WO2015158133A1 - Procédé de correction d'erreurs et système d'instruction de commande vocale - Google Patents

Procédé de correction d'erreurs et système d'instruction de commande vocale Download PDF

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Publication number
WO2015158133A1
WO2015158133A1 PCT/CN2014/091946 CN2014091946W WO2015158133A1 WO 2015158133 A1 WO2015158133 A1 WO 2015158133A1 CN 2014091946 W CN2014091946 W CN 2014091946W WO 2015158133 A1 WO2015158133 A1 WO 2015158133A1
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WO
WIPO (PCT)
Prior art keywords
voice control
control instruction
code
mapping relationship
control code
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PCT/CN2014/091946
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English (en)
Chinese (zh)
Inventor
程德凯
吕艳红
Original Assignee
广东美的制冷设备有限公司
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Application filed by 广东美的制冷设备有限公司 filed Critical 广东美的制冷设备有限公司
Publication of WO2015158133A1 publication Critical patent/WO2015158133A1/fr

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
    • H04L65/40—Support for services or applications

Definitions

  • the present invention relates to the field of voice control technologies, and in particular, to a voice control instruction error correction method and system.
  • the built-in voice pickup device of the controlled device is mainly used to pick up the user's voice and identify it. After parsing, the command is sent to the control unit to control the device to perform related operations.
  • the main problem existing in the current system is that the user-oriented accent of the voice device is various, there are some cases where the instruction recognition error occurs, and the correct control code corresponding to the voice control instruction identifying the error cannot be determined, and the recognition error cannot be identified.
  • the voice control command performs error correction, resulting in low accuracy of voice control.
  • the main object of the present invention is to provide a voice control instruction error correction method and system, aiming at improving the accuracy of voice control.
  • the invention provides a voice control instruction error correction method, which comprises:
  • the controlled terminal Upon receiving the voice control instruction, the controlled terminal analyzes whether the received voice control instruction satisfies the recognition error condition;
  • the controlled terminal determines a control code corresponding to the received voice control instruction according to a mapping relationship between the pre-stored voice control instruction and the control code;
  • the controlled terminal sends the received voice control command and the determined control code to a preset server, so that the server returns the correct voice to the controlled terminal based on the received voice control command and the control code.
  • the controlled terminal updates the mapping relationship between the pre-stored voice control instruction and the control code according to the received mapping relationship between the voice control instruction and the control code, the voice control instruction or the control code.
  • the step of the server returning the correct mapping relationship between the voice control instruction and the control code, the voice control instruction or the control code to the controlled terminal based on the received voice control instruction and the control code includes:
  • the server When the received voice control instruction does not match the control code, the server returns a mapping relationship, a voice control instruction or a control code of the correct voice control instruction and the control code to the controlled terminal.
  • the server when the received voice control instruction does not match the control code, the server returns a correct mapping relationship between the voice control instruction and the control code, a voice control instruction or a control code to the controlled terminal.
  • the method further includes:
  • the server collects sound feature parameters of the received voice control instruction
  • the server performs sound parameter adjustment on the pre-stored voice control command according to the collected sound feature parameters.
  • the identifying error condition comprises that the number of times the same voice control instruction is received within a preset time interval exceeds a preset threshold and/or the control code corresponding to the received voice control command conflicts with the current operating mode.
  • the controlled terminal analyzes whether the received voice control instruction satisfies the step of identifying the error condition, and further includes the steps of:
  • the controlled terminal acquires its current location information
  • the controlled terminal acquires a control code corresponding to the received voice control instruction according to the mapping relationship between the determined voice control instruction and the control code, and responds to the control code.
  • the controlled terminal acquires the control code corresponding to the received voice control instruction according to the mapping relationship between the determined voice control instruction and the control code, and after responding to the control code, the method further includes:
  • the controlled terminal performs error correction on the voice control instruction in a human-computer interaction manner based on the activated voice control instruction error correction mode.
  • the controlled terminal acquires the control code corresponding to the received voice control instruction according to the mapping relationship between the determined voice control instruction and the control code, and after responding to the control code, the method further includes:
  • the controlled terminal Receiving, by the user, an error correction instruction based on the transmission of the voice control instruction of the current response, the controlled terminal prompting the user to input the language category information thereof;
  • the controlled terminal determines a mapping relationship between the voice control instruction corresponding to the received language category information and the control code according to the correspondence between the preset language category information and the mapping relationship between the voice control instruction and the control code.
  • the controlled terminal acquires a control code corresponding to the received voice control instruction according to the mapping relationship between the obtained voice control instruction and the control code, and responds to the control code.
  • the controlled terminal acquires a control code corresponding to the received voice control instruction according to the mapping relationship between the determined voice control instruction and the control code, and the step of responding to the control code includes:
  • the controlled terminal sequentially compares the received voice control command with the voice control command in the mapping relationship between the obtained voice control command and the control code;
  • the controlled terminal when the voice control command matches the received voice control command, the controlled terminal obtains the control code corresponding to the matched voice control command, And responding to the control code.
  • the method includes:
  • the controlled terminal when no voice control instruction matches the received voice control instruction, the controlled terminal prompts the user to input the language feature information;
  • the controlled terminal determines a mapping relationship between the voice control instruction corresponding to the received language feature information and the control code according to the preset relationship between the language feature information and the mapping relationship between the voice control command and the control code;
  • the controlled terminal acquires a control code corresponding to the received voice control instruction according to the mapping relationship between the obtained voice control instruction and the control code, and responds to the control code.
  • the method includes:
  • the controlled terminal when the voice control command is not matched with the received voice control command, the controlled terminal receives the received voice control command and each of the pre-stored key sounds Make comparisons;
  • the controlled terminal determines the location corresponding to the key tone that matches the received voice control command according to the mapping relationship between the pre-stored key tone and the location information. information;
  • the controlled terminal acquires a mapping relationship between the voice control instruction and the control code according to the obtained location information
  • the controlled terminal determines a control code corresponding to the received voice control instruction according to the mapping relationship between the obtained voice control instruction and the control code, and responds to the control code.
  • the invention also provides a voice control instruction error correction method, comprising:
  • the controlled terminal After responding to the received voice control command, the controlled terminal detects and receives an error correction command sent by the user based on the current response voice control instruction;
  • the controlled terminal determines the received voice control instruction and its corresponding control code
  • the controlled terminal sends the received voice control instruction and its corresponding control code to a preset server, so that the server returns the correct voice to the controlled terminal based on the received voice control instruction and the control code.
  • the controlled terminal updates the mapping relationship between the pre-stored voice control instruction and the control code according to the received mapping relationship between the voice control instruction and the control code, the voice control instruction or the control code.
  • the invention also provides a voice control instruction error correction system, comprising:
  • An analysis module configured to analyze whether the received voice control instruction satisfies an identification error condition when receiving the voice control instruction
  • a determining module configured to determine, according to a mapping relationship between the pre-stored voice control instruction and the control code, the control code corresponding to the received voice control instruction, when the received voice control instruction satisfies the recognition error condition;
  • a sending module configured to send the received voice control command and the determined control code to a preset server, for the server to return the correct voice to the controlled terminal based on the received voice control command and the control code a mapping relationship between voice control instructions and control codes, voice control instructions or control codes;
  • an update module configured to update a mapping relationship between the pre-stored voice control instruction and the control code according to the received mapping relationship between the voice control instruction and the control code, the voice control instruction, or the control code.
  • the server returns, according to the received voice control instruction and the control code, a mapping relationship, a voice control instruction or a control code of the correct voice control instruction and the control code to the controlled terminal, which is implemented by a control module of the server,
  • the control module includes:
  • a determining unit configured to determine whether the received voice control instruction matches the control code
  • a sending unit configured to: when the received voice control instruction does not match the control code, return a mapping relationship, a voice control instruction, or a control code of the correct voice control instruction and the control code to the controlled terminal.
  • control module further includes:
  • An acquisition unit configured to collect sound feature parameters of the received voice control instruction
  • the adjusting unit is configured to perform sound parameter adjustment on the pre-stored voice control command that matches the received voice control command according to the collected sound feature parameter.
  • the identifying error condition comprises that the number of times the same voice control instruction is received within a preset time interval exceeds a preset threshold and/or the control code corresponding to the received voice control command conflicts with the current operating mode.
  • the voice control instruction error correction further includes:
  • a positioning module configured to acquire current location information when the received voice control instruction does not satisfy the recognition error condition
  • the determining module is further configured to determine, according to the preset location information, a mapping relationship between the voice control instruction and the control code corresponding to the obtained location information, and the mapping relationship between the voice control instruction and the control code;
  • the processing module acquires a control code corresponding to the received voice control instruction according to the mapping relationship between the determined voice control instruction and the control code, and responds to the control code.
  • the voice control instruction error correction further includes:
  • a startup module configured to start a voice control instruction error correction mode when receiving an error correction instruction sent by the user based on a voice control instruction of the current response
  • the error correction module is configured to perform error correction on the voice control instruction in a human-computer interaction manner based on the error correction mode of the activated voice control instruction.
  • the system further comprises:
  • a prompting module configured to prompt the user to input the language category information when receiving the error correction instruction sent by the user based on the voice control instruction of the current response;
  • the obtaining module is configured to determine, according to the preset language category information, a mapping relationship between the voice control instruction and the control code corresponding to the received language category information, and the mapping relationship between the voice control instruction and the control code ;
  • the processing module is further configured to acquire a control code corresponding to the received voice control instruction according to the mapping relationship between the acquired voice control instruction and the control code, and respond to the control code.
  • the system further includes: the processing module includes:
  • a comparison unit configured to sequentially compare the received voice control instruction with the voice control instruction in the mapping relationship between the obtained voice control instruction and the control code
  • a processing unit configured to: in a mapping relationship between the obtained voice control instruction and the control code, when the voice control instruction is matched with the received voice control instruction, according to the control code corresponding to acquiring the matched voice control instruction, And responding to the control code.
  • the processing module further includes a prompting unit and a determining unit, wherein the prompting unit is configured to: in the mapping relationship between the acquired voice control instruction and the control code, no voice control instruction matches the received voice control instruction And prompting the user to input the language feature information; the determining unit is configured to determine, according to the preset language feature information, a correspondence relationship between the mapping relationship between the voice control instruction and the control code, and determine the voice control corresponding to the received language feature information. a mapping relationship between the instruction and the control code; the processing unit is further configured to acquire a control code corresponding to the received voice control instruction according to the mapping relationship between the acquired voice control instruction and the control code, and respond to the control Code.
  • the prompting unit is configured to: in the mapping relationship between the acquired voice control instruction and the control code, no voice control instruction matches the received voice control instruction And prompting the user to input the language feature information
  • the determining unit is configured to determine, according to the preset language feature information, a correspondence relationship between the mapping relationship between the voice control instruction and the control code, and
  • the voice control instruction error correction method and system when receiving the voice control instruction to satisfy the recognition error condition, the controlled terminal determines the received voice control instruction according to the mapping relationship between the pre-stored voice control instruction and the control code Corresponding control code, and sending the received voice control instruction and the determined control code to a preset server, for the server to return to the controlled terminal based on the received voice control instruction and the control code
  • the mapping relationship between the correct voice control command and the control code, the voice control command or the control code, and the controlled terminal updates the pre-stored voice control command according to the received mapping relationship between the voice control command and the control code, the voice control command or the control code.
  • the mapping relationship with the control code realizes error correction of the voice control instruction for identifying the error, and improves the accuracy of the voice control.
  • FIG. 1 is a schematic diagram of a hardware structure of a preferred embodiment of a controlled terminal for implementing voice control instruction error correction according to the present invention
  • FIG. 2 is a schematic diagram of functional modules of a preferred embodiment of the voice control instruction error correction system of FIG. 1;
  • FIG. 3 is a schematic flow chart of a first embodiment of a voice control instruction error correction method according to the present invention.
  • FIG. 4 is a schematic flow chart of a second embodiment of a voice control instruction error correction method according to the present invention.
  • FIG. 1 is a schematic diagram of a hardware structure of a preferred embodiment of a controlled terminal for implementing voice control instruction error correction according to the present invention.
  • the controlled terminal 1 includes a processing unit 11, a storage unit 12, a voice pickup device 13, and a voice control instruction error correction system 14.
  • the terminal 1 may be any applicable controlled terminal that supports voice control, such as a television, an air conditioner, and a refrigerator.
  • the voice pickup device 13 is configured to convert the generated electrical signal into a voice control command upon receiving the vibration of the sound wave.
  • the storage unit 12 is configured to store the voice control instruction error correction system 14 and its operation data, a preset voice control instruction recognition error condition, a mapping relationship between the voice control instruction and the control code, and a preset server address. It should be emphasized that the storage unit 12 may be a single storage device or a collective name of a plurality of different storage devices, and details are not described herein.
  • the processing unit 11 is configured to invoke and execute the voice control instruction error correction system 14.
  • the voice control instruction in the storage unit 12 is called to identify an error condition to determine the received voice. Whether the control instruction satisfies the voice control instruction recognition error condition, and when the received voice control instruction satisfies the voice control instruction recognition error condition, the mapping relationship between the voice control instruction stored in the storage unit 12 and the control code is called to determine the reception.
  • the control code corresponding to the voice control instruction and sending the received control command and the determined control code to the server, and receiving the mapping relationship between the correct voice control command and the control code, the voice control instruction or
  • the calling storage unit 12 updates the mapping relationship between the pre-stored voice control command and the control code by using the received mapping relationship between the voice control command and the control code, the voice control command or the control code.
  • the processing unit 11 and the storage unit 12 may be separate units, or may be integrated to form a controller, which is not described herein.
  • FIG. 2 is a schematic diagram of functional modules of a preferred embodiment of the voice control command error correction system of FIG. 1.
  • the functional block diagram shown in FIG. 3 is merely an exemplary diagram of a preferred embodiment, and those skilled in the art will surround the voice control command error correction system 14 shown in FIG.
  • the function module can be easily supplemented by a new function module; the name of each function module is a custom name, which is only used to assist in understanding various program function blocks of the voice control instruction error correction system 14, and is not used to limit the technical solution of the present invention.
  • the voice control instruction error correction system 14 proposed in this embodiment includes:
  • the analyzing module 141 is configured to analyze, when the voice control instruction is received, whether the received voice control instruction satisfies the recognition error condition;
  • the determining module 142 is configured to determine, according to the mapping relationship between the pre-stored voice control instruction and the control code, the control code corresponding to the received voice control instruction, when the received voice control instruction satisfies the recognition error condition;
  • the identifying error condition may include that the number of times the same voice control command is received within a preset time interval exceeds a preset threshold and/or the control code corresponding to the received voice control command conflicts with the current operating mode.
  • the controlled terminal receives the same voice control command within a preset time interval, and the controlled terminal recognizes that an error occurs more than 5 times; or, taking the air conditioner as an example, the current operating mode of the air conditioner is the heating mode.
  • the received voice control command is “air conditioning, seventeen degrees”. If the voice control command conflicts with the current heating mode, it is considered that the current voice control command recognizes an error and satisfies the recognition error condition.
  • the identifying the error condition may further include not recognizing the received voice control instruction, that is, according to the mapping relationship between the preset voice control instruction and the control code, the received voice control instruction cannot be queried. Corresponding control code. It should be noted that the identification error condition in this embodiment is not limited to the above, and the invention of the present application is not to confirm what the recognition error condition is, but to propose an inventive idea in the received voice control. When the instruction satisfies the recognition error condition, the control code corresponding to the received voice control instruction is determined.
  • the voice control command input by the user may be relatively simple, and may not be completely matched with the pre-stored voice control command, for example, the voice control command pre-stored by the air conditioner is “air conditioner, power on”, and the voice control input by the user.
  • the command may be “air conditioner, on”.
  • only the received voice control command needs to match the key tone of the pre-stored voice control command, and the received voice control command may be considered to correspond to the pre-stored voice control command, for example “ The air-conditioning, power-on sound is “air conditioning, on”.
  • the received voice control command is “air conditioner, on” or “air conditioner, on”
  • the received voice control command is considered to be “air conditioner, power on”.
  • the control code corresponding to “air conditioner, power on” is determined, and the determined control code is responded to.
  • the sending module 143 is configured to send the received voice control command and the determined control code to a preset server, so that the server returns a mapping relationship between the correct voice control command and the control code to the controlled terminal, Voice control instruction or control code;
  • the server may manually determine the received voice control command, or may return a correct voice to the controlled terminal based on the received voice control command and the control code by using a preset control system.
  • the updating module 144 is configured to update a mapping relationship between the pre-stored voice control instruction and the control code according to the received mapping relationship between the voice control instruction and the control code, the voice control instruction, or the control code.
  • the server may only return the correct voice control command to the controlled terminal, or may only return the correct control code to the controlled terminal, or return the mapping relationship between the voice control command and the control code to the controlled terminal;
  • the preferred solution is to return the correct voice control code to the controlled terminal, or return the mapping relationship between the correct voice control command and the control code to ensure that the controlled terminal can correctly recognize the received voice control during the next run. instruction.
  • the voice control instruction error correction system when the system receives the voice control instruction to satisfy the recognition error condition, the controlled terminal determines the received voice control according to the mapping relationship between the pre-stored voice control instruction and the control code.
  • the correct voice control instruction and control code mapping relationship, voice control instruction or control code are transmitted, and the controlled terminal updates its pre-stored voice control according to the received mapping relationship between the voice control instruction and the control code, the voice control instruction or the control code.
  • the mapping relationship between the instruction and the control code realizes error correction of the voice control instruction for identifying the error, and improves the accuracy of the voice control.
  • the server returns a mapping relationship, a voice control instruction, or a voice control instruction of the correct voice control instruction and the control code to the controlled terminal based on the received voice control instruction and the control code.
  • the control code is implemented by a control module of the server, the control module comprising:
  • a determining unit configured to determine whether the received voice control instruction matches the control code
  • a sending unit configured to: when the received voice control instruction does not match the control code, return a mapping relationship, a voice control instruction, or a control code of the correct voice control instruction and the control code to the controlled terminal.
  • the determining unit may directly determine the voice control instruction corresponding to the received control code according to the mapping relationship between the pre-stored voice control instruction and the control code, and sequentially and receive the determined multiple voice control commands.
  • the obtained voice control instruction is compared, and when the determined voice control instruction does not match the received voice control instruction, the received voice control instruction is not matched with the control code, and at this time, according to preset voice control a mapping relationship between the instruction and the control code, determining a control code corresponding to the received voice control instruction, and returning the mapping relationship between the correct control code or the received control command and the correct control code
  • the determining unit may directly determine the control code corresponding to the received voice control instruction according to the mapping relationship between the pre-stored voice control instruction and the control code, and determine the control code and the received control code. For comparison, when the determined control code does not match the received control code, it will be Control code control code back to the controlled terminal, or the received voice control command determined and transmitted back to the controlled terminal.
  • the update module 144 determines the voice control instruction corresponding to the received control code according to the mapping relationship between the pre-stored voice control instruction and the control code, and in the pre-stored voice control instruction and In the mapping relationship of the control code, the determined voice control command is replaced by the received voice control command; when the update module 144 receives the voice control command sent back by the server, or the mapping relationship between the voice control command and the control code,
  • the step of updating the mapping relationship between the pre-stored voice control command and the control code by using the received voice control command or the mapping relationship between the voice control command and the control code is similar to the above steps, and details are not described herein again.
  • the matching success command may be sent to the controlled terminal, and the controlled terminal responds to the received voice control command.
  • control module further includes:
  • An acquisition unit configured to collect sound feature parameters of the received voice control instruction
  • the adjusting unit is configured to perform sound parameter adjustment on the pre-stored voice control command according to the collected sound feature parameter.
  • the sound feature parameter may include audio, timbre, and sound intensity, etc.
  • the sound parameter adjustment is performed on the pre-stored voice control instruction to ensure the pre-stored voice control instruction and the control code.
  • the mapping relationship is updated in real time to make the recognition of voice control instructions more accurate.
  • the server may deliver the updated mapping relationship between the voice control command and the control code to the controlled terminal at a preset time interval, and the controlled terminal is configured according to the received voice control command and the control code.
  • the mapping relationship updates the mapping relationship between the pre-stored voice control instructions and the control code to ensure that the voice control of the controlled terminal is more accurate.
  • the voice control instruction error correction system 14 further includes:
  • a positioning module configured to acquire current location information when the received voice control instruction does not satisfy the recognition error condition
  • a positioning system such as a GPS positioning system or a Beidou positioning system may be set in the controlled terminal to obtain location information of the controlled terminal, and the location information may include a location area where the controlled terminal is located, for example, Guangdong. Republic, Shenzhen, etc.
  • the controlled terminal since the controlled terminal is generally controlled by the same person after being turned on, the preferred scheme of the solution, the controlled terminal can be set only when receiving the power-on command. Get its current location information; or when it detects a startup command that includes the startup mode of the startup step, it obtains its current location information.
  • the determining module is further configured to determine, according to the preset location information, a mapping relationship between the voice control instruction and the control code corresponding to the obtained location information, and the mapping relationship between the voice control instruction and the control code;
  • the correspondence between the preset location information and the mapping relationship between the voice control command and the control code may be saved in the storage unit of the controlled terminal, or may be saved and preset in the server, and controlled.
  • the terminal calls a mapping relationship between the corresponding voice control instruction and the control code by the server.
  • the determining module includes: a sending unit, configured to send the obtained location information to the server, to The server determines the mapping relationship between the voice control instruction corresponding to the received location information and the control code according to the correspondence between the pre-stored location information and the mapping relationship between the voice control command and the control code; the receiving unit, It is used to receive a mapping relationship between a voice control instruction issued by a server and a control code.
  • the correspondence between the preset location information and the mapping relationship between the voice control command and the control code is stored in a preset server, which can save the storage space of the controlled terminal.
  • the processing module acquires a control code corresponding to the received voice control instruction according to the mapping relationship between the determined voice control instruction and the control code, and responds to the control code.
  • the mapping relationship between the voice control instruction and the control code stored in the storage module is replaced by the mapping relationship between the control code and the received voice control instruction and the control code.
  • the voice control command may correspond to only one control code, or may be an operation mode, and multiple control codes are combined into their corresponding control codes.
  • the voice control instruction error correction system further includes:
  • a startup module configured to start a voice control instruction error correction mode when receiving an error correction instruction sent by the user based on a voice control instruction of the current response
  • the error correction module is configured to perform error correction on the voice control instruction in a human-computer interaction manner based on the error correction mode of the activated voice control instruction.
  • the processing module 153 acquires the control code corresponding to the received voice control instruction according to the mapping relationship between the determined voice control instruction and the control code, and after responding to the control code, the controlled terminal may The error correction instruction for transmitting is detected, and when the error correction instruction sent by the user is received at a preset time interval, the controlled terminal starts the voice control instruction error correction mode to prevent the user's accent from mismatching with the location where the user is located.
  • the error correction of the voice control instruction by the error correction module includes the following embodiments:
  • the first embodiment is: when the error control mode of the voice control instruction initiated by the startup module is the voice error correction mode, the error correction module determines the control code corresponding to the received voice control instruction, and plays the received voice control instruction and prompts the user to Reading, when receiving the voice control command input by the user, storing the received voice control command in association with the determined control code.
  • the second embodiment is: when the error correction mode of the voice control instruction initiated by the startup module is the voice error correction mode, the error correction module includes sequentially playing the pre-stored voice control instruction, and after each time the voice control instruction is played, determining the played back The control code corresponding to the voice control instruction, when receiving the voice control command within the preset time interval, saves the received voice control command in association with the determined control code until all pre-stored control commands are played.
  • the playback unit may send a prompt message to the user to prompt the user to follow the played voice control instruction each time the pre-stored voice control command is played.
  • the third embodiment is: when the error correction mode of the voice control instruction initiated by the startup module is the control terminal error correction mode, the error correction module generates prompt information to prompt the user to enter the control terminal training mode, and the acquisition module is configured to receive the user input.
  • the user obtains the key value information sent by the user based on the control terminal, determines the control code corresponding to the obtained key value information according to the mapping relationship between the pre-stored key value information and the control code, and obtains the received voice information. Saved in association with the determined control code.
  • the voice control instruction error correction system further includes:
  • a prompting module configured to prompt the user to input the language category information when receiving the error correction instruction sent by the user based on the voice control instruction of the current response;
  • the obtaining module is configured to determine, according to the preset language category information, a mapping relationship between the voice control instruction and the control code corresponding to the received language category information, and the mapping relationship between the voice control instruction and the control code ;
  • the processing module is further configured to acquire a control code corresponding to the received voice control instruction according to the mapping relationship between the acquired voice control instruction and the control code, and respond to the control code.
  • the accent of the user when the location information of the controlled terminal acquired by the positioning module is Guangdong, the accent of the user may be a Hunan accent, and the mapping relationship between the voice control instruction corresponding to Guangdong and the control code may be wrong.
  • the user finds that the controlled terminal responds with an error in the voice control command issued by the controlled terminal, the user may send an error correction command to the controlled terminal.
  • the voice control command issued by the user is “air conditioning, automatic”, and the air conditioner recognizes that “air conditioning, cooling” is switched to the cooling mode, and the user thinks that the air conditioner recognizes the error and can send “identification error” to the controlled terminal.
  • the voice control command can also send an error correction command to the controlled terminal by other means such as a button.
  • the processing module includes:
  • a comparison unit configured to sequentially compare the received voice control instruction with the voice control instruction in the mapping relationship between the obtained voice control instruction and the control code
  • a processing unit configured to: in a mapping relationship between the obtained voice control instruction and the control code, when the voice control instruction is matched with the received voice control instruction, according to the control code corresponding to acquiring the matched voice control instruction, And responding to the control code.
  • the acquired voice control instruction may be in a mapping relationship between the received voice control instruction and the control code.
  • Each voice control command is sequentially compared to confirm whether the user's accent matches the location where it is located, that is, whether the controlled terminal can accurately respond to the received voice control command.
  • the mapping relationship between the obtained voice control command and the control code when the voice control command matches the received voice control command, the location information acquired by the positioning module and the language feature information of the user (ie, the accent) are considered. Matching, at this time, the processing module responds to the control code according to the control code corresponding to the obtained voice control instruction.
  • the processing module further includes a prompting unit and a determining unit, wherein the prompting unit is configured to have no voice control in the mapping relationship between the obtained voice control instruction and the control code.
  • the determining unit is configured to determine the receiving relationship according to the mapping relationship between the voice control instruction and the control code according to the preset language feature information. a mapping relationship between the voice control instruction and the control code corresponding to the language feature information; the processing unit is further configured to acquire, according to the mapping relationship between the acquired voice control instruction and the control code, the corresponding voice control instruction Control code and respond to the control code.
  • the user's language feature information ie, accent
  • the location information obtained by the module does not match.
  • the user may be prompted to input the language feature information, and according to the preset location information, the correspondence relationship between the voice control command and the control code is determined, and the received language feature information is determined.
  • Corresponding voice control instruction and control code mapping relationship to ensure the accuracy of the voice control of the controlled terminal according to the voice control command sent by the user.
  • the error correction mode can also be started. For the error correction mode, reference may be made to the error correction of the voice control command in the foregoing embodiment, and details are not described herein again.
  • FIG. 3 is a schematic flowchart diagram of a first embodiment of a voice control instruction error correction method according to the present invention.
  • This embodiment provides a voice control instruction error correction method, including:
  • Step S10 when receiving the voice control instruction, the controlled terminal analyzes whether the received voice control instruction satisfies the recognition error condition;
  • Step S20 when the received voice control instruction satisfies the recognition error condition, the controlled terminal determines a control code corresponding to the received voice control instruction according to a mapping relationship between the pre-stored voice control instruction and the control code;
  • the identifying error condition may include that the number of times the same voice control command is received within a preset time interval exceeds a preset threshold and/or the control code corresponding to the received voice control command conflicts with the current operating mode.
  • the controlled terminal receives the same voice control command within a preset time interval, and the controlled terminal recognizes that an error occurs more than 5 times; or, taking the air conditioner as an example, the current operating mode of the air conditioner is the heating mode.
  • the received voice control command is “air conditioning, seventeen degrees”. If the voice control command conflicts with the current heating mode, it is considered that the current voice control command recognizes an error and satisfies the recognition error condition.
  • the identifying the error condition may further include not recognizing the received voice control instruction, that is, according to the mapping relationship between the preset voice control instruction and the control code, the received voice control instruction cannot be queried. Corresponding control code. It should be noted that the identification error condition in this embodiment is not limited to the above, and the invention of the present application is not to confirm what the recognition error condition is, but to propose an inventive idea in the received voice control. When the instruction satisfies the recognition error condition, the control code corresponding to the received voice control instruction is determined.
  • the voice control command input by the user may be relatively simple, and may not be completely matched with the pre-stored voice control command, for example, the voice control command pre-stored by the air conditioner is “air conditioner, power on”, and the voice control input by the user.
  • the command may be “air conditioner, on”.
  • only the received voice control command needs to match the key tone of the pre-stored voice control command, and the received voice control command may be considered to correspond to the pre-stored voice control command, for example “ The key sound of air conditioning and power on is “air conditioning, on”.
  • the received voice control command is “air conditioner, on” or “air conditioner, on”
  • the received voice control command is considered to be “air conditioner, power on”.
  • the control code corresponding to “air conditioner, power on” is determined, and the determined control code is responded to.
  • Step S30 the controlled terminal sends the received voice control command and the determined control code to a preset server, so that the server returns to the controlled terminal based on the received voice control command and control code. Passing the mapping relationship between the correct voice control command and the control code, the voice control command or the control code;
  • the server may manually determine the received voice control command, or may return a correct voice to the controlled terminal based on the received voice control command and the control code by using a preset control system.
  • Step S40 the controlled terminal updates the mapping relationship between the pre-stored voice control instruction and the control code according to the mapping relationship between the received voice control instruction and the control code, the voice control instruction or the control code.
  • the server may only return the correct voice control command to the controlled terminal, or may only return the correct control code to the controlled terminal, or return the mapping relationship between the voice control command and the control code to the controlled terminal;
  • the preferred solution is to return the correct voice control code to the controlled terminal, or return the mapping relationship between the correct voice control command and the control code to ensure that the controlled terminal can correctly recognize the received voice control during the next run. instruction.
  • the voice control instruction error correction method when the received voice control instruction satisfies the recognition error condition, the controlled terminal determines the received voice control according to the mapping relationship between the pre-stored voice control instruction and the control code.
  • the correct voice control instruction and control code mapping relationship, voice control instruction or control code are transmitted, and the controlled terminal updates its pre-stored voice control according to the received mapping relationship between the voice control instruction and the control code, the voice control instruction or the control code.
  • the mapping relationship between the instruction and the control code realizes error correction of the voice control instruction for identifying the error, and improves the accuracy of the voice control.
  • the server returns a mapping relationship, a voice control instruction, or a voice control instruction of the correct voice control instruction and the control code to the controlled terminal based on the received voice control instruction and the control code.
  • the steps to control the code include:
  • the server When the received voice control instruction does not match the control code, the server returns a mapping relationship, a voice control instruction or a control code of the correct voice control instruction and the control code to the controlled terminal.
  • the server may directly determine the voice control instruction corresponding to the received control code according to the mapping relationship between the pre-stored voice control instruction and the control code, and sequentially and determine the determined plurality of voice control commands.
  • the voice control command is compared.
  • the preset voice control command may be used according to the preset voice control command.
  • the controlled terminal or the server may directly determine the control code corresponding to the received voice control instruction according to the mapping relationship between the pre-stored voice control command and the control code, and compare the determined control code with the received control code. Yes, when the determined control code does not match the received control code, it will be determined. System control code transmitted back to the controlled terminal codes, or the received voice control command determined and transmitted back to the controlled terminal.
  • the controlled terminal When receiving the control code returned by the server, the controlled terminal determines the voice control instruction corresponding to the received control code according to the mapping relationship between the pre-stored voice control instruction and the control code, and in the pre-stored voice control instruction and In the mapping relationship of the control code, the determined voice control instruction is replaced by the received voice control instruction; when the controlled terminal receives the voice control instruction returned by the server, or the mapping relationship between the voice control instruction and the control code,
  • the step of updating the mapping relationship between the pre-stored voice control command and the control code by using the received voice control command or the mapping relationship between the voice control command and the control code is similar to the above steps, and details are not described herein again.
  • the server when the server determines that the received voice control command matches the control code, the server may send a matching success command to the controlled terminal, and the controlled terminal responds to the received voice control command.
  • the server sends the message to the After the control terminal returns the correct mapping relationship between the voice control instruction and the control code, the voice control instruction or the control code, the method further includes:
  • the server collects sound feature parameters of the received voice control instruction
  • the server performs sound parameter adjustment on the pre-stored voice control command according to the collected sound feature parameters.
  • the sound feature parameter may include audio, timbre, and sound intensity, etc.
  • the sound parameter adjustment is performed on the pre-stored voice control instruction to ensure the pre-stored voice control instruction and the control code.
  • the mapping relationship is updated in real time to make the recognition of voice control instructions more accurate.
  • the server may deliver the updated mapping relationship between the voice control command and the control code to the controlled terminal at a preset time interval, and the controlled terminal is configured according to the received voice control command and the control code.
  • the mapping relationship updates the mapping relationship between the pre-stored voice control instructions and the control code to ensure that the voice control of the controlled terminal is more accurate.
  • step S10 further includes the following steps:
  • the controlled terminal acquires its current location information
  • the controlled terminal acquires a control code corresponding to the received voice control instruction according to the mapping relationship between the determined voice control instruction and the control code, and responds to the control code.
  • a positioning system such as a GPS positioning system or a Beidou positioning system may be set in the controlled terminal to obtain location information of the controlled terminal, and the location information may include a location area where the controlled terminal is located, for example, Guangdong. Republic, Shenzhen, etc. Since the controlled terminal is generally controlled by the same person after being turned on, the preferred scheme of the solution, the controlled terminal can be set only when receiving the power-on command. Get its current location information; or when it detects a startup command that includes the startup mode of the startup step, it obtains its current location information.
  • the correspondence between the preset location information and the mapping relationship between the voice control command and the control code may be saved in the storage unit of the controlled terminal, or may be saved and preset in the server, and controlled.
  • the terminal calls a mapping relationship between the corresponding voice control instruction and the control code by the server.
  • the correspondence between the mapping relationships between the codes determines the mapping relationship between the voice control instructions and the control codes corresponding to the acquired location information, including:
  • the controlled terminal sends the acquired location information to the server, so that the server determines, according to the pre-stored location information, the correspondence between the mapping relationship between the voice control command and the control code, and determines the received location information. a mapping relationship between the voice control instructions and the control code;
  • the controlled terminal receives a mapping relationship between a voice control command and a control code sent by the server.
  • the correspondence between the preset location information and the mapping relationship between the voice control command and the control code is stored in a preset server, which can save the storage space of the controlled terminal.
  • the mapping relationship between the voice control instruction and the control code stored in the storage module is replaced by the mapping relationship between the control code and the received voice control instruction and the control code.
  • the voice control command may correspond to only one control code, or may be an operation mode, and multiple control codes are combined into their corresponding control codes.
  • the controlled terminal acquires a control code corresponding to the received voice control instruction according to the mapping relationship between the determined voice control instruction and the control code, and responds to the control. After the steps of the code, it also includes:
  • the controlled terminal performs error correction on the voice control instruction in a human-computer interaction manner based on the activated voice control instruction error correction mode.
  • the controlled terminal obtains the control code corresponding to the received voice control command according to the mapping relationship between the determined voice control command and the control code, and after responding to the control code, the controlled terminal may The error correction instruction for transmitting is detected, and when the error correction instruction sent by the user is received at a preset time interval, the controlled terminal starts the voice control instruction error correction mode to prevent the user's accent from mismatching with the location where the user is located.
  • the error correction of the voice control instruction by the error correction module includes the following embodiments:
  • the first embodiment is: when the voice control instruction error mode initiated by the controlled terminal is the voice error correction mode, determining the control code corresponding to the received voice control command, and playing the received voice control command and prompting the user to follow up, Upon receiving the voice control command input by the user, the received voice control command is saved in association with the determined control code.
  • the second embodiment is: when the error correction mode of the voice control instruction initiated by the controlled terminal is the voice error correction mode, the error correction module includes sequentially playing the pre-stored voice control instruction, and after each time the voice control instruction is played, determining that the playback is finished.
  • the control code corresponding to the voice control instruction when receiving the voice control command within the preset time interval, saves the received voice control command and the determined control code until all the pre-stored control commands are played.
  • the playback unit may send a prompt message to the user to prompt the user to follow the played voice control instruction each time the pre-stored voice control command is played.
  • the third embodiment is: when the error control mode of the voice control command initiated by the controlled terminal is the control terminal error correction mode, the error correction module generates prompt information to prompt the user to enter the control terminal training mode, and the acquiring module is configured to receive the user input.
  • the voice information is obtained, the user obtains the key value information sent by the user based on the control terminal, determines the control code corresponding to the obtained key value information according to the mapping relationship between the pre-stored key value information and the control code, and obtains the received voice. The information is saved in association with the determined control code.
  • the controlled terminal acquires a control code corresponding to the received voice control instruction according to the mapping relationship between the determined voice control instruction and the control code, and responds to the control. After the steps of the code, it also includes:
  • the controlled terminal Receiving, by the user, an error correction instruction based on the transmission of the voice control instruction of the current response, the controlled terminal prompting the user to input the language category information thereof;
  • the controlled terminal determines a mapping relationship between the voice control instruction corresponding to the received language category information and the control code according to the correspondence between the preset language category information and the mapping relationship between the voice control instruction and the control code.
  • the controlled terminal acquires a control code corresponding to the received voice control instruction according to the mapping relationship between the obtained voice control instruction and the control code, and responds to the control code.
  • the accent of the user may be a Hunan accent, and the mapping relationship between the voice control instruction and the control code corresponding to Guangdong may be wrong.
  • the user finds that the controlled terminal responds with an error in the voice control command issued by the controlled terminal, the user may send an error correction command to the controlled terminal.
  • the voice control command issued by the user is “air conditioning, automatic”, and the air conditioner recognizes that “air conditioning, cooling” is switched to the cooling mode, and the user thinks that the air conditioner recognizes the error and can send “identification error” to the controlled terminal.
  • the voice control command can also send an error correction command to the controlled terminal by other means such as a button.
  • the language category information may be the user's accent information. For example, the user said that Hunan dialect can directly input “Hunan”, and the language category information can be directly input through voice, or can be input through a display screen or a control terminal.
  • the correspondence between the preset language category information and the mapping relationship between the voice control instruction and the control code may be stored in the storage unit of the controlled terminal, or may be stored in a preset server.
  • the controlled terminal invokes a mapping relationship between the corresponding voice control instruction and the control code by the server.
  • the controlled terminal acquires a control code corresponding to the received voice control instruction according to the mapping relationship between the determined voice control instruction and the control code, and responds to the control.
  • the steps of the code include:
  • the controlled terminal sequentially compares the received voice control command with the voice control command in the mapping relationship between the obtained voice control command and the control code;
  • the controlled terminal when the voice control command matches the received voice control command, the controlled terminal obtains the control code corresponding to the matched voice control command, And responding to the control code.
  • the controlled voice control command may be in a mapping relationship between the received voice control command and the received voice control command and the control code.
  • Each of the voice control commands is sequentially compared to confirm whether the user's accent matches the location where it is located, that is, whether the controlled terminal can accurately respond to the received voice control command.
  • the controlled terminal responds to the control code according to the control code corresponding to the obtained voice control instruction.
  • the controlled terminal sequentially compares the received voice control command with the voice control command in the mapping relationship between the acquired voice control command and the control code.
  • the method further includes:
  • the controlled terminal when no voice control instruction matches the received voice control instruction, the controlled terminal prompts the user to input the language feature information;
  • the controlled terminal determines a mapping relationship between the voice control instruction corresponding to the received language feature information and the control code according to the preset relationship between the language feature information and the mapping relationship between the voice control command and the control code;
  • the controlled terminal acquires a control code corresponding to the received voice control instruction according to the mapping relationship between the obtained voice control instruction and the control code, and responds to the control code.
  • the user's language feature information ie, accent
  • the location information obtained by the module does not match.
  • the user may be prompted to input the language feature information, and according to the preset location information, the correspondence relationship between the voice control command and the control code is determined, and the received language feature information is determined.
  • Corresponding voice control instruction and control code mapping relationship to ensure the accuracy of the voice control of the controlled terminal according to the voice control command sent by the user.
  • the error correction mode can also be started.
  • the controlled terminal sequentially compares the received voice control command with the voice control command in the mapping relationship between the acquired voice control command and the control code.
  • the method further includes:
  • the controlled terminal when the voice control command is not matched with the received voice control command, the controlled terminal receives the received voice control command and each of the pre-stored key sounds Make comparisons;
  • the controlled terminal determines the location corresponding to the key tone that matches the received voice control command according to the mapping relationship between the pre-stored key tone and the location information. information;
  • the controlled terminal acquires a mapping relationship between the voice control instruction and the control code according to the obtained location information
  • the controlled terminal determines a control code corresponding to the received voice control instruction according to the mapping relationship between the obtained voice control instruction and the control code, and responds to the control code.
  • the key sound can be a common word for controlling the controlled terminal, such as "on”, “off”, “cold” "degree”, and “wind” in the air conditioner, and the key sound can be pre-stored in the In the control terminal or the preset air conditioner, the mapping relationship between the key tone and the position information may be preset in the controlled terminal or the preset air conditioner, and when the key tone matches the received voice control command, Determining position information corresponding to the matched key sound, and acquiring a mapping relationship between the voice control instruction and the control code corresponding to the determined position information according to the mapping relationship between the position control information and the control code .
  • FIG. 4 is a schematic flowchart diagram of a second embodiment of a voice control instruction error correction method according to the present invention.
  • This embodiment provides a voice control instruction error correction method, including:
  • Step S50 after responding to the received voice control command, the controlled terminal detects and receives an error correction command sent by the user based on the current response voice control instruction;
  • Step S60 when receiving an error correction command sent by the user, the controlled terminal determines the received voice control instruction and its corresponding control code;
  • the control terminal when the control terminal receives the voice control instruction, determines a control code corresponding to the voice control instruction, and runs based on the determined control code, and if the user finds the controlled terminal after inputting the voice control instruction
  • the current operation mode which does not match the voice control command sent by the current operation mode, sends an error correction command to the controlled terminal.
  • the error correctable instruction may be a voice control instruction directly sent by the user, for example, the user sends a voice control instruction “identification error”, and the error is continuously recognized by the controlled terminal for the error correction command sent by the user through the voice, and may be passed through the controlled terminal.
  • the button or the control terminal sends an error correction command, and when receiving the error correction command sent by the user, the startup module 242 starts the voice control instruction error correction mode.
  • the controlled terminal after responding to the received voice control command, the controlled terminal may directly obtain the current response control code and the received voice control command.
  • the voice control command input by the user may be relatively simple, and may not be completely matched with the pre-stored voice control command, for example, the voice control command pre-stored by the air conditioner is “air conditioner, power on”, and the voice control input by the user.
  • the command may be “air conditioner, on”.
  • only the received voice control command needs to match the key tone of the pre-stored voice control command, and the received voice control command may be considered to correspond to the pre-stored voice control command, for example “ The key sound of air conditioning and power on is “air conditioning, on”.
  • the received voice control command is “air conditioner, on” or “air conditioner, on”
  • the received voice control command is considered to be “air conditioner, power on”.
  • the control code corresponding to “air conditioner, power on” is determined, and the determined control code is responded to.
  • Step S70 the controlled terminal sends the received voice control instruction and its corresponding control code to a preset server, so that the server returns to the controlled terminal based on the received voice control instruction and the control code. Passing the mapping relationship between the correct voice control command and the control code, the voice control command or the control code;
  • the server may manually determine the received voice control command, or may return a correct voice to the controlled terminal based on the received voice control command and the control code by using a preset control system.
  • the voice control instruction corresponding to the received control code is determined according to a mapping relationship between the pre-stored voice control command and the control code.
  • Step S80 the controlled terminal updates the mapping relationship between the pre-stored voice control instruction and the control code according to the mapping relationship between the received voice control instruction and the control code, the voice control instruction or the control code.
  • the server may only return the correct voice control command to the controlled terminal, or may only return the correct control code to the controlled terminal, or return the mapping relationship between the voice control command and the control code to the controlled terminal;
  • the preferred solution is to return the correct voice control code to the controlled terminal, or return the mapping relationship between the correct voice control command and the control code to ensure that the controlled terminal can correctly recognize the received voice control during the next run. instruction.
  • the update module determines the voice control instruction corresponding to the received control code according to the mapping relationship between the pre-stored voice control instruction and the control code, and pre-stores the voice control instruction and control.
  • the determined voice control instruction is replaced by the received voice control instruction;
  • the receiving module adopts receiving
  • the steps of the voice control command, or the mapping between the voice control command and the control code, and the step of updating the mapping relationship between the pre-stored voice control command and the control code are similar to the above steps, and are not described herein again.
  • the voice control instruction error correction method provided in this embodiment, after the method responds to the received voice control instruction, the controlled terminal detects and receives an error correction command sent by the user based on the current response voice control instruction, and receives the error correction command
  • the error correction command is sent by the user
  • the received voice control command and its corresponding control code are determined
  • the controlled terminal sends the received voice control command and its corresponding control code to a preset server for the
  • the server returns a mapping relationship, a voice control instruction or a control code of the correct voice control instruction and the control code to the controlled terminal based on the received voice control instruction and the control code
  • the controlled terminal controls according to the received voice
  • the mapping relationship between the instruction and the control code, the voice control instruction or the control code, and the mapping relationship between the pre-stored voice control instruction and the control code is updated.
  • the error correction of the voice control instruction for identifying the error is realized, and the accuracy of the voice control is improved.
  • the server returns a mapping relationship between the correct voice control instruction and the control code, a voice control instruction or a control code to the controlled terminal based on the received voice control instruction and the control code.
  • the steps include:
  • the server collects sound feature parameters of the received voice control instruction
  • the server performs sound parameter adjustment on the pre-stored voice control command according to the collected sound feature parameters.
  • the sound feature parameter may include audio, timbre, and sound intensity, etc.
  • the sound parameter adjustment is performed on the pre-stored voice control instruction to ensure the pre-stored voice control instruction and the control code.
  • the mapping relationship is updated in real time to make the recognition of voice control instructions more accurate.
  • the server may deliver the updated mapping relationship between the voice control command and the control code to the controlled terminal at a preset time interval, and the controlled terminal is configured according to the received voice control command and the control code.
  • the mapping relationship updates the mapping relationship between the pre-stored voice control instructions and the control code to ensure that the voice control of the controlled terminal is more accurate.
  • the technical solution of the present invention which is essential or contributes to the prior art, may be embodied in the form of a software product stored in a storage medium (such as ROM/RAM, disk,
  • a storage medium such as ROM/RAM, disk,
  • the optical disc includes a number of instructions for causing a terminal device (which may be a cell phone, a computer, a server, or a network device, etc.) to perform the methods described in various embodiments of the present invention.

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Abstract

L'invention concerne un procédé de correction d'erreurs et un système d'instruction de commande vocale Le procédé comprend les étapes suivantes : lorsqu'une instruction de commande vocale reçue satisfait une condition d'identification erronée, un terminal commandé détermine un code de commande correspondant à l'instruction de commande vocale reçue en fonction d'une relation de mappage pré-mémorisée entre des instructions de commande vocale et des codes de commande, et envoie l'instruction de commande vocale reçue et le code de commande déterminé à un serveur prédéfini, de telle sorte que ce denier renvoie une relation de mappage correcte entre des instructions de commande vocale et des codes de commande, une instruction de commande vocale correcte ou un code de commande correct au terminal commandé en fonction de l'instruction de commande vocale reçue et du code de commande ; et le terminal commandé met à jour la relation de mappage pré-mémorisée entre des instructions de commande vocale et des codes de commande en fonction de la relation de mappage reçue entre des instructions de commande vocale et des codes de commande, l'instruction de commande vocale reçue ou le code de commande reçu. Il est ainsi possible de corriger une instruction de commande vocale identifiée de façon erronée, et d'améliorer sa précision.
PCT/CN2014/091946 2014-04-14 2014-11-21 Procédé de correction d'erreurs et système d'instruction de commande vocale WO2015158133A1 (fr)

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