CN106652994A - Terminal accessory and terminal assembly realizing active noise reduction - Google Patents
Terminal accessory and terminal assembly realizing active noise reduction Download PDFInfo
- Publication number
- CN106652994A CN106652994A CN201611093207.3A CN201611093207A CN106652994A CN 106652994 A CN106652994 A CN 106652994A CN 201611093207 A CN201611093207 A CN 201611093207A CN 106652994 A CN106652994 A CN 106652994A
- Authority
- CN
- China
- Prior art keywords
- terminal
- microphone
- end fitting
- audio signal
- interface
- Prior art date
- 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.)
- Granted
Links
Classifications
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
- G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
- G10K11/16—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
- G10K11/175—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound
- G10K11/178—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound by electro-acoustically regenerating the original acoustic waves in anti-phase
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
- G10K2210/00—Details of active noise control [ANC] covered by G10K11/178 but not provided for in any of its subgroups
- G10K2210/30—Means
- G10K2210/301—Computational
- G10K2210/3045—Multiple acoustic inputs, single acoustic output
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Telephone Function (AREA)
- Headphones And Earphones (AREA)
Abstract
The invention discloses a terminal accessory and a terminal assembly realizing active noise reduction. The terminal accessory comprises an accessory main body, and a first microphone arranged at the position, close to a telephone receiver, on the accessory main body, and used for picking up environmental noise signals so as to realize noise reduction by matching with the telephone receiver. According to the scheme, an ANC microphone arranged on the terminal in the prior art is arranged on the terminal accessory, a microphone input pathway of a headphone jack is reused, so that the microphone stacking space and input pathway of the terminal are not occupied while the ANC function is realized, thus the stacking difficulty is reduced, the terminal design difficulty and cost are reduced, and space for choosing the ANC function is provided for users.
Description
Technical field
The present invention relates to electronic components field, more particularly to a kind of end fitting and terminal assembly for realizing active noise reduction.
Background technology
With the terminals such as the popularization of all kinds of intelligent electronic devices, mobile phone have become it is considerable in people's daily life
Electronic equipment.But noisy environment can have a strong impact on the speech quality of terminal and audio frequency is played, and make the standard of reception acoustic information
Really property is reduced.Therefore, the demand of terminal noise reduction is also being increased rapidly.
Existing terminal active noise reduction system must stack three microphones in terminal and could realize active noise reduction function,
And this three microphones structure and sound chamber be required for meeting certain design specification requirement, therefore be accomplished by audio distribution
More space resources, it is difficult to balance the needs of each design module, increased the difficulty of stacking.Realize that active noise reduction is also needed to
Increase by one group of microphone input path on the basis of common noise reduction system, need to increase logical resource in hardware design, cause to set
The increase of meter difficulty and cost.
The content of the invention
The invention mainly solves the technical problem of providing a kind of end fitting and terminal assembly for realizing active noise reduction, energy
The function of active noise reduction is enough realized based on the design of terminal dual microphone, reduces by one group of input channel, make design difficulty and cost
Reduce.
To solve above-mentioned technical problem, one aspect of the present invention is to provide a kind of end for realizing active noise reduction
End accessory, including：
Fitment body；
First microphone, is arranged at the fitment body near the position of receiver, for picking up ambient noise signal to match somebody with somebody
Close the receiver and realize noise reduction.
Wherein, further include first interface, the first interface is arranged at the fitment body, and with first wheat
Gram wind electrical couplings.
Wherein, the first interface includes metallic plug, and the metallic plug includes and the electrical coupling of first microphone
The microphone signal line of conjunction and ground wire.
Wherein, the fitment body is terminal protection set.
To solve above-mentioned technical problem, another technical solution used in the present invention is to provide a kind of active noise reduction realized
Terminal assembly, including：
Terminal；
End fitting, the end fitting is the end fitting in such scheme.
Wherein, the terminal is further included：
Second interface, when the end fitting is assemblied in the terminal, with the first microphone electrical couplings；
Dolby circuit, with the second interface electrical couplings, the ambient noise for first microphone to be picked up is believed
Output after number reversely.
Wherein, the second interface includes earphone jack, and holding wire PIN and ground wire are provided with the earphone jack
PIN, the holding wire PIN and switching circuit electrical couplings.
Wherein, the terminal is further included：
Switching circuit, when the end fitting is assemblied in the terminal, the Dolby circuit is switched to and described
The pattern of one microphone matching, when Headphone accessory is assemblied in the terminal, the Dolby circuit is switched to and the earphone
The pattern of accessory matching.
Wherein, the terminal is further included：
Second microphone, is arranged at the bottom of terminal, for picking up the first audio signal；
3rd microphone, is arranged at the top of the terminal, for picking up the second audio signal；
Whether the Dolby circuit is additionally operable to judge the intensity of first audio signal and the second audio signal less than threshold
Value, if being then judged to noise signal and eliminating.
Wherein, the threshold value of the intensity difference of first audio signal and the second audio signal is 6dB.
The present invention is not take up the wheat of terminal by the way that ANC microphones are arranged at into end fitting while ANC functions are realized
Gram wind stacking space and input channel, reduce the difficulty and cost of Terminal Design, and provide the user the sky for selecting ANC functions
Between.
Description of the drawings
Fig. 1 is the structural representation of end fitting embodiment of the present invention；
Fig. 2 is the ANC microphone connecting interface schematic diagrames of end fitting embodiment of the present invention；
Fig. 3 is the structural representation of terminal assembly embodiment of the present invention；
Fig. 4 is the circuit diagram of terminal assembly embodiment of the present invention；
Fig. 5 is the ANC microphone connecting interface schematic diagrames of terminal assembly embodiment of the present invention.
Specific embodiment
Below in conjunction with the accompanying drawings the present invention is described in detail with embodiment.
Referring to Fig. 1 and Fig. 2, end fitting embodiment of the present invention includes：
Fitment body 10；
First microphone 20, is arranged at fitment body 10 near the position of receiver, for picking up ambient noise signal to match somebody with somebody
Close receiver and realize noise reduction.
End fitting further includes first interface 30, and first interface 30 is arranged at fitment body 10, and with the first Mike
The electrical couplings of wind 20.
Referring to Fig. 2, first interface 30 includes metallic plug, and metallic plug includes the wheat with the electrical couplings of the first microphone 20
Gram wind holding wire 301 and ground wire 302.
In the present embodiment, fitment body 10 is terminal protection set, and the first microphone 20 is protected respectively by being arranged at terminal
The cabling of sheath is connected with the microphone signal line 301 and ground wire 302 of first interface 30.
The present invention is multiplexed ear by the way that the ANC being arranged in prior art in terminal microphones are arranged at into end fitting
The microphone input path of machine interface, microphone stacking space and the input that terminal is not take up while ANC functions are realized is logical
Road, reduces the difficulty of stacking, reduces the difficulty and cost of Terminal Design, and provides the user the space for selecting ANC functions.
Referring to Fig. 3, terminal assembly embodiment of the present invention includes：
Terminal 40；
End fitting, is the end fitting in above-described embodiment.
The stereogram of display terminal 40 in Fig. 3, terminal 40 and terminal protection set are not assembled completely, when terminal 40 and terminal
When protective case is assembled completely, the first microphone 20 is near the receiver position of terminal 40.
Referring to Fig. 4 and Fig. 5, terminal 40 is further included：
Second interface 401, when end fitting is assemblied in terminal 40, with the electrical couplings of the first microphone 20；
Dolby circuit 402, with the electrical couplings of second interface 401, the ambient noise for the first microphone 20 to be picked up is believed
Output after number reversely.
Second interface 401 includes earphone jack, and holding wire PIN 4011 and ground wire PIN are provided with earphone jack
4012, holding wire PIN 4011 and the electrical couplings of switching circuit 403.
Terminal 40 is further included：
Switching circuit 403, when end fitting is assemblied in terminal 40, Dolby circuit 402 is switched to and the first microphone
The pattern of 20 matchings, when Headphone accessory is assemblied in terminal 40, Dolby circuit 402 is switched to the mould matched with Headphone accessory
Formula.
In the present embodiment, first ambient noise signal is picked up by the first microphone 20, by fitment body 10
Cabling is transmitted to the microphone signal line 301 of first interface 30；Second interface 401 by being electrically connected with first interface 30 again
Microphone signal line PIN 4011 transmit to switching circuit 403；Now, switching circuit 403 detects second interface 401 and connects
Enter be the first microphone 20 or receive access the first microphone 20 instruction, control Dolby circuit 402 switch to and first
The pattern of the matching of microphone 20 simultaneously transmits ambient noise signal to Dolby circuit 402；Finally by Dolby circuit 402 by environment
Noise signal reversely, is exported to the receiver of terminal 40, is offset with ambient noise, realizes active noise reduction.
Referring to Fig. 4, terminal is further included：
Second microphone 404, is arranged at the bottom of terminal 40, for picking up the first audio signal；
3rd microphone 405, is arranged at the top of terminal 40, for picking up the second audio signal；
Whether Dolby circuit 402 is additionally operable to judge the intensity of the first audio signal and the second audio signal less than threshold value, if
It is to be judged to noise signal and eliminate.
In the present embodiment, the threshold value of the intensity difference of the first audio signal and the second audio signal is 6dB.
First audio signal transmission is picked up to Dolby circuit 402 by second microphone 404, by the 3rd microphone 405
The second audio signal transmission is picked up to Dolby circuit 402, by Dolby circuit 402 by the first audio signal and the second audio signal
It is compared；If the strength difference of the first audio signal and the second audio signal is less than 6dB, in judging the first audio signal
This segment signal is noise signal and eliminates；If the strength difference of the first audio signal and the second audio signal is more than or equal to 6dB,
This segment signal in the first audio signal is judged as voice signal, the noise reduction of local voice signal is realized in normal output.
The present invention is multiplexed ear by the way that the ANC being arranged in prior art in terminal microphones are arranged at into end fitting
The microphone input path of machine interface, microphone stacking space and the input that terminal is not take up while ANC functions are realized is logical
Road, reduces the difficulty of stacking, reduces the difficulty and cost of Terminal Design, and provides the user the space for selecting ANC functions.
Embodiments of the present invention are the foregoing is only, the scope of the claims of the present invention is not thereby limited, it is every using this
Equivalent structure or equivalent flow conversion that description of the invention and accompanying drawing content are made, or directly or indirectly it is used in other correlations
Technical field, is included within the scope of the present invention.
Claims (10)
1. a kind of end fitting for realizing active noise reduction, it is characterised in that include：
Fitment body；
First microphone, is arranged at the fitment body near the position of receiver, for picking up ambient noise signal to coordinate
State receiver and realize noise reduction.
2. end fitting according to claim 1, it is characterised in that further include first interface, the first interface
Be arranged at the fitment body, and with the first microphone electrical couplings.
3. end fitting according to claim 2, it is characterised in that the first interface includes metallic plug, the gold
Category plug includes the microphone signal line and ground wire with the first microphone electrical couplings.
4. the end fitting according to any one of claims 1 to 3, it is characterised in that the fitment body is terminal protection
Set.
5. a kind of terminal assembly for realizing active noise reduction, it is characterised in that include：
Terminal；
End fitting, the end fitting is the end fitting of any one of Claims 1-4.
6. terminal assembly according to claim 5, it is characterised in that the terminal is further included：
Second interface, when the end fitting is assemblied in the terminal, with the first microphone electrical couplings；
Dolby circuit, with the second interface electrical couplings, the ambient noise signal for first microphone to be picked up is anti-
Export backward.
7. terminal assembly according to claim 6, it is characterised in that the second interface includes earphone jack, the ear
Holding wire PIN and ground wire PIN, the holding wire PIN and switching circuit electrical couplings are provided with machine transplanting of rice hole.
8. terminal assembly according to claim 6, it is characterised in that the terminal is further included：
Switching circuit, when the end fitting is assemblied in the terminal, the Dolby circuit is switched to and first wheat
The pattern of gram wind matching, when Headphone accessory is assemblied in the terminal, the Dolby circuit is switched to and the Headphone accessory
The pattern of matching.
9. terminal assembly according to claim 8, it is characterised in that the terminal is further included：
Second microphone, is arranged at the bottom of terminal, for picking up the first audio signal；
3rd microphone, is arranged at the top of the terminal, for picking up the second audio signal；
Whether the Dolby circuit is additionally operable to judge the intensity of first audio signal and the second audio signal less than threshold value, if
It is to be judged to noise signal and eliminate.
10. terminal assembly according to claim 9, it is characterised in that first audio signal and the second audio signal
Intensity difference threshold value be 6dB.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611093207.3A CN106652994B (en) | 2016-11-30 | 2016-11-30 | Terminal accessory and terminal assembly for realizing active noise reduction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611093207.3A CN106652994B (en) | 2016-11-30 | 2016-11-30 | Terminal accessory and terminal assembly for realizing active noise reduction |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106652994A true CN106652994A (en) | 2017-05-10 |
| CN106652994B CN106652994B (en) | 2021-01-26 |
Family
ID=58814913
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611093207.3A Active CN106652994B (en) | 2016-11-30 | 2016-11-30 | Terminal accessory and terminal assembly for realizing active noise reduction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106652994B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109167863A (en) * | 2018-08-10 | 2019-01-08 | 瑞声科技(新加坡)有限公司 | Receiver mould group |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202918470U (en) * | 2012-11-26 | 2013-05-01 | 新疆天地集团有限公司 | Terminal device accessory and terminal device |
| CN203747865U (en) * | 2013-11-29 | 2014-07-30 | 岳凡恩 | Protection structure with sound-receiving function |
| CN203788341U (en) * | 2014-02-24 | 2014-08-20 | 宇龙计算机通信科技(深圳)有限公司 | Dustproof earplug and mobile terminal |
| JP2015159562A (en) * | 2012-05-21 | 2015-09-03 | ハーマン ベッカー オートモーティブ システムズ ゲーエムベーハー | active noise reduction |
-
2016
- 2016-11-30 CN CN201611093207.3A patent/CN106652994B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2015159562A (en) * | 2012-05-21 | 2015-09-03 | ハーマン ベッカー オートモーティブ システムズ ゲーエムベーハー | active noise reduction |
| CN202918470U (en) * | 2012-11-26 | 2013-05-01 | 新疆天地集团有限公司 | Terminal device accessory and terminal device |
| CN203747865U (en) * | 2013-11-29 | 2014-07-30 | 岳凡恩 | Protection structure with sound-receiving function |
| CN203788341U (en) * | 2014-02-24 | 2014-08-20 | 宇龙计算机通信科技(深圳)有限公司 | Dustproof earplug and mobile terminal |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109167863A (en) * | 2018-08-10 | 2019-01-08 | 瑞声科技(新加坡)有限公司 | Receiver mould group |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106652994B (en) | 2021-01-26 |
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|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220110 Address after: 523000 building 3, No. 6, HongMian Road, Songshanhu Park, Dongguan City, Guangdong Province Patentee after: Weike terminal technology (Dongguan) Co.,Ltd. Address before: 518053 H3 501B, east industrial area of overseas Chinese town, Nanshan District, Shenzhen, Guangdong Patentee before: SHENZHEN TINNO WIRELESS TECHNOLOGY Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230508 Address after: No. 1401, 1402, and 1412, 14th Floor, Building 4, Tian'an Yungu Industrial Park Phase 2, Gangtou Community, Bantian Street, Longgang District, Shenzhen City, Guangdong Province, 518000 Patentee after: Weike Terminal Technology (Shenzhen) Co.,Ltd. Address before: 523000 building 3, No. 6, HongMian Road, Songshanhu Park, Dongguan City, Guangdong Province Patentee before: Weike terminal technology (Dongguan) Co.,Ltd. |