CN110556107A - control method and system capable of automatically adjusting voice recognition sensitivity, air conditioner and readable storage medium - Google Patents
control method and system capable of automatically adjusting voice recognition sensitivity, air conditioner and readable storage medium Download PDFInfo
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- CN110556107A CN110556107A CN201910784754.3A CN201910784754A CN110556107A CN 110556107 A CN110556107 A CN 110556107A CN 201910784754 A CN201910784754 A CN 201910784754A CN 110556107 A CN110556107 A CN 110556107A
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- 230000035945 sensitivity Effects 0.000 title claims abstract description 133
- 238000000034 method Methods 0.000 title claims abstract description 28
- 238000004590 computer program Methods 0.000 claims description 10
- 238000004364 calculation method Methods 0.000 claims description 4
- 238000012545 processing Methods 0.000 claims description 4
- 230000009467 reduction Effects 0.000 claims description 4
- 230000004044 response Effects 0.000 claims description 4
- 238000004422 calculation algorithm Methods 0.000 claims description 3
- 238000004891 communication Methods 0.000 description 3
- 230000005236 sound signal Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000004622 sleep time Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/50—Control or safety arrangements characterised by user interfaces or communication
- F24F11/56—Remote control
- F24F11/58—Remote control using Internet communication
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
- F24F11/63—Electronic processing
- F24F11/64—Electronic processing using pre-stored data
-
- 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
-
- 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
- G10L25/00—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
- G10L25/78—Detection of presence or absence of voice signals
-
- 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
-
- 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
- G10L25/00—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
- G10L25/78—Detection of presence or absence of voice signals
- G10L2025/783—Detection of presence or absence of voice signals based on threshold decision
- G10L2025/786—Adaptive threshold
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- Engineering & Computer Science (AREA)
- Human Computer Interaction (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Computational Linguistics (AREA)
- Health & Medical Sciences (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Combustion & Propulsion (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Chemical & Material Sciences (AREA)
- Fuzzy Systems (AREA)
- Mathematical Physics (AREA)
- Air Conditioning Control Device (AREA)
Abstract
the invention provides a control method and a control system capable of automatically adjusting voice recognition sensitivity, an air conditioner and a readable storage medium, wherein the control method comprises the following steps: receiving a user voice command; acquiring the current time for receiving the voice command, and acquiring a corresponding preset time period; acquiring a corresponding preset voice recognition sensitivity threshold according to a preset time period; and detecting the voice recognition sensitivity value of the user voice command, judging whether the voice recognition sensitivity value falls into the preset voice recognition sensitivity threshold value, and if so, controlling the air conditioner to execute the voice command. According to the invention, the voice recognition sensitivity threshold is automatically adjusted in real time, so that the voice recognition sensitivity is improved or reduced according to the requirement, the error recognition rate of the voice recognition is improved or reduced according to the requirement, and the use experience of a user is improved.
Description
Technical Field
The invention relates to the technical field of air conditioners, in particular to a control method and a control system capable of automatically adjusting voice recognition sensitivity, an air conditioner and a readable storage medium.
Background
With the rapid development of the voice recognition technology, more and more intelligent air conditioners are loaded with voice recognition systems at present, and users can operate the air conditioners through voice commands.
in practical applications, in order to improve the speech recognition effect, higher speech recognition sensitivity is often required, and the high speech recognition sensitivity leads to an increase in the false recognition rate. Therefore, how to adjust the voice recognition rate according to the requirement becomes a key technology, for example, how to reduce the voice recognition sensitivity at night or in other situations where there is a need, so as to reduce the false recognition rate and prevent the phenomenon that the air conditioner is awoken and reported by mistake and disturbs the sleep of the user.
Disclosure of Invention
the invention solves the problem that the sensitivity of voice recognition can not be adjusted according to requirements in the prior art.
in order to solve the above problem, a first aspect of the present invention provides a control method capable of automatically adjusting a sensitivity of speech recognition, including:
Receiving a user voice command;
Acquiring the current time for receiving the voice command, and acquiring a corresponding preset time period;
Acquiring a corresponding preset voice recognition sensitivity threshold according to the preset time period;
and detecting the voice recognition sensitivity value of the user voice command, judging whether the voice recognition sensitivity value falls into the preset voice recognition sensitivity threshold value, and if so, controlling the air conditioner to execute the voice command.
According to the invention, the voice recognition sensitivity threshold is automatically adjusted by setting the preset time period, so that the voice recognition sensitivity is improved or reduced according to the requirements (different time or different user conditions), and the error recognition rate of the voice recognition is improved or reduced according to the requirements.
Further, the preset time period at least includes two time periods: a first time period and a second time period; the preset time periods are divided according to geographical time or user habits; the method is used for automatically adjusting the preset voice recognition sensitivity threshold according to the geographic time or the user habit.
Further, the preset speech recognition sensitivity threshold at least includes two values: a first preset sensitivity threshold and a second preset sensitivity threshold; the first preset sensitivity threshold corresponds to the first time period, the second preset sensitivity threshold corresponds to the second time period, and the first preset sensitivity threshold is smaller than the second preset sensitivity threshold; the voice recognition system is used for realizing the one-to-one correspondence between the preset time sensitivity threshold and the preset time period, and at least has two different preset voice recognition sensitivity thresholds.
Further, after acquiring a corresponding preset voice recognition sensitivity threshold according to the preset time period, detecting the number of the users, and if the number of the users is greater than a, changing the preset voice recognition sensitivity threshold to a third preset sensitivity threshold, wherein the third preset sensitivity threshold is greater than the second preset sensitivity threshold; the method is used for further adjusting the preset voice sensitivity threshold according to the number of users.
Further, after a corresponding preset identification sensitivity threshold is obtained according to the preset time period, whether the user is a known user is judged, and if yes, the preset identification sensitivity threshold is reduced by 5% -10% on the basis of the first preset sensitivity threshold or the second preset sensitivity threshold; the method is used for further adjusting the preset voice recognition sensitivity threshold value according to whether the user is a known user or not.
Further, detecting the voice recognition sensitivity value of the user voice command comprises performing noise reduction processing on the user voice command and performing similarity calculation with a stored command word by using a voice recognition algorithm; and the voice recognition sensitivity value is used as a technical basis for judging whether the voice recognition sensitivity value falls into the preset voice recognition sensitivity threshold value.
The second aspect of the present invention provides a control system, which adopts the above control method, including:
The voice receiving module is used for receiving a user voice command;
The voice recognition module is used for acquiring the current time for receiving the voice command and acquiring a corresponding preset time period, acquiring a preset voice recognition sensitivity threshold according to the preset time period, detecting the voice recognition sensitivity value of the user voice command, judging whether the voice recognition sensitivity value falls into the preset voice recognition sensitivity threshold or not, and if so, outputting a corresponding command word to the internal machine control module;
The internal control module is used for executing corresponding operation according to the user voice command;
and the prompt module is used for feeding back the response of the voice command of the user.
a third aspect of the present invention provides an air conditioner comprising a computer readable storage medium storing a computer program and a processor, the computer program being read and executed by the processor to implement the above method.
A fourth aspect of the invention provides a computer-readable storage medium, in which a computer program is stored, which, when read and executed by a processor, implements the method described above.
The invention has the beneficial effects that: according to the method, the threshold of the recognition sensitivity of the voice recognition is automatically adjusted in real time, so that the voice recognition sensitivity is improved or reduced according to requirements (different time or different user conditions), and further the error recognition rate of the voice recognition is improved or reduced according to the requirements, for example, the voice recognition sensitivity is low at night, the voice error recognition rate is low, the probability of mistaken awakening of an air conditioner is reduced, and the use experience of a user is improved; the voice recognition sensitivity is set to be low when people are many and the environment is noisy, so that the probability of false recognition is reduced; the influence of the night voice control system on the user is further reduced by setting the day mode and the night mode of the prompt module.
Drawings
FIG. 1 is a flow chart of a control method in an embodiment of the present invention;
FIG. 2 is a system architecture diagram of a control system according to an embodiment of the present invention;
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below.
Fig. 2 is a schematic diagram of a system architecture of a control system capable of automatically adjusting the sensitivity of voice recognition, the control system being used for an air conditioner, the control system comprising:
The voice receiving module is used for receiving a user voice command and sending the user voice command to the voice recognition module;
The voice recognition module is used for acquiring the current time for receiving the voice command and acquiring a corresponding preset time period, acquiring a preset voice recognition sensitivity threshold according to the preset time period, detecting the voice recognition sensitivity value of the user voice command, judging whether the voice recognition sensitivity value falls into the preset voice recognition sensitivity threshold or not, and if so, outputting a corresponding command word to the internal machine control module;
the method for detecting the voice recognition sensitivity value of the user voice command specifically comprises the following steps: carrying out noise reduction processing on the audio signal of the voice command, and carrying out similarity calculation on the audio signal subjected to noise reduction processing and a stored command word in a storage unit of a voice recognition module through a voice recognition algorithm to obtain a calculation result, namely a voice recognition sensitivity value of the user voice command; preferably, the storage command words include two types, one is a general standard command word, and the other is a user command word recorded and stored by the air conditioner, for example, a dialect-like command word that the user has used. And then comparing the voice recognition sensitivity value with a preset voice recognition sensitivity threshold, if the voice recognition sensitivity value is higher than the preset voice recognition sensitivity threshold, considering the audio signal as a corresponding command word, and further outputting the corresponding command word to an internal machine control module by the voice recognition module.
and the internal control module is used for controlling the air conditioner to execute corresponding operation according to the corresponding command words.
in addition, the control system also comprises a prompt module, wherein the prompt module is used for feeding back the response of the voice command of the user and mainly feeding back the response through sound and display.
Preferably, the prompt module includes day mode and night mode, in the day mode, prompt module's report sound is great and have light display, show for often bright or change the colour or glittering one or several kinds, and in the night mode, prompt module's report sound is less and do not have light display, consequently, has further reduced the influence of night time speech control system to the user.
Preferably, the internal machine control module is connected to a network server through wired communication or wireless communication and acquires the real-time and the geographical position information; or the voice recognition module is connected to a network server through a built-in communication unit by using a wireless connection router, acquires the real-time and the geographic position information from the network server, and directly acquires the information from the network server by using the voice recognition module, so that the acquisition efficiency is higher.
The embodiment of the invention provides a control method capable of automatically adjusting the sensitivity of voice recognition, which comprises the following specific steps:
s1: the voice receiving module receives a user voice command;
S2: the voice recognition module acquires the current time for receiving the voice command and acquires a corresponding preset time period;
s3: the voice recognition module acquires a preset voice recognition sensitivity threshold according to a preset time period;
S4: the voice recognition module detects a voice recognition sensitivity value of a user voice command and judges whether the voice recognition sensitivity value falls into the preset voice recognition sensitivity threshold value or not;
S5: if yes, outputting corresponding command words to the internal machine control module; and the internal machine control module executes the voice command.
the preset time period at least comprises two time periods, namely a first time period and a second time period. The preset voice recognition sensitivity threshold corresponds to the preset time period one by one and comprises a first preset sensitivity threshold and a second preset sensitivity threshold, the first preset sensitivity threshold corresponds to the first time period, the second preset sensitivity threshold corresponds to the second time period, and the first preset sensitivity threshold is smaller than the second preset sensitivity threshold; the preset time periods are divided according to geographical time or according to user habits, wherein the preset time periods are divided into three preset time periods and three corresponding preset sensitivity thresholds according to geographical time division, and specifically the preset time periods comprise:
The voice recognition module acquires the current time and geographical position information of the received voice command through the network server, sets a first time period of 6:00-19:00, a second time period of 19:00-21:00 and a third time period of 21: 00-6: 00 on the second day in preset time periods, and:
Within 6:00-19:00, the speech recognition sensitivity threshold is 6; the speech recognition sensitivity threshold is 7 for 19:00-21:00 and 8 for 21: 00-6: 00 next day.
the method mainly comprises two aspects of dividing the preset time period according to the user habits, wherein on one hand, the user self-defines and divides the preset time period according to the sleep habits of the user, and on the other hand, the air conditioner collects the user habits and divides the preset time period. For example, if the user is used to fall asleep later or is more active in the evening, the second or third time period may be set as a time when the user is more active and the first time period may be set as a time when the user is quieter.
Through the setting, the voice recognition sensitivity threshold is automatically adjusted according to the preset time period, and the voice recognition sensitivity threshold is higher than the voice recognition sensitivity threshold of the user in the more active time period in the more quiet time period of the user, so that the voice recognition sensitivity and the error recognition rate of the user in the more quiet time period are lower than those in the more active time period; in addition, the voice recognition sensitivity threshold in the deep sleep time period of the user is higher than the voice recognition sensitivity threshold in the quiet time period of the user, so that the probability of mistaken voice awakening of the air conditioner in the quiet time period of the user, particularly in the deep sleep time period of the user, is reduced, the user is prevented from being disturbed, and the use experience of the user is improved.
preferably, after acquiring a corresponding preset voice recognition sensitivity threshold according to the preset time period, detecting the number of users, and if the number of users is less than or equal to a, the preset sensitivity threshold is an originally acquired first preset sensitivity threshold or a second preset sensitivity threshold; and if the number of the users is more than a, directly changing the preset voice recognition sensitivity threshold value into a third preset sensitivity threshold value, wherein the third preset sensitivity threshold value is more than the second preset sensitivity threshold value. Preferably, a is set to 5.
The reason is that if the number of users is large, the environment is noisy, and the misjudgment condition of the voice recognition is increased, so that the preset voice recognition sensitivity threshold value is improved under the condition that the number of users is large, and the probability of the air conditioner being awoken by the voice in a wrong way under the condition that people are noisy can be reduced.
Preferably, after acquiring a corresponding preset recognition sensitivity threshold according to the preset time period, determining whether the user is a known user, and if not, the preset sensitivity threshold is an originally acquired first preset sensitivity threshold or a second preset sensitivity threshold; if the user is known, the preset identification sensitivity threshold is reduced by 5% -10% on the basis of the first preset sensitivity threshold or the second preset sensitivity threshold. The known user is the user who has previously sent a voice command to the air conditioner.
Through the setting, the preset voice recognition sensitivity threshold can be reduced when the user sending the voice command is the known user, so that the voice recognition sensitivity of the known user is improved, and the voice recognition sensitivity of other people is reduced.
The embodiment of the invention discloses an air conditioner, which comprises a computer readable storage medium and a processor, wherein a computer program is stored in the computer readable storage medium, and when the computer program is read and run by the processor, the method capable of automatically adjusting the voice recognition sensitivity is realized.
The embodiment of the invention also discloses a computer readable storage medium, wherein a computer program is stored in the computer readable storage medium, and when the computer program is read and operated by a processor, the method capable of automatically adjusting the voice recognition sensitivity is realized.
Although the present invention is disclosed above, the present invention is not limited thereto. Various changes and modifications may be effected therein by one skilled in the art without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (9)
1. a control method capable of automatically adjusting the sensitivity of voice recognition is characterized by comprising the following steps:
Receiving a user voice command;
Acquiring the current time for receiving the voice command, and acquiring a corresponding preset time period;
acquiring a corresponding preset voice recognition sensitivity threshold according to the preset time period;
And detecting the voice recognition sensitivity value of the user voice command, judging whether the voice recognition sensitivity value falls into the preset voice recognition sensitivity threshold value, and if so, controlling the air conditioner to execute the voice command.
2. The control method according to claim 1, wherein the preset time period includes at least two time periods: a first time period and a second time period; the preset time periods are divided according to geographical time or user habits.
3. the control method according to claim 2, wherein the preset speech recognition sensitivity threshold comprises at least two values: a first preset sensitivity threshold and a second preset sensitivity threshold; the first preset sensitivity threshold corresponds to the first time period, the second preset sensitivity threshold corresponds to the second time period, and the first preset sensitivity threshold is smaller than the second preset sensitivity threshold.
4. The control method according to claim 3, wherein the number of users is detected after a corresponding preset voice recognition sensitivity threshold is obtained according to the preset time period, and if the number of users is greater than a, the preset voice recognition sensitivity threshold is changed to a third preset sensitivity threshold, wherein the third preset sensitivity threshold is greater than the second preset sensitivity threshold.
5. The control method according to claim 3, wherein after a corresponding preset recognition sensitivity threshold is obtained according to the preset time period, whether the user is a known user is determined, and if yes, the preset recognition sensitivity threshold is reduced by 5% -10% on the basis of the first preset sensitivity threshold or the second preset sensitivity threshold.
6. The control method of claim 1, wherein detecting the speech recognition sensitivity value of the user speech command comprises performing noise reduction processing on the user speech command and performing similarity calculation with a stored command word using a speech recognition algorithm.
7. a control system characterized by employing the control method of any one of claims 1 to 6, comprising:
the voice receiving module is used for receiving a user voice command;
the voice recognition module is used for acquiring the current time for receiving the voice command and acquiring a corresponding preset time period, acquiring a preset voice recognition sensitivity threshold according to the preset time period, detecting the voice recognition sensitivity value of the user voice command, judging whether the voice recognition sensitivity value falls into the preset voice recognition sensitivity threshold or not, and if so, outputting a corresponding command word to the internal machine control module;
the internal control module is used for executing corresponding operation according to the user voice command;
And the prompt module is used for feeding back the response of the voice command of the user.
8. an air conditioner comprising a computer readable storage medium storing a computer program and a processor, the computer program being read and executed by the processor to implement the method of any one of claims 1-6.
9. a computer-readable storage medium, characterized in that it stores a computer program which, when read and executed by a processor, implements the method according to any one of claims 1-6.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910784754.3A CN110556107A (en) | 2019-08-23 | 2019-08-23 | control method and system capable of automatically adjusting voice recognition sensitivity, air conditioner and readable storage medium |
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| CN201910784754.3A CN110556107A (en) | 2019-08-23 | 2019-08-23 | control method and system capable of automatically adjusting voice recognition sensitivity, air conditioner and readable storage medium |
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| CN111076355A (en) * | 2019-12-17 | 2020-04-28 | 宁波奥克斯电气股份有限公司 | Voice wake-up instruction processing method, device, terminal and storage medium |
| CN112509574A (en) * | 2020-11-26 | 2021-03-16 | 上海济邦投资咨询有限公司 | Investment consultation service system based on big data |
| CN113330513A (en) * | 2021-04-20 | 2021-08-31 | 华为技术有限公司 | Voice information processing method and device |
| CN113834192A (en) * | 2021-09-18 | 2021-12-24 | 珠海格力电器股份有限公司 | State adjustment method for voice recognition device in air conditioner and air conditioner |
| CN114429766A (en) * | 2022-01-29 | 2022-05-03 | 北京百度网讯科技有限公司 | Method, device and equipment for adjusting playing volume and storage medium |
| US11948569B2 (en) | 2021-07-05 | 2024-04-02 | Samsung Electronics Co., Ltd. | Electronic apparatus and controlling method thereof |
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Application publication date: 20191210 |