CN107863105A - A kind of speech control system for smart home - Google Patents
A kind of speech control system for smart home Download PDFInfo
- Publication number
- CN107863105A CN107863105A CN201711179710.5A CN201711179710A CN107863105A CN 107863105 A CN107863105 A CN 107863105A CN 201711179710 A CN201711179710 A CN 201711179710A CN 107863105 A CN107863105 A CN 107863105A
- Authority
- CN
- China
- Prior art keywords
- terminal device
- pick
- facility
- control instruction
- gateway
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Classifications
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
- G10L15/00—Speech recognition
- G10L15/22—Procedures used during a speech recognition process, e.g. man-machine dialogue
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
- H04L12/2803—Home automation networks
- H04L12/2816—Controlling appliance services of a home automation network by calling their functionalities
- H04L12/282—Controlling appliance services of a home automation network by calling their functionalities based on user interaction within the home
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
- H04L12/2803—Home automation networks
- H04L12/2816—Controlling appliance services of a home automation network by calling their functionalities
- H04L12/2821—Avoiding conflicts related to the use of home appliances
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
- G10L15/00—Speech recognition
- G10L15/22—Procedures used during a speech recognition process, e.g. man-machine dialogue
- G10L2015/223—Execution procedure of a spoken command
Abstract
The present invention relates to electronic information technical field, a kind of especially speech control system for smart home, terminal device including gateway and access gateway, the intelligent domestic system also includes the pick up facility for being installed in diverse location and is used to parse the voice signal that corresponding pick up facility collects and sends control instruction to corresponding terminal device by gateway according to analysis result with the one-to-one voice device of each pick up facility, the voice device.The present invention is reasonable in design, multiple pick up facilities and corresponding voice device are set using distributed way, can ensure the voice signals of different zones can normal acquisition arrive, and voice device is independently arranged for each pick up facility, avoid interfering the reliability for improving control between the voice signal that multiple speech ciphering equipments collect.
Description
Technical field
The present invention relates to electronic information technical field, especially a kind of speech control system for smart home.
Background technology
The control mode of intelligent domestic system is in the traditional pattern of comparison at present, there is following three types：Panel
Control, touch-screen control, third party's panel control (smart mobile phone, tablet personal computer etc.).Wherein third party's panel control is
By its is easy to control, can the advantage such as remote operation, increasingly received by users.Meanwhile with science and technology
Continue to develop, the Voice command mode based on cloud computing and speech recognition technology is also appeared among the visual field of people.
Voice control technology can allow user on man-machine communication interface, directly so that voice is operated and ignores panel
In the presence of allowing user really to enjoy the intelligent simple life brought.Then being carried on third party's panel a can be carried out
The software of speech recognition, user just can pass through all devices in the whole intelligent domestic system of Voice command.
Due to needing by third party, and the third party for that can install the similar electronics such as APP smart mobile phone by producing
Product, in use, needing into APP operate and could realize, operation is comparatively laborious, and efficiency is low, does not liberate to greatest extent
User, it is particularly unsuitable for old user.
The content of the invention
The invention aims to overcome above-mentioned technical disadvantages to provide a kind of speech control system for smart home.
The present invention solve the technical scheme that uses of technical problem for：A kind of speech control system for smart home, bag
Include gateway and the terminal device of access gateway, the intelligent domestic system also include being installed in the pick up facility of diverse location with
And it is used to parse what corresponding pick up facility collected with the one-to-one voice device of each pick up facility, the voice device
Voice signal simultaneously sends control instruction by gateway according to analysis result to corresponding terminal device.
Preferably, the voice device includes：
Semantic resolution unit, the voice signal for being collected to pick up facility carry out semantic parsing and obtain corresponding language
Justice；
Keyword extracting unit, for carrying out keyword extraction to described semanteme using default dictionary；
Matching judgment unit, for judging to whether there is position, terminal device title and terminal in the keyword that extracts
Equipment operation simultaneously exports corresponding judged result；
Instruction sending unit, the judged result for being exported in the matching judgment unit be in the presence of by position, terminal
Device name and terminal device operation are packaged into corresponding control instruction and sent by gateway to corresponding terminal device to control
Make the terminal device.
Preferably, described dictionary includes position dictionary, terminal device title dictionary and terminal function operation word
Storehouse；The keyword extracting unit is using default dictionary to being proceeded as follows during described semantic progress keyword extraction：
The semanteme being resolved to and position dictionary, terminal device title dictionary and terminal function operation dictionary are carried out
Compare and operated with respectively obtaining position, terminal device title and terminal device.
Preferably, the gateway record has the position that each pick up facility and terminal device that access the gateway are installed.
Preferably, the gateway receives the control for controlling same terminal device from different phonetic device and referred to simultaneously
When making, according to the position relationship of pick up facility corresponding to the terminal device and each voice device, the control instruction that will be received
It is sent to the terminal device.
As a kind of implementation, gateway pick up facility according to corresponding to the terminal device and each control instruction
Position relationship performs following operation when the control instruction of formation is sent into the terminal device：
According to the position of pick up facility corresponding to the terminal device and each control instruction calculate respectively the terminal device with
The distance of pick up facility corresponding to each control instruction, the priority of each control instruction is set according to distance, and distance is got over
Nearly priority is higher, and each bar control instruction then is sent into the terminal device successively according to priority.
Alternatively implementation, gateway pickup according to corresponding to the terminal device and each control instruction are set
Standby position relationship performs following operation when the control instruction of formation is sent into the terminal device：
According to the position of pick up facility corresponding to the terminal device and each control instruction calculate respectively the terminal device with
The distance of pick up facility corresponding to each control instruction, this is sent to by control instruction corresponding to closest pick up facility
Terminal device.
Beneficial effect is possessed by the present invention：Multiple pick up facilities and corresponding voice dress are set using distributed way
Put, can ensure the voice signals of different zones can normal acquisition arrive, and be independently arranged voice for each pick up facility
Device, interfering between the voice signal that multiple speech ciphering equipments collect is avoided, improves the reliability of control.
Brief description of the drawings
Accompanying drawing 1 is the structural representation of the present invention.
Accompanying drawing 2 is the structured flowchart based on voice module in distributed sound control of the present embodiment.
Accompanying drawing 3 is the flow chart of the control method of the intelligent domestic system of the present embodiment.
Embodiment
1~accompanying drawing 3 is described below to the present invention below in conjunction with the accompanying drawings.
As shown in FIG. 1 to 3, the present invention includes gateway, the terminal device of access gateway, and is installed in diverse location
Pick up facility and with the one-to-one voice device of each pick up facility.
Wherein, pick up facility is used to gather voice signal, and the form of usual voice signal is audio format.
Terminal device is intelligent terminal, and intelligent terminal refers to that those have the smart machine of multimedia function,
Such as audio ＆ video equipment, illuminator, curtain control, airconditioning control, safety-protection system, Digital Theater System, video server, shadow cabinet
System, network home appliance etc..
The quantity of pick up facility and terminal device is set according to the application scenarios of intelligent domestic system in intelligent domestic system.
The present embodiment voice device is used to parse the voice signal that corresponding pick up facility collects and according to analysis result
Control instruction is sent to corresponding terminal device by gateway, as shown in Fig. 2 specifically including：
Semantic resolution unit, the voice signal for being collected to pick up facility carry out semantic parsing and obtain corresponding language
Justice；
Keyword extracting unit, for carrying out keyword extraction to described semanteme using default dictionary；
Matching judgment unit, for judging to whether there is position, terminal device title and terminal in the keyword that extracts
Equipment operation simultaneously exports corresponding judged result；
Instruction sending unit, the judged result for being exported in matching judgment unit be in the presence of by position, terminal device
Title and terminal device operation are packaged into corresponding control instruction and sent by gateway to corresponding terminal device to control this
Terminal device.
It should be noted that it is the general format that gateway can recognize that instruction sending unit is encapsulated to the control instruction to be formed
(gateway can recognize that), gateway needs to obtain the protocol type of the support of counterpart terminal equipment first after receiving, then according to obtaining
The protocol type taken is packaged into corresponding form.
Further, the semantic resolution unit in the voice device of the present embodiment can be only data transmit-receive module, specific logical
Cross third party's voice processing platforms (semantic analysis service is specially provided) and realize semantic analytical capabilities, now semantic resolution unit connects
Receive and third party's voice processing platforms are sent it to by gateway after the voice signal that pick up facility collects carry out semantic solution
Analysis, the semanteme that third party's voice processing platforms obtain parsing return to the semantic resolution unit by gateway.So, energy
Existing voice processing technology is enough made full use of, the R＆D costs effectively reduced, it is easy to accomplish.
When being controlled using the voice device the terminal device in intelligent domestic system, it is necessary first to pre- in voice device
Deposit dictionary.
Dictionary in the present embodiment includes position dictionary, terminal device title dictionary and terminal function operation word
Storehouse.Word can be according to the intelligence of practical application in position dictionary, terminal device title shifting storehouse and terminal function operation dictionary
Situation increase, modification and the deletion of energy house system.When increasing a certain terminal device in intelligent domestic system, position word
Corresponding to storehouse, terminal device title shifting storehouse and terminal function operation dictionary can be increased for the terminal device
Word.
In the intelligent domestic system of the present embodiment, gateway record has each pick up facility and terminal device for accessing the gateway
The position installed.During specific implementation, in each terminal device access gateway, the position that the terminal device is installed writes gateway
Preserved；In voice device access gateway, the position write-in gateway that pick up facility corresponding to the voice device is installed is protected
Deposit.
Conveniently, gateway, which is safeguarded, a device location information table, each pick up facility and terminal device peace is recorded
If position.For ease of inquiring about, in the device location information table of the present embodiment, the position of pick up facility and corresponding voice device
The port numbers of unit type and access gateway are bound, the position of terminal device and the unit type of the terminal device and access
The port numbers of gateway are bound.When the position of pick up facility or terminal device changes, it is necessary to read device location letter
Updated accordingly in breath table.
Due to multiple pick up facilities and voice device be present, it is same that gateway receives the control from different phonetic device simultaneously
During the control instruction of one terminal device, closed according to the position of pick up facility corresponding to the terminal device and each voice device
System, the terminal device is sent to by the control instruction of formation.
Preferably, the position relationship of gateway pick up facility according to corresponding to the terminal device and each control instruction will be formed
Control instruction perform following operation when being sent to the terminal device：
According to the position of pick up facility corresponding to the terminal device and each control instruction calculate respectively the terminal device with
The distance of pick up facility corresponding to each control instruction, the priority of each control instruction is set according to distance, and distance is got over
Nearly priority is higher, and each bar control instruction then is sent into the terminal device successively according to priority.
Preferably, the position relationship of gateway pick up facility according to corresponding to the terminal device and each control instruction will be formed
Control instruction perform following operation when being sent to the terminal device：
The terminal device is calculated according to the position of pick up facility corresponding to the terminal device and each control instruction respectively
The distance of pick up facility corresponding to each control instruction, this is sent to by control instruction corresponding to closest pick up facility
Terminal device.
In the intelligent domestic system of the present embodiment, the method for the access gateway of voice device is as follows：When voice device starts
Instructed according to the port numbers of agreement to intelligent domestic system broadcast networking：Networking instruction includes voice device IP and received to respond
Port numbers (i.e. the port numbers of access gateway)；After gateway receives the networking instruction of voice device, generation voice device is in net
The unique mark in the Central Shanxi Plain, and together the IP and unique mark of gateway oneself, the voice device IP being sent in instruction and port；
If voice device normally receives the response of gateway, gateway IP and unique mark in resolution response are saved in voice device
In, subsequent instructions are sent to gateway and uniformly use the IP, networking success.If voice device does not receive response, continue to send out
Networking is sent to instruct, until networking success.
The voice device of the present embodiment is additionally included in after being successfully accessed in access gateway, by corresponding to the voice device
In the position write device positional information table that pick up facility is installed.
During operation：(1) each pick up facility collection voice signal, and the voice signal collected is sent to corresponding language
Mixer；
(2) voice signal that each voice device is sent to pick up facility corresponding to reception parses, and according to parsing
As a result control instruction is sent to corresponding terminal device by gateway, as shown in figure 3, specifically comprising the following steps：
(2-1) semantic resolution unit carries out semantic parsing to the voice signal received and obtains corresponding semanteme；
The voice signal for carrying out usually requiring to collect pick up facility before semantic parsing carries out the speech processes such as noise reduction, can
To set Audio Processing Unit to complete speech processes, the above is not the emphasis of the present invention, therefore without illustrating.
(2-2) keyword extracting unit is using default dictionary to described semantic progress keyword extraction；
During specific implementation：First the voice that parsing obtains in step (- 1) is segmented, then in the semanteme that will be resolved to
It is compared with position dictionary, terminal device title dictionary and terminal function operation dictionary to respectively obtain position, end
End equipment title and terminal device operation.
It whether there is position, terminal device title and terminal in the keyword that (2-3) matching judgment unit judges are extracted
Device name operates, and obtains corresponding judged result；
In view of the particularity of voice signal, step (1) in the sound control method of the present embodiment, to the voice collected
Signal carries out that voice signal is divided into sentence first when semantic parsing obtains corresponding semantic, and then each sentence is carried out again
Semanteme parsing obtains corresponding semanteme.
Being divided into the foundation of sentence can need to set according to practical application, is used as and divided using the dead time in the present embodiment
Cut foundation, the time interval before any two voices is more than the threshold value of setting.
According to this method, the semanteme for parsing to obtain divides sentence, and to ensure the reliability of control, step (2-3) is being sentenced
When being operated in the disconnected keyword extracted with the presence or absence of position, terminal device title and terminal device：If position, terminal device name
Claim and terminal device operation comes from same sentence or is at most respectively from three continuous sentences, then it is assumed that exist；
Otherwise it is assumed that it is not present.
Further, when being operated in the keyword for judging to extract with the presence or absence of position, terminal device title and terminal device
Also support simple context semantic combination.Example：A word is：" opening living-room TV ", it is normal to open TV, now the
Two words can ignore position and equipment keyword, i.e., not comprising position and during facility information in the second word, acquiescence can be located
Reason before once semanteme in equipment.Here want to turn off the TV in parlor, can directly say that " closing " can turn off TV.
Further, due to the particularity of voice, same word, the pronunciation of different user can be different, therefore, this implementation
When keyword is extracted in example, using phonetic fuzzy matching method (example：The phonetic kaiguan of switch, the word that can be matched have switch,
Can opening, open etc.).
It is accustomed in view of human language, often occurs that some keywords can form control instruction, but now user
It is not intended to control corresponding terminal device.Therefore, dictionary also includes being stored with the wake-up dictionary for waking up word in the present embodiment,
Before being operated in step (3) in the keyword for judging to extract with the presence or absence of position, terminal device title and terminal device, first will
Matched in the keyword extracted with waking up dictionary：After if the match is successful, whether deposited in the keyword for judging to extract
Before the operation of position, terminal device title and terminal device；Otherwise, do not operate.So operation, greatly reduces probability of miscarriage of justice.
Waking up word can be set or adjusted according to user preferences.
(2-4) instruction sending unit is in the presence of the judged result is by position, terminal device title and terminal device
Operation is packaged into corresponding control instruction and sent to corresponding terminal device to control the terminal device.
When gateway receives the control instruction of the same terminal device of control from different phonetic device simultaneously, step
In (2-4) according to corresponding to the terminal device and each control instruction pick up facility position relationship, by the control instruction of formation
The terminal device is sent to by gateway, there are following two modes, but is not limited only to two kinds of implementations：
(a) according to corresponding to the terminal device and each control instruction pick up facility position relationship, by the control of formation
Instruction, which is sent to the terminal device, to be included：
According to the position of pick up facility corresponding to the terminal device and each control instruction calculate respectively the terminal device with
The distance of pickup terminal device corresponding to each control instruction, control instruction corresponding to closest pick up facility is sent
Give the terminal device.
(b) according to corresponding to the terminal device and each control instruction pick up facility position relationship, by the control of formation
Instruction, which is sent to the terminal device, to be included：
According to the position of pick up facility corresponding to the terminal device and each control instruction calculate respectively the terminal device with
The distance of pick up facility corresponding to each control instruction, the priority of each control instruction is set according to distance, and distance is got over
Nearly priority is higher, and each bar control instruction then is sent into the terminal device successively according to priority.
It should be noted that the position in the present embodiment can be each physics sky in intelligent domestic system application scenarios
Between point or intelligent domestic system application scenarios in one delimitation area of space, a such as room.For ease of meter
Calculate, the position of the present embodiment is physical space point, and using two-dimensional coordinate, (horizontal plane that specifically can be indoors is established for the usual position
Coordinate system, then can obtain the two-dimensional coordinate of each position) represent.Now, the terminal device is calculated with each control to refer to
The distance of pick up facility corresponding to order directly calculates the distance of two spaces according to the two-dimensional coordinate of corresponding position.
Further, during the control instruction for the voice signal form that user sends, it is often impossible to be accurate to each terminal and set
Standby position.It is problem to solve, all should be into the phonetic controller when entering intelligent domestic system per station terminal equipment
It (is usually to be used as a space region using a room to write the specific locus residing for the terminal device and affiliated area of space
Domain).When user needs certain the station terminal equipment controlled, the affiliated area of space of the terminal device is only indicated.Accordingly,
When extracting keyword and carrying out matching judgment, signified position should be affiliated area of space.
Now, as gateway, area of space and terminal device title belonging to find the specific locus of the terminal device
(the physical space point that i.e. two-dimensional coordinate represents), it is whole that terminal device pickup corresponding with each control instruction is then calculated again
The distance of end equipment.
Obviously, those skilled in the art can carry out the essence of various changes and modification without departing from the present invention to the present invention
God and scope.So, if these modifications and variations of the present invention belong to the scope of the claims in the present invention and its equivalent technologies
Within, then the present invention is also intended to comprising including these changes and modification.
Claims (5)
1. a kind of speech control system for smart home, including gateway and the terminal device of access gateway, its feature exist
In：The intelligent domestic system also includes being installed in the pick up facility of diverse location and one-to-one with each pick up facility
Voice device, the voice device are used to parse the voice signal that corresponding pick up facility collects and passed through according to analysis result
Gateway sends control instruction to corresponding terminal device.
A kind of 2. speech control system for smart home according to claim 1, it is characterised in that：The voice dress
Put including：
Semantic resolution unit, the voice signal for being collected to pick up facility carry out semantic parsing and obtain corresponding semanteme；
Keyword extracting unit, for carrying out keyword extraction to described semanteme using default dictionary；
Matching judgment unit, for judging to whether there is position, terminal device title and terminal device in the keyword that extracts
Operate and export corresponding judged result；
Instruction sending unit, the judged result for being exported in the matching judgment unit be in the presence of by position, terminal device
Title and terminal device operation are packaged into corresponding control instruction and sent by gateway to corresponding terminal device to control this
Terminal device.
A kind of 3. speech control system for smart home according to claim 1, it is characterised in that：The dictionary bag
Include position dictionary, terminal device title dictionary and terminal function operation dictionary；The keyword extracting unit is using in advance
If dictionary to it is described it is semantic carry out keyword extraction when proceed as follows：
The semanteme being resolved to is compared with position dictionary, terminal device title dictionary and terminal function operation dictionary
To respectively obtain position, terminal device title and terminal device operation.
A kind of 4. speech control system for smart home according to claim 1, it is characterised in that：The gateway note
Record has the position that each pick up facility and terminal device that access the gateway are installed；
The gateway receives the control instruction of the same terminal device of control from different phonetic device simultaneously when, according to this
The position relationship of pick up facility corresponding to terminal device and each voice device, the terminal is sent to by the control instruction received
Equipment；
The position relationship of gateway pick up facility according to corresponding to the terminal device and each control instruction is by the control of formation
Instruction performs following operation when being sent to the terminal device：
According to the position of pick up facility corresponding to the terminal device and each control instruction calculate respectively the terminal device with it is each
The distance of pick up facility corresponding to bar control instruction, the priority of each control instruction is set according to distance, and distance is more near excellent
First level is higher, and each bar control instruction then is sent into the terminal device successively according to priority.
A kind of 5. speech control system for smart home according to claim 1, it is characterised in that：The gateway root
The control instruction of formation is sent to the end according to the position relationship of pick up facility corresponding to the terminal device and each control instruction
Following operation is performed during end equipment：
According to the position of pick up facility corresponding to the terminal device and each control instruction calculate respectively the terminal device with it is each
The distance of pick up facility corresponding to bar control instruction, control instruction corresponding to closest pick up facility is sent to the terminal
Equipment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711179710.5A CN107863105A (en) | 2017-11-23 | 2017-11-23 | A kind of speech control system for smart home |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711179710.5A CN107863105A (en) | 2017-11-23 | 2017-11-23 | A kind of speech control system for smart home |
Publications (1)
| Publication Number | Publication Date |
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| CN107863105A true CN107863105A (en) | 2018-03-30 |
Family
ID=61703328
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201711179710.5A Pending CN107863105A (en) | 2017-11-23 | 2017-11-23 | A kind of speech control system for smart home |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108667697A (en) * | 2018-04-28 | 2018-10-16 | 新华三技术有限公司 | Voice control conflict resolution method and device and voice control system |
| CN110704014A (en) * | 2019-09-30 | 2020-01-17 | 联想(北京)有限公司 | Output control method, device and system |
| CN110708220A (en) * | 2019-09-27 | 2020-01-17 | 恒大智慧科技有限公司 | Intelligent household control method and system and computer readable storage medium |
| WO2020015283A1 (en) * | 2018-07-20 | 2020-01-23 | 珠海格力电器股份有限公司 | Device control method and apparatus, storage medium and electronic apparatus |
| CN111667832A (en) * | 2020-06-14 | 2020-09-15 | 史长宣 | Multi-place intelligent voice control system and method |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106601248A (en) * | 2017-01-20 | 2017-04-26 | 浙江小尤鱼智能技术有限公司 | Smart home system based on distributed voice control |
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- 2017-11-23 CN CN201711179710.5A patent/CN107863105A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106601248A (en) * | 2017-01-20 | 2017-04-26 | 浙江小尤鱼智能技术有限公司 | Smart home system based on distributed voice control |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108667697A (en) * | 2018-04-28 | 2018-10-16 | 新华三技术有限公司 | Voice control conflict resolution method and device and voice control system |
| WO2020015283A1 (en) * | 2018-07-20 | 2020-01-23 | 珠海格力电器股份有限公司 | Device control method and apparatus, storage medium and electronic apparatus |
| CN110708220A (en) * | 2019-09-27 | 2020-01-17 | 恒大智慧科技有限公司 | Intelligent household control method and system and computer readable storage medium |
| CN110704014A (en) * | 2019-09-30 | 2020-01-17 | 联想(北京)有限公司 | Output control method, device and system |
| CN111667832A (en) * | 2020-06-14 | 2020-09-15 | 史长宣 | Multi-place intelligent voice control system and method |
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