CN209390258U - Ambient sound perception and impulse noise mitigation headphone - Google Patents
Ambient sound perception and impulse noise mitigation headphone Download PDFInfo
- Publication number
- CN209390258U CN209390258U CN201821996201.1U CN201821996201U CN209390258U CN 209390258 U CN209390258 U CN 209390258U CN 201821996201 U CN201821996201 U CN 201821996201U CN 209390258 U CN209390258 U CN 209390258U
- Authority
- CN
- China
- Prior art keywords
- earmuff
- headphone
- connect
- preamplifier
- operational amplifier
- 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.)
- Active
Links
Landscapes
- Headphones And Earphones (AREA)
Abstract
Ambient sound perception and impulse noise mitigation headphone, including the first pickup microphone and the first receiver, it further include audio operational amplifier, variable compressive preamplifier, earphone power amplifier, MCU processor and battery, the audio operational amplifier is connect with first pickup microphone, and the audio operational amplifier is connect with the variable compressive preamplifier, the variable compressive preamplifier is connect with the earphone power amplifier, the earphone power amplifier is connect with first receiver, and the earphone power amplifier is connect with the MCU processor, the battery is respectively the audio operational amplifier, the variable compressive preamplifier, the earphone power amplifier and MCU processor power supply.With user of service's long-distance radio communication when, can clearly hear the exchange sound of surrounding people without removing earphone also.
Description
Technical field
The utility model relates to technical field of acoustics, and in particular to ambient sound perception and impulse noise mitigation wear-type ear
Machine.
Background technique
Currently, traditional earphone is mainly used to send called use as communication terminal, only by the passive sound insulation of earmuff to decline
Noise abatement sound.And passively insulating against sound is to be worked by ear chamber to the barrier of sound, can only be had preferably to the medium-high frequency of sound
Effect.But perception of the human ear to extraneous acoustic information has also just been obstructed while noise isolating sound, and do not need most of the time
Protection, but to communicate with each other, this requires users of service must remove earphone, and it is very inconvenient to use.
Utility model content
For the defect for solving the above-mentioned prior art, the utility model provides ambient sound perception and impulse noise mitigation wear-type
Earphone.
The technical solution of the utility model is: ambient sound perception and impulse noise mitigation headphone, including the first ten
Sound microphone and the first receiver, further include audio operational amplifier, variable compressive preamplifier, earphone power amplifier,
MCU processor and battery, the audio operational amplifier are connect with first pickup microphone, and the audio operational amplifies
Device is connect with the variable compressive preamplifier, and the variable compressive preamplifier and the earphone power amplifier connect
It connects, the earphone power amplifier is connect with first receiver, and the earphone power amplifier and the MCU processor
Connection, the battery is respectively the audio operational amplifier, the variable compressive preamplifier, the earphone power amplification
Device and MCU processor power supply.
Preferably, first pickup microphone and first receiver are located in the first earmuff.
Preferably, first earmuff is connected with anti-noise transmitter.
Preferably, interface is equipped on first earmuff, the Interference fit, which is connected with, can export voice signal
Interface cable, and the interface is connect with the anti-noise transmitter and the first receiver.
Preferably, key group is equipped on first earmuff, the key group is connect with the MCU processor.
Preferably, first earmuff, which passes through, connects with the headband group for accommodating head part's grasping part with neck ring group
Equipped with the second earmuff, neck ring cable is equipped in the neck ring group.
Preferably, the second pickup microphone and the second receiver, the second pickup wheat are equipped in second earmuff
Gram wind connects the audio operational amplifier by neck ring cable, and second receiver connects the earphone by neck ring cable
Power amplifier and the interface.
Preferably, the audio operational amplifier, the variable compressive preamplifier, the earphone power amplifier and
The MCU processor is located in the first earmuff, and the battery is located in the second earmuff.
The utility model has the beneficial effects that ambient sound perception and impulse noise mitigation headphone, the first pickup Mike
Wind and the second transmitter acquisition ambient sound are carried out by audio operational amplifier at the amplification of selective filter and different multiples
After reason, then the voice signal handled is passed through into variable compressive preamplifier and is carried out at low level signal amplification and big signal compression
Reason carries out power amplification finally by Earphone Amplifier and exports to the first receiver and the second receiver, restored by receiver
Speech information, with user of service's long-distance radio communication when, can clearly hear the exchange of surrounding people without removing earphone also
Sound.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the configuration schematic diagram of the utility model；
Fig. 3 is the electrical block diagram of the utility model.
Specific embodiment
In order to make the technical problems, technical solutions and advantages to be solved by the utility model clearer, below in conjunction with attached drawing
And specific embodiment is described in detail.
Technical solutions of the utility model are as follows: ambient sound perception and impulse noise mitigation headphone, as shown in Figure 1,
It further include audio operational amplifier 101, pressure-variable as shown in Fig. 2 including the first pickup microphone 11 and the first receiver 12
Contracting preamplifier 102, earphone power amplifier 103, MCU processor 104 and battery 105, audio operational amplifier 101 are adopted
With TI company LMV series operational amplifier, variable compressive preamplifier 102 uses the preposition amplification of variable compressive of ADI company
Device SSM2165 chip, earphone power amplifier 103 is using the Earphone Amplifier of TI company, and MCU processor 104 is using STC15
Series monolithic；As shown in figure 3, audio operational amplifier 101 is connect with the first pickup microphone 11, audio operational amplifier
The enhanced processing of selective filter and different multiples, and sound are carried out in 101 voice signals for acquiring the first pickup microphone 11
Frequency operational amplifier 101 is connect with variable compressive preamplifier 102, and variable compressive preamplifier 102 puts audio operational
The voice signal that big device 101 exports carries out low level signal amplification processing and the processing of big signal compression, variable compressive preamplifier 102
It is connect with earphone power amplifier 103, earphone power amplifier 103 is connect with the first receiver 12, and the earphone power is put
Big device 103 is connect with the MCU processor 104, and battery 105 is respectively audio operational amplifier 101, the preposition amplification of variable compressive
Device 102, earphone power amplifier 103 and MCU processor 104 are powered；As shown in Fig. 2, the first pickup microphone 11 and first by
Words device 12 is located in the first earmuff 1；First earmuff 1 is connected with anti-noise transmitter 13；Interface 14 is equipped on the first earmuff 1,
Interface 14 is cooperatively connected equipped with the interface cable 15 that can export voice signal, and interface 14 and anti-noise transmitter 13 and first are called
Device 12 connects, and the interface cable 15 that anti-noise transmitter 13 connects the sound of speaking signal for acquiring user of service by interface 14 is defeated
Out on external communication equipment, realize and distant place people communication；Key group 16, key group 16 and MCU are equipped on the first earmuff 1
Processor 104 connects, and key group 16 completes the control to earphone；It is accommodated as shown in figure 3, first earmuff 1 passes through to have
The headband group 3 and neck ring group 4 of head part's grasping part are connected with the second earmuff 2, and neck ring is equipped in the neck ring group 4
Cable 41；The second pickup microphone 21 and the second receiver 22, second pickup microphone are equipped in second earmuff 2
21 connect the audio operational amplifier 101 by neck ring cable 41, and second receiver 22 is connected by neck ring cable 41
Connect the earphone power amplifier 103 and the interface 14；Audio operational amplifier 101, variable compressive preamplifier 102,
Earphone power amplifier 103 and MCU processor 104 are located in the first earmuff 1, and battery 105, which is located in the second earmuff 2, passes through neck
Loop wire cable 41 is audio operational amplifier 101, variable compressive preamplifier 102, earphone power amplifier 103 and MCU processing
Device 104 is powered；Or audio operational amplifier 101, variable compressive preamplifier 102, earphone power amplifier 103, MCU processing
Device 104 and battery 105 are located in the second earmuff；Or audio operational amplifier 101, variable compressive preamplifier 102, earphone function
Rate amplifier 103 and MCU processor 104 are located in the second earmuff 2, and battery 105 is located in the first earmuff 1 through neck ring cable 41
For the confession of audio operational amplifier 101, variable compressive preamplifier 102, earphone power amplifier 103 and MCU processor 104
Electricity.
When user of service wears the utility model earphone, surrounding people's exchange, when around having huge noise, by the first ten
Environmental sound signal around sound microphone 12 and the acquisition of the second pickup microphone 21 is exported to audio operational amplifier 101, sound
Collected voice signal is carried out the enhanced processing of selective filter and different multiples by frequency operational amplifier 101, then by environment
Voice signal exports to variable compressive preamplifier 102 and carries out low level signal amplification and the processing of big signal compression, it is ensured that communication letter
Stablize output number after being reduced to earphone power amplifier 103, realizes the plus and blowup for close sound of adjusting the distance, adjust the distance
The compression processing of remote sound, then by Earphone Amplifier 103 increase power output to the first receiver 12 and second by
Talk about device 22, achieve the effect that restore speech information, with user of service's long-distance radio communication when, also can be clear without removing earphone
The exchange sound for hearing surrounding people play the role of protecting user of service's hearing using simplicity.
The above is only the preferred embodiment of the present invention, is not intended to limit the protection scope of the utility model.
It is practical new to be all contained in this for any modification, equivalent substitution, improvement and etc. made within the spirit and principle of the present invention
In the protection scope of type.
Claims (8)
1. ambient sound perception and impulse noise mitigation headphone, including the first pickup microphone (11) and the first receiver
(12), it is characterised in that: further include that audio operational amplifier (101), variable compressive preamplifier (102), earphone power are put
Big device (103), MCU processor (104) and battery (105), the audio operational amplifier (101) and the first pickup Mike
Wind (11) connection, and the audio operational amplifier (101) is connect with the variable compressive preamplifier (102), it is described can
Variable compression preamplifier (102) is connect with the earphone power amplifier (103), the earphone power amplifier (103) with
First receiver (12) connection, and the earphone power amplifier (103) is connect with the MCU processor (104), it is described
Battery (105) is respectively the audio operational amplifier (101), the variable compressive preamplifier (102), the earphone function
Rate amplifier (103) and the MCU processor (104) power supply.
2. ambient sound according to claim 1 perception and impulse noise mitigation headphone, it is characterised in that: described the
One pickup microphone (11) and first receiver (12) are located in the first earmuff (1).
3. ambient sound according to claim 2 perception and impulse noise mitigation headphone, it is characterised in that: described the
One earmuff (1) is connected with anti-noise transmitter (13).
4. ambient sound perception according to claim 3 and impulse noise mitigation headphone, it is characterised in that: described
First earmuff (1) is equipped with interface (14), and the interface (14) is cooperatively connected equipped with the interface cable that can export voice signal
(15), and the interface (14) is connect with the anti-noise transmitter (13) and the first receiver (12).
5. ambient sound perception according to claim 4 and impulse noise mitigation headphone, it is characterised in that: described
First earmuff (1) is equipped with key group (16), and the key group (16) connect with the MCU processor (104).
6. ambient sound according to claim 5 perception and impulse noise mitigation headphone, it is characterised in that: described the
One earmuff (1), which passes through, is connected with the second earmuff with the headband group (3) and neck ring group (4) for accommodating head part's grasping part
(2), neck ring cable (41) are equipped in the neck ring group (4).
7. ambient sound perception according to claim 6 and impulse noise mitigation headphone, it is characterised in that: described
The second pickup microphone (21) and the second receiver (22) are equipped in second earmuff (2), second pickup microphone (21) is logical
It crosses neck ring cable (41) and connects the audio operational amplifier (101), second receiver (22) passes through neck ring cable (41)
Connect the earphone power amplifier (103) and the interface (14).
8. ambient sound perception according to claim 1 and impulse noise mitigation headphone, it is characterised in that: the sound
Frequency operational amplifier (101), the variable compressive preamplifier (102), the earphone power amplifier (103) and described
MCU processor (104) is located in the first earmuff (1), and the battery (105) is located in the second earmuff (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821996201.1U CN209390258U (en) | 2018-11-30 | 2018-11-30 | Ambient sound perception and impulse noise mitigation headphone |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821996201.1U CN209390258U (en) | 2018-11-30 | 2018-11-30 | Ambient sound perception and impulse noise mitigation headphone |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209390258U true CN209390258U (en) | 2019-09-13 |
Family
ID=67870077
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821996201.1U Active CN209390258U (en) | 2018-11-30 | 2018-11-30 | Ambient sound perception and impulse noise mitigation headphone |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209390258U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112235683A (en) * | 2020-11-20 | 2021-01-15 | 北京旋极信息技术股份有限公司 | Receiver-transmitter and ambient sound noise reduction method |
-
2018
- 2018-11-30 CN CN201821996201.1U patent/CN209390258U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112235683A (en) * | 2020-11-20 | 2021-01-15 | 北京旋极信息技术股份有限公司 | Receiver-transmitter and ambient sound noise reduction method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US8238567B2 (en) | Personal acoustic device position determination | |
| CN203761556U (en) | Double-microphone noise reduction earphone | |
| CN202841468U (en) | Bluetooth earphone with hearing-aid and anti-noise functions | |
| CN103856861A (en) | Active noise reduction system, noise reduction earphone and mobile terminal | |
| CN104092801A (en) | Intelligent terminal call noise reduction method and intelligent terminal | |
| JP2013529427A (en) | Speech enhancement method, apparatus and noise reduction communication headphones | |
| CN206698401U (en) | A kind of earphone for realizing diamylose gram noise reduction | |
| CN208079336U (en) | Multifunctional headphone system | |
| CN105554664A (en) | Headset based sound processing method and apparatus, and headset | |
| CN209218332U (en) | A kind of earphone with anti-dropping protection function | |
| CN209642920U (en) | Environment sensing noise reduction in-ear typed Bluetooth headset | |
| CN105230042A (en) | The denoise processing method of two microphones earphone and call sound intermediate frequency signal | |
| CN110856070B (en) | Initiative sound insulation earmuff that possesses pronunciation enhancement function | |
| CN202841470U (en) | Noise-canceling headphones | |
| CN209390258U (en) | Ambient sound perception and impulse noise mitigation headphone | |
| CN113992223A (en) | Built-in conversation system based on microphone array noise reduction | |
| CN206024050U (en) | A kind of noise cancelling headphone | |
| CN102209135A (en) | Device and method for reducing wind noise of mobile terminal | |
| CN208316970U (en) | earphone and communication system | |
| CN109089184A (en) | A kind of wear-type pickup noise reduction communication earphone | |
| CN212970064U (en) | Earphone of conversation anti-wind noise based on bone conduction technology | |
| CN105515682B (en) | The method and system realized transmitting using earphone interface, receive ultrasonic wave | |
| CN213152326U (en) | Earphone with dust-proof cover | |
| CN205195931U (en) | Headset | |
| CN205283527U (en) | Words system that receives that send of quick -witted bluetooth of arranging that half -duplex is wireless |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |