CN114374923A - Acoustic coupler for simulating acoustic characteristics of human ear - Google Patents
Acoustic coupler for simulating acoustic characteristics of human ear Download PDFInfo
- Publication number
- CN114374923A CN114374923A CN202111649408.8A CN202111649408A CN114374923A CN 114374923 A CN114374923 A CN 114374923A CN 202111649408 A CN202111649408 A CN 202111649408A CN 114374923 A CN114374923 A CN 114374923A
- Authority
- CN
- China
- Prior art keywords
- microphone
- fixedly connected
- sleeve
- reed
- acoustic
- 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.)
- Granted
Links
- 235000014676 Phragmites communis Nutrition 0.000 claims abstract description 50
- 230000007246 mechanism Effects 0.000 claims abstract description 34
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 12
- 238000004088 simulation Methods 0.000 claims abstract description 3
- 238000007789 sealing Methods 0.000 claims description 9
- 238000003825 pressing Methods 0.000 claims description 7
- 230000008859 change Effects 0.000 abstract description 12
- 210000005069 ears Anatomy 0.000 abstract description 7
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 238000005259 measurement Methods 0.000 abstract description 5
- 238000012360 testing method Methods 0.000 abstract description 5
- 238000001514 detection method Methods 0.000 abstract description 4
- 238000012856 packing Methods 0.000 abstract description 4
- 230000005540 biological transmission Effects 0.000 description 4
- BWWVXHRLMPBDCK-UHFFFAOYSA-N 1,2,4-trichloro-5-(2,6-dichlorophenyl)benzene Chemical compound C1=C(Cl)C(Cl)=CC(Cl)=C1C1=C(Cl)C=CC=C1Cl BWWVXHRLMPBDCK-UHFFFAOYSA-N 0.000 description 2
- 238000005056 compaction Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000691 measurement method Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R29/00—Monitoring arrangements; Testing arrangements
-
- 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
- H04R1/08—Mouthpieces; Microphones; Attachments therefor
- H04R1/083—Special constructions of mouthpieces
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Otolaryngology (AREA)
- Electrostatic, Electromagnetic, Magneto- Strictive, And Variable-Resistance Transducers (AREA)
- Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
Abstract
The invention provides an acoustic coupler for simulating the acoustic characteristics of human ears, and relates to the technical field of electroacoustic test equipment. This acoustic coupler of simulation people's ear acoustic characteristic, miaow head mechanism includes outer lane sleeve, netted piece, first breach reed, first (holding) chuck, sealed rubber ring, second breach reed, second (holding) chuck, complete reed, fixed shim, tighrening ring, rubber packing ring, miaow head sleeve, miaow head component, miaow head compact heap, miaow head lock sleeve, reinforcing ring and outer lane latch segment. When the microphone element receives sound wave information, the signal received by the PCB is converted into an electrical signal and then output to a computer, the microphone mechanism can change the cross-sectional area of the resistor during resonance so as to change the resistance value, and the current changes according to the change of speaking sound (sound wave frequency change), so that the electroacoustic measurement of the product can be carried out under definite acoustic conditions, the product detection efficiency is improved, and the product production efficiency is further improved.
Description
Technical Field
The invention relates to the technical field of electroacoustic test equipment, in particular to an acoustic coupler for simulating the acoustic characteristics of human ears.
Background
The metal microphone is a converter for converting sound energy into electric energy, and the electroacoustic tester is a special equipment for implementing electroacoustic measurement technique and ear subjective measurement sound technique and testing electroacoustic performance of electric equipment, and is equipped with correspondent software and special-purpose electroacoustic test accessories, and can implement test of electroacoustic performance of loudspeaker, receiver, earphone, microphone and earphone-microphone combination.
After the production of products is completed, the sounding function of the products needs to be detected, and the existing artificial measuring ears cannot enable the electroacoustic measurement of the products to be carried out under definite acoustic conditions, so that the detection efficiency of the products is low, and the production efficiency of the products is influenced.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides an acoustic coupler for simulating the acoustic characteristics of human ears, and solves the problems that the existing artificial ears cannot enable the electroacoustic measurement of products to be carried out under definite acoustic conditions, so that the product detection efficiency is low, and the product production efficiency is influenced.
(II) technical scheme
In order to achieve the purpose, the invention is realized by the following technical scheme: the utility model provides a simulation people's ear acoustic characteristic's acoustic coupler, includes foot rest mechanism, miaow head mechanism and audio disc, the inside fixed connection miaow head mechanism of foot rest mechanism, miaow head mechanism top output end fixed connection audio disc.
Preferably, the foot stool mechanism comprises a foot stool box, a PCB and supporting legs, the PCB is fixedly connected to the center of the bottom wall inside the foot stool box, and the supporting legs which are uniformly and annularly arranged in three groups are fixedly connected to the bottom wall of the foot stool box.
Preferably, the microphone mechanism comprises an outer ring sleeve, a net-shaped sheet, a first split reed, a first chuck, a sealing rubber ring, a second split reed, a second chuck, a complete reed, a fixing gasket, a fastening ring, a rubber washer, a microphone sleeve, a microphone element, a microphone pressing block, a microphone locking sleeve, a reinforcing ring and an outer ring locking block, wherein the outer ring locking block is fixedly connected to the top of the foot base box, the outer side of the top of the outer ring locking block is fixedly connected with the outer ring sleeve, an output port of the top wall inside the outer ring sleeve is fixedly connected with the net-shaped sheet, the bottom wall of the net-shaped sheet is fixedly connected with the first split reed, the bottom wall of the first split reed is fixedly connected with the first chuck, the bottom wall of the first chuck is fixedly connected with the second split reed, the split bottom wall of the second reed is fixedly connected with the second chuck, the bottom wall of the second chuck is fixedly connected with the complete reed, and the bottom wall of the complete reed is fixedly connected with the fixing gasket, the fixing gasket diapire fixed connection tighrening ring, outer lane latch segment roof fixed connection miaow head lock sleeve, miaow head lock sleeve roof center fixed connection miaow head sleeve, lower part fixed connection anchor ring in the miaow head lock sleeve inside wall, anchor ring top fixed connection miaow head compact heap, the inside fixed connection miaow head component of miaow head compact heap, the miaow head component extends to inside the miaow head sleeve.
Preferably, the top of the outer ring locking block is fixedly connected with a sound receiving disc, and a plurality of groups of sound receiving holes are uniformly formed in the center of the sound receiving disc.
Preferably, the output end of the microphone element is connected with the input end of the PCB through a wire.
Preferably, a group of sealing rubber rings are fixedly connected inside the first chuck plate and the second chuck plate.
Preferably, netted piece, first breach reed, first (holding) chuck, sealed rubber ring, second breach reed, second (holding) chuck, complete reed, fixed shim, tighrening ring, rubber packing ring, miaow head sleeve, miaow head component, miaow head compact heap, miaow head lock sleeve and reinforcing ring all set up inside outer lane sleeve, and are the coaxial center setting.
Preferably, the fixed gasket and the inner side wall of the rubber gasket are fixedly connected to the middle upper part of the microphone sleeve, and the inner side wall of the fastening ring is fixedly connected with the rubber gasket.
The working principle is as follows: the coupler is fixedly placed at a position to be detected through a supporting leg additionally arranged at the bottom of a foot stool box, electroacoustic sound waves emitted by equipment enter the inner part of an outer ring sleeve through a sound transmission hole arranged on a sound receiving disc, the sound waves drive the coupler to be received by a microphone element through a net-shaped sheet, a first split reed, a second split reed and a complete reed, so that the microphone element resonates with the sound waves in the microphone sleeve through a microphone pressing block fixed at the bottom, a fixing gasket and a fastening ring drive the outer ring sleeve to resonate along with the sound waves, the microphone pressing block is matched with the microphone element to vibrate, the sound waves cause the microphone mechanism to resonate, the microphone mechanism and the rest part form a special resistor, the cross-sectional area of the resistor can be changed when the microphone structure resonates, so that the resistance value is changed, the voltage is unchanged, the current is changed according to the change of sound waves, and the microphone element receives sound wave information, the PCB board receives signals of the microphone element and converts the signals into electric signals to be output to a computer, and the personnel judge and detect the electric signals transmitted by the PCB board.
(III) advantageous effects
The invention provides an acoustic coupler for simulating the acoustic characteristics of human ears. The method has the following beneficial effects:
the invention makes the electroacoustic sound wave sent by the equipment enter the inner part of the outer ring sleeve through the sound transmission hole arranged on the sound receiving disc by the added microphone mechanism, the sound wave drives the electroacoustic sound wave to be received by the microphone element through the reticular sheet, the first split reed, the second split reed and the complete reed, the microphone element resonates with the sound wave in the microphone sleeve through the microphone compaction block fixed at the bottom, the fixed gasket and the fastening ring drive the outer ring sleeve to resonate along with the sound wave, the microphone compaction block vibrates in cooperation with the microphone element, the sound wave causes the microphone mechanism to resonate, the microphone mechanism and the rest part form a special resistor, when the microphone element receives the sound wave information, the signal of the microphone element received by the PCB board is converted into an electric signal and then is output to a computer, the cross-sectional area of the resistor can be changed when the microphone mechanism resonates, so as to change the resistance value, the voltage is not changed, and the current is changed according to the change of the speaking sound (the change of the sound wave frequency), the electroacoustic measurement of the product can be carried out under definite acoustic conditions, the product detection efficiency is improved, and the product production efficiency is further improved.
Drawings
FIG. 1 is an isometric illustration of the present invention;
FIG. 2 is a schematic front view of the internal structure of the present invention;
fig. 3 is a schematic unfolding view of the microphone mechanism structure of the present invention.
Wherein, 1, a foot seat mechanism; 2. a microphone mechanism; 3. a sound receiving disc; 101. a foot box; 102. a PCB board; 103. supporting legs; 201. an outer race sleeve; 202. a mesh sheet; 203. a first split reed; 204. a first chuck; 205. sealing the rubber ring; 206. a second split reed; 207. a second chuck; 208. a complete reed; 209. fixing a gasket; 210. a fastening ring; 211. a rubber gasket; 212. a microphone sleeve; 213. a microphone element; 214. a microphone compact block; 215. a microphone locking sleeve; 216. a reinforcing ring; 217. and an outer ring locking block.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example (b):
as shown in fig. 1-3, an acoustic coupler for simulating acoustic characteristics of human ears according to an embodiment of the present invention includes a base mechanism 1, a microphone mechanism 2, and a sound-receiving disc 3, wherein the base mechanism 1 is fixedly connected to the microphone mechanism 2, and an output end of a top of the microphone mechanism 2 is fixedly connected to the sound-receiving disc 3.
The foot seat mechanism 1 comprises a foot seat box 101, a PCB (printed circuit board) 102 and supporting legs 103, the PCB 102 is fixedly connected with the center of the bottom wall inside the foot seat box 101, the supporting legs 103 which are uniformly and annularly arranged in three groups are fixedly connected with the bottom wall of the foot seat box 101, and the coupler is fixedly placed at a position to be detected through the supporting legs 103 additionally arranged at the bottom of the foot seat box 101.
The microphone mechanism 2 comprises an outer ring sleeve 201, a net-shaped sheet 202, a first split reed 203, a first chuck 204, a sealing rubber ring 205, a second split reed 206, a second chuck 207, a complete reed 208, a fixed gasket 209, a fastening ring 210, a rubber gasket 211, a microphone sleeve 212, a microphone element 213, a microphone clamping block 214, a microphone locking sleeve 215, a reinforcing ring 216 and an outer ring locking block 217, wherein the outer ring locking block 217 is fixedly connected to the top of the microphone box 101, the outer side of the top of the outer ring locking block 217 is fixedly connected with the outer ring sleeve 201, an output port of the top wall inside the outer ring sleeve 201 is fixedly connected with the net-shaped sheet 202, the bottom wall of the net-shaped sheet 202 is fixedly connected with the first split reed 203, the bottom wall of the first split reed 203 is fixedly connected with the first chuck 204, the bottom wall of the first chuck 204 is fixedly connected with the second split reed 206, the bottom wall of the second split reed 206 is fixedly connected with the second chuck 207, and the bottom wall of the second chuck 207 is fixedly connected with the complete reed 208, the bottom wall of the complete reed 208 is fixedly connected with a fixed gasket 209, the bottom wall of the fixed gasket 209 is fixedly connected with a fastening ring 210, the top wall of an outer ring locking block 217 is fixedly connected with a microphone locking sleeve 215, the center of the top wall of the microphone locking sleeve 215 is fixedly connected with a microphone sleeve 212, the middle lower part of the inner side wall of the microphone locking sleeve 215 is fixedly connected with a reinforcing ring 216, the top part of the reinforcing ring 216 is fixedly connected with a microphone clamping block 214, a microphone element 213 is fixedly connected inside the microphone clamping block 214, electroacoustic sound waves emitted by equipment enter the inner part of the outer ring sleeve 201 through a sound transmission hole arranged on a sound receiving disc 3, the sound waves are received by the microphone element 213 through a mesh sheet 202, a first split reed 203, a second split 206 and the complete reed 208, the microphone element 213 extends to the inner part of the microphone sleeve 212, so that the microphone element 213 resonates with the sound waves inside the microphone sleeve 212 through the microphone clamping block 214 fixed at the bottom, the fixed gasket 209 and the fastening ring 210 can drive the outer ring sleeve 201 to resonate with each other, the microphone clamping block 214 is matched with the microphone element 213 to vibrate, sound waves cause the microphone mechanism 2 to resonate, the top of the outer ring locking block 217 is fixedly connected with the sound receiving disc 3, a plurality of groups of sound receiving holes are uniformly formed in the center of the sound receiving disc 3, electroacoustic sound waves emitted by the equipment enter the inner part of the outer ring sleeve 201 through the sound transmitting holes formed in the sound receiving disc 3, the output end of the microphone element 213 is connected with the input end of the PCB 102 through a lead, a group of sealing rubber rings 205 are fixedly connected in the first chuck 204 and the second chuck 207, the net-shaped sheet 202, the first split reed 203, the first chuck 204, the sealing rubber rings 205, the second split reed 206, the second chuck 207, the complete reed 208, the fixed gasket 209, the fastening ring 210, the rubber gasket 211, the microphone sleeve 212, the microphone element 213, the microphone clamping block 214, the microphone clamping sleeve 215 and the reinforcing ring 216 are all arranged in the same axis as the microphone element, fixed shim 209 and the equal fixed connection of rubber packing 211 inside wall are upper portion in miaow head sleeve 212, fastening ring 210 inside wall fixed connection rubber packing 211, miaow head mechanism 2 constitutes a special resistance with other parts, thereby can change the cross-sectional area of this resistance when miaow head structure resonates and change the resistance value, voltage is unchangeable, just it changes according to the sound change of speaking (sound wave frequency change) and form the electric current, miaow head component 213 receives the sound wave information in the time, PCB board 102 receives miaow head component 213's signal transformation and exports the computer after the electric signal, personnel judge through the electric signal of PCB board 102 transmission and detect.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The utility model provides a simulation people's ear acoustic characteristic's acoustic coupler, includes foot rest mechanism (1), miaow head mechanism (2) and audio disc (3), its characterized in that: the microphone is characterized in that the inner part of the foot seat mechanism (1) is fixedly connected with the microphone mechanism (2), and the top output end of the microphone mechanism (2) is fixedly connected with the audio disc (3).
2. An acoustic coupler for simulating the acoustic characteristics of the human ear, according to claim 1, wherein: the foot seat mechanism (1) comprises a foot seat box (101), a PCB (printed circuit board) board (102) and supporting legs (103), the PCB board (102) is fixedly connected to the center of the bottom wall inside the foot seat box (101), and the supporting legs (103) which are uniformly and annularly arranged in three groups are fixedly connected to the bottom wall of the foot seat box (101).
3. An acoustic coupler for simulating the acoustic characteristics of the human ear, according to claim 1, wherein: the microphone mechanism (2) comprises an outer ring sleeve (201), a net-shaped sheet (202), a first split reed (203), a first chuck (204), a sealing rubber ring (205), a second split reed (206), a second chuck (207), a complete reed (208), a fixing gasket (209), a fastening ring (210), a rubber gasket (211), a microphone sleeve (212), a microphone element (213), a microphone pressing block (214), a microphone locking sleeve (215), a reinforcing ring (216) and an outer ring locking block (217), wherein the outer ring locking block (217) is fixedly connected to the top of the microphone box (101), the outer ring sleeve (201) is fixedly connected to the outer side of the top of the outer ring locking block (217), an inner top wall output port of the outer ring sleeve (201) is fixedly connected with the net-shaped sheet (202), the bottom wall of the net-shaped sheet (202) is fixedly connected with the first split reed (203), and the bottom wall of the first split reed (203) is fixedly connected with the first chuck (204), the bottom wall of the first clamping disc (204) is fixedly connected with a second split reed (206), the bottom wall of the second split reed (206) is fixedly connected with a second clamping disc (207), the bottom wall of the second clamping plate (207) is fixedly connected with a complete reed (208), the bottom wall of the complete reed (208) is fixedly connected with a fixed gasket (209), the bottom wall of the fixed gasket (209) is fixedly connected with a fastening ring (210), the top wall of the outer ring locking block (217) is fixedly connected with a microphone locking sleeve (215), the center of the top wall of the microphone locking sleeve (215) is fixedly connected with a microphone sleeve (212), the middle lower part of the inner side wall of the microphone locking sleeve (215) is fixedly connected with a reinforcing ring (216), the top of the reinforcing ring (216) is fixedly connected with a microphone pressing block (214), the inside of the microphone pressing block (214) is fixedly connected with a microphone element (213), and the microphone element (213) extends to the inside of the microphone sleeve (212).
4. An acoustic coupler for simulating the acoustic characteristics of the human ear according to claim 3, wherein: the top of the outer ring locking block (217) is fixedly connected with the sound receiving disc (3), and a plurality of groups of sound receiving holes are uniformly formed in the center of the sound receiving disc (3).
5. An acoustic coupler for simulating the acoustic characteristics of the human ear according to claim 3, wherein: the output end of the microphone element (213) is connected with the input end of the PCB (102) through a lead.
6. An acoustic coupler for simulating the acoustic characteristics of the human ear according to claim 3, wherein: and a group of sealing rubber rings (205) are fixedly connected inside the first chuck (204) and the second chuck (207).
7. An acoustic coupler for simulating the acoustic characteristics of the human ear according to claim 3, wherein: the microphone comprises a mesh sheet (202), a first split reed (203), a first chuck (204), a sealing rubber ring (205), a second split reed (206), a second chuck (207), a complete reed (208), a fixing gasket (209), a fastening ring (210), a rubber gasket (211), a microphone sleeve (212), a microphone element (213), a microphone pressing block (214), a microphone locking sleeve (215) and a reinforcing ring (216), which are all arranged inside an outer ring sleeve (201) and are coaxially arranged.
8. An acoustic coupler for simulating the acoustic characteristics of the human ear according to claim 3, wherein: the fixing gasket (209) and the inner side wall of the rubber gasket (211) are fixedly connected to the middle upper part of the microphone sleeve (212), and the inner side wall of the fastening ring (210) is fixedly connected with the rubber gasket (211).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111649408.8A CN114374923B (en) | 2021-12-30 | 2021-12-30 | Acoustic coupler for simulating acoustic characteristics of human ears |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111649408.8A CN114374923B (en) | 2021-12-30 | 2021-12-30 | Acoustic coupler for simulating acoustic characteristics of human ears |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114374923A true CN114374923A (en) | 2022-04-19 |
| CN114374923B CN114374923B (en) | 2024-03-19 |
Family
ID=81142535
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111649408.8A Active CN114374923B (en) | 2021-12-30 | 2021-12-30 | Acoustic coupler for simulating acoustic characteristics of human ears |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114374923B (en) |
Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4586194A (en) * | 1983-03-09 | 1986-04-29 | Hitachi, Ltd. | Earphone characteristic measuring device |
| US20100092001A1 (en) * | 2008-10-15 | 2010-04-15 | Siemens Audiologische Technik Gmbh | Coupler for open fitting hearing aid measurements |
| TW201106272A (en) * | 2009-08-14 | 2011-02-16 | Univ Nat Chiao Tung | Headset acoustics simulation system and optimized simulation method |
| CN103027688A (en) * | 2012-11-06 | 2013-04-10 | 北京交通大学 | Otoacoustic emission simulation and test system |
| CN208241890U (en) * | 2018-05-23 | 2018-12-14 | 深圳市桥桥科技有限公司 | A kind of test equipment based on artificial ear |
| CN208258007U (en) * | 2018-04-25 | 2018-12-18 | 东莞市麦尔电子科技有限公司 | A kind of microphone of installation easy to disassemble |
| CN109246574A (en) * | 2018-10-17 | 2019-01-18 | 杭州兆华电子有限公司 | A kind of Lightning ear microphone test macro and its test method |
| CN208768233U (en) * | 2018-08-24 | 2019-04-19 | 浩云科技股份有限公司 | A kind of digital sound pick-up of single direction |
| CN209627650U (en) * | 2019-06-12 | 2019-11-12 | 合肥卓飞网络科技有限公司 | A kind of microphone on bluetooth headset |
| CN211267057U (en) * | 2020-01-09 | 2020-08-14 | 林丹丹 | Differential pressure type omnidirectional electret noise reduction microphone |
| CN112929774A (en) * | 2021-03-26 | 2021-06-08 | 佛山市海馨乐电声科技有限公司 | Capacitor microphone core with shunt channel |
| CN113225645A (en) * | 2020-02-06 | 2021-08-06 | 奥迪克斯公司 | Integrated acoustic coupler for in-ear monitor in professional sound industry |
| CN214544794U (en) * | 2021-03-30 | 2021-10-29 | 深圳市博音电声科技有限公司 | Microphone structure for acoustic sensitivity test |
-
2021
- 2021-12-30 CN CN202111649408.8A patent/CN114374923B/en active Active
Patent Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4586194A (en) * | 1983-03-09 | 1986-04-29 | Hitachi, Ltd. | Earphone characteristic measuring device |
| US20100092001A1 (en) * | 2008-10-15 | 2010-04-15 | Siemens Audiologische Technik Gmbh | Coupler for open fitting hearing aid measurements |
| TW201106272A (en) * | 2009-08-14 | 2011-02-16 | Univ Nat Chiao Tung | Headset acoustics simulation system and optimized simulation method |
| CN103027688A (en) * | 2012-11-06 | 2013-04-10 | 北京交通大学 | Otoacoustic emission simulation and test system |
| CN208258007U (en) * | 2018-04-25 | 2018-12-18 | 东莞市麦尔电子科技有限公司 | A kind of microphone of installation easy to disassemble |
| CN208241890U (en) * | 2018-05-23 | 2018-12-14 | 深圳市桥桥科技有限公司 | A kind of test equipment based on artificial ear |
| CN208768233U (en) * | 2018-08-24 | 2019-04-19 | 浩云科技股份有限公司 | A kind of digital sound pick-up of single direction |
| CN109246574A (en) * | 2018-10-17 | 2019-01-18 | 杭州兆华电子有限公司 | A kind of Lightning ear microphone test macro and its test method |
| CN209627650U (en) * | 2019-06-12 | 2019-11-12 | 合肥卓飞网络科技有限公司 | A kind of microphone on bluetooth headset |
| CN211267057U (en) * | 2020-01-09 | 2020-08-14 | 林丹丹 | Differential pressure type omnidirectional electret noise reduction microphone |
| CN113225645A (en) * | 2020-02-06 | 2021-08-06 | 奥迪克斯公司 | Integrated acoustic coupler for in-ear monitor in professional sound industry |
| US20210250671A1 (en) * | 2020-02-06 | 2021-08-12 | Audix Corporation | Integrated acoustic coupler for professional sound industry in-ear monitors |
| CN112929774A (en) * | 2021-03-26 | 2021-06-08 | 佛山市海馨乐电声科技有限公司 | Capacitor microphone core with shunt channel |
| CN214544794U (en) * | 2021-03-30 | 2021-10-29 | 深圳市博音电声科技有限公司 | Microphone structure for acoustic sensitivity test |
Non-Patent Citations (1)
| Title |
|---|
| 钱利军;: "双通道电声仪在传声器频响测量中的应用", 电声技术, no. 09 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114374923B (en) | 2024-03-19 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN111065035B (en) | Bone conduction earphone testing method and testing system | |
| CN103179495A (en) | Audio test method and system for earphone microphone and receiver of mobile terminal | |
| CN101984680B (en) | Test device of pressure microphone and test method thereof | |
| CN108401204A (en) | A kind of novel active noise reduction earphone | |
| CN103179240A (en) | Audio test method and system for mobile terminal | |
| CN101466062A (en) | Calibration method and apparatus for ear plug type transducer for ear acoustic emission audition detection | |
| CN107071683A (en) | Radio communication headset detection apparatus and method | |
| CN104601769A (en) | Automatic mobile phone main board audio testing system | |
| CN103179496A (en) | Audio test method and system for earphone microphone and receiver of mobile terminal | |
| CN109743665A (en) | A kind of communication apparatus acoustic characteristic detection method | |
| CN103181197A (en) | Method for testing a hearing device as well as an arrangement for testing a hearing device | |
| CN207531083U (en) | Wirelessly communicate headset detection device | |
| CN110891236A (en) | Method and device for realizing production test of multi-microphone array | |
| CN114374923A (en) | Acoustic coupler for simulating acoustic characteristics of human ear | |
| CN104168532A (en) | Method and apparatus for abnormal noise detection of loudspeaker | |
| WO2008016587A3 (en) | Calibration system for telephone | |
| CN213186560U (en) | Audio test system | |
| CN208434113U (en) | Microphone test device and system | |
| CN111385726A (en) | Audio test system, method and computer readable storage medium | |
| CN209914069U (en) | Testing device | |
| CN1988567A (en) | System, device and method for detecting terminal audio signal strength | |
| CN205228630U (en) | Noise detection compares device | |
| CN111092668B (en) | Method and system for testing ambient noise suppression characteristics of talkback terminal | |
| CN106197882A (en) | The method judging Microspeaker module seal | |
| CN111092667B (en) | Method and system for testing audio setup time of intercom terminal |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |