CN113920994A - Voice-controllable cooking appliance and voice control method thereof - Google Patents
Voice-controllable cooking appliance and voice control method thereof Download PDFInfo
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- CN113920994A CN113920994A CN202010652058.XA CN202010652058A CN113920994A CN 113920994 A CN113920994 A CN 113920994A CN 202010652058 A CN202010652058 A CN 202010652058A CN 113920994 A CN113920994 A CN 113920994A
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- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
- G10L15/00—Speech recognition
- G10L15/08—Speech classification or search
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- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
- G10L15/00—Speech recognition
- G10L15/22—Procedures used during a speech recognition process, e.g. man-machine dialogue
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- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
- G10L15/00—Speech recognition
- G10L15/26—Speech to text systems
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- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
- G10L15/00—Speech recognition
- G10L15/22—Procedures used during a speech recognition process, e.g. man-machine dialogue
- G10L2015/223—Execution procedure of a spoken command
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- Audiology, Speech & Language Pathology (AREA)
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Abstract
The invention relates to a voice-controllable cooking appliance, comprising: a cooking execution unit; a voice information acquisition unit; a processing control unit which is communicated with the voice information acquisition unit; the storage unit stores operation instruction data, and the cooking execution unit can be controlled to perform cooking operation by processing the operation instruction data executed by the control unit; the storage unit also stores preset voice data, and the processing control unit matches corresponding preset voice data in the storage unit based on the received voice instruction information so as to match corresponding operation instruction data to control the cooking execution unit to perform corresponding cooking operation; the preset voice data comprises system preset voice data and user preset voice data, the operation instruction data comprises system operation instruction data and user operation instruction data, each system preset voice data corresponds to one system operation instruction data, and each user preset voice data corresponds to one user operation instruction data.
Description
Technical Field
The invention relates to a cooking appliance and a control method thereof, in particular to a cooking appliance capable of being controlled by voice and a voice control method thereof.
Background
With the progress of technology, various cooking appliances such as electric cookers, ovens, air fryers, etc. have been developed. Moreover, consumers increasingly demand simpler and more convenient functional operations for these cooking appliances.
The function control method of the conventional cooking appliance generally adopts a form of a key, that is, a consumer uses a physical key (such as a physical mechanical key) or a touch-sensitive key to perform control and function selection according to a flow. In the process of selecting the key, a certain trouble is brought to the consumer, and especially in the case that some consumers need to turn pages to search corresponding keys or a multi-level directory exists, it is very troublesome for the consumer to find corresponding key contents, and the situation that some mistaken pressing occurs to cause misoperation can also occur.
Meanwhile, since cooking appliances such as air fryer are generally small electric appliances, providing mechanical keys or touch keys on, for example, the air fryer increases the cost of the product and the difficulty of production.
For this reason, cooking apparatuses capable of performing various cooking operations by voice input control have been developed. The cooking equipment capable of being controlled by voice is preset with a fixed voice instruction by a manufacturer, and a user can control the cooking equipment to perform corresponding operation by sending corresponding voice when using the cooking equipment, so that key operation is omitted to a certain extent, and certain convenience is brought.
However, the voice command preset by the manufacturer in the above cooking apparatus is relatively fixed and single, and cannot well meet the user's requirements for some relatively complicated and delicate cooking operations, especially some personalized cooking requirements. That is, it is not possible to provide various and convenient operation controls adaptively according to taste demands of different users.
For example, people in different countries have different requirements on their taste. Different cooking habits are brought about by differences in eating habits of people, for example, roast beefsteaks have a variety of different tastes: french beefsteak, American beefsteak, Japanese beefsteak, etc., have certain differences in baking temperature and baking time except for slight differences in raw material ingredients. When steak with different tastes needs to be cooked, specific cooking operation settings such as baking temperature, baking time and the like need to be specially confirmed, which is difficult for a user to remember, and even the user needs to refer to a cooking book for setting operation many times.
Therefore, there is a demand for a conventional cooking appliance to further improve the convenience of operation for consumers and users and to improve the user experience.
Disclosure of Invention
In view of the above problems of the prior art, the present invention proposes a voice-controllable cooking appliance, which includes:
a cooking performing unit for performing a cooking operation;
the voice information acquisition unit is used for receiving voice instruction information sent by a user;
the processing control unit is communicated with the voice information acquisition unit and is used for analyzing and processing the voice instruction information received by the voice information acquisition unit;
the storage unit is communicated with the processing control unit, stores operation instruction data and can control the cooking execution unit to perform cooking operation by operating the operation instruction data through the processing control unit;
the processing control unit matches corresponding preset voice data in the storage unit based on the received voice instruction information so as to match corresponding operation instruction data, so as to control the cooking execution unit to perform corresponding cooking operation;
the preset voice data comprises system preset voice data which is initially set by default and user preset voice data which is set by a user, and the operation instruction data comprises system operation instruction data and user operation instruction data, wherein each system preset voice data corresponds to one system operation instruction data, and each user preset voice data corresponds to one user operation instruction data.
Preferably, the preset voice data is audio data, and/or text data converted from the audio data according to a uniform coding rule.
Preferably, the system operation instruction data and the user operation instruction data include numerical values of cooking time, cooking temperature, and cooking pressure.
Preferably, the user preset voice data and the user operation instruction data corresponding to the user preset voice data can be modified according to a user instruction.
Preferably, the cooking appliance has an operation key, and the user preset voice data stored in the storage unit can be set or modified by operating the operation key.
The invention also provides a voice control method of a cooking appliance, wherein the cooking appliance is the voice-controllable cooking appliance, and the voice control method of the cooking appliance comprises the following steps:
-the voice information obtaining unit receives voice instruction information sent by a user;
-the processing control unit retrieves in the storage unit based on the received voice instruction information, determining whether matching user preset voice data is retrieved;
if the matched user preset voice data is searched, determining corresponding user operation instruction data according to the searched and matched user preset voice data, and controlling a cooking execution unit to perform corresponding cooking operation;
and if the matched user preset voice data is not retrieved, judging whether the matched system preset voice data is retrieved or not.
Preferably, the step of determining whether the matched system preset voice data is retrieved comprises:
if the matched system preset voice data is searched, determining corresponding user operation instruction data according to the searched and matched system preset voice data, and controlling a cooking execution unit to perform corresponding cooking operation;
if the matched user preset voice data is not retrieved, the control is ended.
Preferably, the voice control method of the cooking appliance of the present invention further comprises: before receiving voice instruction information sent by a user, presetting or modifying user preset voice data and the user operation instruction data corresponding to the user preset voice data in a storage unit in advance.
Preferably, the user operation instruction data includes numerical values of cooking time, cooking temperature and cooking pressure.
Preferably, the cooking appliance has operation keys, and the step of setting or modifying the user operation instruction data corresponding to the user preset voice data in the storage unit can be performed by operating the corresponding operation keys.
According to the cooking utensil capable of being controlled by voice and the voice control method thereof, the operation convenience of consumers or users is further improved, the requirements of personalized operation of the users are enriched, the accuracy of operation control is improved, and the use experience of the users is greatly improved.
Drawings
The accompanying drawings are included to provide a further understanding of the claimed subject matter and are incorporated in and constitute a part of this specification, illustrate embodiments of the subject matter and together with the description serve to explain the principles of the subject matter and not to limit the subject matter.
FIG. 1 is a schematic block diagram of the construction of a voice controllable cooking apparatus of the present application;
FIG. 2 is a flow chart of the operation of the voice control of the voice controllable cooking appliance of the present application;
fig. 3 is an operation flowchart of setting/modifying user preset voice data and corresponding user operation instruction data of the voice-controllable cooking apparatus according to the present application.
Description of reference numerals:
1-a voice information acquisition unit;
2-a process control unit;
3-a storage unit;
4-a cooking execution unit;
Detailed Description
Referring to fig. 1, a schematic block diagram of a voice-controllable cooking apparatus according to the present application is shown. The voice-controllable cooking apparatus described in the present application refers to a general cooking appliance, and includes, for example: electric rice cooker, oven, air fryer, etc.
As shown in fig. 1, the voice-controllable cooking appliance of the present invention includes: voice information acquisition unit 1, storage unit 2, processing control unit 3, cooking execution unit 4.
The voice information acquisition unit 1 has an audio input means, which may be, for example, any suitable microphone, capable of receiving input of voice instruction information uttered by a user. Also, the voice information acquiring unit 1 can also transmit the received voice instruction information to the processing control unit 3 to perform analysis processing. The voice information acquisition unit 1 may be typically embedded in a control main board of a cooking appliance.
The storage unit 2 stores a plurality of basic control instructions for controlling the cooking performing unit 4 to perform cooking operations, such as on/off, time plus, time minus, temperature plus, temperature minus, time duration setting, temperature setting, pressure setting, networking, and the like.
Also, preset voice data is stored in the storage unit 2. The preset voice data includes system preset voice data initially set by default at the time of factory shipment from a manufacturer and user preset voice data that can be set by a user according to needs or personal preferences.
The preset voice data (system preset voice data and user preset voice data) can be directly stored in the form of audio data for matching and comparing with the voice instruction information sent by the user. However, in order to save storage resources and improve the convenience of comparison matching, the audio data of the preset voice data may be converted into text data according to the uniform coding rule for storage, so as to match and compare with the voice instruction information sent by the user.
Moreover, the storage unit 2 also stores therein system operation instruction data and user operation instruction data for execution by the processing control unit 3, thereby controlling the cooking execution unit 4 to perform a corresponding cooking operation. Each system preset voice data corresponds to a system operation instruction data, and each user preset voice data corresponds to a user operation instruction data.
Moreover, the system operation instruction data and the user operation instruction data may be at least one of the basic control instructions, or may be a combination of a plurality of the basic control instructions. For example, the system operation instruction data and the user operation instruction data include numerical values of cooking time, cooking temperature, and cooking pressure.
The cooking performing unit 4 may be a lighting assembly, a fan control assembly, a heating assembly, a pressure control assembly, a temperature monitoring assembly, etc., and is not described in detail herein.
In summary, the processing control unit 3 can match corresponding preset voice data (system preset voice data and user preset voice data) in the storage unit 2 based on the voice instruction information received from the voice information obtaining unit 1, and further match corresponding operation instruction data, so as to control the cooking execution unit 4 to perform corresponding cooking operation.
According to one embodiment of the present application, in a case where system preset voice data such as "french fries mode", "stew rib mode", "heat preservation mode", "cake mode", "roast chicken leg mode", "roast fish mode", "roast beef steak mode", "roast mutton mode" and the like and respective corresponding system operation instruction data thereof are stored in the storage unit 2 of the cooking appliance, when a user speaks "french fries mode" or related voice instruction information, the voice information acquiring unit 1 receives the related voice instruction and sends it to the processing control unit 3. The processing control unit 3 will match the corresponding system preset voice data in the storage unit 2 according to the 'french fries mode' or the related voice instruction information, and further match the system operation instruction data about the 'french fries mode' (for example, the system operation instruction data comprises a temperature set value of 160 ℃ and a duration set value of 15 minutes), so that the corresponding system operation instruction data can be executed to control the cooking execution unit 4 to perform the cooking operation of the system in the french fries mode.
The cooking appliance may have an operation key, and the system operation instruction data stored in the storage unit 2 may be triggered to be executed by operating the corresponding operation key. That is, the cooking operation triggered by the user speaking the voice command information of the "french fries mode" may be triggered by pressing a key.
In addition, according to another embodiment of the present application, the user can also set and store user preset voice data such as "wide-fried chicken", "american-fried chicken", "korean-fried chicken", "tai-fried chicken", and "japanese-fried chicken" and user operation instruction data corresponding to the user preset voice data in the storage unit 2 of the cooking appliance as needed or as a personal taste. In this case, when the user speaks the voice instruction information of "wide-fried chicken", the processing control unit 3 matches the corresponding user preset voice data in the storage unit 2 according to the voice instruction information of "wide-fried chicken", and thus further matches the user operation instruction data about "wide-fried chicken" (for example, the user operation instruction data includes a temperature set value of 180 ℃ and a duration set value of 20 minutes), so that the corresponding user operation instruction data can be executed, and the cooking execution unit is controlled to perform the cooking operation of the wide-fried chicken of the system.
Also, similar to the case of the above-described system operation instruction data, the user operation instruction data stored in the storage unit 2 can be triggered to be executed by operating the operation keys defined by the user accordingly. That is, the cooking operation triggered to be executed by the user speaking the voice command information of "wide fried chicken" may be triggered to be executed by a key.
Hereinafter, a voice control method of the voice-controllable cooking apparatus according to the present application will be described with reference to fig. 2.
As shown in fig. 2, the voice control method of the cooking apparatus of the present application includes the steps of:
in a first step S1, a voice command message from a user is received. In this step, when the user sends out the voice instruction information, the voice information acquiring unit 1 can receive the voice instruction information. The voice instruction information sent by the user can be disposable direct voice instruction information or voice instruction information determined after the user interacts with the cooking appliance. For example, the voice information acquisition unit 1 may have an audio input part and an audio output part, thereby enabling user interaction with the cooking appliance.
In a second step S2, when the voice instruction information is determined, the processing control unit 3 can determine whether the matching user preset voice data is retrieved in the storage unit 2 based on the received voice instruction information. If the user preset voice data stored in the storage unit 2 is in an audio form, the audio data of the received voice instruction information can be directly compared with the user preset voice data to retrieve the corresponding user preset voice data; if the user preset voice data stored in the storage unit 2 is text data, the audio data of the received voice instruction information can be converted into text data according to the uniform coding rule and then compared with the user preset voice data, so that the corresponding user preset voice data can be retrieved. In order to save storage space, it is preferable that the user presets the voice data as text form data.
In a third step S3, when the matched user preset voice data is retrieved, the corresponding user operation instruction data can be determined according to the retrieved user preset voice data, and then the user operation instruction data is executed, so that the cooking execution unit 4 performs a corresponding cooking operation to cook food desired by the user.
In the fourth step S4, if the matching user preset voice data is not retrieved in the second step S2, it is determined again that the matching system preset voice data can be retrieved according to the voice command information.
A fifth step S5, if the matching system preset voice number can be retrieved, the corresponding system operation instruction data can be determined according to the retrieved system preset voice data, and the system operation instruction data is executed, so that the cooking execution unit 4 performs the corresponding cooking operation to make the corresponding cooked food.
The voice control method of the cooking apparatus of the present application can be further explained by the following specific embodiments.
For example, the storage unit 2 of the cooking appliance is preset with system preset voice data such as "chicken leg roasting mode", "fish roasting mode", "steak roasting mode", "mutton roasting mode" and their respective corresponding system operation instruction data, and the user is preset with user preset voice data in which "meat roasting with high quality" is stored and its respective corresponding user operation instruction data in the storage unit 2 of the cooking appliance. For example, the user operation instruction data includes a temperature setting value of 180 ℃ and a time setting value of 20 minutes, which are specifically set by the user according to personal tastes.
In this case, when the user speaks the voice command information of "meat roasting with high quality product", the processing control unit 3 searches the voice command information of "meat roasting with high quality product" in the storage unit 2 for the user preset voice data first, and then searches the system preset voice data. As a result, the user preset voice data matching the voice instruction information of "meat roasting" is retrieved from the user preset voice data. That is, the third step S3 is executed as a result of the determination of the second step S2, and therefore the fourth step S4 will not be executed any more. Furthermore, the user operation instruction data about the 'meat roasting' can be further matched according to the user preset voice data of the 'meat roasting', so that the corresponding user operation instruction data can be executed, and the cooking execution unit 4 is controlled to perform the cooking operation of the 'meat roasting' personalized by the user.
On the other hand, when the user speaks the voice command information of the "fish roasting mode", the processing control unit 3 searches the preset voice data of the user in the storage unit 2 according to the voice command information of the "fish roasting mode", and then searches the preset voice data of the system. As a result, the user preset voice data matching the voice instruction information of the "grilled fish mode" is not retrieved among the user preset voice data. That is, the fourth step S4 is executed as a result of the determination of the second step S2. And finally, retrieving the system preset voice data matched with the voice instruction information of the 'fish roasting mode' from the system preset voice data. Therefore, the system operation instruction data related to the 'fish roasting mode' can be further matched according to the system preset voice data of the 'fish roasting mode', so that the corresponding system operation instruction data can be executed, and the cooking execution unit is controlled to perform cooking operation in the 'fish roasting mode'.
Hereinafter, a flow of setting/modifying user preset voice data and user operation instruction data corresponding thereto of the voice-controllable cooking apparatus of the present application will be described with reference to fig. 3. The specific procedure of this setting/modification is as follows.
First, a voice command setting/modification mode is entered (step R1). Specifically, the cooking appliance can enter a voice instruction setting/modifying mode through voice interaction with the cooking appliance or a key pressing mode.
Then, the user speaks a desired instruction voice (step R2). That is, the voice information acquiring unit 1 can receive the instruction voice spoken by the user.
Subsequently, the processing control unit 3 retrieves whether or not there is user preset voice data in the storage unit in conformity with the instruction voice.
If the matched user preset voice data is retrieved, prompting the user and updating the corresponding user operation instruction data according to the instruction of the user (step R5); if no matching user-preset voice data is retrieved, the user is prompted to speak a new instruction voice serving as the user-preset voice data and the user's instruction voice is stored as the user-preset voice data (step R4), and then the user is further prompted to speak a specific parameter in the user operation instruction data for the newly received instruction voice and save the specific parameter as the corresponding user operation instruction data (step R6).
The flow of setting/modifying the user preset voice data and the corresponding user operation instruction data in the present application can be further explained by the following specific embodiments.
For example, the voice command setting/modifying mode may be entered first by voice interaction or key pressing with the cooking appliance. Then, the user can say, for example, an instruction voice of "extremely savory pancake" according to his own preference. Thereafter, the processing control unit 3 will retrieve whether there is user preset voice data in the storage unit 2 which coincides with the "hot cookie" instruction voice. If the user preset voice data corresponding to the "hot cookie" instruction voice is not found, the "hot cookie" instruction voice is preferably stored or converted into text data to be stored in the storage unit 2 as new user preset voice data. Then, the user is prompted to speak specific parameters (for example, the temperature set value is 150 ℃ and the time length set value is 15 minutes) in the user operation instruction data aiming at the extremely fragrant pancake, and the specific parameters are stored as corresponding user operation instruction data for subsequent operation execution.
On the other hand, if the user needs to adjust the taste of the extremely fragrant pancake, the flow of modifying the preset voice data of the user and the corresponding user operation instruction data can be performed. For example, in the case where the user preset voice data of "extremely savory hot cake" and the corresponding user operation instruction data thereof have been stored in the storage unit 2, when the user considers that it is necessary to adjust the taste of "extremely savory hot cake" after several cooking operations, the following operations can be performed. First, the voice command setting/modifying mode is entered by voice interaction or key pressing with the cooking appliance as well. Then, the user utters the instruction voice of "extreme hot pancake", and the processing control unit 3 searches for the user preset voice data which is found to be in conformity with the instruction voice of "extreme hot pancake" in the storage unit 2. At this time, the user is prompted to speak specific parameters (for example, the updated temperature set value is 140 ℃ and the updated time length set value is 12 minutes) in the updated user operation instruction data for the 'extremely fragrant pancake', and therefore the new specific parameters are saved as the corresponding user operation instruction data for subsequent operation execution, and the pancake which is more consistent with the taste of the user can be cooked.
According to the cooking utensil capable of being controlled by voice and the voice control method thereof, the operation convenience of consumers or users is further improved, the requirements of personalized operation of the users are enriched, the accuracy of operation control is improved, and the use experience of the users is greatly improved.
Although the embodiments disclosed in the present application are described above, the descriptions are only for the convenience of understanding the present application, and are not intended to limit the present application. It will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the disclosure as defined by the appended claims.
Claims (10)
1. A voice-controllable cooking appliance comprising:
a cooking execution unit (4) for executing a cooking operation;
the voice information acquisition unit (1) is used for receiving voice instruction information sent by a user;
the processing control unit (3) is communicated with the voice information acquisition unit (1) and is used for analyzing and processing the voice instruction information received by the voice information acquisition unit (1);
a storage unit (2) which is communicated with the processing control unit (3) and stores operation instruction data, and the processing control unit (3) can operate the operation instruction data to control the cooking execution unit (4) to perform cooking operation;
the storage unit (2) is also used for storing preset voice data, and the processing control unit (3) matches corresponding operation instruction data in the storage unit (2) by matching corresponding preset voice data based on the received voice instruction information so as to control the cooking execution unit to perform corresponding cooking operation;
the preset voice data comprises system preset voice data which is initially set by default and user preset voice data which is set by a user, and the operation instruction data comprises system operation instruction data and user operation instruction data, wherein each system preset voice data corresponds to one system operation instruction data, and each user preset voice data corresponds to one user operation instruction data.
2. The voice-controllable cooking appliance according to claim 1, wherein the preset voice data is audio data and/or text data converted from the audio data according to a uniform coding rule.
3. The voice-controllable cooking appliance according to claim 2, wherein the system operation instruction data and the user operation instruction data include numerical values of cooking time, cooking temperature, cooking pressure.
4. The voice-controllable cooking appliance according to claim 3, wherein the user preset voice data and the user operation instruction data corresponding to the user preset voice data are modifiable according to a user instruction.
5. The voice-controllable cooking appliance according to claim 4, wherein the cooking appliance has an operation key, and the user preset voice data stored in the storage unit can be set or modified by operating the operation key.
6. A voice control method of a cooking appliance, characterized in that the cooking appliance is the voice-controllable cooking appliance according to claim 1, the voice control method of a cooking appliance comprising the steps of:
the voice information acquisition unit receives voice instruction information sent by a user;
-the processing control unit retrieves in the storage unit based on the received voice instruction information, judges whether matching user preset voice data is retrieved,
and if the matched user preset voice data is searched, determining the corresponding user operation instruction data according to the searched and matched user preset voice data, and controlling the cooking execution unit to perform corresponding cooking operation, and if the matched user preset voice data is not searched, judging whether the matched system preset voice data is searched.
7. The voice control method of a cooking appliance according to claim 6, wherein the step of determining whether the matched system preset voice data is retrieved comprises:
and if the matched system preset voice data is searched, determining system operation instruction data corresponding to the searched and matched system preset voice data according to the searched and matched system preset voice data, controlling a cooking execution unit to perform corresponding cooking operation, and if the matched user preset voice data is not searched, ending the control operation.
8. The voice control method of a cooking appliance according to claim 7, further comprising:
before receiving voice instruction information sent by a user, presetting or modifying user preset voice data and the user operation instruction data corresponding to the user preset voice data in a storage unit in advance.
9. The voice control method of a cooking appliance according to claim 8, wherein the user operation instruction data includes numerical values of cooking time, cooking temperature, and cooking pressure.
10. The voice control method of a cooking appliance according to claim 9, wherein the cooking appliance has operation keys, and the step of setting or modifying the user operation instruction data corresponding to the user preset voice data in the storage unit can be performed by operating the corresponding operation keys.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010652058.XA CN113920994A (en) | 2020-07-08 | 2020-07-08 | Voice-controllable cooking appliance and voice control method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010652058.XA CN113920994A (en) | 2020-07-08 | 2020-07-08 | Voice-controllable cooking appliance and voice control method thereof |
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| Publication Number | Publication Date |
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| CN113920994A true CN113920994A (en) | 2022-01-11 |
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| CN202010652058.XA Pending CN113920994A (en) | 2020-07-08 | 2020-07-08 | Voice-controllable cooking appliance and voice control method thereof |
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2020
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