CN115460506A - Directional sound transmission method and device - Google Patents
Directional sound transmission method and device Download PDFInfo
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- CN115460506A CN115460506A CN202211077871.4A CN202211077871A CN115460506A CN 115460506 A CN115460506 A CN 115460506A CN 202211077871 A CN202211077871 A CN 202211077871A CN 115460506 A CN115460506 A CN 115460506A
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 70
- 238000000034 method Methods 0.000 title claims abstract description 49
- 238000004590 computer program Methods 0.000 claims description 33
- 238000004364 calculation method Methods 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 5
- 238000010586 diagram Methods 0.000 description 9
- 230000001276 controlling effect Effects 0.000 description 8
- 238000004891 communication Methods 0.000 description 6
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- 210000000056 organ Anatomy 0.000 description 3
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- 210000005069 ears Anatomy 0.000 description 1
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
- H04R1/32—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only
- H04R1/34—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by using a single transducer with sound reflecting, diffracting, directing or guiding means
- H04R1/345—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by using a single transducer with sound reflecting, diffracting, directing or guiding means for loudspeakers
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- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
- G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
- G10K11/18—Methods or devices for transmitting, conducting or directing sound
- G10K11/26—Sound-focusing or directing, e.g. scanning
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Abstract
The invention discloses a directional sound transmission method and a device, wherein the method comprises the following steps: acquiring an angle parameter and a distance parameter of a face of a target user relative to a target loudspeaker; acquiring the face feature parameters of the face of the target user; determining the pointing angle and the sound transmission range angle of the target loudspeaker according to the angle parameter, the distance parameter and the appearance parameter; and adjusting the target loudspeaker to the pointing angle and the sound transmission range angle. The method and the device can solve the problem of low accuracy of voice transmission caused by excessive interference in the voice transmission in a scene with the requirement of speaker sound transmission, and achieve the technical effect of effectively improving the accuracy of the voice transmission.
Description
Technical Field
The invention relates to the technical field of network security, in particular to a directional sound transmission method and a directional sound transmission device.
Background
At present, when a customer transacts business at a counter of a bank, an intelligent teller machine and the like, the customer often needs to listen to voice prompt to operate. The sound emitted by the common voice broadcasting loudspeaker is diffused, which can cause that a user who is handling business can be interfered by other loudspeakers used by other people nearby, the sound content of the loudspeaker used by the user cannot be clearly heard, and also can cause that some private voice contents are heard by people nearby, thereby influencing the privacy and the safety of the user.
In view of the above problems, no effective solution has been proposed.
This section is intended to provide a background or context to the embodiments of the invention that are recited in the claims. The description herein is not admitted to be prior art by inclusion in this section.
Disclosure of Invention
The embodiment of the invention provides a directional sound transmission method, which is used for solving the problem of low accuracy of voice transmission caused by excessive interference in sound transmission in a scene with a loudspeaker sound transmission requirement, and comprises the following steps:
acquiring angle parameters and distance parameters of the face of a target user relative to a target loudspeaker;
acquiring the face feature parameters of the face of the target user;
determining the pointing angle and the sound transmission range angle of a target loudspeaker according to the angle parameter, the distance parameter and the appearance parameter;
and adjusting the target loudspeaker to the pointing angle and the sound transmission range angle.
In a preferred embodiment, the obtaining of the angle parameter and the distance parameter of the face of the target user relative to the target speaker comprises:
controlling a height of a target camera to be the same as a height of the target user's eyes, wherein a relative height between the target camera and the target speaker remains fixed;
controlling the target camera to rotate from a first fixed position to a second position, wherein the second position is a vertical central axis of a shooting range of the target camera, and the face of the target user is located in the vertical central axis;
determining an angle by which the target camera rotates from the first fixed position to the second position;
taking the rotated angle as an angle parameter of the face of the target user relative to the target loudspeaker;
and acquiring the distance between the current lens of the target camera and the face of the target user as a distance parameter of the face of the target user relative to the target loudspeaker.
In a preferred embodiment, the obtaining of the face appearance parameters of the target user includes:
acquiring face characteristic parameters of the target user;
and calculating the distance between the ear of the target user and the vertical center line of the face of the target user through the face characteristic parameters to serve as the appearance parameters.
In a preferred embodiment, determining the direction angle and the sound transmission range angle of the service sound according to the angle parameter, the distance parameter and the feature parameter comprises:
taking the angle parameter as a deflection angle of the loudspeaker;
determining the pointing angle of the target loudspeaker according to the deflection angle;
calculating tangent values of the personal appearance parameters and the distance parameters;
calculating an included angle between the single ear of the target user and the loudspeaker according to the tangent value;
and determining the sound transmission range angle according to the included angle.
In a preferred embodiment, the target speaker is a speaker used by a user on the bank intelligent counter.
The embodiment of the invention also provides a directional sound transmission device, which is used for solving the problems that the sound transmission range of a loudspeaker of a bank counter or an intelligent teller machine is too large, the use of other people is interfered and the safety and the privacy of a user are influenced, and the device comprises:
the shooting module is used for acquiring angle parameters and distance parameters of the face of a target user relative to a target loudspeaker and appearance parameters of the face of the target user;
the calculation module is used for determining the pointing angle and the sound transmission range angle of the target loudspeaker according to the angle parameter, the distance parameter and the appearance parameter;
and the driving module is used for controlling the target camera to rotate to a second position from a first fixed position and adjusting the target loudspeaker to the pointing angle and the sound transmission range angle.
In a preferred embodiment, the driving module comprises:
the first driving unit is used for controlling the target camera to rotate from a first fixed position to a second position;
a second driving unit for adjusting the target speaker to the pointing angle and the sound transmission range angle.
An embodiment of the present invention further provides an electronic device, which includes a memory, a processor, and a computer program stored in the memory and executable on the processor, where the processor executes the computer program to implement the above-mentioned directional sound transmission method.
An embodiment of the present invention further provides a computer-readable storage medium, which stores a computer program, and when the computer program is executed by a processor, the computer program implements the above-mentioned directional microphone transmission method.
An embodiment of the present invention further provides a computer program product, where the computer program product includes a computer program, and when the computer program is executed by a processor, the computer program implements the above directional sound transmission method.
According to the embodiment of the invention, the sound is directionally transmitted to the target user by adjusting the transmission direction of the target loudspeaker, so that the problem of low accuracy of voice transmission caused by excessive interference in sound transmission in a scene with a loudspeaker sound transmission requirement can be solved, and the technical effect of effectively improving the accuracy of sound transmission is achieved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the prior art descriptions will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts. In the drawings:
fig. 1 is a schematic view of a scene of a directional microphone method provided in the present application;
fig. 2 is a flowchart of a method according to an embodiment of the directional microphone method provided in the present application;
fig. 3 is a flowchart of a method for calculating an angle of a directional microphone method provided in the present application;
fig. 4 is a block diagram of a hardware structure of an electronic device of a directional microphone method provided in the present application;
fig. 5 is a block diagram of an embodiment of a directional microphone apparatus provided in the present application.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the embodiments of the present invention are further described in detail below with reference to the accompanying drawings. The exemplary embodiments and descriptions of the present invention are provided to explain the present invention, but not to limit the present invention.
Aiming at the problems that service prompting sounds of different customers are mutually interfered and personal information safety is influenced due to the fact that the sound range played by a loudspeaker of an existing bank counter or an intelligent teller machine is too large, a directional sound transmission method can be introduced in the embodiment, so that the service prompting sounds are only received by a target customer and cannot be heard by others.
The directional microphone scenario provided by this example may be as shown in fig. 1, including: target speaker and target user acquire distance parameter, angle parameter and the transaudient scope angle between target user and the target speaker through the target camera to and user's appearance parameter, adjust the target speaker, thereby make the target speaker can carry out directional transaudient to the target user, promote the accuracy that sound was received.
Based on the above logic, a directional sound transmission method is provided in this example, which can be shown in fig. 2. Although the present application provides the method operation steps or apparatus structures as shown in the following embodiments or figures, more or less operation steps or module units may be included in the method or apparatus based on conventional or non-inventive efforts. In the case of steps or structures which do not logically have the necessary cause and effect relationship, the execution sequence of the steps or the module structure of the apparatus is not limited to the execution sequence or the module structure described in the embodiments and shown in the drawings of the present application. When the described method or module structure is applied in an actual device or end product, the method or module structure according to the embodiments or shown in the drawings can be executed sequentially or executed in parallel (for example, in a parallel processor or multi-thread processing environment, or even in a distributed processing environment).
Specifically, as shown in fig. 2, the directional sound transmission method may include the following steps:
s201: acquiring an angle parameter and a distance parameter of a face of a target user relative to a target loudspeaker;
wherein the target speaker is rotatable about its axis in a horizontal plane to adjust a primary range of sound propagation; the angle parameter refers to an angle through which the target speaker rotates from an initial position to a target position, and the initial position of the target speaker may be directly in front of a bank service counter or an intelligent teller machine.
Specifically, the method for acquiring the angle parameter and the distance parameter of the face of the target user relative to the target loudspeaker comprises the following steps:
step 1: controlling a height of a target camera to be the same as a height of the target user's eyes, wherein a relative height between the target camera and the target speaker remains fixed;
the height of the target camera is controlled to be the same as the height of the eyes of the target user, and the control can be completed manually by a client or automatically by a driver. The relative height between the target camera and the target loudspeaker is kept fixed, and the target loudspeaker can be generally 1cm to 2cm lower than the target camera so as to accord with the natural height difference between eyes and ears of a target user.
And 2, step: controlling the target camera to rotate from a first fixed position to a second position, wherein the second position is a vertical central axis of the face of the target user in the shooting range of the target camera;
the target camera is controlled to rotate to a second position from a first fixed position, the driver drives the target camera to rotate in the horizontal plane, and the second position can be determined by the coincidence of the vertical central axis of the face of the target user and the vertical central axis of the shooting range of the target camera.
And 3, step 3: determining an angle by which the target camera rotates from the first fixed position to the second position;
when the driver drives the target camera to rotate from the first fixed position to the second position, the angle rotated by the target camera can be recorded through the code disc or the angle sensor.
And 4, step 4: taking the rotated angle as an angle parameter of the face of the target user relative to the target loudspeaker;
and 5: and acquiring the distance between the current lens of the target camera and the face of the target user as a distance parameter of the face of the target user relative to the target loudspeaker.
The target camera may be a depth camera to sense a distance between the face of the target user and the target camera.
S202: acquiring the face feature parameters of the face of the target user;
specifically, the method for acquiring the face feature parameters of the target user comprises the following steps:
step 1: acquiring face characteristic parameters of the target user;
the target camera can identify each organ of the face of the target user and calibrate the relative position relation among the organs of the face of the target user.
And 2, step: and calculating the distance between the ear of the target user and the vertical center line of the face of the target user through the face characteristic parameters to serve as the appearance parameters.
After the relative position relation between the organs of the face of the target user is calibrated, the distance between the ear of the target user and the vertical center line of the face of the target user can be determined.
S203: determining the pointing angle and the sound transmission range angle of the target loudspeaker according to the angle parameter, the distance parameter and the appearance parameter;
specifically, the determining of the pointing angle and the sound transmission range angle of the target speaker according to the angle parameter, the distance parameter, and the feature parameter may include the following steps, as shown in fig. 3:
step 301: taking the angle parameter as a deflection angle of the loudspeaker;
step 302: determining the pointing angle of the target loudspeaker according to the deflection angle;
wherein, directional angle is that the target speaker rotates the angle that has rotated to the target location from initial position, directional angle with the target speaker with initial contained angle between the target camera is relevant, directional angle equals deflection angle with the sum of initial contained angle, for the convenience of adjustment the directional angle of target speaker, can with the target speaker with the target camera links firmly, sets for the target speaker with initial contained angle between the target camera is 0 degree, makes the target camera drives the synchronous rotation of target speaker, and makes the target speaker rotate fast extremely directional angle.
Step 303: calculating a tangent value of the personal parameter and the distance parameter;
step 304: calculating an included angle between the single ear of the target user and the loudspeaker according to the tangent value;
wherein the tangent value can be substituted into an arctangent function to calculate the angle of the included angle.
Step 305: and determining the sound transmission range angle according to the included angle.
Wherein the sound transmission range angle is equal to twice the angle of the included angle.
S204: and adjusting the target loudspeaker to the pointing angle and the sound transmission range angle.
And adjusting the volume of the target loudspeaker according to the distance parameter so as to improve the radio effect of the target user. In a specific implementation, after the target speaker is adjusted to the pointing angle and the sound transmission range angle, the method further includes: the distance parameter is obtained, the volume of the target loudspeaker is determined according to the distance parameter, specifically, the volume of the target loudspeaker can be positively correlated with the distance parameter, namely, the farther the distance is, the larger the volume is. For example, the distance is 1 meter, the volume is 50%, the volume increases by 5% for every 0.1 meter increase in distance, and the volume decreases by 5% for every 0.1 meter decrease in distance.
In one embodiment, the method is applied to a bank intelligent counter, and the target loudspeaker is a loudspeaker used by a user on the bank intelligent counter.
The method embodiments provided in the above embodiments of the present application may be executed in a mobile terminal, a computer terminal, or a similar computing device. Taking the example of the method running on an electronic device, fig. 4 is a block diagram of a hardware structure of an electronic device of a directional microphone method provided in the present application. As shown in fig. 4, the electronic device 10 may comprise one or more (only one shown in the figure) processors 02 (the processors 02 may comprise, but are not limited to, a processing means such as a microprocessor MCU or a programmable logic device FPGA), a memory 04 for storing data, and a transmission module 06 for communication functions. It will be understood by those skilled in the art that the structure shown in fig. 4 is only an illustration and is not intended to limit the structure of the electronic device. For example, the electronic device 10 may also include more or fewer components than shown in FIG. 4, or have a different configuration than shown in FIG. 4.
The memory 04 may be configured to store software programs and modules of application software, for example, program instructions/modules corresponding to the short message sending method in the embodiment of the present application, and the processor 02 executes various functional applications and data processing by operating the software programs and modules stored in the memory 04, that is, implements the short message sending method of the application program. The memory 04 may include high speed random access memory, and may also include non-volatile memory, such as one or more magnetic storage devices, flash memory, or other non-volatile solid-state memory. In some examples, the memory 04 may further include memory located remotely from the processor 02, which may be connected to the electronic device 10 over a network. Examples of such networks include, but are not limited to, the internet, intranets, local area networks, mobile communication networks, and combinations thereof.
The transmission module 06 is used for receiving or transmitting data via a network. Specific examples of the network described above may include a wireless network provided by a communication provider of the electronic device 10. In one example, the transmission module 06 includes a Network adapter (NIC) that can be connected to other Network devices through a base station so as to communicate with the internet. In one example, the transmission module 06 may be a Radio Frequency (RF) module, which is used for communicating with the internet in a wireless manner.
At the software level, the directional microphone apparatus may be as shown in fig. 5, and includes:
the shooting module 501 is configured to obtain an angle parameter and a distance parameter of a face of a target user relative to a target speaker, and a feature parameter of the face of the target user;
a calculating module 502, configured to determine a pointing angle and a sound transmission range angle of the target speaker according to the angle parameter, the distance parameter, and the feature parameter;
and a driving module 503, configured to control the target camera to rotate from the first fixed position to the second position, and adjust the target speaker to the pointing angle and the sound transmission range angle.
In one embodiment, the driving module 503 includes:
the first driving unit is used for controlling the target camera to rotate from a first fixed position to a second position;
and the second driving unit is used for adjusting the target loudspeaker to the pointing angle and the sound transmission range angle.
In one embodiment, the shooting module 501 may be specifically configured to control a height of a target camera to be the same as a height of eyes of the target user, where a relative height between the target camera and the target speaker is kept fixed; controlling the target camera to rotate from a first fixed position to a second position, wherein the second position is a vertical central axis of a shooting range of the target camera, and the face of the target user is located in the vertical central axis; determining an angle by which the target camera rotates from the first fixed position to the second position; taking the rotated angle as an angle parameter of the face of the target user relative to the target loudspeaker; and acquiring the distance between the current lens of the target camera and the face of the target user as a distance parameter of the face of the target user relative to the target loudspeaker.
In an embodiment, the shooting module 501 may be further configured to obtain a face feature parameter of the target user; and calculating the distance between the ear of the target user and the vertical center line of the face of the target user through the face characteristic parameters to serve as the appearance parameters.
In an embodiment, the calculating module 502 may be specifically configured to use the angle parameter as a deflection angle of the speaker; determining the pointing angle of the target loudspeaker according to the deflection angle; calculating a tangent value of the personal parameter and the distance parameter; calculating an included angle between the single ear of the target user and the loudspeaker according to the tangent value; and determining the sound transmission range angle according to the included angle.
An embodiment of the present application further provides a specific implementation manner of an electronic device, which is capable of implementing all steps in the directional microphone method in the foregoing embodiment, where the electronic device specifically includes the following contents: a processor (processor), a memory (memory), a communication Interface (Communications Interface), and a bus; the processor, the memory and the communication interface complete mutual communication through the bus; the processor is configured to call a computer program in the memory, and when the processor executes the computer program, the processor implements all the steps in the directional microphone transmission method in the above embodiments, for example, when the processor executes the computer program, the processor implements the following steps:
step 1: acquiring angle parameters and distance parameters of the face of a target user relative to a target loudspeaker;
step 2: acquiring the face feature parameters of the face of the target user;
and step 3: determining the pointing angle and the sound transmission range angle of the target loudspeaker according to the angle parameter, the distance parameter and the appearance parameter;
and 4, step 4: and adjusting the target loudspeaker to the pointing angle and the sound transmission range angle.
Embodiments of the present application further provide a computer-readable storage medium capable of implementing all steps in the directional sound transmission method in the foregoing embodiments, where the computer-readable storage medium stores thereon a computer program, and when the computer program is executed by a processor, the computer program implements all steps of the directional sound transmission method in the foregoing embodiments, for example, when the processor executes the computer program, the processor implements the following steps:
step 1: acquiring angle parameters and distance parameters of the face of a target user relative to a target loudspeaker;
step 2: acquiring the face feature parameters of the face of the target user;
and step 3: determining the pointing angle and the sound transmission range angle of the target loudspeaker according to the angle parameter, the distance parameter and the appearance parameter;
and 4, step 4: and adjusting the target loudspeaker to the pointing angle and the sound transmission range angle.
An embodiment of the present invention further provides a computer program product, which includes a computer program, and when the computer program is executed by a processor, the above directional sound transmission method is implemented.
According to the embodiment of the invention, the service sound of the intelligent counter can be directionally transmitted to the target user through the target loudspeaker, and other people except the target user cannot hear the sound emitted from the target loudspeaker. Compared with the technical scheme that sound emitted by a loudspeaker in the prior art can be transmitted to a large range, the problem that in a scene with loudspeaker sound transmission requirements, sound transmission is low in accuracy caused by excessive interference is solved, and the technical effect of effectively improving the sound transmission accuracy is achieved.
According to the technical scheme, the data acquisition, storage, use, processing and the like meet relevant regulations of national laws and regulations.
As will be appreciated by one skilled in the art, embodiments of the present invention may be provided as a method, system, or computer program product. Accordingly, the present invention may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present invention may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and the like) having computer-usable program code embodied therein.
The present invention is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems), and computer program products according to embodiments of the invention. It will be understood that each flow and/or block of the flowchart illustrations and/or block diagrams, and combinations of flows and/or blocks in the flowchart illustrations and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
The above-mentioned embodiments are provided to further explain the objects, technical solutions and advantages of the present invention in detail, and it should be understood that the above-mentioned embodiments are only examples of the present invention and should not be used to limit the scope of the present invention, and any modifications, equivalents, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (10)
1. A method of directionally transmitting sound, the method comprising:
acquiring an angle parameter and a distance parameter of a face of a target user relative to a target loudspeaker;
acquiring a face feature parameter of the face of the target user;
determining the pointing angle and the sound transmission range angle of the target loudspeaker according to the angle parameter, the distance parameter and the appearance parameter;
and adjusting the target loudspeaker to the pointing angle and the sound transmission range angle.
2. The method of claim 1, wherein obtaining an angle parameter and a distance parameter of the face of the target user relative to the target speaker comprises:
controlling a height of a target camera to be the same as a height of the target user's eyes, wherein a relative height between the target camera and the target speaker remains fixed;
controlling the target camera to rotate from a first fixed position to a second position, wherein the second position is a vertical central axis of a shooting range of the target camera, and the face of the target user is located in the vertical central axis;
determining an angle by which the target camera rotates from the first fixed position to the second position;
taking the rotated angle as an angle parameter of the face of the target user relative to the target loudspeaker;
and acquiring the distance between the current lens of the target camera and the face of the target user as a distance parameter of the face of the target user relative to the target loudspeaker.
3. The method of claim 1, wherein obtaining the feature parameters of the face of the target user comprises:
acquiring face characteristic parameters of the target user;
and calculating the distance between the ear of the target user and the vertical center line of the face of the target user through the face characteristic parameters to serve as the appearance parameters.
4. The method of claim 1, wherein determining a pointing angle and a sound transmission range angle of a service sound according to the angle parameter, the distance parameter and the feature parameter comprises:
taking the angle parameter as a deflection angle of the loudspeaker;
determining the pointing angle of the target loudspeaker according to the deflection angle;
calculating a tangent value of the personal parameter and the distance parameter;
calculating an included angle between the single ear of the target user and the loudspeaker according to the tangent value;
and determining the sound transmission range angle according to the included angle.
5. The method according to any one of claims 1 to 4, wherein the target speaker is a speaker for a user at a bank intelligent counter.
6. A directional sound transmission device, comprising:
the shooting module is used for acquiring angle parameters and distance parameters of the face of a target user relative to a target loudspeaker and appearance parameters of the face of the target user;
the calculation module is used for determining the pointing angle and the sound transmission range angle of the target loudspeaker according to the angle parameter, the distance parameter and the appearance parameter;
and the driving module is used for controlling the target camera to rotate to a second position from a first fixed position and adjusting the target loudspeaker to the pointing angle and the sound transmission range angle.
7. The apparatus of claim 6, wherein the drive module comprises:
the first driving unit is used for controlling the target camera to rotate from a first fixed position to a second position;
and the second driving unit is used for adjusting the target loudspeaker to the pointing angle and the sound transmission range angle.
8. An electronic device comprising a memory, a processor, and a computer program stored on the memory and executable on the processor, wherein the processor implements the directional microphone method of any of claims 1 to 5 when executing the computer program.
9. A computer-readable storage medium, characterized in that the computer-readable storage medium stores a computer program which, when executed by a processor, implements the directional sound transmission method of any one of claims 1 to 5.
10. A computer program product, characterized in that the computer program product comprises a computer program which, when being executed by a processor, implements the directional acoustic transmission method of any one of claims 1 to 5.
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| CN112565879A (en) * | 2020-12-04 | 2021-03-26 | 南京创维平面显示科技有限公司 | Method, device and system for controlling television to sound and readable storage medium |
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| CN105681968A (en) * | 2014-12-08 | 2016-06-15 | 哈曼国际工业有限公司 | Adjusting speakers using facial recognition |
| CN109327763A (en) * | 2018-12-07 | 2019-02-12 | 歌尔科技有限公司 | A kind of sound equipment, play system and play system control method |
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