally collecting the sound of the vehicle or the pedestrian outside the vehicle through the external directional microphone array, transmitting the sound into the vehicle for playing, ensuring that the sound outside the vehicle smoothly reaches the interior of the vehicle, simultaneously recording the sound in the vehicle by using the internal microphone, and playing the sound in the vehicle through the external directional sounding loudspeaker or the AVAS system loudspeaker, on one hand, ensuring the normal sound communication between the vehicles and between the vehicle and the pedestrian; on the other hand, the noise of the environment outside the vehicle is isolated and shielded.
Description
Technical Field
The utility model relates to a directional transaudient technical field also relates to the intelligent transportation field, especially relates to an inside and outside directional voice interaction system of car and vehicle thereof, and this vehicle has directional receiving and dispatching sound device.
Background
The car-mounted device of the vehicle often adopts a microphone to collect a voice signal in the car, so as to realize a voice control function, so that a user can control various application programs through a voice control instruction, for example, turning on music, reading books, searching for points of interest, interphone application, and the like. In addition, on 5.6.2022, the state promulgated the latest "noise pollution control law", defined more strict and detailed noise pollution, further pointed out that pollution control is performed from noise sources, and included in the environmental pollution control range of local governments.
However, in the current related art, the vehicle cannot realize real-time communication between the person in the vehicle and the person outside the vehicle or the voice of the vehicle under the condition that the vehicle window is not opened, namely, the vehicle window must be opened, which undoubtedly increases the driving safety risk of the person in the vehicle. In addition, at present, when the vehicle is at a standstill or in the driving process, the omnidirectional whistle horn or the AVAS system loudspeaker cannot remind the driver of the vehicle by sound aiming at the appointed driving direction. Therefore, a directional voice interactive system inside and outside a vehicle is needed.
SUMMERY OF THE UTILITY MODEL
In view of the above shortcoming of the prior art, the utility model aims to provide an inside and outside directional voice interaction system of car and vehicle thereof for solve prior art in the car unable directional send-receiver sound inside and outside the car, and cause the sound pollution problem of potential safety hazard and existence.
In order to achieve the above objects and other related objects, the utility model provides an inside and outside directional voice interaction vehicle of car, include:
the top of the vehicle or at least one side of the vehicle is provided with a directional sound receiving and transmitting device; the directional sound receiving and emitting device comprises a directional microphone array and a directional sound emitting loudspeaker, wherein the directional microphone array is used for directionally receiving first sound information from the outside of the vehicle; the directional sounding loudspeaker is used for directionally sending second sound information in the vehicle outside the vehicle;
a sound receiving and transmitting device matched with the directional sound receiving and transmitting device is arranged in the vehicle, wherein the sound receiving and transmitting device comprises a microphone array and a sound generating loudspeaker, and the sound generating loudspeaker is used for playing the first sound information in the vehicle; the microphone array is used for collecting second sound information of a user in the vehicle;
and the controller is respectively connected with the directional sound receiving and emitting device and the sound receiving and emitting device and is used for receiving the first sound information so that the sound emitting loudspeaker plays the first sound information in the vehicle, and is also used for receiving the second sound information so that the directional sound emitting loudspeaker plays the second sound information outside the vehicle.
In an embodiment of the present invention, the method further includes: if the directional sound receiving and emitting device is arranged at the top of the vehicle through a rotating mechanism, the direction of the rotating mechanism is adjustable; the controller is connected with the rotating mechanism and controls the rotating direction of the rotating mechanism so as to enable the directional sound receiving and transmitting device to directionally receive and transmit sound information towards a target object.
In an embodiment of the present invention, the method further includes: if the directional sound receiving and emitting devices are distributed on at least one side of the vehicle, the controller opens the directional sound receiving and emitting device on the side matched with the target object according to the current position information of the target object relative to the vehicle, so that the directional sound receiving and emitting device faces the target object to achieve directional sound receiving and emitting.
In an embodiment of the present invention, at least one side of the vehicle includes a front side, a rear side, a left side and a right side of the vehicle.
In an embodiment of the present invention, the directional microphone array includes an acoustic vehicle warning system speaker.
In an embodiment of the present invention, the method further includes:
the vehicle-mounted radar is used for acquiring a target surrounding the current periphery of the vehicle;
the image acquisition module is used for acquiring a target image around the current vehicle;
the external microphone is used for acquiring the sound source direction of external sound transmitted into the current vehicle;
the controller is respectively connected with the vehicle-mounted radar, the image acquisition module and the external microphone and is used for determining a target object emitting the directional sound information according to the target around the current vehicle, the target image and the sound source direction so as to enable the directional sound receiving and emitting device to face the target object.
In an embodiment of the present invention, the present invention further includes: the noise collecting microphone is arranged in the vehicle and connected with the controller and is used for collecting environmental noise in the vehicle, and the environmental noise is sound except sound emitted by a sound emitter of the voice signal; the controller further comprises: and the noise elimination module is used for subtracting the collected voice signal of the user from the environmental noise to strengthen the clear target sound information.
The utility model provides an inside and outside directional voice interaction system of car, include: in the vehicle, the directional transmitting and receiving sound device is used for establishing directional (ultrasonic) communication with the target object to realize directional transmitting and receiving of the sound information, and the target object comprises a pedestrian or/and a vehicle.
In an embodiment of the present invention, the method further includes:
the relative position acquisition module is used for acquiring the relative position between the current vehicle and a target vehicle on a road, wherein the relative position comprises a parallel position or a front-back position;
the controller is connected to the relative position acquisition module and used for adjusting the rotation angle and the coverage range of the directional sound receiving and transmitting device corresponding to each vehicle according to the current relative position of each pair of vehicles when the directional (ultrasonic) communication is monitored to be carried out on each pair of vehicles, so that the directional voice communication is established between each pair of vehicles.
In an embodiment of the present invention, the method further includes:
the pedestrian position acquisition module is used for acquiring the relative position between a pedestrian and the vehicle on the road, wherein the relative position comprises a parallel position or a front-back position;
the controller is connected to the pedestrian position acquisition module and used for adjusting the rotation angle and the coverage range of the directional sound receiving and transmitting device corresponding to the vehicle according to the relative position between the pedestrian and the vehicle, so that the coverage area covers the current pedestrian and the directional voice communication is ensured to be established between the vehicle and the pedestrian.
As above, the utility model discloses an inside and outside directional voice interaction system of car and vehicle thereof has following beneficial effect:
the utility model discloses between vehicle and vehicle, between vehicle and pedestrian, through on-vehicle directional microphone array, convey outside sound to vehicle inside smoothly, broadcast through loudspeaker inside, under the condition that the driver does not open the window or does not stop, let the user in the vehicle clearly listen to and understand the outer information of car; voice information of a user is collected in the vehicle through a sound pickup, and the voice information is sent out of the vehicle through a directional sound production loudspeaker, so that the voice information can be directionally received outside the vehicle, directional voice interaction between vehicles and between the vehicles and pedestrians is realized, and the intelligent level of a directional voice interaction system inside and outside the vehicle is greatly improved; the safety of the vehicle is ensured, and other irrelevant vehicles outside the vehicle or environmental noise can be isolated and shielded. Meanwhile, the sound shielding of the surrounding environment where the vehicle is located can be met, and sound pollution is reduced.
Drawings
FIG. 1 is a block diagram of a vehicle according to the present invention;
fig. 2 shows an application scene diagram of an embodiment of the in-vehicle and out-vehicle directional speech interaction system provided by the present invention.
Detailed Description
The following description is provided for illustrative purposes, and other advantages and features of the present invention will become apparent to those skilled in the art from the following detailed description.
Please refer to fig. 1-2. It should be understood that the structure, ratio, size and the like shown in the drawings attached to the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by those skilled in the art, and are not used for limiting the limit conditions that the present invention can be implemented, so that the present invention has no technical essential meaning, and any structure modification, ratio relationship change or size adjustment should still fall within the scope that the technical content disclosed in the present invention can cover without affecting the function that the present invention can produce and the purpose that the present invention can achieve. Meanwhile, the terms such as "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for convenience of description, and are not intended to limit the scope of the present invention, and changes or adjustments of the relative relationship thereof may be made without substantial technical changes, and the present invention is also regarded as the scope of the present invention.
Referring to fig. 1, the present invention provides a structural block diagram of a vehicle, including:
a directional sound receiving and emitting device 2 is arranged on the top of the vehicle 1 or at least one side of the vehicle; the directional sound receiving and emitting device comprises a directional microphone array and a directional sound emitting loudspeaker, wherein the directional microphone array is used for directionally receiving first sound information from the outside of the vehicle; the directional sounding loudspeaker is used for directionally sending second sound information in the vehicle outside the vehicle;
a sound receiving and transmitting device matched with the directional sound receiving and transmitting device is arranged in the vehicle, wherein the sound receiving and transmitting device comprises a microphone array and a sound generating loudspeaker, and the sound generating loudspeaker is used for playing the first sound information in the vehicle; the microphone array is used for collecting second sound information of a user in the vehicle;
specifically, the at least one side of the vehicle includes at least one of a front side, a rear side, a left side, and a right side of the vehicle at present. For example, the vehicle refers to a passenger car, a light truck, a car, a truck, a new energy automobile, and the like. Wherein front, rear, left and right are understood from the perspective of an operator of the vehicle seated in the driver's seat in a standard operating position, i.e. facing the steering wheel.
For another example, the sound receiving and emitting device includes, but is not limited to, a directional sound receiving and emitting device or an omnidirectional sound receiving and emitting device, and the setting can be performed according to the user's needs, for example, when only the driver needs to send or receive the sound outside the vehicle, the layout of the directional sound receiving and emitting device is adopted in the vehicle, and conversely, if all the users in the cab can receive the first sound information or send the second sound information, the omnidirectional sound receiving and emitting device is adopted to perform the matching setting.
And the controller 3 is respectively connected with the directional sound receiving and emitting device and the sound receiving and emitting device and is used for receiving the first sound information so that the sound emitting loudspeaker plays the first sound information in the vehicle, and is also used for receiving the second sound information so that the directional sound emitting loudspeaker plays the second sound information outside the vehicle.
Specifically, the controller processes the general turning on or off, and designates to turn on the directional microphone array and the directional sound emission speaker and the microphone array and the sound emission speaker in the sound receiving and transmitting device at the same time, or to turn off the directional microphone array and the directional sound emission speaker and the microphone array and the sound emission speaker in the sound receiving and transmitting device at the same time, and of course, different control information may be used to control the two devices respectively.
In this embodiment, the vehicle is provided with a directional sound receiving and emitting device, and the vehicle can interact with pedestrians or vehicles through the directional sound receiving and emitting device. It should also be noted that the directional microphone array includes an acoustic vehicle warning system speaker, for example, when the vehicle is running at low speed in a purely electric mode, the AVAS speaker can improve its perceptibility by emitting an engine simulation sound, and provide a guarantee for pedestrian safety and bring a better driving experience for the driver.
Specifically, the controller is installed inside the vehicle, and sends a control signal through the controller, for example, sends a first control signal to control the on/off of the sound-producing speaker inside the vehicle and the directional microphone array outside the vehicle, where the first control signal is at a high level to control the on/off of the sound-producing speaker inside the vehicle and the directional microphone array outside the vehicle, and conversely, the first control signal is at a low level to control the on/off of the sound-producing speaker inside the vehicle and the directional microphone array outside the vehicle; similarly, a second control signal is sent to control the opening or closing of the directional sound-producing loudspeaker in the vehicle and outside the vehicle, the second control signal is at a high level, the directional sound-producing loudspeaker in the vehicle and outside the vehicle is opened, and conversely, the second control signal is at a low level, the directional sound-producing loudspeaker in the vehicle and outside the vehicle is closed.
It should be noted that, when the microphone array (i.e., with a sound pickup) and the sound-producing speaker (i.e., a loudspeaker) in the vehicle are turned on, the voice information of the user in the vehicle can be collected and sent to the directional sound-producing speaker for directional sound information sending; in addition, when the horn is opened, the directional sound collected by the external directional microphone array can be played, so that the directional voice interaction between vehicles and between the vehicles and pedestrians is realized under the condition that the vehicle window is not opened, the vehicles do not stop or the vehicle speed is not reduced by a user in the vehicle, and the intelligent level of the in-vehicle and out-vehicle directional voice interaction system is greatly improved; the safety of the vehicle is ensured, and other irrelevant vehicles outside the vehicle or environmental noise can be isolated and shielded.
The controller may be a general-purpose Processor, and includes a Central Processing Unit (CPU), a Network Processor (NP), and the like; the Integrated Circuit may also be a Digital Signal Processor (DSP), an Application Specific Integrated Circuit (ASIC), a Field Programmable Gate Array (FPGA) or other Programmable logic device, a discrete Gate or transistor logic device, or a discrete hardware component.
For example, the directional sound-emitting speaker may be an ultrasonic array speaker, and is used for modulating an audio signal (mainly referring to an audible sound, such as a human voice, or a sound with a frequency of 20HZ to 20000 HZ) into an ultrasonic signal (with a frequency greater than 20 KHZ) to emit and transmit; the audio signal is modulated into the ultrasonic signal by taking the ultrasonic signal as a carrier wave, and the low-frequency audio signal is modulated into the high-frequency ultrasonic signal; the ultrasonic array loudspeaker 1 comprises a plurality of ultrasonic transducers which are uniformly arranged, and the ultrasonic array loudspeaker is formed by the ultrasonic transducers, wherein the array can be square or round, the external shape of the ultrasonic transducers can be square, round, elliptic curve, hemispherical curve or cylindrical curve, the shape is preferably round, and the resonant frequency of the ultrasonic transducers is between 20 and 500 khz.
The directional sounding loudspeaker can also be a linear array device consisting of full-frequency loudspeakers (20 Hz-20 KHz), and the directional sounding loudspeaker is matched with an independent specific algorithm, so that the sound has an obvious energy convergence effect. The utility model relates to a full frequency loudspeaker satisfies directional sound production demand to the adaptation corresponds the algorithm and the customization, ordinary loudspeaker in non-market. Its size, power isoparametric to and arrangement, how much, inner structure, algorithm match etc. are directional sounding's technical component part, unique and proprietary. Is the experience accumulation and summary of long-term research and development and test.
In another example, further comprising: and the reflector is arranged in the transmission direction of the ultrasonic array loudspeaker in an included angle mode and directionally reflects the ultrasonic signals.
Specifically, noise of the ultrasonic signal caused by horn resonance is reduced by adopting an angle reflection form, and meanwhile, a receiver in a short distance can clearly hear the ultrasonic signal by adopting the angle reflection form without waiting for the noise in the ultrasonic signal to be eliminated by air propagation.
It should be further noted that the directional microphone array is a microphone array for collecting directional broadcast voice. In the process of realizing directional voice interaction between vehicles, the sound collection range of the directional microphone array of one vehicle is overlapped with the broadcast coverage area formed by the directional sound-producing loudspeaker of the other vehicle as much as possible, so that after the directional sound-receiving and sound-producing device of the same vehicle emits directional voice information, the directional microphone array of the same vehicle can be ensured to collect the directional sound information emitted by the vehicle.
In other embodiments, if the directional sound collecting and generating device is mounted on the top of the vehicle through a rotating mechanism, the direction of the rotating mechanism is adjustable; the controller is connected with the rotating mechanism and controls the rotating direction of the rotating mechanism so as to enable the directional sound receiving and transmitting device to directionally receive and transmit sound information towards a target object.
Specifically, referring to fig. 2 in detail, a directional sound receiving and emitting device is installed at the top of the vehicles, and a sound intercom closed-loop channel is formed between the vehicles through the directional sound receiving and emitting device, so that directional sound information interaction is realized in the channel. It should be noted that, if two vehicles travel in the same direction, the directional sound receiving and emitting devices between the two vehicles must be arranged in opposite directions, that is, the ultrasonic regions formed between the two vehicles are mutually covered. If the vehicles drive oppositely, the directional voice interaction between the vehicles cannot be effectively ensured to be normally carried out due to the fact that the self moving speed of the vehicles is high.
In the embodiment, because the direction and the angle of the directional sound receiving and transmitting device are adjustable, when the directional sound receiving and transmitting device and the directional sound transmitting and transmitting device are determined to need to carry out sound information interaction, a driver can manually punch a card or close the specified directional sound receiving and transmitting device, and further directional sound information interaction between vehicles is realized.
For example, when a vehicle is in a high-speed driving state, all the external directional sound receiving microphone arrays are in a closed state, when other vehicles approach, and the other vehicles call out through the own directional sound emitting loudspeaker arrays, and the like, the drivers are prompted whether to allow the directional sound receiving microphone arrays of the corresponding directions or sound receiving points to be opened or not by combining the calling functions of the directional sound receiving and emitting systems carried by the respective vehicles, so that the drivers can listen to the directional sound information emitted by the other vehicles. For example: other vehicles prompt the self vehicle of dangerous conditions or safety information or prompt related to roads and driving.
In another example, if the directional sound receiving and emitting devices are distributed on at least one side of the vehicle, the controller opens the directional sound receiving and emitting device on the side matched with the target object according to the current position information of the target object relative to the vehicle, so that the directional sound receiving and emitting device realizes directional sound information receiving and emitting towards the target object.
For example, around the left and right reflectors of the vehicle, near the trunk license plate of the tail of the vehicle, and any other designated positions, the miniaturized directional microphone sound collecting arrays are embedded in a concealed manner to form directional sound collecting points aiming at four or more designated directions, wherein each directional sound collecting point (namely, the directional microphone array) is used for collecting sound with the directional sound collecting point in the designated direction being less than or equal to +/-15 degrees, and sound in other directions or areas cannot be collected.
For example, the controller may be implemented by:
(1) by judging the state of the vehicle, the vehicle-mounted computer automatically selects which directional sound receiving microphone array of the directional sound receiving point is opened, which directional sound receiving microphone array(s) is opened and which directional sound receiving microphone array(s) is closed;
(2) manually checking a card or closing the designated directional sound receiving microphone array by a driver;
(3) and the corresponding directional sound receiving microphone array is opened by the remote control of relevant equipment of a traffic management department or a traffic police department of the highway.
On the basis of the above embodiment, the method further comprises the following steps: different directional sound receiving microphone arrays are combined with corresponding scene modes to play roles in prompting, warning and the like for drivers or passengers in the automobile. For example:
(1) when the vehicle is stopped or in a low-speed state, a driver can manually select which directional sound receiving microphone array is opened, and dialogue with the outside of the vehicle is carried out in a mode of not opening a window or a door. The safety and the convenience are improved;
(2) and in a high-speed running state of the vehicle, all the external directional sound collecting microphone arrays are in a closed state. When other vehicles approach the parking lot, the parking lot is used for judging whether the approaching vehicles are safe by matching with devices such as vehicle-mounted radars and infrared induction parking, and prompting drivers whether to allow opening directional sound receiving microphone arrays corresponding to directions or sound receiving points or not by combining the calling functions of directional sound receiving and transmitting systems carried by the vehicles to listen to sound information emitted by other vehicles. For example: other vehicles prompt the dangerous condition of the vehicle, or safety information or prompt related to the road and driving;
(3) the vehicle is in a driving state, no matter the speed, as long as a person is in the vehicle, the vehicle is in an ignition state, and a road management department or a traffic police department can forcibly activate and open the directional sound collecting microphone array system through special matching equipment. So as to carry out real-time shouting or voice broadcasting in the vehicle;
(4) in addition, more modes can be involved, and the wind-screen array can be updated to the vehicle in time in a vehicle networking mode through more vehicle enterprises, road management departments and traffic police management departments, so that a driver or passengers in the vehicle can be informed of relevant road or driving safety information, emergency warning and the like, the use of the driver is facilitated, and the scientific management of the vehicle is realized.
In other embodiments, further comprising:
the vehicle-mounted radar is used for acquiring a target surrounding the current periphery of the vehicle;
the image acquisition module is used for acquiring a target image around the current vehicle;
the external microphone is used for acquiring the sound source direction of external sound transmitted into the current vehicle;
the controller is respectively connected with the vehicle-mounted radar, the image acquisition module and the external microphone and is used for determining a target object emitting the directional sound information according to the target, the target image and the sound source direction around the current vehicle so as to enable the directional sound receiving and emitting device to face the target object.
Through the mode, the controller can determine surrounding targets around the current vehicle according to radar point cloud data acquired by the vehicle-mounted radar, determine the orientation of each target through image data, determine whether the target vehicle is a pedestrian or a specific vehicle according to the orientation by combining the sound source direction, and meanwhile, determine whether the directional microphone array and the directional sound-producing loudspeaker need to be started or not by using directional sound acquired by a sound pickup (an external microphone) and combining the targets around the current vehicle, for example, when sound is received in a certain direction, and the position of the target object is determined by combining the image data and the point cloud data, the directional sound-receiving and-producing device can be adjusted to face the target object, and the purpose of the directional microphone array and the directional sound-producing loudspeaker can be intelligently started. Similarly, when only the direction of the received sound source is found and no target exists around the vehicle, the directional microphone array and the directional sound emitting speaker of the vehicle can be turned off preferentially.
In other embodiments, further comprising: the noise collecting microphone is arranged in the vehicle and connected with the controller and is used for collecting environmental noise in the vehicle, and the environmental noise is sound except sound emitted by a voice signal emitter; the controller further includes: and the noise elimination module is used for subtracting the collected voice signal of the user from the environmental noise to determine the sound information.
In this embodiment, when the inside speech signal who gathers user of vehicle, often there is the noise, in order to improve speech signal's the degree of accuracy, through filtering environmental noise, can accurately convert user's speech signal into sound information, the normal interactive communication of directional receiving and dispatching of being convenient for.
The utility model discloses still an inside and outside directional voice interaction system of car, include: the vehicle establishes directional (ultrasonic) communication with a target object by using the directional sound transmitting and receiving device to realize directional transmitting and receiving of sound information, wherein the target object comprises a pedestrian or/and a vehicle.
In other embodiments, further comprising:
the relative position acquisition module is used for acquiring the relative position between the current vehicle and a target vehicle on a road, wherein the relative position comprises a parallel position or a front-back position;
the controller is connected to the relative position acquisition module and used for adjusting the rotation angle and the coverage range of the directional sound receiving and transmitting device corresponding to each vehicle according to the current relative position of each two vehicles when the directional (ultrasonic) communication is monitored to be carried out on each two vehicles, so that the directional (ultrasonic) communication is established between each two vehicles.
Besides the function of directionally receiving the sound outside the vehicle, the voice communication with the outside of the vehicle can be realized in real time under the conditions that the window and the door of the driver in the vehicle are not opened, so that the safety of the driver and the personnel in the vehicle is ensured to the greatest extent.
For example, the relative position between the current vehicle and a target vehicle to establish directional (ultrasonic) communication is acquired through a relative position acquisition module, and on one hand, the directional sound receiving and emitting device on which side of the current vehicle is opened can be determined through the relative position; on the other hand, it can be ensured whether the current vehicle needs to adjust the rotation angle and the coverage to the acoustic transceiver, thereby enabling to quickly establish directional (ultrasonic) communication between two vehicles.
In other embodiments, further comprising:
the pedestrian position acquisition module is used for acquiring the relative position between a pedestrian and the vehicle on the road, and the relative position comprises a parallel position or a front-back position;
the controller is connected to the pedestrian position acquisition module and used for adjusting the rotation angle and the coverage range of the directional sound receiving and transmitting device corresponding to the vehicle according to the relative position between the pedestrian and the vehicle, so that the coverage area covers the current pedestrian and the directional (ultrasonic) communication is ensured to be established between the vehicle and the pedestrian.
It should be noted that the relative position between the current vehicle and the pedestrian on the road is obtained through the pedestrian position obtaining module, and on one hand, the directional sound receiving and emitting device on which side of the current vehicle is opened can be determined through the relative position; on the other hand, it can be ensured whether the current vehicle needs to adjust the rotation angle and the coverage to the sound-emitting and receiving device, so that the coverage of the current communication to be established can quickly establish directional (ultrasonic) communication between the vehicle and the pedestrian.
In this embodiment, the in-vehicle and out-vehicle directional sound receiving and emitting system is a set of novel sound interaction system that can be matched with all vehicles. The dialogue between the vehicle (driver) inside and outside the vehicle and people (pedestrians), the dialogue between the vehicle (driver) and the dialogue between the vehicle (driver) and the road (road manager or traffic police) can be realized, the operations of stopping the vehicle, lowering windows, opening doors and the like are not needed, and the dialogue is safer, more convenient and more efficient.
To sum up, the utility model discloses between vehicle and vehicle, between vehicle and pedestrian, through on-vehicle directional microphone array, convey outside sound to vehicle inside smoothly, broadcast through loudspeaker inside, under the condition that the driver does not open the window or does not stop the car, let the user in the vehicle clearly listen to and understand the information outside the car; voice information of a user is collected in the vehicle through a sound pickup, and the voice information is sent out of the vehicle through a directional sound production loudspeaker, so that the voice information can be directionally received outside the vehicle, directional voice interaction between vehicles and between the vehicles and pedestrians is realized, and the intelligent level of a directional voice interaction system inside and outside the vehicle is greatly improved; the safety of the vehicle is ensured, and other irrelevant vehicles outside the vehicle or environmental noise can be isolated and shielded.
The above embodiments are merely illustrative of the principles and effects of the present invention, and are not intended to limit the present invention. Any person skilled in the art can modify or change the above embodiments without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which may be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.
Claims (10)
1. An in-vehicle and out-vehicle directional voice interaction vehicle, comprising:
the top of the vehicle or at least one side of the vehicle is provided with a directional sound receiving and transmitting device; the directional sound receiving and emitting device comprises a directional microphone array and a directional sound emitting loudspeaker, wherein the directional microphone array is used for directionally receiving first sound information from the outside of the vehicle; the directional sounding loudspeaker is used for directionally sending second sound information in the vehicle outside the vehicle;
a sound receiving and emitting device matched with the directional sound receiving and emitting device is arranged in the vehicle, wherein the sound receiving and emitting device comprises a microphone array and a sound emitting loudspeaker, and the sound emitting loudspeaker is used for playing the first sound information in the vehicle; the microphone array is used for collecting second sound information of a user in the vehicle;
and the controller is respectively connected with the directional sound receiving and emitting device and the sound receiving and emitting device and is used for receiving the first sound information so that the sound emitting loudspeaker plays the first sound information in the vehicle, and is also used for receiving the second sound information so that the directional sound emitting loudspeaker plays the second sound information outside the vehicle.
2. The in-vehicle directional voice interaction vehicle of claim 1, further comprising: if the directional sound receiving and emitting device is arranged at the top of the vehicle through a rotating mechanism, the direction of the rotating mechanism is adjustable; the controller is connected with the rotating mechanism and controls the rotating direction of the rotating mechanism so as to enable the directional sound receiving and transmitting device to directionally receive and transmit sound information towards a target object.
3. The in-vehicle directional voice interaction vehicle of claim 1, further comprising: if the directional sound receiving and emitting devices are distributed on at least one side of the vehicle, the controller opens the directional sound receiving and emitting device on the side matched with the target object according to the current position information of the target object relative to the vehicle, so that the directional sound receiving and emitting device faces the target object to achieve directional sound receiving and emitting.
4. The in-vehicle directional voice interaction vehicle of claim 1 or 3, wherein the at least one side of the vehicle comprises a front side, a rear side, a left side, and a right side of the vehicle.
5. The in-vehicle directional speech interaction vehicle of claim 1, wherein the directional microphone array comprises an acoustic vehicle warning system speaker.
6. The in-vehicle directional voice interaction vehicle of claim 2 or 3, further comprising:
the vehicle-mounted radar is used for acquiring a target surrounding the current periphery of the vehicle;
the image acquisition module is used for acquiring a target image around the current vehicle;
the controller is respectively connected with the vehicle-mounted radar and the image acquisition module and is used for determining a target object emitting directional sound information according to the target around the current vehicle and the target image so as to enable the directional sound receiving and emitting device to face the target object.
7. The in-vehicle directional voice interaction vehicle of claim 1, further comprising: the noise collecting microphone is arranged in the vehicle and connected with the controller and is used for collecting environmental noise in the vehicle, and the environmental noise is sound except sound emitted by a voice signal emitter; the controller further comprises: and the noise elimination module is used for subtracting the collected voice signal of the user from the environmental noise to determine the sound information.
8. An in-vehicle and out-vehicle directional voice interaction system, comprising: the vehicle of any one of claims 1 to 7 is adopted, and the vehicle establishes directional communication with a target object by using a directional sound transmitting and receiving device to realize directional transmission and reception of sound information, wherein the target object comprises a pedestrian or/and a vehicle.
9. The in-vehicle and out-of-vehicle directional voice interaction system of claim 8, further comprising:
the relative position acquisition module is used for acquiring the relative position between the current vehicle and a target vehicle on a road, wherein the relative position comprises a parallel position or a front-back position;
the controller is connected to the relative position acquisition module and used for adjusting the rotation angle and the coverage range of the directional sound receiving and transmitting device corresponding to each vehicle according to the current relative position of each two vehicles when the directional communication is monitored to be carried out on each two vehicles, so that the directional communication is established between each two vehicles.
10. The in-vehicle and out-of-vehicle directional voice interaction system of claim 8, further comprising:
the pedestrian position acquisition module is used for acquiring the relative position between a pedestrian and the vehicle on the road, wherein the relative position comprises a parallel position or a front-back position;
the controller is connected to the pedestrian position acquisition module and used for adjusting the rotation angle and the coverage range of the directional sound receiving and transmitting device corresponding to the vehicle according to the relative position between the pedestrian and the vehicle, so that the coverage area covers the current pedestrian and the directional communication is ensured to be established between the vehicle and the pedestrian.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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