CN107333196A - Conversion equipment and ear speaker device - Google Patents
Conversion equipment and ear speaker device Download PDFInfo
- Publication number
- CN107333196A CN107333196A CN201610285306.5A CN201610285306A CN107333196A CN 107333196 A CN107333196 A CN 107333196A CN 201610285306 A CN201610285306 A CN 201610285306A CN 107333196 A CN107333196 A CN 107333196A
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- China
- Prior art keywords
- noise signal
- module
- noise
- coffret
- input
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- 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
- H04R1/1083—Reduction of ambient noise
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2460/00—Details of hearing devices, i.e. of ear- or headphones covered by H04R1/10 or H04R5/033 but not provided for in any of their subgroups, or of hearing aids covered by H04R25/00 but not provided for in any of its subgroups
- H04R2460/01—Hearing devices using active noise cancellation
Abstract
The disclosure is directed to a kind of conversion equipment and ear speaker device, belong to field of terminal technology.Conversion equipment includes：Housing and the first coffret and the second coffret for being arranged at housing two ends, enclosure interior are provided with noise signal acquisition module, D/A converter module and noise reduction module；The input of first coffret is connected with audio output apparatus, and the output end of the first coffret is connected with the first input end of noise reduction module；The output end of noise signal acquisition module is connected with the second input of noise reduction module；The output end of noise reduction module is connected with the input of D/A converter module, and the output end of D/A converter module is connected with the input of the second coffret.The disclosure passes through noise reduction module, the noise signal collected from noise signal acquisition module is processed as inverse noise signal, when inverse noise signal by ear speaker device is passed to human ear, offseted after being superimposed with the noise signal of incoming human ear, so as to reach the purpose of reduction noise.
Description
Technical field
This disclosure relates to field of terminal technology, more particularly to a kind of conversion equipment and ear speaker device.
Background technology
In the modern life, increasing user begins to use ear speaker device to listen song or call.Listening
During singing or receiving calls, user wants to reduce the interference of ambient noise as far as possible.In the market
The In-Ear Headphones sold can completely cut off to fall component environment noise because closer with human ear coupling ratio, but
For the ambient noise of some low frequencies, it can not but play a part of isolation.Therefore, in order to improve listening for user
Feel experience, need a kind of equipment that can reduce ambient noise very well badly.
The content of the invention
The disclosure provides a kind of conversion equipment and ear speaker device.
According to the first aspect of the embodiment of the present disclosure there is provided a kind of conversion equipment, the conversion equipment includes：
Housing；
One end of the housing is provided with the first coffret, and the other end of the housing is provided with the second transmission
Interface, the enclosure interior is provided with noise signal acquisition module, D/A converter module and noise reduction module；
Wherein, the input of first coffret is connected with audio output apparatus, and first transmission connects
The output end of mouth is connected with the first input end of the noise reduction module；
The output end of the noise signal acquisition module is connected with the second input of the noise reduction module；
The output end of the noise reduction module is connected with the input of the D/A converter module, the digital-to-analogue conversion
The output end of module is connected with the input of second coffret；
The noise signal collected from the noise signal acquisition module is handled by the noise reduction module obtains anti-
To noise signal, the inverse noise signal is superimposed with the noise signal of incoming human ear, can reduce noise.
Alternatively, the noise signal acquisition module is digital microphone.
Alternatively, first coffret is plug.
Alternatively, a diameter of 3.5 millimeters of the plug.
Alternatively, second coffret is jack.
Alternatively, a diameter of 3.5 millimeters of the jack.
According to the second aspect of the embodiment of the present disclosure there is provided a kind of ear speaker device, the ear speaker device includes：
Connector, data wire and receiver, the connector are connected with the receiver by the data wire；
The connector is internally provided with coffret, noise signal acquisition module, D/A converter module and drop
Make an uproar module；
The input of the coffret is connected with audio output apparatus, the output end of the coffret and institute
The first input end for stating noise reduction module is connected；
The output end of the noise signal acquisition module is connected with the second input of the noise reduction module；
The output end of the noise reduction module is connected with the input of the D/A converter module, the digital-to-analogue conversion
The output end of module is connected by the data wire with the receiver；
The noise signal collected from the noise signal acquisition module is handled by the noise reduction module obtains anti-
To noise signal, the inverse noise signal is superimposed with the noise signal of incoming human ear, can reduce noise.
Alternatively, the noise signal acquisition module is digital microphone.
Alternatively, the coffret is plug.
Alternatively, a diameter of 3.5 millimeters of the plug.
The technical scheme provided by this disclosed embodiment can include the following benefits：
By noise reduction module, the noise signal collected from noise signal acquisition module is processed as inverse noise
Signal, when inverse noise signal by ear speaker device is passed to human ear, noise signal that can be with incoming human ear
Offseted after superposition, so as to reach the purpose of reduction noise.
It should be appreciated that the general description of the above and detailed description hereinafter are only exemplary and explanatory,
The disclosure can not be limited.
Brief description of the drawings
Accompanying drawing herein is merged in specification and constitutes the part of this specification, shows and meets the disclosure
Embodiment, and be used to together with specification to explain the principle of the disclosure.
Fig. 1 is a kind of structural representation of conversion equipment according to an exemplary embodiment.
Fig. 2 is a kind of structural representation of ear speaker device according to an exemplary embodiment.
Wherein, the mark in accompanying drawing 1 for：1st, housing；11st, the first coffret；12nd, noise signal is adopted
Collect module；13rd, noise reduction module；14th, D/A converter module；15th, the second coffret；
Mark in accompanying drawing 2 for：2nd, connector；3rd, data wire；4th, receiver；21st, coffret；22、
Noise Acquisition module；23rd, noise reduction module；24th, D/A converter module.
Embodiment
Here exemplary embodiment will be illustrated in detail, its example is illustrated in the accompanying drawings.Following retouches
State when being related to accompanying drawing, unless otherwise indicated, the same numbers in different accompanying drawings represent same or analogous key element.
Embodiment described in following exemplary embodiment does not represent all embodiment party consistent with the disclosure
Formula.On the contrary, they be only be described in detail in such as appended claims, disclosure some in terms of phase one
The example of the apparatus and method of cause.
In order to reduce ambient noise, the embodiment of the present disclosure provides a kind of conversion equipment, referring to Fig. 1, the conversion
Equipment includes：Housing 1.One end of the housing 1 is provided with the first coffret 11, and the other end is provided with
Two coffrets 15, housing 1 be internally provided with noise signal acquisition module 12, noise reduction module 13 and number
Mould modular converter 14.Two inputs and an output end, two inputs are provided with the noise reduction module 13
Respectively first input end and the second input.
Wherein, the input of the first coffret 11 is connected with audio output apparatus, output end and noise reduction module
13 first input end is connected, and first coffret 11 is used for the audio letter for receiving audio output apparatus output
Number, and by the audio signal transmission received to noise reduction module 13.
The output end of noise signal acquisition module 12 is connected with the second input of noise reduction module 13, the noise
Signal acquisition module 12 is used to gathering the noise signal of surrounding environment, and by the noise signal collected send to
Noise reduction module 13.
The output end of noise reduction module 13 is connected with D/A converter module 14, and the noise reduction module 13 is used to receive the
The noise signal that the audio signal and noise signal acquisition module 12 of one coffret 11 transmission are sent, and will
Noise signal is processed into inverse noise signal, and then inverse noise signal is synthesized to the left and right sound of audio signal
In road.The amplitude of the inverse noise signal is identical with the amplitude of noise signal, the phase of phase and noise signal
Conversely.
The output end of D/A converter module 14 is connected with the input of the second coffret 15, the digital-to-analogue conversion
Module 14 is used to carry out digital-to-analogue conversion to the signal received, and the signal after digital-to-analogue conversion is transmitted to second
Coffret 15.
The output end of second coffret 15 can be connected with ear speaker device, and second coffret 15 is used for
The audio signal and inverse noise signal that audio output apparatus is exported are transmitted to ear speaker device.
In one embodiment of the disclosure, the first coffret 11 can be a plug, or one
Individual USB (Universal Serial Bus, USB) interface.When the first coffret 11 is slotting
During head, the diameter of the plug can be 3.5mm, or 2.5 millimeters, 6.35 millimeters etc..When first
When coffret is USB interface, the USB interface can be that TypeC USB interfaces or micro USB connect
Mouthful.
In another embodiment of the disclosure, the second coffret 15 can be jack, can be one
USB port.When the second coffret 15 is plug hole, the diameter of the jack can be 3.5mm, can also
For 2.5 millimeters, 6.35 millimeters etc..When the second coffret is USB interface, the USB interface can be with
For TypeC USB interfaces or micro USB interfaces.
In another disclosed the present embodiment, noise signal acquisition module 12 can be digital microphone.Should
Digital microphone can not only gather the noise signal of surrounding environment, can also be by the noise signal collected by mould
Intend signal and change into data signal.By the way that noise signal is converted into analog signal, it is to avoid noise signal mistake
Very.
In another embodiment of the disclosure, noise reduction module 13 can be a core for being integrated with decrease of noise functions
Piece.
In another embodiment of the disclosure, when the first coffret 11 is USB interface, the second transmission connects
Mouthfuls 15 when being jack, D/A converter module 13 can for audio DAC (Digital to Analog Converter,
Digital analog converter), the signal that can transmit noise reduction module 13 is converted to analog signal.When the first transmission
Interface 11 is plug, and when the second coffret 15 is USB interface, D/A converter module 14 can also be sound
Frequency ADC (Analog-to-digital converter, analog-digital converter), can transmit noise reduction module 13
Signal be converted to data signal.
To enable noise signal acquisition module 12, noise reduction module 13 and the normal work of D/A converter module 14,
First coffret 11 can also obtain direct current energy from audio output apparatus, and based on the direct current got
Can, it is that noise signal acquisition module 12, noise reduction module 13 and D/A converter module 14 are powered.
In specific application, the operation principle of the conversion equipment is as follows：
After conversion equipment is connected by the first coffret 11 with audio output apparatus, the first coffret 11
The audio signal of audio input device output is received, and audio signal is sent to noise reduction module.Noise signal
Acquisition module 12 gathers the noise signal of surrounding environment in real time, and the noise signal collected is sent to noise reduction
Module 13, noise reduction module 13 is handled noise signal, obtains inverse noise signal, and then will reversely make an uproar
Acoustical signal is synthesized in the left and right acoustic channels of audio signal, and composite signal is transmitted to D/A converter module 14.
D/A converter module 14 to composite signal carry out digital-to-analogue conversion, and by the composite signal after digital-to-analogue conversion transmit to
Second coffret, is transmitted to ear speaker device by the second coffret.User hears sound by ear speaker device
Frequency signal, inverse noise signal, and the noise signal of surrounding environment is received, inverse noise is believed in human ear
Offset after number being superimposed with noise signal, be only left audio signal, so as to reach the purpose of reduction ambient noise.
The conversion equipment that the embodiment of the present disclosure is provided, by noise reduction module, will be adopted from noise signal acquisition module
The noise signal collected is processed as inverse noise signal, when inverse noise signal by ear speaker device is passed to people
Ear, is offseted after being superimposed with the noise signal of incoming human ear, so as to reach the purpose of reduction noise.
In order to reduce noise signal, the embodiment of the present disclosure provides a kind of ear speaker device, referring to Fig. 2, the earphone
Equipment includes：Connector 2, data wire 3 and receiver 4, connector 2 are connected with receiver 4 by data wire 3.
In order to meet the sense of hearing demand of user, the quantity of receiver 4 is generally two, and a receiver is used for playing left sound
Audio channel signal, another receiver is used for playing right channel audio signal.
In the present embodiment, connector 2 be internally provided with coffret 21, noise signal acquisition module 22,
Noise reduction module 23, D/A converter module 24.The noise reduction module 23 is provided with two inputs and an output
End, two inputs are respectively first input end and the second input.
Wherein, the input of coffret 21 is connected with audio output apparatus, output end and noise reduction module 23
First input end be connected, the coffret 21 be used for receive audio output apparatus output audio signal, and
By the audio signal transmission received to noise reduction module 23.
The output end of noise signal acquisition module 22 is connected with the second input of noise reduction module 23, the noise
Signal acquisition module 22 is used to gathering the noise signal of surrounding environment, and by the noise signal collected send to
Noise reduction module 23.
The output end of noise reduction module 23 is connected with D/A converter module 24, and the noise reduction module 23, which is used to receive, to be passed
The noise signal that the audio signal and noise signal acquisition module 22 that defeated interface 21 is transmitted are sent, and by noise
Signal transacting is synthesized in the left and right acoustic channels of audio signal into inverse noise signal, and then by inverse noise signal.
The amplitude of the inverse noise signal is identical with the amplitude of noise signal, the opposite in phase of phase and noise signal.
The output end of D/A converter module 24 is connected by data wire 3 with receiver 4, for the letter to receiving
Number carry out digital-to-analogue conversion.
In one embodiment of the disclosure, coffret 11 can be a plug, or one
USB interface.When coffret 11 is plug, the diameter of the plug can be 3.5mm, or
2.5 millimeters, 6.35 millimeters etc..When coffret is USB interface, the USB interface can be TypeC
USB interface or micro USB interfaces.
In another embodiment of the disclosure, noise reduction module 23 can be a core for being integrated with decrease of noise functions
Piece.
In another embodiment of the disclosure, D/A converter module 24 is audio DAC (Digital to
Analog Converter, digital analog converter), the signal that can transmit noise reduction module 23 is converted to simulation
Signal.
In specific application, the operation principle of the ear speaker device is as follows：
After ear speaker device is connected by coffret 21 with audio output apparatus, coffret 21 receives sound
The audio signal of frequency input equipment output, and audio signal is sent to noise reduction module 23.Noise signal is gathered
Module 22 gathers the noise signal of surrounding environment in real time, and the noise signal collected is sent to noise reduction module
23, noise reduction module 23 is handled noise signal, obtains inverse noise signal, and then inverse noise is believed
Number it is synthesized in the left and right acoustic channels of audio signal, and composite signal is transmitted to D/A converter module 14.Digital-to-analogue
Modular converter 24 carries out digital-to-analogue conversion to composite signal, and by data wire by the composite signal after digital-to-analogue conversion
Transmit to receiver.User hears audio signal, inverse noise signal by receiver, and receives ring around
The noise signal in border, offsets after inverse noise signal is superimposed with noise signal in human ear, is only left audio letter
Number, so as to reach the purpose of reduction ambient noise.
The ear speaker device that the embodiment of the present disclosure is provided, by noise reduction module, will be adopted from noise signal acquisition module
The noise signal collected is processed as inverse noise signal, when inverse noise signal by ear speaker device is passed to people
Ear, is offseted after being superimposed with the noise signal of incoming human ear, so as to reach the purpose of reduction noise.
Those skilled in the art will readily occur to this public affairs after considering specification and putting into practice disclosure disclosed herein
The other embodiments opened.The application is intended to any modification, purposes or the adaptations of the disclosure,
These modifications, purposes or adaptations follow the general principle of the disclosure and undisclosed including the disclosure
Common knowledge or conventional techniques in the art.Description and embodiments are considered only as exemplary
, the true scope and spirit of the disclosure are pointed out by following claim.
It should be appreciated that the accurate knot that the disclosure is not limited to be described above and is shown in the drawings
Structure, and various modifications and changes can be being carried out without departing from the scope.The scope of the present disclosure is only by appended
Claim is limited.
Claims (10)
1. a kind of conversion equipment, it is characterised in that the conversion equipment includes：
Housing；
One end of the housing is provided with the first coffret, and the other end of the housing is provided with the second transmission
Interface, the enclosure interior is provided with noise signal acquisition module, D/A converter module and noise reduction module；
Wherein, the input of first coffret is connected with audio output apparatus, and first transmission connects
The output end of mouth is connected with the first input end of the noise reduction module；
The output end of the noise signal acquisition module is connected with the second input of the noise reduction module；
The output end of the noise reduction module is connected with the input of the D/A converter module, the digital-to-analogue conversion
The output end of module is connected with the input of second coffret；
The noise signal collected from the noise signal acquisition module is handled by the noise reduction module obtains anti-
To noise signal, the inverse noise signal is superimposed with the noise signal of incoming human ear, can reduce noise.
2. conversion equipment according to claim 1, it is characterised in that the noise signal acquisition module
For digital microphone.
3. conversion equipment according to claim 1, it is characterised in that first coffret is slotting
Head.
4. conversion equipment according to claim 3, it is characterised in that a diameter of the 3.5 of the plug
Millimeter.
5. conversion equipment according to claim 1, it is characterised in that second coffret is slotting
Hole.
6. conversion equipment according to claim 5, it is characterised in that a diameter of the 3.5 of the jack
Millimeter.
7. a kind of ear speaker device, it is characterised in that the ear speaker device includes：Connector, data wire and listen
Cylinder, the connector is connected with the receiver by the data wire；
The connector is internally provided with coffret, noise signal acquisition module, D/A converter module and drop
Make an uproar module；
The input of the coffret is connected with audio output apparatus, the output end of the coffret and institute
The first input end for stating noise reduction module is connected；
The output end of the noise signal acquisition module is connected with the second input of the noise reduction module；
The output end of the noise reduction module is connected with the input of the D/A converter module, the digital-to-analogue conversion
The output end of module is connected by the data wire with the receiver；
The noise signal collected from the noise signal acquisition module is handled by the noise reduction module obtains anti-
To noise signal, the inverse noise signal is superimposed with the noise signal of incoming human ear, can reduce noise.
8. ear speaker device according to claim 7, it is characterised in that the noise signal acquisition module
For digital microphone.
9. ear speaker device according to claim 7, it is characterised in that the coffret is plug.
10. ear speaker device according to claim 9, it is characterised in that a diameter of the 3.5 of the plug
Millimeter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610285306.5A CN107333196A (en) | 2016-04-29 | 2016-04-29 | Conversion equipment and ear speaker device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610285306.5A CN107333196A (en) | 2016-04-29 | 2016-04-29 | Conversion equipment and ear speaker device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107333196A true CN107333196A (en) | 2017-11-07 |
Family
ID=60192392
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610285306.5A Pending CN107333196A (en) | 2016-04-29 | 2016-04-29 | Conversion equipment and ear speaker device |
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|---|---|---|---|---|
| JP2007028354A (en) * | 2005-07-20 | 2007-02-01 | Audio Technica Corp | Noise canceling headphones |
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| CN102158778A (en) * | 2011-03-11 | 2011-08-17 | 青岛海信移动通信技术股份有限公司 | Method, equipment and system for reducing headset noise |
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| CN103686502A (en) * | 2012-09-05 | 2014-03-26 | 深圳市凯聚源科技有限公司 | 5.1 sound track Bluetooth noise cancelling headset |
| CN104602162A (en) * | 2014-12-17 | 2015-05-06 | 惠州Tcl移动通信有限公司 | External noise reduction device for mobile terminal and noise reduction method of external noise reduction device |
| CN105120389A (en) * | 2015-08-17 | 2015-12-02 | 惠州Tcl移动通信有限公司 | A method and earphone for carrying out noise reduction processing according to scenes |
| CN105228044A (en) * | 2015-09-28 | 2016-01-06 | 惠州Tcl移动通信有限公司 | A kind of harmless tonequality earphone |
-
2016
- 2016-04-29 CN CN201610285306.5A patent/CN107333196A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007028354A (en) * | 2005-07-20 | 2007-02-01 | Audio Technica Corp | Noise canceling headphones |
| CN201054780Y (en) * | 2007-06-05 | 2008-04-30 | 炬力集成电路设计有限公司 | Automatic noise reduction earphone |
| CN102158778A (en) * | 2011-03-11 | 2011-08-17 | 青岛海信移动通信技术股份有限公司 | Method, equipment and system for reducing headset noise |
| CN102238452A (en) * | 2011-05-05 | 2011-11-09 | 安百特半导体有限公司 | Method for actively resisting noises in hands-free earphone and hands-free earphone |
| CN103686502A (en) * | 2012-09-05 | 2014-03-26 | 深圳市凯聚源科技有限公司 | 5.1 sound track Bluetooth noise cancelling headset |
| CN104602162A (en) * | 2014-12-17 | 2015-05-06 | 惠州Tcl移动通信有限公司 | External noise reduction device for mobile terminal and noise reduction method of external noise reduction device |
| CN105120389A (en) * | 2015-08-17 | 2015-12-02 | 惠州Tcl移动通信有限公司 | A method and earphone for carrying out noise reduction processing according to scenes |
| CN105228044A (en) * | 2015-09-28 | 2016-01-06 | 惠州Tcl移动通信有限公司 | A kind of harmless tonequality earphone |
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Application publication date: 20171107 |