CN107302731A - A kind of earphone and its noise-reduction method based on osteoacusis - Google Patents
A kind of earphone and its noise-reduction method based on osteoacusis Download PDFInfo
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- CN107302731A CN107302731A CN201710697820.4A CN201710697820A CN107302731A CN 107302731 A CN107302731 A CN 107302731A CN 201710697820 A CN201710697820 A CN 201710697820A CN 107302731 A CN107302731 A CN 107302731A
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- osteoacusis
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- earphone
- digital signal
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- 238000000034 method Methods 0.000 title claims abstract description 20
- 230000005236 sound signal Effects 0.000 claims abstract description 3
- 210000000988 bone and bone Anatomy 0.000 claims description 6
- 230000008569 process Effects 0.000 claims description 4
- 238000006243 chemical reaction Methods 0.000 claims description 3
- 238000001914 filtration Methods 0.000 claims 2
- 208000027418 Wounds and injury Diseases 0.000 description 2
- 210000004556 brain Anatomy 0.000 description 2
- 210000000860 cochlear nerve Anatomy 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 238000005070 sampling Methods 0.000 description 2
- 208000035126 Facies Diseases 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000000739 chaotic effect Effects 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 239000000686 essence Substances 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000036651 mood Effects 0.000 description 1
- 210000005036 nerve Anatomy 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
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
-
- 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
- H04R2460/13—Hearing devices using bone conduction transducers
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Soundproofing, Sound Blocking, And Sound Damping (AREA)
Abstract
The invention provides a kind of earphone based on osteoacusis, it includes the duplexing oscillator of osteoacusis and digital signal processor, the duplexing oscillator of the osteoacusis, the first resonance end including the noise for gathering the external world and the second resonance end for exports audio signal to human ear, the digital signal processor, for handling the outside noise that the first resonance end is collected, and one is exported with the vibration signal of the outside noise opposite in phase to the second resonance end.The earphone based on osteoacusis of the present invention can eliminate the noise jamming in the external world.The present invention also provides a kind of noise-reduction method of the earphone based on osteoacusis.
Description
Technical field
The present invention relates to earphone field, more particularly to a kind of earphone and its noise-reduction method based on osteoacusis.
Background technology
As social progress, the development of science and technology to us while more comfortable life is brought, us have also been brought
Undying noise, noise is also increasingly protruded for the influence of people, particularly when beautiful music is enjoyed, noise it is dry
Disturbing can allow people's mood unhappy often, or even people can be allowed to become more irritated.Noise refers to that pitch and loudness of a sound change are chaotic, listened
Carry out disharmonic sound, produced by the irregular vibration of sounding body（It is different from " musical sound "）.
Also occur in that the product for being conducted by gas and solving problems on the market now, although have certain effect, still
Or it is not ideal.Therefore, how to develop design a kind of can allow people no matter can pacify under what noisy environment
The quiet equipment for enjoying beautiful music, has become one and can not be ignored and technical barrier urgently to be resolved hurrily.
The content of the invention
It is an object of the invention to provide a kind of earphone and its noise-reduction method based on osteoacusis, so as to realize that elimination is extraneous
Noise jamming, allow people no matter quiet can enjoy beautiful music under what noisy environment.
There is provided a kind of earphone based on osteoacusis in the embodiment of the present invention, it includes the duplexing oscillator of osteoacusis and numeral
Signal processor,
The duplexing oscillator of the osteoacusis, including the first resonance end for the noise that gathers the external world and for exports audio signal to
Second resonance end of human ear,
The digital signal processor, for handling the outside noise that the first resonance end is collected, and exports one
The individual vibration signal with the outside noise opposite in phase gives the second resonance end.
In the embodiment of the present invention, the earphone based on osteoacusis also include being arranged at the duplexing oscillator of the osteoacusis and
AD converter between the digital signal processor, the outside noise for the first resonance end to be collected is converted into number
Word signal is simultaneously sent to the digital signal processor.
In the embodiment of the present invention, the earphone based on osteoacusis also include being arranged at the duplexing oscillator of the osteoacusis and
D/A converter between the digital signal processor, for the anti-phase vibration signal for exporting the digital signal processor
It is converted into analog signal and is sent to the second resonance end.
In the embodiment of the present invention, the digital signal processor includes filter unit and rp unit, the filter unit
Noise is filtered to external world, and the rp unit is used to produce a signal opposite with filtered noise phase.
In the embodiment of the present invention, the first resonance end is arranged on one away from otica on the duplexing oscillator of the osteoacusis
End, the second resonance end is arranged on one end that otica is contacted on the duplexing oscillator of the osteoacusis.
In the embodiment of the present invention, a kind of noise-reduction method of the earphone based on osteoacusis is additionally provided, it includes
Noise Acquisition step：The extraneous noise of osteoacusis duplex oscillator collection；
Signal transacting step：Noise is handled digital signal processor to external world, and exports one and the outside noise phase
The opposite vibration signal in position gives osteoacusis duplexing oscillator.
In the embodiment of the present invention, the noise-reduction method of the earphone based on osteoacusis also includes
AD conversion step：The outside noise that the duplexing oscillator of the osteoacusis is collected is converted into data signal and is sent to described
Digital signal processor.
In the embodiment of the present invention, the noise-reduction method of the earphone based on osteoacusis also includes
DA switch process：The anti-phase vibration signal that the digital signal processor is exported is converted into analog signal and is sent to
Osteoacusis duplex oscillator.
In the embodiment of the present invention, the signal transacting step further comprises
Filter step：Noise is filtered to external world；
Phase inverting step：Produce a signal opposite with filtered noise phase.
Compared with prior art, the present invention uses osteoacusis mode, and directly by the vibration of oscillator, voice signal is passed
Brain centres nerve is delivered to, the loudspeaker that traditional gas conduction needs are eliminated, and people can be allowed to feel by way of osteoacusis
Feel more real sound, using bone conduction technology, sound wave directly reaches auditory nerve by bone, it also avoid listening human ear
Power produces injury；In addition, the vibration source of osteoacusis is a duplexing oscillator, the oscillator can either export vibration signal, again can
Gather outside noise signal；The microphone that traditional noise reduction needs to be used for sampling is eliminated, and is believed by the noise of vibration acquisition
It is number more true, allow people can in noisy environment can it is quiet, feel at ease, safety go enjoy truer, purer sense of hearing body
Test.
Brief description of the drawings
Fig. 1 is the structural representation of the earphone based on osteoacusis of the present invention.
Fig. 2 is the flow chart of the earphone noise-reduction method based on osteoacusis of the present invention.
Fig. 3 is the flow chart of the signal transacting step in Fig. 2.
Embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, it is right below in conjunction with drawings and Examples
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.
The realization of the present invention is described in detail below in conjunction with specific embodiment,
As shown in figure 1, there is provided a kind of earphone based on osteoacusis in the embodiment of the present invention, it includes the duplexing oscillator of osteoacusis
10th, digital signal processor 20, AD converter 30 and D/A converter 40.It is specifically described below.
The duplexing oscillator 10 of the osteoacusis, including for gathering the first resonance end 11 of extraneous noise and for exporting sound
Second resonance end 12 of the frequency signal to human ear.The first resonance end 11 is arranged on the duplexing oscillator 10 of the osteoacusis away from ear
One end of bone, the second resonance end 12 is arranged on one end that otica is contacted on the duplexing oscillator 10 of the osteoacusis.
The digital signal processor 20, for handling the outside noise that the first resonance end 11 is collected,
And one is exported with the vibration signal of the outside noise opposite in phase to the second resonance end 12.The Digital Signal Processing
Device 20 includes filter unit and rp unit, and the filter unit is used to be filtered the outside noise collected, described anti-
Facies unit is used to produce a signal opposite with filtered noise phase.
The AD converter 30, is arranged between the duplexing oscillator 10 of the osteoacusis and the digital signal processor 20,
Outside noise for the first resonance end 11 to be collected is converted into data signal and is sent to the Digital Signal Processing
Device 20.
The D/A converter 40, is arranged between the duplexing oscillator of the osteoacusis and the digital signal processor, is used for
The signal opposite with noise phase that the digital signal processor is exported is converted into analog signal and is sent to described second
Resonance end.
As shown in Fig. 2 in the embodiment of the present invention, additionally providing a kind of earphone noise-reduction method based on osteoacusis, it includes
Step S1-S4, is specifically described below.
Step S1, Noise Acquisition step：The extraneous noise of osteoacusis duplex oscillator collection.
Step S2, AD conversion step：The outside noise that the duplexing oscillator of the osteoacusis is collected is converted into data signal
And it is sent to the digital signal processor.
Step S3, signal transacting step：Noise is handled digital signal processor to external world, and export one with it is described
The vibration signal of outside noise opposite in phase gives osteoacusis duplexing oscillator.
As shown in Figure 3：In step S3, the signal transacting step further comprises：
Step S31, filter step：Noise is filtered to external world；
Step S32, phase inverting step：Produce a signal opposite with filtered noise phase.
Step S4, DA switch process：The anti-phase vibration signal that the digital signal processor is exported is converted into simulation letter
Number and be sent to the duplexing oscillator of osteoacusis.
It should be noted that in the above-mentioned earphone noise-reduction method based on osteoacusis, information exchange, execution between each step
The contents such as process, due to the above-mentioned earphone based on osteoacusis be based on same design, its technique effect brought with it is above-mentioned
Earphone based on osteoacusis is identical, and particular content can be found in the related narration of the above-mentioned earphone based on osteoacusis, no longer go to live in the household of one's in-laws on getting married herein
State.
In summary, the present invention uses osteoacusis mode, and directly by the vibration of oscillator, voice signal is delivered into brain
Nervous centralis, eliminates the loudspeaker that traditional gas conduction needs, and people can be allowed to feel more by way of osteoacusis
Real sound, using bone conduction technology, sound wave directly reaches auditory nerve by bone, it also avoid producing wound to human ear hearing
Evil；In addition, the vibration source of osteoacusis is a duplexing oscillator, the oscillator can either export vibration signal, the external world can be gathered again
Noise signal；The microphone that traditional noise reduction needs to be used for sampling is eliminated, and it is trueer by the noise signal of vibration acquisition
It is real, allow people can in noisy environment can it is quiet, feel at ease, safety go enjoy truer, purer audio experience.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
Any modifications, equivalent substitutions and improvements made within refreshing and principle etc., should be included in the scope of the protection.
Claims (9)
1. a kind of earphone based on osteoacusis, it is characterised in that including the duplexing oscillator of osteoacusis and digital signal processor,
The duplexing oscillator of the osteoacusis, including the first resonance end for the noise that gathers the external world and for exports audio signal to
Second resonance end of human ear,
The digital signal processor, for handling the outside noise that the first resonance end is collected, and exports one
The individual vibration signal with the outside noise opposite in phase gives the second resonance end.
2. the earphone as claimed in claim 1 based on osteoacusis, it is characterised in that also including being arranged at the osteoacusis duplex
AD converter between oscillator and the digital signal processor, the outside noise for the first resonance end to be collected turns
Turn to data signal and be sent to the digital signal processor.
3. the earphone as claimed in claim 1 based on osteoacusis, it is characterised in that also including being arranged at the osteoacusis duplex
D/A converter between oscillator and the digital signal processor, anti-phase shakes for export the digital signal processor
Dynamic signal is converted into analog signal and is sent to the second resonance end.
4. the earphone as claimed in claim 1 based on osteoacusis, it is characterised in that the digital signal processor includes filtering
Unit and rp unit, noise is filtered the filter unit to external world, and the rp unit is used to produce one and filtering
The opposite signal of rear noise phase.
5. the earphone as claimed in claim 1 based on osteoacusis, it is characterised in that the first resonance end is arranged on the bone
One end away from otica on the duplexing oscillator of conduction, the second resonance end is arranged on the duplexing oscillator of the osteoacusis and contacts otica
One end.
6. a kind of noise-reduction method of the earphone based on osteoacusis, it is characterised in that including
Noise Acquisition step：The extraneous noise of osteoacusis duplex oscillator collection；
Signal transacting step：Noise is handled digital signal processor to external world, and exports one and the outside noise phase
The opposite vibration signal in position gives osteoacusis duplexing oscillator.
7. the noise-reduction method of the earphone as claimed in claim 6 based on osteoacusis, it is characterised in that also include
AD conversion step：The outside noise that the duplexing oscillator of the osteoacusis is collected is converted into data signal and is sent to described
Digital signal processor.
8. the noise-reduction method of the earphone as claimed in claim 6 based on osteoacusis, it is characterised in that also include
DA switch process：The anti-phase vibration signal that the digital signal processor is exported is converted into analog signal and is sent to
Osteoacusis duplex oscillator.
9. the noise-reduction method of the earphone as claimed in claim 6 based on osteoacusis, it is characterised in that the signal transacting step
Suddenly further comprise
Filter step：Noise is filtered to external world；
Phase inverting step：Produce a signal opposite with filtered noise phase.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710697820.4A CN107302731A (en) | 2017-08-15 | 2017-08-15 | A kind of earphone and its noise-reduction method based on osteoacusis |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710697820.4A CN107302731A (en) | 2017-08-15 | 2017-08-15 | A kind of earphone and its noise-reduction method based on osteoacusis |
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| CN107302731A true CN107302731A (en) | 2017-10-27 |
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| CN201710697820.4A Pending CN107302731A (en) | 2017-08-15 | 2017-08-15 | A kind of earphone and its noise-reduction method based on osteoacusis |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109949790A (en) * | 2019-03-13 | 2019-06-28 | 姚天扬 | Active noise reduction system in feed forward type room |
| CN110225430A (en) * | 2019-06-12 | 2019-09-10 | 付金龙 | A kind of noise reduction osteoacusis headset and its noise-reduction method |
| CN112400326A (en) * | 2019-06-11 | 2021-02-23 | 深圳市汇顶科技股份有限公司 | Bone conduction acoustic signal processing method, device, chip, earphone and storage medium |
| CN114095826A (en) * | 2021-11-23 | 2022-02-25 | 歌尔科技有限公司 | Control method of bone conduction earphone, bone conduction earphone and readable storage medium |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006325895A (en) * | 2005-05-26 | 2006-12-07 | National Institute Of Advanced Industrial & Technology | Noise reducing device |
| JP2007214883A (en) * | 2006-02-09 | 2007-08-23 | Nec Tokin Corp | Receiving device |
| JP2007281711A (en) * | 2006-04-04 | 2007-10-25 | Kenwood Corp | Earmold transceiver and wireless communication device |
| JP2011055085A (en) * | 2009-08-31 | 2011-03-17 | Audio Technica Corp | Digital noise canceling headphone and digital noise canceling method |
| US20150170633A1 (en) * | 2013-12-17 | 2015-06-18 | Kabushiki Kaisha Toshiba | Bone-conduction noise cancelling headphones |
| CN106162405A (en) * | 2016-07-27 | 2016-11-23 | 努比亚技术有限公司 | Denoising device, earphone and noise-reduction method |
-
2017
- 2017-08-15 CN CN201710697820.4A patent/CN107302731A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006325895A (en) * | 2005-05-26 | 2006-12-07 | National Institute Of Advanced Industrial & Technology | Noise reducing device |
| JP2007214883A (en) * | 2006-02-09 | 2007-08-23 | Nec Tokin Corp | Receiving device |
| JP2007281711A (en) * | 2006-04-04 | 2007-10-25 | Kenwood Corp | Earmold transceiver and wireless communication device |
| JP2011055085A (en) * | 2009-08-31 | 2011-03-17 | Audio Technica Corp | Digital noise canceling headphone and digital noise canceling method |
| US20150170633A1 (en) * | 2013-12-17 | 2015-06-18 | Kabushiki Kaisha Toshiba | Bone-conduction noise cancelling headphones |
| CN106162405A (en) * | 2016-07-27 | 2016-11-23 | 努比亚技术有限公司 | Denoising device, earphone and noise-reduction method |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109949790A (en) * | 2019-03-13 | 2019-06-28 | 姚天扬 | Active noise reduction system in feed forward type room |
| CN112400326A (en) * | 2019-06-11 | 2021-02-23 | 深圳市汇顶科技股份有限公司 | Bone conduction acoustic signal processing method, device, chip, earphone and storage medium |
| CN112400326B (en) * | 2019-06-11 | 2023-02-28 | 深圳市汇顶科技股份有限公司 | Bone conduction acoustic signal processing method, device, chip, earphone and storage medium |
| CN110225430A (en) * | 2019-06-12 | 2019-09-10 | 付金龙 | A kind of noise reduction osteoacusis headset and its noise-reduction method |
| CN114095826A (en) * | 2021-11-23 | 2022-02-25 | 歌尔科技有限公司 | Control method of bone conduction earphone, bone conduction earphone and readable storage medium |
| CN114095826B (en) * | 2021-11-23 | 2024-04-09 | 歌尔科技有限公司 | Bone conduction earphone control method, bone conduction earphone and readable storage medium |
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Application publication date: 20171027 |