CN115174291A - Voice equipment control method and system based on microwave radar and storage medium - Google Patents
Voice equipment control method and system based on microwave radar and storage medium Download PDFInfo
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- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
- H04L12/2803—Home automation networks
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Abstract
The application discloses a voice device control method and system based on microwave radar and a storage medium. Wherein the method comprises the following steps: receiving a microwave detection signal, wherein the microwave detection signal is a detection signal obtained by performing microwave scanning on a target area; judging whether the user behavior gesture in the target area is within the range of a preset gesture or not according to the microwave detection signal; and if the user behavior gesture in the target area is within the range of the preset gesture, controlling the voice equipment to operate according to the user behavior gesture in the target area. The problem of among the prior art speech equipment can't be according to user's gesture automatic adjustment play mode is solved, realize the dynamic adjustment of speech equipment volume and play mode, promote user's voice interaction experience.
Description
Technical Field
The invention relates to the technical field of microwave radars, in particular to a voice device control method and system based on a microwave radar and a storage medium.
Background
At present, when a user uses a voice device, an operation instruction is usually issued to the voice device for the user, and the voice device changes a voice playing mode according to the operation instruction issued by the user, so that the voice device cannot actively and autonomously adjust the voice playing mode according to the posture of the user.
Therefore, it is desirable to provide a method for controlling a speech device based on a microwave radar, which solves the problem in the prior art that the speech device cannot automatically adjust the play mode according to the gesture of the user, achieves dynamic adjustment of the volume and the play mode of the speech device, and improves the user speech interaction experience.
Disclosure of Invention
The invention mainly aims to provide a voice device control method, a voice device control system and a storage medium based on microwave radar, so as to solve the problem that the voice device in the prior art cannot automatically adjust the play mode according to the posture of a user, realize dynamic adjustment of the volume and the play mode of the voice device and improve the voice interaction experience of the user.
In a first aspect, the present invention provides a method for controlling a speech device based on a microwave radar, including:
receiving a microwave detection signal, wherein the microwave detection signal is a detection signal obtained by performing microwave scanning on a target area;
judging whether the user behavior gesture in the target area is within a preset gesture range or not according to the microwave detection signal;
and if the user behavior gesture in the target area is within the range of the preset gesture, controlling the voice equipment to operate according to the user behavior gesture in the target area.
Preferably, the step of controlling the operation of the voice device according to the user behavior gesture in the target area includes:
acquiring a preset corresponding relation between the user behavior gesture in the target area and the voice equipment operation parameters;
determining voice equipment operation parameters according to the user behavior postures in the target area and the corresponding relation;
and controlling the voice equipment to operate according to the determined voice equipment operation parameters.
Preferably, the determined operation parameter of the voice device at least includes at least one of a playing rhythm parameter of the voice device or a playing volume parameter of the voice device.
Preferably, the user behavior gesture in the target area at least includes a user behavior position and a user behavior movement.
Preferably, the receiving a microwave detection signal, where the microwave detection signal is a detection signal obtained by performing microwave scanning on a target area, includes:
scanning each sub-area of the target area according to a preset scanning rule through preset microwave radar equipment; determining a current location of a user within the target area based on the scanning results; the microwave radar equipment continuously scans the current position of the user and the user to obtain a microwave detection signal with preset duration; and receiving a microwave detection signal with preset time length sent by the microwave radar equipment.
Preferably, the step of determining whether the user behavior gesture in the target area is within a preset gesture range according to the microwave detection signal includes:
analyzing the microwave detection signal to obtain the current activity posture of the preset human body at each time point in a preset time length; determining the user behavior gesture based on the current activity gesture of the preset human body at each time point; and judging whether the user behavior gesture in the target area is within the range of the preset gesture or not based on the user behavior gesture and the preset behavior gesture in the preset database.
According to a second aspect of the embodiments of the present invention, the present invention provides a voice device control system based on microwave radar, including:
the microwave radar equipment scans microwaves in a target area to obtain microwave detection signals, wherein the microwave radar equipment scans all sub-areas of the target area according to a preset scanning rule and determines the current position of a user in the target area based on a scanning result; the microwave radar equipment continuously scans the current position of the user and the user to obtain a microwave detection signal with preset duration;
the central control equipment judges whether the user behavior gesture in the target area is within the range of a preset gesture according to the microwave detection signal; if the user behavior gesture in the target area is in the range of the preset gesture, controlling the voice equipment to operate according to the user behavior gesture in the target area,
judging whether the user behavior gesture in the target area is within the range of the preset gesture according to the microwave detection signal, wherein the step comprises the following steps: analyzing the microwave detection signal to obtain the current activity posture of the preset human body at each time point in a preset time length; determining the user behavior gesture based on the current activity gesture of the preset human body at each time point; and judging whether the user behavior gesture in the target area is in the range of the preset gesture or not based on the user behavior gesture and the preset behavior gesture in the preset database.
Preferably, the system further comprises:
and the cloud server is used for storing the microwave detection signal or sending a voice device operation parameter to the voice device, wherein the cloud server and the microwave radar device are in the same wide area network.
According to a third aspect of the embodiments of the present invention, the present invention provides an electronic device, including a memory and a processor, where the memory is used to store one or more computer instructions, and the one or more computer instructions, when executed by the processor, implement the microwave radar-based voice device control method according to any one of the first aspect.
According to a fourth aspect of the embodiments of the present invention, there is provided a storage medium in which a program is stored, the program implementing the microwave radar-based voice device control method according to any one of the first aspect described above when executed by a computer.
Compared with the prior art, one or more embodiments in the above scheme can have the following advantages or beneficial effects:
according to the method and the device, the detection signals are collected and analyzed by the microwave radar to obtain the user behavior gesture, the play mode of the voice device is adjusted based on the user behavior gesture, the problem that the voice device cannot automatically adjust the play mode according to the user gesture in the prior art is solved, the volume of the voice device and the play mode are dynamically adjusted, and the voice interaction experience of the user is improved.
Drawings
In order to more clearly illustrate the technical solution of the present invention, the drawings required to be used in the embodiments will be briefly described below, and it is obvious to those skilled in the art that other drawings may be obtained based on these drawings without inventive labor.
Fig. 1 is a schematic flowchart of a voice device control method based on microwave radar according to an embodiment of the present invention.
Fig. 2 is a schematic flowchart of another microwave radar-based voice device control method according to an embodiment of the present invention.
Fig. 3 is a schematic diagram of a voice device control system based on a microwave radar according to an embodiment of the present invention.
Detailed Description
The following detailed description of the embodiments of the present invention will be provided with reference to the accompanying drawings and examples, so that how to apply the technical means to solve the technical problems and achieve the corresponding technical effects can be fully understood and implemented. The embodiments of the present invention and the features of the embodiments can be combined with each other without conflict, and the formed technical solutions are within the scope of the present invention.
To facilitate the understanding of the present invention, some terms or nouns related to the embodiments of the present invention are explained below:
and the microwave radar sensor detects the target object by transmitting a millimeter wave signal, and the microwave radar sensor uses millimeter waves which refer to electromagnetic waves in a frequency domain of 30G to 300 GHz. Compared with optical sensors such as a camera, infrared sensors, laser sensors and the like, the millimeter wave radar has the advantages of being strong in fog, smoke and dust penetrating capability, strong in anti-interference capability and capable of achieving all-weather all-day-long characteristics.
When the microwave radar apparatus transmits electromagnetic waves in a certain direction at a constant rate, the phase and frequency may change due to the propagation path. The wavelength of the object radiation changes due to the relative movement of the wave source and the preset human body, when the moving wave source is in front of the wave source, the wave is compressed, the wavelength becomes shorter, the frequency becomes higher, when the moving wave source is behind the wave source, the opposite effect is generated, the wavelength becomes longer, and the frequency becomes lower.
As shown in fig. 1, an embodiment of the present invention provides a method for controlling a voice device based on a microwave radar, including the following steps S101 to S103:
step S101: and receiving a microwave detection signal, wherein the microwave detection signal is a detection signal obtained by performing microwave scanning on a target area.
The microwave referred to in the embodiments of the present invention refers to a millimeter wave radar signal emitted by a microwave radar device (for example, a microwave radar sensor). The microwave radar equipment can also be understood as millimeter wave radar, microwave radar and microwave photoelectric radar, and can have the characteristics of microwave guidance and photoelectric guidance. The embodiment of the invention does not limit the type and specific model of the microwave radar equipment, and different quantities and types of microwave radar equipment can be set according to each monitoring area and each working area.
Above-mentioned microwave radar equipment can send the microwave radar signal, and receive the microwave radar detected signal, scans the target area that needs detected, and scanning time and scanning speed can set up according to the size in target area by oneself.
The microwave radar equipment can be in communication connection with the central control terminal in advance, after detection is completed, detection results can be sent to the central control terminal through various networks (such as a local area network and a wide area network), and a user can inquire the detection results through the central control terminal.
For example, scanning each sub-region of the target region by a preset microwave radar device according to a preset scanning rule; determining a current location of a user within the target area based on the scanning results; the microwave radar equipment continuously scans the current position of the user and the user to obtain a microwave detection signal with preset time length; and receiving a microwave detection signal with preset time length sent by the microwave radar equipment.
In an embodiment of the present invention, the step of receiving the microwave detection signal includes: scanning each sub-region of the target region according to a preset scanning rule by using preset microwave radar equipment; determining the current position of a preset human body in the target area based on the scanning result; the microwave radar device continuously scans the current position and a preset human body to obtain a microwave detection signal with preset duration (the preset duration can refer to the duration of each scanning, for example, the duration of the microwave radar device when sending out three electromagnetic waves and receiving a doppler frequency offset signal of three echoes); and receiving a microwave detection signal with preset time length sent by the microwave radar equipment.
The installation positions and the installation quantity of the microwave radar equipment can be set according to the size of the target area and the size of each sub-area. After the installation is finished and the central control terminal is connected, each sub-area can be scanned through microwave radar equipment firstly to determine whether human body movement exists in the target area, when the human body movement exists, the position where the current human body is located is accurately determined, the position and the human body are scanned subsequently according to preset interval time to obtain microwave detection signals, and therefore the user behavior posture of the user in the target area is judged based on the microwave detection signals.
For each sub-region in the target region, the target region may be segmented according to the scannable range size of the microwave radar device each time after the microwave radar device scans the target region as a whole, so as to obtain a plurality of sub-regions, and thus each sub-region may be scanned once or multiple times, so as to prepare for accurately determining the current position of the preset human body subsequently.
For the determination of the current position of the preset human body in the target area based on the scanning result, the current position of the preset human body may be determined by automatic analysis under the control of the microwave radar device, or the scanning result may be sent to a preset processing device (for example, a central control terminal or a server) by the microblog radar device and obtained by analysis through the preset processing device.
As an optional embodiment of the present invention, the step of obtaining the microwave detection signal with a preset duration by the microwave radar device continuously scanning the current position and the preset human body includes: the microwave radar equipment continuously emits electromagnetic waves with preset frequency to the current position and a preset human body; and detecting the Doppler frequency offset of the echo by the microwave radar equipment to obtain a microwave detection signal with preset duration, wherein the user behavior attitude is calculated by using the Doppler frequency offset.
The microwave radar equipment can send electromagnetic waves with certain frequency to scan the current position and a preset human body, detect the Doppler frequency offset of an echo and calculate the user behavior by utilizing a certain algorithm.
Step S102: judging whether the user behavior gesture in the target area is within a preset gesture range or not according to the microwave detection signal;
for example, the central control device analyzes the microwave detection signal to obtain the current activity posture of the preset human body at each time point in a preset time length; determining the user behavior gesture based on the current activity gesture of the preset human body at each time point; and judging whether the user behavior gesture in the target area is in the range of the preset gesture or not based on the user behavior gesture and the preset behavior gesture in the preset database.
The user behavior posture in the target area at least comprises a user behavior position and a user behavior movement direction, the user behavior position is such as that the user is in a study or a bedroom, the user behavior movement direction is such as that the user stands up or the user talks with other people, after the user behavior posture is calculated by using Doppler frequency offset, the data is compared with preset posture data in a database, and whether the current posture of the user is in the preset posture can be judged, so that whether the operation mode of the voice device is adjusted or not is determined. The preset gesture is a pixel value of a series of continuous images, a motion track can be calculated according to the pixel value, and whether the behavior gesture of the user is matched with the motion track or not is judged according to the motion track.
Step S103: and if the user behavior gesture in the target area is within the range of the preset gesture, controlling the voice equipment to operate according to the user behavior gesture in the target area.
For example, a preset corresponding relationship between the user behavior gesture in the target area and the voice device operation parameter is obtained, and the corresponding relationship is stored in a data table in a database, for example;
determining voice equipment operation parameters according to the user behavior posture in the target area and the corresponding relation;
and controlling the voice equipment to operate according to the determined voice equipment operation parameters.
The determined voice device operation parameters at least comprise at least one of voice device playing rhythm parameters or voice device playing volume parameters.
For example, if other people enter the scene and have actions explicitly pointing to the user in the current scene, it is determined that the user is about to start a conversation; when the user takes out the mobile phone and selects to place the mobile phone beside the ear, the user is judged to have the requirement of listening to the mobile phone at present; when a user has a conversation requirement, the volume should be reduced to avoid influencing the conversation quality; if the user needs to answer the call, the playing needs to be stopped, and the user continues to wait until the call is ended; when the user stands up and leaves, if the resource such as joke should pause and wait for the user to return and then continue playing, the music resource can properly amplify the volume.
As shown in fig. 2, an embodiment of the present invention provides another voice device control method based on microwave radar, including the following steps S201 to S204:
step S201: the microwave radar collects the user state and uploads the user state to the cloud server.
When the user's equipment is in a playing state, such as playing music, a phase or a joke, the microwave radar sensor collects the current state of the user, including the user behavior position and the user behavior direction, the user behavior position is the relative position of the environment where the user is currently located, such as a living room, a bedroom, a kitchen and a bathroom, the microwave radar equipment has the function of monitoring the human body dynamic state, and the user behavior direction can be obtained through the face orientation and the body language analysis of the user, such as the user lifting the leg and moving in a certain direction. In the process of analyzing the user state at the cloud end, the priority of the body language is higher.
Step S202: the cloud server analyzes the user state.
After the user state is collected, uploading the user state to a cloud server, analyzing the user state by the cloud server, and judging the next action of the user, wherein if other people enter a scene and have actions clearly pointing to the user in the current scene, the user is judged to start a conversation; and if the user takes out the mobile phone and selects to place the mobile phone at the ear, judging that the user has the requirement of listening to the mobile phone at present.
Step S203: and the cloud server issues a device control instruction.
The cloud server generates a device control instruction according to the user state and sends the device control instruction to the voice device, for example, when the user has a conversation requirement, the volume should be reduced, so that the conversation quality is prevented from being influenced; if the user needs to answer the call, the playing needs to be stopped, and the user continues to wait until the call is ended; when the user stands up and leaves, if the resources such as joke should pause and wait for the user to return and then continue playing, the music resources can properly amplify the volume and the like. The above instruction correspondence can be customized and modified by users.
Step S204: the voice device completes the relative adjustment.
After receiving the control instruction sent by the cloud server, the voice device executes a corresponding control instruction, such as volume amplification.
Particularly, after each pause of playing, if a continuous playing instruction is still not triggered within 30 minutes (which can be defined by a user), the dynamic processing flow is broken away, and even if the user returns to the scene, the playing is still not continuously carried out.
As shown in fig. 3, an embodiment of the present invention provides a voice device control system based on microwave radar, including:
the microwave radar equipment scans microwaves in a target area to obtain microwave detection signals, wherein the microwave radar equipment scans all sub-areas of the target area according to a preset scanning rule and determines the current position of a user in the target area based on a scanning result; the microwave radar equipment continuously scans the current position of the user and the user to obtain a microwave detection signal with preset duration;
the central control equipment judges whether the user behavior gesture in the target area is within the range of a preset gesture according to the microwave detection signal; if the user behavior gesture in the target area is in the range of the preset gesture, controlling the voice equipment to operate according to the user behavior gesture in the target area,
judging whether the user behavior gesture in the target area is within the range of the preset gesture according to the microwave detection signal, wherein the step comprises the following steps: analyzing the microwave detection signal to obtain the current activity posture of the preset human body at each time point in a preset time length; determining the user behavior gesture based on the current activity gesture of the preset human body at each time point; and judging whether the user behavior gesture in the target area is within the range of the preset gesture or not based on the user behavior gesture and the preset behavior gesture in the preset database.
In some embodiments, the microwave radar-based voice device control system further comprises:
and the cloud server is used for storing the microwave detection signal or sending a voice device operation parameter to the voice device, wherein the cloud server and the microwave radar device are in the same wide area network.
The embodiment of the invention provides an electronic device, which can be a mobile phone, a tablet computer and the like, and comprises a memory and a processor, wherein the memory is used for storing one or more computer instructions, and the one or more computer instructions, when executed by the processor, implement the microwave radar-based voice device control method in the above embodiment.
Wherein, the processor is used for executing all or part of the steps in the voice equipment control method based on microwave radar in the embodiment. The memory is used to store various types of data, such as microwave radar detection signal data and the like.
The Processor may be an Application Specific Integrated Circuit (ASIC), a Digital Signal Processor (DSP), a Digital Signal Processing Device (DSPD), a Programmable Logic Device (PLD), a Field Programmable Gate Array (FPGA), a controller, a microcontroller, a microprocessor, or other electronic components, and is configured to execute the method for controlling a microwave radar-based speech Device in the first embodiment.
The Memory may be implemented by any type of volatile or non-volatile Memory device or combination thereof, such as Static Random Access Memory (SRAM), electrically Erasable Programmable Read-Only Memory (EEPROM), erasable Programmable Read-Only Memory (EPROM), programmable Read-Only Memory (PROM), read-Only Memory (ROM), magnetic Memory, flash Memory, magnetic disk or optical disk.
Each functional unit in the embodiments of the present invention may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit. The functions, if implemented in the form of software functional units and sold or used as a stand-alone product, may be stored in a computer readable storage medium. Based on such understanding, the technical solution of the present invention may be embodied in the form of a software product, which is stored in a storage medium and includes instructions for causing a computer device (which may be a personal computer, a server, or a network device) to execute all or part of the steps of the method according to the embodiments of the present invention. And the aforementioned storage medium includes: various media capable of storing program check codes, such as a U disk, a removable hard disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk or an optical disk.
In the embodiments provided in the present disclosure, it should be understood that the disclosed apparatus and method may be implemented in other ways. The apparatus embodiments described above are merely illustrative, and for example, the flowchart and block diagrams in the figures illustrate the architecture, functionality, and operation of possible implementations of apparatus, methods and computer program products according to various embodiments of the present disclosure. In this regard, each block in the flowchart or block diagrams may represent a module, segment, or portion of code, which comprises one or more executable instructions for implementing the specified logical function(s). 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 the blocks may sometimes be executed in the reverse order, depending upon the functionality involved. It will also be noted that each block of the block diagrams and/or flowchart illustration, and combinations of blocks in the block diagrams and/or flowchart illustration, can be implemented by special purpose hardware-based systems which perform the specified functions or acts, or combinations of special purpose hardware and computer instructions.
It should be noted that, in the present disclosure, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising a … …" does not exclude the presence of another identical element in a process, method, article, or apparatus that comprises the element.
Although the present disclosure has been described in terms of the above embodiments, the above description is only for the convenience of understanding the present disclosure, and is not intended to limit the present disclosure. It will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the disclosure as defined by the appended claims.
Claims (10)
1. A voice device control method based on microwave radar is characterized in that,
receiving a microwave detection signal, wherein the microwave detection signal is a detection signal obtained by performing microwave scanning on a target area;
judging whether the user behavior gesture in the target area is within the range of a preset gesture or not according to the microwave detection signal;
and if the user behavior gesture in the target area is within the range of the preset gesture, controlling the voice equipment to operate according to the user behavior gesture in the target area.
2. The method according to claim 1, wherein the step of controlling the operation of the voice device according to the user behavior gesture in the target area comprises:
acquiring a preset corresponding relation between the user behavior gesture in the target area and the voice equipment operation parameters;
determining voice equipment operation parameters according to the user behavior posture in the target area and the corresponding relation;
and controlling the voice equipment to operate according to the determined voice equipment operation parameters.
3. The method of claim 2, wherein the determined speech device operating parameters comprise at least one of a speech device playback tempo parameter or a speech device playback volume parameter.
4. The method of claim 1, wherein the user behavior gesture within the target region comprises at least a user behavior position and a user behavior gesture.
5. The method of claim 1, wherein the step of receiving the microwave detection signal, wherein the microwave detection signal is obtained by performing microwave scanning on the target area, comprises:
scanning each sub-region of the target region according to a preset scanning rule by using preset microwave radar equipment; determining a current location of a user within the target area based on the scanning results; the microwave radar equipment continuously scans the current position of the user and the user to obtain a microwave detection signal with preset duration; and receiving a microwave detection signal with preset time length sent by the microwave radar equipment.
6. The method according to claim 1, wherein the step of determining whether the user behavior gesture in the target area is within a preset gesture range according to the microwave detection signal comprises:
analyzing the microwave detection signal to obtain the current activity posture of the preset human body at each time point in a preset time length; determining the user behavior gesture based on the current activity gesture of the preset human body at each time point; and judging whether the user behavior gesture in the target area is in the range of the preset gesture or not based on the user behavior gesture and the preset behavior gesture in the preset database.
7. A voice device control system based on microwave radar is characterized by comprising:
the microwave radar equipment scans microwaves in a target area to obtain microwave detection signals, wherein the microwave radar equipment scans all sub-areas of the target area according to a preset scanning rule and determines the current position of a user in the target area based on a scanning result; the microwave radar equipment continuously scans the current position of the user and the user to obtain a microwave detection signal with preset duration;
the central control equipment judges whether the user behavior gesture in the target area is within the range of a preset gesture according to the microwave detection signal; if the user behavior gesture in the target area is in the range of the preset gesture, controlling the voice equipment to operate according to the user behavior gesture in the target area,
judging whether the user behavior gesture in the target area is within the range of the preset gesture according to the microwave detection signal, wherein the step comprises the following steps: analyzing the microwave detection signal to obtain the current activity posture of the preset human body at each time point in a preset time length; determining the user behavior gesture based on the current activity gesture of the preset human body at each time point; and judging whether the user behavior gesture in the target area is in the range of the preset gesture or not based on the user behavior gesture and the preset behavior gesture in the preset database.
8. The microwave radar-based voice device control system of claim 7, further comprising:
and the cloud server is used for storing the microwave detection signal or sending a voice device operation parameter to the voice device, wherein the cloud server and the microwave radar device are in the same wide area network.
9. An electronic device comprising a memory and a processor, the memory for storing one or more computer instructions, wherein the one or more computer instructions, when executed by the processor, implement the microwave radar-based voice device control method of any one of claims 1 to 6.
10. A computer-readable storage medium for storing a program, wherein the program, when executed by a processor, controls a device in which the storage medium is located to perform the microwave radar-based voice device controlling method according to any one of claims 1 to 6.
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| CN114500590A (en) * | 2021-12-23 | 2022-05-13 | 珠海格力电器股份有限公司 | Intelligent device voice broadcasting method and device, computer device and storage medium |
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| CN112066528A (en) * | 2020-08-10 | 2020-12-11 | 珠海格力电器股份有限公司 | Air conditioner control method and device, storage medium and air conditioner |
| CN112184626A (en) * | 2020-09-02 | 2021-01-05 | 珠海格力电器股份有限公司 | Gesture recognition method, device, equipment and computer readable medium |
| CN114500590A (en) * | 2021-12-23 | 2022-05-13 | 珠海格力电器股份有限公司 | Intelligent device voice broadcasting method and device, computer device and storage medium |
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