CN108429955A - Release ambient sound enters the intelligent apparatus and method of earphone - Google Patents
Release ambient sound enters the intelligent apparatus and method of earphone Download PDFInfo
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- CN108429955A CN108429955A CN201810356065.8A CN201810356065A CN108429955A CN 108429955 A CN108429955 A CN 108429955A CN 201810356065 A CN201810356065 A CN 201810356065A CN 108429955 A CN108429955 A CN 108429955A
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- sound
- earphone
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- user
- surrounding enviroment
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/10—Earpieces; Attachments therefor ; Earphones; Monophonic headphones
- H04R1/1041—Mechanical or electronic switches, or control elements
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R3/00—Circuits for transducers, loudspeakers or microphones
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2201/00—Details of transducers, loudspeakers or microphones covered by H04R1/00 but not provided for in any of its subgroups
- H04R2201/10—Details of earpieces, attachments therefor, earphones or monophonic headphones covered by H04R1/10 but not provided for in any of its subgroups
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2430/00—Signal processing covered by H04R, not provided for in its groups
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- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Circuit For Audible Band Transducer (AREA)
Abstract
The present invention proposes a kind of intelligent apparatus and method for discharging ambient sound and entering earphone, including：For the sound pick-up for acquiring ambient sound, processor, the controller for adjusting sound output analyzed for the ambient sound to acquisition, wherein, the output end of the sound pick-up is connect with the input terminal of the processor, the processor and the controller two-way communication link, the input termination external played equipment of the controller is with by external transmission of sound signals to the controller, the output end of the controller is connected to earphone, exporting the sound after adjusting to earphone, user is played to.The present invention can be by the feature difference of frame voice data before and after Continuous plus, and combines the automatic mark function of this intelligent apparatus, the sound for whether occurring that user is needed to pay close attention in background noise is differentiated in real time, and if necessary discharge ambient sound into user's earphone.
Description
Technical field
The present invention relates to intelligent playback equipment technical field, more particularly to a kind of release ambient sound enters the intelligence of earphone
Device and method.
Background technology
In general, people be not easily heard when with earphone listening program occur in environment it is important, need to pay close attention to
Sound, such as other people initiate and the voice of oneself talk, the vehicle whistle sound etc. in environment.Since outside environmental sounds are by base
This shielding can cause several inconvenience of Working Life, or even cause security risk.
Invention content
The purpose of the present invention aims to solve at least one of described technological deficiency.
For this purpose, it is an object of the invention to propose that a kind of release ambient sound enters the intelligent apparatus and method of earphone.
To achieve the goals above, the embodiment of the present invention provides a kind of intelligence dress for discharging ambient sound and entering earphone
It sets, including：For acquiring the sound pick-up of ambient sound, the processor analyzed for the ambient sound to acquisition, for adjusting
Save the controller of sound output, wherein the output end of the sound pick-up is connect with the input terminal of the processor, the processor
With the controller two-way communication link, the input termination external played equipment of the controller is to pass external voice signal
The controller is transported to, the output end of the controller is connected to earphone, and the sound after adjusting is exported to earphone, is played to
User, wherein
The intelligent apparatus course of work that the release ambient sound enters earphone is as follows：
The voice signal of surrounding enviroment is acquired by sound pick-up, and the voice signal of the surrounding enviroment is sent to the place
Manage device；The processor after the voice signal for receiving the surrounding enviroment acquired from the sound pick-up, to voice signal into
Row analog-digital conversion AD samplings, generate the voice data of digital signal, are analyzed the voice data and extract sound spy
Data are levied, background noise signature is continuously calculated, constantly calculate the difference of the sound characteristic and previous frame of this current frame time,
As the voice characteristics data of surrounding enviroment and the feature difference of background noise, and receives regulating command input by user and adjust spy
Discrepancy threshold is levied, when the voice characteristics data of surrounding enviroment and the feature difference of background noise are more than the feature difference threshold value
When, judge that voice characteristics data needs are paid close attention to by user, which is delivered to controller；The controller exists
After the voice characteristics data for receiving the surrounding enviroment from the processor, original sound being played on is reduced or directly cut off
Program intercuts the voice characteristics data of current surrounding enviroment in real time.
Further, it is connected using wired or wireless way between the sound pick-up, processor and controller.
Further, the controller uses microcontroller chip.
Further, the external played equipment is mobile phone, tablet computer or portable multi-function digital multimedia player.
Further, the physical form for the intelligent apparatus that the release ambient sound enters earphone includes one of following three kinds：
(1) the release ambient sound enters the intelligent apparatus of earphone and earphone is integrated into a whole equipment；
(2) intelligent apparatus that the release ambient sound enters earphone is integrated into a whole with external played equipment sets
It is standby；
(3) intelligent apparatus that the release ambient sound enters earphone is independently arranged.
Further, the user passes through the controller and inputs regulating command, wherein the regulating command includes：
(1) absolute silent mode
Under absolute silent mode, extraneous any sound can all be shielded, and earphone will not be discharged into；
(2) relative quiet pattern
Under relative quiet pattern, the sound for meeting the following conditions is discharged to earphone：
1) when the feature difference of the voice characteristics data of surrounding enviroment and background noise is more than the feature difference threshold value,
Judge that voice characteristics data needs are paid close attention to by user, i.e., the larger unexpected sound needs that user is caused to pay close attention in environment, by this
Voice characteristics data is delivered to controller, discharges to earphone,
2) difference of different nature and the feature of the sound of background noise are recorded, forms knowledge base, and compare
Deposit is marked to knowledge base, when the sound characteristic received meets in knowledge base to sound characteristic in the operation behavior of user
Label when, which is delivered to controller, release to earphone；
(3) direct mode operation：
Under direct mode operation, it is adjusted to external environmental sounds and is directly released into earphone, the sound characteristic under this pattern
It can be recorded, constantly difference of different nature and the feature of the sound of background noise are recorded, form knowing for oneself
Know library, and compare the operation behavior of user, sound characteristic is marked.
The present invention also proposes that a kind of release ambient sound enters the intelligent method of earphone, includes the following steps：
Step S1 is acquired the voice signal of surrounding enviroment by sound pick-up, and the voice signal of the surrounding enviroment is sent
To the processor；
Step S2, the processor are right after the voice signal for receiving the surrounding enviroment acquired from the sound pick-up
Voice signal carries out analog-digital conversion AD samplings, generates the voice data of digital signal, and it is special continuously to calculate background noise
Sign constantly calculates the difference of the sound characteristic and previous frame of this current frame time, the voice characteristics data as surrounding enviroment
With the feature difference of background noise, voice characteristics data is analyzed the voice data and extracted, and is received input by user
Regulating command adjusts feature difference threshold value, when the voice characteristics data of surrounding enviroment and the feature difference of background noise are more than described
When feature difference threshold value, judges that voice characteristics data needs are paid close attention to by user, which is delivered to controller；
Step S3, the controller is after the voice characteristics data for receiving the surrounding enviroment from the processor, drop
It is low or directly cut off original sound program being played on, the voice characteristics data of current surrounding enviroment is intercutted in real time.
Further, in the step S2, the user inputs regulating command by the controller, wherein the tune
Section instructs：
(1) absolute silent mode
Under absolute silent mode, extraneous any sound can all be shielded, and earphone will not be discharged into；
(2) relative quiet pattern
Under relative quiet pattern, the sound for meeting the following conditions is discharged to earphone：
1) when the feature difference of the voice characteristics data of surrounding enviroment and background noise is more than the feature difference threshold value,
Judge that voice characteristics data needs are paid close attention to by user, i.e., the larger unexpected sound needs that user is caused to pay close attention in environment, by this
Voice characteristics data is delivered to controller, discharges to earphone,
2) difference of different nature and the feature of the sound of background noise are recorded, forms knowledge base, and compare
Deposit is marked to knowledge base, when the sound characteristic received meets in knowledge base to sound characteristic in the operation behavior of user
Label when, which is delivered to controller, release to earphone；
(3) direct mode operation：
Under direct mode operation, it is adjusted to external environmental sounds and is directly released into earphone, the sound characteristic under this pattern
It can be recorded, constantly difference of different nature and the feature of the sound of background noise are recorded, form knowing for oneself
Know library, and compare the operation behavior of user, sound characteristic is marked.
Release ambient sound according to the ... of the embodiment of the present invention enters the intelligent apparatus and method of earphone, is picked up by designing installation
Sound device, processor and controller acquire environmental sound signal by the transmission connection relation between three by sound pick-up, by
Processor carries out analyzing and determining the sound differentiated and user is needed to pay close attention in background noise, and if necessary by controller by environment
Sound is discharged into user's earphone.The present invention has simple in structure, the good feature of realization effect, can be according to finger input by user
The threshold value for adjusting feature difference is enabled, selects different operating modes as needed so that the characteristic difference with background noise
Sound to predeterminable level can just be released to earphone, so that the sound of user's concern is passed to earphone without being shielded
It covers, to avoid several inconvenience in Working Life, the sound that user pays close attention to is passed into earphone in time, improves the experience of user
Degree.
The additional aspect of the present invention and advantage will be set forth in part in the description, and will partly become from the following description
Obviously, or practice through the invention is recognized.
Description of the drawings
The above-mentioned and/or additional aspect and advantage of the present invention will become in the description from combination following accompanying drawings to embodiment
Obviously and it is readily appreciated that, wherein：
Fig. 1 is the structure chart for the intelligent apparatus for entering earphone according to the release ambient sound of the embodiment of the present invention；
Fig. 2 is the fundamental diagram according to the controller of the embodiment of the present invention；
Fig. 3 is the flow chart for the intelligent method for entering earphone according to the release ambient sound of the embodiment of the present invention；
Fig. 4 is the schematic diagram for the intelligent method for entering earphone according to the release ambient sound of the embodiment of the present invention.
Specific implementation mode
The embodiment of the present invention is described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning to end
Same or similar label indicates same or similar element or element with the same or similar functions.Below with reference to attached
The embodiment of figure description is exemplary, it is intended to for explaining the present invention, and is not considered as limiting the invention.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " fixation " etc.
Term shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can be machine
Tool connects, and can also be electrical connection；It can be directly connected, can also can be indirectly connected through an intermediary two members
Connection inside part.For the ordinary skill in the art, above-mentioned term can be understood in this hair as the case may be
Concrete meaning in bright.
The present invention proposes that a kind of release ambient sound enters the intelligent apparatus of earphone, being capable of continuous monitoring of environmental sound and general
The ambient sound for causing user to pay close attention to is needed to discharge into earphone.
As shown in Figure 1, the release ambient sound of the embodiment of the present invention enters the intelligent apparatus of earphone, including：For acquiring
The sound pick-up 100 of ambient sound, the processor 200 analyzed for the ambient sound to acquisition, for adjusting sound output
Controller 300.
In one embodiment of the invention, wired or nothing is used between sound pick-up 100, processor 200 and controller 300
Line mode connects.
Specifically, the output end of sound pick-up 100 is connect with the input terminal of processor 200, processor 200 and controller 300
Two-way communication link, the input termination external played equipment 400 of controller 300 is with by external transmission of sound signals to controller
300, the output end of controller 300 is connected to earphone 500, and the sound after adjusting is exported to earphone 500, user is played to.
In yet another embodiment of the present invention, external played equipment 400 is mobile phone, tablet computer or portable multi-function
Digital multimedia player.
Specifically, sound pick-up 100 can constantly acquire surrounding enviroment sound, it is then input to processor 200 and is analyzed,
The sound that user whether occurs and should pay close attention to is analyzed and determined by processor 200.Fig. 3 is the sound pick-up according to the embodiment of the present invention
100 circuit diagram.
In one embodiment of the invention, sound characteristic extraction have many algorithms, this be one it is very common relative at
Ripe technology forms digital signal after generally being sampled to sound with 16kHz sample rates, then carry out pre-add to high frequency section
Weight calculates accuracy rate to improve acoustic model.Sound is divided into the frame of same time length again, the length of each frame is with milli
Second calculates, and then extracts feature to continuous perform mathematical calculations per frame data.When feature is substantially continuous constant, can recognize
To be background noise.When unexpected someone speaks, sound characteristic can occur significantly to change.
Processor 200 samples the voice signal of input after receiving the environmental sound signal of acquisition, is formed just
In the digital signal of subsequent processing, then voice data is analyzed, extracts data characteristics, is responsible between Continuous plus time slice
Feature difference, i.e., constantly calculate the difference of the sound characteristic and previous frame of this current frame time, the sound as surrounding enviroment
The feature difference of sound characteristic and background noise.For example, the background noise on train is although noisy, but by many fine crushing
What sound mix came out, the sound characteristic developed at any time does not change substantially, until attendant " is checked tickets with being said compared with loud noise
".It is a feature of the present invention that at this moment sound characteristic that the device can calculate is changed, so by ring at this moment
Border sound discharges the earphone into user.
Threshold value is calculated according to regulating command input by user, causes to use to determine whether the sound currently monitored belongs to needs
The sound of family concern.Processor 200 receives regulating command input by user, this regulating command is mainly used for adjusting feature difference
Threshold value so that can be just released in earphone 500 with the sound of the characteristic difference of background noise to a certain degree.That is, when week
When the voice characteristics data of surrounding environment and the feature difference of background noise are more than the feature difference threshold value, the sound characteristic is judged
Data needs are paid close attention to by user, which is delivered to controller 300；The controller 300 comes from receiving
After the voice characteristics data of the surrounding enviroment of the processor 200, reduces or directly cut off original sound program being played on, it is real
When intercut the voice characteristics datas of current surrounding enviroment.
The present invention can constantly remember user's feature of interest, such as the speech of your boss.In the way of machine learning
The mathematical feature of background noise is automatically analyzed, tells sound deviateing this feature, protruding from background noise automatically, and not
Disconnected study user is to the feedback of sound, the mathematical feature of automatic Memory user sound of interest, when there is the sound next time
User's earphone 500 can intelligently be cut.
(1) absolute silent mode
Under absolute silent mode, extraneous any sound can all be shielded, and earphone 500, such user will not be discharged into
Quiet it can appreciate sound programme.For example, under absolute silent mode, anyone cries out user, user not to hear.
(2) relative quiet pattern
Under relative quiet pattern, the sound for meeting the following conditions is discharged to earphone：
1) when the feature difference of the voice characteristics data of surrounding enviroment and background noise is more than the feature difference threshold value,
Judge that voice characteristics data needs are paid close attention to by user, i.e., the larger unexpected sound needs that user is caused to pay close attention in environment, by this
Voice characteristics data is delivered to controller, discharges to earphone,
2) difference of different nature and the feature of the sound of background noise are recorded, forms knowledge base, and compare
Deposit is marked to knowledge base, when the sound characteristic received meets in knowledge base to sound characteristic in the operation behavior of user
Label when, which is delivered to controller, release to earphone.
For example, under relative quiet pattern, i.e., in the case of quieter, general noise user does not hear, but if there is
People cries out user suddenly, can hear.
The features of the present invention for the moment, intelligent apparatus can constantly analysis background noise feature, obtain background noise
Universals, the voice signal for meeting the general feature are shielded as background noise, are made an uproar for obviously not meeting the background
The signal of sound, the significant signal of sound characteristic are discharged into earphone 500.
Such as street bustling with vehicles, sound very noisy, but sound characteristic is very gentle, always all so noises.If
There is a automobile significantly to honk suddenly, this sound characteristic highly significant, hence it is evident that different from continuing since beginning listening for
Continuous noise about the same.When device listens to this situation, just discharge into earphone 500.
Based on above-mentioned principle, the relative quiet pattern that the present invention is arranged is exactly by intelligent apparatus by the sustained back of the body
Scape noise isolation, but sound loud suddenly can be released into.Unless user setting is absolutely silent, does not then discharge and appoint
What sound is into earphone 500, if at this time someone cries out user, user to be not easy to hear suddenly certainly.
(3) direct mode operation：
It under direct mode operation, is adjusted to external environmental sounds and is directly released into earphone 500, the sound under this pattern is special
Sign can be recorded, and constantly record difference of different nature and the feature of the sound of background noise, form oneself
Knowledge base, and the operation behavior of user is compareed, sound characteristic is marked.For example, in direct mode operation, user does not need
Earphone 500 is taken, external sound all will discharge.That is when leader talks with user, user is need not to pluck
Lower earphone 500.Music is suspended if when user hears the sound of leader, the sound characteristic that this scene occurs will
It is labeled a higher importance, if same scene occurs repeatedly, system occurs in which will more be sure about in next time
The sound is discharged into earphone 500 when this sound characteristic.It is when needing sound being discharged into earphone 500 that operational order is defeated
Go out to controller 300, currently playing broadcast sounds are reduced or switched off by notification controller 300, intercut or be mixed into current ring
Border sound.Sound channel switch module receives the instruction of control model management, and current environmental sound is exported to controller 300.
Once necessity sends out instruction to controller 300 immediately, reduces original sound program volume being played on or directly cut
It is disconnected, the ambient sound of current pickup is intercutted in real time, to cause user to pay close attention to.User can be defeated from controller 300 to processor 200
Enter regulating command, to adjust the analysis behavior of processor 200.Fig. 2 is the work according to the controller 300 of the embodiment of the present invention
Schematic diagram.User's adjustment module exports user's regulating command, the Working mould of concrete function reference processor 200 to processor 200
Formula management module.Access selecting module determines that A-C is communicated or B-C is communicated according to control instruction, the former plays sound programme, after
Person discharges ambient sound into earphone 500.
In one embodiment of the invention, release ambient sound enters the physical form packet of the intelligent apparatus of earphone 500
Include one of following three kinds：
(1) release ambient sound enters the intelligent apparatus of earphone 500 and earphone 500 is integrated into a whole equipment；
(2) release ambient sound enters the intelligent apparatus of earphone 500 and is integrated into a whole and sets with external played equipment 400
It is standby；
(3) release ambient sound enters the intelligent apparatus of earphone 500 and is independently arranged, and earphone 500 is connected as autonomous device
And playback equipment.
As shown in Figure 3 and Figure 4, the embodiment of the present invention additionally provides a kind of intelligence side for discharging ambient sound and entering earphone
Method includes the following steps：
Step S1, the voice signal of surrounding enviroment is acquired by sound pick-up, and the voice signal of surrounding enviroment is sent to place
Manage device.
Step S2, processor is after the voice signal for receiving the surrounding enviroment acquired from sound pick-up, to voice signal
Analog-digital conversion AD samplings are carried out, the voice data of the digital signal convenient for subsequent processing is generated, which is carried out
It analyzes and extracts voice characteristics data.
Specifically, in one embodiment of the invention, sound characteristic extraction has many algorithms, this is one very common
The technology of relative maturity forms digital signal after generally being sampled to sound with 16kHz sample rates, then to high frequency section into
Row preemphasis calculates accuracy rate to improve acoustic model.Sound is divided into the frame of same time length, the length of each frame again
Degree is calculated in milliseconds, then extracts feature to continuous perform mathematical calculations per frame data.When feature is substantially continuous constant,
It may be considered background noise.When unexpected someone speaks, sound characteristic can occur significantly to change.
Processor further receives regulating command input by user and adjusts feature difference threshold value, is responsible for Continuous plus timeslice
Feature difference between section.When the voice characteristics data of surrounding enviroment and the feature difference of background noise are more than feature difference threshold value
When, judge that voice characteristics data needs are paid close attention to by user, which is delivered to controller.It constantly calculates and works as
The difference of the sound characteristic and previous frame of this preceding frame time, as the voice characteristics data of surrounding enviroment and the spy of background noise
Levy difference.For example, the background noise on train is although noisy, but come out by many sound mix fine crushing, it sends out at any time
The sound characteristic of exhibition does not change substantially, until attendant compared with loud noise to say " checking tickets ".It is a feature of the present invention that the dress
At this moment sound characteristic that setting can calculate is changed, so ambient sound at this moment is discharged the earphone into user.
Processor calculates threshold value according to regulating command input by user, to determine whether the sound currently monitored belongs to needs
The sound for causing user to pay close attention to.Processor receives regulating command input by user, this regulating command is mainly used for adjusting feature
The threshold value of difference so that can be just released in earphone with the sound of the characteristic difference of background noise to a certain degree.
That is, when the voice characteristics data of surrounding enviroment and the feature difference of background noise are more than the feature difference threshold value
When, judge that voice characteristics data needs are paid close attention to by user, which is delivered to controller；The controller exists
After the voice characteristics data for receiving the surrounding enviroment from the processor, original sound being played on is reduced or directly cut off
Program intercuts the voice characteristics data of current surrounding enviroment in real time.
The present invention can constantly remember user's feature of interest, such as the speech of your boss.In the way of machine learning
The mathematical feature of background noise is automatically analyzed, tells sound deviateing this feature, protruding from background noise automatically, and not
Disconnected study user is to the feedback of sound, the mathematical feature of automatic Memory user sound of interest, when there is the sound next time
User's earphone can intelligently be cut.
(1) absolute silent mode
Under absolute silent mode, extraneous any sound can all be shielded, and will not be discharged into earphone, and such user can be with
Sound programme is appreciated in peace and quiet.For example, under absolute silent mode, anyone cries out user, user to be not easy to hear.
(2) relative quiet pattern
Under relative quiet pattern, the sound for meeting the following conditions is discharged to earphone：
1) when the feature difference of the voice characteristics data of surrounding enviroment and background noise is more than the feature difference threshold value,
Judge that voice characteristics data needs are paid close attention to by user, i.e., the larger unexpected sound needs that user is caused to pay close attention in environment, by this
Voice characteristics data is delivered to controller, discharges to earphone,
2) difference of different nature and the feature of the sound of background noise are recorded, forms knowledge base, and compare
Deposit is marked to knowledge base, when the sound characteristic received meets in knowledge base to sound characteristic in the operation behavior of user
Label when, which is delivered to controller, release to earphone.
For example, under relative quiet pattern, i.e., in the case of quieter, general noise user does not hear, but if there is
People cries out user suddenly, can hear.
The features of the present invention for the moment, understands the feature of constantly analysis background noise, obtains the universals of background noise,
Voice signal for meeting the general feature is shielded as background noise, for obviously not meeting the signal of the background noise,
The significant signal of sound characteristic is discharged into earphone.
Such as street bustling with vehicles, sound very noisy, but sound characteristic is very gentle, always all so noises.If
There is a automobile significantly to honk suddenly, this sound characteristic highly significant, hence it is evident that different from continuing since beginning listening for
Continuous noise about the same.When listening to this situation, just discharge into earphone.
Based on above-mentioned principle, the relative quiet pattern that the present invention is arranged exactly shields sustained background noise,
But sound loud suddenly can be released into.Unless user setting is absolutely silent, then any sound is not discharged into earphone,
If at this time someone cries out user, user to be not easy to hear suddenly certainly.
(3) direct mode operation：
Under direct mode operation, it is adjusted to external environmental sounds and is directly released into earphone, the sound characteristic under this pattern
It can be recorded, constantly difference of different nature and the feature of the sound of background noise are recorded, form knowing for oneself
Know library, and compare the operation behavior of user, sound characteristic is marked.For example, in direct mode operation, user need not pluck
Lower earphone, external sound all come in by release.When boss talks with you, you need not take earphone.If user hears
Just having suspended music when the sound of leader, then the sound characteristic that this scene occurs will be labeled a higher importance,
If same scene occurs repeatedly, system will release the sound when there is this sound characteristic next time with being more sure about
It is put into earphone.
Feature learning memory module is for constantly recording difference of different nature and the feature of the sound of background noise
Come, forms the knowledge base of oneself, and compare the operation behavior of user, sound characteristic is marked.For example, user hears neck
Music is just suspended when the sound led, then the sound characteristic that this scene occurs will be labeled a higher importance, such as
Fruit same scene occurs repeatedly, then system will discharge the sound when there is this sound characteristic next time with being more sure about
Into earphone.Sound channel switch module receives the instruction of control model management, and current environmental sound is exported to controller.
Step S3, controller reduce or direct after the voice characteristics data for receiving the surrounding enviroment from processor
Original sound program being played on is cut off, intercuts the voice characteristics data of current surrounding enviroment in real time.
Specifically, operational order is output to controller when needing sound being discharged into earphone, notification controller will work as
The broadcast sounds of preceding broadcasting are reduced or switched off, and intercut or be mixed into current ambient sound.Sound channel switch module receives control
The instruction of schema management exports current environmental sound to controller.That is, once necessary send out instruction to controller immediately, reduce
Original sound program volume being played on is directly cut off, and the ambient sound of current pickup is intercutted in real time, to cause user to pay close attention to.
User can input regulating command from controller to processor, to adjust the analysis behavior of processor.
Release ambient sound according to the ... of the embodiment of the present invention enters the intelligent apparatus and method of earphone, is picked up by designing installation
Sound device, processor and controller acquire environmental sound signal by the transmission connection relation between three by sound pick-up, by
Processor carries out analyzing and determining the sound differentiated and user is needed to pay close attention in background noise, and if necessary by controller by environment
Sound is discharged into user's earphone.The present invention have it is simple in structure, realize effect it is good, improve user advance in safety spy
Point can adjust the threshold value of feature difference according to instruction input by user, select different operating modes as needed, make
Earphone can be just released to the sound of characteristic difference to the predeterminable level of background noise by obtaining, so that user's concern
Sound is passed to earphone without being shielded, and to avoid several inconvenience in Working Life, the sound that user pays close attention to is passed in time
Earphone is passed, the Experience Degree of user is improved.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example
Point is included at least one embodiment or example of the invention.In the present specification, schematic expression of the above terms are not
Centainly refer to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be any
One or more embodiments or example in can be combined in any suitable manner.
Although the embodiments of the present invention has been shown and described above, it is to be understood that above-described embodiment is example
Property, it is not considered as limiting the invention, those skilled in the art are not departing from the principle of the present invention and objective
In the case of can make changes, modifications, alterations, and variations to the above described embodiments within the scope of the invention.The scope of the present invention
By appended claims and its equivalent limit.
Claims (8)
1. a kind of release ambient sound enters the intelligent apparatus of earphone, which is characterized in that including：For acquiring picking up for ambient sound
Sound device, processor, the controller for adjusting sound output analyzed for the ambient sound to acquisition, wherein described
The output end of sound pick-up is connect with the input terminal of the processor, the processor and the controller two-way communication link, institute
The input termination external played equipment of controller is stated with by external transmission of sound signals to the controller, the controller
Output end is connected to earphone, and the sound after adjusting is exported to earphone, user is played to, wherein
The intelligent apparatus course of work that the release ambient sound enters earphone is as follows：
The voice signal of surrounding enviroment is acquired by sound pick-up, and the voice signal of the surrounding enviroment is sent to the processing
Device；The processor carries out voice signal after the voice signal for receiving the surrounding enviroment acquired from the sound pick-up
Analog-digital conversion AD samplings, generate the voice data of digital signal, are analyzed the voice data and extract sound characteristic
Data continuously calculate background noise signature, constantly calculate the difference of the sound characteristic and previous frame of this current frame time, make
For the voice characteristics data of surrounding enviroment and the feature difference of background noise, and receives regulating command input by user and adjust feature
Discrepancy threshold, when the feature difference of the voice characteristics data of surrounding enviroment and background noise is more than the feature difference threshold value,
Judge that voice characteristics data needs are paid close attention to by user, which is delivered to controller；The controller is connecing
After the voice characteristics data for receiving the surrounding enviroment from the processor, primary sound syllable being played on is reduced or directly cut off
Mesh intercuts the voice characteristics data of current surrounding enviroment in real time.
2. release ambient sound enters the intelligent apparatus of earphone as described in claim 1, which is characterized in that the sound pick-up,
It is connected using wired or wireless way between processor and controller.
3. release ambient sound enters the intelligent apparatus of earphone as described in claim 1, which is characterized in that the controller is adopted
With microcontroller chip.
4. release ambient sound enters the intelligent apparatus of earphone as described in claim 1, which is characterized in that the external played
Equipment is mobile phone, tablet computer or portable multi-function digital multimedia player.
5. release ambient sound according to any one of claims 1-4 enters the intelligent apparatus of earphone, which is characterized in that described
The physical form for the intelligent apparatus that release ambient sound enters earphone includes one of following three kinds：
(1) the release ambient sound enters the intelligent apparatus of earphone and earphone is integrated into a whole equipment；
(2) the release ambient sound enters the intelligent apparatus of earphone and external played equipment is integrated into a whole equipment；
(3) intelligent apparatus that the release ambient sound enters earphone is independently arranged.
6. release ambient sound enters the intelligent apparatus of earphone as described in claim 1, which is characterized in that
The user passes through the controller and inputs regulating command, wherein the regulating command includes：
(1) absolute silent mode
Under absolute silent mode, extraneous any sound can all be shielded, and earphone will not be discharged into；
(2) relative quiet pattern
Under relative quiet pattern, the sound for meeting the following conditions is discharged to earphone：
1) when the feature difference of the voice characteristics data of surrounding enviroment and background noise is more than the feature difference threshold value, judge
Voice characteristics data needs are paid close attention to by user, i.e., the larger unexpected sound needs that user is caused to pay close attention in environment, by the sound
Characteristic is delivered to controller, discharges to earphone,
2) feature of the sound of different nature for being different from background noise is recorded, forms knowledge base, and compare user
Operation behavior, to sound characteristic be marked deposit to knowledge base, when the sound characteristic received meets the mark in knowledge base
It clocks, which is delivered to controller, release to earphone；
(3) direct mode operation：
It under direct mode operation, is adjusted to external environmental sounds and is directly released into earphone, the sound characteristic under this pattern can quilt
It records, constantly difference of different nature and the feature of the sound of background noise is recorded, form the knowledge base of oneself,
And the operation behavior for compareing user, is marked sound characteristic.
7. a kind of release ambient sound enters the intelligent method of earphone, which is characterized in that include the following steps：
Step S1, the voice signal of surrounding enviroment is acquired by sound pick-up, and the voice signal of the surrounding enviroment is sent to institute
State processor；
Step S2, the processor is after the voice signal for receiving the surrounding enviroment acquired from the sound pick-up, to sound
Signal carries out analog-digital conversion AD samplings, generates the voice data of digital signal, which is analyzed and extracted
Voice characteristics data continuously calculates background noise signature, constantly calculates the sound characteristic and previous frame of this current frame time
Difference, as the voice characteristics data of surrounding enviroment and the feature difference of background noise, and receive it is input by user adjusting refer to
It enables and adjusts feature difference threshold value, when the voice characteristics data of surrounding enviroment and the feature difference of background noise are more than that the feature is poor
When different threshold value, judges that voice characteristics data needs are paid close attention to by user, which is delivered to controller；Step
S3, the controller are reduced or are directly cut off after the voice characteristics data for receiving the surrounding enviroment from the processor
Original sound program being played on, intercuts the voice characteristics data of current surrounding enviroment in real time.
8. release ambient sound enters the intelligent method of earphone as claimed in claim 7, which is characterized in that in the step S2
In, the user passes through the controller and inputs regulating command, wherein the regulating command includes：
(1) absolute silent mode
Under absolute silent mode, extraneous any sound can all be shielded, and earphone will not be discharged into；
(2) relative quiet pattern
The sound for meeting the following conditions is discharged to earphone：
1) when the feature difference of the voice characteristics data of surrounding enviroment and background noise is more than the feature difference threshold value, judge
Voice characteristics data needs are paid close attention to by user, i.e., the larger unexpected sound needs that user is caused to pay close attention in environment, by the sound
Characteristic is delivered to controller, discharges to earphone,
2) difference of different nature and the feature of the sound of background noise are recorded, forms knowledge base, and compare user
Operation behavior, to sound characteristic be marked deposit to knowledge base, when the sound characteristic received meets the mark in knowledge base
It clocks, which is delivered to controller, release to earphone；
(3) direct mode operation：
It under direct mode operation, is adjusted to external environmental sounds and is directly released into earphone, the sound characteristic under this pattern can quilt
It records, constantly difference of different nature and the feature of the sound of background noise is recorded, form the knowledge base of oneself,
And the operation behavior for compareing user, is marked sound characteristic.
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