CN105848025B - A kind of wireless K song earphone - Google Patents
A kind of wireless K song earphone Download PDFInfo
- Publication number
- CN105848025B CN105848025B CN201610080012.9A CN201610080012A CN105848025B CN 105848025 B CN105848025 B CN 105848025B CN 201610080012 A CN201610080012 A CN 201610080012A CN 105848025 B CN105848025 B CN 105848025B
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- module
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- earphone
- operational amplifier
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/10—Earpieces; Attachments therefor ; Earphones; Monophonic headphones
- H04R1/1008—Earpieces of the supra-aural or circum-aural type
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R3/00—Circuits for transducers, loudspeakers or microphones
- H04R3/02—Circuits for transducers, loudspeakers or microphones for preventing acoustic reaction, i.e. acoustic oscillatory feedback
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Otolaryngology (AREA)
- Circuit For Audible Band Transducer (AREA)
Abstract
The invention belongs to audio frequency apparatus technical fields more particularly to a kind of wireless K to sing earphone.In embodiments of the present invention, first pickup module of wireless K song earphone is located at outside closed earmuff, the loudspeaker of wireless K song earphone are embedded in closed earmuff, music signal and the first pickup signal are played out, earphone horn output sound pressure level is small, and user puts on completely isolated acoustic feedback approach after earmuff, avoid the generation for phenomenon of uttering long and high-pitched sounds, in addition, since K song equipment is replaced with earphone by external sound equipment, neighbours' rest is not interfered with, K singer can sing happy ground K at any time, and this is wireless, and K song earphone includes set of headphones, more people K song simultaneously may be implemented.
Description
Technical field
The invention belongs to audio frequency apparatus technical fields more particularly to a kind of wireless K to sing earphone.
Background technique
For earphone as a kind of converting unit, it receives the electric signal that media player or receiver issue, using close to ear
Piece loudspeaker convert it into the sound wave that can be heard, therefore, earphone is widely used in daily life.
Now, K song is as a kind of common recreation, in people's lives, gives pleasure in KTV
There are K song wheat, K song system in happy place, but is all wired, inconvenient to use, and the phenomenon that also utter long and high-pitched sounds, meeting in this way
The K for influencing people sings quality.
In addition, existing K song equipment generallys use external sound equipment, when K, which is sung, to carry out, can disturb by making noise to neighbours, it is especially late
On influence whether the rest of neighbours, but also K singer can not sing happy ground K at any time.
Summary of the invention
The embodiment of the present invention is designed to provide a kind of wireless K song earphone, it is intended to solve to deposit using wired K song wheat now
The problem of uttering long and high-pitched sounds phenomenon and will affect neighbours.
The embodiments of the present invention are implemented as follows, a kind of wireless K song earphone, including a closed earmuff, the wireless K song
Earphone further include:
Outside the closed earmuff, sound is acquired, generates the first pickup module of the first pickup signal；
It is connect with audiogenic device, receive music signal and the first pickup signal is sent to the first nothing of the audiogenic device
Line transceiver module；
It is connect with first pickup module, the first amplification module that first pickup signal is amplified；
It is connect respectively with first radio receiving transmitting module and the first amplification module, to the music signal and the first pickup
First mixing module of signal progress mixed processing；
The second amplification module being connect with first mixing module；
Connect with second amplification module, to Jing Guo enhanced processing music signal and the first pickup signal play out
Loudspeaker, the loudspeaker are embedded in the closed earmuff.
In embodiments of the present invention, the first pickup module of wireless K song earphone is located at outside closed earmuff, and wireless K sings ear
The loudspeaker of machine are embedded in closed earmuff, are played out to music signal and the first pickup signal, and earphone horn exports acoustic pressure
Grade is small, and user puts on completely isolated acoustic feedback approach after earmuff, avoids the generation for phenomenon of uttering long and high-pitched sounds, in addition, due to by K
It sings equipment and earphone is replaced with by external sound equipment, do not interfere with neighbours' rest, K singer can sing happy ground K at any time, and
This is wireless, and K song earphone includes set of headphones, and more people K song simultaneously may be implemented.
Detailed description of the invention
Fig. 1 is the shape assumption diagram of wireless K song earphone provided in an embodiment of the present invention；
Fig. 2 is the function structure chart for the wireless K song earphone that first embodiment of the invention provides；
Fig. 3 is the function structure chart for the wireless K song earphone that second embodiment of the invention provides；
Fig. 4 is the function structure chart for the wireless K song earphone that third embodiment of the invention provides；
Fig. 5 is the function structure chart for the wireless K song earphone that fourth embodiment of the invention provides；
Fig. 6 is the function structure chart for the wireless K song earphone that fifth embodiment of the invention provides；
Fig. 7 is the function structure chart for the wireless K song earphone that sixth embodiment of the invention provides；
Fig. 8 is the function structure chart for the wireless K song earphone that seventh embodiment of the invention provides；
Fig. 9 is the function structure chart for the wireless K song earphone that eighth embodiment of the invention provides；
Figure 10 is the function structure chart for the wireless K song earphone that ninth embodiment of the invention provides；
Figure 11 is the circuit structure diagram of the first radio receiving transmitting module provided in an embodiment of the present invention；
Figure 12 shows the circuit structure diagram of equalizer module provided in an embodiment of the present invention；
Figure 13 shows the circuit structure diagram of reverb module provided in an embodiment of the present invention.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to the accompanying drawings and embodiments, right
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.
Fig. 1 shows the contour structures of wireless K song earphone provided in an embodiment of the present invention, and Fig. 2 shows the present invention first
The modular structure for the wireless K song earphone that embodiment provides illustrates only portion relevant to the embodiment of the present invention for ease of description
Point.
A kind of wireless K song earphone, including closed earmuff, the wireless K sing earphone further include:
Outside the closed earmuff, sound is acquired, generates the first pickup module 4 of the first pickup signal；
It is connect with audiogenic device, receive music signal and the first pickup signal is sent to the first nothing of the audiogenic device
Line transceiver module 1；
It is connect with first pickup module 4, the first amplification module 5 that first pickup signal is amplified；
It is connect respectively with first radio receiving transmitting module 1 and the first amplification module 5, to the music signal and the first ten
First mixing module 2 of sound signal progress mixed processing；
The second amplification module 3 being connect with first mixing module 2；
Connect with second amplification module 3, to Jing Guo enhanced processing music signal and the first pickup signal broadcast
The loudspeaker 9 put, the loudspeaker 9 are embedded in the closed earmuff.
Fig. 3 shows the modular structure of the wireless K song earphone of second embodiment of the invention offer, for ease of description, only
Show part related to the embodiment of the present invention.
As an embodiment of the present invention, the wireless K sings earphone further include:
For receiving the first receiving module 6 of the second pickup signal；
Respectively with first radio receiving transmitting module 1, the first mixing module 2, the first receiving module 6 and the first amplification module
5 connections carry out the second mixing module 7 of mixed processing to first pickup signal and the second pickup signal；
It is connect with first mixing module 2, to the music signal Jing Guo mixed processing, the first pickup signal and
The first sending module 8 that two pickup signals are sent.
Fig. 4 shows the modular structure of the wireless K song earphone of third embodiment of the invention offer, for ease of description, only
Show part related to the embodiment of the present invention.
As an embodiment of the present invention, the wireless K sings earphone further include:
It is connect respectively with first radio receiving transmitting module 1, the first mixing module 2 and the first amplification module 5, to described
One pickup signal carries out the equalizer module 10 of airflow noise and frequency response adjustment.
The effect of equalizer module 10 is to can be to cut low frequency, removes airflow noise.
Fig. 5 shows the modular structure of the wireless K song earphone of fourth embodiment of the invention offer, for ease of description, only
Show part related to the embodiment of the present invention.
As an embodiment of the present invention, the wireless K sings earphone further include:
It is connect respectively with first radio receiving transmitting module 1, the first mixing module 2 and the second mixing module 7, to described
One pickup signal and the second pickup signal carry out the equalizer module 10 of airflow noise and frequency response adjustment.
Fig. 6 shows the modular structure of the wireless K song earphone of fifth embodiment of the invention offer, for ease of description, only
Show part related to the embodiment of the present invention.
As an embodiment of the present invention, the wireless K sings earphone further include:
It is connect respectively with first radio receiving transmitting module 1, the first mixing module 2 and the first amplification module 5, to described
The reverb module 11 of one pickup signal progress reverberation processing.
It is illustrated in figure 7 sixth embodiment, compared with the 5th embodiment, the position of reverb module 11 is different.
Reverb module 11 makes the first pickup signal (voice) effect returned and heard more preferable.
Fig. 8 shows the modular structure of the wireless K song earphone of seventh embodiment of the invention offer, for ease of description, only
Show part related to the embodiment of the present invention.
As an embodiment of the present invention, the wireless K sings earphone further include:
It is connect respectively with first radio receiving transmitting module 1, the first mixing module 2 and the second mixing module 7, to described
One pickup signal and the second pickup signal carry out the reverb module 11 of reverberation processing.
It is illustrated in figure 9 the 8th embodiment, compared with the 7th embodiment, the position of reverb module 11 is different.
Reverb module 11, which allows, returns the first pickup signal heard and the second pickup signal (voice) effect is more preferable.
Figure 10 shows the modular structure of the wireless K song earphone of ninth embodiment of the invention offer, for ease of description, only
Show part related to the embodiment of the present invention.
As an embodiment of the present invention, the wireless K song earphone further includes set of headphones 12, and the set of headphones 12 includes successively
Connected the second pickup module 121, third amplification module 122 and the second sending module 123, second sending module 123 with
First receiving module 6 carries out signal interaction communication, and the set of headphones further includes the second receiving module the 124, the 4th being sequentially connected
Amplification module 125 and the second loudspeaker 126, second receiving module 124 and the first sending module 8 carry out signal interaction communication.
As an embodiment of the present invention, first receiving module 6, the first sending module 8, the second receiving module 124,
Two sending modules 123 use wireless module or wired module.
In this way, more people can carry out K song chorus interaction by earphone, and the rest of neighbours will not be influenced.
Figure 11 shows the circuit structure of the first radio receiving transmitting module provided in an embodiment of the present invention, for ease of description,
Only parts related to embodiments of the present invention are shown.
As this bright embodiment, first radio receiving transmitting module 1 includes:
Radio transmitting and receiving chip U1, operational amplifier U2A, operational amplifier U2B, capacitor C1, capacitor C2, capacitor C3, capacitor
C4, capacitor C5, capacitor C6, resistance R1, resistance R2, resistance R3, resistance R4, resistance R5, resistance R6, resistance R7, resistance R8, resistance
R9 and resistance R10；
The antenna end RF of the radio transmitting and receiving chip U1 is wirelessly connected by antenna and audiogenic device, the wireless receiving and dispatching core
The first right channel end R1 of piece U1 connects the inverting input terminal of the operational amplifier U2A by the capacitor C1 and resistance R1 that concatenate,
The second right channel end R2 of the radio transmitting and receiving chip U1 meets the operational amplifier U2A by the capacitor C2 and resistance R2 concatenated
Non-inverting input terminal, the output of the operational amplifier U2A terminates first mixing module 2, and the resistance R7 is connected to institute
It states between the inverting input terminal and output end of operational amplifier U2A, the power supply termination power VCC of the operational amplifier U2A, institute
State the ground terminal ground connection of operational amplifier U2A, the capacitor C3 that the first L channel end L1 of the radio transmitting and receiving chip U1 passes through concatenation
The inverting input terminal of the operational amplifier U2B is connect with resistance R4, the second L channel end L2 of the radio transmitting and receiving chip U1 is logical
The capacitor C4 and resistance R5 that cross concatenation connect the non-inverting input terminal of the operational amplifier U2B, the output of the operational amplifier U2B
First mixing module 2 is terminated, the resistance R9 and resistance R10 are connected between the power supply VCC and ground, the resistance R9
The non-inverting input terminal for meeting the operational amplifier U2A by the resistance R3 respectively with the public connecting end of resistance R10, passes through institute
The non-inverting input terminal that resistance R6 meets the operational amplifier U2B is stated, the capacitor C5 is connected between the power supply VCC and ground,
The capacitor C6 is connected between the resistance R9 and the public connecting end and ground of resistance R10, and the resistance R8 is connected to described
Between the inverting input terminal and output end of operational amplifier U2B, the audio input end MIC+ of the radio transmitting and receiving chip U1 and
MIC- connects first amplification module 5 respectively.
Figure 12 shows the circuit structure of equalizer module provided in an embodiment of the present invention, for ease of description, only shows
Part related to the embodiment of the present invention.
As this bright embodiment, the equalizer module 10 includes:
Operational amplifier U4, resistance R11, resistance R12, resistance R13, resistance R14, capacitor C7, capacitor C8 and capacitor C9；
The first end of the capacitor C7 is the input terminal of equalizer module 10, and the second end of the capacitor C7 passes through capacitor C9
The non-inverting input terminal of the operational amplifier U4 is connect, the second end of the capacitor C7 also passes through resistance R14 and connects the operation amplifier
The inverting input terminal of device U4, the anti-phase input of the operational amplifier U4 terminates the output end of the operational amplifier U4, described
Output end of the output end of operational amplifier U4 for equalizer module 10, the power supply termination power VCC of the operational amplifier U4,
The resistance R11 and resistance R12 is serially connected between the power supply VCC and ground, the resistance R13 be connected to the resistance R11 and
Between the public connecting end of resistance R12 and the non-inverting input terminal of operational amplifier U4, the capacitor C8 is connected to the resistance R11
Between the public connecting end and ground of resistance R12.
Figure 13 shows the circuit structure of reverb module provided in an embodiment of the present invention, for ease of description, illustrates only
Part related to the embodiment of the present invention.
In embodiments of the present invention, the first pickup module of wireless K song earphone is located at outside closed earmuff, and wireless K sings ear
The loudspeaker of machine are embedded in closed earmuff, are played out to music signal and the first pickup signal, and earphone horn exports acoustic pressure
Grade is small, and user puts on completely isolated acoustic feedback approach after earmuff, avoids the generation for phenomenon of uttering long and high-pitched sounds, in addition, due to by K
It sings equipment and earphone is replaced with by external sound equipment, do not interfere with neighbours' rest, K singer can sing happy ground K at any time, and
This is wireless, and K song earphone includes set of headphones, and more people K song simultaneously may be implemented.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Made any modifications, equivalent replacements, and improvements etc., should all be included in the protection scope of the present invention within mind and principle.
Claims (8)
1. a kind of wireless K sings earphone, including a closed earmuff, which is characterized in that the wireless K sings earphone further include:
Outside the closed earmuff, sound is acquired, generates the first pickup module of the first pickup signal；
It is connect with audiogenic device, receive music signal and the first pickup signal is sent to the first wireless receipts of the audiogenic device
Send out module；
It is connect with first pickup module, the first amplification module that first pickup signal is amplified；
It is connect respectively with first radio receiving transmitting module and the first amplification module, to the music signal and the first pickup signal
Carry out the first mixing module of mixed processing；
The second amplification module being connect with first mixing module；
It is connect with second amplification module, to the music signal and the loudspeaker that plays out of the first pickup signal Jing Guo enhanced processing
, the loudspeaker are embedded in the closed earmuff；
First radio receiving transmitting module includes:
Radio transmitting and receiving chip (U1), operational amplifier (U2A), operational amplifier (U2B), capacitor (C1), capacitor (C2), capacitor
(C3), capacitor (C4), capacitor (C5), capacitor (C6), resistance (R1), resistance (R2), resistance (R3), resistance (R4), resistance (R5),
Resistance (R6), resistance (R7), resistance (R8), resistance (R9) and resistance (R10)；
The antenna end (RF) of the radio transmitting and receiving chip (U1) is wirelessly connected by antenna and audiogenic device, the wireless receiving and dispatching core
First right channel end R1 of piece (U1) connects the reverse phase of the operational amplifier (U2A) by the capacitor (C1) and resistance (R1) of concatenation
Input terminal, the second right channel end R2 of the radio transmitting and receiving chip (U1) are connect described by the capacitor (C2) and resistance (R2) of concatenation
The output of the non-inverting input terminal of operational amplifier (U2A), the operational amplifier (U2A) terminates first mixing module, institute
It states resistance (R7) to be connected between the inverting input terminal and output end of the operational amplifier (U2A), the operational amplifier
(U2A) power supply termination power (VCC), the ground terminal ground connection of the operational amplifier (U2A), the radio transmitting and receiving chip (U1)
First L channel end L1 connects the inverting input terminal of the operational amplifier (U2B) by the capacitor (C3) and resistance (R4) of concatenation,
Second L channel end L2 of the radio transmitting and receiving chip (U1) is connect the operation and is put by the capacitor (C4) and resistance (R5) of concatenation
The output of the non-inverting input terminal of big device (U2B), the operational amplifier (U2B) terminates first mixing module, the resistance
(R9) be connected between the power supply (VCC) and ground with resistance (R10), the resistance (R9) and resistance (R10) it is commonly connected
End connects the non-inverting input terminal of the operational amplifier (U2A) by the resistance (R3) respectively, meets institute by the resistance (R6)
The non-inverting input terminal of operational amplifier (U2B) is stated, the capacitor (C5) is connected between the power supply (VCC) and ground, the electricity
Hold (C6) to be connected between the resistance (R9) and the public connecting end and ground of resistance (R10), the resistance (R8) is connected to institute
Between the inverting input terminal and output end for stating operational amplifier (U2B), the audio input end MIC of the radio transmitting and receiving chip (U1)
+ and MIC- connect first amplification module respectively.
2. wireless K as described in claim 1 sings earphone, which is characterized in that the wireless K sings earphone further include:
For receiving the first receiving module of the second pickup signal；
It is connect respectively with first radio receiving transmitting module, the first mixing module, the first receiving module and the first amplification module, it is right
First pickup signal and the second pickup signal carry out the second mixing module of mixed processing；
It is connect with first mixing module, to the music signal Jing Guo mixed processing, the first pickup signal and the second ten
The first sending module that sound signal is sent.
3. wireless K as described in claim 1 sings earphone, which is characterized in that the wireless K sings earphone further include:
It is connect respectively with first radio receiving transmitting module, the first mixing module and the first amplification module, to first pickup
Signal carries out the equalizer module of airflow noise and frequency response adjustment.
4. wireless K as claimed in claim 2 sings earphone, which is characterized in that the wireless K sings earphone further include:
It is connect respectively with first radio receiving transmitting module, the first mixing module and the second mixing module, to first pickup
Signal and the second pickup signal carry out the equalizer module of airflow noise and frequency response adjustment.
5. wireless K as described in claim 1 sings earphone, which is characterized in that the wireless K sings earphone further include:
It is connect respectively with first radio receiving transmitting module, the first mixing module and the first amplification module, to first pickup
The reverb module of signal progress reverberation processing.
6. wireless K as claimed in claim 2 sings earphone, which is characterized in that the wireless K sings earphone further include:
It is connect respectively with first radio receiving transmitting module, the first mixing module and the second mixing module, to first pickup
Signal and the second pickup signal carry out the reverb module of reverberation processing.
7. the wireless K as described in claim 2,4 or 6 sings earphone, which is characterized in that the wireless K song earphone further includes auricular appendage
Machine, the set of headphones include the second pickup module, third amplification module and the second sending module being sequentially connected, second hair
Send module and the first receiving module to carry out signal interaction communication, the set of headphones further include the second receiving module being sequentially connected,
4th amplification module and the second loudspeaker, second receiving module and the first sending module carry out signal interaction communication.
8. K as claimed in claim 7 wireless sings earphone, which is characterized in that first receiving module, the first sending module,
Second receiving module, the second sending module use wireless module or wired module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610080012.9A CN105848025B (en) | 2016-02-04 | 2016-02-04 | A kind of wireless K song earphone |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610080012.9A CN105848025B (en) | 2016-02-04 | 2016-02-04 | A kind of wireless K song earphone |
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| Publication Number | Publication Date |
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| CN105848025A CN105848025A (en) | 2016-08-10 |
| CN105848025B true CN105848025B (en) | 2019-01-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610080012.9A Active CN105848025B (en) | 2016-02-04 | 2016-02-04 | A kind of wireless K song earphone |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108737918A (en) * | 2017-04-21 | 2018-11-02 | 李龙根 | A kind of adjustable double reverberation Karaoke earphones of tone |
| KR102071900B1 (en) * | 2018-08-28 | 2020-02-03 | 부전전자 주식회사 | USB type earphone gender for smartphone |
| CN113038436A (en) * | 2019-12-25 | 2021-06-25 | 华为终端有限公司 | Bluetooth communication method and device |
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| CN203933951U (en) * | 2014-07-04 | 2014-11-05 | 深圳市迪杰堡科技有限公司 | Portable mobile wireless OK a karaoke club OK music microphone |
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| CN105245991A (en) * | 2015-10-26 | 2016-01-13 | 汪国印 | Head-mounted karaoke singing earphone and karaoke singing processing method |
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| US20080184870A1 (en) * | 2006-10-24 | 2008-08-07 | Nokia Corporation | System, method, device, and computer program product providing for a multiple-lyric karaoke system |
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| CN201365261Y (en) * | 2009-02-27 | 2009-12-16 | 吴培 | Mobile phone accessory with cara OK function |
| CN203933951U (en) * | 2014-07-04 | 2014-11-05 | 深圳市迪杰堡科技有限公司 | Portable mobile wireless OK a karaoke club OK music microphone |
| CN104853272A (en) * | 2015-05-13 | 2015-08-19 | 视讯联合科技股份有限公司 | Multifunctional DSP wireless headphone with interconnected interaction |
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