CN111292726A - Method and system for changing awakening words offline - Google Patents
Method and system for changing awakening words offline Download PDFInfo
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- CN111292726A CN111292726A CN202010163463.5A CN202010163463A CN111292726A CN 111292726 A CN111292726 A CN 111292726A CN 202010163463 A CN202010163463 A CN 202010163463A CN 111292726 A CN111292726 A CN 111292726A
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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
- G10L15/26—Speech to text systems
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/20—Information retrieval; Database structures therefor; File system structures therefor of structured data, e.g. relational data
- G06F16/23—Updating
- G06F16/2372—Updates performed during offline database operations
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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
- G10L15/06—Creation of reference templates; Training of speech recognition systems, e.g. adaptation to the characteristics of the speaker's voice
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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
- H04L12/282—Controlling appliance services of a home automation network by calling their functionalities based on user interaction within the home
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Abstract
The invention discloses a method and a system for changing a wake-up word off line, and belongs to the technical field of voice recognition. The method comprises the following steps: the method comprises the steps of inputting a new awakening word, converting the format of the new awakening word, establishing a new awakening word sound model, replacing the new awakening word and applying the new awakening word. The invention solves the problems that the voice awakening words in the intelligent equipment are single and fixed and need network connection in the change process, so that the change of the awakening words of the intelligent equipment can be carried out under the condition of no network, the personal privacy leakage in the networking process is avoided, and the application range is wider.
Description
Technical Field
The invention relates to the field of application of voice recognition technology, in particular to a method and a system for changing a wake-up word off line.
Background
Currently, voice recognition is widely applied to various smart homes and smart devices as a common human-computer interaction technology, and gradually becomes a mainstream interaction mode of the smart devices, and most of the current voice recognition smart devices are started by adopting a wake-up word wake-up mode, that is, when the smart devices recognize a wake-up word sent by a user, the devices are woken up to receive a next instruction and then perform a next action. In the existing intelligent equipment, the awakening words are solidified in the equipment by a manufacturer, and a user is difficult to change, so that the requirement of the user for individual customization cannot be met. In addition, when a user has multiple voice recognition devices with different models at the same time, if the devices have the same wake-up word, when the user wakes up the devices, the user may be confused to wake up other devices, which brings trouble to the user. In the existing awakening word changing mode, a recording mode is adopted for inputting, and equipment directly identifies the recording for awakening, but the mode is only suitable for the recording owner. In addition, in the current awakening word changing mode, the algorithm for changing the awakening word is completed in cloud computing, and the equipment needs to be connected with a network and cannot be completed offline. When the environment where the intelligent equipment is located does not have a network, or the user does not want networking operation, the change of the awakening words through the cloud computing cannot meet the user requirements, in addition, the change of the awakening words through networking consumes more energy, and the related privacy of the user is easily revealed during networking, so that other possible damages are caused. In order to solve the problems, the invention provides a method and a system for changing the awakening word in an off-line state, so that a user can change the awakening word of the intelligent device or the intelligent switch in the off-line state, and the method and the system are simpler and faster and have wider application range.
Disclosure of Invention
The invention mainly solves the technical problem of providing a method and a system for changing the awakening words in the offline state, so that a user can autonomously change the awakening words of the intelligent equipment in the offline state, and the privacy disclosure possibly caused by networking when the awakening words are changed online is avoided. In addition, some areas can not popularize the network or the network signal is poor, and the change of the awakening word by using the networking mode is not convenient.
The method for changing the awakening words off line comprises the following steps: inputting a new awakening word, namely inputting the new awakening word into an awakening word input module by a user through an upper computer and storing the new awakening word in text information; a new awakening word format conversion step, namely receiving new awakening word character information, and converting the new awakening word from a character format to a voice recognition grammar format by using an offline engine grammar through analyzing the new awakening word character information in an offline state; a new awakening word voice model establishing step, in an off-line state, analyzing, compiling and converting the voice recognition grammar format of the new awakening word into the voice model format of the new awakening word through an off-line voice model tool; and a step of replacing the new awakening word, in which the upper computer is connected with the equipment, an old awakening word voice model in the equipment voice module is deleted, and the voice model of the new awakening word is loaded.
The invention discloses a system for changing awakening words off line, which comprises: the input awakening word module is used for completing the input of a new awakening word and finally storing the new awakening word in the form of text information; the wake-up word generation module is used for converting the input new wake-up word text information into a voice recognition grammar format and converting the new wake-up word in the voice recognition grammar format into a voice model format of the new wake-up word; the device comprises a wake-up word replacing module, an upper computer and a device, wherein the wake-up word replacing module deletes an old wake-up word sound model in a device voice module, stores a new wake-up word voice model into the device voice module, and a device voice recognition module stores the new wake-up word voice model, receives user voice, recognizes and analyzes the user voice, compares an analysis result with the stored new wake-up word sound model, and if the new wake-up word sound model is matched with the user voice, the device is awakened.
The method has the advantages that the user can autonomously modify the awakening words of the intelligent equipment in a self-defined manner, the individualized requirements of the user are met, networking is not needed in the awakening word modification process, the awakening word modification requirement in the absence of the network is met, the applicable scene is wider, and in addition, the security problems of privacy disclosure and the like possibly caused in the process of modifying the awakening words in a networking manner are also avoided.
Drawings
FIG. 1 is a flow chart of a method for modifying wake-up words in an off-line state according to the present invention;
FIG. 2 is a block diagram of a system for modifying wake words in an offline state according to the present invention.
Detailed Description
The following describes a method and a system for changing a wake-up word in an offline state according to embodiments in detail with reference to the accompanying drawings. So that the advantages and features of the invention may be more readily understood by those skilled in the art, and the scope of the invention may be more clearly and clearly defined. It should be noted that the following examples are described by taking smart homes as examples, and those skilled in the art can understand that the technical solution described in the present invention is applicable to other smart voice devices.
The flow chart of the method for changing the awakening word in the offline state provided by the invention is shown in fig. 1.
Step S101, awakening word input.
The user can input the awakening words through the awakening word input module on the upper computer. In a specific embodiment of the present invention, the user can input a new customized and personalized awakening word by using an awakening word input module on a personal computer or a mobile phone and by using input methods such as characters or voice. And the awakening word input module finally stores the text information of the new awakening word and transmits the text information. For example, a user inputs a new wake-up word "small white" in a wake-up word input module on a personal computer, and the new wake-up word "small white" is stored as text information after being recognized by the wake-up word input module.
Step S102, awakening word format conversion.
In a specific embodiment of the present invention, when the wakeup word generation module receives wakeup word input information from the wakeup word input module, the format of the wakeup words is converted by the offline engine grammar module, and the new wakeup word file in the text format is converted into the speech grammar format file in the JSGF. In a specific embodiment of the present invention, the module for generating a wakeup word model receives text information of a new wakeup word "small white", and converts the "small white" of the text information into the "small white" in JSGF format of speech recognition grammar by using the offline engine grammar.
And step S103, establishing a wake-up word model.
In a specific embodiment of the present invention, the off-line speech model module in the wake word model generation module receives the JSGF speech grammar format file of the new wake word, and compiles the new wake word in the JSGF speech grammar format to generate a new wake word speech model in the DAT file format. In one embodiment of the invention, the wake word generation model module receives a new wake word file of "pinkish" in JSG format, and compiles the new wake word "pinkish" in DAT file format using an offline speech model tool "
Step S104, the awakening word is replaced.
In a specific embodiment of the invention, the connection mode of the upper computer and the equipment comprises a local area network, a data line and a Bluetooth connection mode. And the awakening word replacing module receives the new awakening word voice model generated by compiling the awakening word model generating module, deletes the old awakening word voice model stored in the voice module in the equipment and loads the voice model of the new awakening word. And if the new awakening word model fails to be replaced, the host computer sends a prompt of the replacement failure of the new awakening word model.
In a specific example of the present invention, a user performs bluetooth connection with a device through a personal computer, and the wakeup word replacement module deletes the old wakeup word voice model "small black" in the device voice module and loads the new wakeup word voice model "small white". And if the new awakening word model fails to be replaced, the host computer sends a prompt of the new awakening word model replacement failure, such as a new awakening word replacement failure and a new awakening word replacement process.
Step S105, awakening the application of the word.
In a specific embodiment of the present invention, in the device voice module, the user voice is received, and the user voice is recognized, analyzed, and compared with the new wake-up word voice model stored in the device voice module, and if the new wake-up word voice model matches with the user voice, the device is woken up.
In one embodiment of the invention, the device voice module receives the user voice, analyzes the user voice, compares the recognition result with the stored new awakening word voice model, and if the user voice is matched with the new awakening word voice model, the device is awakened and other operations can be performed subsequently.
The system for changing the awakening words in the offline state provided by the invention has the relationship diagram of each functional module as shown in fig. 2.
The system for changing the awakening words in the off-line state comprises the following steps: the device comprises an input awakening word module, an awakening word generation module, an awakening word replacement module and an equipment voice recognition module.
In one embodiment of the present invention, the wake-up word input module completes the input of a new wake-up word. In this embodiment, the wakeup word input module on the upper computer, such as a personal computer or a mobile phone, may be used to complete the wakeup word input. In an embodiment of the present invention, the input mode may be text input, voice input, or other input methods.
In a specific embodiment of the present invention, the module for generating a wakeup word model converts an input new wakeup word into a speech recognition grammar format, and converts a new wakeup word in a speech recognition grammar format into a speech model format of a new wakeup word. In one embodiment of the invention, the wake word generation module comprises an offline engine grammar module, and the offline engine grammar module converts the new wake words of the word events into JSG speech recognition grammar format files. In one embodiment of the invention, the generate wake words module comprises an offline speech model module, wherein the offline speech model module compiles new wake words in JSGF format to generate a speech model in DAT format. The volume voice model of the new awakening word is generated by the awakening word generating module in an off-line state, compared with a method for changing the awakening word through networking, the volume voice model is simpler, more convenient and faster, the networking trouble is eliminated, and the volume voice model is suitable for areas with weak network signals or no network.
In a specific embodiment of the present invention, the wakeup word replacement module deletes the old wakeup word speech information in the device speech module, and stores the new wakeup word statement speech model into the device speech module. In a specific embodiment of the present invention, an upper computer, i.e., a computer or a mobile phone, is connected to the device through a lan, a data line or a bluetooth, and the like, and the wakeup word replacement module on the upper computer deletes old wakeup word voice information in the device voice module and stores a new wakeup word statement voice model in the device voice module. If the voice model fails to be replaced, a new awakening word changing process is carried out again, and prompt information is sent out to remind the user as shown in fig. 2.
In a specific embodiment of the present invention, the device voice recognition module stores the voice model of the new wake-up word, receives the user voice, recognizes and analyzes the user voice, compares the user voice with the stored new wake-up word voice model, and wakes up the device if the new wake-up word voice model matches the user voice.
In a specific example of the present invention, the current wake-up word of the smart home is "smart housekeeper", the wake-up word required by the user is "easy and simple", and the change of the wake-up word is described as follows: firstly, inputting a small easy and a small easy through an input awakening word module of computer upper computer software; then converting the character information of the awakening word 'Xiaoyi' into a JSG voice recognition grammar format of 'Xiaoyi' through an awakening word generation module on the computer, and compiling the JSG voice recognition grammar format to generate a 'Xiaoyi' awakening word voice model of a DAT format by using an offline voice model tool; then, connecting the computer with the smart home through a data line, deleting the voice model of the original awakening word 'smart housekeeper' in the voice module of the smart home through the awakening word replacing module, and loading the voice model of the new awakening word 'small, easy and simple' into the voice module of the smart home; and finally, after the voice module on the intelligent home is successfully loaded with the voice model of the new awakening word 'Xiaoyixiao', when the user awakens the intelligent home, the user only needs to use the awakening word 'Xiaoyixiao'.
In a specific example of the present invention, the current wake-up word of the smart home is "smart housekeeper", the wake-up word required by the user is "white and white", and the change of the wake-up word is described as follows: firstly, inputting 'small white and small white' through an input awakening word module of mobile phone upper computer software; then converting the character information of the awakening word 'small white and small white' into a JSG voice recognition grammar format of 'small white and small white' through an awakening word generation module on the mobile phone, and compiling the JSG voice recognition grammar format to generate a 'small white and small white' awakening word voice model of a DAT format by using an offline voice model tool; then, the mobile phone is connected with the smart home through Bluetooth, the voice model of the original awakening word 'smart housekeeper' in the smart home voice module is deleted through the awakening word replacing module, and the voice model of the new awakening word 'small white and small white' is loaded into the smart home voice module; and finally, after the voice module on the intelligent home successfully loads the voice model of the new awakening word 'Xiaobai', when the user awakens the intelligent home, the user only needs to use the awakening word 'Xiaobai'.
By the method and the system for changing the awakening words in the off-line state, the user can change the self-defined awakening words without networking. The limitation that the awakening words cannot be changed when no network exists or network signals are poor in some areas is avoided, and some network unsafe factors during networking are also avoided. The user can self-define the awakening words to change, and the user experience is improved. The method and the system for changing the awakening words in the off-line state are suitable for voice-controlled equipment, and the method and the system comprise the following steps of: data line connection, LAN connection and bluetooth connection, establish contact with equipment, the range of application is wide. Meanwhile, the operation is carried out in an off-line state, and compared with a mode of carrying out awakening word replacement through networking, the power consumption is reduced, and the operation is more convenient and faster.
Claims (10)
1. A method for changing a wake-up word off-line, comprising the steps of:
inputting a new awakening word, namely inputting the new awakening word into an awakening word input module by a user through an upper computer and storing the new awakening word in text information;
a new awakening word format conversion step, namely receiving the new awakening word character information, and converting the new awakening word from a character format to a voice recognition grammar format by using an offline engine grammar through analyzing the new awakening word character information in an offline state;
a new awakening word voice model establishing step, in an off-line state, analyzing, compiling and converting the voice recognition grammar format of the new awakening word into the voice model format of the new awakening word through an off-line voice model tool;
and replacing the new awakening word, namely establishing connection between the upper computer and the equipment, deleting an old awakening word voice model in an equipment voice module, and loading the voice model of the new awakening word.
2. The method of changing a wake word as claimed in claim 1, further comprising,
and an application step of a new awakening word, namely receiving user voice in the equipment voice module, identifying and analyzing the user voice, comparing the user voice with the new awakening word voice model stored in the equipment voice module, and awakening the equipment if the new awakening word voice model is matched with the user voice.
3. The method of changing a wake-up word as claimed in claim 1, wherein in the inputting of the new wake-up word, the upper computer is a computer and/or a smart phone.
4. The method for modifying a wake word as claimed in claim 1, wherein in the step of converting the new wake word format, the off-line engine grammar is a writing rule for converting the new wake word text information into a JSGF format which is a speech recognition grammar.
5. The method of changing a wake word as claimed in claim 1, wherein in the new wake word voice model building step, the offline voice model tool compiles the voice recognition grammar format of the new wake word to generate the voice model DAT format file.
6. The method for changing the wake-up word as claimed in claim 1, wherein in the step of replacing the new wake-up word, the connection mode between the upper computer and the device includes a data line connection mode, a local area network connection mode and a bluetooth connection mode.
7. The method according to claim 1, wherein the new wake-up word is input in a manner of voice input and/or text input.
8. A system for modifying a wake word, comprising:
the input awakening word module is used for completing the input of a new awakening word and finally storing the new awakening word in the form of text information;
the module for generating the awakening word model is used for converting the input new awakening word text information into a voice recognition grammar format and converting the new awakening word in the voice recognition grammar format into a voice model format of the new awakening word;
a wake-up word replacement module, the upper computer is connected with the equipment, deletes the old wake-up word voice model in the equipment voice module, stores the new wake-up word voice model into the equipment voice module, and
and the equipment voice recognition module is used for storing the voice model of the new awakening word, receiving the user voice, recognizing and analyzing the user voice, comparing the analysis result with the stored new awakening word voice model, and awakening the equipment if the new awakening word voice model is matched with the user voice.
9. The system for altering a wake word as recited in claim 8, wherein the means for generating a wake word further comprises:
the offline engine grammar generating module is used for converting the text information of the new awakening word into a JSG voice recognition grammar format file by utilizing an offline engine grammar rule;
an offline speech model module that compiles the JSG format file to generate a DAT format for the speech model.
10. The system for changing wake words as claimed in claim 8, wherein the system for changing wake words is connected to the device in a manner including a data line connection, a lan connection and a bluetooth connection.
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Application publication date: 20200616 |