CN110349589A - A kind of control method of intelligent appliance and intelligent appliance - Google Patents
A kind of control method of intelligent appliance and intelligent appliance Download PDFInfo
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- CN110349589A CN110349589A CN201910630162.6A CN201910630162A CN110349589A CN 110349589 A CN110349589 A CN 110349589A CN 201910630162 A CN201910630162 A CN 201910630162A CN 110349589 A CN110349589 A CN 110349589A
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- 230000001755 vocal effect Effects 0.000 abstract 3
- 239000002184 metal Substances 0.000 description 8
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- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D29/00—Arrangement or mounting of control or safety devices
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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
- G10L17/00—Speaker identification or verification techniques
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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
- G10L17/00—Speaker identification or verification techniques
- G10L17/22—Interactive procedures; Man-machine interfaces
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- Human Computer Interaction (AREA)
- Health & Medical Sciences (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Combustion & Propulsion (AREA)
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- Cold Air Circulating Systems And Constructional Details In Refrigerators (AREA)
Abstract
The present invention provides the control method of a kind of intelligent appliance and intelligent appliance, which includes: speech recognition module, voiceprint identification module, central processing module；Wherein, the current command word for identifying the current command word from the voice messaging that user inputs, and is sent to the central processing module by the speech recognition module；The voiceprint identification module, the corresponding current vocal print characteristic of the voice messaging for identification, and the current vocal print characteristic is sent to the central processing module；The central processing module, for verifying whether the user is registration user, if it is, controlling the working condition of the intelligent appliance ontology locating for itself according to the current command word according to the current vocal print characteristic.This programme can improve user experience.
Description
Technical Field
The invention relates to the technical field of computers, in particular to an intelligent household appliance and a control method of the intelligent household appliance.
Background
With the development of computer technology, intelligent household appliances have gone into thousands of households, and great convenience is brought to the life of people.
At present, the intelligent household appliances mostly adopt an automatic door opening and closing technology, for example, an intelligent refrigerator adopting the automatic door opening and closing technology can control the opening and closing of a refrigerator door according to a voice instruction of a user. However, the problem that a child automatically controls the opening and closing of the door according to the voice instruction also causes problems, for example, the child may cause the frosting of the refrigerator or the deterioration of food and the like because the child imitates an adult to control the opening of the intelligent refrigerator door in curiosity but does not close the refrigerator door in time, thereby reducing the experience of the user on the automatic opening and closing of the door.
Disclosure of Invention
The embodiment of the invention provides an intelligent household appliance and a control method of the intelligent household appliance, which can improve user experience.
In a first aspect, an embodiment of the present invention provides an intelligent home appliance, including: the voice recognition module, the voiceprint recognition module and the central processing module; wherein,
the voice recognition module is used for recognizing a current command word from voice information input by a user and sending the current command word to the central processing module;
the voiceprint recognition module is used for recognizing the current voiceprint characteristics corresponding to the voice information and sending the current voiceprint characteristics to the central processing module;
and the central processing module is used for verifying whether the user is a registered user or not according to the current voiceprint characteristic, and if so, controlling the working state of the intelligent household appliance body in which the central processing module is positioned according to the current command word.
Preferably, the first and second electrodes are formed of a metal,
the central processing module is further used for setting command words corresponding to the door opening state and/or the door closing state respectively; and when the current command word is the same as the command word corresponding to the door opening state or the door closing state, controlling the door body of the intelligent refrigerator body to be opened or closed according to the current command word.
Preferably, the first and second electrodes are formed of a metal,
further comprising: a registration module that, where,
the registration module is used for outputting registration prompt information according to the registration request when receiving the registration request, acquiring registration voice information input by a user according to the registration prompt information, determining whether a target field identical to a preset registration field exists in the registration voice information, and if so, determining the registration voiceprint characteristics of the user according to the registration voice information and a preset acoustic model;
the central processing module is used for determining whether the current voiceprint characteristics are matched with the registered voiceprint characteristics, and if so, determining that the user is a registered user.
Preferably, the first and second electrodes are formed of a metal,
the central processing module is configured to determine a first voiceprint curve corresponding to the current voiceprint characteristic and a second voiceprint curve corresponding to the registered voiceprint characteristic, calculate a difference value between the first voiceprint curve and the second voiceprint curve, and determine that the current voiceprint characteristic matches the registered voiceprint characteristic when the difference value is smaller than a preset threshold value.
Preferably, the first and second electrodes are formed of a metal,
the central processing module is used for calculating a difference value between the first voiceprint curve and the second voiceprint curve by using the following calculation formula;
wherein K characterizes the difference value, f1(x) characterizes the first voiceprint curve, and f2(x) characterizes the second voiceprint curve.
Preferably, the first and second electrodes are formed of a metal,
further comprising: an electromagnet and a spring; wherein,
one end of the spring is connected with the intelligent refrigerator body, and the other end of the spring is connected with the door body;
and the central processing module is used for controlling the electromagnet to be electrified according to the current command word so as to apply driving force to the spring by utilizing the electrified electromagnet, drive the spring to extend and push the door body open by utilizing the extended spring.
In a second aspect, an embodiment of the present invention provides a method for controlling any one of the above intelligent home appliances, including:
recognizing a current command word from voice information input by a user;
identifying the current voiceprint characteristic corresponding to the voice information;
and verifying whether the user is a registered user or not according to the current voiceprint characteristics, and if so, controlling the working state of the intelligent household appliance body in which the user is located according to the current command word.
Preferably, the first and second electrodes are formed of a metal,
further comprising: setting command words corresponding to the door opening state and/or the door closing state respectively;
according to the current command word, the working state of the intelligent household appliance body where the intelligent household appliance body is controlled comprises the following steps:
and when the current command word is the same as the command word corresponding to the door opening state or the door closing state, controlling the door body of the intelligent refrigerator body to be opened or closed according to the current command word.
Preferably, the first and second electrodes are formed of a metal,
further comprising:
when a registration request is received, outputting registration prompt information according to the registration request;
acquiring registration voice information input by a user according to the registration prompt information;
determining whether a target field identical to a preset registration field exists in the registration voice information, if so, determining the registration voiceprint characteristics of the user according to the registration voice information and a preset acoustic model;
the verifying whether the user is a registered user according to the current voiceprint characteristics comprises:
and determining whether the current voiceprint characteristics are matched with the registered voiceprint characteristics, and if so, determining that the user is a registered user.
Preferably, the first and second electrodes are formed of a metal,
said determining whether said current voiceprint characteristics match said registered voiceprint characteristics comprises:
determining a first voiceprint curve corresponding to the current voiceprint characteristic and a second voiceprint curve corresponding to the registered voiceprint characteristic;
calculating a difference value between the first voiceprint curve and the second voiceprint curve by using the following calculation formula, and when the difference value is smaller than a preset threshold value, determining that the current voiceprint characteristic is matched with the registered voiceprint characteristic;
wherein K characterizes the difference value, f1(x) characterizes the first voiceprint curve, and f2(x) characterizes the second voiceprint curve.
The embodiment of the invention provides an intelligent household appliance and a control method thereof, which can identify a current command word from voice information input by a user, identify the current voiceprint characteristic corresponding to the voice information, verify whether the user is a registered user according to the current voiceprint characteristic, and control the working state of an intelligent household appliance body according to the current command word when the user is verified to be the registered user. Therefore, the intelligent household appliance can be prevented from being controlled by children or other unregistered users by mistake, and the user experience is improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of an intelligent home appliance according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of an intelligent home appliance according to another embodiment of the present invention;
fig. 3 is a flowchart of an intelligent household appliance control method according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer and more complete, the technical solutions in the embodiments of the present invention will be described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention, and based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the scope of the present invention.
As shown in fig. 1, an embodiment of the present invention provides an intelligent home appliance, including: a voice recognition module 101, a voiceprint recognition module 102 and a central processing module 103; wherein,
the voice recognition module 101 is configured to recognize a current command word from voice information input by a user, and send the current command word to the central processing module 103;
the voiceprint recognition module 102 is configured to recognize a current voiceprint characteristic corresponding to the voice information, and send the current voiceprint characteristic to the central processing module 103;
and the central processing module 103 is configured to verify whether the user is a registered user according to the current voiceprint characteristic, and if so, control a working state of the intelligent household appliance body where the user is located according to the current command word.
In the above embodiment, the current command word may be recognized from the voice information input by the user, the current voiceprint characteristic corresponding to the voice information may be recognized, then, whether the user is a registered user may be verified according to the current voiceprint characteristic, and when the user is verified to be a registered user, the working state of the intelligent home appliance body may be controlled according to the current command word. Therefore, the intelligent household appliance can be prevented from being controlled by children or other unregistered users by mistake, and the user experience is improved.
The central processing module can control various working states of the intelligent household appliance body according to the current command words, and the central processing module can control the intelligent refrigerator to automatically open and close a door, adjust a refrigerator mode, adjust the temperature of the refrigerator and the like according to the current command words by taking the intelligent household appliance as an example of the intelligent refrigerator.
In an embodiment of the present invention, the central processing module 103 is further configured to set command words corresponding to the door opening state and/or the door closing state respectively; and when the current command word is the same as the command word corresponding to the door opening state or the door closing state, controlling the door body of the intelligent refrigerator body to be opened or closed according to the current command word.
Taking the control of automatically opening the door body of the intelligent refrigerator as an example, the command word corresponding to the door opening state can be preset as "opening the cold storage door" or "opening the freezing door", and when the current command word included in the voice information input by the user is "opening the cold storage door" and the user is a registered user, the central processing module controls the cold storage door of the intelligent refrigerator to be automatically opened.
In an embodiment of the present invention, the intelligent home appliance may further include: an electromagnet and a spring; one end of the spring is connected with the intelligent refrigerator body, and the other end of the spring is connected with the door body; the central processing module 103 is configured to control the electromagnet to be powered on according to the current command word, so that the powered electromagnet applies a driving force to the spring to drive the spring to extend, and the extended spring is used to push the door body open.
When the central processing module verifies that the current command word is the same as the command word of the door opening state, the external coil is changed into an electromagnet to attract the internal armature by utilizing the electromagnet principle after the central processing module is electrified, then the spring extends to generate a proper impulse to push the door body of the intelligent refrigerator open, and the central processing module can adjust the impulse by adjusting a proper voltage or current signal so as to push the door body of the intelligent refrigerator open by utilizing the proper impulse. Correspondingly, when the current command word is the same as the command word in the door closing state, the electromagnet is powered off, and the spring is changed from the extension state to the normal state or the contraction state at the moment, so that the armature is pulled back by the spring, and the door closing of the intelligent refrigerator is realized.
In order to accurately determine whether the user inputting the voice information is a registered user, in an embodiment of the present invention, as shown in fig. 2, the intelligent appliance may further include: the registration module 201, in which,
the registration module 201 is configured to, when a registration request is received, output registration prompt information according to the registration request, acquire registration voice information input by a user according to the registration prompt information, determine whether a target field identical to a preset registration field exists in the registration voice information, and if so, determine a registration voiceprint characteristic of the user according to the registration voice information and a preset acoustic model;
the central processing module 103 is configured to determine whether the current voiceprint characteristic matches the registered voiceprint characteristic, and if so, determine that the user is a registered user.
Still taking an intelligent household appliance as an example of an intelligent refrigerator, when a user registers for the intelligent refrigerator for the first time, firstly, inputting voice information including voiceprint registration to the intelligent refrigerator to input a registration request to a registration module of the intelligent refrigerator, and then, the registration module outputs corresponding registration prompt information according to the input request of the user, wherein the registration prompt information may be a preset fixed statement, for example, the registration prompt information is "please repeat voiceprint registration twice", the registration prompt information includes a registration field to enable the user to input the registration voice information including the registration field according to the registration prompt information, and in this example, the registration field is "voiceprint registration". After receiving the registration prompt message, the user inputs the registration voice message according to the registration prompt message, in this example, the user repeatedly inputs the voice of "voiceprint registration" twice.
Then, the registration module determines whether the registration voice information input by the user has the registration voice information with the same preset registration field, if so, the registration voice information input by the user is indicated to meet the requirement, and the registration is allowed for the user. When the user is registered, the registered voiceprint characteristics of the user are determined according to the registered voice information input by the user and a preset acoustic model, and then the corresponding relation between the registered information (user name and the like) of the user and the registered voiceprint characteristics is established, so that the user registration is completed. When the user inputs the voice information again, whether the current voiceprint characteristic of the user is matched with the registered voiceprint characteristic of the user can be determined, and if the current voiceprint characteristic of the user is matched with the registered voiceprint characteristic of the user, whether the user is a registered user can be accurately verified. Therefore, when the user registers, the registered voiceprint characteristic of the user is determined, and when the user controls the intelligent household appliance through voice information, whether the user is a registered user can be accurately verified according to the current voiceprint characteristic and the registered voiceprint characteristic of the user, so that the control accuracy of the intelligent household appliance is improved, and the user experience is further improved.
In an embodiment of the present invention, the central processing module 103 is configured to determine a first voiceprint curve corresponding to the current voiceprint characteristic and a second voiceprint curve corresponding to the registered voiceprint characteristic, calculate a difference value between the first voiceprint curve and the second voiceprint curve, and determine that the current voiceprint characteristic matches the registered voiceprint characteristic when the difference value is smaller than a preset threshold.
Specifically, the central processing module 103 may calculate a difference value between the first voiceprint curve and the second voiceprint curve by using the following calculation formula;
wherein K characterizes the difference value, f1(x) characterizes the first voiceprint curve, and f2(x) characterizes the second voiceprint curve.
And determining whether the current voiceprint characteristic is matched with the registered voiceprint characteristic or not by determining a first voiceprint curve of the current voiceprint characteristic and a second voiceprint curve corresponding to the registered voiceprint characteristic and accurately calculating a difference value between the first voiceprint curve and the second voiceprint curve by using the calculation formula. Therefore, the accuracy of determining the matching degree of the current voiceprint characteristic and the registered voiceprint characteristic is improved through accurate difference value calculation, so that the accuracy of controlling the intelligent household appliance is further improved, and the user experience is further improved.
As shown in fig. 3, an embodiment of the present invention provides a method for controlling any one of the above-mentioned intelligent appliances, where the method includes the following steps:
step 301: recognizing a current command word from voice information input by a user;
step 302: identifying the current voiceprint characteristic corresponding to the voice information;
step 303: and verifying whether the user is a registered user or not according to the current voiceprint characteristics, and if so, controlling the working state of the intelligent household appliance body in which the user is located according to the current command word.
In one embodiment of the present invention, the method may further comprise: setting command words corresponding to the door opening state and/or the door closing state respectively;
according to the current command word, the working state of the intelligent household appliance body where the intelligent household appliance body is controlled comprises the following steps:
and when the current command word is the same as the command word corresponding to the door opening state or the door closing state, controlling the door body of the intelligent refrigerator body to be opened or closed according to the current command word.
In one embodiment of the present invention, the method may further comprise:
when a registration request is received, outputting registration prompt information according to the registration request;
acquiring registration voice information input by a user according to the registration prompt information;
determining whether a target field identical to a preset registration field exists in the registration voice information, if so, determining the registration voiceprint characteristics of the user according to the registration voice information and a preset acoustic model;
the verifying whether the user is a registered user according to the current voiceprint characteristics comprises:
and determining whether the current voiceprint characteristics are matched with the registered voiceprint characteristics, and if so, determining that the user is a registered user.
In an embodiment of the present invention, the determining whether the current voiceprint characteristics match the registered voiceprint characteristics includes:
determining a first voiceprint curve corresponding to the current voiceprint characteristic and a second voiceprint curve corresponding to the registered voiceprint characteristic;
calculating a difference value between the first voiceprint curve and the second voiceprint curve by using the following calculation formula, and when the difference value is smaller than a preset threshold value, determining that the current voiceprint characteristic is matched with the registered voiceprint characteristic;
wherein K characterizes the difference value, f1(x) characterizes the first voiceprint curve, and f2(x) characterizes the second voiceprint curve.
Because the information interaction, execution process and other contents among the steps in the method are based on the same concept as the system embodiment of the present invention, specific contents can be referred to the description in the system embodiment of the present invention, and are not described herein again.
The embodiment of the invention provides a readable medium which comprises an execution instruction, wherein when a processor of a storage controller executes the execution instruction, the storage controller executes the control method of any intelligent household appliance provided by the embodiment of the invention.
An embodiment of the present invention provides a storage controller, including: a processor, a memory, and a bus;
the memory is used for storing an execution instruction, the processor is connected with the memory through the bus, and when the memory controller runs, the processor executes the execution instruction stored in the memory, so that the memory controller executes the control method of any intelligent household appliance provided by the embodiment of the invention.
The embodiments of the invention have at least the following beneficial effects:
1. in the embodiment of the invention, the current command word can be identified from the voice information input by the user, the current voiceprint characteristic corresponding to the voice information is identified, then whether the user is a registered user can be verified according to the current voiceprint characteristic, and when the user is verified to be the registered user, the working state of the intelligent household appliance body is controlled according to the current command word. Therefore, the intelligent household appliance can be prevented from being controlled by children or other unregistered users by mistake, and the user experience is improved.
2. In the embodiment of the invention, the registered voiceprint characteristic of the user is determined during the registration of the user, and when the user controls the intelligent household appliance through the voice information, whether the user is the registered user can be accurately verified according to the current voiceprint characteristic and the registered voiceprint characteristic of the user, so that the control accuracy of the intelligent household appliance is improved, and the user experience is further improved.
3. In the embodiment of the invention, whether the current voiceprint characteristic is matched with the registered voiceprint characteristic is determined by determining the first voiceprint curve of the current voiceprint characteristic and the second voiceprint curve corresponding to the registered voiceprint characteristic and accurately calculating the difference value between the first voiceprint curve and the second voiceprint curve by using the calculation formula. Therefore, the accuracy of determining the matching degree of the current voiceprint characteristic and the registered voiceprint characteristic is improved through accurate difference value calculation, so that the accuracy of controlling the intelligent household appliance is further improved, and the user experience is further improved.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, 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 other like elements in a process, method, article, or apparatus that comprises the element.
Finally, it is to be noted that: the above description is only a preferred embodiment of the present invention, and is only used to illustrate the technical solutions of the present invention, and not to limit the protection scope of the present invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention shall fall within the protection scope of the present invention.
Claims (10)
1. An intelligent appliance, comprising: the voice recognition module, the voiceprint recognition module and the central processing module; wherein,
the voice recognition module is used for recognizing a current command word from voice information input by a user and sending the current command word to the central processing module;
the voiceprint recognition module is used for recognizing the current voiceprint characteristics corresponding to the voice information and sending the current voiceprint characteristics to the central processing module;
and the central processing module is used for verifying whether the user is a registered user or not according to the current voiceprint characteristic, and if so, controlling the working state of the intelligent household appliance body in which the central processing module is positioned according to the current command word.
2. The intelligent appliance of claim 1, further comprising: a registration module that, where,
the registration module is used for outputting registration prompt information according to the registration request when receiving the registration request, acquiring registration voice information input by a user according to the registration prompt information, determining whether a target field identical to a preset registration field exists in the registration voice information, and if so, determining the registration voiceprint characteristics of the user according to the registration voice information and a preset acoustic model;
the central processing module is used for determining whether the current voiceprint characteristics are matched with the registered voiceprint characteristics, and if so, determining that the user is a registered user.
3. The intelligent appliance of claim 2,
the central processing module is configured to determine a first voiceprint curve corresponding to the current voiceprint characteristic and a second voiceprint curve corresponding to the registered voiceprint characteristic, calculate a difference value between the first voiceprint curve and the second voiceprint curve, and determine that the current voiceprint characteristic matches the registered voiceprint characteristic when the difference value is smaller than a preset threshold value.
4. The intelligent appliance of claim 3,
the central processing module is used for calculating a difference value between the first voiceprint curve and the second voiceprint curve by using the following calculation formula;
wherein K characterizes the difference value, f1(x) characterizes the first voiceprint curve, and f2(x) characterizes the second voiceprint curve.
5. The intelligent appliance of claim 1,
the central processing module is further used for setting command words corresponding to the door opening state and/or the door closing state respectively; and when the current command word is the same as the command word corresponding to the door opening state or the door closing state, controlling the door body of the intelligent refrigerator body to be opened or closed according to the current command word.
6. The intelligent appliance of claim 5, further comprising: an electromagnet and a spring; wherein,
one end of the spring is connected with the intelligent refrigerator body, and the other end of the spring is connected with the door body;
and the central processing module is used for controlling the electromagnet to be electrified according to the current command word so as to apply driving force to the spring by utilizing the electrified electromagnet, drive the spring to extend and push the door body open by utilizing the extended spring.
7. The method for controlling an intelligent home appliance according to any one of claims 1 to 6, comprising:
recognizing a current command word from voice information input by a user;
identifying the current voiceprint characteristic corresponding to the voice information;
and verifying whether the user is a registered user or not according to the current voiceprint characteristics, and if so, controlling the working state of the intelligent household appliance body in which the user is located according to the current command word.
8. The method of claim 7,
further comprising: setting command words corresponding to the door opening state and/or the door closing state respectively;
according to the current command word, the working state of the intelligent household appliance body where the intelligent household appliance body is controlled comprises the following steps:
and when the current command word is the same as the command word corresponding to the door opening state or the door closing state, controlling the door body of the intelligent refrigerator body to be opened or closed according to the current command word.
9. The method of claim 7,
further comprising:
when a registration request is received, outputting registration prompt information according to the registration request;
acquiring registration voice information input by a user according to the registration prompt information;
determining whether a target field identical to a preset registration field exists in the registration voice information, if so, determining the registration voiceprint characteristics of the user according to the registration voice information and a preset acoustic model;
the verifying whether the user is a registered user according to the current voiceprint characteristics comprises:
and determining whether the current voiceprint characteristics are matched with the registered voiceprint characteristics, and if so, determining that the user is a registered user.
10. The method of claim 9,
said determining whether said current voiceprint characteristics match said registered voiceprint characteristics comprises:
determining a first voiceprint curve corresponding to the current voiceprint characteristic and a second voiceprint curve corresponding to the registered voiceprint characteristic;
calculating a difference value between the first voiceprint curve and the second voiceprint curve by using the following calculation formula, and when the difference value is smaller than a preset threshold value, determining that the current voiceprint characteristic is matched with the registered voiceprint characteristic;
wherein K characterizes the difference value, f1(x) characterizes the first voiceprint curve, and f2(x) characterizes the second voiceprint curve.
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| CN111883141A (en) * | 2020-07-27 | 2020-11-03 | 李林林 | A text semi-correlated voiceprint recognition method and system |
| CN112000032A (en) * | 2020-09-07 | 2020-11-27 | 合肥梅洛尼智能科技有限公司 | Unmanned aerial vehicle operation interface's domestic appliance |
| CN115567336A (en) * | 2022-09-28 | 2023-01-03 | 四川启睿克科技有限公司 | Smart home based wake-up-free voice control system and method |
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