CN110278506A - TWS bluetooth headset active noise reduction ears debug pair system and method automatically - Google Patents
TWS bluetooth headset active noise reduction ears debug pair system and method automatically Download PDFInfo
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- CN110278506A CN110278506A CN201910532230.5A CN201910532230A CN110278506A CN 110278506 A CN110278506 A CN 110278506A CN 201910532230 A CN201910532230 A CN 201910532230A CN 110278506 A CN110278506 A CN 110278506A
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- 210000005069 ears Anatomy 0.000 title claims abstract description 27
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- 102100023170 Nuclear receptor subfamily 1 group D member 1 Human genes 0.000 description 11
- 240000006409 Acacia auriculiformis Species 0.000 description 2
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- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
- G10L21/00—Speech or voice signal processing techniques to produce another audible or non-audible signal, e.g. visual or tactile, in order to modify its quality or its intelligibility
- G10L21/02—Speech enhancement, e.g. noise reduction or echo cancellation
- G10L21/0208—Noise filtering
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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
- H04R1/1041—Mechanical or electronic switches, or control elements
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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
- H04R2201/00—Details of transducers, loudspeakers or microphones covered by H04R1/00 but not provided for in any of its subgroups
- H04R2201/10—Details of earpieces, attachments therefor, earphones or monophonic headphones covered by H04R1/10 but not provided for in any of its subgroups
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Abstract
The invention discloses a kind of TWS bluetooth headset active noise reduction ears to debug pair system and method automatically.Automatic debugging pair system of the invention being capable of left and right earphone to TWS bluetooth headset automatic production active noise reduction curve simultaneously, it is high that automated system manages algnment accuracy, effectively avoid the error of manual adjustment gain and artificial judgment, and active noise reduction effect is good, psycho-acoustical quality is high, effectively improves user experience.Also, it without the production movement repetitive operation that left and right earphone produces respectively, saves the operating time and improves pairing precision, effectively increase productivity effect, and reduce manual operation, reduce cost of labor.Automatic debugging matching method of the invention can efficiently accomplish the left and right earphone debugging pairing for producing active noise reduction curve automatic simultaneously of TWS bluetooth headset, can effectively produce to obtain with the TWS bluetooth of active noise reduction curve that pairing precision is high, active noise reduction effect is good, psycho-acoustical quality is high or so earphone.
Description
Technical field
The present invention relates to earphone noise reduction technology fields, and in particular to a kind of TWS bluetooth headset active noise reduction ears are adjusted automatically
Trial is to system and method.
Background technique
True wireless stereo (TWS, True Wireless Stereo) bluetooth headset has as earphone of new generation and includes
The particular advantages of wired true wireless topology and usage mode multiplicity are abandoned completely.
The TWS bluetooth headset active noise reduction system of market can only produce one side earphone to left and right earphone at present, cannot be to a left side
Right earphone produces active noise reduction curve simultaneously, can not manage left and right earphone active noise reduction curve valley point frequency, noise reduction depth and put down
Weighing apparatus degree.Therefore, it is necessary to manually distinguish and match left and right earphone active noise reduction curve valley point frequency, noise reduction depth and the degree of balance.And
By left and right earphone active noise reduction curve valley point frequency, the noise reduction depth base degree of balance manually matched, not only difference is big, precision
It is low, active noise reduction effect, psycho-acoustical quality are directly affected, user terminal experience is poor；Moreover, earphone portion production movement in left and right repeats
Operation, productivity effect is low, and cost input is big.
Summary of the invention
It is an object of the invention in view of the deficiencies in the prior art or insufficient, a kind of TWS bluetooth headset is provided
Active noise reduction ears debug pair system automatically.The automatic debugging pair system can left and right earphone to TWS bluetooth headset it is same
Shi Zidong produces active noise reduction curve, and system manages algnment accuracy height, and active noise reduction effect is good, and psycho-acoustical quality is high, effectively improves
User experience.Also, the left and right earphone by the automatic debugging pair system to TWS bluetooth headset simultaneously actively drop by automatic production
Curve of making an uproar effectively increases productivity effect, and reduce manual operation, drops without the production movement repetitive operation of left and right earphone
Low cost of labor.
The object of the invention is also to provide a kind of TWS bluetooth headset active noise reduction ears to debug matching method automatically, excellent
It is selected as debugging the automatic debugging matching method of pair system automatically based on TWS bluetooth headset active noise reduction ears described above.
The purpose of the present invention is achieved through the following technical solutions.
A kind of TWS bluetooth headset active noise reduction ears debug pair system, including the first artificial ear, the second emulation automatically
Ear, bluetooth transceiver, audio collection device and the end computer PC；
First artificial ear and the second artificial ear are respectively used to carrying left and right earphone；First artificial ear and the second artificial ear
It is unidirectionally connect with the audio collection device, and first artificial ear and the second artificial ear can be synchronized to the audio collection device
One-way transmission active noise reduction curve signal；
The audio collection device is connect with the end the computer PC, and the audio collection device can be by received active noise reduction curve signal
It is transmitted to the end the computer PC；
The bluetooth transceiver is unidirectionally connect with the end the computer PC, and the bluetooth transceiver can be received unidirectionally from the computer
The active noise reduction curve gain signal at the end PC；
The bluetooth transceiver is configurable for being wirelessly connected with left and right earphone, and the bluetooth transceiver can be by received active
Noise reduction curve gain signal is burned on the earphone of left and right；
TWS binary channels can be carried out in the end the computer PC is adjusted in synchronism the gain of active noise reduction curve.
Preferably, first artificial ear and the second artificial ear are unidirectionally connected by audio power amplifier with the audio collection device
It connects；
Wherein, first artificial ear and the second artificial ear are unidirectionally connect with the audio power amplifier, and first emulation
Ear and the second artificial ear can be synchronized to the audio power amplifier one-way transmission active noise reduction curve signal；The audio power amplifier with
The audio collection device connection, the audio power amplifier are adopted after can amplifying received active noise reduction curve signal to the audio
Storage transmission.
It is furthermore preferred that first artificial ear and the second artificial ear are arranged in a shielded box；And in the shielded box
Loudspeaker are provided with, for playing noise.
Still more preferably, the audio collection device is to be bi-directionally connected with the end the computer PC, the audio collection device
Received active noise reduction curve signal can be transmitted to the end the computer PC, or receive the noise source letter from the end the computer PC
Number；
The audio power amplifier is to be bi-directionally connected with the audio collection device, and the audio power amplifier can be by received active noise reduction
It is transmitted after curve signal amplification to the audio collection device, or receives the noise source signal from the audio collection device；
The audio power amplifier is connect with loudspeaker, and the loudspeaker are used to carry out the received noise source signal of the audio power amplifier
It plays.
Still more preferably, it is provided with memory in the end the computer PC, and prestores noise source in the memory
And multiple active noise reduction curve yield value.
Preferably, valley point frequency standard setting option, the noise reduction depth of active noise reduction curve are provided in the end the computer PC
Standard setting item and the quasi- setting option of left and right earphone noise reduction curve equation scale.
The gain of active noise reduction curve is adjusted in synchronism it is furthermore preferred that being built-in in the end the computer PC and can carry out binary channels
TWS active noise reduction produces software；Moreover, being provided with the valley point frequency mark of active noise reduction curve in TWS active noise reduction production software
Quasi- setting option, noise reduction depth standards setting option and the quasi- setting option of left and right earphone noise reduction curve equation scale, it is same for binary channels
Step section active noise reduction curve gain contrast judgement.
Preferably, the end the computer PC is circumscribed with display, for showing automatic debugging pairing process and result.
A kind of TWS bluetooth headset active noise reduction ears debug matching method automatically, comprising:
S1, noise is played in closed shielded box, while carrying out gain to as the left and right earphone in the shielded box is synchronous
It adjusts；
S2, the synchronous active noise reduction curve for acquiring left and right earphone respectively using artificial ear, the left and right earphone that analysis, judgement acquire
Whether the parameter of curve of active noise reduction curve complies with standard setting option；
If the parameter of curve of the active noise reduction curve of S3, left and right earphone complies with standard setting option, debugging pairing is completed, stops broadcasting
Noise is put, and the active noise reduction curve after gain adjustment is burned onto the earphone of left and right；
If S4, not meeting normal term, continue S1 ~ S3.
Preferably, the parameter of curve of the active noise reduction curve includes: the valley point frequency of active noise reduction curve, noise reduction depth
And left and right earphone noise reduction curve equation degree.
Preferably, the gain adjustment are as follows: the gain needed is selected from the multiple active noise reduction curve yield values prestored
It is worth and is burned onto the earphone of left and right.
Compared with prior art, the invention has the advantages that and the utility model has the advantages that
(1) automatic debugging pair system of the invention can left and right earphone to TWS bluetooth headset automatic production is actively dropped simultaneously
It makes an uproar curve, it is high that automated system manages algnment accuracy, avoids the error of manual adjustment gain and artificial judgment, and active noise reduction is imitated
Fruit is good, and psycho-acoustical quality is high, effectively improves user experience.
(2) automatic debugging pair system of the invention can the automatic production simultaneously of left and right earphone to TWS bluetooth headset actively
Noise reduction curve, the production produced respectively without left and right earphone act repetitive operation, save the operating time and improve pairing essence
Accuracy effectively increases productivity effect；And reduce manual operation, reduce cost of labor.
(3) automatic debugging matching method of the invention can efficiently accomplish the left and right earphone automatic life simultaneously of TWS bluetooth headset
The debugging pairing for producing active noise reduction curve can effectively produce to obtain with pairing precision is high, active noise reduction effect is good, psycho-acoustical quality
The high TWS bluetooth of active noise reduction curve or so earphone.
Detailed description of the invention
Fig. 1 is that TWS bluetooth headset active noise reduction ears of the invention in specific embodiment 1 debug showing for pair system automatically
It is intended to；
Fig. 2 is the process that TWS bluetooth headset active noise reduction ears of the invention in specific embodiment 2 debug matching method automatically
Figure；
Attached drawing mark: the first artificial ear of 1-, the second artificial ear of 2-, 3- bluetooth transceiver, 4- audio collection device, 5- computer PC
The end (personal computer), 6- audio power amplifier, 7- loudspeaker, 8- shielded box, 9- display, the left earphone of 10-, 20- auris dextra
Machine.
Specific embodiment
Technical solution of the present invention is described in further detail below in conjunction with specific embodiments and drawings, but the present invention
Protection scope and embodiment it is without being limited thereto.
Embodiment 1
Shown in Figure 1, a kind of TWS bluetooth headset active noise reduction ears of the invention debug pair system automatically.This is adjusted automatically
Trying pair system includes the first artificial ear 1, the second artificial ear 2, bluetooth transceiver 3, audio collection device 4 and the end computer PC 5.
Wherein, first artificial ear 1 and the second artificial ear 2 are respectively used to carrying left and right earphone.Referring specifically to Fig. 1 institute
Show, during debugging pairing, left earphone 10 and right earphone 20 are directly placed in the first artificial ear 1 and the second artificial ear 2, the
One artificial ear 1 and the second artificial ear 2 can be acquired the active noise reduction curve of left earphone 10 and right earphone 20, transmit.
First artificial ear 1 and the second artificial ear 2 are unidirectionally connect with the audio collection device 4, and described first is imitative
Real ear 1 can the synchronous active noise reduction curve signal collected to 4 one-way transmission of audio collection device with the second artificial ear 2.
Specifically, during debugging pairing, the first artificial ear of active noise reduction curve negotiating 1 and second of left earphone 10 and right earphone 20
Artificial ear 2 is synchronous to 4 one-way transmission of audio collection device.
The audio collection device 4 is connect with the end the computer PC 5, and the audio collection device 4 can be by received active noise reduction
Curve signal is transmitted to the end the computer PC 5.
Specifically, can carry out TWS binary channels in the end computer PC 5 is adjusted in synchronism the gain of active noise reduction curve, synchronous binary channels
Produce TWS active noise reduction curve；Also, the valley point frequency standard setting option of active noise reduction curve, drop are provided in the end computer PC 5
It makes an uproar depth standards setting option and the quasi- setting option of left and right earphone noise reduction curve equation scale, is adjusted in synchronism for binary channels and actively drops
It makes an uproar curve gain contrast judgement.
The bluetooth transceiver 3 is unidirectionally connect with the end the computer PC 5, and the bluetooth transceiver 3, which can be received unidirectionally, to be come from
The active noise reduction curve gain signal at the end the computer PC 5.Moreover, the bluetooth transceiver 3 is configurable for and left and right ear
Machine is wirelessly connected, and received active noise reduction curve gain signal can be burned onto left earphone 10 and auris dextra by the bluetooth transceiver 3
On machine 20.
In a preferred embodiment, first artificial ear 1 and the second artificial ear 2 pass through audio power amplifier 6 and the sound
Frequency collector 4 unidirectionally connects；Wherein, first artificial ear 1 and the second artificial ear 2 unidirectionally connect with the audio power amplifier 6
It connects, and first artificial ear 1 can be synchronous to the 6 one-way transmission active noise reduction curve of audio power amplifier with the second artificial ear 2
Signal；The audio power amplifier 6 is connect with the audio collection device 4, and the audio power amplifier 6 can be bent by received active noise reduction
It is transmitted after the amplification of line signal to the audio collection device 4.
In a preferred embodiment, first artificial ear 1 and the second artificial ear 2 are arranged in a shielded box 8；And shield
It covers and is provided with loudspeaker 7 in case 8, for playing noise, generate noise source.Shielded box 8 is in closed space, loudspeaker 7 when closed
The noise of broadcasting will not be revealed, and can provide good noise circumstance well for automatic debugging.
Specifically, the audio collection device 4 is to be bi-directionally connected with the end the computer PC 5, the audio collection device 4 can will be connect
The active noise reduction curve signal of receipts is transmitted to the end the computer PC 5, or receives the noise source signal from the end the computer PC 5.
The audio power amplifier 6 is to be bi-directionally connected with the audio collection device 4, and the audio power amplifier 6 can be by received active noise reduction
It is transmitted after curve signal amplification to the audio collection device 4, or receives the noise source signal from the audio collection device 4.Institute
It states audio power amplifier 6 to connect with loudspeaker 7, loudspeaker 7 are for playing out the received noise source signal of the audio power amplifier 6.
In this way, the end computer PC 5 can be synchronized noise source signal audio collection device 4 and audio power amplifier 6 during carrying out debugging pairing
Loudspeaker 7 are transmitted to, and are played out, synchronization noise is generated, to build the noisy environment of automatic noise reduction debugging pairing.
Debugging is being carried out with clock synchronization, shielded box 8 is closed, and the end computer PC 5 controls bluetooth transceiver 3 and connects left earphone 10 and the right side
Earphone 20, the end computer PC 5, which enters debugging mode and controls bluetooth transceiver 3, synchronous with the realization of right earphone 20 to left earphone 10 to burn
The connection of record.The end computer PC 5 automatically controls and to 4 output noise source signal of audio collection device, and is amplified by audio power amplifier 6
Afterwards, it is played out by loudspeaker 7.The end computer PC 5 controls to adjust 20 gain of left earphone 10 and right earphone, and yield value is passed through indigo plant
Tooth transceiver 3 is burned onto left earphone 10 and right earphone 20.With the same closed shielded box 8 of loudspeaker 7 in, the first artificial ear
The 1 active noise reduction curve signal for acquiring left earphone 10 and right earphone 20 respectively synchronous with the second artificial ear 2, and by audio power amplifier
After 6 amplifications, by the acquisition of audio collection device 4, analysis, the active noise reduction curve of the then judgement of the end computer PC 5 acquisition.When left earphone 10
When being not up to setting standard with the active noise reduction curve of right earphone 20, the end computer PC 5 continues to adjust left earphone 10 and right earphone 20
Gain, and yield value is burned onto left earphone 10 and right earphone 20 by bluetooth transceiver 3, it is further continued for left earphone 10 and the right side
The active noise reduction curve signal of earphone 20 is acquired, analyzes and judges, until reaching the normal term of setting.Finally, bluetooth is received
Final standard compliant active noise reduction curve is burned onto left earphone 10 and right earphone 20 by hair device 3.In this way, completing left 10 He of earphone
Pairing is debugged in the automated production of the active noise reduction curve of right earphone 20, and shielded box 8 unpacks and takes out left earphone 10 and right earphone
20。
Pass through the automation debugging pairing control at the end computer PC 5, and the environmental simulation in shielded box 8, Department of Automation
Control algnment accuracy under the overall leadership is high, effectively avoids the error of manual adjustment gain and artificial judgment, and active noise reduction effect is good, sound quality matter
Amount is high, effectively improves user experience.And it is completed at the same time the debugging pairing of left and right earphone, the left and right earphone noise reduction degree of balance is high, is not necessarily to
The production that left and right earphone produces respectively acts repetitive operation, saves the operating time and improves pairing precision, effectively improves
Productivity effect, and reduce manual operation, reduce cost of labor.
In a preferred embodiment, it is equipped in the end the computer PC 5 and binary channels is supported to be adjusted in synchronism active noise reduction curve
The TWS active noise reduction of gain produces software.Moreover, being provided with active noise reduction curve in the TWS active noise reduction production software
Valley point frequency standard setting option, noise reduction depth standards setting option and the quasi- setting option of left and right earphone noise reduction curve equation scale.?
Valley point frequency, noise reduction depth provided with active noise reduction curve and after the standard of left and right earphone noise reduction curve equation degree, TWS is actively
Noise reduction production software can voluntarily be completed to judge, so that the degree of automation of debugging pairing be greatly improved.
Also, it is provided with memory in the end the computer PC 5, and prestores noise source and multiple actives in the memory
Noise reduction curve yield value.
Moreover, in a preferred embodiment, the end the computer PC 5 is circumscribed with display 9, for showing automatic debugging pairing
Process and as a result, to further increase noise reduction biphone debugging pairing automation control.
Embodiment 2
A kind of TWS bluetooth headset active noise reduction ears of the invention debug matching method automatically, comprising:
S1, noise is played in closed shielded box, while carrying out gain to as the left and right earphone in the shielded box is synchronous
It adjusts；
S2, the synchronous active noise reduction curve for acquiring left and right earphone respectively using artificial ear, the left and right earphone that analysis, judgement acquire
Whether the parameter of curve of active noise reduction curve complies with standard setting option；
If the parameter of curve of the active noise reduction curve of S3, left and right earphone complies with standard setting option, debugging pairing is completed, stops broadcasting
Noise is put, and the active noise reduction curve after gain adjustment is burned onto the earphone of left and right；
If S4, not meeting normal term, continue S1 ~ S3.
Wherein, the parameter of curve of the active noise reduction curve includes valley point frequency, noise reduction depth and left and right earphone noise reduction
Curve equation degree.
The yield value is adjusted are as follows: the yield value needed and burning are selected from the multiple active noise reduction curve yield values prestored
In record to left and right earphone.
Further, shown in Figure 2, it is the TWS bluetooth of automatic debugging pair system of the present embodiment based on embodiment 1
Earphone active noise reduction ears debug matching method automatically, comprising:
S1, shielded box 8 are closed, into test, while 9 show process of display；The end computer PC 5 controls bluetooth transceiver 3 and connects
Left earphone 10 and right earphone 20, the end computer PC 5 enter debugging mode and control bluetooth transceiver 3 can be to left earphone 10 and right earphone
20 realize the connection of synchronous burning.
S2, the end computer PC 5 are automatically controlled and to 4 output noise source signals of audio collection device, and put by audio power amplifier 6
After big, played out by loudspeaker 7.
S3, the end computer PC 5 control to adjust 20 gain of left earphone 10 and right earphone, and yield value is passed through bluetooth transceiver 3
It is burned onto left earphone 10 and right earphone 20；In the first artificial ear 1 being in loudspeaker 7 in same closed shielded box 8 and
Two artificial ears 2, the synchronous active noise reduction curve signal for acquiring left earphone 10 and right earphone 20 respectively, and put through audio power amplifier 6
After big, by the acquisition of audio collection device 4, analysis, then the end computer PC 5 judges active noise reduction curve.
S4, when the parameter of curve of left earphone 10 and the active noise reduction curve of right earphone 20 is not up to setting standard, return
S3, until reaching the parameter of curve normal term of setting.
S5, when the parameter of curve of left earphone 10 and the active noise reduction curve of right earphone 20 reaches setting standard, audio is adopted
Storage 4 stops output noise source signal, while audio power amplifier 6 stops amplification noise source signal, and loudspeaker 7 stop playing noise.
S5, the end computer PC 5 control bluetooth transceiver 3 and final standard compliant active noise reduction curve are burned onto left earphone 10
With right earphone 20, debugging pairing is completed, shielded box 8 is unpacked, and takes out left earphone 10 and right earphone 20.
In this way, automatic scheduling and planning matches to obtain the master with pairing precision is high, active noise reduction effect is good, psycho-acoustical quality is high
The TWS bluetooth of dynamic noise reduction curve or so earphone.
Above embodiments are only preferred embodiment of the invention, are only that further detailed to technical solution of the present invention work
Description, but protection scope of the present invention and embodiment are without being limited thereto, any without departing under spirit of the invention and principle
Change, combination, deletion, replacement or modification for being made etc. are included in protection scope of the present invention.
Claims (10)
1. a kind of TWS bluetooth headset active noise reduction ears debug pair system automatically, which is characterized in that including the first artificial ear
(1), the second artificial ear (2), bluetooth transceiver (3), audio collection device (4) and the end computer PC (5)；
First artificial ear (1) and the second artificial ear (2) are respectively used to carrying left and right earphone；First artificial ear (1) and
Second artificial ear (2) is unidirectionally connect with the audio collection device (4), and first artificial ear (1) and the second artificial ear (2)
It can synchronize to audio collection device (4) the one-way transmission active noise reduction curve signal；
The audio collection device (4) connect with the end the computer PC (5), and the audio collection device (4) can drop received active
Curve signal of making an uproar is transmitted to the end the computer PC (5)；
The bluetooth transceiver (3) unidirectionally connect with the end the computer PC (5), and the bluetooth transceiver (3), which can unidirectionally receive, comes
Active noise reduction curve gain signal from the end the computer PC (5)；
The bluetooth transceiver (3) is configurable for being wirelessly connected with left and right earphone, and the bluetooth transceiver (3) can will receive
Active noise reduction curve gain signal be burned on the earphone of left and right；
TWS binary channels can be carried out in the end the computer PC (5) is adjusted in synchronism the gain of active noise reduction curve.
2. a kind of TWS bluetooth headset active noise reduction ears according to claim 1 debug pair system automatically, feature exists
In first artificial ear (1) and the second artificial ear (2) are unidirectionally connected by audio power amplifier (6) with the audio collection device (4)
It connects；
Wherein, first artificial ear (1) and the second artificial ear (2) are unidirectionally connect with the audio power amplifier (6), and described
First artificial ear (1) synchronous can be believed with the second artificial ear (2) to the audio power amplifier (6) one-way transmission active noise reduction curve
Number；The audio power amplifier (6) connect with the audio collection device (4), and the audio power amplifier (6) can drop received active
It is transmitted after curve signal of making an uproar amplification to the audio collection device (4).
3. a kind of TWS bluetooth headset active noise reduction ears according to claim 2 debug pair system automatically, feature exists
In first artificial ear (1) and the second artificial ear (2) are arranged in a shielded box (8)；And it is set in the shielded box (8)
Loudspeaker (7) are equipped with, for playing noise.
4. a kind of TWS bluetooth headset active noise reduction ears according to claim 3 debug pair system automatically, feature exists
In the audio collection device (4) is to be bi-directionally connected with the end the computer PC (5), and the audio collection device (4) can be by received master
Dynamic noise reduction curve signal is transmitted to the end the computer PC (5), or receives the noise source signal for coming from the end the computer PC (5)；
The audio power amplifier (6) is to be bi-directionally connected with the audio collection device (4), and the audio power amplifier (6) can will receive
The amplification of active noise reduction curve signal after transmitted to the audio collection device (4), or receive from the audio collection device (4)
Noise source signal；
The audio power amplifier (6) connect with loudspeaker (7), and the loudspeaker (7) are used to make an uproar the audio power amplifier (6) is received
Sound-source signal plays out.
5. a kind of TWS bluetooth headset active noise reduction ears according to claim 4 debug pair system automatically, feature exists
In the end the computer PC (5) is interior to be provided with memory, and prestores noise source and multiple active noise reduction songs in the memory
Line yield value.
6. a kind of described in any item TWS bluetooth headset active noise reduction ears debug pair system automatically according to claim 1 ~ 5,
It is characterized in that, being provided with valley point frequency standard setting option, the noise reduction depth mark of active noise reduction curve in the end the computer PC (5)
Quasi- setting option and the quasi- setting option of left and right earphone noise reduction curve equation scale.
7. a kind of described in any item TWS bluetooth headset active noise reduction ears debug pair system automatically according to claim 1 ~ 5,
It is characterized in that, the end the computer PC (5) is circumscribed with display (9), for showing automatic debugging pairing process and result.
8. a kind of TWS bluetooth headset active noise reduction ears debug matching method automatically characterized by comprising
S1, noise is played in closed shielded box, while carrying out gain to as the left and right earphone in the shielded box is synchronous
It adjusts；
S2, the synchronous active noise reduction curve for acquiring left and right earphone respectively using artificial ear, the left and right earphone that analysis, judgement acquire
Whether the parameter of curve of active noise reduction curve complies with standard setting option；
If the parameter of curve of the active noise reduction curve of S3, left and right earphone complies with standard setting option, debugging pairing is completed, stops broadcasting
Noise is put, and the active noise reduction curve after gain adjustment is burned onto the earphone of left and right；
If S4, not meeting normal term, continue S1 ~ S3.
9. a kind of TWS bluetooth headset active noise reduction ears according to claim 8 debug matching method automatically, feature exists
In the parameter of curve of the active noise reduction curve includes: the valley point frequency of active noise reduction curve, noise reduction depth and left and right earphone
Noise reduction curve equation degree.
10. a kind of TWS bluetooth headset active noise reduction ears according to claim 8 debug matching method, feature automatically
It is, the gain adjustment are as follows: select the yield value needed from the multiple active noise reduction curve yield values prestored and be burned onto
In the earphone of left and right.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910532230.5A CN110278506B (en) | 2019-06-19 | 2019-06-19 | TWS Bluetooth headset active noise reduction double-ear automatic debugging pairing system and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201910532230.5A CN110278506B (en) | 2019-06-19 | 2019-06-19 | TWS Bluetooth headset active noise reduction double-ear automatic debugging pairing system and method |
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| CN113490098A (en) * | 2021-07-07 | 2021-10-08 | 东莞市逸音电子科技有限公司 | Active optimization algorithm of active noise reduction filter of ANC earphone |
| CN113923577A (en) * | 2021-09-09 | 2022-01-11 | 珠海慧联科技有限公司 | Acoustic response measurement system and method |
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