CN112460757A - Air conditioner, voice control method thereof and storage medium - Google Patents
Air conditioner, voice control method thereof and storage medium Download PDFInfo
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
- F24F11/63—Electronic processing
- F24F11/64—Electronic processing using pre-stored data
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/50—Control or safety arrangements characterised by user interfaces or communication
- F24F11/52—Indication arrangements, e.g. displays
- F24F11/526—Indication arrangements, e.g. displays giving audible indications
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- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
- G10L15/00—Speech recognition
- G10L15/22—Procedures used during a speech recognition process, e.g. man-machine dialogue
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Abstract
The invention discloses a voice control method of an air conditioner, which comprises the steps of receiving a voice signal and determining the position information of the voice signal; processing at least one of the voice signals of which the position information is in a first area and the voice signals of which the position information is in a second area so that the energy of the voice signals in the first area is larger than that of the voice signals in the second area, wherein the action space of the air conditioner comprises the first area and the second area; and recognizing a voice control instruction of the processed voice signal so as to respond to the voice control instruction. The invention also discloses an air conditioner and a storage medium. The voice control method has high voice recognition accuracy in a noisy environment.
Description
Technical Field
The invention relates to the technical field of air conditioners, in particular to an air conditioner, a voice control method and a storage medium thereof.
Background
With the progress of science and technology, electronic equipment is more and more intelligent. Such as many electronic devices, are capable of voice control. Since a noisy environment easily affects the recognition of the voice control command, the electronic device needs to be in a relatively quiet environment during the voice control process. Therefore, the current electronic equipment for realizing voice control has the use scene limitation, such as household electronic equipment.
In public places, the use of electronic equipment is also important. Such as public places where air conditioners are unnecessary or lacking electronic devices, and intelligent control of air conditioners is also a trend. However, the environment of a public place is noisy and has high noise, and the existing voice control method can only recognize the control voice when the signal-to-noise ratio of the control voice and the noise is more than 10 decibels, so that the voice control can be realized. Therefore, today's air conditioners do not enable voice control in public places or noisy, noisy environments.
Disclosure of Invention
The invention mainly aims to provide an air conditioner, a voice control method thereof and a storage medium, and aims to solve the technical problem that the air conditioner cannot realize voice control in a noisy environment.
In order to achieve the above object, the present invention provides a voice control method of an air conditioner, including the steps of:
receiving a voice signal, and determining the position information of the voice signal;
processing at least one of the voice signals of which the position information is in a first area and the voice signals of which the position information is in a second area so that the energy of the voice signals in the first area is larger than that of the voice signals in the second area, wherein the action space of the air conditioner comprises the first area and the second area;
and recognizing a voice control instruction of the processed voice signal so as to respond to the voice control instruction.
Optionally, the step of processing the voice signal of which the position information is in the first area and the second area includes:
reducing the energy of the voice signal of which the position information is in the second area; and/or
Increasing the energy of the speech signal of which the position information is in the first region.
Optionally, the step of receiving the voice signal and determining the location information of the voice signal includes:
receiving a voice signal, and processing the voice signal output by each microphone in a microphone array based on a wave velocity forming algorithm to obtain a wave beam of the voice signal;
and determining the direction of the voice signal according to the beam, wherein the position information comprises the direction of the voice signal.
Optionally, the voice control method of the air conditioner includes:
when the first area setting operation is detected, acquiring the flow of people in the action space of the air conditioner;
and setting the first area according to the pedestrian volume, wherein the second area is other than the first area, and the pedestrian volume of the first area is smaller than that of the second area.
Optionally, the step of setting the first area according to the flow rate of people includes:
comparing the flow of people of at least two sub-areas divided based on the action space of the air conditioner;
and setting the sub-area with the minimum pedestrian volume as the first area, so that the pedestrian volume of the first area is smaller than that of the second area, and the first area is smaller than the second area.
Optionally, the voice control method of the air conditioner includes:
when the first area setting operation is detected, detecting an area corresponding to the position of a user, wherein the action space of the air conditioner is divided into at least two areas;
setting the region as the first region.
Optionally, the step of recognizing the voice control instruction of the processed voice signal in response to the voice control instruction includes:
filtering the processed voice signal to obtain a target voice signal within a preset frequency band range;
and acquiring a voice control instruction corresponding to the target voice signal so as to respond to the voice control instruction.
Optionally, the step of extracting a voice control instruction based on the target voice signal includes:
when the target voice signals comprise a plurality of target voice signals, extracting a voice control instruction corresponding to the target voice signal with the maximum signal energy;
or extracting a voice control instruction corresponding to a target voice signal closest to the air conditioner;
or extracting the voice control instruction corresponding to the target voice signal matched with the preset voice control instruction.
In order to achieve the above object, the present invention also provides an air conditioner including a memory, a processor, and a voice control program stored in the memory and executable on the processor, the voice control program implementing the steps of the voice control method of the air conditioner as described above when executed by the processor.
In addition, the present invention also provides a storage medium storing a voice control program, which when executed by a processor implements the steps of the voice control method of the air conditioner as described above.
The air conditioner, the voice control method thereof and the storage medium provided by the invention can determine the position information of the voice signal when receiving the voice signal, and further processing at least one of the voice signals of which the position information is in the first area and the second area, so that the power of the speech signal in the first region is greater than the power of the speech signal in the second region, and thus, in recognizing the speech signal, the interference of the speech signal in the second region can be reduced, relatively speaking, the recognition accuracy of the speech signal in the first region can be improved, so that by setting the masking or attenuation of the speech signal in the other region than the fixed region, the speech signal in the speech extraction, the definition of the voice signal of the fixed area is improved, and the extraction accuracy of the voice control instruction is further improved.
Drawings
Fig. 1 is a hardware configuration diagram of an air conditioner according to an embodiment of the present invention;
FIG. 2 is a flow chart illustrating a voice control method of an air conditioner according to an embodiment of the present invention;
FIG. 3 is a flow chart of another embodiment of a voice control method for an air conditioner according to the present invention;
fig. 4 is a flow chart illustrating a voice control method of an air conditioner according to another embodiment of the present invention.
The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
Detailed Description
It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The main technical scheme of the embodiment of the invention is as follows: receiving a voice signal, and determining the position information of the voice signal; processing at least one of the voice signals of which the position information is in a first area and the voice signals of which the position information is in a second area so that the energy of the voice signals in the first area is larger than that of the voice signals in the second area, wherein the action space of the air conditioner comprises the first area and the second area; and recognizing a voice control instruction of the processed voice signal so as to respond to the voice control instruction.
For a better understanding of the above technical solutions, exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.
As one implementation manner, the voice control method of the air conditioner may involve a hardware environment architecture as shown in fig. 1.
Specifically, the hardware architecture related to the voice control method of the air conditioner may include the air conditioner, such as an air conditioner, and the like, and may also include a control terminal, such as a server, a mobile terminal, a central controller, and the like.
As one implementation, the air conditioner or the control terminal includes: a processor 101, e.g. a CPU, a memory 102, a communication bus 103. Wherein a communication bus 103 is used for enabling the connection communication between these components. The processor 102 is used to invoke an application program to execute voice control instructions.
The memory 102 may be a high-speed RAM memory or a non-volatile memory (e.g., a disk memory).
It is understood that, in an embodiment, a voice control program for implementing the voice control process of the air conditioner is stored in the memory 102 of the air conditioner or the control terminal, and when the processor 101 calls the voice control program from the memory 102, the following operations are performed:
receiving a voice signal, and determining the position information of the voice signal;
processing at least one of the voice signals of which the position information is in a first area and the voice signals of which the position information is in a second area so that the energy of the voice signals in the first area is larger than that of the voice signals in the second area, wherein the action space of the air conditioner comprises the first area and the second area;
and recognizing a voice control instruction of the processed voice signal so as to respond to the voice control instruction.
Alternatively, in another embodiment, a voice control program for implementing the voice control process of the air conditioner is stored in a computer-readable storage medium, and when the storage medium is applied to a computer, the processor 101 of the computer may call the voice control program from the storage medium to perform the following operations:
receiving a voice signal, and determining the position information of the voice signal;
processing at least one of the voice signals of which the position information is in a first area and the voice signals of which the position information is in a second area so that the energy of the voice signals in the first area is larger than that of the voice signals in the second area, wherein the action space of the air conditioner comprises the first area and the second area;
and recognizing a voice control instruction of the processed voice signal so as to respond to the voice control instruction.
It should be noted that the air conditioner controlled by the control method of the embodiment is mainly applied to a noisy environment, such as places like shopping malls, KTVs, shops, restaurants, and the like, and therefore the air conditioner is controlled by the voice control method of the embodiment of the present invention. Or the voice control process in the embodiment of the present invention is one of the control modes of the air conditioner, the air conditioner is applied in a room, if the environment of the room in which the air conditioner is located is quiet, the air conditioner can be controlled by using the other voice control modes, and if the environment of the room in which the air conditioner is located is noisy, the air conditioner is switched to the voice control mode in the embodiment of the present invention to control the air conditioner. The voice control mode can correspondingly control the air conditioner to be turned on or turned off, or adjust the operating parameters of the air conditioner, switch the operating mode of the air conditioner and the like.
The air conditioner comprises an indoor unit, wherein an array microphone is arranged on the indoor unit and used for collecting sound signals of the environment where the array microphone is located. The arrangement of the array microphones is not limited again.
Various embodiments of the voice control method of the air conditioner of the present invention are proposed based on the hardware architecture of the air conditioner described above.
In an embodiment, referring to fig. 2, a voice control method of an air conditioner according to the embodiment includes the following steps:
step S10, receiving a voice signal, and determining the position information of the voice signal;
step S20, processing at least one of the voice signals with the position information in the first area and the voice signals with the position information in the second area, so that the energy of the voice signals in the first area is larger than that of the voice signals in the second area, and the action space of the air conditioner comprises the first area and the second area;
and step S30, recognizing the voice control instruction of the processed voice signal so as to respond to the voice control instruction.
The voice control method of the air conditioner in the embodiment may be executed in the air conditioner, and may also be executed in a control terminal, where the control terminal is used to control the air conditioner. The voice control methods are all used for controlling the air conditioner to execute corresponding control actions. The following description will be made by taking an example of the operation in an air conditioner.
The air conditioner may be an air conditioner or an air purifier, or the like, for treating air. The air conditioner is provided with an array microphone for collecting voice, and the array microphone is specifically arranged on an indoor unit of the air conditioner. The array microphone is connected with a processor of the air conditioner, and real-time or timing collected voice signals are sent to the processor for the processor to process the voice signals.
Array microphone gathers speech signal in real time or regularly to send the speech signal who gathers to the treater, when the treater received the speech signal that array microphone gathered, confirm the positional information of speech signal if in noisy environment, based on the characteristic that microphone array gathered speech signal, the treater can be handled each speech signal, in order to obtain each the positional information that speech signal corresponds. Based on the above, the processor is arranged to amplify and recognize only the voice signal in the fixed area, and shield or weaken the voice signal in other areas except the fixed area, so that when the voice control instruction is extracted, the interference of the voice signal (environmental noise and the like) in other areas is reduced, and the recognition and extraction accuracy of the voice control instruction corresponding to the voice signal can be improved.
In this embodiment, after the position information of the voice signal is determined, the received voice signal is processed based on the position information, so that the energy of the voice signal of which the position information is in the first region is greater than the energy of the voice signal of which the position information is in the second region.
Specifically, the processing the voice signals of which the position information is in the first area and the second area so that the energy of the voice signal in the first area is greater than the energy of the voice signal in the second area includes:
and reducing the energy of the voice signal of which the position information is in the second area. Such as performing attenuation processing on the full frequency band of the voice signal located in the second region, or performing masking processing on the voice signal located in the second region. The method and the device achieve the purpose of reducing the energy of the voice signal of the second area, and relatively increase the energy of the voice signal of the second area under the condition that the energy of the voice signal of the second area is reduced, so as to improve the recognition degree of the voice signal of the first area.
And/or;
increasing the energy of the speech signal of which the position information is in the first region. For example, the frequency band of the speech signal located in the first region is amplified in an enhanced manner, so as to improve the recognition degree of the speech signal in the first region.
In the voice control process of the air conditioner, a user stands in the first area to send out a voice signal, based on noise of the environment where the air conditioner is located, the air conditioner can receive the voice signal sent by a user in the first area and can also receive noise of other positions, at the moment, after the voice signal in the first area and the voice signal in the second area are processed by the air conditioner, energy of the voice signal in the first area is enhanced relative to energy of the voice signal in the second area, and based on the voice signal in the first area, the voice control instruction actually sent by the user can be more clearly identified when the air conditioner identifies the control instruction of the voice signal, so that the signal to noise ratio is increased to a certain extent, and the voice identification effect and the voice control accuracy under the operation environment are improved.
The first area can be set by a user, such as according to the use scene of the air conditioner, for example, the first area is arranged in the area covered by the forward fixed angle of the air conditioner. The air conditioner can also automatically set according to the use environment, and the position of the first area can be prompted through a voice prompt or a display panel display mode after the setting.
Further, the position information of the voice signal in this embodiment is obtained by using a beam forming algorithm. Specifically, a voice signal is received, and the voice signal output by each microphone in a microphone array is processed based on a wave velocity forming algorithm to obtain a wave beam of the voice signal; and determining the direction of the voice signal according to the beam, wherein the position information comprises the direction of the voice signal.
Specifically, by adjusting the basic cell parameters of the phased array, signals at certain angles obtain constructive interference, while signals at other angles obtain destructive interference. Weighting, summing and filtering output signals of each array element, and finally outputting a voice signal in a desired direction, namely forming a beam; and carrying out merging processing on the multi-path microphone signals, inhibiting interference signals in a non-target direction and enhancing sound signals in a target direction.
It is understood that the voice control process in the present embodiment can be used in any scenario, and the voice control method of the air conditioner further includes: obtain the noise signal of air conditioner place environment when the noise signal is greater than and predetermines the threshold value, judge air conditioner place environment is noisy environment, then carries out above-mentioned step S10, S20 and S30, adopts above-mentioned step to realize air conditioner 'S speech control, and the user station is in speech control is carried out in the first region, realizes improving speech control' S the degree of accuracy in noisy environment. And when the noise signal is smaller than or equal to a preset threshold value, judging that the environment where the air conditioner is located is a quiet environment, and directly recognizing a voice control instruction of the voice signal after acquiring the voice signal so as to respond to the voice control instruction. In a quiet environment, the air conditioner has high speech recognition accuracy, and in order to facilitate a user to realize speech control at any position, when the air conditioner judges that the air conditioner is in the quiet environment, the air conditioner directly recognizes the speech signal, and does not perform enhancement processing on the speech signal in the first area or weaken processing on the speech signal in the second area. Therefore, the voice control method is wide in applicability, suitable for different scenes and capable of performing voice control by adapting to the optimal control effect of different scenes.
In addition, the voice control process in the present embodiment may also be dedicated to a noisy scene, that is, the voice control in the air conditioner adopts the control process described in the above steps S10, S20, and S30.
Further, when the air conditioner of the embodiment of the present invention is applied in a noisy environment, especially in an environment with a large amount of people flowing in a mall, to avoid voice false triggering or to avoid artificial malicious control, in this embodiment, before the step of identifying the voice control instruction of the processed voice signal to respond to the voice control instruction, the voice control method of the air conditioner further includes: acquiring user identity information corresponding to the processed voice information; and when the user identity information is matched with the preset user identity information, recognizing the voice control instruction of the processed voice information so as to respond to the voice control instruction.
That is, the air conditioner is internally provided with a user authority for controlling the air conditioner, the user authority is bound with user identity information, and the voice control instruction is responded when the voice signal is a voice signal sent by a user with the user authority so as to avoid artificial false triggering or artificial malicious control.
It can be understood that the voice control method based on the air conditioner can be operated in the air conditioner, and can also be operated in a control terminal of the air conditioner, so that the processor directly executes corresponding actions according to the voice control instruction after the voice control instruction of the processed voice information is received, or the control terminal sends the voice control instruction to the air conditioner, and the air conditioner executes corresponding actions after receiving the voice control instruction.
It should be noted that the voice control instruction in this embodiment correspondingly includes a wake-up instruction, a power-on instruction, a power-off instruction, a parameter setting instruction, a mode switching instruction, and the like.
Further, the present invention provides another embodiment for implementing voice control based on the above embodiment, referring to fig. 3, the voice control method of the air conditioner includes:
step S40, when detecting the first area setting operation, obtaining the people flow of the air conditioner acting space;
step S50, setting the first area according to the flow rate of people, wherein the second area is an area other than the first area, and the flow rate of people in the first area is smaller than that in the second area.
The first region is set to be the position where the user sends the control command in the voice control process, and based on the above embodiment, this embodiment weakens or shields the voice signal located in the second region, and amplifies the voice signal located in the first region, so as to weaken the interference of the noisy voice signal in the second region on the voice signal in the first region, and improve the accuracy of voice recognition. It can be seen that the user needs to stand in the first area to send out a voice signal to control the air conditioner.
The first area can be a fixed area during production, such as a fan-shaped area formed by an included angle of 45 degrees in the front of the air conditioner or in the front of the air conditioner, or an area right opposite to an air outlet of the air conditioner. In order to further improve the accuracy of voice recognition, the first region may be set based on the environment where the air conditioner is located, the layout of objects in the environment, the flow rate of people in the environment, and the like, and may be set by a user when the air conditioner is installed, or may be set by the user in real time according to a requirement.
If the air conditioner is a remote controller or a first area setting control is arranged on a display interface, when a user triggers the first area setting control, one of a plurality of output areas can be selected as the first area, wherein the plurality of output areas can be fixedly arranged in the air conditioner, such as the front, the left side, the right side, the rear side and the like; the air conditioner can also be generated according to the current position, the layout of objects in the environment and the like, or the air conditioner can be generated according to the size of the people flow. It is also possible to arbitrarily select an area as the first area during the scanning of the operating space of the air conditioner based on infrared detection means.
Or in a preferred embodiment, the first region is automatically generated based on the distribution of the flow of people. Specifically, when a first region setting operation is detected, the pedestrian volume of the air conditioner acting space is obtained, wherein the pedestrian volume can be detected currently or obtained based on historical pedestrian volume detection data; and setting the first area according to the pedestrian volume, wherein the second area is other than the first area, and the pedestrian volume of the first area is smaller than that of the second area. The area with the minimum flow of people is used as the first area, when a user carries out voice control on the air conditioner, on the basis of the minimum flow of people in the first area, after the voice signal in the second area is processed, the voice signal in the first area in the processed voice signal has the strongest energy, and the environmental noise signal in the first area is the minimum, so that the influence of the environmental noise signal on the voice signal of the user is further reduced, the definition of voice recognition is further improved, and the accuracy of voice recognition is further improved.
Further, in order to improve the accuracy of the human flow rate judgment, the present embodiment divides the action space of the air conditioner into a plurality of sub-areas with the same size, and judges the area with the minimum human flow rate by comparing the sub-areas with the same size, so as to improve the accuracy of the human flow rate judgment. The step of setting the first area according to the flow of people comprises the following steps:
comparing the flow of people of at least two sub-areas divided based on the action space of the air conditioner;
and setting the sub-area with the minimum pedestrian volume as the first area, so that the pedestrian volume of the first area is smaller than that of the second area, and the first area is smaller than the second area.
The at least two sub-areas can be sub-areas with the same size, the action space of the air conditioner is divided into the at least two sub-areas with the same size, one sub-area with the minimum flow of people is set as the first area, and the other sub-areas are collected as the second area.
It is understood that the setting of the first position may also include other embodiments, such as a voice control method of the air conditioner including: when the first area setting operation is detected, detecting an area corresponding to the position of a user, wherein the action space of the air conditioner is divided into at least two areas; setting the area where the user is located as the first area.
That is, the first area is set according to the station position where the user is accustomed to standing to control the air conditioner, and if the user is accustomed to standing right in front of the air conditioner to control the air conditioner, the front side is set as the first area, or if the user is accustomed to standing sideways to control the air conditioner, the side is set as the first area. Based on the air conditioner can not display the first area in the action space, the user can easily forget the position of the first area, so that the user can avoid forgetting the position of the first area and influence on accurate control of the air conditioner.
Further, the present invention provides another embodiment for implementing voice control based on all the above embodiments, with reference to fig. 4, wherein the step of recognizing the voice control command of the processed voice signal in response to the voice control command includes:
step S31, filtering the processed voice signal to obtain a target voice signal within a preset frequency range;
step S32, acquiring a voice control instruction corresponding to the target voice signal, so as to respond to the voice control instruction.
Processing at least one of the voice signals of which the position information is located in the first area and the second area so that the energy of the voice signal located in the first area is greater than that of the voice signal located in the second area, wherein the output voice signal after the processing has the greater energy is mainly the voice signal located in the first area, but the voice signal located in the first area also has other noises except for the human voice, so that before the voice signal corresponding to the human voice is recognized, filtering processing is performed on the processed voice signal, for example, other frequency bands except for the human voice are weakened, so as to improve the recognition degree of the voice signal corresponding to the human voice. The preset frequency range is a sound wave frequency range corresponding to the voice, and specifically the preset frequency range is as follows: 300Hz-3.4 KHz.
Further, the step of extracting the voice control instruction based on the target voice signal comprises:
when the target voice signals comprise a plurality of target voice signals, extracting a voice control instruction corresponding to the target voice signal with the maximum signal energy;
or extracting a voice control instruction corresponding to a target voice signal closest to the air conditioner;
or extracting the voice control instruction corresponding to the target voice signal matched with the preset voice control instruction.
That is, there may be a plurality of persons who send the target voice signal in the first region after the filtering process, and in order to further improve the accuracy of the voice control, when the target voice signal includes a plurality of persons, the voice control command corresponding to the target voice signal with the largest signal energy is extracted in response to the voice control command. Or, the voice control instruction corresponding to the target voice signal closest to the air conditioner is directly extracted. Or the voice control instruction corresponding to each target voice signal is identified and is respectively matched with the preset voice control instruction, the voice control instruction matched with the preset voice control instruction is extracted to serve as the voice control instruction of the time, generally speaking, when a pedestrian in the first area makes a sound, the voice which is sent is not the voice control instruction of the air conditioner, the voice control instruction of each target voice signal is identified, the voice control instruction can be accurately matched with the current voice control instruction through being matched with the preset voice control instruction, and the accuracy of voice control is improved.
It should be noted that the target speech signal is distinguished based on the signal source, or the region is determined based on the signal frequency band, and the signal frequency bands corresponding to different signal sources are different, so that a plurality of target speech signals can be obtained based on the signal source or the signal frequency band.
Embodiments of the present invention further provide an air conditioner, which includes a memory, a processor, and a voice control program stored in the memory and executable on the processor, and when the voice control program is executed by the processor, the voice control program implements the various embodiments of the voice control method of the air conditioner as described above.
In addition, embodiments of the present invention also provide a storage medium storing a voice control program, which when executed by a processor, implements the various embodiments of the voice control method of an air conditioner as set forth in the claims.
It should be noted that the above is only a preferred embodiment of the present invention, and not intended to limit the scope of the present invention, and all equivalent structures or equivalent flow transformations made by using the contents of the specification and the drawings, or applied directly or indirectly to other related technical fields, are included in the scope of the present invention.
Claims (10)
1. A voice control method of an air conditioner, characterized by comprising the steps of:
receiving a voice signal, and determining the position information of the voice signal;
processing at least one of the voice signals of which the position information is in a first area and the voice signals of which the position information is in a second area so that the energy of the voice signals in the first area is larger than that of the voice signals in the second area, wherein the action space of the air conditioner comprises the first area and the second area;
and recognizing a voice control instruction of the processed voice signal so as to respond to the voice control instruction.
2. The voice control method of an air conditioner according to claim 1, wherein the step of processing the voice signals of which the position information is in the first area and in the second area includes:
reducing the energy of the voice signal of which the position information is in the second area; and/or
Increasing the energy of the speech signal of which the position information is in the first region.
3. The voice control method of an air conditioner according to claim 1, wherein the step of receiving a voice signal, determining location information where the voice signal is located, comprises:
receiving a voice signal, and processing the voice signal output by each microphone in a microphone array based on a wave velocity forming algorithm to obtain a wave beam of the voice signal;
and determining the direction of the voice signal according to the beam, wherein the position information comprises the direction of the voice signal.
4. The voice control method of an air conditioner according to any one of claims 1 to 3, characterized in that the voice control method of an air conditioner comprises:
when the first area setting operation is detected, acquiring the flow of people in the action space of the air conditioner;
and setting the first area according to the pedestrian volume, wherein the second area is other than the first area, and the pedestrian volume of the first area is smaller than that of the second area.
5. The voice control method of an air conditioner according to claim 4, wherein the step of setting the first area according to the flow rate of the person includes:
comparing the flow of people of at least two sub-areas divided based on the action space of the air conditioner;
and setting the sub-area with the minimum pedestrian volume as the first area, so that the pedestrian volume of the first area is smaller than that of the second area, and the first area is smaller than the second area.
6. The voice control method of an air conditioner according to claim 1, wherein the voice control method of an air conditioner comprises:
when the first area setting operation is detected, detecting an area corresponding to the position of a user, wherein the action space of the air conditioner is divided into at least two areas;
setting the region as the first region.
7. The voice control method of an air conditioner according to any one of claims 1 to 3, wherein the step of recognizing the voice control command of the processed voice signal in response to the voice control command comprises:
filtering the processed voice signal to obtain a target voice signal within a preset frequency band range;
and acquiring a voice control instruction corresponding to the target voice signal so as to respond to the voice control instruction.
8. The voice control method of an air conditioner according to claim 7, wherein the step of extracting a voice control instruction based on the target voice signal includes:
when the target voice signals comprise a plurality of target voice signals, extracting a voice control instruction corresponding to the target voice signal with the maximum signal energy;
or extracting a voice control instruction corresponding to a target voice signal closest to the air conditioner;
or extracting the voice control instruction corresponding to the target voice signal matched with the preset voice control instruction.
9. An air conditioner, characterized in that the air conditioner comprises a memory, a processor, and a voice control program stored in the memory and executable on the processor, the voice control program, when executed by the processor, implementing the steps of the voice control method of the air conditioner according to any one of claims 1 to 8.
10. A storage medium characterized in that the storage medium stores a voice control program which, when executed by a processor, realizes each step of the voice control method of an air conditioner according to any one of claims 1 to 8.
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