WO2023070791A1

WO2023070791A1 - Volume compensation optimization method and apparatus, electronic device, and readable storage medium

Info

Publication number: WO2023070791A1
Application number: PCT/CN2021/132596
Authority: WO
Inventors: 杨华泽; 赵江涛; 张文松
Original assignee: 歌尔科技有限公司
Priority date: 2021-10-29
Filing date: 2021-11-24
Publication date: 2023-05-04
Also published as: CN114063964A

Abstract

A volume compensation optimization method and apparatus, an electronic device, and a readable storage medium, which are applied to an intelligent camera. The volume compensation optimization method comprises: detecting an actual distance between the intelligent camera and a target to be detected, and obtaining a current sound pressure level of a sound system in the intelligent camera; determining a volume compensation value according to the current sound pressure level and the actual distance; and performing volume compensation on a sound system in the intelligent camera according to the volume compensation value. The technical problem in the prior art that the sound system of the intelligent camera is poor in listening effect is solved.

Description

Volume compensation optimization method, device, electronic device and readable storage medium

This application claims the priority of the Chinese patent application submitted to the China Patent Office on October 29, 2021, with the application number 202111277317.6, and the title of the invention is "Volume Compensation Optimization Method, Device, Electronic Equipment, and Readable Storage Medium", the entire content of which Incorporated in this application by reference.

technical field

The present application relates to the technical field of sound processing, and in particular to a volume compensation optimization method, device, electronic equipment and readable storage medium.

Background technique

With the rapid development of science and technology, more and more smart products are applied to the home environment. At present, a sound system is usually installed on a smart camera. The sound system includes a microphone and a speaker, which can realize calls between families. When the user's smart phone is closer to the camera, the listening sound is usually louder, and when the user is farther away from the smart camera, the listening sound is usually lower, that is, the sound system of the smart camera has poor listening effect.

Contents of the invention

The main purpose of this application is to provide a volume compensation optimization method, device, electronic equipment and readable storage medium, aiming to solve the technical problem of poor listening effect of the sound system of the smart camera in the prior art.

In order to achieve the above purpose, the present application provides a volume compensation optimization method, which is applied to a smart camera, and the volume compensation optimization method includes:

Detecting the actual distance between the smart camera and the target to be detected, and obtaining the current sound pressure level of the sound system in the smart camera;

determining a volume compensation value according to the current sound pressure level and the actual distance;

Perform volume compensation on the sound system in the smart camera according to the volume compensation value.

Optionally, the step of determining the volume compensation value according to the current sound pressure level and the actual distance includes:

Obtaining a preset appropriate distance corresponding to the current sound pressure level;

judging whether the preset appropriate distance matches the actual distance;

If the preset appropriate distance does not match the actual distance, then determine a volume compensation value according to the current sound pressure level and the actual distance;

If the preset appropriate distance matches the actual distance, no volume compensation is performed on the sound system in the smart camera.

determining an appropriate sound pressure level at the actual distance according to the mapping relationship between the sound pressure level and the distance;

calculating a difference between the current sound pressure level and the appropriate sound pressure level to obtain a sound pressure level difference;

The volume compensation value is calculated according to the sound pressure level difference.

Optionally, the step of calculating the volume compensation value according to the sound pressure level difference includes:

judging whether the sound pressure level difference is less than a preset sound pressure level threshold;

If the sound pressure level difference is not less than the preset sound pressure level threshold, calculating a ratio between the sound pressure level difference and the preset sound pressure level threshold to obtain the volume compensation value;

If the sound pressure level difference is smaller than the preset sound pressure level threshold, no volume compensation is performed on the sound system in the smart camera.

Optionally, the step of determining the appropriate sound pressure level at the actual distance according to the mapping relationship between the sound pressure level and the distance includes:

Querying the preset sound pressure level corresponding to the actual distance according to the mapping relationship between the sound pressure level and the distance;

Detecting the current human body posture of the target to be detected by the smart camera, and determining the sound pressure level compensation according to the current human body posture;

The appropriate sound pressure level is determined according to the sound pressure level compensation and the preset sound pressure level.

Optionally, the step of detecting the actual distance between the smart camera and the target to be detected includes:

Measuring the distance between the smart camera and the target to be detected by the infrared device on the smart camera to obtain the measured distance;

Detecting the current human body posture of the target to be detected by the smart camera, and determining a distance compensation value according to the current human body posture;

The actual distance is calculated according to the distance compensation value and the measured distance.

Optionally, the step of detecting the current human body posture of the target to be detected through the smart camera includes:

Obtaining an image captured by the smart camera of the target to be detected;

Classifying the captured images according to a preset image classification model to obtain image classification labels;

Determine the current human body pose according to the image classification labels.

The present application also provides a volume compensation optimization device, the volume compensation optimization device is applied to a smart camera, and the volume compensation optimization device includes:

A detection and acquisition module, configured to detect the actual distance between the smart camera and the target to be detected, and acquire the current sound pressure level of the sound system in the smart camera;

A compensation determination module, configured to determine a volume compensation value according to the current sound pressure level and the actual distance;

The volume compensation module is configured to perform volume compensation on the sound system in the smart camera according to the volume compensation value.

Optionally, the compensation determination module is also used for:

judging whether the preset appropriate distance matches the actual distance;

Optionally, the compensation determination module is also used for:

Optionally, the detection and acquisition module is also used for:

Obtaining an image captured by the smart camera of the target to be detected;

The present application also provides an electronic device, which includes: a memory, a processor, and a program of the volume compensation optimization method stored on the memory and operable on the processor, the volume compensation optimization When the program of the method is executed by the processor, the steps of the above volume compensation optimization method can be realized.

The present application also provides a readable storage medium, the readable storage medium is a computer-readable storage medium, and the computer-readable storage medium stores a program for realizing the volume compensation optimization method, and the program for the volume compensation optimization method When executed by the processor, the steps of the volume compensation optimization method as described above are realized.

The present application also provides a computer program product, including a computer program, and when the computer program is executed by a processor, the steps of the volume compensation optimization method described above are implemented.

The present application provides a volume compensation optimization method, device, electronic equipment, and readable storage medium, that is, detecting the actual distance between the smart camera and the target to be detected, and obtaining the sound system in the smart camera The current sound pressure level, and then determine the volume compensation value according to the current sound pressure level and the actual distance, so that the volume compensation value required for the current volume can be determined according to the current volume and the actual distance, and then according to the volume compensation value , performing volume compensation on the sound system in the smart camera, realizing the purpose of volume compensation for the current sound pressure level emitted by the sound system in the smart camera according to the actual distance between the target to be detected and the smart camera, so that the smart camera The sound from the sound system in the system matches the actual distance, which can give a better listening effect to the target to be detected. It overcomes the fact that when the user's smart phone is closer to the camera, the listening sound is usually louder, and when the user is farther away from the smart camera, the listening sound is usually louder. When listening to the sound at a distance, there are usually minor technical defects, so the listening effect of the sound system of the smart camera is improved.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description are only The accompanying drawings are a part of this application. For those skilled in the art, other drawings can be obtained according to the provided drawings without creative work.

Fig. 1 is a schematic flow chart of the first embodiment of the volume compensation optimization method of the present application;

FIG. 2 is a schematic flow chart of the second embodiment of the volume compensation optimization method of the present application;

FIG. 3 is a schematic diagram of a device structure of a hardware operating environment involved in a volume compensation optimization method in an embodiment of the present application.

Detailed ways

The following will describe the technical solutions in the embodiments of the application with reference to the drawings in the embodiments of the application. Apparently, the described embodiments are only some of the embodiments of the application, not all of them. Based on the embodiments in this application, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of this application.

Embodiment one

The embodiment of the present application provides a volume compensation optimization method. In the first embodiment of the volume compensation optimization method of the present application, referring to FIG. 1, the volume compensation optimization method includes:

Step S10, detecting the actual distance between the smart camera and the target to be detected, and obtaining the current sound pressure level of the sound system in the smart camera;

In this embodiment, it should be noted that the volume compensation optimization method is applied to a smart camera, and the smart camera is equipped with a sound system, and the sound system includes a loudspeaker and a microphone, and is used to realize calls of the smart camera in different monitoring areas . For example, in a family home, a call can be made between a room on the first floor monitored by a smart camera and a room on the second floor.

The current sound pressure level is the sound pressure level of the sound emitted by the current sound system, wherein the sound pressure level is a parameter describing the volume, and the unit is decibel. The target to be detected is a target person served by the sound system in the smart camera.

Detect the actual distance between the smart camera and the target to be detected, and obtain the current sound pressure level of the sound system in the smart camera, specifically, detect the distance between the smart camera and the target to be detected through the infrared device on the smart camera The actual distance between the targets, and obtain the current sound pressure level of the sound system in the smart camera.

Wherein, the step of detecting the actual distance between the smart camera and the target to be detected further includes:

The target to be detected is photographed by the smart camera to obtain a captured image, and the actual distance between the smart camera and the target to be detected is detected through the captured image and the focal length of the smart camera.

Step S20, determining a volume compensation value according to the current sound pressure level and the actual distance;

In this embodiment, the volume compensation value is determined according to the current sound pressure level and the actual distance, specifically, the target sound pressure level corresponding to the actual distance is queried according to the mapping relationship between the sound pressure level and the distance , and then determine the volume compensation value according to the difference between the current sound pressure level and the target sound pressure level.

Wherein, the step of determining the volume compensation value according to the current sound pressure level and the actual distance includes:

Step S21, obtaining a preset appropriate distance corresponding to the current sound pressure level;

In this embodiment, the preset appropriate distance corresponding to the current sound pressure level is obtained, specifically, according to the mapping relationship between the sound pressure level and the distance, the preset appropriate distance corresponding to the current sound pressure level is queried, wherein It should be noted that, in the embodiment of the present application, the sound test is performed on the smart camera in advance, and the mapping relationship between the sound pressure level and the distance corresponding to the sound system in the smart camera is determined.

Step S22, judging whether the preset appropriate distance matches the actual distance;

In this embodiment, judging whether the preset appropriate distance matches the actual distance, specifically, judging whether the difference between the preset appropriate distance and the actual matrix is within a preset error range, If the difference between the preset appropriate distance and the actual matrix is within a preset error range, it is determined that the preset appropriate distance matches the actual distance; if the preset appropriate distance and the If the difference between the actual matrices is not within the preset error range, it is determined that the preset appropriate distance does not match the actual distance.

Step S23, if the preset appropriate distance does not match the actual distance, then determine a volume compensation value according to the current sound pressure level and the actual distance;

Step S24, if the preset proper distance matches the actual distance, no volume compensation is performed on the sound system in the smart camera.

In this embodiment, specifically, if the preset appropriate distance does not match the actual distance, the appropriate sound pressure level corresponding to the actual distance is queried according to the mapping relationship between the sound pressure level and the distance, and then Determine the volume compensation value according to the difference between the current sound pressure level and the appropriate sound pressure level; if the preset appropriate distance matches the actual distance, then do not adjust the sound system in the smart camera. Volume compensation.

Step A10, determining an appropriate sound pressure level at the actual distance according to the mapping relationship between the sound pressure level and the distance;

In this embodiment, specifically, according to the mapping relationship between the sound pressure level and the distance, the preset sound pressure level corresponding to the actual distance is queried, and the preset sound pressure level is used as an appropriate sound pressure level.

Wherein, the step of determining the appropriate sound pressure level at the actual distance according to the mapping relationship between the sound pressure level and the distance includes:

Step A11, according to the mapping relationship between the sound pressure level and the distance, query the preset sound pressure level corresponding to the actual distance;

Step A12, using the smart camera to detect the current human body posture of the target to be detected, and determine the sound pressure level compensation according to the current human body posture;

Step A13, determining the appropriate sound pressure level according to the sound pressure level compensation and the preset sound pressure level.

In this embodiment, it should be noted that since the ear of the person is listening to the sound, and the actual distance measured by infrared rays is the distance from the closest point to the camera on the target to be detected to the smart camera, so when the target to be detected is in Different human postures will affect the determination of the appropriate sound pressure level. The preset sound pressure level is an appropriate sound pressure level corresponding to the actual distance under the standard human body posture, wherein, the standard human body posture can be set as a standing posture, and then other human body postures are non-standard human body postures, such as the head facing the smart camera The flat lying posture, the flat lying posture with the head away from the smart camera, and the squatting posture.

Specifically, according to the mapping relationship between the sound pressure level and the distance, query the preset sound pressure level corresponding to the actual distance under the standard human body posture; detect the current human body posture of the target to be detected by the smart camera , according to the mapping relationship between the current human body posture and the volume compensation value, query the sound pressure level compensation corresponding to the current human body posture; according to the sound pressure level compensation and the preset sound pressure level, determine the appropriate sound pressure level. Therefore, the purpose of determining the appropriate sound pressure level of the target to be detected at the actual distance based on the current human body posture of the target to be detected is achieved, and the accuracy of determining the appropriate sound pressure level of the target to be detected at the actual distance is improved. In turn, the accuracy of volume compensation is improved.

Wherein, the sound pressure level compensation may be a specific sound pressure level compensation value, or a specific sound pressure level compensation coefficient, and the determination of the sound pressure level compensation based on the sound pressure level compensation and the preset sound pressure level Steps for proper sound pressure level include:

When the sound pressure level compensation is a sound pressure level compensation value, summing the sound pressure level compensation and the preset sound pressure level to obtain a suitable sound pressure level.

When the sound pressure level compensation is a sound pressure level compensation coefficient, the product of the sound pressure level compensation and the preset sound pressure level is calculated to obtain a suitable sound pressure level.

Step A20, calculating the difference between the current sound pressure level and the appropriate sound pressure level to obtain a sound pressure level difference;

Step A30, calculating the volume compensation value according to the sound pressure level difference.

In this embodiment, specifically, the difference between the current sound pressure level and the appropriate sound pressure level is calculated to obtain a sound pressure level difference, and the difference between the sound pressure level difference and the preset sound pressure level is calculated The ratio between the thresholds is used to obtain a volume compensation value, wherein the preset sound pressure level threshold is a sound pressure level change value corresponding to a preset volume change of one division.

Wherein, the step of calculating the volume compensation value according to the sound pressure level difference includes:

Step A31, judging whether the sound pressure level difference is smaller than a preset sound pressure level threshold;

Step A32, if the sound pressure level difference is not less than the preset sound pressure level threshold, calculate the ratio between the sound pressure level difference and the preset sound pressure level threshold to obtain the volume compensation value;

Step A33, if the sound pressure level difference is smaller than the preset sound pressure level threshold, then no volume compensation is performed on the sound system in the smart camera.

In this embodiment, specifically, it is judged whether the sound pressure level difference is less than a preset sound pressure level threshold, and if the sound pressure level difference is not less than the preset sound pressure level threshold, it is proved that the sound pressure level difference The pressure level difference is not less than the sound pressure level change value required to change the volume by one bar, and then calculate the ratio between the sound pressure level difference and the preset sound pressure level threshold to obtain the volume compensation value; if If the sound pressure level difference is less than the preset sound pressure level threshold, it proves that the sound pressure level difference is less than the sound pressure level change value required to change the volume by one step, and there is no need to analyze the sound in the smart camera. The system performs volume compensation.

Step S30, performing volume compensation on the sound system in the smart camera according to the volume compensation value.

In this embodiment, specifically, the volume compensation value is compensated to the microphone and speaker of the sound system in the smart camera.

The embodiment of the present application provides a volume compensation optimization method, device, electronic equipment, and readable storage medium, that is, detecting the actual distance between the smart camera and the target to be detected, and acquiring the sound in the smart camera The current sound pressure level of the system, and then determine the volume compensation value according to the current sound pressure level and the actual distance, so that the volume compensation value required for the current volume can be determined according to the current volume and the actual distance, and then according to the volume The compensation value is to perform volume compensation on the sound system in the smart camera, so as to realize the purpose of volume compensation for the current sound pressure level emitted by the sound system in the smart camera according to the actual distance between the target to be detected and the smart camera, so that The sound from the sound system in the smart camera matches the actual distance, which can give a better listening effect to the target to be detected. When the camera is far away, the listening sound is usually less technically flawed, so the listening effect of the sound system of the smart camera is improved.

Embodiment two

Further, referring to FIG. 2 , based on the first embodiment of the present application, in another embodiment of the present application, for the same or similar content as the first embodiment above, reference may be made to the introduction above, and details will not be repeated hereafter. On this basis, the step of detecting the actual distance between the smart camera and the target to be detected includes:

Step S11, using the infrared device on the smart camera to measure the distance between the smart camera and the target to be detected to obtain the measured distance;

In this embodiment, the infrared device on the smart camera emits infrared rays to the target to be detected, and receives the reflected infrared rays of the target to be detected, and then determines the time interval between the infrared device emitting infrared rays and receiving the infrared rays reflected by the target to be detected, according to In the time interval, the distance between the smart camera and the target to be detected is calculated to obtain a measurement distance.

Step S12, using the smart camera to detect the current human body posture of the target to be detected, and determine a distance compensation value according to the current human body posture;

In this embodiment, it should be noted that since it is the ear of the person who listens to the sound, the actual distance measured by infrared rays is the distance from the point closest to the camera on the target to be detected to the smart camera, and then directly according to the distance measured by the infrared device There will be a certain error in the volume compensation based on the distance.

Detect the current human body posture of the target to be detected by the smart camera, and determine the distance compensation value according to the current human body posture, specifically, detect the current human body posture of the target to be detected by the smart camera, if the If the current human body posture is consistent with the standard human body posture, the measured distance is directly used as the actual distance; if the current human body posture is inconsistent with the standard human body posture, the current human body posture is queried according to the mapping relationship between the human body posture and distance compensation. The distance compensation value corresponding to the posture, where the standard human posture is the human body posture whose head is not far away from the camera, for example, standing posture or lying posture with the head facing the camera, etc., and the non-standard human posture is the human body whose head is far away from the camera Posture, such as lying flat with the head away from the camera.

Wherein, the step of detecting the current human body posture of the target to be detected by the smart camera includes:

Step S121, acquiring an image captured by the smart camera of the target to be detected;

In this embodiment, the target to be detected is photographed by the smart camera to obtain a photographed image.

Step S122, classifying the captured images according to the preset image classification model to obtain image classification labels;

In this embodiment, it should be noted that the preset image classification model is a machine learning model for classifying human pose images, and the preset image classification model may be a convolutional neural network model. The preset image classification model may be a multi-classification model.

Step S123: Determine the current human body pose according to the image classification labels.

In this embodiment, according to the preset image classification model, feature extraction is performed on the pixel matrix corresponding to the captured image to obtain the features of the captured image, so that the features of the captured image are fully connected to obtain an image classification label; The human body pose corresponding to the image classification label is taken as the current human body pose.

Step A13, calculating the actual distance according to the distance compensation value and the measured distance.

In this embodiment, it should be noted that the distance compensation value may be a specific distance value or a compensation coefficient.

Calculate the actual distance according to the distance compensation value and the measurement distance, specifically, sum the distance compensation value and the measurement distance to obtain the actual distance; or calculate the distance compensation value and the measurement distance The measurement matrix is quadratured to obtain the actual distance.

The embodiment of the present application provides the purpose of measuring the actual distance between the target to be detected and the smart camera according to the posture of the human body, and the distance between the smart camera and the target to be detected is measured by the infrared device on the smart camera, Obtain the measurement distance; detect the current human body posture of the target to be detected by the smart camera, determine a distance compensation value according to the current human body posture; calculate the actual distance according to the distance compensation value and the measurement distance. Among them, considering that the human ear listens to the sound, by detecting the human body posture of the target to be detected, the distance measured by the infrared device is compensated, so the accuracy of measuring the distance between the target to be detected and the smart camera is improved, and the The human body posture is related to the distance measurement error for volume compensation, so the accuracy of volume compensation is improved.

Embodiment Three

The embodiment of the present application also provides a volume compensation optimization device, the volume compensation optimization device is applied to a smart camera, and the volume compensation optimization device includes:

Optionally, the compensation determination module is also used for:

judging whether the preset appropriate distance matches the actual distance;

If the preset suitable distance does not match the actual distance, then determine the volume compensation value according to the current sound pressure level and the actual distance;

Optionally, the compensation determination module is also used for:

Optionally, the detection and acquisition module is also used for:

Obtaining an image captured by the smart camera of the target to be detected;

The volume compensation optimization device provided by the present invention adopts the volume compensation optimization method in the above-mentioned embodiment 1 or embodiment 2, and solves the technical problem of poor listening effect of the sound system of the smart camera. Compared with the prior art, the beneficial effect of the volume compensation optimization device provided by the embodiment of the present invention is the same as that of the volume compensation optimization method provided by the above embodiment, and other technical features of the volume compensation optimization device are the same as those of the above embodiment The disclosed features of the methods are the same and will not be repeated here.

Embodiment five

An embodiment of the present invention provides an electronic device. The electronic device includes: at least one processor; and a memory connected to the at least one processor in communication; wherein, the memory stores instructions that can be executed by at least one processor, and the instructions are executed by at least one processor. The processor executes, so that at least one processor can execute the volume compensation optimization method in the first embodiment above.

Referring now to FIG. 3 , it shows a schematic structural diagram of an electronic device suitable for implementing an embodiment of the present disclosure. The electronic equipment in the embodiment of the present disclosure may include but not limited to such as mobile phone, notebook computer, digital broadcast receiver, PDA (personal digital assistant), PAD (tablet computer), PMP (portable multimedia player), vehicle terminal (such as mobile terminals such as car navigation terminals) and fixed terminals such as digital TVs, desktop computers and the like. The electronic device shown in FIG. 3 is only an example, and should not limit the functions and scope of use of the embodiments of the present disclosure.

As shown in FIG. 3, an electronic device may include a processing device (such as a central processing unit, a graphics processing unit, etc.), which may be loaded into a random access memory (RAM) according to a program stored in a read-only memory (ROM) or from a storage device Various appropriate actions and processing are performed by the programs in the program. In RAM, various programs and data necessary for the operation of electronic equipment are also stored. The processing means, ROM, and RAM are connected to each other via a bus. Input/output (I/O) interfaces are also connected to the bus.

Typically, the following systems can be connected to the I/O interface: input devices including, for example, touch screens, touchpads, keyboards, mice, image sensors, microphones, accelerometers, gyroscopes, etc.; including, for example, liquid crystal displays (LCDs), speakers, vibrators output devices such as; storage devices including, for example, magnetic tapes, hard disks, etc.; and communication devices. A communication device may allow an electronic device to communicate with other devices wirelessly or by wire to exchange data. While an electronic device is shown with various systems in the figures, it should be understood that implementing or having all of the systems shown is not a requirement. More or fewer systems may alternatively be implemented or provided.

In particular, according to an embodiment of the present disclosure, the processes described above with reference to the flowcharts can be implemented as computer software programs. For example, embodiments of the present disclosure include a computer program product, which includes a computer program carried on a computer-readable medium, where the computer program includes program codes for executing the methods shown in the flowcharts. In such an embodiment, the computer program may be downloaded and installed from a network via communication means, or installed from a storage means, or installed from a ROM. When the computer program is executed by the processing device, the above-mentioned functions defined in the methods of the embodiments of the present disclosure are executed.

The electronic equipment provided by the present invention solves the technical problem of poor listening effect of the sound system of the smart camera by adopting the volume compensation optimization method in the first or second embodiment above. Compared with the prior art, the beneficial effect of the electronic device provided by the embodiment of the present invention is the same as that of the volume compensation optimization method provided by the first embodiment above, and other technical features of the electronic device are the same as those disclosed by the method of the above embodiment The features are the same, and will not be repeated here.

It should be understood that various parts of the present disclosure may be implemented in hardware, software, firmware or a combination thereof. In the description of the above embodiments, specific features, structures, materials or characteristics may be combined in any one or more embodiments or examples in an appropriate manner.

The above is only a specific embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Anyone skilled in the art can easily think of changes or substitutions within the technical scope disclosed in the present invention. Should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention should be determined by the protection scope of the claims.

Embodiment six

This embodiment provides a computer-readable storage medium, which has computer-readable program instructions stored thereon, and the computer-readable program instructions are used to execute the volume compensation optimization method in the first embodiment above.

The computer-readable storage medium provided by the embodiments of the present invention may be, for example, a USB flash drive, but is not limited to an electrical, magnetic, optical, electromagnetic, infrared, or semiconductor system, system, or device, or any combination thereof. More specific examples of computer-readable storage media may include, but are not limited to, electrical connections with one or more wires, portable computer diskettes, hard disks, random access memory (RAM), read-only memory (ROM), erasable Programmable read-only memory (EPROM or flash memory), optical fiber, portable compact disk read-only memory (CD-ROM), optical storage device, magnetic storage device, or any suitable combination of the above. In this embodiment, a computer-readable storage medium may be any tangible medium containing or storing a program, and the program may be used by or in conjunction with an instruction execution system, system, or device. Program code embodied on a computer readable storage medium may be transmitted by any appropriate medium, including but not limited to: wires, optical cables, RF (radio frequency), etc., or any suitable combination of the above.

The above-mentioned computer-readable storage medium may be included in the electronic device, or may exist independently without being incorporated into the electronic device.

The above-mentioned computer-readable storage medium carries one or more programs, and when the above-mentioned one or more programs are executed by the electronic device, the electronic device: detects the actual distance between the smart camera and the target to be detected, and acquires the The current sound pressure level of the sound system in the smart camera; determine the volume compensation value according to the current sound pressure level and the actual distance; perform volume compensation on the sound system in the smart camera according to the volume compensation value.

Computer program code for carrying out the operations of the present disclosure can be written in one or more programming languages, or combinations thereof, including object-oriented programming languages—such as Java, Smalltalk, C++, and conventional Procedural Programming Language - such as "C" or a similar programming language. The program code may execute entirely on the user's computer, partly on the user's computer, as a stand-alone software package, partly on the user's computer and partly on a remote computer or entirely on the remote computer or server. In cases involving a remote computer, the remote computer can be connected to the user computer through any kind of network, including a local area network (LAN) or a wide area network (WAN), or it can be connected to an external computer (such as through an Internet service provider). Internet connection).

The flowchart and block diagrams in the Figures illustrate the architecture, functionality, and operation of possible implementations of systems, methods and computer program products according to various embodiments of the present invention. In this regard, each block in a flowchart or block diagram may represent a module, program segment, or portion of code that contains one or more logical functions for implementing specified executable instructions. It should also be noted that, in some alternative implementations, the functions noted in the block may occur out of the order noted in the figures. For example, two blocks shown in succession may, in fact, be executed substantially concurrently, or they may sometimes be executed in the reverse order, depending upon the functionality involved. It should also be noted that each block of the block diagrams and/or flowchart illustrations, and combinations of blocks in the block diagrams and/or flowchart illustrations, can be implemented by a dedicated hardware-based system that performs the specified functions or operations , or may be implemented by a combination of dedicated hardware and computer instructions.

The modules involved in the embodiments described in the present disclosure may be implemented by software or by hardware. Wherein, the name of the module does not constitute a limitation of the unit itself under certain circumstances.

The computer-readable storage medium provided by the present invention stores computer-readable program instructions for executing the above volume compensation optimization method, which solves the technical problem of poor listening effect of the sound system of the smart camera. Compared with the prior art, the beneficial effect of the computer-readable storage medium provided by the embodiment of the present invention is the same as the beneficial effect of the volume compensation optimization method provided by the above-mentioned embodiment 1 or embodiment 2, which will not be repeated here.

Embodiment seven

The computer program product provided by the application solves the technical problem of poor listening effect of the sound system of the smart camera. Compared with the prior art, the beneficial effect of the computer program product provided by the embodiment of the present invention is the same as the beneficial effect of the volume compensation optimization method provided by the first or second embodiment above, and will not be repeated here.

The above are only preferred embodiments of the present application, and are not intended to limit the patent scope of the present application. All equivalent structures or equivalent process transformations made by using the description of the application and the accompanying drawings are directly or indirectly used in other related technical fields. , are all included in the patent processing scope of the present application in the same way.

Claims

A volume compensation optimization method, characterized in that it is applied to a smart camera, and the volume compensation optimization method includes:

Detecting the actual distance between the smart camera and the target to be detected, and obtaining the current sound pressure level of the sound system in the smart camera;

determining a volume compensation value according to the current sound pressure level and the actual distance;

Perform volume compensation on the sound system in the smart camera according to the volume compensation value.
The volume compensation optimization method according to claim 1, wherein the step of determining the volume compensation value according to the current sound pressure level and the actual distance comprises:

Obtaining a preset appropriate distance corresponding to the current sound pressure level;

judging whether the preset appropriate distance matches the actual distance;

If the preset appropriate distance does not match the actual distance, then determine a volume compensation value according to the current sound pressure level and the actual distance;

If the preset appropriate distance matches the actual distance, no volume compensation is performed on the sound system in the smart camera.
The volume compensation optimization method according to claim 2, wherein the step of determining the volume compensation value according to the current sound pressure level and the actual distance comprises:

determining an appropriate sound pressure level at the actual distance according to the mapping relationship between the sound pressure level and the distance;

calculating a difference between the current sound pressure level and the appropriate sound pressure level to obtain a sound pressure level difference;

The volume compensation value is calculated according to the sound pressure level difference.
The volume compensation optimization method according to claim 3, wherein the step of calculating the volume compensation value according to the sound pressure level difference comprises:

judging whether the sound pressure level difference is less than a preset sound pressure level threshold;

If the sound pressure level difference is not less than the preset sound pressure level threshold, calculating a ratio between the sound pressure level difference and the preset sound pressure level threshold to obtain the volume compensation value;

If the sound pressure level difference is smaller than the preset sound pressure level threshold, no volume compensation is performed on the sound system in the smart camera.
The volume compensation optimization method according to claim 3, wherein the step of determining the appropriate sound pressure level at the actual distance according to the mapping relationship between the sound pressure level and the distance comprises:

Querying the preset sound pressure level corresponding to the actual distance according to the mapping relationship between the sound pressure level and the distance;

Detecting the current human body posture of the target to be detected by the smart camera, and determining the sound pressure level compensation according to the current human body posture;

The appropriate sound pressure level is determined according to the sound pressure level compensation and the preset sound pressure level.
The volume compensation optimization method according to claim 1, wherein the step of detecting the actual distance between the smart camera and the target to be detected comprises:

Measuring the distance between the smart camera and the target to be detected by the infrared device on the smart camera to obtain the measured distance;

Detecting the current human body posture of the target to be detected by the smart camera, and determining a distance compensation value according to the current human body posture;

The actual distance is calculated according to the distance compensation value and the measured distance.
The volume compensation optimization method according to claim 5 or 6, wherein the step of detecting the current human body posture of the target to be detected by the smart camera comprises:

Obtaining an image captured by the smart camera of the target to be detected;

Classifying the captured images according to a preset image classification model to obtain image classification labels;

Determine the current human body posture according to the image classification labels.
A volume compensation optimization device is characterized in that it is applied to a smart camera, and the volume compensation optimization device includes:

A detection and acquisition module, configured to detect the actual distance between the smart camera and the target to be detected, and obtain the current sound pressure level of the sound system in the smart camera;

A compensation determination module, configured to determine a volume compensation value according to the current sound pressure level and the actual distance;

The volume compensation module is used to perform volume compensation to the sound system in the smart camera according to the volume compensation value.
An electronic device, characterized in that the electronic device comprises:

at least one processor; and,

a memory communicatively coupled to the at least one processor; wherein,

The memory stores instructions executable by the at least one processor, the instructions are executed by the at least one processor, so that the at least one processor can perform any one of claims 1 to 7 The steps of the volume compensation optimization method.
A readable storage medium, characterized in that, the readable storage medium is stored with a program for implementing the volume compensation optimization method, and the program for implementing the volume compensation optimization method is executed by a processor to implement claims 1 to 7. The steps of any one of the volume compensation optimization methods.