CN107610700A - A kind of terminal control method and system based on MEMS microphone - Google Patents
A kind of terminal control method and system based on MEMS microphone Download PDFInfo
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- CN107610700A CN107610700A CN201710801421.8A CN201710801421A CN107610700A CN 107610700 A CN107610700 A CN 107610700A CN 201710801421 A CN201710801421 A CN 201710801421A CN 107610700 A CN107610700 A CN 107610700A
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Abstract
The present invention relates to a kind of terminal control method and system based on MEMS microphone, this method includes：Extract the characteristic information in the voice signal of terminal pickup；Characteristic information is matched with the characteristic information to prestore；When characteristic information and the characteristic information to prestore match, then activation signal is generated；Phonetic order is extracted from voice signal according to activation signal, when phonetic order is identical with the phonetic order to prestore, control terminal enters working condition.Present invention reduces the power realized the terminal of voice arousal function and consumed.
Description
Technical field
The present invention relates to technical field of information processing, more particularly to a kind of terminal control method based on MEMS microphone and
System.
Background technology
With the development of science and technology, existing intelligent mobile terminal, even if in the dormant state also can detect user
Voice signal, and corresponding operating is carried out according to voice signal, this kind of function is voice arousal function, existing phonetic function
In the presence of following drawback：Moment is acquired to voice signal, and voice signal is handled, and judges whether to control according to result
Terminal processed enters working condition, due to gathering, handling and deterministic process is carried out always, causes power consumption larger.
The content of the invention
The technical problems to be solved by the invention are in view of the shortcomings of the prior art, there is provided a kind of based on MEMS microphone
Terminal control method and system.
The technical scheme that the present invention solves above-mentioned technical problem is as follows：A kind of terminal control side based on MEMS microphone
Method, including：
Extract the characteristic information in the voice signal of terminal pickup；
The characteristic information is matched with the characteristic information to prestore；
When the characteristic information and the characteristic information to prestore match, then activation signal is generated；
Phonetic order is extracted from the voice signal according to the activation signal, when the phonetic order and the language to prestore
When sound instruction is identical, the terminal is controlled to enter working condition.
The beneficial effects of the invention are as follows：Characteristic information in the voice messaging picked up by extracting terminal, and then by feature
Information is matched with the characteristic information to prestore, only when characteristic information and the characteristic information to prestore match, just according to language
Sound signal and the phonetic order to prestore determine whether that control terminal enters working condition, avoid picking up a voice signal i.e. according to one
The problem of voice signal determines whether to control the state of terminal to cause terminal power consumption big, saves resource.
Another technical scheme that the present invention solves above-mentioned technical problem is as follows：A kind of terminal control based on MEMS microphone
System, including：
Extraction module, the characteristic information in voice signal for extracting terminal pickup；
Processing module, for the characteristic information to be matched with the characteristic information to prestore；
When the characteristic information and the characteristic information to prestore match, then activation signal is generated；
Control module, for extracting phonetic order from the voice signal according to the activation signal, when the voice
When instructing identical with the phonetic order to prestore, the terminal is controlled to enter working condition.
The beneficial effects of the invention are as follows：Characteristic information in the voice messaging picked up by extracting terminal, and then by feature
Information is matched with the characteristic information to prestore, only when characteristic information and the characteristic information to prestore match, just according to language
Sound signal and the phonetic order to prestore determine whether that control terminal enters working condition, avoid picking up a voice signal i.e. according to one
The problem of voice signal determines whether to control the state of terminal to cause terminal power consumption big, saves resource.
Brief description of the drawings
Fig. 1 is a kind of flow signal for terminal control method based on MEMS microphone that one embodiment of the invention provides
Figure；
Fig. 2 is a kind of flow signal for terminal control method based on MEMS microphone that another embodiment of the present invention provides
Figure；
Fig. 3 is a kind of structural representation of the terminal control system based on MEMS microphone provided in an embodiment of the present invention.
Embodiment
The principle and feature of the present invention are described below in conjunction with accompanying drawing, the given examples are served only to explain the present invention, and
It is non-to be used to limit the scope of the present invention.
As shown in figure 1, a kind of terminal control method based on MEMS microphone provided in an embodiment of the present invention, including：
S1, extract the characteristic information in the voice signal of terminal pickup；
In the embodiment, voice signal, the voice person of sending corresponding to voice signal are picked up by the MEMS microphone of terminal
Can be people, animal or environment.
S2, the characteristic information is matched with the characteristic information to prestore；
When the characteristic information and the characteristic information to prestore match, then activation signal is generated；
In the embodiment, activation signal can be activation data signal, activation voltage signal, sensitizing pulse signal or activation
Discrete signal.
S3, phonetic order is extracted from the voice signal according to the activation signal, when the phonetic order is with prestoring
Phonetic order it is identical when, control the terminal to enter working condition.
A kind of terminal control method based on MEMS microphone provided in an embodiment of the present invention, by extracting terminal pickup
Characteristic information in voice messaging, and then characteristic information is matched with the characteristic information to prestore, only when characteristic information with
When the characteristic information to prestore matches, just determine whether to control terminal to enter work according to voice signal and the phonetic order to prestore
State, one voice signal of pickup is avoided to be determined whether to control the state of terminal to cause terminal power consumption according to a voice signal
The problem of big, save resource.
Alternatively, in the embodiment of the present invention, the S1 can include：
Extract the tone color of the voice in the voice signal of the terminal pickup.
In the embodiment, tone color refers to the sense quality of sound, and the different voice persons of sending is because structoure of the human body is different, hair
Go out having different timbres for sound, the voice person of sending can be distinguished by tone color.
In above-described embodiment, the tone color of the voice in the voice signal picked up by extracting terminal, voice signal pair is determined
Whether the voice person of sending answered the voice person of sending corresponding with the characteristic information to prestore is identical, so as to carried out to voice signal just
Step screening, one voice signal of pickup is avoided to be determined whether to control the state of terminal to cause terminal power to disappear according to a voice signal
The problem of big is consumed, saves resource.
Alternatively, as shown in Fig. 2 in the embodiment of the present invention, extracted according to the activation signal from the voice signal
Phonetic order includes：
The voice signal is converted to by analog signal according to the activation signal；
Carry out noise reduction process and enhanced processing, the analog signal after acquisition processing successively to the analog signal；
Analog signal after the processing is converted into data signal, the voice is extracted from the data signal and is referred to
Order.
In the embodiment, it is the nothing because signal is fainter that processing is amplified to the analog signal after noise reduction process
Method carries out analog-to-digital conversion and extraction process.Analog signal after processing can be converted to by data signal using analog-digital converter.Language
Sound instruction can include：" opening mobile phone " or " unlatching mobile phone " etc..
In above-described embodiment, by converting voice signals into analog signal, and noise reduction process, drop are carried out to analog signal
Low influence of the noise to analog signal, then processing is amplified to analog signal, the analog signal after being handled, so as to carry
Phonetic order is taken out, realizes voice arousal function, is only just changed after activation signal generation and subsequent treatment, avoids picking up
One voice signal is the problem of determining whether to control the state of terminal to cause terminal power consumption big according to a voice signal.
Alternatively, in the embodiment of the present invention, when the characteristic information mismatches with the characteristic information to prestore, terminate
Processing.
In the embodiment, when characteristic information and the characteristic information to prestore mismatch, end processing, the affiliated language of this feature information
The voice person of sending corresponding to sound signal is not the voice person of sending corresponding to the phonetic order to prestore, therefore the affiliated voice of this feature information
Signal can not make terminal enter working condition by holding state.
In above-described embodiment, when characteristic information and the characteristic information to prestore mismatch, end processing, avoid picking up a language
Sound signal is the problem of determining whether to control the state of terminal to cause terminal power consumption big according to a voice signal, to save money
Source.
As shown in figure 3, a kind of terminal control system based on MEMS microphone provided in an embodiment of the present invention, including：
Extraction module, the characteristic information in voice signal for extracting terminal pickup；
Processing module, for the characteristic information to be matched with the characteristic information to prestore；
When the characteristic information and the characteristic information to prestore match, then activation signal is generated；
Control module, for extracting phonetic order from the voice signal according to the activation signal, when the voice
When instructing identical with the phonetic order to prestore, the terminal is controlled to enter working condition.
A kind of terminal control system based on MEMS microphone provided in an embodiment of the present invention, by extracting terminal pickup
Characteristic information in voice messaging, and then characteristic information is matched with the characteristic information to prestore, only when characteristic information with
When the characteristic information to prestore matches, just determine whether to control terminal to enter work according to voice signal and the phonetic order to prestore
State, one voice signal of pickup is avoided to be determined whether to control the state of terminal to cause terminal power consumption according to a voice signal
The problem of big, save resource.
Alternatively, in the embodiment of the present invention, extraction module is specifically used for：In the voice signal for extracting the terminal pickup
The tone color of voice.
In above-described embodiment, the tone color of the voice in the voice signal picked up by extracting terminal, voice signal pair is determined
Whether the voice person of sending answered the voice person of sending corresponding with the characteristic information to prestore is identical, so as to carried out to voice signal just
Step screening, one voice signal of pickup is avoided to be determined whether to control the state of terminal to cause terminal power to disappear according to a voice signal
The problem of big is consumed, saves resource.
Alternatively, in the embodiment of the present invention, control module is specifically used for：
The voice signal is converted to by analog signal according to the activation signal；
Carry out noise reduction process and enhanced processing, the analog signal after acquisition processing successively to the analog signal；
Analog signal after the processing is converted into data signal, the voice is extracted from the data signal and is referred to
Order.
In above-described embodiment, by converting voice signals into analog signal, and noise reduction process, drop are carried out to analog signal
Low influence of the noise to analog signal, then processing is amplified to analog signal, the analog signal after being handled, so as to carry
Phonetic order is taken out, realizes voice arousal function, is just changed when activation signal only be present and subsequent treatment, avoids picking up
One voice signal is the problem of determining whether to control the state of terminal to cause terminal power consumption big according to a voice signal.
Alternatively, in the embodiment of the present invention, processing module is additionally operable to：When the characteristic information and the feature to prestore are believed
When breath mismatches, end processing.
In above-described embodiment, when characteristic information and the characteristic information to prestore mismatch, end processing, avoid picking up a language
Sound signal is the problem of determining whether to control the state of terminal to cause terminal power consumption big according to a voice signal, to save money
Source.
Function performed by each module of the system is in a kind of terminal control based on MEMS microphone of above-described embodiment
Have been described in detail in method processed, repeat no more here.
The foregoing is only presently preferred embodiments of the present invention, be not intended to limit the invention, it is all the present invention spirit and
Within principle, any modification, equivalent substitution and improvements made etc., it should be included in the scope of the protection.
Claims (8)
- A kind of 1. terminal control method based on MEMS microphone, it is characterised in that including:Extract the characteristic information in the voice signal of terminal pickup；The characteristic information is matched with the characteristic information to prestore；When the characteristic information and the characteristic information to prestore match, then activation signal is generated；Phonetic order is extracted from the voice signal according to the activation signal, when the phonetic order refers to the voice to prestore When making identical, the terminal is controlled to enter working condition.
- 2. according to the method for claim 1, it is characterised in that the feature letter in the voice signal of the extraction terminal pickup Breath, is specifically included：Extract the tone color of the voice in the voice signal of the terminal pickup.
- 3. according to the method for claim 1, it is characterised in that it is described according to the activation signal from the voice signal Extraction phonetic order includes：The voice signal is converted to by analog signal according to the activation signal；Carry out noise reduction process and enhanced processing, the analog signal after acquisition processing successively to the analog signal；Analog signal after the processing is converted into data signal, the phonetic order is extracted from the data signal.
- 4. according to the method described in claim any one of 1-3, it is characterised in that when the characteristic information and the spy to prestore When reference breath mismatches, end processing.
- A kind of 5. terminal control system based on MEMS microphone, it is characterised in that including：Extraction module, the characteristic information in voice signal for extracting terminal pickup；Processing module, for the characteristic information to be matched with the characteristic information to prestore；When the characteristic information and the characteristic information to prestore match, then activation signal is generated；Control module, for extracting phonetic order from the voice signal according to the activation signal, when the phonetic order When identical with the phonetic order to prestore, the terminal is controlled to enter working condition.
- 6. system according to claim 5, it is characterised in that the extraction module is specifically used for：The terminal is extracted to pick up The tone color of voice in the voice signal taken.
- 7. system according to claim 5, it is characterised in that the control module is specifically used for：The voice signal is converted to by analog signal according to the activation signal；Carry out noise reduction process and enhanced processing, the analog signal after acquisition processing successively to the analog signal；Analog signal after the processing is converted into data signal, the phonetic order is extracted from the data signal.
- 8. according to the system described in claim any one of 5-7, it is characterised in that the processing module is additionally operable to：As the spy When reference ceases and the characteristic information to prestore mismatches, end processing.
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| CN201710801421.8A CN107610700A (en) | 2017-09-07 | 2017-09-07 | A kind of terminal control method and system based on MEMS microphone |
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| CN201710801421.8A CN107610700A (en) | 2017-09-07 | 2017-09-07 | A kind of terminal control method and system based on MEMS microphone |
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| CN108597507A (en) * | 2018-03-14 | 2018-09-28 | 百度在线网络技术（北京）有限公司 | Far field phonetic function implementation method, equipment, system and storage medium |
| CN108922528A (en) * | 2018-06-29 | 2018-11-30 | 百度在线网络技术（北京）有限公司 | Method and apparatus for handling voice |
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| US20160133255A1 (en) * | 2014-11-12 | 2016-05-12 | Dsp Group Ltd. | Voice trigger sensor |
| CN106161755A (en) * | 2015-04-20 | 2016-11-23 | 钰太芯微电子科技（上海）有限公司 | A kind of key word voice wakes up system and awakening method and mobile terminal up |
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| CN104378723A (en) * | 2013-08-16 | 2015-02-25 | 上海耐普微电子有限公司 | Microphone with voice wake-up function |
| CN103442138A (en) * | 2013-08-26 | 2013-12-11 | 华为终端有限公司 | Voice control method, device and terminal |
| US20160133255A1 (en) * | 2014-11-12 | 2016-05-12 | Dsp Group Ltd. | Voice trigger sensor |
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Application publication date: 20180119 |