CN111442490B - Air conditioner and control method thereof - Google Patents
Air conditioner and control method thereof Download PDFInfo
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- CN111442490B CN111442490B CN202010275145.8A CN202010275145A CN111442490B CN 111442490 B CN111442490 B CN 111442490B CN 202010275145 A CN202010275145 A CN 202010275145A CN 111442490 B CN111442490 B CN 111442490B
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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
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
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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
- F24F2120/00—Control inputs relating to users or occupants
- F24F2120/10—Occupancy
- F24F2120/14—Activity of occupants
Abstract
The invention provides an air conditioner and a control method thereof, and relates to an intelligent air conditioner. The control method of the invention comprises the following steps: when detecting that a trigger signal for indicating playing of an audio-video file exists in a space where an indoor unit of an air conditioner is located, acquiring sign information of a user; judging the reflecting state of the user on the audio-video file according to the physical sign information of the user; and after the reflection state of the user indicates that the user enters the film watching state, intelligently adjusting the air conditioner according to the content of the video file. On one hand, the adjusted space environment can be adapted to the content of the video and audio file, and the user can experience a more vivid video watching effect; on the other hand, the intelligent adjustment of the air conditioner increases the interaction process with the user, avoids the trouble brought to the user by the adjustment operation of the air conditioner according to the video and audio content when the user is in a non-film watching state, and improves the use experience of the user.
Description
Technical Field
The invention relates to an intelligent air conditioner, in particular to an air conditioner and a control method thereof.
Background
Today, only the smart television really serves as a popular recreation tool to bring entertainment experience to the family, and other household appliances cannot well interpret the concept of man-machine interaction due to the limitation of functions and structures of the household appliances. For example, people usually think of using an air conditioner only in hot and cold summer months, and the air conditioner is idle most of the other time. That is, the air conditioner is basically used only as a type of temperature regulator.
For this reason, an air conditioner has appeared in the prior art, which can be adjusted according to the time node file corresponding to the multimedia content viewed by the user. However, the air conditioner is only corresponding to the multimedia content watched by the user, the participation degree of the user is almost zero, real man-machine interaction is not realized, and the user experience effect is poor.
Disclosure of Invention
An object of the first aspect of the present invention is to overcome at least one of the drawbacks of the prior art and to provide an air conditioner control method capable of improving the viewing effect and the use experience of a user.
Another object of the first aspect of the present invention is to improve the accuracy of identification of the user physical sign information.
It is an object of the second aspect of the present invention to provide an air conditioner that can improve the viewing effect and the use experience of the user.
According to a first aspect of the present invention, there is provided a control method of an air conditioner, comprising:
when detecting that a trigger signal for indicating playing of an audio-video file exists in a space where an indoor unit of the air conditioner is located, acquiring sign information of a user;
judging the reflecting state of the user on the audio-video file according to the sign information; and
and after the reflection state indicates that the user enters a film watching state, intelligently adjusting the air conditioner according to the content of the audio and video file.
Optionally, the step of determining, according to the sign information, a reflection state of the user on the audio-video file includes:
when the sign information meets a preset condition, judging that the reflection state of the user is a film watching state, wherein
The physical sign information at least comprises one or more of limb action information, eye state information, facial expression information and physiological characteristic information of the user.
Optionally, the step of intelligently adjusting the air conditioner according to the content of the video file includes:
identifying scene atmosphere information related in the video file;
determining the operation parameters of the air conditioner according to the scene atmosphere information; and
and intelligently adjusting the air conditioner according to the operation parameters so as to enable the environmental parameters in the space where the indoor unit is located to be matched with the scene atmosphere information.
Optionally, the step of identifying scene atmosphere information related in the video file includes:
acquiring scene data related to scene atmosphere in the video file; and
applying the acquired scene data to a scene atmosphere model to obtain scene atmosphere information matched with the scene data; wherein
The scene atmosphere model is obtained by training a data sample set formed by a large amount of scene data and scene atmosphere information.
Optionally, the audio fingerprint including the scene data is pre-embedded in the audio-video file, and the step of acquiring the scene data related to the scene atmosphere in the audio-video file includes:
acquiring a sound signal played by the video file;
extracting audio fingerprint features from the sound signal; and
and analyzing the audio fingerprint characteristics to obtain the scene data.
Optionally, the step of obtaining scene data related to scene atmosphere in the video file includes:
acquiring image information displayed by the video file;
extracting image features related to scene atmosphere from the image information; and
and processing the image characteristics to obtain the scene data.
Optionally, after the step of intelligently adjusting the air conditioner according to the content of the video file, the control method further includes:
and when detecting that a prompt signal for indicating that the user finishes watching the video exists in the space where the indoor unit is located or detecting that the user is in a non-watching state, controlling the air conditioner to recover to the operating parameters before the intelligent adjustment is carried out according to the content of the video file.
Optionally, the sign information of the user may be obtained by one or more of image recognition, infrared recognition, and a smart device worn by the user.
Optionally, the trigger signal comprises one or more of the following signals:
the starting signal of the video equipment for playing the video file;
the audio and video equipment sends out sound signals and/or image signals when starting to play the audio and video file;
and the preset signal is set for representing that the user is to play the video and audio file.
According to a second aspect of the present invention, the present invention further provides an air conditioner, comprising a control device, wherein the control device has a memory and a processor, the memory stores a control program, and the control program is used for realizing the control method of any one of the above aspects when being executed by the processor.
According to the control method of the air conditioner, the sign information of the user is obtained when the trigger signal for indicating playing of the audio-video file is detected, and the air conditioner is intelligently adjusted according to the content of the audio-video file only after the fact that the user enters the film watching state is determined according to the sign information of the user, so that on one hand, the adjusted space environment is adaptive to the content of the audio-video file, and the user can experience a more vivid film watching effect; on the other hand, the intelligent adjustment of the air conditioner increases the interaction process with the user, avoids the trouble brought to the user by the adjustment operation of the air conditioner according to the video and audio content when the user is in a non-film watching state, and improves the use experience of the user.
Furthermore, the invention judges that the user enters the film watching state when the physical sign information of the user meets the preset condition, the physical sign information of the user at least comprises one or more of the limb action information, the eye state information, the facial expression information and the physiological characteristic information of the user, and the coverage area is wider, so the judgment is more accurate.
Furthermore, the invention determines the operation parameters of the air conditioner by identifying the scene atmosphere information in the audio-video file, so that the space environment adjusted by the air conditioner is matched with the scene atmosphere of the audio-video file, thus leading a user to feel more real viewing atmosphere and more vivid viewing environment, and further improving the viewing experience of the user.
The above and other objects, advantages and features of the present invention will become more apparent to those skilled in the art from the following detailed description of specific embodiments thereof, taken in conjunction with the accompanying drawings.
Drawings
Some specific embodiments of the invention will be described in detail hereinafter, by way of illustration and not limitation, with reference to the accompanying drawings. The same reference numbers in the drawings identify the same or similar elements or components. Those skilled in the art will appreciate that the drawings are not necessarily drawn to scale. In the drawings:
fig. 1 is a schematic flowchart of a control method of an air conditioner according to an embodiment of the present invention;
fig. 2 is a schematic flow chart of an intelligent adjustment of an air conditioner according to the content of an audio-visual file in a control method according to an embodiment of the present invention;
fig. 3 is a schematic flow chart of identifying scene atmosphere information involved in an audio-visual file in a control method according to an embodiment of the present invention;
fig. 4 is a schematic flowchart of acquiring scene data related to scene atmosphere in an audio/video file in a control method according to an embodiment of the present invention;
fig. 5 is a schematic flowchart of acquiring scene data related to scene atmosphere in an audio/video file in a control method according to another embodiment of the present invention;
fig. 6 is a schematic flowchart of an air conditioner control method according to another embodiment of the present invention;
fig. 7 is a schematic structural block diagram of an air conditioner according to an embodiment of the present invention.
Detailed Description
The present invention first provides a control method of an air conditioner, and fig. 1 is a schematic flowchart of the control method of the air conditioner according to an embodiment of the present invention. The control method of the air conditioner of the invention comprises the following steps:
step S100, when a trigger signal for indicating the playing of the audio and video file exists in the space where the indoor unit of the air conditioner is located, the sign information of a user is obtained.
And step S200, judging the reflecting state of the user on the audio-video file according to the physical sign information of the user.
And step S300, after the reflection state of the user indicates that the user enters the film watching state, intelligently adjusting the air conditioner according to the content of the video file.
Here, "viewing state" means that the user is immersed in, concentrated on, or put into the video file. Accordingly, a "non-viewing state" appearing hereinafter means that the user is not immersed in or not focused or not invested in the audio-visual file.
According to the control method of the air conditioner, the sign information of the user is obtained when the trigger signal for indicating playing of the audio-video file is detected, and the air conditioner is intelligently adjusted according to the content of the audio-video file only after the fact that the user enters the film watching state is determined according to the sign information of the user, so that on one hand, the adjusted space environment is adaptive to the content of the audio-video file, and the user can experience a more vivid film watching effect; on the other hand, the intelligent adjustment of the air conditioner increases the interaction process with the user, avoids the trouble brought to the user by the adjustment operation of the air conditioner according to the video and audio content when the user is in a non-film watching state, and improves the use experience of the user. For example, although the audio-visual device is playing the audio-visual file, the user does not watch the audio-visual file at all or concentrate on other events (this phenomenon is common in people's daily life, for example, the television is playing the audio-visual file, but people concentrate on the mobile phone terminal, etc.), at this time, if the air conditioner performs intelligent adjustment according to the content of the audio-visual file, the user does not feel famous and wonderful, and may even bother the user.
In some embodiments, the step S200 of determining the reflection state of the audio-video file by the user according to the sign information of the user may specifically include:
and when the physical sign information of the user meets a preset condition, judging that the reflection state of the user is a film watching state. The physical sign information of the user at least comprises one or more of limb action information, eye state information, facial expression information and physiological characteristic information of the user, and the coverage area is wide, so that the judgment is more accurate. The preset condition may be preset in the air conditioner. The preset condition may be, for example: the limb movement information of the user comprises less limb movement, smaller movement amplitude and the like; the user gaze contained in the gaze state information of the user focuses on the screen of the audio-visual equipment, and the gaze direction is less converted; the facial expression contained in the facial expression information of the user is rich, changes are more, and the like; the physiological characteristic information of the user contains heartbeat, respiratory rate, body temperature and the like which have larger differences from normal values of the user in a living state, such as faster heartbeat, higher respiratory rate and the like.
In some alternative embodiments, the physical sign information of the user may also include other parameters of the user, such as sound information emitted by the user, and the like.
In some embodiments, the sign information of the user may be obtained by one or more of image recognition, infrared recognition, and a smart device worn by the user. For example, the limb movement information, the eye state information and the facial expression information of the user can be obtained by means of image recognition and/or infrared recognition. At this time, the indoor unit of the air conditioner can be provided with a camera device and/or an infrared device. The limb action information of the user and the physiological characteristic information of the user can be obtained through intelligent equipment worn by the user. At this moment, the air conditioner is connected with the intelligent equipment communication that the user dressed to in transmission data.
In some alternative embodiments, the physical sign information of the user can also be obtained by other ways of accurately detecting the limb movement information, the eye state information, the facial expression information or the physiological parameter information of the user.
Fig. 2 is a schematic flow chart of the intelligent adjustment of the air conditioner according to the content of the audio/video file in the control method according to an embodiment of the present invention. In some embodiments, the step S300 of intelligently adjusting the air conditioner according to the content of the av file includes:
step S310, scene atmosphere information related in the video file is identified. The scene atmosphere information may include scenes, atmospheres, natural environments, and the like in the video file. For example, a work scene, a war scene, a snow scene, a beach scene, a stressful atmosphere, a horror atmosphere, a happy atmosphere, a hot environment, a dry environment, a heavy snow environment, a rainy environment, a windy environment, and the like.
And step S320, determining the operating parameters of the air conditioner according to the scene atmosphere information. Specifically, the operation parameter of the air conditioner may include one or more of temperature, humidity, wind speed, wind direction, operation mode, and blowing mode. Wherein the operation mode can comprise a heating mode, a cooling mode, a dehumidifying mode and the like. The blowing mode may include a direct blowing mode in which air is blown against the human body and a soft mode in which air is blown away from the human body. That is, one operation parameter of the air conditioner may be determined according to the scene atmosphere information related to the audio/video file, or two or more operation parameters of the air conditioner may be determined at the same time.
And step S330, intelligently adjusting the air conditioner according to the operation parameters so as to enable the environmental parameters in the space where the indoor unit is located to be matched with the scene atmosphere information. That is, the basis for determining the operation parameters of the air conditioner is to adjust the environmental parameters in the space where the indoor unit is located to match the scene atmosphere information after the air conditioner operates according to the operation parameters. Those skilled in the art will understand that "match" herein means that the environmental parameters in the space where the indoor unit is located are consistent, consistent or close to the scene atmosphere information in the audio/video file.
The invention determines the operation parameters of the air conditioner by identifying the scene atmosphere information in the audio-video file, so that the space environment adjusted by the air conditioner is matched with the scene atmosphere of the audio-video file, thereby leading a user to feel more real viewing atmosphere and more vivid viewing environment, and further improving the viewing experience of the user.
For example, in one embodiment, when it is recognized that the scene atmosphere information in the audio-visual file includes a scene of water amusement, the operation parameter of the humidity of the air conditioner may be determined to be high humidity, so that the humidity of the airflow blown out by the air conditioner is high, so that the spatial environment of the user in reality matches with the scene of water amusement of the audio-visual file, and the user has a feeling of being personally on the scene. In another embodiment, when it is recognized that the scene atmosphere information in the audio-visual file includes a hot environment, the operation parameter of the operation mode of the air conditioner is determined as a heating mode, so that the air conditioner blows hot air, and the spatial environment of the user in the actual position is adapted to the hot environment in the audio-visual file. In another embodiment, when it is recognized that the scene atmosphere information in the av file includes a wind environment, the two operating parameters, i.e., the wind speed and the blowing mode, of the air conditioner can be determined to be a high-speed mode and a direct-blowing mode, respectively, so that the air conditioner blows an airflow with a higher speed toward the user, and the user feels the wind effect. In yet another embodiment, when it is recognized that the scene atmosphere information in the audio/video file includes a terrorist atmosphere, the operation parameter of the temperature of the air conditioner can be determined to be a low temperature, so that the temperature of the airflow blown out by the air conditioner is low, and the terrorist atmosphere in the audio/video file is adapted.
Fig. 3 is a schematic flow chart of identifying scene atmosphere information involved in an audio and video file in a control method according to an embodiment of the present invention. In some embodiments, the step S310 of identifying scene atmosphere information related to the audio/video file may specifically include:
step S312, scene data related to the scene atmosphere in the audio/video file is obtained.
Step S314, applying the acquired scene data to a scene atmosphere model to obtain scene atmosphere information matched with the scene data. The scene atmosphere model is obtained by training a data sample set formed by a large amount of scene data and scene atmosphere information. Since it is known to those skilled in the art to establish a training model by using an artificial intelligence technique and obtain output parameters corresponding to input parameters by a learning method, further description is omitted here.
Fig. 4 is a schematic flowchart of acquiring scene data related to scene atmosphere in an audio/video file in a control method according to an embodiment of the present invention. In some embodiments, the audio fingerprint containing the scene data may be pre-embedded in the video file. Specifically, the scene data may be predetermined in a manual labeling or intelligent recognition manner, and preset in the audio file in an audio fingerprint manner. Further, the step S312 of acquiring scene data related to scene atmosphere in the video file may include:
step S3121, obtaining the sound signal played by the video file. The sound signal may include a sound signal in a human body audible frequency band and may also include a sound signal in a human body inaudible frequency band.
Step S3122, extracting audio fingerprint features from the sound signal.
And S3123, analyzing the audio fingerprint characteristics to obtain scene data.
In particular, the acquired sound signal may be divided into a plurality of segments at smaller intervals, the acoustic modulation is identified by analyzing a specific segment and a discrimination vector for the specific segment is generated based on the acoustic modulation. The vector defines a unique fingerprint of a particular segment of the sound signal, i.e. an audio fingerprint feature of the particular segment. The content database is queried using the vector for the particular segment to obtain scene data that matches the audio fingerprint feature.
Since the audio fingerprinting technique applied in the above steps is known per se to those skilled in the art, it will not be described in detail here. The present embodiment improves on the use of audio fingerprinting technology to obtain scene data, which differs in functionality from the prior art.
Fig. 5 is a schematic flowchart of acquiring scene data related to scene atmosphere in an audio/video file in a control method according to another embodiment of the present invention. In other embodiments, the step S312 of acquiring scene data related to scene atmosphere in the audio/video file may also include:
step S3124, obtaining the image information displayed by the video file. This step can be realized by a camera arranged on the indoor unit of the air conditioner.
Step S3125 extracts image features related to the scene atmosphere from the image information. Specifically, the image information may be input to a trained convolutional neural network, and a matrix formed by a plurality of image features including scene atmosphere labels output by the convolutional neural network is obtained. The image features related to the scene atmosphere may be, for example, wearing, expression, posture, etc. of a person, natural environment features such as water, snow, rain, etc., auxiliary tools such as a gun, a cannon, etc.
And S3126, processing the image characteristics to obtain scene data. Specifically, after a matrix formed by a plurality of image features is acquired, the scene data can be determined in a majority voting manner. For example, the matrix is a 3 × 3 matrix, that is, the matrix includes 9 image features related to scene atmosphere, and if a scene atmosphere label of 5 or more image features among them is snow, the scene data of a snow scene is determined. Of course, the extracted image features may also be input into a preset recognition model for training to determine scene data corresponding to the image features.
It can be understood by those skilled in the art that the steps S3121, S3122, S3123, S3124, S3125, and S3126 are two parallel solutions for implementing the step S312, and there is no logical connection between the two solutions.
Fig. 6 is a schematic flowchart of an air conditioner control method according to another embodiment of the present invention. In some embodiments, after step S300 of intelligently adjusting the air conditioner according to the content of the video file, the control method of the present invention further includes:
and step S400, when a prompt signal for indicating that the user finishes watching the video is detected to exist in the space where the indoor unit is located or the user is detected to be in a non-watching state, controlling the air conditioner to recover to the operation parameters before the air conditioner is intelligently adjusted according to the content of the video file. That is to say, when the user finishes watching the movie or the user does not immerse in the watching file any more, the air conditioner automatically restores to the operation parameters before the intelligent adjustment according to the content of the video file, the user does not need to manually adjust the air conditioner, the normal use of the air conditioner by the user is not affected, and the use experience of the user and the intelligent level of the air conditioner are improved.
Specifically, the prompt signal may be a shutdown signal of an audio-video device for playing an audio-video file, a sound signal and/or an image signal emitted by the audio-video device when the audio-video file is finished playing, or another signal capable of indicating that the user finishes watching the video. Whether the user is in the non-film watching state can also be judged by acquiring the physical sign information of the user and judging the reflecting state of the user on the video and audio file according to the physical sign information of the user. The process is similar to the specific implementation process of step S200, and therefore is not described herein again.
In some embodiments, the trigger signal for indicating playback of the audio/video file may include one or more of the following signals:
a start signal of an audio-visual device for playing audio-visual files, such as a prompt sound signal or an optical signal sent out when a television or a computer is just opened;
the audio and video equipment sends out sound signals and/or image signals when starting to play audio and video files;
the preset signal for indicating that the user is to play the audio/video file may be set, for example, when the time that the user is in front of the audio/video device exceeds a preset time, the user is to play the audio/video file.
The present invention also provides an air conditioner, and fig. 7 is a schematic structural block diagram of an air conditioner according to an embodiment of the present invention. The air conditioner 1 may include a control device 600. The control device 600 includes a memory 610 and a processor 620, and a control program 630 is stored in the memory 610 and executed by the processor to implement the control method of the air conditioner according to any embodiment of the present invention. The processor 620 may be a Central Processing Unit (CPU), a digital processing unit, or the like. The processor 620 transmits and receives data through the communication interface. The memory 610 is used to store programs executed by the processor 620. The memory 610 is any medium that can be used to carry or store desired program code in the form of instructions or data structures and that can be accessed by a computer, or a combination of memories. The control program 630 may be downloaded from a computer-readable storage medium to a corresponding computing/processing device or via a network (e.g., the internet, a local area network, a wide area network, and/or a wireless network) to a computer or an external storage device.
Thus, it should be appreciated by those skilled in the art that while a number of exemplary embodiments of the invention have been illustrated and described in detail herein, many other variations or modifications consistent with the principles of the invention may be directly determined or derived from the disclosure of the present invention without departing from the spirit and scope of the invention. Accordingly, the scope of the invention should be understood and interpreted to cover all such other variations or modifications.
Claims (9)
1. A control method of an air conditioner, comprising:
when detecting that a trigger signal for indicating playing of an audio-video file exists in a space where an indoor unit of the air conditioner is located, acquiring sign information of a user;
judging the reflecting state of the user on the audio-video file according to the sign information; and
after the reflection state indicates that the user enters a film watching state, intelligently adjusting the air conditioner according to the content of the audio and video file; wherein
The step of intelligently adjusting the air conditioner according to the content of the video file comprises the following steps:
identifying scene atmosphere information related in the video file;
determining the operation parameters of the air conditioner according to the scene atmosphere information; and
and intelligently adjusting the air conditioner according to the operation parameters so as to enable the environmental parameters in the space where the indoor unit is located to be matched with the scene atmosphere information.
2. The control method according to claim 1, wherein the step of determining the reflection state of the user on the video and audio file according to the sign information includes:
when the sign information meets a preset condition, judging that the reflection state of the user is a film watching state, wherein
The physical sign information at least comprises one or more of limb action information, eye state information, facial expression information and physiological characteristic information of the user.
3. The control method of claim 1, wherein the step of identifying scene atmosphere information involved in the audio-visual file comprises:
acquiring scene data related to scene atmosphere in the video file; and
applying the acquired scene data to a scene atmosphere model to obtain scene atmosphere information matched with the scene data; wherein
The scene atmosphere model is obtained by training a data sample set formed by a large amount of scene data and scene atmosphere information.
4. The control method according to claim 3,
the audio fingerprint containing the scene data is pre-embedded in the audio-video file, and the step of acquiring the scene data related to the scene atmosphere in the audio-video file comprises the following steps:
acquiring a sound signal played by the video file;
extracting audio fingerprint features from the sound signal; and
and analyzing the audio fingerprint characteristics to obtain the scene data.
5. The control method according to claim 3, wherein the step of acquiring scene data related to scene atmosphere in the video file comprises:
acquiring image information displayed by the video file;
extracting image features related to scene atmosphere from the image information; and
and processing the image characteristics to obtain the scene data.
6. The control method according to claim 1, wherein after the step of intelligently adjusting the air conditioner according to the contents of the av file, the control method further comprises:
and when detecting that a prompt signal for indicating that the user finishes watching the video exists in the space where the indoor unit is located or detecting that the user is in a non-watching state, controlling the air conditioner to recover to the operating parameters before the intelligent adjustment is carried out according to the content of the video file.
7. The control method according to claim 1,
the sign information of the user can be obtained through one or more modes of image recognition, infrared recognition and intelligent equipment worn by the user.
8. The control method of claim 1, wherein the trigger signal comprises one or more of:
the starting signal of the video equipment for playing the video file;
the audio and video equipment sends out sound signals and/or image signals when starting to play the audio and video file;
and the preset signal is set for representing that the user is to play the video and audio file.
9. An air conditioner comprising a control device having a memory and a processor, the memory having stored therein a control program for implementing the control method according to any one of claims 1-8 when executed by the processor.
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