CN114025273A - A to ear debugging auxiliary device for bluetooth headset - Google Patents

A to ear debugging auxiliary device for bluetooth headset Download PDF

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Publication number
CN114025273A
CN114025273A CN202111313148.7A CN202111313148A CN114025273A CN 114025273 A CN114025273 A CN 114025273A CN 202111313148 A CN202111313148 A CN 202111313148A CN 114025273 A CN114025273 A CN 114025273A
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China
Prior art keywords
debugging
ear
earphone
artificial ear
bluetooth
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CN202111313148.7A
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Chinese (zh)
Inventor
吴敏根
王永品
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Shenzhen Zhilian Information Technology Co ltd
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Shenzhen Zhilian Information Technology Co ltd
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Priority to CN202111313148.7A priority Critical patent/CN114025273A/en
Publication of CN114025273A publication Critical patent/CN114025273A/en
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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00Details of transducers, loudspeakers or microphones
    • H04R1/10Earpieces; Attachments therefor ; Earphones; Monophonic headphones
    • H04R1/1083Reduction of ambient noise

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  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Headphones And Earphones (AREA)

Abstract

The invention relates to the technical field of laser scanning, and discloses an ear-matching debugging auxiliary device for a Bluetooth headset, which comprises a shielding case and a debugging table, wherein the debugging table is arranged in the shielding case to isolate external environment interference, an earphone bracket is arranged at the upper end of the debugging table, a left artificial ear and a right artificial ear are respectively arranged at two sides of the bottom end of the earphone bracket, and an in-ear pickup is respectively arranged in the auditory canals of the left artificial ear and the right artificial ear. The invention can simultaneously meet the requirements of noise reduction debugging of the most common Bluetooth earphones with different styles in the market, namely an in-ear type Bluetooth earphone and a head-wearing type Bluetooth earphone, realizes the noise reduction debugging of a debugging device on a plurality of types of Bluetooth earphones, improves the production benefit and reduces the cost investment; the high simulation ear of being similar to the people's ear that sets up comes the real transmission environment of simulation audio frequency in people's ear, improves the accuracy of the debugging of making an uproar of falling, improves bluetooth headset user's experience and feels.

Description

A to ear debugging auxiliary device for bluetooth headset
Technical Field
The invention relates to the technical field of earphone noise reduction, in particular to an auxiliary device for debugging the ears of a Bluetooth earphone.
Background
In the existing life, the Bluetooth headset applies the Bluetooth technology to the hands-free headset, so that a user can avoid the trouble of a headset wire and can easily use the Bluetooth headset. In recent years, because lossless music prevails along with a streaming media music platform, the living standard of consumers is improved, product lines are expanded due to the increase of earphone manufacturers, and more friends tend to show earphones. In addition to sound quality, design, or some additional functionality, is taken into account when the consumer chooses to purchase. The noise reduction function is a function that is popular among consumers.
The prior art is as follows: the existing active noise reduction system of the Bluetooth headset in the market needs to manually distinguish and pair active noise reduction curves of a left headset and a right headset, and a debugging device can only carry out noise reduction debugging on the Bluetooth headset with a single style (in-ear style or head-wearing style), so that the generation benefit is low, and the cost investment is large; and moreover, the noise reduction debugging is carried out through manual or computer pairing debugging, and the real audio transmission environment of the human ear is not considered, so that the problems of low precision of the noise reduction debugging result and poor user experience are caused.
Disclosure of Invention
The invention aims to provide an ear-to-ear debugging auxiliary device for a Bluetooth headset, which can realize that the device can finish noise reduction debugging on the Bluetooth headsets of different styles by designing an in-ear and head-wearing integrated debugging device, furthest simulates the real environment of audio transmission in human ears by arranging a most-simulation human ear device, inspects noise reduction debugging results, and solves the problems of high cost investment, low debugging result precision and poor user experience in the prior art.
The invention is realized in such a way, the auxiliary device for debugging the ears of the Bluetooth earphone comprises a shielding case and a debugging table, wherein the debugging table is arranged in the shielding case to isolate the interference of the external environment, an earphone bracket is arranged at the upper end of the debugging table, a left artificial ear and a right artificial ear are respectively arranged at the two sides of the bottom end of the earphone bracket, the tail ends of the auditory canals of the left artificial ear and the right artificial ear are respectively provided with a connecting test table, the auditory canals of the left artificial ear and the right artificial ear are respectively provided with an in-ear pickup, the upper ends of the debugging tables at the outer sides of the left artificial ear and the right artificial ear are respectively provided with a group of debugging sockets and debugging plugs, and the two sides of the top end in the shielding case are respectively provided with a noise generator for producing testing noises with different frequencies.
Furthermore, the earphone support is of an arch type, and an inner groove is formed in the outer side of the upper circular arch.
Further, the appearance and the structure of the left artificial ear and the right artificial ear are similar to those of a real human ear, and the left artificial ear and the right artificial ear are prepared by a modeling 3D printing technology.
Further, the in-ear microphone is positioned in the ear canal at a location approximating a location of a hearing system of a human ear in the ear canal.
Furthermore, the front of the connection test platform is provided with a debugging jack, and the front of the debugging platform below the debugging socket and the debugging plug is provided with a debugging jack.
Further, the debugging plug is arranged on the outer side of the debugging socket.
Furthermore, a debugging contact pin is arranged at the bottom end inside the debugging socket.
Furthermore, debugging socket and debugging plug are connected with the debugging jack electricity that is located their below respectively, the pickup is connected with the debugging jack electricity on the connection testboard in the ear.
Further, the noise generator is inclined inward by 45 °.
Further, the inner wall of the shielding case is provided with a sound insulation filling layer.
Compared with the prior art, the auxiliary device for debugging the ears of the Bluetooth headset has the following beneficial effects:
1. the noise reduction debugging of the Bluetooth earphones with different styles, which are most common on the market, of the in-ear Bluetooth earphone and the head-mounted Bluetooth earphone can be simultaneously realized through the left simulated ear, the right simulated ear and the earphone bracket which are arranged in the shielding case, wherein the in-ear Bluetooth earphone can be directly plugged into an auricle of the simulated ear, and the head-mounted Bluetooth earphone can be supported by the earphone bracket and covers the earphone on the simulated ear, so that the noise reduction debugging of a debugging device on a plurality of types of Bluetooth earphones is realized, the production benefit is improved, and the cost investment is reduced;
2. the high simulation ear of being similar to the people's ear that sets up comes the real transmission environment of simulation audio frequency in people's ear to the perception of maximum degree reduction people's ear auditory system to the audio frequency, thereby improves the accuracy of the debugging of making an uproar, improves bluetooth headset user's experience and feels.
Drawings
Fig. 1 is a schematic structural diagram of an ear-to-ear debugging assistance device for a bluetooth headset according to embodiment 1 of the present invention;
fig. 2 is a side view of a debugging apparatus body proposed in embodiment 1 of the present invention;
fig. 3 is a schematic structural diagram of an ear-to-ear debugging assistance device for a bluetooth headset according to embodiment 2 of the present invention;
fig. 4 is a flowchart of a process for debugging an ear-fitting auxiliary device for a bluetooth headset according to an embodiment of the present invention.
In the figure: 1-a shielding case, 2-a debugging table, 3-an earphone bracket, 4-a left artificial ear, 5-a right artificial ear, 6-a debugging socket, 7-a debugging plug, 8-a debugging jack, 9-a noise generator, 10-a sound insulation filling layer, 11-an in-ear Bluetooth earphone, 12-an in-ear sound pickup, 13-a head-wearing Bluetooth earphone, 14-an ear canal and 15-a connection testing table.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The following describes the implementation of the present invention in detail with reference to specific embodiments.
The same or similar reference numerals in the drawings of the present embodiment correspond to the same or similar components; in the description of the present invention, it should be understood that if there is an orientation or positional relationship indicated by the terms "upper", "lower", "left", "right", etc. based on the orientation or positional relationship shown in the drawings, it is only for convenience of describing the present invention and simplifying the description, but it is not intended to indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore, the terms describing the positional relationship in the drawings are only used for illustrative purposes and are not to be construed as limiting the present patent, and the specific meaning of the terms may be understood by those skilled in the art according to specific circumstances.
Example 1
Referring to fig. 1, 2 and 4, a preferred embodiment of the present invention is provided.
An auxiliary device for debugging the opposite ear of a Bluetooth earphone comprises a shielding case 1 and a debugging table 2, wherein the debugging table 2 is arranged inside the shielding case 1 to isolate the interference of the external environment, an earphone bracket 3 is arranged at the upper end of the debugging table 2, the earphone bracket 3 is used for erecting a headset, a left artificial ear 4 and a right artificial ear 5 are respectively arranged at the two sides of the bottom end of the earphone bracket 3, an in-ear Bluetooth earphone is arranged in the pinna of the artificial ear, the tail ends of the auditory canals 14 of the left artificial ear 4 and the right artificial ear 5 are respectively provided with a connecting and testing table 15, an in-ear pickup 12 is respectively arranged in the auditory canals 14 of the left artificial ear 4 and the right artificial ear 5, the in-ear pickup 12 is used for collecting audio signals transmitted into the auditory canals, a group of debugging sockets 6 and debugging plugs 7 are respectively arranged at the upper ends of the debugging tables 2 at the outer sides of the left artificial ear 4 and the right artificial ear 5, the debugging sockets 6 are used for connecting the in-ear Bluetooth earphone, two sides of the top end inside the shielding case 1 are respectively provided with a noise generator 9 for producing test noise with different frequencies.
In this embodiment, earphone holder 3 is the arched door type, and the top dome outside is provided with the inner groovy, and the inner groovy is used for stabilizing wear-type bluetooth headset, prevents to rock and causes debugging error.
In this embodiment, the shape and the structure of the left artificial ear 4 and the right artificial ear 5 are similar to those of a real human ear, so that the noise environment received by the human ear is highly restored, the noise reduction debugging precision is improved, and the left artificial ear 4 and the right artificial ear 5 are prepared by a modeling 3D printing technology, so that the real structure of the human ear can be copied with higher precision.
In the embodiment, the position of the in-ear sound pickup 12 in the ear canal 14 is similar to the position of the auditory system of the human ear in the ear canal of the human ear, so that the real noise environment in the human ear can be restored more accurately, and the debugging accuracy is improved.
In this embodiment, the front surface of the connection test platform 15 is provided with a debugging jack 8, the front surfaces of the debugging platforms 2 below the debugging socket 6 and the debugging plug 7 are both provided with a debugging jack 8, and the debugging jack 8 is used for connecting each test component with the computer control end.
In this embodiment, the debugging plug 7 is disposed outside the debugging socket 6, and the bottom inside the debugging socket 6 is provided with the debugging contact pin for connecting the in-ear bluetooth headset, and the debugging socket 6 and the debugging plug 7 are connected with the debugging jack 8 that is located their own below respectively and are connected, and the pickup 12 is connected with the debugging jack 8 that is connected on the testboard 15 in the ear.
In the present embodiment, the noise generator 9 is inclined inward by 45 ° to form a noise environment surrounding the space inside the shield case 1, which highly restores the noise environment of human ears in real life.
In the present embodiment, the inner wall of the shielding case 1 is provided with a sound insulation filling layer 10 for absorbing the noise transmitted to the wall and preventing the noise from being interfered by the secondary noise caused by the rebound of the inner wall of the shielding case 1.
When the technical scheme is used, aiming at the in-ear Bluetooth earphone, firstly, the bottom of the in-ear Bluetooth earphone is inserted into a debugging socket 6, a sound pick-up and an analysis chip in the Bluetooth earphone are connected with a computer PC control, an earplug of the earphone is plugged into an ear pinna of a simulated ear, then a noise generator 9 sends noise with set frequency, the sound pick-up collects noise signals, the noise signals are transmitted to the analysis chip in the earphone, and a noise reduction loudspeaker is controlled to generate reverberation sound waves to counteract the noise signals, in the process, the sound pick-up of the earphone sound pick-up picks up audio signals of a couple and the reverberation sound waves generated by the noise reduction loudspeaker are recorded by the computer PC control end, the sound signals after noise reduction are transmitted to an ear canal 14 by the earphone sound pick-up 12, the computer PC control end judges whether the audio after noise reduction meets a noise reduction standard value or not, if not, and feeding back to a PC control end of the computer, adjusting the reverberating sound wave again until the noise reduction standard value is reached, and finishing the noise reduction debugging of the in-ear Bluetooth earphone.
Example 2
Referring to fig. 3 and 4, another preferred embodiment of the present invention is provided.
An auxiliary device for debugging the opposite ear of a Bluetooth earphone comprises a shielding case 1 and a debugging table 2, wherein the debugging table 2 is arranged inside the shielding case 1 to isolate the interference of the external environment, an earphone bracket 3 is arranged at the upper end of the debugging table 2, the earphone bracket 3 is used for erecting a headset, a left artificial ear 4 and a right artificial ear 5 are respectively arranged at the two sides of the bottom end of the earphone bracket 3, an in-ear Bluetooth earphone is arranged in the pinna of the artificial ear, the tail ends of the auditory canals 14 of the left artificial ear 4 and the right artificial ear 5 are respectively provided with a connecting and testing table 15, an in-ear pickup 12 is respectively arranged in the auditory canals 14 of the left artificial ear 4 and the right artificial ear 5, the in-ear pickup 12 is used for collecting audio signals transmitted into the auditory canals, a group of debugging sockets 6 and debugging plugs 7 are respectively arranged at the upper ends of the debugging tables 2 at the outer sides of the left artificial ear 4 and the right artificial ear 5, the debugging sockets 6 are used for connecting the in-ear Bluetooth earphone, two sides of the top end inside the shielding case 1 are respectively provided with a noise generator 9 for producing test noise with different frequencies.
In this embodiment, earphone holder 3 is the arched door type, and the top dome outside is provided with the inner groovy, and the inner groovy is used for stabilizing wear-type bluetooth headset, prevents to rock and causes debugging error.
In this embodiment, the shape and the structure of the left artificial ear 4 and the right artificial ear 5 are similar to those of a real human ear, so that the noise environment received by the human ear is highly restored, the noise reduction debugging precision is improved, and the left artificial ear 4 and the right artificial ear 5 are prepared by a modeling 3D printing technology, so that the real structure of the human ear can be copied with higher precision.
In the embodiment, the position of the in-ear sound pickup 12 in the ear canal 14 is similar to the position of the auditory system of the human ear in the ear canal of the human ear, so that the real noise environment in the human ear can be restored more accurately, and the debugging accuracy is improved.
In this embodiment, the front surface of the connection test platform 15 is provided with a debugging jack 8, the front surfaces of the debugging platforms 2 below the debugging socket 6 and the debugging plug 7 are both provided with a debugging jack 8, and the debugging jack 8 is used for connecting each test component with the computer control end.
In this embodiment, the debugging plug 7 is disposed outside the debugging socket 6, and the bottom inside the debugging socket 6 is provided with the debugging contact pin for connecting the in-ear bluetooth headset, and the debugging socket 6 and the debugging plug 7 are connected with the debugging jack 8 that is located their own below respectively and are connected, and the pickup 12 is connected with the debugging jack 8 that is connected on the testboard 15 in the ear.
In the present embodiment, the noise generator 9 is inclined inward by 45 ° to form a noise environment surrounding the space inside the shield case 1, which highly restores the noise environment of human ears in real life.
In the present embodiment, the inner wall of the shielding case 1 is provided with a sound insulation filling layer 10 for absorbing the noise transmitted to the wall and preventing the noise from being interfered by the secondary noise caused by the rebound of the inner wall of the shielding case 1.
When the technical scheme is used, aiming at the head-wearing Bluetooth earphone, firstly, the head-wearing Bluetooth earphone is erected on the earphone bracket 3, a debugging plug 7 is inserted into a jack at the bottom of an earphone body, a sound pick-up and an analysis chip in the Bluetooth earphone are connected with a computer PC control, the earphone body covers the pinna of a simulated ear, then a noise generator 9 sends noise with set frequency, the earphone sound pick-up collects noise signals, the noise signals are transmitted to the analysis chip in the earphone and control a noise reduction loudspeaker to generate reverse sound waves so as to offset the noise signals, in the process, the earphone sound pick-up audio signals and the reverse sound waves generated by the noise reduction loudspeaker are both recorded by a computer PC control end, the earphone loudspeaker transmits the noise-reduced audio signals into an auditory canal 14 and are picked up by the sound pick-up 12 in the ear, the computer PC control end judges whether the noise-reduced audio accords with a noise reduction standard value, if not, the data is fed back to the PC control end of the computer, and the sound waves are adjusted again until the noise reduction standard value is reached, and then the noise reduction debugging of the in-ear Bluetooth earphone is finished.
In the above embodiments, the PC controls the debugging jack 8 electrically connected to each test element through the test line to ensure the timely feedback of the signal, and the PC controls the noise reduction debugging of the earphone, which is a conventional technical means in the field, and therefore, more technical details are not described herein.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.

Claims (10)

1. The utility model provides an antithetical couplet ear debugging auxiliary device for bluetooth headset, includes shield cover and debugging platform, the debugging platform sets up inside the shield cover, its characterized in that, debugging bench end is provided with the earphone stand, earphone stand bottom both sides are provided with left artificial ear and right artificial ear respectively, the duct end of left artificial ear and right artificial ear all is provided with a connection test platform, all be provided with an in-ear adapter in the duct of left artificial ear and right artificial ear, the debugging bench end in the artificial ear in a left side and the right artificial ear outside is provided with a set of debugging socket and debugging plug respectively, the inside top both sides of shield cover respectively set up a noise generator.
2. The device as claimed in claim 1, wherein the earphone holder is arch-shaped, and an inner groove is formed on the outer side of the upper arch.
3. The apparatus of claim 2, wherein the left and right artificial ears are shaped and constructed to approximate real human ears, and are prepared by modeling 3D printing technology.
4. An in-ear fitting aid for a bluetooth headset according to claim 3, wherein the in-ear microphone is located in the ear canal at a position approximating a position in the ear canal of a hearing system of a human ear.
5. The device as claimed in claim 4, wherein the front surface of the test bench is provided with a debugging jack, and the front surfaces of the test benches under the debugging socket and the debugging plug are provided with a debugging jack.
6. The apparatus of claim 5, wherein the debug plug is disposed outside the debug socket.
7. The device as claimed in claim 6, wherein the bottom of the inside of the debugging socket is provided with a debugging pin.
8. The device as claimed in claim 7, wherein the debugging socket and the debugging plug are electrically connected with the debugging jack located below the debugging socket and the debugging plug respectively, and the in-ear microphone is electrically connected with the debugging jack on the connection testing platform.
9. The apparatus of claim 8, wherein the noise generator is inclined inward by 45 °.
10. The device as claimed in claim 9, wherein the shield case is provided with a sound insulation filling layer on the inner wall.
CN202111313148.7A 2021-11-08 2021-11-08 A to ear debugging auxiliary device for bluetooth headset Pending CN114025273A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114666719A (en) * 2022-03-01 2022-06-24 深圳市百泰实业股份有限公司 Noise reduction earphone testing device

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US20190037324A1 (en) * 2016-01-26 2019-01-31 Paul Darlington Method and Apparatus for Testing Earphone Apparatus
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