CN220307387U - TWS earphone testing arrangement - Google Patents
TWS earphone testing arrangement Download PDFInfo
- Publication number
- CN220307387U CN220307387U CN202321415406.7U CN202321415406U CN220307387U CN 220307387 U CN220307387 U CN 220307387U CN 202321415406 U CN202321415406 U CN 202321415406U CN 220307387 U CN220307387 U CN 220307387U
- Authority
- CN
- China
- Prior art keywords
- signal
- noise
- tested
- tws
- wind noise
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000012360 testing method Methods 0.000 title claims abstract description 41
- 238000004088 simulation Methods 0.000 claims description 29
- 230000005236 sound signal Effects 0.000 claims description 3
- 230000007613 environmental effect Effects 0.000 description 6
- 239000004744 fabric Substances 0.000 description 6
- 238000004891 communication Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 238000009423 ventilation Methods 0.000 description 3
- 238000012545 processing Methods 0.000 description 2
- GNFTZDOKVXKIBK-UHFFFAOYSA-N 3-(2-methoxyethoxy)benzohydrazide Chemical compound COCCOC1=CC=CC(C(=O)NN)=C1 GNFTZDOKVXKIBK-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000011946 reduction process Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Abstract
The utility model relates to a TWS earphone testing device, wherein the testing signals comprise a human voice signal, a wind noise signal and a pink noise signal; the TWS earphone testing device comprises: the device comprises a wind noise machine, a processor, a first power amplifier, a second power amplifier, an imitation person and a sound box; the noise-reducing device can record the noise-reducing environment signal in a wind noise environment or in a common environment of wind noise and pink noise, compare parameters of the human voice signal in a noise-free environment, accurately and intuitively analyze the noise-reducing result, and further improve the noise-reducing performance of the TWS earphone to be tested according to the noise-reducing result.
Description
Technical Field
The utility model relates to the technical field of TWS earphones, in particular to a TWS earphone testing device.
Background
With the improvement of life quality of people, electronic devices bring convenience to life of people, and have become an indispensable part.
Products such as headphones, bluetooth headphones, sound boxes, etc. are necessary for people to enjoy music or other dictations, and are widely used in households, vehicles, outdoors, etc.
TWS headphones, i.e. true wireless headphones, refer to a connection between two headphones and between the headphones and the mobile device, both in a wireless manner. Because the TWS earphone has the problems of small battery capacity and short standby time, the TWS earphone is generally matched with the earphone charging box. The earphone charging box can charge the TWS earphone and can also communicate with the TWS earphone.
The conversation quality of the TWS earphone rises to a new step, and the requirement of the earphone also rises to a new step, so that the conversation sound of the two parties can be clearly heard no matter in the roadside of a horse, in a restaurant, in a coffee shop, in a subway or in other relatively noisy environments.
However, at present, specific test devices for TWS active noise reduction are lacking, and developers can prepare visual noise reduction effect analysis and adopt corresponding noise reduction improvement for test results.
Accordingly, in the present patent application, the applicant has studied a TWS earphone testing device to solve the above-mentioned problems.
Disclosure of Invention
The utility model aims at overcoming the defects of the prior art, and mainly aims to provide a TWS earphone testing device which can record environmental signals after noise reduction processing in a wind noise environment or a common environment of wind noise and pink noise, compare parameters of human voice signals in a noise-free environment, accurately and intuitively analyze noise reduction results, and further improve noise reduction performance of TWS earphones to be tested according to the noise reduction results.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
a TWS earphone testing device located in a anechoic room and configured to receive a test signal, the test signal including a human voice signal, a wind noise signal, and a pink noise signal; the TWS headset testing device comprises:
wind noise machine: for generating a wind noise signal;
a processor: the device is used for receiving the test signal and respectively connecting the TWS earphone and the sound card to be tested;
a first power amplifier: the sound card is connected with the sound card and is used for amplifying and outputting pink noise signals;
and a second power amplifier: the voice card is connected with the voice card and is used for amplifying and outputting a voice signal;
imitation human: the simulation person comprises a simulation mouth for receiving and playing the sound signals of the person and a simulation ear for wearing the TWS earphone;
sound box: the sound box is connected with the first power amplifier and used for receiving and playing pink noise signals;
the processor is used for recording the environment signal subjected to noise reduction treatment of the earphone to be tested when the human voice signal and the wind noise signal are played, and comparing the environment signal with the human voice signal to obtain a noise reduction test result;
or the processor is used for recording the environment signal after the noise reduction treatment of the earphone to be tested when the human voice signal, the wind noise signal and the pink noise signal are simultaneously played, and comparing the environment signal with the human voice signal to obtain a noise reduction test result.
Compared with the prior art, the utility model has obvious advantages and beneficial effects, in particular: the noise reduction device mainly comprises a wind noise machine, a first power amplifier, a second power amplifier, a processor, a simulation person and a sound box, wherein the wind noise machine, the first power amplifier, the second power amplifier, the processor, the simulation person and the sound box are matched, environmental signals after noise reduction treatment in a wind noise environment or a common environment of wind noise and pink noise can be recorded, parameters of the human voice signals in a noise-free environment are compared, noise reduction results can be accurately and intuitively analyzed, and the noise reduction performance of the TWS earphone to be tested is further improved according to the noise reduction results.
In order to more clearly illustrate the structural features and efficacy of the present utility model, a detailed description thereof will be given below with reference to the accompanying drawings and examples.
Drawings
FIG. 1 is a schematic diagram of a preferred embodiment of the present utility model (mainly showing a microphone-to-talk wire connection processor of a TWS headset under test);
fig. 2 is another schematic structure of the preferred embodiment of the present utility model (mainly showing that the TWS headset to be tested is connected to the processor through the bluetooth adapter).
Reference numerals illustrate:
10. wind noise machine
20. Processor and method for controlling the same
31. TWS earphone to be measured
32. Sound card
33. First power amplifier
34. Second power amplifier 35 and Bluetooth adapter
40. Imitation human
41. Simulated mouth 42 and simulated ear
50. And a sound box.
Detailed Description
The utility model is further described below with reference to the drawings and detailed description.
As shown in fig. 1 and 2, a device for testing the communication quality of a TWS earphone 31 to be tested is located in a anechoic room and is used for receiving test signals, wherein the test signals include a voice signal, a wind noise signal and a pink noise signal; the device for testing the communication quality of the TWS headset 31 to be tested comprises:
wind noise machine 10: for generating a wind noise signal;
the processor 20: for receiving test signals and for connecting respectively the TWS headset 31, the sound card 32 to be tested;
first power amplifier 33: is connected to the sound card 32 for amplifying and outputting pink noise signals;
second power amplifier 34: is connected with the sound card 32 for amplifying and outputting the voice signal;
simulation person 40: the simulation person 40 is used for fixing the TWS headset 31 to be tested and is connected with the second power amplifier 34, and comprises a simulation mouth 41 for receiving and playing the human voice signals and a simulation ear 42 for wearing the TWS headset 31 to be tested;
sound box 50: the sound box 50 is connected with the first power amplifier 33 and is used for receiving and playing pink noise signals;
the processor 20 is configured to record an environmental signal after noise reduction processing of the earphone to be tested when the voice signal and the wind noise signal are played, and compare the environmental signal with the voice signal to obtain a noise reduction test result;
or, the processor 20 is configured to record the environmental signal after the noise reduction process of the earphone to be tested when the voice signal, the wind noise signal and the pink noise signal are played at the same time, and is configured to compare the environmental signal with the voice signal to obtain a noise reduction test result.
The method for testing the wind noise resistance of the TWS headset 31 to be tested is based on a device for testing the conversation quality of the TWS headset 31 to be tested, and comprises the following steps:
a. setting the wind speed of 5 meters/s for the wind noise machine 10 in a non-sounding room, setting the angle of the head of the simulation person 40 corresponding to the wind speed of the wind noise machine 10 to be a first angle at the position of 421 meters from the wind outlet of the wind noise machine 10, and wearing the TWS earphone 31 to be tested on the simulation ear 42;
b. connecting a first microphone lead of the TWS headset 31 to be tested to the sound card 32, respectively connecting the sound card 32 and a second power amplifier 34 by the processor 20, and connecting the second power amplifier 34 to the artificial mouth;
c. leading in a first human voice signal and playing the first human voice signal through the simulation nozzle 41, simultaneously starting the wind noise machine 10, simultaneously receiving the human voice signal and the wind noise signal by the first microphone of the TWS headset 31 to be tested, and recording and storing the signal received by the first microphone of the TWS headset 31 to be tested by the processor 20;
d. the second voice signal is led in and played through the simulation nozzle 41, meanwhile, the wind noise machine 10 is started, the first microphone of the TWS headset 31 to be tested only receives the wind noise signal, and the processor 20 records and saves the signal received by the first microphone of the TWS headset 31 to be tested;
e. c and d are repeated to obtain different recording signals by attaching a plurality of windproof mesh fabrics with different ventilation amounts to the sound inlet hole of the first microphone of the TWS headset 31 to be tested;
f. disconnecting the first microphone of the TWS headset 31 to be tested from the sound card 32, and then connecting the second microphone lead of the TWS headset 31 to be tested to the sound card 32;
g. leading in a first human voice signal and playing the first human voice signal through the simulation nozzle 41, simultaneously starting the wind noise machine 10, simultaneously receiving the human voice signal and the wind noise signal by the second microphone of the TWS headset 31 to be tested, and recording and storing the signal received by the second microphone of the TWS headset 31 to be tested by the processor 20;
h. leading in a second human voice signal and playing the second human voice signal through the simulation nozzle 41, starting the wind noise machine 10, enabling the second microphone of the TWS headset 31 to be tested to only receive the wind noise signal, and enabling the processor 20 to record and store the signal received by the second microphone of the TWS headset 31 to be tested;
i. and (c) attaching a plurality of windproof mesh fabrics with different ventilation amounts to the sound inlet holes of the second microphone of the TWS headset 31 to be tested, repeating the step g and the step h, and analyzing and comparing all recording signals so as to select the windproof mesh fabrics with optimal wind noise resistance effect. In this embodiment, one of the first angle and the second angle is 0 ° and the other is 90 °. One of the first microphone and the second microphone is a talking microphone, and the other is an FF microphone.
In the present embodiment, the above-described method is tested by separately wiring the talk microphone and the FF microphone to the sound card 32, respectively, which is a problem of discharging the pcba board in advance, and verifying in advance in the case of wind noise
The optimal structure design of the conversation microphone and the FF microphone can be used for selecting the optimal windproof mesh cloth in advance, so that the optimal windproof effect can be achieved in physical aspects.
The next test is performed by a pcba board, and a method for testing wind noise resistance of the to-be-tested TWS headset 31 is based on the device for testing the communication quality of the to-be-tested TWS headset 31, and comprises the following steps:
a. in a sound-free room, setting the wind speed of the wind noise machine 10 to be 5 meters/s, setting the angle of the head of the simulation person 40 corresponding to the wind speed of the wind noise machine 10 to be a first angle at the position of the wind outlet of the wind noise machine 10 from 421 meters to the simulation ear 42, and wearing the TWS earphone 31 to be tested on the simulation ear 42;
b. the TWS earphone 31 to be tested is connected with the processor 20 through the Bluetooth adapter 35, the TWS earphone 31 to be tested is switched to a communication mode, the processor 20 is connected with the sound card 32, the sound card 32 is respectively connected with the first power amplifier 33 and the second power amplifier 34, the first power amplifier 33 is connected with the sound box 50, and the second power amplifier 34 is connected with the artificial mouth;
c. leading in a first human voice signal and playing the first human voice signal through the simulation nozzle 41, starting the wind noise machine 10, receiving the TWS earphone 31 to be tested, and recording and storing the signal received by the TWS earphone 31 to be tested by the processor 20;
d. leading in a second human voice signal and playing the second human voice signal through the simulation nozzle 41, starting the wind noise machine 10, enabling the TWS earphone 31 to be tested to only receive wind noise signals, and enabling the processor 20 to record and store the signals received by the TWS earphone 31 to be tested;
f. setting the angle of the head of the simulation person 40 corresponding to the air outlet of the wind noise machine 10 from the first angle to the second angle, and repeating the steps c and d to obtain two recording signals;
g. c and d are repeated to obtain two other recording signals by simultaneously attaching a plurality of windproof mesh fabrics with different ventilation amounts to the sound inlet holes of the first microphone and the second microphone of the TWS headset 31 to be tested; and then analyzing and comparing all the recording signals, so as to select the windproof mesh cloth with optimal wind noise resistance effect. In this embodiment, one of the first angle and the second angle is 0 ° and the other is 90 °. One of the first microphone and the second microphone is a talking microphone, and the other is an FF microphone.
And then, the call test of the whole machine is carried out. The method for testing the conversation quality of the TWS headset 31 to be tested is based on the device for testing the conversation quality of the TWS headset 31 to be tested, and comprises the following steps:
a. in a sound-free room, setting the wind speed of the wind noise machine 10 to be 5 meters/s, setting the angle of the head of the simulation person 40 corresponding to the wind speed of the wind noise machine 10 to be 90 degrees at the position of the wind outlet of the wind noise machine 10 away from the simulation ear 421 meters, and wearing the TWS earphone 31 to be tested on the simulation ear 42;
b. the TWS earphone 31 to be tested is connected with the processor 20 through the Bluetooth adapter 35, the TWS earphone 31 to be tested is switched to a communication mode, the processor 20 is connected with the sound card 32, the sound card 32 is respectively connected with the first power amplifier 33 and the second power amplifier 34, the first power amplifier 33 is connected with the sound box 50, and the second power amplifier 34 is connected with the artificial mouth;
c. a section of human voice signal is led in and played through the simulation nozzle 41, a section of pink noise signal is led in and played through the sound box 50, meanwhile, the wind noise machine 10 is started, the TWS earphone 31 to be tested receives test signals at the same time, and the processor 20 records and stores the signals received by the TWS earphone 31 to be tested;
d. and c, superposing and analyzing part of the human voice signal received by the TWS earphone 31 to be tested and part of the pink noise signal in the step c by audio editing software to confirm whether the human voice signal can be heard.
The utility model is mainly characterized in that the environment signal after noise reduction treatment in the wind noise environment or the common environment of wind noise and pink noise can be recorded by matching the wind noise machine, the first power amplifier, the second power amplifier, the processor, the simulation person and the sound box, the noise reduction result can be accurately and intuitively analyzed by comparing the parameters of the human voice signal in the noise-free environment, and the noise reduction performance of the TWS earphone to be tested can be further improved according to the noise reduction result.
Claims (1)
1. The TWS earphone testing arrangement, its characterized in that: the device is positioned in a anechoic room and is used for receiving test signals, wherein the test signals comprise a man-made sound signal, a wind noise signal and a pink noise signal; the TWS headset testing device comprises:
wind noise machine: for generating a wind noise signal;
a processor: the device is used for receiving the test signal and respectively connecting the TWS earphone and the sound card to be tested;
a first power amplifier: the sound card is connected with the sound card and is used for amplifying and outputting pink noise signals;
and a second power amplifier: the voice card is connected with the voice card and is used for amplifying and outputting a voice signal;
imitation human: the simulation person comprises a simulation mouth for receiving and playing the sound signals of the person and a simulation ear for wearing the TWS earphone;
sound box: the sound box is connected with the first power amplifier and used for receiving and playing pink noise signals;
the processor is used for recording the environment signal subjected to noise reduction treatment of the earphone to be tested when the human voice signal and the wind noise signal are played, and comparing the environment signal with the human voice signal to obtain a noise reduction test result;
or the processor is used for recording the environment signal after the noise reduction treatment of the earphone to be tested when the human voice signal, the wind noise signal and the pink noise signal are simultaneously played, and comparing the environment signal with the human voice signal to obtain a noise reduction test result.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321415406.7U CN220307387U (en) | 2023-06-05 | 2023-06-05 | TWS earphone testing arrangement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321415406.7U CN220307387U (en) | 2023-06-05 | 2023-06-05 | TWS earphone testing arrangement |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220307387U true CN220307387U (en) | 2024-01-05 |
Family
ID=89352625
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321415406.7U Active CN220307387U (en) | 2023-06-05 | 2023-06-05 | TWS earphone testing arrangement |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220307387U (en) |
-
2023
- 2023-06-05 CN CN202321415406.7U patent/CN220307387U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103179495B (en) | The ear microphone of mobile terminal and the audio testing method of receiver and system | |
| CN103179240A (en) | Audio test method and system for mobile terminal | |
| CN212013054U (en) | Noise-reduction earphone testing equipment | |
| CN107221319A (en) | A kind of speech recognition test system and method | |
| US6035046A (en) | Recorded conversation method for evaluating the performance of speakerphones | |
| 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 | |
| CN101577922A (en) | Device and method for testing sound system of mobile phone sound | |
| CN109246574A (en) | A kind of Lightning ear microphone test macro and its test method | |
| CN105322985A (en) | System and method for testing Bluetooth connection of vehicle-borne multimedia equipment | |
| CN109743665A (en) | A kind of communication apparatus acoustic characteristic detection method | |
| US20090061843A1 (en) | System and Method for Measuring the Speech Quality of Telephone Devices in the Presence of Noise | |
| CN102970400B (en) | The method of testing that a kind of receiver is aging and system | |
| CN104796692B (en) | The echo cancellor method of testing and its system of a kind of tv audio harvester | |
| CN111491248A (en) | Audio detection system and audio detection method of electronic product | |
| CN111182116A (en) | Multi-channel audio testing device and testing method | |
| CN108235215B (en) | Wire control earphone testing device and testing circuit thereof | |
| CN220307387U (en) | TWS earphone testing arrangement | |
| CN108712218A (en) | A method of detection simulation talk back equipment closely utter long and high-pitched sounds possibility by call | |
| CN207854178U (en) | A kind of line control earphone test device | |
| CN116684804A (en) | TWS earphone testing device and method and TWS call quality testing method | |
| CN112995882B (en) | Intelligent equipment audio open loop test method | |
| CN108810745A (en) | It utters long and high-pitched sounds test method, utter long and high-pitched sounds test system and relevant apparatus | |
| CN209561002U (en) | A kind of tone testing equipment | |
| CN209170664U (en) | A kind of test macro for complete machine acoustics |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |