CN205430557U - Earphone - Google Patents
Earphone Download PDFInfo
- Publication number
- CN205430557U CN205430557U CN201620199541.6U CN201620199541U CN205430557U CN 205430557 U CN205430557 U CN 205430557U CN 201620199541 U CN201620199541 U CN 201620199541U CN 205430557 U CN205430557 U CN 205430557U
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- microphone
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- noise reduction
- headset
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- 238000004891 communication Methods 0.000 claims description 13
- 210000005069 ears Anatomy 0.000 claims description 7
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- 238000004519 manufacturing process Methods 0.000 claims description 5
- 230000003044 adaptive effect Effects 0.000 claims description 4
- 239000004745 nonwoven fabric Substances 0.000 claims description 3
- 230000005520 electrodynamics Effects 0.000 claims description 2
- 239000000463 material Substances 0.000 claims description 2
- 239000003990 capacitor Substances 0.000 claims 1
- 238000002360 preparation method Methods 0.000 claims 1
- 210000003128 head Anatomy 0.000 description 18
- 238000010586 diagram Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 238000009826 distribution Methods 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 210000003027 ear inner Anatomy 0.000 description 1
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- 229910002027 silica gel Inorganic materials 0.000 description 1
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- Telephone Set Structure (AREA)
- Headphones And Earphones (AREA)
Abstract
The utility model provides an earphone, include two earphones, the earphone line that is connected with the earphone, the earphone includes the shell and accepts the phonation unit in the shell, be provided with one respectively and fall the microphone of making an uproar in two earphones, be fixed with a conversation microphone on the earphone line, wherein, conversation microphone and two fall the microphone of making an uproar and are used for going upward to fall to earphone making an uproar, and two are fallen the microphone of making an uproar and are used for falling down earphone and make an uproar. Utilize above -mentioned utility model to form " the heart " shape beam that is located head the place ahead through three microphones, reduce the influence of external noise, improve earphone's speech quality.
Description
Technical Field
The utility model relates to an acoustics technical field, more specifically relates to an ANC earphone with go upward and fall the function of making an uproar down.
Background
At present, ANC (active noise control system) earphones mainly include a feed-forward type earphone, a feedback type earphone and a hybrid earphone, and the earphones are composed of a loudspeaker, an earphone shell, a noise reduction microphone, a conversation microphone, wires, a wire control and the like.
The existing feedforward and hybrid ANC earphones mainly comprise two realization modes, namely, the conversation function is realized through a conversation microphone, and at the moment, the single conversation microphone is difficult to realize uplink noise reduction processing, so that the conversation quality is difficult to improve; secondly, beamformation is realized through feedforward ANC microphones to eliminate noise in the range of two sides of human ears, but because the beams formed by the two ANC microphones are in a shape of '8', the noise at the back side of the head of a user cannot be eliminated, and the pickup of only a call signal is difficult to realize.
It can be known that, in the existing ANC earphone, only two ANC microphones are relatively fixed, and received audio signals are also relatively stable, and the beams that can be made by the two microphones can only be in a shape of "8", and the beams on the back side of the head of the user cannot be cancelled; in addition, the call microphone cannot be effectively fixed, and the call microphone is usually single, so that the uplink noise reduction processing cannot be performed.
SUMMERY OF THE UTILITY MODEL
In view of the above problem, the utility model aims at providing a ANC earphone realizes falling down of earphone and falls the noise through two ANC microphones to under the combined action of conversation microphone and two ANC microphones, realize going upward of earphone and fall the noise, can effectively improve the ability of making an uproar and user's the speech quality of falling of earphone.
According to the utility model, an earphone is provided, which comprises two earphones and an earphone wire connected with the earphones; the earphone comprises a shell and a sound production unit contained in the shell; wherein, two receivers are respectively provided with a noise reduction microphone, and a communication microphone is fixed on the earphone line; the communication microphone and the two noise reduction microphones are used for carrying out uplink noise reduction on the earphone; and the two noise reduction microphones are used for carrying out downlink noise reduction on the earphone.
In addition, it is preferable that the noise reduction microphone processes the received voice signal, removes noise signals in directions of both sides of the human ear, and forms a beam in a shape of "8" in the front-rear direction of the head.
In addition, it is preferable that the call microphone performs parameter analysis on the received voice signal, determines the direction of the voice signal, and eliminates the beam located behind the head to form a "heart" shaped beam located in front of the head.
In addition, it is preferable that the noise reduction microphone is an ANC microphone; the talking microphone is an ANC microphone, a capacitance microphone or an electrodynamic microphone.
In addition, it is preferable that a fixing structure is provided to the microphone for communication.
In addition, it is preferable that the housing includes a front cover and a rear cover which are connected in an adaptive manner, and the sound generating unit and the corresponding noise reduction microphone are accommodated in the front cover and the rear cover.
In addition, it is preferable that the microphone is fixed to any one of the earphone lines, and the microphone and the two noise reduction microphones form a triangular structure.
In addition, it is preferable that a main sound output tube is provided on the front cover, and an in-ear earmuff is provided on the main sound output tube in a fitting manner.
Further, it is preferable that a tuning sheet for adjusting the acoustic performance of the sound emitting unit is stuck to the main sound output tube; wherein, the tuning sheet is screen cloth, sponge or non-woven fabrics.
Utilize the aforesaid to be according to the utility model discloses an earphone eliminates the noise signal of user's ear both sides through the microphone of making an uproar that falls in two earphones, then under the cooperation of conversation microphone, eliminates the noise signal who is located user's head rear, can realize going upward of earphone simultaneously and fall to make an uproar and fall down to make an uproar, effectively improves user's speech quality and user experience.
Drawings
Other objects and results of the present invention will become more apparent and more readily appreciated as the same becomes better understood by reference to the following description and appended claims, taken in conjunction with the accompanying drawings. In the drawings:
fig. 1 is a schematic diagram of microphone position distribution according to an embodiment of the present invention;
fig. 2-1 is a schematic view of a "8" shaped beam according to an embodiment of the present invention;
fig. 2-2 is a schematic diagram of a "heart" shaped beam according to an embodiment of the present invention;
fig. 3 is a schematic block diagram of noise reduction of an earphone according to an embodiment of the present invention.
Wherein the reference numerals include: noise reduction microphones 1, 1', a call microphone 2, an earphone cord 3, and a user 4.
The same reference numbers in all figures indicate similar or corresponding features or functions.
Detailed Description
In the following description, for purposes of explanation, numerous specific details are set forth in order to provide a thorough understanding of one or more embodiments. It may be evident, however, that such embodiment(s) may be practiced without these specific details. In other instances, well-known structures and devices are shown in block diagram form in order to facilitate describing one or more embodiments.
For the purpose of describing the earphone of the present invention in detail, the following description will be made in conjunction with the accompanying drawings.
Fig. 1 shows a microphone position distribution structure according to an embodiment of the present invention.
As shown in fig. 1, the earphone of the embodiment of the present invention includes two earphones and an earphone line 3 connected to the earphones; each earphone comprises a shell and a sound production unit contained in the shell; namely, the earphone comprises two earphones, each earphone is respectively connected with a corresponding earphone wire, a noise reduction microphone (respectively a microphone 1 and a microphone 1', the same below) is respectively arranged in the two earphones, and a call microphone 2 is fixed on any earphone wire; the communication microphone 2 and the two noise reduction microphones are used for carrying out uplink noise reduction on the earphone; and moreover, the two noise reduction microphones can also realize the downlink noise reduction of the earphone.
In a specific embodiment of the present invention, the noise reduction microphone may be an ANC (active noise control system) microphone, and the conversation microphone 2 may be an ANC microphone, or an ordinary condenser microphone or an electric microphone, etc. Two noise reduction microphones in the receiver are used for carrying out algorithm processing on voice signals received by the microphones to eliminate noise signals positioned on two sides of human ears, and 8-shaped wave beams are formed in the front and back directions of the head of the user 4.
Specifically, fig. 2-1 and 2-2 show "8" shaped beam and "heart" shaped beam schematic structures, respectively, according to embodiments of the present invention.
As shown in fig. 1 to fig. 2-1, in the earphone according to the embodiment of the present invention, the earphones located in the left and right ears of the user 4 are respectively provided with one noise reduction microphone 1 and one noise reduction microphone 1', a call microphone 2 is fixed on any one earphone wire 3 of the two earphones, and the call microphone 2 and the two noise reduction microphones form a triangle structure. In the figure, the direction F indicates the direction in front of the head of the user 4, and the direction B indicates the direction behind the head of the user 4.
In order to facilitate the user 4 to fix the microphone 2, a simple fixing structure such as a fixing clip may be further disposed on the housing or the cavity of the microphone 2. In the process of communication, the user 4 can fix the communication microphone 2 on the clothes through the fixing structure and realize the uplink noise reduction processing of the earphone by matching with two noise reduction microphones positioned in the receiver.
In particular, fig. 3 shows a noise reduction principle of the earphone according to an embodiment of the present invention.
As shown in fig. 3, in the noise reduction process of the earphone according to the embodiment of the present invention, two noise reduction microphones (or ANC microphones) in the earphone are utilized to perform an algorithm process on the received voice signals, so as to eliminate the noise signals in the directions of both sides of the human ear, and form a "8" -shaped beam in the front-back direction of the head of the user, as shown in fig. 2-1; the matching of the two noise reduction microphones can improve the signal-to-noise ratio (unit dB) of the earphone to a certain extent and improve the communication quality.
Then, the call microphone on the earphone line can receive the voice signal in the call process, and the directions 'F' and 'B' of the call voice signal are judged by analyzing the voice signal received by the call microphone and comparing the parameters of the voice signal, such as the size, the frequency and the like; finally, the beam in the "B" direction is eliminated on the "8" shaped beam through the algorithm processing, only the beam in the "F" direction is reserved, and as shown in figure 2-2, a "heart" shaped beam in front of the head of the user is finally formed.
In another embodiment of the present invention, the housing comprises a front cover and a rear cover which are connected in an adaptive manner, and the sound generating unit and the corresponding noise reduction microphone are both accommodated in the front cover and the rear cover; the main sound output tube is arranged on the front cover, the in-ear muffs which are connected in a matching mode are arranged on the main sound output tube, the in-ear muffs can be made of materials such as silica gel or high-elasticity polyester, and can be in close contact with the auditory meatus after being inserted into the auditory meatus to isolate sound from entering the middle ear and the inner ear, and therefore the purpose of sound insulation is achieved. In addition, a tuning sheet for adjusting the acoustic performance of the sound emitting unit may be attached to the main sound output tube to improve the acoustic performance of the headphone. The tuning sheet can be mesh, sponge or non-woven fabric.
Utilize the aforesaid to be according to the utility model discloses an earphone is through fixing the conversation microphone branch, ensures to fall the rigidity of making an uproar microphone and conversation shell wind to under the combined action of three microphones, form the speech signal of "heart" shape wave beam, and as signal output to people's ear, can effectively reduce the influence of external noise to the conversation, improve user's speech quality.
The noise reduction processing of the external noise by using the earphone mainly comprises the following steps:
the method comprises the following steps: the noise reduction microphone carries out downlink noise reduction processing on the received voice signals, eliminates noise signals on two sides of human ears, and forms 8-shaped wave beams in the front-back direction of the head.
In this step, two noise reduction microphones (or ANC microphones) in the headset can perform algorithm processing on the received voice signals, eliminate noise signals located in the directions of two sides of human ears, and form 8-shaped beams in the front-back direction of the head of the user, thereby improving the signal-to-noise ratio and the call quality of the headset.
Step two: the call microphone on the earphone cord analyzes and processes the received voice signal, eliminates the wave beam behind the head, retains the wave beam in front of the head, and finally realizes the uplink noise reduction processing of the earphone.
Analyzing a voice signal received by a call microphone positioned on an earphone wire, comparing various parameters such as the size, the frequency and the like of the voice signal, and judging the direction of the call voice signal; finally, through algorithm processing, the wave beam positioned at the back of the head is eliminated on the 8-shaped wave beam, only the heart-shaped wave beam signal positioned at the front of the head is reserved and output to human ears, uplink noise reduction of the earphone can be realized through the call microphone, and the call quality is improved.
Therefore, the earphone of the present invention includes an uplink noise reduction unit and a downlink noise reduction unit, where the uplink noise reduction unit includes two noise reduction microphones located in the earphone and one call microphone located on the earphone line; the downlink noise reduction unit comprises two noise reduction microphones positioned in the receiver. Under the combined action of three microphones (two noise reduction microphones and one communication microphone), uplink noise reduction and downlink noise reduction of the earphone can be realized simultaneously, and the noise reduction effect is obvious.
According to the above embodiment, can see out, according to the utility model provides an earphone eliminates the noise signal of user's ear both sides through the microphone of making an uproar that falls in two earphones, then under the cooperation of conversation microphone, will be located the noise signal at user's head rear and also eliminate, can realize going upward of earphone simultaneously and fall to make an uproar down, effectively improves user's speech quality and user experience.
The headset according to the invention is described above by way of example with reference to the accompanying drawings. However, it will be appreciated by those skilled in the art that various modifications may be made to the headset of the present invention described above without departing from the scope of the invention. Therefore, the scope of the present invention should be determined by the content of the appended claims.
Claims (9)
1. An earphone comprises two earphones and an earphone wire connected with the earphones; the earphone comprises a shell and a sound production unit contained in the shell; it is characterized in that the preparation method is characterized in that,
a noise reduction microphone is respectively arranged in the two receivers, and a communication microphone is fixed on the earphone line; wherein,
the communication microphone and the two noise reduction microphones are used for carrying out uplink noise reduction on the earphone; and,
the two noise reduction microphones are used for carrying out downlink noise reduction on the earphone.
2. The headset of claim 1,
the noise reduction microphone processes the received voice signals, eliminates noise signals on two sides of human ears, and forms 8-shaped wave beams in the front-back direction of the head.
3. The headset of claim 2,
the call microphone performs parameter analysis on the received voice signal, judges the direction of the voice signal, eliminates the wave beam positioned at the back of the head, and forms a heart-shaped wave beam positioned at the front of the head.
4. The headset of claim 1,
the noise reduction microphone is an ANC microphone;
The conversation microphone is an ANC microphone, a capacitor microphone or an electrodynamic microphone.
5. The headset of claim 1,
and a fixed structure is arranged on the communication microphone.
6. The headset of claim 1,
the shell comprises a front cover and a rear cover which are connected in an adaptive mode, and the sound production unit and the corresponding noise reduction microphone are contained in the front cover and the rear cover.
7. The headset of claim 1,
the communication microphone is fixed on any earphone line, and the communication microphone and the two noise reduction microphones form a triangular structure.
8. The headset of claim 1,
the front cover is provided with a main sound output tube, and the main sound output tube is provided with an in-ear earmuff which is in adaptive connection.
9. The headset of claim 1,
a tuning sheet material for adjusting the acoustic performance of the sound production unit is pasted on the main sound output pipe; wherein,
the tuning sheet is mesh, sponge or non-woven fabric.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620199541.6U CN205430557U (en) | 2016-03-15 | 2016-03-15 | Earphone |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620199541.6U CN205430557U (en) | 2016-03-15 | 2016-03-15 | Earphone |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205430557U true CN205430557U (en) | 2016-08-03 |
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ID=56546977
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620199541.6U Active CN205430557U (en) | 2016-03-15 | 2016-03-15 | Earphone |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105848054A (en) * | 2016-03-15 | 2016-08-10 | 歌尔声学股份有限公司 | Earphone and noise reducing method thereof |
| CN107018461A (en) * | 2017-03-22 | 2017-08-04 | 广东欧珀移动通信有限公司 | Earphone and its noise-reduction method |
| CN107396223A (en) * | 2017-07-31 | 2017-11-24 | 歌尔股份有限公司 | The up noise-reduction method of earphone |
| CN107426643A (en) * | 2017-07-31 | 2017-12-01 | 歌尔股份有限公司 | Up noise cancelling headphone |
-
2016
- 2016-03-15 CN CN201620199541.6U patent/CN205430557U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105848054A (en) * | 2016-03-15 | 2016-08-10 | 歌尔声学股份有限公司 | Earphone and noise reducing method thereof |
| CN105848054B (en) * | 2016-03-15 | 2020-04-10 | 歌尔股份有限公司 | Earphone and noise reduction method thereof |
| CN107018461A (en) * | 2017-03-22 | 2017-08-04 | 广东欧珀移动通信有限公司 | Earphone and its noise-reduction method |
| CN107396223A (en) * | 2017-07-31 | 2017-11-24 | 歌尔股份有限公司 | The up noise-reduction method of earphone |
| CN107426643A (en) * | 2017-07-31 | 2017-12-01 | 歌尔股份有限公司 | Up noise cancelling headphone |
| WO2019024394A1 (en) * | 2017-07-31 | 2019-02-07 | 歌尔股份有限公司 | Uplink noise reducing earphone |
| CN107426643B (en) * | 2017-07-31 | 2019-08-23 | 歌尔股份有限公司 | Uplink noise cancelling headphone |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
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| CP01 | Change in the name or title of a patent holder |
Address after: 261031 Dongfang Road, Weifang high tech Industrial Development Zone, Shandong, China, No. 268 Patentee after: Goertek Inc. Address before: 261031 Dongfang Road, Weifang high tech Industrial Development Zone, Shandong, China, No. 268 Patentee before: Goertek Inc. |