CN108389580B - Household appliance, voice recognition method thereof and server - Google Patents
Household appliance, voice recognition method thereof and server Download PDFInfo
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- CN108389580B CN108389580B CN201810139656.XA CN201810139656A CN108389580B CN 108389580 B CN108389580 B CN 108389580B CN 201810139656 A CN201810139656 A CN 201810139656A CN 108389580 B CN108389580 B CN 108389580B
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- 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
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- 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
- G10L15/28—Constructional details of speech recognition systems
- G10L15/30—Distributed recognition, e.g. in client-server systems, for mobile phones or network applications
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- 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
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- 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
- H04L12/283—Processing of data at an internetworking point of a home automation network
- H04L12/2834—Switching of information between an external network and a home network
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- 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 invention discloses a household appliance, a voice recognition method thereof and a server, wherein the method comprises the following steps: acquiring voice information input by a user; acquiring a current operable instruction set of the household appliance according to the service logic of the household appliance; and recognizing the voice information according to the current operable instruction set. Therefore, the voice recognition is carried out in the screened operable instruction set, the calculation amount of the voice recognition is greatly reduced, the recognition rate can be improved to a certain extent, the system safety is improved, and the execution misoperation is avoided.
Description
Technical Field
The invention relates to the technical field of household appliances, in particular to a voice recognition method of a household appliance, a voice recognition method of another household appliance and a server.
Background
In the related art, a voice recognition method usually adopts a mode matching method, namely, in a training stage, a user speaks each word in a vocabulary in sequence and stores a characteristic vector of each word as a template into a template library; in the recognition stage, the feature vector of the input voice is compared with each template in the template library in similarity in sequence, and the highest similarity is output as a recognition result. However, the inventors of the present application have found that the above-mentioned techniques have at least the following technical problems: in the voice recognition process, all instructions for voice matching need to be input, the calculation amount is large, the recognition rate is low, and false recognition is easy to generate.
Disclosure of Invention
The present invention is directed to solving, at least to some extent, one of the technical problems in the related art.
Therefore, a first objective of the present invention is to provide a voice recognition method for a household electrical appliance, which can greatly reduce the amount of calculation in the voice recognition process and improve the voice recognition speed.
A second object of the invention is to propose a household appliance.
A third object of the invention is to propose another household appliance.
A fourth object of the invention is to propose a non-transitory computer-readable storage medium.
A fifth object of the present invention is to provide another voice recognition method of a home appliance.
A sixth object of the present invention is to provide a server.
A seventh object of the invention is to propose another server.
An eighth object of the invention is to propose another non-transitory computer-readable storage medium.
In order to achieve the above object, a first embodiment of the present invention provides a voice recognition method for a home appliance, including the following steps: acquiring voice information input by a user; acquiring a current operable instruction set of the household appliance according to the service logic of the household appliance; and recognizing the voice information according to the current operable instruction set.
According to the voice recognition method of the household appliance provided by the embodiment of the invention, the voice information input by the user and the current operable instruction set of the household appliance are obtained, and then the voice information is recognized according to the current operable instruction set. Therefore, the method of the embodiment of the invention greatly reduces the calculation amount of voice recognition by carrying out voice recognition in the screened operable instruction set, can improve the recognition rate to a certain extent, improves the system safety and avoids executing misoperation.
According to an embodiment of the present invention, the obtaining a current operable instruction set of the home appliance according to the service logic of the home appliance includes: detecting a current state of the household appliance; and acquiring a current operable instruction set of the household appliance according to the current state of the household appliance and the service logic of the household appliance.
According to one embodiment of the invention, the currently operational instruction set includes at least one operational instruction, each operational instruction having a plurality of voice templates.
According to an embodiment of the present invention, the recognizing the voice information according to the current operational instruction set includes: comparing and matching the voice information with each operable instruction in the current operable instruction set; and when the voice information is matched with any operable instruction in the current operable instruction set, determining that the operable instruction is an instruction corresponding to the voice information.
To achieve the above object, a second embodiment of the present invention provides a household appliance, including: the voice acquisition unit is used for acquiring voice information input by a user; the processing unit is used for acquiring a current operable instruction set of the household appliance according to the service logic of the household appliance; and the voice recognition unit is used for recognizing the voice information according to the current operable instruction set so as to acquire an instruction corresponding to the voice information.
According to the household appliance provided by the embodiment of the invention, the voice information input by a user is acquired through the voice acquisition unit, the current operable instruction set of the household appliance is acquired through the processing unit, and then the voice recognition unit recognizes the voice information according to the current operable instruction set. Therefore, the household appliance provided by the embodiment of the invention carries out voice recognition in the screened operable instruction set, so that the calculation amount of the voice recognition is greatly reduced, the recognition rate can be improved to a certain extent, the system safety is improved, and the execution misoperation is avoided.
According to an embodiment of the invention, the household appliance further comprises: a state detection unit for detecting a current state of the home appliance; the processing unit is used for acquiring a current operable instruction set of the household appliance according to the current state of the household appliance and the service logic of the household appliance.
According to one embodiment of the invention, the currently operational instruction set includes at least one operational instruction, each operational instruction having a plurality of voice templates.
According to an embodiment of the present invention, the voice recognition unit is further configured to compare and match the voice information with each operable instruction in the current operable instruction set, and when the voice information matches any operable instruction in the current operable instruction set, determine that the operable instruction is an instruction corresponding to the voice information.
In order to achieve the above object, a household electrical appliance according to a third aspect of the present invention is characterized by comprising a memory, a processor, and a voice recognition program of the household electrical appliance stored in the memory and operable on the processor, wherein the processor implements the voice recognition method of the household electrical appliance according to the first aspect when executing the program.
To achieve the above object, a non-transitory computer-readable storage medium according to a fourth aspect of the present invention is a non-transitory computer-readable storage medium, on which a voice recognition program of a home appliance is stored, and the program, when executed by a processor, implements the voice recognition method of the home appliance according to the first aspect.
In order to achieve the above object, a fifth embodiment of the present invention provides a voice recognition method for a home appliance, which is applied to a server, and includes the following steps: receiving voice information input by a user and sent by a household appliance; acquiring a current operable instruction set of the household appliance according to the service logic of the household appliance; recognizing the voice information according to the current operable instruction set to obtain a recognition result; and sending the identification result to the household appliance.
According to the voice recognition method of the household appliance, the voice information input by the user and sent by the household appliance is received, the current operable instruction set of the household appliance is obtained, and then the voice information is recognized according to the current operable instruction set. Therefore, the method of the embodiment of the invention greatly reduces the calculation amount of voice recognition by carrying out voice recognition in the screened operable instruction set, can improve the recognition rate to a certain extent, improves the system safety and avoids executing misoperation.
According to an embodiment of the present invention, the obtaining a current operable instruction set of the home appliance according to the service logic of the home appliance includes: receiving the current state of the household appliance sent by the household appliance; and acquiring a current operable instruction set of the household appliance according to the current state of the household appliance and the service logic of the household appliance.
According to one embodiment of the invention, the currently operational instruction set includes at least one operational instruction, each operational instruction having a plurality of voice templates.
According to an embodiment of the present invention, the recognizing the voice information according to the current operational instruction set includes: comparing and matching the voice information with each operable instruction in the current operable instruction set; and when the voice information is matched with any operable instruction in the current operable instruction set, transmitting the operable instruction to the household appliance.
In order to achieve the above object, a sixth aspect of the present invention provides a server, including: the receiving module is used for receiving voice information input by a user and sent by the household appliance; the processing module is used for acquiring a current operable instruction set of the household appliance according to the service logic of the household appliance; the recognition module is used for recognizing the voice information according to the current operable instruction set to obtain a recognition result; and the sending module is used for sending the identification result to the household appliance.
According to the server provided by the embodiment of the invention, the voice information input by the user and sent by the household appliance is received through the receiving module, the current operable instruction set of the household appliance is obtained through the processing module, and then the voice information is recognized by the recognition module according to the current operable instruction set. Therefore, the server of the embodiment of the invention carries out voice recognition in the screened operable instruction set, thereby greatly reducing the calculation amount of voice recognition, improving the recognition rate to a certain extent, improving the system safety and avoiding the execution of misoperation.
In order to achieve the above object, a seventh embodiment of the present invention provides a server, which includes a memory, a processor, and a voice recognition program of a home appliance stored on the memory and operable on the processor, and when the processor executes the program, the processor implements the voice recognition method of the home appliance of the fifth embodiment.
In order to achieve the above object, an eighth aspect of the present invention provides a non-transitory computer-readable storage medium having a voice recognition program of a home appliance stored thereon, where the program, when executed by a processor, implements the voice recognition method of the home appliance of the fifth aspect.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The foregoing and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
fig. 1 is a flowchart of a voice recognition method of a home appliance according to an embodiment of the present invention;
fig. 2 is a flowchart of a voice recognition method of a home appliance according to an embodiment of the present invention;
fig. 3 is a block schematic diagram of a household appliance according to an embodiment of the present invention;
FIG. 4 is a block schematic diagram of a household appliance according to one embodiment of the present invention;
fig. 5 is a flowchart of a voice recognition method of a home appliance according to another embodiment of the present invention;
fig. 6 is a flowchart of a voice recognition method of a home appliance according to another embodiment of the present invention; and
fig. 7 is a block schematic diagram of a server according to an embodiment of the invention.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.
Hereinafter, a home appliance, a voice recognition method thereof, and a server according to embodiments of the present invention will be described with reference to the accompanying drawings.
Fig. 1 is a flowchart of a voice recognition method of a home appliance according to an embodiment of the present invention. As shown in fig. 1, the voice recognition method of the home appliance includes the steps of:
s101: and acquiring voice information input by a user.
The voice information input by the user can be collected through the voice collecting unit, for example, the voice collecting unit can be a microphone.
S102: and acquiring a current operable instruction set of the household appliance according to the service logic of the household appliance.
It should be noted that the currently operable instruction set refers to a set of instructions operable by a user, for example, in a microwave oven, when the microwave oven is in a cooking state, the instructions operable by the user may include a stop instruction, an acceleration instruction (increasing power, decreasing working time by calculation), a door locking instruction, and the like, so that the stop instruction, the acceleration instruction, and the door locking instruction can be used to form the currently operable instruction set.
According to one embodiment of the invention, acquiring a current operable instruction set of a household appliance according to service logic of the household appliance comprises: detecting the current state of the household appliance; and acquiring the current operable instruction set of the household appliance according to the current state of the household appliance and the service logic of the household appliance.
That is, after receiving the voice message, the current state of the household appliance is detected, and the current state is subjected to business logic processing (for example, a work instruction cannot be issued again during work) to screen out an instruction that the current state can be operated, and the current operable instruction set can be obtained according to the instruction that the current state can be screened out to operate.
It should be noted that the service logic of the home appliance may refer to an instruction that the home appliance can execute in each state, for example, the service logic of the home appliance may be: the working instruction can not be sent in the working process; the child lock instruction can not be sent in the child lock state; the working instruction can not be sent in the child lock state; the working instruction can not be sent in the fault state; the door opening instruction cannot be sent in the working state; the working instruction can not be sent in the door opening state; the work order cannot exceed 99 minutes and 50 seconds; the child lock instruction cannot be sent in the working state; the fixed working mode does not need heating power and only needs time.
Specifically, a state command list may be set according to the service logic of the home appliances, where the list may include a state and an allow command, where the state of each home appliance in the list is preset with a corresponding operable instruction, i.e., an operable instruction set, and for example, when the state is cooking, the corresponding operable instruction includes: stop, speed up (increase power, decrease working time by calculation), lock door.
And, the status command list is stored in the home appliance, and after the status of the home appliance is determined, the currently operable instruction set can be determined by inquiring the status command list.
S103: and recognizing the voice information according to the current operable instruction set.
Therefore, the voice recognition is carried out through the screened operable instruction set, the calculation amount of the voice recognition can be greatly reduced, the recognition rate can be improved to a certain degree, in addition, the system safety can be improved, and the execution of misoperation is avoided.
According to one embodiment of the present invention, recognizing speech information according to a currently operational instruction set includes:
comparing and matching the voice information with each operable instruction in the current operable instruction set;
when the voice information is matched with any operable instruction in the current operable instruction set, determining that the operable instruction is the instruction corresponding to the voice information.
That is, the feature vector of the voice signal may be compared with the similarity of each operable instruction in the current operable instruction set in turn, and the operable instruction with the similarity greater than the preset threshold value is confirmed as the operable instruction matched with the voice information, where the matched operable instruction is the instruction corresponding to the voice information and may be executed by the household appliance.
Specifically, as shown in fig. 2, the voice recognition method for a home appliance according to the embodiment of the present invention specifically includes the following steps:
s201: voice information input by a user is detected.
S202: the current state of the home appliance is detected.
S203: and performing business logic processing on the current state of the household appliance to obtain a current operable instruction set.
S204: and comparing and matching the voice information with the current operable instruction set to obtain a matching result.
It can be understood that if the similarity between the feature vector of the voice signal and each operable instruction in the current operable instruction set is smaller than or equal to the preset threshold, it indicates that the voice is invalid or the instruction is invalid, that is, the voice information input by the user is not in the voice template library of the household appliance or the voice information input by the user belongs to the inoperable instruction, and the voice recognition failure is determined, and a prompt message is sent to remind the user to perform the voice input again.
Therefore, the voice information can be recognized by comparing and matching the voice information with the current operable instruction.
According to one embodiment of the invention, the currently operational instruction set may include at least one operational instruction, each operational instruction having a plurality of voice templates.
Specifically, the status command list can be queried according to the current status of the household appliance to obtain the operable instruction, and the addressing is carried out based on the operable instruction to obtain the voice template library of the operable instruction, wherein the voice template library comprises a plurality of voice templates of each operable instruction. And in the identification process, matching the voice template library with the voice information input by the user, and if the voice template library has a voice template which is matched with the voice information input by the user, successfully identifying.
For example, assuming that the current state of the household appliance is the working state, it can be determined that "stop", "accelerate" and "lock" are executable in the list by querying the state command list, and when matching the voice information with the current operable instruction set instruction, the voice information can be directly matched with the voice template library corresponding to the above three operable instructions. Wherein, the 'Stop' speech template library comprises 'close', 'fast Stop', 'Stop' … …; the 'door locking' voice template library comprises 'lock', 'deadlock' and 'child lock' … …; the 'accelerated' voice template library comprises 'speed up', 'fast boiling' and 'accelerated' … ….
Therefore, the method of the embodiment of the invention only aims at the voice template library for matching, thereby greatly improving the voice matching speed, reducing the calculated amount and improving the system safety.
It should be noted that the voice template library of the operational command may be a temporarily established database, or may be a pre-established database.
In addition, according to an embodiment of the present invention, when the current operable instruction set includes only one operable instruction, it may be directly determined that the voice information input by the user matches the one operable instruction, and the home appliance may be directly controlled to execute the operable instruction.
For example, when the current state of the household appliance is a child lock state, the household appliance can only perform unlocking (for a household appliance without shutdown operation), and then the current operable instruction set only includes an unlocking instruction, and the household appliance can be directly controlled to perform unlocking operation currently, so that the calculation amount is greatly reduced, and the recognition rate is improved.
In addition, according to an embodiment of the present invention, the home appliance may be a microwave oven, an oven, a rice cooker, or the like.
In summary, according to the voice recognition method for the home appliance provided by the embodiment of the present invention, the voice information input by the user and the current operable instruction set of the home appliance are obtained, and then the voice information is recognized according to the current operable instruction set. Therefore, the method of the embodiment of the invention greatly reduces the calculation amount of voice recognition by carrying out voice recognition in the screened operable instruction set, can improve the recognition rate to a certain extent, improves the system safety and avoids executing misoperation.
In order to realize the embodiment, the invention further provides a household appliance.
Fig. 3 is a block schematic diagram of a home appliance according to an embodiment of the present invention. As shown in fig. 5, the home appliance includes: a voice acquisition unit 101, a processing unit 102 and a voice recognition unit 103.
The voice acquisition unit 101 is used for acquiring voice information input by a user; the processing unit 102 is configured to obtain a current operable instruction set of the home appliance according to a service logic of the home appliance; the voice recognition unit 103 is configured to recognize the voice information according to the current operable instruction set to obtain an instruction corresponding to the voice information.
Further, according to an embodiment of the present invention, as shown in fig. 4, the home appliance further includes: a state detection unit 104, wherein the state detection unit 104 is used for detecting the current state of the household appliance; the processing unit 102 is configured to obtain a current operable instruction set of the home appliance according to a current state of the home appliance and a service logic of the home appliance.
According to one embodiment of the invention, the currently operational instruction set includes at least one operational instruction, each operational instruction having a plurality of voice templates.
According to an embodiment of the present invention, the voice recognition unit 103 is further configured to compare and match the voice information with each operable instruction in the current operable instruction set, and when the voice information matches any operable instruction in the current operable instruction set, determine that the operable instruction is an instruction corresponding to the voice information.
Since the household appliance provided by the embodiment of the present invention corresponds to the voice recognition methods of the household appliance provided by the above several embodiments, the embodiments of the voice recognition method of the household appliance are also applicable to the household appliance provided by the embodiment, and will not be described in detail in the embodiment.
In summary, according to the household appliance provided in the embodiment of the present invention, the voice information input by the user is collected by the voice collecting unit, the current operable instruction set of the household appliance is obtained by the processing unit, and then the voice recognition unit recognizes the voice information according to the current operable instruction set. Therefore, the household appliance provided by the embodiment of the invention carries out voice recognition in the screened operable instruction set, so that the calculation amount of the voice recognition is greatly reduced, the recognition rate can be improved to a certain extent, the system safety is improved, and the execution misoperation is avoided.
In order to implement the foregoing embodiment, the present invention further provides another household appliance, which includes a memory, a processor, and a voice recognition program of the household appliance stored in the memory and operable on the processor, and when the processor executes the program, the voice recognition method of the household appliance of the foregoing embodiment is implemented.
According to the household appliance provided by the embodiment of the invention, through the voice recognition method of the household appliance, the calculation amount of voice recognition can be greatly reduced, the recognition rate can be improved to a certain extent, the system safety is improved, and the execution of misoperation is avoided.
In order to achieve the above-mentioned embodiments, the present invention also proposes a non-transitory computer-readable storage medium having stored thereon a voice recognition program of a home appliance, which when executed by a processor implements the voice recognition method of the home appliance of the foregoing embodiments.
According to the non-transitory computer-readable storage medium provided by the embodiment of the invention, the calculation amount of voice recognition can be greatly reduced through the voice recognition method of the household appliance, the recognition rate can be improved to a certain extent, the system safety is improved, and the execution misoperation is avoided.
The embodiment of the invention also provides another household appliance and a voice recognition method thereof.
Fig. 5 is a block diagram illustrating a voice recognition method of a home appliance according to an embodiment of the present invention. The voice recognition method of the household appliance can be applied to a server.
As shown in fig. 5, the voice recognition method of the home appliance includes the steps of:
s501: and receiving voice information input by a user and sent by the household appliance.
The household appliance can acquire voice information input by a user through the voice acquisition unit and send the acquired voice information to the server. For example, the voice acquisition unit may be a microphone or the like.
S502: and acquiring a current operable instruction set of the household appliance according to the service logic of the household appliance.
It should be noted that the currently operable instruction set refers to a set of instructions operable by a user, for example, in a microwave oven, when the microwave oven is in a cooking state, the instructions operable by the user may include a stop instruction, an acceleration instruction (increasing power, decreasing working time by calculation), a door locking instruction, and the like, so that the stop instruction, the acceleration instruction, and the door locking instruction can be used to form the currently operable instruction set.
According to one embodiment of the invention, acquiring a current operable instruction set of a household appliance according to service logic of the household appliance comprises: receiving the current state of the household appliance sent by the household appliance; and acquiring the current operable instruction set of the household appliance according to the current state of the household appliance and the service logic of the household appliance.
That is, the home appliance, after receiving the voice information, also detects the current state of the home appliance and transmits the current state of the home appliance to the server together with the voice information input by the user. The server receives voice information input by a user and the current state of the household appliance, performs service logic processing (for example, a working instruction can not be sent again in work) on the current state to screen out an instruction which can be operated in the current state, and can obtain a current operable instruction set according to the instruction which can be operated in the screened current state.
It should be noted that the service logic of the home appliance may refer to an instruction that the home appliance can execute in each state, for example, the service logic of the home appliance may be: the working instruction can not be sent in the working process; the child lock instruction can not be sent in the child lock state; the working instruction can not be sent in the child lock state; the working instruction can not be sent in the fault state; the door opening instruction cannot be sent in the working state; the working instruction can not be sent in the door opening state; the work order cannot exceed 99 minutes and 50 seconds; the child lock instruction cannot be sent in the working state; the fixed working mode does not need heating power and only needs time.
Specifically, the server may set a state command list according to a service logic of each household appliance, where the list may include an equipment identifier, a state, and an allowable command of the household appliance, where the state of each household appliance in the list is preset with a corresponding command that can be operated, that is, an operation command set, and for example, when the equipment identifier of the household appliance is a and the current state of the household appliance is cooking, the corresponding command that can be operated includes: stop, speed up (increase power, decrease working time by calculation), lock door.
And, the status command list is stored in the server, and after the device identification and status of the home appliance are determined, the current operable instruction set can be determined by querying the status command list. The device identifier of the home appliance may be a DSN (device services number).
S503: recognizing the voice information according to the current operable instruction set to obtain a recognition result;
s504: and sending the identification result to the household appliance.
And the household appliance executes the identification result after receiving the identification result.
Therefore, the voice recognition is carried out through the screened operable instruction set, the calculation amount of the voice recognition can be greatly reduced, the recognition rate can be improved to a certain degree, in addition, the system safety can be improved, and the execution of misoperation is avoided.
According to one embodiment of the present invention, recognizing speech information according to a currently operational instruction set includes: comparing and matching the voice information with each operable instruction in the current operable instruction set; and when the voice information is matched with any operable instruction in the current operable instruction set, transmitting the operable instruction to the household appliance.
That is to say, the feature vector of the voice signal may be compared with the similarity of each operational instruction in the current operational instruction set in sequence, the operational instruction with the similarity greater than the preset threshold is confirmed as the operational instruction matched with the voice information, the matched operational instruction is the instruction corresponding to the voice information, and after the recognition is completed, the recognition result may be sent to the household appliance so as to enable the household appliance to execute the corresponding instruction.
Specifically, as shown in fig. 6, the voice recognition method for a home appliance according to the embodiment of the present invention specifically includes the following steps:
s601: and receiving voice information input by a user.
S602: the current state of the home appliance is received.
S603: and performing business logic processing on the current state of the household appliance to obtain a current operable instruction set.
S604: and comparing and matching the voice information with the current operable instruction set to obtain a matching result.
S605: and sending the matching result to the household appliance.
It can be understood that, if the similarity between the feature vector of the voice signal and each operable instruction in the current operable instruction set in turn is less than or equal to the preset threshold, it indicates that the voice is invalid or the instruction is invalid, that is, the voice information input by the user is not in the voice template library of the server or the voice information input by the user belongs to an inoperable instruction, and the voice recognition failure is determined to be issued, and a prompt message is sent to remind the user to perform the voice input again.
Therefore, the voice information can be recognized by comparing and matching the voice information with the current operable instruction.
According to one embodiment of the invention, the currently operational instruction set may include at least one operational instruction, each operational instruction having a plurality of voice templates.
It is understood that the home appliance transmits the device identification of the home appliance itself to the server at the same time as transmitting the data to the server.
Specifically, the server can inquire the state command list according to the equipment identification and the current state of the household appliance to obtain the operable instruction, and address the operable instruction to obtain the voice template library of the operable instruction based on the operable instruction, wherein the voice template library comprises a plurality of voice templates of each operable instruction. And in the identification process, matching the voice template library with the voice information input by the user, and if the voice template library has a voice template which is matched with the voice information input by the user, successfully identifying.
For example, assuming that the current state of the household appliance is the working state, it can be determined that "stop", "accelerate" and "lock" are executable in the list by querying the state command list, and when matching the voice information with the current operable instruction set instruction, the voice information can be directly matched with the voice template library corresponding to the above three operable instructions. Wherein, the 'Stop' speech template library comprises 'close', 'fast Stop', 'Stop' … …; the 'door locking' voice template library comprises 'lock', 'deadlock' and 'child lock' … …; the 'accelerated' voice template library comprises 'speed up', 'fast boiling' and 'accelerated' … ….
Therefore, the method of the embodiment of the invention only aims at the voice template library for matching, thereby greatly improving the voice matching speed, reducing the calculated amount and improving the system safety.
It should be noted that the voice template library of the operational command may be a temporarily established database, or may be a pre-established database.
In addition, according to an embodiment of the present invention, when the current operable instruction set includes only one operable instruction, it may be directly determined that the voice information input by the user matches the one operable instruction, and the home appliance may be directly controlled to execute the operable instruction.
For example, when the current state of the household appliance is a child lock state, the household appliance can only perform unlocking (for a household appliance without shutdown operation), and then the current operable instruction set only includes an unlocking instruction, and the household appliance can be directly controlled to perform unlocking operation currently, so that the calculation amount is greatly reduced, and the recognition rate is improved.
In summary, according to the voice recognition method for the home appliance provided by the embodiment of the present invention, the voice information input by the user and sent by the home appliance is received, the current operable instruction set of the home appliance is obtained, and then the voice information is recognized according to the current operable instruction set. Therefore, the method of the embodiment of the invention greatly reduces the calculation amount of voice recognition by carrying out voice recognition in the screened operable instruction set, can improve the recognition rate to a certain extent, improves the system safety and avoids executing misoperation.
In order to implement the above embodiment, the present invention further provides a server.
Fig. 7 is a block schematic diagram of a server according to an embodiment of the invention. As shown in fig. 7, the server includes: a receiving module 201, a processing module 202, an identifying module 203 and a sending module 204.
The receiving module 201 is configured to receive voice information input by a user and sent by a home appliance; the processing module 202 is configured to obtain a current operable instruction set of the home appliance according to a service logic of the home appliance; the recognition module 203 is used for recognizing the voice information according to the current operable instruction set to obtain a recognition result; the sending module 204 is configured to send the identification result to the household appliance.
According to an embodiment of the present invention, the receiving module 201 is further configured to receive a current status of the home appliance sent by the home appliance; the processing module 202 is further configured to obtain a current operable instruction set of the home appliance according to a current state of the home appliance and a service logic of the home appliance.
According to one embodiment of the invention, the currently operational instruction set includes at least one operational instruction, each operational instruction having a plurality of voice templates.
According to an embodiment of the present invention, the recognition module 203 is further configured to compare and match the voice information with each operable instruction in the current operable instruction set; and when the voice information is matched with any operable instruction in the current operable instruction set, transmitting the operable instruction to the household appliance.
In summary, according to the server provided in the embodiment of the present invention, the receiving module receives the voice information input by the user and sent by the home appliance, the processing module obtains the current operable instruction set of the home appliance, and the identifying module identifies the voice information according to the current operable instruction set. Therefore, the server of the embodiment of the invention carries out voice recognition in the screened operable instruction set, thereby greatly reducing the calculation amount of voice recognition, improving the recognition rate to a certain extent, improving the system safety and avoiding the execution of misoperation.
In order to implement the foregoing embodiments, the present invention further provides another server, which includes a memory, a processor, and a voice recognition program of a home appliance stored in the memory and operable on the processor, and when the processor executes the program, the voice recognition method of the home appliance according to another foregoing embodiment is implemented.
According to the server provided by the embodiment of the invention, through the voice recognition method of the household appliance, the calculation amount of voice recognition can be greatly reduced, the recognition rate can be improved to a certain extent, the system safety is improved, and the execution misoperation is avoided.
In order to implement the above-mentioned embodiment, the present invention also proposes another non-transitory computer-readable storage medium on which a voice recognition program of a home appliance is stored, which when executed by a processor implements the voice recognition method of the home appliance of the foregoing another embodiment.
According to the non-transitory computer-readable storage medium provided by the embodiment of the invention, the calculation amount of voice recognition can be greatly reduced through the voice recognition method of the household appliance, the recognition rate can be improved to a certain extent, the system safety is improved, and the execution misoperation is avoided.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
Any process or method descriptions in flow charts or otherwise described herein may be understood as representing modules, segments, or portions of code which include one or more executable instructions for implementing steps of a custom logic function or process, and alternate implementations are included within the scope of the preferred embodiment of the present invention in which functions may be executed out of order from that shown or discussed, including substantially concurrently or in reverse order, depending on the functionality involved, as would be understood by those reasonably skilled in the art of the present invention.
The logic and/or steps represented in the flowcharts or otherwise described herein, e.g., an ordered listing of executable instructions that can be considered to implement logical functions, can be embodied in any computer-readable medium for use by or in connection with an instruction execution system, apparatus, or device, such as a computer-based system, processor-containing system, or other system that can fetch the instructions from the instruction execution system, apparatus, or device and execute the instructions. For the purposes of this description, a "computer-readable medium" can be any means that can contain, store, communicate, propagate, or transport the program for use by or in connection with the instruction execution system, apparatus, or device. More specific examples (a non-exhaustive list) of the computer-readable medium would include the following: an electrical connection (electronic device) having one or more wires, a portable computer diskette (magnetic device), a Random Access Memory (RAM), a read-only memory (ROM), an erasable programmable read-only memory (EPROM or flash memory), an optical fiber device, and a portable compact disc read-only memory (CDROM). Additionally, the computer-readable medium could even be paper or another suitable medium upon which the program is printed, as the program can be electronically captured, via for instance optical scanning of the paper or other medium, then compiled, interpreted or otherwise processed in a suitable manner if necessary, and then stored in a computer memory.
It should be understood that portions of the present invention may be implemented in hardware, software, firmware, or a combination thereof. In the above embodiments, the various steps or methods may be implemented in software or firmware stored in memory and executed by a suitable instruction execution system. If implemented in hardware, as in another embodiment, any one or combination of the following techniques, which are known in the art, may be used: a discrete logic circuit having a logic gate circuit for implementing a logic function on a data signal, an application specific integrated circuit having an appropriate combinational logic gate circuit, a Programmable Gate Array (PGA), a Field Programmable Gate Array (FPGA), or the like.
It will be understood by those skilled in the art that all or part of the steps carried by the method for implementing the above embodiments may be implemented by hardware related to instructions of a program, which may be stored in a computer readable storage medium, and when the program is executed, the program includes one or a combination of the steps of the method embodiments.
In addition, functional units in the embodiments of the present invention may be integrated into one processing module, or each unit may exist alone physically, or two or more units are integrated into one module. The integrated module can be realized in a hardware mode, and can also be realized in a software functional module mode. The integrated module, if implemented in the form of a software functional module and sold or used as a stand-alone product, may also be stored in a computer readable storage medium.
The storage medium mentioned above may be a read-only memory, a magnetic or optical disk, etc. Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art within the scope of the present invention.
Claims (14)
1. A voice recognition method of a household appliance is characterized by comprising the following steps:
acquiring voice information input by a user;
detecting a current state of the household appliance;
screening out a current operable instruction set corresponding to the current state from a preset state command list according to the current state of the household appliance, wherein the state command list is set based on service logic of the household appliance, and the state command list is used for indicating the operable instruction set corresponding to the state of each household appliance, and the service logic of the household appliance refers to an instruction which can be executed by the household appliance in each state; and
and recognizing the voice information according to the current operable instruction set.
2. The voice recognition method of a home appliance according to claim 1, wherein the current operational instruction set includes at least one operational instruction, each operational instruction having a plurality of voice templates.
3. The voice recognition method of a home appliance according to claim 1, wherein the recognizing the voice information according to the current operational instruction set comprises:
comparing and matching the voice information with each operable instruction in the current operable instruction set;
and when the voice information is matched with any operable instruction in the current operable instruction set, determining that the operable instruction is an instruction corresponding to the voice information.
4. A household appliance, characterized in that it comprises:
the voice acquisition unit is used for acquiring voice information input by a user;
a state detection unit for detecting a current state of the home appliance;
the processing unit is used for screening out a current operable instruction set corresponding to the current state from a preset state command list according to the current state of the household appliance, wherein the state command list is set based on the service logic of the household appliance, the state command list is used for indicating the operable instruction set corresponding to the state of each household appliance, and the service logic of the household appliance refers to an instruction which can be executed by the household appliance in each state; and
and the voice recognition unit is used for recognizing the voice information according to the current operable instruction set so as to acquire an instruction corresponding to the voice information.
5. The domestic appliance according to claim 4, wherein said currently operable instruction set comprises at least one operable instruction, each operable instruction having a plurality of voice templates.
6. The household appliance according to claim 4, wherein the voice recognition unit is further configured to compare and match the voice information with each operable instruction in the current operable instruction set, and determine that the operable instruction is an instruction corresponding to the voice information when the voice information matches any operable instruction in the current operable instruction set.
7. A household appliance comprising a memory, a processor and a voice recognition program of the household appliance stored on the memory and operable on the processor, when executing the program, implementing the voice recognition method of the household appliance as claimed in any one of claims 1 to 3.
8. A non-transitory computer-readable storage medium, on which a voice recognition program of a home appliance is stored, which when executed by a processor implements the voice recognition method of the home appliance according to any one of claims 1 to 3.
9. A voice recognition method of a household appliance is applied to a server and comprises the following steps:
receiving voice information input by a user and sent by a household appliance;
receiving the current state of the household appliance sent by the household appliance;
screening out a current operable instruction set corresponding to the current state from a preset state command list according to the current state of the household appliance, wherein the state command list is set based on service logic of the household appliance, and the state command list is used for indicating the operable instruction set corresponding to the state of each household appliance, and the service logic of the household appliance refers to an instruction which can be executed by the household appliance in each state;
recognizing the voice information according to the current operable instruction set to obtain a recognition result;
and sending the identification result to the household appliance.
10. The voice recognition method of a home appliance according to claim 9, wherein the current operational instruction set includes at least one operational instruction, each operational instruction having a plurality of voice templates.
11. The voice recognition method of a home appliance according to claim 9, wherein the recognizing the voice information according to the current operational instruction set comprises:
comparing and matching the voice information with each operable instruction in the current operable instruction set;
and when the voice information is matched with any operable instruction in the current operable instruction set, transmitting the operable instruction to the household appliance.
12. A server, comprising:
the receiving module is used for receiving voice information input by a user and sent by a household appliance and the current state of the household appliance sent by the household appliance;
the processing module is used for screening out a current operable instruction set corresponding to the current state from a preset state command list according to the current state of the household appliance, wherein the state command list is set based on the service logic of the household appliance, the state command list is used for indicating the operable instruction set corresponding to the state of each household appliance, and the service logic of the household appliance refers to an instruction which can be executed by the household appliance in each state;
the recognition module is used for recognizing the voice information according to the current operable instruction set to obtain a recognition result;
and the sending module is used for sending the identification result to the household appliance.
13. A server, characterized by comprising a memory, a processor and a voice recognition program of a home appliance stored on the memory and operable on the processor, the processor implementing the voice recognition method of the home appliance according to any one of claims 9 to 11 when executing the program.
14. A non-transitory computer-readable storage medium, on which a voice recognition program of a home appliance is stored, which when executed by a processor implements the voice recognition method of the home appliance according to any one of claims 9 to 11.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810139656.XA CN108389580B (en) | 2018-02-11 | 2018-02-11 | Household appliance, voice recognition method thereof and server |
| PCT/CN2019/074239 WO2019154282A1 (en) | 2018-02-08 | 2019-01-31 | Household appliance and voice recognition method, control method and control device thereof |
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| CN201810139656.XA CN108389580B (en) | 2018-02-11 | 2018-02-11 | Household appliance, voice recognition method thereof and server |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2019154282A1 (en) * | 2018-02-08 | 2019-08-15 | 广东美的厨房电器制造有限公司 | Household appliance and voice recognition method, control method and control device thereof |
| CN109920413A (en) * | 2018-12-28 | 2019-06-21 | 广州索答信息科技有限公司 | A kind of implementation method and storage medium of kitchen scene touch screen voice dialogue |
| CN109785825B (en) * | 2018-12-29 | 2021-07-30 | 长虹美菱日电科技有限公司 | Speech recognition algorithm, storage medium and electric appliance applying speech recognition algorithm |
| CN109859764A (en) * | 2019-01-04 | 2019-06-07 | 四川虹美智能科技有限公司 | A kind of sound control method and intelligent appliance |
| CN110119096A (en) * | 2019-05-28 | 2019-08-13 | 广东美的厨房电器制造有限公司 | The control method and device of household appliance |
| CN111884887A (en) * | 2020-07-01 | 2020-11-03 | 海尔优家智能科技（北京）有限公司 | Voice interaction method and device, storage medium and electronic device |
| CN113596234B (en) * | 2021-06-29 | 2023-03-31 | 青岛海尔科技有限公司 | Method and device for determining equipment function model, storage medium and electronic device |
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