CN209002158U - A kind of headphone - Google Patents
A kind of headphone Download PDFInfo
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- CN209002158U CN209002158U CN201822189894.XU CN201822189894U CN209002158U CN 209002158 U CN209002158 U CN 209002158U CN 201822189894 U CN201822189894 U CN 201822189894U CN 209002158 U CN209002158 U CN 209002158U
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- microphone
- limiting groove
- telescopic straw
- noise
- auricular concha
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Abstract
The utility model discloses a kind of headphones, including two auricular conchas, the head beam being connected between two auricular conchas, limiting groove, telescopic straw and microphone；Wherein, the outside of auricular concha or the outside of head beam is arranged in the limiting groove；The bottom end of the telescopic straw is rotatably installed in the limiting groove；The microphone is mounted on the top of the telescopic straw；When being conversed by earphone, the telescopic straw is screwed out from the limiting groove, and is in stretching state, is made the mouth of the microphone alignment wearer, is picked up voice signal；When playing music by earphone, the telescopic straw is in retracted mode and is located in the limiting groove, picks up environmental noise by the microphone.Traditional call microphone and noise reduction microphone are combined into one by the utility model, are only needed one microphone of configuration that call function and ANC decrease of noise functions can be realized on headphone, are reduced the assembling difficulty of hardware cost and earphone.
Description
Technical field
The utility model belongs to ear phone technology field, is related to a kind of headphone, specifically, being to be related to a kind of application
In the microphone design of headphone.
Background technique
Headphone with call function can all configure the voice that call microphone picks up wearer, realize call function
Energy.More high-end headphone can also configure noise reduction microphone, pick up ambient noise when playing music by earphone, real
Existing decrease of noise functions.
Fig. 1 shows a kind of existing headphone with call function and decrease of noise functions, including call microphone 1
With noise reduction microphone 2.Wherein, call microphone 1 passes through the outside that flexible straw 3 is rotatably connected to auricular concha 4；Meanwhile
The outer side opening of the auricular concha 4, noise reduction microphone 2 is laid in the hole.In call, flexible straw 3 is rotated down,
Call microphone 1 is set to carry out uplink call transfer close to the mouth position of wearer to pick up the call voice of wearer.?
When playing music, the environmental noise outside earphone is picked up using noise reduction microphone 2, using ANC(Active noise
Control after) active noise reduction techniques carry out reverse phase processing to the environmental noise that receives, be superimposed with the noise for entering human ear to
Disappear, thus reaches noise reduction effect.Two microphones 1,2 are independently arranged, and complete respective function.
Mode is laid using above-mentioned traditional microphone on headphone, is primarily present following tripartite's planar defect:
(1) device that needs to assemble in auricular concha 4 in many cases, can be very much, such as loudspeaker, battery etc., because of size and
Appearance requirement increases noise reduction microphone 2 on auricular concha 4 and has very big difficulty；
(2) it is in order to listen to music, rather than in order to converse that user wears headphone in most cases；It is listened in user
When music, call microphone 1 is taken less than, this results in call microphone 1 to be in idle state in most times, makes
At the waste of resource；
(3) it during non-call, needs for flexible straw 3 to be rotated up, holds up flexible straw 3, converse Mike at this time
Wind 1 can generate a degree of influence close to the crown position of wearer, this aesthetics moulded on earphone.
Summary of the invention
It, can be with the purpose of this utility model is to provide a kind of microphone assembly structure design suitable for headphone
Call and two kinds of functions of ANC noise reduction are realized using a microphone.
In order to solve the above technical problems, the utility model is achieved using following technical scheme:
A kind of headphone, including two auricular conchas, the head beam being connected between two auricular conchas, limiting groove, telescopic
Straw and microphone；Wherein, the outside of auricular concha or the outside of head beam is arranged in the limiting groove；The telescopic straw
Bottom end is rotatably installed in the limiting groove；The microphone is mounted on the top of the telescopic straw；Passing through
When earphone is conversed, the telescopic straw is screwed out from the limiting groove, and is in stretching state, is directed at the microphone
The mouth of wearer picks up voice signal；When playing music by earphone, the telescopic straw is in retracted mode and position
In in the limiting groove, environmental noise is picked up by the microphone.
Further, audio codec and processor are additionally provided in the headphone；Wherein, the audio
Codec receives the voice signal that the microphone picks up or environmental noise signal, and encode generate voice audio data or
Environmental noise audio data；The processor receives the audio data of the audio codec output, plays by earphone
When music, the environmental noise audio data received is handled using ANC active noise reduction techniques, generates and believes with environmental noise
Number waveform is identical, opposite in phase anti-noise signal drives the loudspeaker in auricular concha defeated after being transmitted to the audio codec decoding
Antinoise out.The antinoise can be superimposed with environmental noise, generate interference cancellation phenomenon, to balance out the environment for entering human ear
Noise.
In order to allow adjusting of the headphone according to user to microphone position, automatically into corresponding Working mould
Formula, the utility model are additionally provided with photosensitive sensors in the headphone, are mounted in the limiting groove, according to screening
Gear state generates detection signal and is sent to the processor；The processor when detecting that the photosensitive sensors are blocked,
Noise reduction mode is opened, the audio signal that microphone is picked up is considered as environmental noise；Conversely, the processor detect it is described
When photosensitive sensors are not blocked, call mode is opened, the audio signal that microphone is picked up is considered as call voice.
It is described flexible when the outside of auricular concha is arranged in the limiting groove in order to improve the pickup effect of environmental noise
Formula straw after being retracted into limiting groove, the position of microphone described in preferred design without departing from auricular concha outer profile, so as to pick up
The environmental noise arrived is the ambient noise of auricular concha position, rather than the ambient noise around earphone.
In order to during picking up environmental noise, reduce pickup of the microphone to wearer's breath sound, the utility model
The telescopic straw is designed after being retracted into limiting groove, allows extending direction of the microphone towards head beam far from auricular concha,
So that microphone can be as far as possible far from the face of wearer.
When the outside of head beam is arranged in the limiting groove, in order to improve the pickup effect of environmental noise, preferred design
The end of installation position proximity heads beam of the limiting groove on head beam, and the telescopic straw is being retracted into limiting groove
Afterwards, make the position of the microphone without departing from the outer profile of auricular concha.
Preferably, the length direction of the limiting groove is parallel to the extending direction of a beam, and the telescopic straw is contracting
After returning to limiting groove, extending direction of the microphone towards head beam far from auricular concha is picked up to avoid microphone to wearer
Breath sound.
Preferably, the bottom end of the telescopic straw is mounted in the limiting groove by shaft, the axis of the shaft
The heart is preferably coaxial with the center of circle of auricular concha, and length of the telescopic straw under retracted mode is more preferably less than the half of the auricular concha
Diameter.
In order to further increase noise reduction effect, the utility model is preferably respectively set described in one group on two auricular conchas in left and right
Limiting groove, telescopic straw and microphone；When playing music by earphone, the processor utilizes left side microphone to pick up
The environmental noise taken carries out noise reduction to the music that left side loudspeaker play, and the environmental noise picked up using right side microphones is to right side loudspeaker
The music of broadcasting carries out noise reduction, it is possible thereby to solve the drop under environmental noise different situations of the wearer at left and right sides of earphone
It makes an uproar problem, further to improve the output sound quality of earphone.
Compared with prior art, the advantages and positive effects of the utility model are as follows: the utility model is by traditional call wheat
Gram wind and noise reduction microphone are combined into one, only needed on headphone one microphone of configuration can be realized call function and
ANC decrease of noise functions reduces the assembling difficulty of hardware cost and earphone.By the way that microphone is mounted on telescopic straw, when
When telescopic straw extends, microphone can be made closer apart from the mouth of wearer, to be more conducive to pick up the voice of wearer.
When telescopic straw to be retracted in limiting groove, microphone can be made closer to the auricular concha position of earphone, to be more conducive to
The environmental noise for accurately collecting auricular concha position enhances when wearer listens to music so that noise reduction effect is more significant
Feeling of immersion improves user experience.
After the detailed description of the utility model embodiment is read in conjunction with the figure, other features and advantages of the utility model
It will become clearer.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of embodiment of existing headphone；
Fig. 2 is that the headphone that the utility model is proposed is in a kind of reality under stretching state in its telescopic straw
Apply the structural schematic diagram of example；
Fig. 3 is that the headphone that the utility model is proposed is in a kind of reality under retracted mode in its telescopic straw
Apply the structural schematic diagram of example；
Fig. 4 is a kind of schematic block circuit diagram of the embodiment for the headphone that the utility model is proposed；
Fig. 5 is the schematic block circuit diagram of another embodiment of the headphone that the utility model is proposed.
Specific embodiment
Specific embodiment of the present utility model is described in more detail with reference to the accompanying drawing.
Referring to fig. 2, shown in Fig. 3, the headphone of the present embodiment is in order to call function and ANC decrease of noise functions to be incorporated into
Realized on one microphone, on the auricular concha 24 of headphone or connection headphone the auricular concha of left and right two 24,25
Between head beam 20 on limiting groove 15 is set, and telescopic straw 10 is installed in limiting groove 15, designs described telescopic
Straw 10 and limiting groove 15 are rotatablely connected, and are rotated telescopic straw 10 relative to limiting groove 15 and are stretched out the limit
Position groove 15, as shown in Fig. 2, rotate and be retracted to the limiting groove 15, as shown in Figure 3.Microphone 14 is mounted on
On the telescopic straw 10, when conversing by earphone, the telescopic straw 10 is extended, so that microphone 14 is directed at earphone and wears
The mouth position of wearer, more accurately to pick up the call voice of wearer；When playing music by earphone, stretched described in retraction
Contracting formula straw 10, makes microphone 14 far from the face of wearer, and is located at the region where auricular concha 24 or 25, and thus, it is possible to more
The environmental noise to auricular concha 24 or 25 positions is picked up, accurately to reduce influence of the ambient noise to wearer's audition.
As a kind of preferred structure scheme of the present embodiment, the limiting groove 15 is preferably designed to strip, and length
It is oriented parallel to the extending direction of a beam 20.It is preferred that the bottom end 11 of telescopic straw 10 is connected to limiting groove by shaft 13
Microphone 14 is mounted on the top 12 of telescopic straw 10 by 15 lower end.The total length for rationally designing telescopic straw 10, makes
When telescopic straw 10 is screwed out from limiting groove 15 and extended to extreme position, no matter which kind of human body can make microphone 14 right
The mouth of quasi- wearer, to reduce environmental noise to the interference effect of call voice.It contracts in addition, rationally designing telescopic straw 10
The minimum length of extreme position, i.e. length shown in Fig. 3 under state are returned to, telescopic straw 10 is enable to be fully accommodated in limit
In groove 15, and extending direction of the microphone 14 towards head beam 20 far from auricular concha 24, positional relationship, that is, microphone as shown in Figure 3
14 upward, so that microphone 14 can avoid picking up the breath sound for arriving wearer as far as possible far from the face of wearer.In addition, excellent
Choosing designs telescopic straw 10 after being retracted to limiting groove 15, the position of microphone 14 without departing from auricular concha 24 outer profile, by
This environmental noise that microphone 14 can be made to pick up is the ambient noise of 24 position of auricular concha, rather than around earphone
Ambient noise.ANC noise reduction, energy are carried out to the music that the loudspeaker in auricular concha 24 play using the ambient noise of 24 position of auricular concha
It is enough more accurately to eliminate the noise for entering human ear, promote audio.
When the limiting groove 15 is laid in the outside of a beam 20, limiting groove 15 described in preferred design is in head beam 20
On installation position proximity heads beam 20 end 21, as shown in Figure 2.For example, the end 21 of head beam 20 can be mounted on auricular concha
24 center position on the lower side, by 13 Position Design of axle center of the shaft 13 of telescopic straw 10 at coaxial with the center of circle of auricular concha 24,
And the radius that length of the telescopic straw 10 under retracted mode is less than the auricular concha 24 is designed, thus, it is possible to guarantee telescopic
Straw 10 is after being retracted to limiting groove 15, the outer profile of the position of microphone 14 without departing from auricular concha 24.
The present embodiment can also further install sponge 22 on the head beam 20 of headphone, as shown in Fig. 2, to improve
The comfort that earphone is worn.In addition, the acceptable further mounting elastic sheet 23 on head beam 20, is worn with adapting to the earphone of different head circumferences
Wearer.
In order to allow adjusting of the headphone of the present embodiment according to wearer to microphone position, automatically enter
Corresponding operating mode, the present embodiment are additionally provided with photosensitive sensors 16 in the limiting groove 15, as shown in Figure 2.When logical
When words, telescopic straw 10 screws out limiting groove 15, keeps photosensitive sensors 16 exposed；When listening to music, telescopic straw 10 contracts
It is back to limiting groove 15, shelters from the photosensitive sensors 16.Photosensitive sensors 16 generate different inspections according to its occlusion state
It surveys signal (for example, exporting high level under occlusion state, exporting low level under non-occlusion state) and is sent to the system inside earphone
Circuit, to automatically turn on call mode, the audio that microphone 14 is picked up when telescopic straw 10 screws out limiting groove 15
Signal is considered as call voice；And when telescopic straw 10 is retracted to limiting groove 15, noise reduction mode is automatically turned on, by microphone
14 audio signals picked up are considered as environmental noise.Thus, it is possible to improve the intelligent level of earphone, promote user uses body
It tests.
Fig. 4 shows a kind of system circuit design of embodiment of headphone, including processor, audio codec
Equal chief components.Wherein, audio codec is separately connected described for carrying out coding and decoding processing to audio signal
Microphone 14 and the loudspeaker being laid in auricular concha 24.For voice signal or the environmental noise letter received by microphone 14
Number, after being first transmitted to audio codec coding generation voice audio data or environmental noise audio data, it is sent to institute
State processor.Communication interface is set on headphone, connects the processor.The communication interface can be Bluetooth circuit
The equal wireline interfaces such as wireless communication interfaces or USB circuit, for connecting host, the other side that receiving host is sent converses language
The audio stream of sound data or music is transmitted to after processor handled, is sent to audio codec and is decoded, in turn
The loudspeaker in auricular concha 24 are pushed to export other side's voice or music by voice-grade channel.
In the present embodiment, the processor connects photosensitive sensors 16, is believed according to the detection that photosensitive sensors 16 export
Number automatically control earphone enter corresponding operating mode.For example, processor receives light on the circuit system of earphone after electricity operation
The detection signal that propagated sensation sensor 16 exports indicates telescopic wheat at this time when processor detects that photosensitive sensors 16 are blocked
Bar 10 is retracted in limiting groove 15, and processor control system program enters noise reduction process, by the collected audio of microphone 14
Signal is considered as environmental noise automatically.When wearer plays music by earphone, around the music and auricular concha 24 of loudspeaker output
Environmental noise can enter the ear of wearer together.In order to reach noise reduction effect, processor starts microphone 14 and acquires auricular concha 24
The environmental noise signal of surrounding is sent to the place after being transmitted to audio codec coding build environment noise audio data
Manage device.Processor carries out reverse phase processing, generation and ring to the environmental noise audio data received using ANC active noise reduction techniques
Border noise signal waveform is identical, opposite in phase (180 ° of phase phase difference) anti-noise signal, after being transmitted to audio codec decoding,
The loudspeaker in auricular concha 24 are driven to export noise resistance.Noise resistance and environmental noise are overlapped mutually counteracting when meeting, generate interference cancellation
Phenomenon achievees the purpose that eliminate environmental noise.
When processor detects that photosensitive sensors 16 are not blocked, indicate that telescopic straw 10 screws out limiting groove at this time
15, processor control system program enters call process, and the collected audio signal of microphone 14 is considered as call voice automatically.
When wearer is conversed by earphone, microphone 14 is adjusted to mouth position, the voice of wearer is picked up by microphone 14
Signal, and be transmitted to audio codec coding generate voice audio data after, be sent to the processor.Processor will receive
To voice audio data host is sent to by communication interface, to realize call function.
DC/DC voltage regulator circuit in Fig. 4 can connect the battery in earphone, and cell voltage is converted into load required work
Make voltage, is the load supplyings such as processor, audio codec, photosensitive sensors.
In order to further enhance the noise reduction effect of headphone, the present embodiment is preferably the left and right of headphone two
The limiting groove 15, telescopic straw 10, Mike is arranged in the outside of auricular concha 24,25 or the both side ends of head beam 20 respectively
Wind 14 and photosensitive sensors 16 lay the noted earlier of mode such as the present embodiment.Fig. 5 shows the system electricity of such headset designs
Left side microphone and right side microphones are respectively connected to the audio codec by road, by left side photosensitive sensors and right side
Photosensitive sensors are respectively connected to the processor.
When processor detects that left side photosensitive sensors and right side photosensitive sensors are blocked, into noise reduction mode,
Starting left side microphone and right side microphones acquire the environmental noise around left side auricular concha 24 and right side auricular concha 25 respectively, and use
ANC active noise reduction techniques generate left side anti-noise signal and right side anti-noise signal respectively, after decoding via audio codec, respectively
Driving left side loudspeaker output left side noise resistance, is superimposed counteracting with the environmental noise for entering the left ear of wearer, while driving right side loudspeaker
Output right side noise resistance, is superimposed counteracting with the environmental noise for entering wearer's auris dextra.Even if wearer is in its left and right as a result,
In the visibly different environment of two sides noise, good ambient noise inhibitory effect can also be played.
When one in the photosensitive sensors that processor detects arranged on left and right sides is blocked, when another is not blocked,
Into call mode.The present embodiment is not blocked with left side photosensitive sensors, and right side photosensitive sensors are said for being blocked
It is bright.Starting left side microphone and right side microphones acquire audio signal, at this point, processor is by the collected audio of left side microphone
Signal is considered as the voice signal of wearer, and the collected audio signal of right side microphones is considered as environmental noise.It is compiled and is solved using audio
Code device carries out coded treatment to the collected audio signal of arranged on left and right sides microphone respectively, generates voice audio data and environment
Noise audio data is sent to the processor.Processor makes an uproar to the environment received using dual microphone call noise reduction technology
After sound audio data carries out reverse phase processing, carries out adding operation with the voice audio data received, thus can eliminate voice
Environmental noise audio data in audio data, then will treated voice audio data by communications interface transmission to head
The connected host of headset realizes call decrease of noise functions.
When processor detects that the photosensitive sensors of arranged on left and right sides are not blocked, earphone output prompt can be passed through
Sound reminds wearer that microphone is adjusted to suitable position.Alternatively, directly according to the operating mode for the host being connected with earphone
It controls earphone and enters corresponding operating mode.Specifically, if host is playing music or audio/video program, earphone into
Enter noise reduction mode, the environmental noise picked up using left side microphone carries out noise reduction to the music that left side loudspeaker play, and utilizes right side
The environmental noise that microphone picks up carries out noise reduction to the music that right side loudspeaker play, but noise reduction effect may be ideal not to the utmost.If main
Machine works in the talk mode, then earphone enters call mode, starts the microphones pick up speech signal of wherein side, via sound
After frequency codec coding, communication interface is controlled by processor and is sent to host, does not execute call decrease of noise functions, to ensure to wear
Effective transmission of wearer's voice.
Certainly, the above description is not intended to limit the present invention, and the utility model is also not limited to the example above,
The variations, modifications, additions or substitutions that those skilled in the art are made in the essential scope of the utility model,
It should also belong to the protection scope of the utility model.
Claims (9)
1. a kind of headphone, including two auricular conchas and the head beam being connected between two auricular conchas, which is characterized in that also wrap
It includes:
The outside of auricular concha or the outside of head beam is arranged in limiting groove；
Telescopic straw, bottom end are rotatably installed in the limiting groove；
Microphone is mounted on the top of the telescopic straw；When being conversed by earphone, the telescopic straw is from described
It is screwed out in limiting groove, and is in stretching state, made the mouth of the microphone alignment wearer, pick up voice signal；Logical
When crossing earphone broadcasting music, the telescopic straw is in retracted mode and is located in the limiting groove, passes through the Mike
Wind picks up environmental noise.
2. headphone according to claim 1, which is characterized in that further include:
Audio codec receives voice signal or environmental noise signal that the microphone picks up, and encodes generation language
Sound audio data or environmental noise audio data；
Processor receives the audio data of the audio codec output, when playing music by earphone, generation and ring
Border noise signal waveform is identical, opposite in phase anti-noise signal, after being transmitted to the audio codec decoding, drives in auricular concha
Loudspeaker export noise resistance.
3. headphone according to claim 2, which is characterized in that further include photosensitive sensors, be mounted on described
In limiting groove, detection signal is generated according to occlusion state and is sent to the processor；The processor is detecting the light
When propagated sensation sensor is blocked, the audio signal that microphone is picked up is as environmental noise；The processor detect it is described
When photosensitive sensors are not blocked, the audio signal that microphone is picked up is as call voice.
4. headphone according to claim 1, which is characterized in that when the outside of auricular concha is arranged in the limiting groove
When, the telescopic straw is after being retracted into limiting groove, the outer profile of the position of the microphone without departing from auricular concha.
5. headphone according to claim 4, which is characterized in that the telescopic straw is being retracted into limiting groove
Afterwards, extending direction of the microphone towards head beam far from auricular concha.
6. headphone according to claim 1, which is characterized in that when the outside of head beam is arranged in the limiting groove
When, the end of installation position proximity heads beam of the limiting groove on head beam, and the telescopic straw is being retracted into limit
After groove, the outer profile of the position of the microphone without departing from auricular concha.
7. headphone according to claim 6, which is characterized in that the length direction of the limiting groove is parallel to head
The extending direction of beam, the telescopic straw is after being retracted into limiting groove, the microphone prolonging far from auricular concha towards head beam
Stretch direction.
8. headphone according to claim 7, which is characterized in that pacified by shaft the bottom end of the telescopic straw
In the limiting groove, the axle center of the shaft and the center of circle of auricular concha are coaxial, and the telescopic straw is under retracted mode
Length be less than the auricular concha radius.
9. the headphone according to any one of claim 2 to 8, which is characterized in that divide on two auricular conchas in left and right
Limiting groove described in one group is not arranged, telescopic straw and microphone；When playing music by earphone, the processor benefit
Noise reduction is carried out to the music that left side loudspeaker play with the environmental noise that left side microphone picks up, the ring picked up using right side microphones
Border noise carries out noise reduction to the music that right side loudspeaker play.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822189894.XU CN209002158U (en) | 2018-12-25 | 2018-12-25 | A kind of headphone |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822189894.XU CN209002158U (en) | 2018-12-25 | 2018-12-25 | A kind of headphone |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209002158U true CN209002158U (en) | 2019-06-18 |
Family
ID=66808473
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822189894.XU Active CN209002158U (en) | 2018-12-25 | 2018-12-25 | A kind of headphone |
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| Country | Link |
|---|---|
| CN (1) | CN209002158U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109361975A (en) * | 2018-12-25 | 2019-02-19 | 歌尔科技有限公司 | A kind of headphone |
-
2018
- 2018-12-25 CN CN201822189894.XU patent/CN209002158U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109361975A (en) * | 2018-12-25 | 2019-02-19 | 歌尔科技有限公司 | A kind of headphone |
| CN109361975B (en) * | 2018-12-25 | 2024-04-02 | 歌尔科技有限公司 | Headset |
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