CN207039903U - A kind of audio frequency vibration test device - Google Patents
A kind of audio frequency vibration test device Download PDFInfo
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- CN207039903U CN207039903U CN201721048358.7U CN201721048358U CN207039903U CN 207039903 U CN207039903 U CN 207039903U CN 201721048358 U CN201721048358 U CN 201721048358U CN 207039903 U CN207039903 U CN 207039903U
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Abstract
The utility model discloses a kind of audio frequency vibration test device, includes data processing module, signal generating module, bone-conduction speaker, acceleration transducer and signal acquisition module；Data processing module sends the first data-signal to signal generating module, first data-signal is converted into audio signal and sent to bone-conduction speaker by signal generating module, audio signal is converted into audio frequency vibration signal by bone-conduction speaker, audio frequency vibration signal is converted to electric signal by acceleration transducer, and electric signal is sent to signal acquisition module, signal acquisition module, which receives electric signal and is translated into data signal, is sent to data processing module, data processing module analyzes and processes to the data signal received with being sent to the data message of signal generator, the shape information of display terminal display data processing module, realize the test to bone-conduction speaker, test bone conduction audio-frequency signal and display frequency response curve.
Description
Technical field
Audio-frequency test field is the utility model is related to, especially a kind of audio frequency vibration test device.
Background technology
Frequency response curve is an important indicator of speaker performance, and it reflects loudspeaker at different frequencies
Sensitivity, the performance of Validity Test loudspeaker is capable of by the frequency response curve of test loudspeaker.Existing test loudspeaker
The device of frequency response curve is for testing conductance loudspeaker.Test device is collected conductance loudspeaker by microphone and driven
The sound pressure variations that air vibration triggers, analysis obtain the frequency response of loudspeaker.But during to bone-conduction speaker, this method
No longer it is applicable.Because vibration is directly delivered to bone by bone-conduction speaker, so as to be delivered to inner ear, without passing through
Eardrum, it need not trigger the vibration of air in the course of the work.Thus microphone can not receive bone-conduction speaker generation
Audio signal, the test device based on conductance loudspeaker can not be tested bone-conduction speaker.
A kind of audio frequency vibration test device of this technology description, which have effectively achieved, tests bone-conduction speaker, should
Device has made the artificial head structure for bone-conduction speaker, for fixing bone-conduction speaker, improves the reliable of test
Property and accuracy.
The device has monaural test pattern and ears test pattern respectively, can test independent bone-conduction speaker performance,
Two bone-conduction speakers of earphone can be tested simultaneously, make global consistency higher.
Utility model content
A kind of audio frequency vibration test device of the utility model description, includes data processing module, signal generating module, bone
Conduction speaker, acceleration transducer and signal acquisition module；Data processing module and display terminal, signal generating module, letter
The connection of number acquisition module, signal generating module are connected with bone-conduction speaker, and bone-conduction speaker is connected with acceleration transducer,
Acceleration transducer is connected with signal acquisition module；Data processing module sends the first data-signal to signal generating module, letter
Number module occurs is converted into the first data-signal audio signal and sends to bone-conduction speaker, bone-conduction speaker and believe audio
Number be converted into audio frequency vibration signal, audio frequency vibration signal is converted to electric signal by acceleration transducer, and by electric signal send to
Signal acquisition module.
Further, signal acquisition module converts electrical signals to the second data-signal and sent to data processing module.
Further, data processing module receives the second data-signal, and is compared with the first data-signal.
Further, data processing module sends comparison result to a display terminal.
Further, bone-conduction speaker is further divided into left speaker and right speaker, signal generating module choosing
Transmission audio signal to left speaker or the right speaker, or selection for selecting formula sends audio signal to left speaker simultaneously
And right speaker.
Further, left speaker generation left side audio vibration signal, right speaker generation right audio vibration letter
Number, left side audio vibration signal is converted to left side electric signal, right audio vibration signal is converted into the right side by acceleration transducer
Left side electric signal is converted to the first data-signal of left side, right side electric signal is converted into the right side by side electric signal, signal acquisition module
The data-signal of side first.
Further, data processing module generates a series of first data-signal, is sent within a test period
Signal generating module, signal generating module is set to produce the sequence of audio signal of corresponding first data-signal.
Further, data processing module includes data storage element, the corresponding sequence of audio of data storage cell storage
Second data-signal of signal.
Further, the first data-signal includes high audio data signal, sound intermediate frequency data-signal and bass data letter
Number.
Further, acceleration transducer is arranged in an artificial head structure.
The beneficial effects of the utility model are：The frequency that bone conduction speaker is tested by a kind of audio frequency vibration test device is rung
Answer curve.The device changes the frequency response curve method of testing of conductance loudspeaker, and Mike is replaced using acceleration transducer
Wind receives the vibration information of bone-conduction speaker, can be used to test bone conduction audio-frequency signal and frequency response curve.Should
Device, which realizes, to be tested bone-conduction speaker, and the device has made the artificial head structure for bone-conduction speaker,
For fixing bone-conduction speaker, the reliability and accuracy of test are improved.The device has monaural test pattern and ears respectively
Test pattern, independent bone-conduction speaker performance can be tested, can also test two bone-conduction speakers of earphone simultaneously, make entirety
Uniformity is higher.
Brief description of the drawings
Fig. 1 is a kind of structure composition schematic diagram of audio frequency vibration test device of the utility model.
Fig. 2 is the utility model audio-frequency test implementation process schematic diagram.
Embodiment
Various aspects of the present utility model are described below.It is to be understood that the utility model can be with varied shape
Formula embodies, and any concrete structure disclosed herein, function or both are only representational.Based on this practicality
New, those skilled in the art are it is to be understood that one aspect disclosed herein can be real independently of any other aspect
It is existing, and two or more aspects in these aspects can combine in various manners.It is it is, for example, possible to use described here
Any number of aspect, realization device or put into practice method.Further, it is possible to use other structures, function or except this paper explained
It is not outside the one or more aspects stated or the 26S Proteasome Structure and Function of one or more aspects described herein, realizes this dress
Put or put into practice this method.In addition, any aspect described herein can include at least one element of claim.
For ease of understanding the utility model, illustrated below in conjunction with diagram.
As shown in figure 1, it is the utility model audio frequency vibration test device structure composition schematic diagram.Audio frequency vibration test device
Include display terminal, data processing module, signal generating module, bone-conduction speaker, acceleration transducer, signal acquisition mould
Block, data processing module are connected with display terminal, signal generating module, signal acquisition module, signal generating module and osteoacusis
Loudspeaker is connected, and bone-conduction speaker is connected with acceleration transducer, and acceleration transducer is connected with signal acquisition module.
As shown in Fig. 2 be the utility model audio frequency vibration test device audio-frequency test implementation process schematic diagram, data processing
Module generates a series of data message, is sent to signal generating module, and signal generating module receives the number of data processing module
It is believed that breath, generation audio signal is sent to bone-conduction speaker, and the audio signal of module occurs for bone-conduction speaker reception signal,
It is translated into audio frequency vibration signal and is sent to acceleration transducer, the audio that acceleration transducer receives bone-conduction speaker is shaken
Dynamic signal, it is translated into electric signal and is sent to signal acquisition module, signal acquisition module receives the telecommunications of acceleration transducer
Number it is translated into the readable data signal of data processing module and is sent to data processing module, data processing module believes numeral
Sent after number being handled to display terminal, display terminal receives the shape information from data processing module and shown.
In test process is carried out using the utility model audio frequency vibration test device, data processing module can be made one
In individual test period, a series of data message is generated, and these data messages are sent to signal generating module, signal occurs
Module corresponds to these data messages and produces sequence of audio signal, and these audio signals include high audio data signal, sound intermediate frequency
Data-signal and bass data-signal, high audio data signal frequency range are 3500Hz-20000Hz, and sound intermediate frequency data are believed
Number frequency range is 250Hz-3500Hz, and bass frequency data signal scope is 20Hz-250Hz, afterwards, data processing module
Within a test period, receive by a series of data signals of these audio signals of the correspondence of signal acquisition module output, and
Stored；Now, the data signal and be sent to signal hair that data processing module is sent to the signal acquisition module received
The data message of raw device is analyzed and processed, and generates result, and be sent to display terminal.Further, data processing mould
The data signal that block is sent to the signal acquisition module received is carried out at analysis with being sent to the data message of signal generator
Reason, and generates result, and this process synchronously can carry out or complete within a test period only again after a test period
It is vertical to calculate.
In addition, bone-conduction speaker can be divided into left speaker and right speaker, signal generating module selecting type
Send audio signal to left speaker or right speaker, or selection and send audio signal to left speaker and right side simultaneously
Loudspeaker, imply that in test, unilateral bone-conduction speaker can be tested or test the bone-conduction speaker on both sides simultaneously.Bone
Conduction speaker can be further arranged on outside artificial head, and may be provided at diverse location, thereby can determine whether actually using
During, bone-conduction speaker wears influence of the position to sound effect.
In the present embodiment, audio frequency vibration test device is mainly used in testing the frequency response curve of bone-conduction speaker,
Technology implementation process using audio frequency vibration test device of the present utility model test bone conduction earphone is to fill bone conduction earphone
It is located in artificial head structure, acceleration transducer is set in artificial head structure, there is provided signal source, i.e. data processing module
The data message sent is converted to audio signal by signal generating module, and the bone that audio signal is sent in bone conduction earphone passes
Loudspeaker is led, audio frequency vibration signal is converted into by bone-conduction speaker, audio frequency vibration signal is transmitted by artificial head structure
To acceleration transducer, acceleration transducer is converted into electric signal after receiving audio frequency vibration signal, then electric signal is sent into letter
Number acquisition module, signal acquisition module converts electrical signals to data signal, then data signal is sent into data processing module,
Data processing module receives a series of data signal exported by signal acquisition module, and is stored, the number that will be received
Word signal and the information progress Treatment Analysis for being sent to the signal generating module, generate result, result is shown in
On display terminal, display result realizes the audio-frequency test to product to be tested earphone compared with standard items.
The utility model specific embodiment is the foregoing is only, is not limited to right model of the present utility model
Enclose；Description more than simultaneously, should be appreciated that and implement for the special personage of correlative technology field, therefore other are without departing from this practicality
The equivalent change or modification completed under new disclosed spirit, should be included in claim.
Those skilled in the art will also understand is that, the various illustrative logical blocks with reference to described by disclosure herein, mould
Block, circuit and algorithm steps may be implemented as the combination of electronic hardware, computer software or both.It is hard in order to clearly demonstrate
This interchangeability of part and software, enters with regard to the function of various exemplary components, square, module, circuit and step to it
General description is gone.This function is implemented as software and is also implemented as hardware depending on concrete application and application
Design constraint to whole system.Those skilled in the art can realize described in a variety of ways for every kind of concrete application
Function, but this realize that decision should not be interpreted as causing a departure from the scope of the utility model.
Claims (10)
- A kind of 1. audio frequency vibration test device, it is characterised in that comprising display terminal, data processing module, signal generating module, Bone-conduction speaker, acceleration transducer and signal acquisition module；The data processing module is connected with the display terminal, the signal generating module, the signal acquisition module, described Signal generating module is connected with the bone-conduction speaker, and the bone-conduction speaker is connected with the acceleration transducer, institute Acceleration transducer is stated to be connected with the signal acquisition module；The data processing module sends the first data-signal to the signal generating module, and the signal generating module is by described in First data-signal, which is converted into audio signal and sent to the bone-conduction speaker, the bone-conduction speaker, believes the audio Number be converted into audio frequency vibration signal, the audio frequency vibration signal is converted to electric signal by the acceleration transducer, and will described in Electric signal is sent to the signal acquisition module.
- 2. audio frequency vibration test device according to claim 1, it is characterised in that the signal acquisition module is by the electricity Signal is converted to the second data-signal and sent to the data processing module.
- 3. audio frequency vibration test device according to claim 2, it is characterised in that described in the data processing module receives Second data-signal, and be compared with first data-signal.
- 4. audio frequency vibration test device according to claim 3, it is characterised in that the data processing module is by the ratio Result is sent to the display terminal.
- 5. audio frequency vibration test device according to claim 2, it is characterised in that the bone-conduction speaker further divides For left speaker and right speaker, the transmission audio signal to the left side of the signal generating module selecting type is raised Sound device or the right speaker, or selection send the audio signal to the left speaker and the right side simultaneously and raised one's voice Device.
- 6. audio frequency vibration test device according to claim 5, it is characterised in that the left speaker generation left side sound Frequency vibration signal, the right speaker generate the right audio vibration signal, and the acceleration transducer is by the left side Audio frequency vibration signal is converted to left side electric signal, the right audio vibration signal is converted to right side electric signal, the signal The left side electric signal is converted to the first data-signal of left side, the right side electric signal is converted into right side first by acquisition module Data-signal.
- 7. audio frequency vibration test device according to claim 2, it is characterised in that the data processing module is in a survey Try in the cycle, generate a series of first data-signal, be sent to the signal generating module, make the signal that mould occur Block produces a series of audio signals of corresponding first data-signal.
- 8. audio frequency vibration test device according to claim 7, it is characterised in that the data processing module includes data Storage element, a series of the second data-signal of the corresponding audio signals of data storage cell storage.
- 9. audio frequency vibration test device according to claim 7, it is characterised in that first data-signal includes high pitch Frequency data-signal, sound intermediate frequency data-signal and bass data-signal.
- 10. audio frequency vibration test device according to claim 1, it is characterised in that the acceleration transducer is arranged at In one artificial head structure.
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| CN201721048358.7U CN207039903U (en) | 2017-08-21 | 2017-08-21 | A kind of audio frequency vibration test device |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109660930A (en) * | 2018-12-14 | 2019-04-19 | 声佗医疗科技（上海）有限公司 | A kind of vibration component test macro and method |
| CN110611873A (en) * | 2018-06-15 | 2019-12-24 | 深圳市韶音科技有限公司 | Testing method of bone conduction loudspeaker |
| CN111065035A (en) * | 2019-12-25 | 2020-04-24 | 厦门盈趣科技股份有限公司 | Bone conduction earphone testing method and testing system |
| CN111405450A (en) * | 2020-02-26 | 2020-07-10 | 歌尔股份有限公司 | Simulated human head device for bone conduction equipment test and test method |
| CN111432324A (en) * | 2020-05-26 | 2020-07-17 | 北京瑞森新谱科技股份有限公司 | Testing method and testing system for bone voiceprint earphone |
| CN111565354A (en) * | 2020-05-26 | 2020-08-21 | 北京瑞森新谱科技股份有限公司 | Testing method and testing system for bone conduction earphone |
| CN112040386A (en) * | 2020-09-28 | 2020-12-04 | 歌尔科技有限公司 | Test system |
| WO2022148249A1 (en) * | 2021-01-11 | 2022-07-14 | 深圳市韶音科技有限公司 | Impedance device and system for simulating effect of head on vibration of vibration unit |
-
2017
- 2017-08-21 CN CN201721048358.7U patent/CN207039903U/en active Active
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110611873A (en) * | 2018-06-15 | 2019-12-24 | 深圳市韶音科技有限公司 | Testing method of bone conduction loudspeaker |
| CN109660930B (en) * | 2018-12-14 | 2021-05-14 | 声佗医疗科技（上海）有限公司 | Vibration component testing system and method |
| CN109660930A (en) * | 2018-12-14 | 2019-04-19 | 声佗医疗科技（上海）有限公司 | A kind of vibration component test macro and method |
| CN111065035A (en) * | 2019-12-25 | 2020-04-24 | 厦门盈趣科技股份有限公司 | Bone conduction earphone testing method and testing system |
| CN111405450A (en) * | 2020-02-26 | 2020-07-10 | 歌尔股份有限公司 | Simulated human head device for bone conduction equipment test and test method |
| CN111405450B (en) * | 2020-02-26 | 2024-04-02 | 歌尔股份有限公司 | Simulated human head device for bone conduction equipment test and test method |
| CN111565354A (en) * | 2020-05-26 | 2020-08-21 | 北京瑞森新谱科技股份有限公司 | Testing method and testing system for bone conduction earphone |
| CN111432324B (en) * | 2020-05-26 | 2021-05-04 | 北京瑞森新谱科技股份有限公司 | Testing method and testing system for bone voiceprint earphone |
| CN111565354B (en) * | 2020-05-26 | 2021-05-04 | 北京瑞森新谱科技股份有限公司 | Testing method and testing system for bone conduction earphone |
| CN111432324A (en) * | 2020-05-26 | 2020-07-17 | 北京瑞森新谱科技股份有限公司 | Testing method and testing system for bone voiceprint earphone |
| CN112040386A (en) * | 2020-09-28 | 2020-12-04 | 歌尔科技有限公司 | Test system |
| CN112040386B (en) * | 2020-09-28 | 2022-04-22 | 歌尔科技有限公司 | Test system |
| WO2022148249A1 (en) * | 2021-01-11 | 2022-07-14 | 深圳市韶音科技有限公司 | Impedance device and system for simulating effect of head on vibration of vibration unit |
| WO2023116200A1 (en) * | 2021-01-11 | 2023-06-29 | 深圳市韶音科技有限公司 | Impedance device, and system for simulating influence of head on vibration of vibration unit |
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