CN111445907B - Method and device for reducing false wake-up rate - Google Patents
Method and device for reducing false wake-up rate Download PDFInfo
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- CN111445907B CN111445907B CN202010129838.6A CN202010129838A CN111445907B CN 111445907 B CN111445907 B CN 111445907B CN 202010129838 A CN202010129838 A CN 202010129838A CN 111445907 B CN111445907 B CN 111445907B
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- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
- G10L15/00—Speech recognition
- G10L15/22—Procedures used during a speech recognition process, e.g. man-machine dialogue
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- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
- G10L15/00—Speech recognition
- G10L15/22—Procedures used during a speech recognition process, e.g. man-machine dialogue
- G10L2015/223—Execution procedure of a spoken command
Abstract
The invention discloses a method and a device for reducing false wake-up rate, comprising the following steps: acquiring equipment data; calculating the current state of the equipment according to the data, wherein the current state comprises an idle state and a use state; when the equipment is in the idle state, the timer in the equipment resets an awakening threshold value, and the equipment enters a preset awakening state; when the equipment enters the preset awakening state, the equipment starts a multi-threshold mechanism, and when the awakening value is continuously available in unit time, the equipment exits the preset awakening state and enters the use state; and when the use state is finished, continuously acquiring the equipment data. The invention aims to provide a method and a device for reducing false wake-up rate, which can reduce the false wake-up rate of equipment in idle time without reducing equipment wake-up performance.
Description
Technical Field
The invention relates to the technical field of voice awakening, in particular to a method and a device for reducing false awakening rate.
Background
In order to enable a user to cut in voice more smoothly and simulate the behavior of calling the other side at the beginning of human-human interaction, a voice wake-up function appears, an intelligent voice device is woken up and interacts by voice wake-up words, the user speaks the wake-up words first to wake up the intelligent voice device and then starts voice interaction between the user and the device, a good intelligent product has a good wake-up rate, but the good wake-up rate can cause a high false wake-up rate, the user can wake up the intelligent voice device by mistake when the user does not have the requirement of voice interaction with the intelligent voice device, if the intelligent voice device incorrectly confirms voice of other purposes of the user as the wake-up words, frequent false wake-up of the intelligent voice device can cause poor use experience of the user, particularly in the field of intelligent household appliances, the device is started for 24 hours, the air conditioner is frequently woken up by mistake with a high wake-up rate, and electric energy loss is caused, and therefore, a method capable of ensuring the wake-up rate and reducing the device false wake-up rate is needed.
Disclosure of Invention
The invention provides a method and a device for reducing false wake-up rate, which solve the problem of higher false wake-up rate of equipment.
In order to achieve the above object, the present invention provides the following technical solution, a method for reducing a false wake-up rate, including:
acquiring the state of equipment, wherein the state comprises an idle state and a use state;
when the equipment is in the idle state, the timer in the equipment resets an awakening threshold value, and the equipment enters a preset awakening state;
when the equipment enters the preset awakening state, judging whether the equipment is used currently, and when the equipment is used, converting the equipment from the preset awakening state to the using state; and after the use state is judged to be finished, continuously acquiring the equipment state.
Preferably, when the device is in the idle state, the timer in the device resets the wakeup threshold, and the device enters a preset wakeup state, including:
starting the timer, and starting timing by the timer;
when the timer times to a set threshold value, the equipment is still in the idle state, and the equipment improves the awakening threshold value;
closing the timer, and enabling the equipment to enter the preset awakening state;
whether the timer resets the wake-up threshold is calculated using the following equation:
T＝T2-T1
when the T is greater than 0, the timer needs to reset the awakening threshold value, and the device enters the preset awakening state.
Preferably, when the device enters the preset wake-up state, determining whether the device is currently used, and when the device is used, converting the preset wake-up state of the device into a use state includes:
when the equipment enters the preset state, starting a multi-threshold mechanism;
acquiring a wake-up value according to the multi-threshold mechanism;
and performing preamble calculation according to the awakening numerical value to obtain a calculation result, and determining whether the equipment is used or not according to the calculation result.
Preferably, the performing preamble calculation according to the wake-up value to obtain a calculation result, and determining whether the device is used according to the calculation result includes:
performing preamble calculation on the awakening value by using the following formula to obtain a calculation result:
(N1+N2+..+Nn)/(Tn-T1)
wherein, N is the value of each voice wakeup, and T is the time of each voice wakeup;
determining a preset awakening threshold NUM;
when the (N1 + N2+. + Nn)/(Tn-T1) > NUM, it is determined that the device is used, the device exits the preset awake state, and the device enters the use state.
According to a second aspect of the embodiments of the present invention, there is provided an apparatus for reducing a false wake-up rate, including:
the device comprises a first acquisition module, a second acquisition module and a control module, wherein the first acquisition module is used for acquiring the state of the device, and the state comprises an idle state and a use state;
the reset module is used for resetting a timer awakening threshold value in the equipment when the equipment is in the idle state, so that the equipment enters a preset awakening state;
the first judging module is used for judging whether the equipment is used currently or not when the equipment enters the preset awakening state, and when the equipment is used, the equipment is converted into the using state from the preset awakening state;
and the second judging module is used for continuously acquiring the equipment state after judging that the use state is finished.
Preferably, the reset module includes:
the first starting module is used for starting the timer, and the timer starts timing;
the reset submodule is used for enabling the equipment to be in the idle state when the timer times out to a set threshold value time, and enabling the equipment to improve the awakening threshold value;
the closing module is used for closing the timer, and the equipment enters the preset awakening state;
a first calculating module, configured to calculate whether the timer resets the wake-up threshold using the following formula:
T＝T2-T1
when the T is greater than 0, the timer needs to reset the awakening threshold value, and the device enters the preset awakening state.
Preferably, the first judging module includes:
the second starting module is used for starting the multi-threshold mechanism when the equipment enters the preset state;
a second obtaining module, configured to obtain a wake-up value according to the multi-threshold mechanism;
and the second calculation module is used for performing preamble calculation according to the awakening value to obtain a calculation result so as to determine whether the equipment is used or not according to the calculation result.
Preferably, the second calculation module includes:
a calculating unit, configured to perform preamble calculation on the wake-up value by using the following formula to obtain the calculation result:
(N1+N2+..+Nn)/(Tn-T1)
wherein, N is the value of each voice wakeup, and T is the time of each voice wakeup;
determining a preset awakening threshold NUM;
when the (N1 + N2+. + Nn)/(Tn-T1) > NUM, it is determined that the device is used, the device exits the preset awake state, and the device enters the use state.
The technical scheme of the invention has the following advantages: the invention discloses a method and a device for reducing false wake-up rate, comprising the following steps: acquiring equipment data; calculating the current state of the equipment according to the data, wherein the current state comprises an idle state and a use state; when the equipment is in the idle state, the timer in the equipment resets an awakening threshold value, and the equipment enters a preset awakening state; when the equipment enters the preset awakening state, the equipment starts a multi-threshold mechanism, and when the awakening value is continuously available in unit time, the equipment exits the preset awakening state and enters the use state; and when the use state is finished, continuously acquiring the equipment data. The invention aims to provide a method and a device for reducing false wake-up rate, which can reduce the false wake-up rate of equipment in idle time without reducing equipment wake-up performance.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention will be realized and attained by the apparatus particularly pointed out in the written description and drawings thereof.
The technical solution of the present invention is further described in detail by the accompanying drawings and embodiments.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
FIG. 1 is a flowchart illustrating a method for reducing false wake-up rate according to the present invention;
FIG. 2 is a flowchart of another method for reducing false wake-up rate according to the present invention;
FIG. 3 is a block diagram of an apparatus for reducing false wake-up rate according to the present invention;
fig. 4 is a block diagram of another apparatus for reducing false wake-up rate according to the present invention.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it should be understood that they are presented herein only to illustrate and explain the present invention and not to limit the present invention.
An embodiment of the present invention provides a method for reducing a false wake-up rate, which can be implemented as the following steps S11 to S14, as shown in fig. 1:
in step S11, acquiring a state of the device, where the state includes an idle state and a use state;
in step S12, when the device is in the idle state, the timer in the device resets the wake-up threshold, and the device enters a preset wake-up state;
in step S13, when the device enters the preset wake-up state, determining whether the device is currently used, and when the device is used, converting the device from the preset wake-up state to the use state; (ii) a
In step S14, after determining that the use state is ended, the device state is continuously acquired.
The working principle and the beneficial effects of the technical scheme are as follows: firstly, acquiring equipment data; secondly, calculating the current state of the equipment according to the acquired data, and when the equipment is in a use state, continuing to acquire the equipment data by the equipment; when the equipment is in an idle state, resetting a wakeup threshold value by using a timer in the equipment to enable the equipment to enter a preset wakeup state; after the equipment enters the preset awakening state, the equipment starts to automatically judge whether the equipment is used currently, when a user uses the equipment, the equipment is converted into a using state from the preset awakening state, the equipment enters a normal interactive using state, an awakening threshold value is reset by a timer, and the mistaken awakening rate of the equipment which is not used for a long time can be greatly reduced, so that the use experience of the user is improved.
In one embodiment, when the device is in the idle state, the timer in the device resets the wake-up threshold, and the device enters a preset wake-up state, including:
starting the timer, wherein the timer starts timing;
when the timer times to a set threshold value, the equipment is still in the idle state, and the equipment improves the awakening threshold value;
closing the timer, and enabling the equipment to enter the preset awakening state;
whether the timer resets the wake-up threshold is calculated using the following equation:
T＝T2-T1
when the T is greater than 0, the timer needs to reset the awakening threshold value, and the device enters the preset awakening state.
The working principle and the beneficial effects of the technical scheme are as follows: when the equipment is in an idle state, the equipment automatically starts a timer, then the timer starts timing, when the timer times to a set threshold value time, namely the timer timing time T2 is greater than the set time threshold value T1, the equipment automatically judges to be in an always idle state, the timer improves the awakening threshold value at the moment, the equipment enters a preset awakening state, the awakening threshold value is adaptively adjusted through the timing of the timer, and the false awakening rate of the equipment under the condition of long-time running and non-use can be greatly reduced.
In one embodiment, the above step S13 can be implemented as the following steps S131 to S133:
in step S131, when the device enters the preset state, a multi-threshold mechanism is turned on;
in step S132, a wake-up value is obtained according to the multi-threshold mechanism;
in step S133, a preamble calculation is performed according to the wake-up value to obtain a calculation result, so as to determine whether the device is used according to the calculation result.
The working principle and the beneficial effects of the technical scheme are as follows: the method comprises the steps that firstly, the equipment enters a preset state, meanwhile, a multi-threshold mechanism is started, then the equipment acquires an awakening value according to the multi-threshold mechanism, preorder calculation is carried out on the acquired awakening value, whether the equipment is used or not can be judged according to a calculation result, and through the multi-threshold mechanism, the equipment can be guaranteed not to reduce the awakening rate of the equipment while reducing the mistaken awakening rate.
In an embodiment, said performing preamble calculation according to said wake-up value to obtain a calculation result, and determining whether said device is used according to said calculation result includes:
performing preamble calculation on the awakening value by using the following formula to obtain a calculation result:
(N1+N2+..+Nn)/(Tn-T1)
wherein, N is the value of each voice wakeup, and T is the time of each voice wakeup;
determining a preset awakening threshold NUM;
when the (N1 + N2+. + Nn)/(Tn-T1) > NUM, it is determined that the device is used, the device exits the preset awake state, and the device enters the use state.
The working principle and the beneficial effects of the technical scheme are as follows: after the equipment enters a preset awakening state, the equipment automatically starts a multi-threshold mechanism to obtain an awakening value, performs preamble calculation on the awakening value, judges that the equipment is ready to be used by a user at present when the awakening value is continuously available in unit time, exits the preset awakening state, enters a using state, starts normal interaction of the user, and can avoid reduction of equipment awakening rate and ensure equipment awakening performance according to the preamble calculation of the multi-threshold mechanism of the equipment.
For the method for reducing the false wake-up rate provided by the embodiment of the present invention, an embodiment of the present invention further provides a device for reducing the false wake-up rate, where the device includes:
a first obtaining module 31, configured to obtain states of a device, where the states include an idle state and a use state;
a reset module 32, configured to reset a timer wakeup threshold in the device when the device is in the idle state, so that the device enters a preset wakeup state;
a first determining module 33, configured to determine whether the device is currently used when the device enters the preset wake-up state, and when the device is used, the device is switched from the preset wake-up state to the use state;
and the second judging module 34 is configured to continuously acquire the device state after the use state is judged to be ended.
In one embodiment, the reset module includes:
the first starting module is used for starting the timer, and the timer starts timing;
a reset submodule, configured to, when the timer times a set threshold time, enable the device to be in the idle state, and enable the device to increase the wake-up threshold;
the closing module is used for closing the timer, and the equipment enters the preset awakening state;
a first calculating module, configured to calculate whether the timer resets the wake-up threshold using the following formula:
T＝T2-T1
when the T is greater than 0, the timer needs to reset the awakening threshold value, and the device enters the preset awakening state.
In one embodiment, the first determining module 33 includes:
a second starting module 331, configured to start a multi-threshold mechanism when the device enters the preset state;
a second obtaining module 332, configured to obtain a wake-up value according to the multi-threshold mechanism;
a second calculating module 333, configured to perform preamble calculation according to the wakeup value to obtain a calculation result, so as to determine whether the device is used according to the calculation result.
In one embodiment, the second calculation module comprises:
a calculating unit, configured to perform preamble calculation on the wake-up value by using the following formula to obtain the calculation result:
(N1+N2+..+Nn)/(Tn-T1)
wherein, N is the value of each voice wakeup, and T is the time of each voice wakeup;
determining a preset awakening threshold NUM;
when the (N1 + N2+. + Nn)/(Tn-T1) > NUM, it is determined that the device is used, the device exits the preset awake state, and the device enters the use state.
As will be appreciated by one skilled in the art, embodiments of the present invention may be provided as a method, system, or computer program product. Accordingly, the present invention may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present invention may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, optical storage, and the like) having computer-usable program code embodied therein.
The present invention has been described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems), and computer program products according to embodiments of the invention. It will be understood that each flow and/or block of the flowchart illustrations and/or block diagrams, and combinations of flows and/or blocks in the flowchart illustrations and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (4)
1. A method for reducing false wake-up rate, comprising:
acquiring the state of equipment, wherein the state comprises an idle state and a use state;
when the equipment is in the idle state, the timer in the equipment resets an awakening threshold value, and the equipment enters a preset awakening state;
when the equipment enters the preset awakening state, judging whether the equipment is used currently, and when the equipment is used, converting the equipment from the preset awakening state to the using state;
after the use state is judged to be finished, the equipment state is continuously acquired;
when the device enters the preset awakening state, judging whether the device is used currently, and when the device is used, converting the preset awakening state into a using state by the device, wherein the method comprises the following steps:
when the equipment enters the preset state, starting a multi-threshold mechanism;
acquiring a wake-up value according to the multi-threshold mechanism;
performing preamble calculation according to the awakening value to obtain a calculation result, and determining whether the equipment is used according to the calculation result;
the performing preamble calculation according to the wake-up value to obtain a calculation result, and determining whether the device is used according to the calculation result includes:
performing preamble calculation on the awakening value by using the following formula to obtain a calculation result:
(N1+N2+..+Nn)/(Tn-T1)
wherein, N is the numerical value of each voice awakening, and T is the time of each voice awakening;
determining a preset awakening threshold NUM;
when the (N1 + N2+. + Nn)/(Tn-T1) > NUM, it is determined that the device is used, the device exits the preset awake state, and the device enters the use state.
2. The method of claim 1, wherein the resetting a wake-up threshold by a timer when the device is in the idle state, and the device entering a preset wake-up state comprises:
starting the timer, wherein the timer starts timing;
when the timer times to a set threshold value, the equipment is still in the idle state, and the equipment improves the awakening threshold value;
closing the timer, and enabling the equipment to enter the preset awakening state;
whether the timer resets the wake-up threshold is calculated using the following equation:
T＝T2-T1
when the T is greater than 0, the timer needs to reset the awakening threshold value, and the device enters the preset awakening state.
3. An apparatus for reducing false wake-up rate, comprising:
the device comprises a first acquisition module, a second acquisition module and a control module, wherein the first acquisition module is used for acquiring the state of the device, and the state comprises an idle state and a use state;
the reset module is used for resetting a timer awakening threshold value in the equipment when the equipment is in the idle state, so that the equipment enters a preset awakening state;
the first judging module is used for judging whether the equipment is used currently or not when the equipment enters the preset awakening state, and when the equipment is used, the equipment is converted into the using state from the preset awakening state; the second judging module is used for continuously acquiring the equipment state after judging that the use state is finished;
the first judging module comprises:
the second starting module is used for starting the multi-threshold mechanism when the equipment enters the preset state;
a second obtaining module, configured to obtain a wake-up value according to the multi-threshold mechanism;
the second calculation module is used for performing preorder calculation according to the awakening numerical value to obtain a calculation result, and determining whether the equipment is used or not according to the calculation result;
the second calculation module includes:
a calculating unit, configured to perform preamble calculation on the wake-up value by using the following formula to obtain the calculation result:
(N1+N2+..+Nn)/(Tn-T1)
wherein, N is the numerical value of each voice awakening, and T is the time of each voice awakening;
determining a preset awakening threshold NUM;
when the (N1 + N2+. + Nn)/(Tn-T1) > NUM, it is determined that the device is used, the device exits the preset awake state, and the device enters the use state.
4. The apparatus for reducing false wake-up rate according to claim 3, wherein the reset module comprises:
the first starting module is used for starting the timer, and the timer starts timing;
a reset submodule, configured to, when the timer times a set threshold time, enable the device to be in the idle state, and enable the device to increase the wake-up threshold;
the closing module is used for closing the timer, and the equipment enters the preset awakening state;
a first calculating module, configured to calculate whether the timer resets the wake-up threshold using the following formula:
T＝T2-T1
when the T is greater than 0, the timer resets the awakening threshold value, and the equipment enters the preset awakening state.
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| CN109256134A (en) * | 2018-11-22 | 2019-01-22 | 深圳市同行者科技有限公司 | A kind of voice awakening method, storage medium and terminal |
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| CH647380GA3 (en) * | 1979-11-07 | 1985-01-31 | Electronic device with a waking function | |
| US8121618B2 (en) * | 2009-10-28 | 2012-02-21 | Digimarc Corporation | Intuitive computing methods and systems |
| CN104617943B (en) * | 2015-02-06 | 2016-03-30 | 中国人民解放军国防科学技术大学 | Multi thresholds low-power consumption D type CR register |
| CN105391730B (en) * | 2015-12-02 | 2018-09-18 | 北京云知声信息技术有限公司 | A kind of information feedback method, apparatus and system |
| CN107885306A (en) * | 2016-09-29 | 2018-04-06 | 联芯科技有限公司 | The dormancy control method and equipment of central processing unit |
| CN106611597B (en) * | 2016-12-02 | 2019-11-08 | 百度在线网络技术（北京）有限公司 | Voice awakening method and device based on artificial intelligence |
| CN108564951B (en) * | 2018-03-02 | 2021-05-25 | 云知声智能科技股份有限公司 | Method for intelligently reducing false awakening probability of voice control equipment |
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