CN202004948U - Communication device with microphone - Google Patents
Communication device with microphone Download PDFInfo
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- CN202004948U CN202004948U CN2011200290631U CN201120029063U CN202004948U CN 202004948 U CN202004948 U CN 202004948U CN 2011200290631 U CN2011200290631 U CN 2011200290631U CN 201120029063 U CN201120029063 U CN 201120029063U CN 202004948 U CN202004948 U CN 202004948U
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- tone
- microphone
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- 238000004891 communication Methods 0.000 title claims abstract description 35
- 239000000178 monomer Substances 0.000 claims description 19
- 230000009467 reduction Effects 0.000 abstract description 9
- 230000000694 effects Effects 0.000 abstract description 7
- 238000013461 design Methods 0.000 description 15
- 238000010276 construction Methods 0.000 description 7
- 239000011148 porous material Substances 0.000 description 7
- 238000005516 engineering process Methods 0.000 description 6
- 239000000463 material Substances 0.000 description 4
- 239000000047 product Substances 0.000 description 3
- 230000035945 sensitivity Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000001228 spectrum Methods 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 230000003139 buffering effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 230000003203 everyday effect Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000008520 organization Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
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Abstract
The utility model provides a communication device with a microphone, which comprises an outer casing and a MIC (microphone) unit disposed in the outer casing. A casing sound inlet hole corresponding to the MIC unit is arranged on the outer casing. An independent rubber sleeve for protecting the MIC unit is disposed outside the same. The surface, corresponding to the outer casing, of the rubber sleeve is flat. A windproof net is disposed, corresponding to the outer casing, on the surface of the rubber sleeve. The communication device is simple in structure, evident in wind noise reduction effect and capable of providing a wind noise reduction value above 6dB on the premise without damaging speech flexibility, and can be used with other noise reduction schemes for better noise reduction performance.
Description
Technical field
The utility model relates to the noise reduction technology field of portable communication apparatus, more specifically, relate to a kind of be applied in portable fields such as mobile phone, bluetooth earphone the wind device of making an uproar falls.
Background technology
At present, for portable communication apparatus such as common headphones and bluetooth earphones, it is to influence user's principal element used in everyday that wind is made an uproar.It mainly is by three kinds of reasons that wind noise forms:
1. the eddy current crack that produces of wind (as corner, surface etc.) around communication apparatus;
2. wind vibration that communication apparatus itself is produced imports MIC and the noise that produces;
3. wind is at the eddy current crack of MIC tone-entering hole place generation.
Wherein first kind of noise mainly is to lean on the airflow design of communication apparatus itself to reduce generating noise, as allow equipment corner transition slyness etc. as far as possible; Second kind of noise can improve by the buffering that increases between MIC gum cover and the housing; The third noise is the most scabrous problem at present, because in general, improve wind and make an uproar, and will go to reduce the noise that wind produces at the MIC tone-entering hole, and the design of tone-entering hole is difficult to fundamentally address this problem as far as possible.Therefore this often communication apparatus the bottleneck that wind is made an uproar falls, most of patents are all at this problem design.
At present the common wind scheme of making an uproar of falling mainly contains: the DSP algorithm, fall wind make an uproar material, the wind structure etc. of making an uproar is fallen, but above-mentioned these schemes all have some corresponding weak points.As adopt DSP algorithm noise reduction can influence the tonequality of communication apparatus, and increase the production cost of communication apparatus; It is bigger for the appearance effects of communication apparatus to take to fall the wind material of making an uproar, and many times also is difficult to reach gratifying effect; And fall the wind structure of making an uproar the requirement of comparison strictness is often arranged for physical dimension and specification, therefore can't be applied in for physical dimension and specification has on the portable communication apparatus of relatively being strict with.
Therefore, falling the problem of wind aspect making an uproar in order to overcome the microphone that exists in the above-mentioned prior art, that improves the microphone that is used for miniature portable equipment falls the wind performance of making an uproar, and is to be badly in need of the major issue that solves at present.
The utility model content
In view of the above problems, the utility model provides a kind of at portable communication apparatus and falls the wind scheme of making an uproar by what product structure was realized.
The purpose of this utility model provides a kind of communication apparatus that has microphone, comprise shell and be arranged on the interior MIC monomer of described shell, described shell is provided with and the corresponding housing tone-entering hole of described MIC monomer, wherein, be outside equipped with the independently gum cover of the described MIC monomer of a protection at described MIC monomer; Described gum cover and the corresponding surfacing of described shell; The surface corresponding with described shell at described gum cover is provided with windproof net.
In addition, preferred construction is that the hole of windproof net is 100 μ m～300 μ m.
In addition, preferred construction is to have the sound channel that is communicated with described MIC monomer and described housing tone-entering hole in described gum cover.
Moreover preferred construction is that described windproof net directly is attached to the inboard at the described gum cover outside or described housing tone-entering hole place.
Moreover preferred construction is that the external diameter of housing tone-entering hole is big, internal diameter is little, and seamlessly transits between the external diameter of described housing tone-entering hole and the internal diameter.
Moreover preferred construction is that the external diameter of housing tone-entering hole is at least than the big 2.5mm of internal diameter.
Moreover preferred construction is that the internal diameter of described housing tone-entering hole is than the big at least 1.5mm of diameter of sound channel.
Utilizing above-mentionedly according to device of the present utility model, can fall the wind value of making an uproar more than the 6dB (reducing by 50% wind noise) providing under the prerequisite of not losing speech sensitivity, is a kind of simple and effective wind technology of making an uproar of falling.And by the anti-acoustic capability of other scheme realization, the utility model is very little for the product structure influence, and can not increase any extra cost substantially relatively.And owing to pure adopt organization plan,, can not impact yet, can also be used in combination with other noise reduction scheme, thereby better anti-acoustic capability is provided the spectrum shape of wind noise cancellation signal so can not have any impact to voice.
In order to realize above-mentioned and relevant purpose, one or more aspects of the present utility model comprise the feature that the back will describe in detail and particularly point out in the claims.Following explanation and accompanying drawing describe some illustrative aspects of the present utility model in detail.Yet, the indication of these aspects only be some modes that can use in the variety of way of principle of the present utility model.In addition, the utility model is intended to comprise all these aspects and their equivalent.
Description of drawings
By the content of reference below in conjunction with the description of the drawings and claims, and along with understanding more comprehensively of the present utility model, other purpose of the present utility model and result will understand and easy to understand more.In the accompanying drawings:
Fig. 1 shows the overall structure schematic diagram of using bluetooth earphone of the present utility model;
Fig. 2 shows the cross-sectional view of using bluetooth earphone of the present utility model;
Fig. 3 is the detail structural representation of the windproof structure of making an uproar among Fig. 2.
Identical label is indicated similar or corresponding feature or function in institute's drawings attached.
Embodiment
Below with reference to accompanying drawing specific embodiment of the utility model is described in detail.
Traditional sound hole design generally all is a straight hole, wind is made an uproar and can directly be formed noise at place, sound hole, thereby at the tone-entering hole place just and voice mixed in together, even therefore fall the wind processing of making an uproar, also very difficult this noise that fundamentally reduces again by what other noise reduction technology carried out voice in the later stage.The utility model provides falls the wind scheme of making an uproar, and mainly is the design in conjunction with fluid mechanics principle, and the structure of tone-entering hole is made improvement, is reduced in the noise that the air intake vent place produces, thereby reduces the influence of wind noise to voice on root.
Fig. 1 and Fig. 2 show overall structure and the cross-sectional view of using bluetooth earphone of the present utility model respectively.
The communication apparatus that has microphone that the utility model provides can be applied in as on the portable communications such as bluetooth earphone, mobile phone, as depicted in figs. 1 and 2, this communication apparatus 100 comprises shell 110 and setting MIC monomer 103 in the enclosure, and shell 110 is provided with and MIC monomer 103 corresponding housing tone-entering holes 106.And,,,, fall the wind structure Design of making an uproar with support the utility model and get final product as long as guarantee that a complete plane can be arranged housing tone-entering hole 106 near therefore no matter which kind of design style this communication apparatus and MIC adopt because the utility model adopts single MIC design.
Part is the windproof structure division of making an uproar in the utility model shown in the circular dashed line among Fig. 2, and its detail structure as shown in Figure 3.
Fig. 3 shows the detail structure of the windproof structure of making an uproar among Fig. 2, and in Fig. 3, MIC monomer 103 is arranged on the inside of communication apparatus 100, and shell 110 is provided with and MIC monomer 103 corresponding housing tone-entering holes 106; Be outside equipped with the independently gum cover 104 of a protection MIC monomer at MIC monomer 103; has the sound channel 107 (being gum cover sound hole) that the sound hole that makes the MIC monomer is connected with housing tone-entering hole 106 on the shell 110 in the gum cover 104; and gum cover 104 and the corresponding surfacing of shell; between the housing tone-entering hole 106 that on gum cover 104 surface corresponding is the sound channel of gum cover 104 and shell, be provided with windproof net 105, enter sound channel 107 (gum cover sound hole) in the housing and the MIC monomer 103 that links to each other with sound channel 107 from housing tone-entering hole 106 to prevent wind with shell.
In the windproof design of making an uproar of the present utility model, at first need to guarantee the distinguished and admirable level and smooth surface of passing through gum cover 104 of trying one's best, ninor feature becomes eddy current and turbulence noise as far as possible, this just need change to traditional straight hole formula tone-entering hole structural design the structure of the circular hole of housing tone-entering hole 106 as shown in Figure 3.Make up a plane by the gum cover structure at housing tone-entering hole 106 places simultaneously, allow coupling place of shell structure and gum cover as far as possible, guarantee the flatness of transfer voice space transition apart from housing tone-entering hole one segment distance.
And, make an uproar in order to suppress wind better, the utility model has also increased the windproof net 105 that a slice holey material is made between gum cover 104 and housing 110, porous material can produce filter effect to wind, compare with common TPE or plastic material, because being in the windproof net 105 that is made of porous materials of housing tone-entering hole 106 belows is hollow, therefore the porous material place of distinguished and admirable meeting above housing tone-entering hole 106 produces shunting, avoids air to flow through the high windage of housing 110 generations owing to the excessive eddy current crack that causes of windage difference at housing tone-entering hole 106 diverse location places.
In addition, to fall the make an uproar realization of effect of wind also very important to of the present utility model in the selection of windproof net 105 mesh, if the mesh of windproof net is too close, hole is too small, be easy to generate certain acoustic resistance on the one hand, thereby the sensitivity that causes communication apparatus to receive voice signal reduces; On the other hand, too close mesh becomes the wind vibrating diaphragm of making an uproar easily under the situation that has wind to pass through, thereby produces bigger noise.Simultaneously, if mesh is too rare, hole is excessive, then do not have due windbreak function.Therefore holes mesh-structured at 100 μ m～300 μ m adopted in windproof net 105 suggestions in the present embodiment.
In concrete construction technology, can directly windproof net 105 be attached to the outside of gum cover 104 or the inboard at housing tone-entering hole 106 places.
Independently gum cover 104 not only can be protected MIC monomer 103, can also guarantee windproof net 105 and the housing 110 applying effect at housing tone-entering hole 106 places, and has the effect of anti-leak-stopping sound, damping; Simultaneously, because gum cover has certain rigidity again, the inner surface that its even curface can be used as the carrier of windproof net 105 and housing 110 fits tightly is in the same place.
In the windproof design of making an uproar of the present utility model, housing tone-entering hole 106 places adopt the structural design that external diameter is big, internal diameter is little, seamlessly transit.In theory, the interior external diameter of housing tone-entering hole 106 differs and is the bigger the better, but is based on the restriction of actual product size, is difficult to do too greatly.Therefore, make an uproar in the scope that can receive falling wind for the filtration slope that guarantees housing tone-entering hole 106 structures, in a preferred implementation of the present utility model, the external diameter that needs housing tone-entering hole 106 is than more than the big 2.5mm of internal diameter.
In addition, for prevent sound in transmission course owing to the sound transmission channel shape change the wind noise that causes rapidly, need make more than the big 1.5mm of diameter of diameter than sound channel 107 (gum cover sound hole) of housing tone-entering hole 106.
Explain as can be seen by above-mentioned embodiment the windproof structural design details of making an uproar of the utility model, with respect to the anti-acoustic capability of realizing by other scheme in the prior art, the wind structure of making an uproar of falling of the present utility model is very little for the structure influence of communication apparatus, and can not increase any extra cost substantially.And adopt structural improved plan because the utility model is pure,, also can not impact the spectrum shape of wind noise cancellation signal so can not have any impact to voice.
Through experimental verification, use the wind technology of making an uproar of falling of the present utility model, can more than the 6dB (reducing by 50% wind noise) the wind value of making an uproar fall providing under the prerequisite of not losing speech sensitivity.Certainly, of the present utility model the wind scheme of making an uproar also can be used in combination with other noise reduction scheme, thereby better anti-acoustic capability is provided.
The communication apparatus that has microphone that the utility model provides can be at portable communication apparatus such as mobile phone, bluetooth earphones, also can be the communication apparatus of fixing.In addition, the wind scheme of making an uproar of falling of being showed in the foregoing description realizes by single Mike's sound pore structure design, do not get rid of by dual microphone sound pore structure or the design of multi-microphone sound pore structure yet and realize, the realization details of passing through single Mike's sound pore structure of being showed in concrete realization details and the foregoing description is similar, does not repeat them here.
As above the communication apparatus that has microphone according to of the present utility model has been described in the mode of example with reference to accompanying drawing.But, it will be appreciated by those skilled in the art that the communication apparatus that has microphone that proposes for above-mentioned the utility model, can also on the basis that does not break away from the utility model content, make various improvement.Therefore, protection range of the present utility model should be determined by the content of appending claims.
Claims (7)
1. a communication apparatus that has microphone comprises shell and is arranged on the interior MIC monomer (103) of described shell, and described shell is provided with and the corresponding housing tone-entering hole of described MIC monomer (103) (106), it is characterized in that,
Be outside equipped with the independently gum cover (104) of the described MIC monomer of a protection at described MIC monomer; Described gum cover (104) and the corresponding surfacing of described shell;
Be provided with windproof net (105) on described gum cover (104) surface corresponding with described shell.
2. the communication apparatus that has microphone as claimed in claim 1 is characterized in that,
The hole of described windproof net (105) is 100 μ m～300 μ m.
3. the communication apparatus that has microphone as claimed in claim 2 is characterized in that,
In described gum cover (104), has the sound channel that is communicated with described MIC monomer (103) and described housing tone-entering hole (106).
4. the communication apparatus that has microphone as claimed in claim 3 is characterized in that,
The inboard that described windproof net (105) directly is attached to outside the described gum cover (104) or described housing tone-entering hole (106) is located.
5. the communication apparatus that has microphone as claimed in claim 4 is characterized in that,
The external diameter of described housing tone-entering hole (106) is big, internal diameter is little, and seamlessly transits between the external diameter of described housing tone-entering hole (106) and the internal diameter.
6. the communication apparatus that has microphone as claimed in claim 5 is characterized in that,
The external diameter of described housing tone-entering hole (106) is at least than the big 2.5mm of internal diameter.
7. the communication apparatus that has microphone as claimed in claim 6 is characterized in that,
The internal diameter of described housing tone-entering hole (106) is than the big at least 1.5mm of diameter of sound channel (107).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200290631U CN202004948U (en) | 2011-01-27 | 2011-01-27 | Communication device with microphone |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200290631U CN202004948U (en) | 2011-01-27 | 2011-01-27 | Communication device with microphone |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202004948U true CN202004948U (en) | 2011-10-05 |
Family
ID=44707672
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200290631U Expired - Lifetime CN202004948U (en) | 2011-01-27 | 2011-01-27 | Communication device with microphone |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202004948U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013131366A1 (en) * | 2012-03-07 | 2013-09-12 | 福兴达科技实业（深圳）有限公司 | Wind noise reduction apparatus of microphone |
| CN110611851A (en) * | 2019-10-25 | 2019-12-24 | 歌尔科技有限公司 | Single-directional microphone |
-
2011
- 2011-01-27 CN CN2011200290631U patent/CN202004948U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013131366A1 (en) * | 2012-03-07 | 2013-09-12 | 福兴达科技实业（深圳）有限公司 | Wind noise reduction apparatus of microphone |
| CN110611851A (en) * | 2019-10-25 | 2019-12-24 | 歌尔科技有限公司 | Single-directional microphone |
| CN110611851B (en) * | 2019-10-25 | 2021-06-01 | 歌尔科技有限公司 | Single-directional microphone |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Weifang Goertek Electronics Co., Ltd. Assignor: Goertek Inc. Contract record no.: 2013370000050 Denomination of utility model: Communication device with microphone Granted publication date: 20111005 License type: Exclusive License Record date: 20130322 |
|
| LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
| C56 | Change in the name or address of the patentee | ||
| CP03 | Change of name, title or address |
Address after: 261031 Dongfang Road, Weifang high tech Industrial Development Zone, Shandong, China, No. 268 Patentee after: Goertek Inc. Address before: 261031 No. 268 Dongfang Road, Weifang hi tech Industrial Development Zone, Shandong, Weifang Patentee before: Goertek Inc. |
|
| CX01 | Expiry of patent term |
Granted publication date: 20111005 |
|
| CX01 | Expiry of patent term |