Audio control system, control method and vehicle audio

Abstract

The present application relates to the field of vehicle audio technology, and in particular to an audio control system, a control method, and a vehicle audio system. A connection module is connected to the vehicle system via a circuit or a communication module, and is connected to an external system via wireless communication, so that the audio control system can obtain signals from the vehicle system and the external system. A judgment module determines the signal source of the connection module, and then a decision module determines a sound strategy based on the signal source. After the control module obtains the sound strategy instruction, it causes the first audio module and the second audio module to operate according to the sound strategy, thereby enabling the vehicle audio system to adopt different sound strategies based on different signal sources, allowing the vehicle audio system to meet diverse needs.

Description

Technical Field

[0001] The present application relates to the technical field of vehicle-mounted audio, and in particular to an audio control system, a control method, and a vehicle-mounted audio system. Background Art

[0002] With the development of society and the strengthening of the nation, people's living standards have gradually improved, and driving has become more and more common. With the development of the automobile industry, the functions of cars have become increasingly sophisticated. In addition to pursuing basic car functions, people are increasingly paying attention to the safety and user experience of cars.

[0003] During driving, different scenarios require different audio systems. In emergency notifications, all passengers in the vehicle need to be notified via the audio system. In audio-visual scenarios, the audio system needs to adapt to the needs of different people. In navigation scenarios, the audio system needs to enable the driver to clearly obtain navigation information. In communication scenarios, the audio system needs to enable private communication. In assistance scenarios, the audio system needs to provide voice assistance to the driver.

[0004] However, most of the current car audio systems are centrally controlled and have single functions, which makes it difficult to meet the needs of different scenarios.

[0005] It can be seen that how to make car audio meet diverse needs is a technical problem that needs to be solved urgently. Summary of the Invention

[0006] The present application provides an audio control system, a control method, and a vehicle audio system, which are intended to solve the technical problem in the prior art of how to make vehicle audio systems meet diverse needs.

[0007] The present application provides an audio control system, comprising:

[0008] a first audio module, the first audio module being configured to provide sound to the driver;

[0009] a second audio module, the second audio module being used to provide sound to the entire vehicle;

[0010] a connection module, the connection module being used to connect the audio control system with an onboard system and an off-board system;

[0011] A judgment module, configured to judge the source of a signal from a connection module;

[0012] A decision module, configured to determine a vocalization strategy based on the information from the judgment module;

[0013] A control module is configured to send a control instruction to at least one of the first sound module and the second sound module according to the sound emission strategy.

[0014] Optionally, the first sound module includes a broadcast directional sound module and a warning directional sound module;

[0015] The broadcast directional audio module is used for voice broadcast and call broadcast;

[0016] The warning directional sound module is used to broadcast warnings for events in specific parts and directions of the vehicle.

[0017] Optionally, the number and installation positions of the warning directional sound modules match the number and locations of the warning positions provided by the vehicle warning system.

[0018] Optionally, the audio control system provided in the present application further includes a third audio module, and the third audio module is used to provide sound to each occupant in a non-driving seat respectively.

[0019] Optionally, the audio control system provided by this application further includes:

[0020] A driver's seat operation module, the driver's seat operation module is used for the driver to control the audio control system;

[0021] A non-driving seat operation module, wherein the non-driving seat operation module is used for a passenger in a non-driving seat to control the corresponding passenger seat speaker;

[0022] A voice operation module, the voice operation module is used to control the sound control system through voice;

[0023] The authority allocation module is used to allocate operating authority to the driver or allocate operating authority according to a preset authority allocation strategy.

[0024] Optionally, the audio control system provided in the present application further includes a passenger seat operation module, and the passenger seat operation module is used for the passenger in the passenger seat to assist in operating the audio control system.

[0025] On the other hand, the present application also provides an audio control method for controlling the audio control system provided by the present application, comprising the following steps:

[0026] Get external signals;

[0027] Determining a signal source of the external signal to obtain a determination result;

[0028] determining a vocalization strategy according to the judgment result;

[0029] controlling the first sound module and the second sound module according to the sound emission strategy;

[0030] The first sound module is used to provide sound to the driver, and the second sound module is used to provide sound to the entire vehicle.

[0031] Optionally, the judgment result includes: the signal source is from at least one of a navigation system, a call system, and a vehicle warning system;

[0032] The first sound module includes a broadcast directional sound module and a warning directional sound module;

[0033] The vocalization strategy includes the following steps:

[0034] Determine the direction and number of signal sources;

[0035] If the number of the signal source is one, sending a control instruction to the corresponding audio module according to the direction of the signal source;

[0036] If the number of the signal sources is at least two, determining the priorities of the signal sources, and sending control instructions to the audio modules corresponding to the directions of the signal sources respectively according to the priorities of the signal sources;

[0037] Wherein, if the direction of the signal source is a navigation system, the corresponding sound module includes a broadcast directional sound module;

[0038] If the signal source is a communication system, the corresponding sound module includes a broadcast directional sound module;

[0039] If the signal source is directed towards a vehicle-mounted warning system, the corresponding sound module includes a warning directional sound module.

[0040] Optionally, the priority of the signal source is configured as follows: the priority of the vehicle warning system takes precedence over the priority of the navigation system, and the priority of the navigation system takes precedence over the priority of the communication system.

[0041] On the other hand, the present application also provides a vehicle-mounted audio system, including the audio control system provided by the present application.

[0042] The beneficial effects achieved by this application are as follows: the connection module is connected to the vehicle system via a circuit or communication module, and to the external system via wireless communication, so that the audio control system can obtain signals from the vehicle system and the external system. The judgment module determines the source of the signal from the connection module, and the decision module determines the sound strategy based on the signal source. After the control module receives the sound strategy instruction, it then operates the first and second audio modules according to the sound strategy, thereby enabling the vehicle audio system to adopt different sound strategies based on different signal sources, allowing the vehicle audio system to meet diverse needs.

[0043] Among them, when the signal source is the driver's call device, sound is provided to the driver through the first audio module, so as to facilitate the driver to realize voice calls and protect the driver's privacy; when the signal source is the navigation device, sound is provided to the driver through the first audio module, thereby avoiding the navigation voice from interfering with other members in the car; when the signal source is the audio and video equipment, sound is provided to the entire car through the second audio module, so that all passengers in the car can feel a good audio-visual experience; when the signal source is the notification system of the road administration or other units, sound is provided to all passengers in the car through the second audio module, so that all members in the car can receive external notification information in time, and then respond accordingly according to the external notification information.

[0044] In this way, the car audio system can meet diverse needs. BRIEF DESCRIPTION OF THE DRAWINGS

[0045] Figure 1 This is a module structure diagram of the sound control system according to an embodiment of the present invention;

[0046] Figure 2 is a flowchart of the steps of the sound control method according to an embodiment of the present invention;

[0047] Figure 3 It is a flowchart of the steps of the voice strategy in an embodiment of the present invention.

[0048] Description of main unit symbols:

[0049] 10. Audio control system; 20. First audio module; 21. Broadcast directional audio module; 22. Warning directional audio module; 30. Second audio module; 40. Third audio module; 51. Connection module; 52. Judgment module; 53. Decision module; 54. Control module; 61. Driver's seat operation module; 62. Non-driver's seat operation module; 63. Voice operation module; 64. Passenger seat operation module; 65. Authority allocation module; 70. In-vehicle system; 80. External vehicle system. DETAILED DESCRIPTION

[0050] In order to make the purpose, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. Examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar units or units with the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and are not to be construed as limiting the present invention. In addition, it should be understood that the specific embodiments described herein are only used to explain the present invention and are not intended to limit the present invention.

[0051] In the description of the present invention, it should be understood that the terms "length", "width", "up", "down", "left", "right", "horizontal", "top", "bottom", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or unit referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0052] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of the technical features being referred to. Thus, features defined as "first" or "second" may explicitly or implicitly include one or more of the described features. In the description of the present invention, "plurality" means two or more, unless otherwise specifically defined.

[0053] In the description of the present invention, it should be noted that, unless otherwise expressly specified or limited, the terms "installed," "connected," and "connected" should be understood in a broad sense. For example, they can refer to fixed connections, detachable connections, or integral connections; they can refer to mechanical connections, electrical connections, or mutual communication; they can refer to direct connections or indirect connections through an intermediate medium; they can refer to internal communication between two units or interaction between two units. Those skilled in the art will understand the specific meanings of the above terms in the present invention based on specific circumstances.

[0054] In the present invention, unless otherwise expressly specified or limited, a first feature being "above" or "below" a second feature may include the first and second features being in direct contact, or may include the first and second features being in contact not directly but through another feature between them. Furthermore, a first feature being "above," "above," and "above" a second feature may include the first feature being directly above or obliquely above the second feature, or may simply mean that the first feature is higher in level than the second feature. A first feature being "below," "below," and "below" a second feature may include the first feature being directly below or obliquely below the second feature, or may simply mean that the first feature is lower in level than the second feature.

[0055] The disclosure below provides many different embodiments or examples for realizing different structures of the present invention. In order to simplify the disclosure of the present invention, the components and settings of specific examples are described below. Of course, they are merely examples and are not intended to limit the present invention. In addition, the present invention may repeat reference numerals and / or reference letters in different examples. Such repetition is for the purpose of simplicity and clarity and does not in itself indicate the relationship between the various embodiments and / or settings discussed. In addition, the present invention provides examples of various specific processes and materials, but those skilled in the art will appreciate the application of other processes and / or the use of other materials.

[0056] See also Figure 1 In some embodiments of the present application, an audio control system 10 provided herein includes: a first audio module 20, a second audio module 30, a connection module 51, a judgment module 52, a decision module 53, and a control module 54. The first audio module 20 is used to provide sound to the driver. The second audio module 30 is used to provide sound to the entire vehicle. The connection module 51 is used to connect the audio control system 10 to the in-vehicle system 70 and the off-vehicle system 80. The judgment module 52 is used to determine the source of the signal from the connection module 51. The decision module 53 is used to determine a sound strategy based on information from the judgment module 52. The control module 54 is configured to send control instructions to at least one of the first audio module 20 and the second audio module 30 based on the sound strategy.

[0057] As will be understood, the connection module 51 is connected to the in-vehicle system 70 via circuitry or a communication module, and to external systems via wireless communication, enabling the audio control system 10 to receive signals from the in-vehicle system 70 and the external system 80. The determination module 52 determines the source of the signal from the connection module 51, and the decision module 53 determines the sound strategy based on the signal source. After receiving the sound strategy instruction, the control module 54 controls the first and second audio modules 20 and 30 to operate according to the sound strategy. This allows the in-vehicle audio system to adopt different sound strategies based on different signal sources, thus meeting diverse in-vehicle audio needs.

[0058] Among them, when the signal source is the driver's call device, sound is provided to the driver through the first audio module 20, so as to facilitate the driver to realize voice calls and protect the driver's privacy; when the signal source is the navigation device, sound is provided to the driver through the first audio module 20, thereby avoiding the navigation voice from interfering with other members in the car; when the signal source is the audio and video equipment, sound is provided to the entire car through the second audio module 30, so that all passengers in the car can feel a good audio-visual experience; when the signal source is the notification system of the road administration or other units, sound is provided to all passengers in the car through the second audio module 30, so that all members in the car can receive external notification information in a timely manner, and then respond accordingly according to the external notification information.

[0059] In this way, the car audio system can meet diverse needs.

[0060] In some application scenarios of the present application, during the driving process of the vehicle, it is usually necessary to navigate through a navigation device so that the vehicle and the people on the vehicle can reach the destination smoothly. In the process of navigation through the vehicle-mounted navigation device or the external navigation device, the navigation information needs to be broadcast by voice so that the driver can grasp the navigation information in time while observing the road conditions. Passengers in other passenger seats do not need to specifically grasp the navigation information of the vehicle, but if the navigation voice information is broadcast to the entire vehicle, it will interfere with the calls or rest of other passengers in the vehicle. During the process of navigation voice broadcast, the navigation voice broadcast is directed to the driver through the first audio module 20, thereby preventing the sound of the navigation voice broadcast from affecting other passengers in the vehicle.

[0061] When the navigation device is an in-vehicle navigation system, the audio control system 10 is connected to the in-vehicle navigation system via a connection module 51 via a wired or wireless transmission method. During navigation, the in-vehicle navigation system emits navigation voice information. The judgment module 52 then determines that the signal originates from the in-vehicle navigation system. After determining the source of the signal, the judgment module 52 sends the result to the decision module 53. Decision module 53 determines a sound output strategy based on the information from the judgment module 52 and then issues a command to the control module 54 to send a control command to the first audio module 20, causing the first audio module 20 to generate sound according to the sound output strategy, thereby providing a targeted navigation voice message to the driver.

[0062] Similarly, when the navigation device is an external navigation device, the audio control system 10 is connected to the in-vehicle navigation system via wireless communication via the connection module 51. During navigation, the external navigation device emits navigation voice information, and the judgment module 52 determines that the signal originates from the external navigation device. After determining the source of the signal, the judgment module 52 sends the result to the decision module 53. Decision module 53 determines a sound output strategy based on the information from the judgment module 52 and then issues a command to the control module 54 to send a control command to the first audio module 20, causing the first audio module 20 to produce sound according to the sound output strategy, thereby providing a targeted navigation voice message to the driver.

[0063] During audio and video playback on the vehicle's audio and video equipment, the audio control system 10 is connected to the vehicle's audio and video equipment via the connection module 51. During the audio and video broadcast, the vehicle's audio and video equipment emits a sound signal, and the judgment module 52 determines that the signal originates from the vehicle's audio and video equipment. After determining the signal's source, the judgment module 52 sends the result to the decision module 53. The decision module 53 determines a sound generation strategy based on the information from the judgment module 52 and then issues a command to the control module 54 to send a control command to the second audio module 30, causing the second audio module 30 to generate sound according to the sound generation strategy, thereby broadcasting the audio and video to the entire vehicle through the vehicle's audio and video equipment.

[0064] In some embodiments of the present application, the first audio module 20 includes a broadcast directional audio module 21 and a warning directional audio module 22. The broadcast directional audio module 21 is used to perform voice broadcasts and call broadcasts. The warning directional audio module 22 is used to provide warning broadcasts for events in specific parts and directions of the vehicle.

[0065] It is understandable that, during the driving process of the vehicle, the road condition information obtained by the navigation device and the navigation instructions issued are broadcasted through the broadcast directional audio module 21, so that the driver can obtain the information and instructions from the navigation device separately and clearly.

[0066] When the vehicle encounters an abnormal situation such as being about to cross a line, being close to an obstacle or a crowd, or being close to adjacent vehicles, the vehicle-mounted warning system will issue an advance warning of the abnormal situation encountered by the vehicle, and send a warning signal to the sound control system 10 through the connection module 51. After the judgment module 52 determines that the source of the signal from the connection module 51 is the vehicle-mounted warning system, the decision module 53 determines the sound strategy based on the information from the judgment module 52, and then sends a control instruction to the warning directional sound module 22 according to the sound strategy through the control module 54, so that the warning directional sound emits a warning sound from the corresponding direction according to the sound strategy, so as to remind the driver in which specific direction the vehicle will encounter an abnormal situation, so that the driver can clearly understand the direction where the vehicle will encounter the abnormality, make correct driving decisions, and improve driving safety.

[0067] In some embodiments of the present application, the announcement directional audio module 21 includes a left announcement directional audio system and a right announcement directional audio system. The left announcement directional audio system is located on the left side of the driver's headrest, and the right announcement directional audio system is located on the right side of the driver's headrest. When the driver is in the driving position, the left announcement directional audio system is directed toward the driver's left ear, and the right announcement directional audio system is directed toward the driver's right ear.

[0068] It is understood that by placing the announcement directional audio modules 21 on either side of the driver's headrest, the announcement directional audio modules 21 are closer to the driver's ears, thereby reducing the sound propagation distance. Shortening the propagation distance of the announcement sound, on the one hand, reduces energy loss during the propagation of the announcement sound and reduces the influence of interference factors on the announcement sound during the propagation process, thereby making the voice broadcast information received by the driver clearer, ensuring that the driver can obtain the voice broadcast information more clearly and completely, and ensuring the safety of the driving process. On the other hand, the short-range propagation allows the announcement directional audio module 21 to transmit the sound clearly and completely to the driver without high power consumption, thereby effectively reducing the power consumption of the announcement directional audio.

[0069] During the voice announcement process through the announcement directional audio module 21, the announcement is made from the left and right sides of the driver through the left and right announcement directional audio, respectively, so that the driver's ears can receive the announcement sound, making the announcement sound received by the driver clearer and more three-dimensional. When there is directional voice announcement information, the left or right announcement directional audio can be used to announce the voice information to the driver from the corresponding direction according to the corresponding direction.

[0070] In some application scenarios of the present application, when the navigation information indicates a left turn, the navigation device transmits the corresponding navigation information to the audio control system 10 via the connection module 51. The judgment module 52 determines that the signal source is the navigation device, and the decision module 53 recognizes that the navigation information indicates a left turn. Based on the information from the judgment module 52, the decision module 53 determines a voice strategy for activating the left-announcement directional speaker. The control module 54 then sends a control instruction to the left-announcement directional speaker based on the voice strategy determined by the decision module 53, causing the left-announcement directional speaker to transmit a voice announcement of the left turn to the driver from the driver's left. This not only provides the driver with the exact direction of the left turn, but also allows the driver to have a more accurate sense of the actual spatial direction. Furthermore, by switching between left-, right-, and bidirectional announcements in real time, the driver receives more diverse information, reducing the risk of mental fatigue and improving driving safety.

[0071] Understandably, some drivers are insensitive to left and right directions, or are prone to confusion about spatial orientation when fatigued, and can misjudge spatial orientation due to external interference. By broadcasting information from the left and right directional speakers, respectively, along with directional voice announcements, the driver can accurately grasp real-time navigation directions, avoid misjudging spatial orientation, and ensure driving safety.

[0072] In some embodiments of the present application, a left audio bracket and a right audio bracket are mounted on either side of the driver's headrest. The left audio bracket is used to mount a left directional audio system, while the right audio bracket is used to mount a right directional audio system. The left audio bracket is provided with a left adjustment device, while the right audio bracket is provided with a right adjustment device. The left adjustment device is used to adjust the broadcast direction of the left directional audio system, while the right adjustment device is used to adjust the broadcast direction of the right directional audio system.

[0073] It can be understood that the broadcast directions of the left broadcast directional audio and the right broadcast directional audio are adjusted respectively by the left adjustment device and the right adjustment device, so that the broadcast direction of the broadcast directional audio module 21 can adapt to drivers of different body shapes and riding habits.

[0074] In some embodiments of the present application, the warning directional sound module 22 includes a right front warning directional sound, a front front warning directional sound, a left front warning directional sound, a front left warning directional sound, a left rear warning directional sound, a front rear warning directional sound, a right rear warning directional sound, and a front right warning directional sound. Among them, the right front warning directional sound is set in the instrument panel area to the right of the steering wheel, the front front warning directional sound is set in the instrument panel area in front of the driver's seat, the left front warning directional sound is set in the instrument panel area to the left of the steering wheel, the front left warning directional sound is set in the door area to the left of the driver's seat, the left rear warning directional sound is set in the left area of ​​the driver's seat, the front rear warning directional sound is set in the center line area of ​​the driver's seat backrest, the right rear warning directional sound is set in the right area of ​​the driver's seat, and the front right warning directional sound is set in the area on the side of the gear console facing the driver.

[0075] It is understood that during driving, obstacles may appear in different directions of the vehicle. The vehicle-mounted warning system can detect obstacles approaching the vehicle, thereby preventing the vehicle from colliding with the obstacle. During the vehicle warning process, the vehicle-mounted warning system transmits the detection result to the sound control system 10 via the connection module 51. The judgment module 52 determines that the signal source is the vehicle-mounted warning system. The decision module 53 recognizes that the signal source is the vehicle-mounted warning system and then, based on the information from the judgment module 52, determines a sound strategy for causing the warning directional sound module 22 to sound. The control module 54 then sends a control instruction to the warning directional sound module 22 based on the sound strategy determined by the decision module 53, causing the warning directional sound module 22 to emit a warning sound from the direction of the obstacle to the driver. The driver can then accurately grasp the obstacle's position relative to the vehicle and its distance from the vehicle based on the warning sound, thereby allowing the driver to predict in advance from which direction the obstacle will collide with the vehicle and take timely and effective actions to avoid the collision, thereby improving driving safety.

[0076] In some application scenarios of the present application, as a vehicle approaches a preceding vehicle, the vehicle-mounted warning system detects the vehicle's position and distance via sensors or image recognition. Based on the recognition result, the system sends information indicating an approaching obstacle to the sound control system 10 via the connection module 51. The judgment module 52 determines whether the signal originates from the vehicle-mounted warning system. The decision module 53 then determines a sounding strategy for sounding the directional front warning sound system based on the information from the judgment module 52. The control module 54 then sends control instructions to the directional front warning sound system based on the sounding strategy, causing the directional front warning sound system to sound a warning to the driver based on the information from the vehicle-mounted warning system. This allows the driver to promptly determine the distance between their vehicle and the preceding vehicle and make appropriate driving decisions, thereby avoiding rear-end collisions and ensuring driving safety.

[0077] Similarly, when a vehicle is meeting, changing lanes, moving, or parking, it will approach an obstacle from different directions. When the onboard warning system detects that the distance between the vehicle and the obstacle reaches the warning threshold, it sends corresponding information to the sound control system 10, causing the warning directional sound module 22 to send a warning sound to the driver from the corresponding direction according to the direction and distance of the obstacle, thereby reducing the risk of collision.

[0078] By controlling parameters such as the volume and frequency of the directional warning sound module 22, the driver can be informed of the distance between the vehicle and the obstacle, further reducing the risk of collision. The sound emission strategy can be configured so that the closer the vehicle is to the obstacle, the louder the warning sound volume and the higher the frequency. When the distance between the vehicle and the obstacle reaches the collision threshold, the warning sound volume reaches maximum, and the intermittent warning sound transitions to a long beep, alerting the driver to an impending collision. By setting the collision threshold, the driver can make early decisions and avoid collisions.

[0079] In some embodiments of the present application, the warning directional sound module 22 includes a right front warning directional sound, a left front warning directional sound, a left rear warning directional sound, and a right rear warning directional sound. The right front warning directional sound is located in the instrument panel area to the right of the steering wheel, the left front warning directional sound is located in the instrument panel area to the left of the steering wheel, the left rear warning directional sound is located in the area to the left of the driver's seat, and the right rear warning directional sound is located in the area to the right of the driver's seat.

[0080] It is understandable that after the decision module 53 determines that the signal source is the vehicle-mounted warning system, it determines the sounding strategy according to the monitoring information from the vehicle-mounted warning system.

[0081] When the vehicle-mounted warning system detects an obstacle approaching in front of the right side of the vehicle, the right front warning directional sound emits an alarm sound towards the driver. When the driver senses the alarm sound coming from the right front, he can judge that an obstacle is approaching in front of the right side of the vehicle; when the vehicle-mounted warning system detects an obstacle approaching in front of the vehicle, the right front warning directional sound and the left front warning directional sound simultaneously emit an alarm sound towards the driver, so that the driver can sense that the sound signal comes from the front, and then the driver can judge that an obstacle is approaching in front of the vehicle; when the vehicle-mounted warning system detects an obstacle approaching in front of the left side of the vehicle, the left front warning directional sound emits an alarm sound towards the driver. When the driver senses the alarm sound coming from the left front, he can judge that the vehicle When the vehicle warning system detects that there are obstacles approaching from the right front and left front of the vehicle, the right front warning directional sounder and the left front warning directional sounder alternately emit alarm sounds in the direction of the driver, so that the driver can perceive the alarm sounds coming from the right front and the left front respectively within a safe time range, thereby allowing the driver to know in time that there are obstacles in the left front and right front of the vehicle; when the vehicle warning system detects that there is an obstacle approaching from the left rear of the vehicle, the left rear warning directional sounder emits an alarm sound towards the driver, and when the driver perceives the alarm sound coming from the left rear, he can judge that there is an obstacle approaching from the left rear of the vehicle; when the vehicle warning system detects that there is an obstacle approaching from the left front of the vehicle, the left front warning directional sounder and the left front warning directional sounder alternately emit alarm sounds in the direction of the driver, so that the driver can perceive the alarm sounds coming from the right front and the left front respectively within a safe time range, thereby allowing the driver to know in time that there are obstacles in the left front and right front of the vehicle; The rear warning directional sound emits an alarm sound towards the driver at the same time, so that the driver can sense that the sound signal comes from the left, and then the driver can judge that there is an obstacle approaching to the left of the vehicle; when the on-board warning system detects that there are obstacles approaching both the left front and left rear of the vehicle, the left front warning directional sound and the left rear warning directional sound alternately emit alarm sounds towards the driver, so that the driver can sense the alarm sounds coming from the left front and left rear respectively within a safe time range, and then the driver can know in time that there are obstacles in the left front and left rear of the vehicle; when the on-board warning system detects that there is an obstacle approaching to the right rear of the vehicle, the right rear warning directional sound emits an alarm sound towards the driver, and when the driver senses that there is an obstacle approaching to the right rear When the sound is heard, it can be judged that there is an obstacle approaching from the right rear of the vehicle; when the on-board warning system detects that there is an obstacle approaching from the rear of the vehicle, the left rear warning directional sounder and the right rear warning directional sounder simultaneously emit alarm sounds in the direction of the driver, so that the driver can sense that the sound signal comes from the rear, and then the driver can judge that there is an obstacle approaching from the rear of the vehicle; when the on-board warning system detects that there are obstacles approaching from both the left and right rear of the vehicle, the left rear warning directional sounder and the right rear warning directional sounder alternately emit alarm sounds in the direction of the driver, so that the driver can perceive the alarm sounds from the left rear and right rear respectively within a safe time range, and thus the driver can know in time that there are obstacles behind the left and right rear of the vehicle;When the vehicle warning system detects an obstacle approaching from the vehicle's immediate right, the right front warning directional sounder and the right rear warning directional sounder simultaneously sound alarms toward the driver, allowing the driver to perceive the sound signals coming from the immediate right, thereby allowing the driver to determine that an obstacle is approaching from the vehicle's immediate right. When the vehicle warning system detects obstacles approaching from both the right front and right rear of the vehicle, the right front warning directional sounder and the right rear warning directional sounder alternately sound alarms toward the driver, allowing the driver to perceive the alarms from the right front and right rear respectively within a safe time frame, thereby allowing the driver to promptly know that there are obstacles in front of and behind the vehicle.

[0082] By emitting both the left and right front warning directional speakers simultaneously, the sound effects of the vehicle directly ahead can be effectively simulated, eliminating the need for additional directional speakers directly in front of the driver's seat. This reduces production costs and facilitates interior vehicle layout. Similarly, by simulating a single channel with two channels, there is no need for additional directional speakers directly to the left, rear, or right of the driver's seat, further reducing production costs and making the vehicle's interior layout more rational.

[0083] In some embodiments of the present application, the number and installation positions of the warning directional sound modules 22 match the number and locations of the warnings provided by the vehicle warning system.

[0084] The directional warning speaker module 22 broadcasts information from the vehicle's warning system, enabling the driver to receive warnings promptly and accurately. This allows the driver to make accurate driving decisions and ensure safe driving. Since drivers typically need to visually gather road information outside the vehicle to ensure safe driving, the warning sound needs to be concise and accurate so that the driver can grasp the warning information promptly and accurately. Therefore, the warning sound is configured as a loud beep, and the relevant parameters of the warning sound are configured to convey more comprehensive warning information. By matching the intermittent frequency and volume of the warning sound with the urgency of the warning information, the driver can determine the urgency of the warning information solely based on the received sound volume or intermittent frequency, without the need for complex semantic comprehension. This ensures quick and accurate information transmission, improves the driver's response speed, and enhances driving safety. By broadcasting warning information at corresponding locations through directional warning speakers at different locations, the driver can more accurately grasp the warning information, making it easier for the driver to make more accurate decisions based on the warning information, thereby improving driving safety.

[0085] The navigation information is broadcasted by the directional audio module 21, allowing the driver to obtain more comprehensive information about driving navigation. Because navigation information is relatively complex, it is necessary to fully and accurately convey the navigation information through voice broadcasting, so that the driver can accurately make driving decisions based on the navigation information, ensuring the accuracy of the vehicle's direction of travel and the safety of the driving process.

[0086] The warning information and navigation information are broadcasted respectively by the warning directional sound module 22 and the broadcast directional sound module 21, so that the driver can distinguish the warning information from the navigation information, reduce the risk of the driver making wrong driving decisions, and ensure driving safety.

[0087] Directional audio can propagate sound in a directional manner and can precisely control the direction and range of sound propagation. Therefore, by providing relevant sound information to the driver's seat through directional audio, the driver can clearly and accurately obtain relevant sound information without disturbing other passengers in the car. In addition, when the driver needs to make a voice call, the directional audio can send the sound information to the driver separately, thereby protecting the driver's privacy. It should be noted that since other passengers in non-driver seats do not need to drive the vehicle, they can easily choose the appropriate voice call method, and the call privacy issue is not obvious. Therefore, there is no need to specially set up directional audio to provide call voice information broadcasting for passengers in non-driver seats, thereby reducing production costs and facilitating the layout of the vehicle interior structure.

[0088] In some embodiments of the present application, the audio control system 10 provided by the present application further includes a third audio module 40 , which is configured to provide sound to each occupant in a non-driving seat.

[0089] A third audio module 40 is installed in each non-driver's seat, allowing each non-driver's seat occupant to receive independent audio information, thereby preventing occupants who do not want to receive audio from the audio system from being disturbed by audio information. Different occupants have different needs during their ride: some require quiet rest, some require music, some require radio, and some require video and audio information. Therefore, the third audio module 40 allows each occupant to independently operate the corresponding audio module, allowing each occupant to customize their audio experience.

[0090] In some embodiments of the present application, the third audio module 40 includes a non-driving position directional audio module, and each non-driving position is configured with a set of non-driving position directional audio modules.

[0091] By installing a non-driving seat directional audio module on the headrest of each non-driving seat, the sound interference between non-driving seats is avoided, improving the experience of the passengers in the car.

[0092] In some embodiments of the present application, the second audio module 30 is provided with a plurality of speakers, each of which is respectively arranged at a different position in the vehicle to achieve multi-channel stereo sound effects.

[0093] By arranging the speakers of the second audio module 30 at different positions in the vehicle, the second audio module 30 can emit sounds from different directions, thereby achieving a three-dimensional sound effect.

[0094] The cooperation between the second audio module 30 and the third audio module 40 makes the sound effects more diverse.

[0095] In some application scenarios of the present application, the sound emitted by the second audio module 30 serves as the background sound of the environment, and the sound emitted by the third audio module 40 serves as the event sound of a specific situation. Thus, through the cooperation between the second audio module 30 and the third audio module 40, the auditory experience of the passengers in the car becomes more real and three-dimensional.

[0096] When playing music through a music player, the audio signal from the music player is separated into background music and vocals by the track separation module. This separated audio signal is then sent to the sound control system 10 via the connection module 51. The judgment module 52 then determines that the audio signal originated from the music player and has undergone track separation. The decision module 53 determines the sound generation strategy based on the information from the judgment module 52. The control module 54 then sends control signals to the second and third sound modules 30 and 40 based on the sound generation strategy, causing them to operate according to the sound generation strategy.

[0097] Background music is played through the second audio module 30, while vocals are played through the third audio module 40, allowing for personalized vocal volume adjustment. If a passenger needs to hear lyrics more clearly, they can use the non-driving seat operation module 6261 located at their seat to increase the volume of the third audio module 40, allowing them to hear the lyrics more clearly. If other passengers prefer not to hear the lyrics, they can also use the non-driving seat operation module 6261 located at their seat to reduce or even turn off the volume of the third audio module 40, allowing only the background music played by the second audio module 30 to be heard. This allows for personalized music experiences for different passengers.

[0098] In some embodiments of the present application, the audio control system 10 provided herein further includes: a driver's seat operation module 61, a non-driver's seat operation module 6261, a voice operation module 63, and a permission allocation module 65. The driver's seat operation module 61 is used by the driver to control the audio control system 10. The non-driver's seat operation module 6261 is used by passengers in non-driver's seats to control their corresponding passenger speakers. The voice operation module 63 is used to control the audio control system 10 via voice. The permission allocation module 65 is used by the driver to allocate operating permissions or to allocate operating permissions according to a preset permission allocation policy.

[0099] The driver operates the sound control system 10 through the driver's seat operation module 61, so that the driver can independently create the sound broadcast mode that best suits him / herself, and then enable the driver to perform driving operations in the sound environment that best suits him / herself, thereby making the driver's driving experience easier, ensuring the accuracy and timeliness of the driver's driving operations, and improving driving safety.

[0100] Passengers in non-driving seats can operate the speakers of their own seats through the non-driving seat operation module 6261, thereby achieving personalized control over the volume of the speakers, opening and closing of the speakers, switching of signal sources, etc., thereby meeting the personalized needs of passengers in different seats and improving the passengers' riding experience.

[0101] Since drivers need to focus most of their attention on driving, frequent audio operations can distract them and lead to traffic accidents. By controlling the audio control system 10 through the voice operation module 63, drivers can operate the audio control system 10 without distracting their attention, thereby improving operational convenience and safety.

[0102] The voice operation module 63 includes a microphone and a voice recognition unit. The microphone is installed on the steering wheel.

[0103] By mounting the microphone on the steering wheel so that it faces the driver, the driver can clearly transmit voice information to the voice operation module 63 even in a noisy environment. When the microphone captures external sounds, the voice recognition unit matches the preset voice matching data to recognize the driver's voice, allowing the driver to operate the sound control system 10 through the voice operation module 63. Other noises do not match the preset voice matching data and thus will not affect the voice operation module 63. This prevents noise from affecting the driver's voice operation, thereby ensuring the reliability and effectiveness of the voice operation.

[0104] The driver can allocate the operating authority of the audio control system 10 through the authority allocation module 65, thereby preventing other passengers in the car from having adverse effects on the driver when operating the audio system, while ensuring that other passengers can effectively operate the audio control system 10 and improving the car experience of other passengers.

[0105] In some application scenarios of the present application, the driver can use the permission allocation module 65 to allocate the video player sound operation permission, music player sound operation permission, radio sound operation permission, and second audio module 30 operation permission to the non-driving seat operation module 6261; and allocate the vehicle warning system sound operation permission, navigation system sound operation permission, and call system sound operation permission to the driving seat operation module 61. In this way, the non-driving seat operation module 6261 is prevented from affecting the voice broadcast of driving instructions, preventing misoperation and ensuring the safety of the driving process.

[0106] In some embodiments of the present application, the authority allocation module 65 includes a selection button and an authority allocation button, and the selection button and the authority allocation button are both set at the thumb position of the steering wheel, and the selection button and the authority allocation button are respectively located on both sides of the steering wheel.

[0107] When the driver is assigning permissions while driving, they can use the thumb of one hand to press the selection button to scroll through different operating permissions. When scrolling to the desired operating permission, they can use the thumb of the other hand to press the permission assignment button to scroll through different operating modules. When scrolling to the desired operating module, they can long-press the permission assignment button to confirm the assignment of the operating permission. During the process of scrolling through the operating permissions or operating modules, the directional audio module 21 can be provided to announce the operating permissions or operating modules, so that the driver knows which operating permission or operating module they are currently scrolling to. In this way, the operating permissions of the audio control system 10 are assigned while minimizing the impact on driving operations, ensuring the safety of the driving process.

[0108] In some application scenarios of the present application, the sound operation authority of the radio is allocated to the non-driving seat operation module 6261.

[0109] The driver presses the selection button with the thumb of one hand. When the voice broadcast is for the radio, the driver stops pressing the selection button and presses the authority allocation button with the thumb of the other hand. When the voice broadcast is for the non-driving seat operation module 6261, the driver long presses the authority allocation button to confirm that the radio sound operation authority is allocated to the non-driving seat operation module 6261.

[0110] In some embodiments of the present application, the audio control system 10 provided by the present application further includes a passenger seat operation module 64 , and the passenger seat operation module 64 is used for the passenger in the passenger seat to assist in operating the audio control system 10 .

[0111] While the vehicle is in motion, the driver needs to focus on driving operations to ensure driving safety. The passenger in the front passenger seat is closest to the driver and the center console, so they can assist the driver with auxiliary group operations. The driver can assign corresponding operating rights to the passenger seat operation module 64 through the authority allocation module 65, allowing the passenger in the front passenger seat to perform auxiliary operations.

[0112] The passenger seat operation module 64 includes a touchscreen operation module and a button operation module. The passenger seat can use these modules to perform auxiliary operations. If other passengers in the vehicle require an operation, the passenger seat can notify the passenger seat of the request, thereby meeting the needs of other passengers in the vehicle.

[0113] In some application scenarios of this application, when the passenger in the front passenger seat needs to assist in operating the navigation system's audio, the driver can assign the navigation system's audio operation authority to the passenger seat operation module 64 through the authority allocation module 65. After the navigation system's audio operation authority is assigned to the passenger seat operation module 64, the navigation system's audio channel is assigned to the directional audio system in the passenger seat, allowing the driver and the passenger in the front passenger seat to hear the navigation information simultaneously. The passenger in the front passenger seat can then control and operate the navigation system's audio. Control and operation of the navigation system's audio includes turning the volume up or down, and reallocating audio authority.

[0114] When other members in the car need to pay attention to the navigation information, they can inform the passenger in the front passenger seat, so that the passenger in the front passenger seat can allocate the sound authority of the navigation system to the corresponding non-driving seat directional audio through the front passenger seat operation module 64, and allocate the navigation system sound channel to the corresponding non-driving seat directional audio, so that the passenger in the non-driving seat can obtain the navigation voice information.

[0115] When the passenger seat operation module 64 obtains the voice operation authority of the navigation system, the passenger in the passenger seat can obtain the voice broadcast of the navigation system, which can assist the driver in observing the road conditions and assist the driver in driving according to the navigation information, reducing the risk of traffic accidents caused by driver negligence and improving driving safety.

[0116] On the other hand, see Figure 2 The present application also provides a sound control method for controlling the sound control system 10 provided in the present application, comprising the following steps:

[0117] S1. Obtain external signal;

[0118] S2. Determine the source of the external signal to obtain a determination result;

[0119] S3. Determine the vocalization strategy based on the judgment result;

[0120] S4, controlling the first sound module 20 and the second sound module 30 according to the sound emission strategy;

[0121] The first audio module 20 is used to provide sound to the driver, and the second audio module 30 is used to provide sound to the entire vehicle.

[0122] It is understood that the external signal is a signal sent by a device other than the audio control system 10 , including a signal sent by the in-vehicle system 70 and a signal sent by the off-vehicle system 80 .

[0123] The in-vehicle system 70 or the off-vehicle system 80 sends a signal to the audio control system 10 via the connection module 51, which then determines the source of the external signal via the determination module 52. The decision module 53 determines the sound strategy based on the information from the determination module 52, and the control module 54 sends control instructions to the first audio module 20 and the second audio module 30 based on the sound strategy, causing the first audio module 20 and the second audio module 30 to play the corresponding sound information according to the sound strategy. This allows the in-vehicle audio system to adopt different sound strategies based on different signal sources, allowing the in-vehicle audio system to meet diverse needs.

[0124] Among them, when the signal source is the driver's call device, sound is provided to the driver through the first audio module 20, so as to facilitate the driver to realize voice calls and protect the driver's privacy; when the signal source is the navigation device, sound is provided to the driver through the first audio module 20, thereby avoiding the navigation voice from interfering with other members in the car; when the signal source is the audio and video equipment, sound is provided to the entire car through the second audio module 30, so that all passengers in the car can feel a good audio-visual experience; when the signal source is the notification system of the road administration or other units, sound is provided to all passengers in the car through the second audio module 30, so that all members in the car can receive external notification information in a timely manner, and then respond accordingly according to the external notification information.

[0125] In this way, the car audio system can meet diverse needs.

[0126] See also Figure 3 ,In some embodiments of the present application, the judgment result includes: the signal source is from at least one of a navigation system, a call system, and a vehicle warning system;

[0127] The first sound module 20 includes a broadcast directional sound module 21 and a warning directional sound module 22;

[0128] The voice strategy includes the following steps:

[0129] S31. Determine the direction and number of signal sources;

[0130] S321: If the number of signal sources is one, send a control instruction to the corresponding audio module according to the direction of the signal source;

[0131] S322: If the number of signal sources is at least two, determine the priorities of the signal sources, and send control instructions to the audio modules corresponding to the signal sources according to the priorities of the signal sources;

[0132] If the signal source is a navigation system, the corresponding sound module includes a directional broadcast sound module 21;

[0133] If the opposite direction of the signal source is a communication system, the corresponding sound module includes a broadcast directional sound module 21;

[0134] If the signal source is a vehicle-mounted warning system, the corresponding sound module includes a warning directional sound module 22 .

[0135] By identifying the information in the judgment module 52, the direction and number of signal sources are determined. If there is only one signal source, a control instruction is sent to the corresponding audio module based on the direction of the signal source, causing the corresponding audio module to play the audio data from the signal source. If there are at least two signal sources, the signal source priority is determined based on the direction of the signal source, and control instructions are sent to the corresponding audio module based on the signal source priority. The audio volume can be controlled based on the priority, and the audio signal with higher priority can also be played first.

[0136] By configuring the priority, the audio control system 10 is prevented from having audio playback confusion, the conflict between different audio signal sources is reduced, and the driver is ensured to clearly and promptly obtain important audio information, thereby ensuring the safety of the driving process.

[0137] In some embodiments of the present application, the priority of the signal source is configured as follows: the priority of the vehicle warning system takes precedence over the priority of the navigation system, and the priority of the navigation system takes precedence over the priority of the call system.

[0138] By enabling the audio control system 10 to give priority to playing the audio signal from the vehicle-mounted warning system, thereby reducing the interference of other sounds on the warning prompt sound of the vehicle-mounted warning system, the driver can obtain the warning prompt sound in a timely and accurate manner, and make driving operation decisions based on the warning prompt sound, thereby reducing the risk of traffic accidents and ensuring safety during driving.

[0139] When a vehicle approaches an obstacle, the risk of a collision increases. If the obstacle reaches the detection range of the vehicle warning system, the vehicle warning system emits a corresponding audio signal, which in turn causes the warning directional audio module 22 to sound, allowing the driver to receive the warning information in a timely manner. If the navigation system also emits an audio signal at this time, which in turn causes the broadcast directional audio module 21 to sound, in this case, because the vehicle warning system has priority over the navigation system, when the audio information of the vehicle warning system and the navigation system is broadcast simultaneously, the volume of the broadcast directional audio module 21 is automatically reduced, and the volume of the warning directional audio module 22 is automatically increased, thereby reducing the interference of the navigation sound with the warning sound.

[0140] Since the vehicle warning system sends out a warning audio signal, indicating that the vehicle is in a relatively emergency state, the driver should not make voice calls with the outside world. The priority of the vehicle warning system should be given priority over the call system, thereby avoiding the driver's attention from making voice calls when the vehicle is in an emergency state, allowing the driver to concentrate on dealing with the emergency situation currently facing the vehicle, thereby improving the safety of the driving process.

[0141] Since the navigation system is mainly used for road navigation and voice calls will distract the driver, the priority of the navigation system is configured to take precedence over the call system, thereby reducing the interference of voice calls on the driving process.

[0142] In some embodiments of the present application, a call priority button is provided on the steering wheel of the driver's seat. When the call priority button is pressed, the priority of the call system is increased.

[0143] Under good road conditions, when a voice call is connected, you can safely press the call priority button to increase the priority of the call system, thereby ensuring the call quality of the driver's voice call under safe conditions.

[0144] On the other hand, the present application also provides a vehicle-mounted audio system, including the audio control system 10 provided in the present application.

[0145] Throughout this specification, references to terms such as "some embodiments," "illustrative embodiments," "examples," "specific examples," or "some examples" indicate that a specific feature, structure, material, or characteristic described in conjunction with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, illustrative uses of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

[0146] Furthermore, the above description is merely a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of the present invention shall be included within the scope of protection of the present invention. Therefore, the scope of protection of the present invention shall be subject to the scope of protection of the claims.

Claims

1. A sound control system, characterized in that: include: a first audio module, the first audio module being configured to provide sound to the driver; a second audio module, the second audio module being used to provide sound to the entire vehicle; a connection module, the connection module being used to connect the audio control system with an onboard system and an off-board system; A judgment module, configured to judge the source of a signal from a connection module; A decision module, configured to determine a vocalization strategy based on the information from the judgment module; a control module configured to send a control instruction to at least one of the first sound module and the second sound module according to the sound emission strategy; The sound strategy is configured as follows: when the signal source is the driver's call device, the first sound module provides sound to the driver; When the signal source is a navigation device, providing sound to the driver through the first audio module; When the signal source is audio and video equipment, the second audio module provides sound to the entire vehicle; When the signal source is a notification system of a road administration or other unit, the second audio module provides sound to all vehicle occupants.

2. The sound control system according to claim 1, characterized in that The first sound module includes a broadcast directional sound module and a warning directional sound module; The broadcast directional audio module is used for voice broadcast and call broadcast; The warning directional sound module is used to broadcast warnings for events in specific parts and directions of the vehicle.

3. The sound control system according to claim 2, characterized in that: The number and installation positions of the warning directional audio modules match the number and positions of the warning locations of the vehicle-mounted warning system.

4. The sound control system according to claim 1, wherein: The vehicle further includes a third audio module configured to provide sound to passengers in non-driving seats.

5. The sound control system according to claim 1, characterized in that: Also includes: A driver's seat operation module, the driver's seat operation module is used for the driver to control the audio control system; A non-driving seat operation module, wherein the non-driving seat operation module is used for a passenger in a non-driving seat to control the corresponding passenger seat speaker; A voice operation module, the voice operation module is used to control the sound control system through voice; The authority allocation module is used to allocate operating authority to the driver or allocate operating authority according to a preset authority allocation strategy.

6. The sound control system according to claim 5, characterized in that: It also includes a passenger seat operation module, which is used for the passenger in the passenger seat to assist in operating the audio control system.

7. A sound control method, characterized in that: Used to control the sound control system according to any one of claims 1 to 6, comprising the following steps: Get external signals; Determining a signal source of the external signal to obtain a determination result; determining a vocalization strategy according to the judgment result; controlling the first sound module and the second sound module according to the sound emission strategy; The first sound module is used to provide sound to the driver, and the second sound module is used to provide sound to the entire vehicle.

8. The sound control method according to claim 7, wherein: The judgment result includes: the signal source is from at least one of a navigation system, a call system, and a vehicle warning system; The first sound module includes a broadcast directional sound module and a warning directional sound module; The vocalization strategy includes the following steps: Determine the direction and number of signal sources; If the number of the signal source is one, sending a control instruction to the corresponding audio module according to the direction of the signal source; If the number of the signal sources is at least two, determining the priorities of the signal sources, and sending control instructions to the audio modules corresponding to the directions of the signal sources respectively according to the priorities of the signal sources; Wherein, if the direction of the signal source is a navigation system, the corresponding sound module includes a broadcast directional sound module; If the signal source is a communication system, the corresponding sound module includes a broadcast directional sound module; If the signal source is directed towards a vehicle-mounted warning system, the corresponding sound module includes a warning directional sound module.

9. The sound control method according to claim 8, wherein: The priority configuration of the signal sources is: the priority of the vehicle warning system takes precedence over the priority of the navigation system, and the priority of the navigation system takes precedence over the priority of the communication system.

10. A car audio system, characterized in that: The method comprises the sound control system according to any one of claims 1 to 6.

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