CN107071123A - Mobile terminal sound chamber method for testing tightness and test device - Google Patents
Mobile terminal sound chamber method for testing tightness and test device Download PDFInfo
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- CN107071123A CN107071123A CN201710182346.1A CN201710182346A CN107071123A CN 107071123 A CN107071123 A CN 107071123A CN 201710182346 A CN201710182346 A CN 201710182346A CN 107071123 A CN107071123 A CN 107071123A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/24—Arrangements for testing
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Abstract
The present invention relates to audio-frequency test field, a kind of mobile terminal sound chamber method for testing tightness is disclosed, including：The golden machine of test is inserted into seal box；The receiver and loudspeaker sound emitting mouthful and microphone of the golden machine of closure test enter sound mouthful；The receiver and loudspeaker and microphone frequency response curve of the golden machine of test test；The golden machine of test is removed into seal box and mobile terminal to be measured is inserted into seal box；The receiver and loudspeaker sound emitting mouth and microphone for blocking mobile terminal to be measured enter sound mouthful；Test the receiver and loudspeaker and microphone frequency response curve of mobile terminal to be measured；The receiver and loudspeaker and microphone frequency response curve of mobile terminal to be measured and the golden machine of test are contrasted, and judges whether the sound chamber sealing of mobile terminal to be measured is qualified according to comparing result.The invention also discloses a kind of mobile terminal sound chamber tightness measuring device.Mobile terminal sound chamber method for testing tightness disclosed by the invention can directly intercept the underproof mobile terminal of sealing on a production line, improve the audio experience during user's use.
Description
Technical field
The present invention relates to audio-frequency test field, more particularly to a kind of mobile terminal sound chamber method for testing tightness and test
Device.
Background technology
With the development of electronics and information industry, mobile terminal (by taking mobile phone as an example) is increasingly popularized in the life of people,
Because the quality of audio frequency of mobile terminal performance directly affects the quality of speech quality, so occurring in that in the prior art to movement
The automated test device of the frequency response curve of the microphone of terminal, receiver and loudspeaker.
But, equally also can be in communication process if the poor sealing of the microphone of mobile terminal, receiver and loudspeaker
The problems such as echo, noise and small sound occur, has severely impacted user's viewing video, has appreciated music and call chat etc.
Experience effect.
The content of the invention
The purpose of embodiment of the present invention is to provide a kind of mobile terminal sound chamber method for testing tightness and test dress
Put, directly to intercept the underproof mobile terminal of sealing on a production line, improve user and use the sound during mobile terminal
Frequency experience effect.
In order to solve the above technical problems, embodiments of the present invention provide a kind of mobile terminal sound chamber performing leak test side
Method, is comprised the steps of：
The golden machine of test is inserted into seal box；
Receiver sound mouth, loudspeaker sound emitting mouthful and the microphone of the golden machine of closure test enter sound mouthful；
Receiver frequency response curve, loudspeaker frequency response curve and the microphone frequency response curve of the golden machine of the test test；
The golden machine of test is removed into seal box and mobile terminal to be measured is inserted into seal box；
Receiver sound mouth, loudspeaker sound emitting mouthful and the microphone for blocking mobile terminal to be measured enter sound mouthful；
Test the receiver frequency response curve, loudspeaker frequency response curve and microphone frequency response curve of the mobile terminal to be measured；
Receiver frequency response curve, loudspeaker frequency response curve and the microphone frequency response for contrasting mobile terminal to be measured and the golden machine of test are bent
Line, and judge whether the sound chamber sealing of mobile terminal to be measured is qualified according to comparing result.
Embodiments of the present invention additionally provide a kind of mobile terminal sound chamber tightness measuring device, comprising：Including sealing
Case, it is automatically positioned mechanical arm and frequency response test device, the seal box, for the accommodating golden machine of test and movement to be measured
Terminal；It is described to be automatically positioned mechanical arm, receiver sound mouth, loudspeaker for positioning and blocking the golden machine of test or mobile terminal to be measured
Sound mouth and microphone enter sound mouthful, the frequency response test device, for testing the golden machine of the test and movement to be measured eventually
Receiver frequency response curve, loudspeaker frequency response curve and the microphone frequency response curve at end.
The golden machine of test in terms of existing technologies, is inserted seal box by embodiment of the present invention, the golden machine of first closure test
Receiver sound mouth, loudspeaker sound emitting mouthful and microphone enter sound mouthful, then test receiver frequency response curve, the loudspeaker of the golden machine of the test
Frequency response curve and microphone frequency response curve, remove seal box by the golden machine of test and mobile terminal to be measured are inserted into seal box, then seal
Receiver sound mouth, loudspeaker sound emitting mouthful and the microphone for blocking up mobile terminal to be measured enter sound mouthful, then test the mobile terminal to be measured
Receiver frequency response curve, loudspeaker frequency response curve and microphone frequency response curve, finally contrast mobile terminal to be measured and the golden machine of test
Receiver frequency response curve, loudspeaker frequency response curve and microphone frequency response curve, and according to the sound of comparing result judgement mobile terminal to be measured
Whether chamber sealing is qualified, so as to directly intercept the underproof mobile terminal of sealing on a production line, improves user and uses
Audio experience during mobile terminal.
In addition, testing the receiver frequency response curve, loudspeaker frequency response curve and microphone frequency response curve of the golden machine of the test
Before step, in addition to step：Receiver sound mouth, loudspeaker sound emitting mouthful and the microphone of the golden machine of the positioning test enter sound mouthful；
The step of receiver frequency response curve of the test mobile terminal to be measured, loudspeaker frequency response curve and microphone frequency response curve it
Before, in addition to step：Receiver sound mouth, loudspeaker sound emitting mouthful and the microphone for positioning the mobile terminal to be measured enter sound mouthful.
In addition, testing the receiver frequency response curve, loudspeaker frequency response curve and microphone frequency response curve of the golden machine of the test
After step, in addition to step：Receiver sound mouth, loudspeaker sound emitting mouthful and the microphone for releasing the golden machine of test enter the closure of sound mouthful.
In addition, bent in the receiver frequency response curve, loudspeaker frequency response curve and microphone frequency response for testing the mobile terminal to be measured
After the step of line, in addition to step：Receiver sound mouth, loudspeaker sound emitting mouthful and the microphone for releasing mobile terminal to be measured enter sound mouthful
Closure and by mobile terminal to be measured remove seal box.
In addition, the step of the receiver frequency response curve of the golden machine of the test test, loudspeaker frequency response curve and microphone frequency response curve
Suddenly, specifically include；The test access of the golden machine of test is opened, by the golden machine of test signal input test, the output of the golden machine of test is received
Signal simultaneously carries out Algorithm Analysis to obtain receiver frequency response curve, loudspeaker frequency response curve and the microphone frequency response curve of the golden machine of test；
The step of testing the receiver frequency response curve, loudspeaker frequency response curve and microphone frequency response curve of the mobile terminal to be measured, specific bag
Include；The test access of mobile terminal to be measured is opened, test signal is inputted into mobile terminal to be measured, the defeated of mobile terminal to be measured is received
Go out signal and carry out Algorithm Analysis to obtain the receiver frequency response curve, loudspeaker frequency response curve and microphone frequency response of mobile terminal to be measured
Curve.
In addition, receiver, loudspeaker and the microphone frequency response curve of the golden machine of test or mobile terminal to be measured are transmission frequency response
Curve receives frequency response curve.
In addition, the frequency response test device includes：Sound card, PC analysis modules, test microphone or artitificial ear and
Test horn or artificial mouth, the sound card for input test signal and receive output signal；The PC analysis modules, are used for
Analyze the output signal that sound card is received；The test microphone or artitificial ear and the test horn or artificial mouth are installed on described
In seal box.
In addition, the mechanical arm end that is automatically positioned is provided with filler, it is described to be automatically positioned mechanical arm filling
Receiver sound mouth, loudspeaker sound emitting mouthful and the microphone of the thing golden machine of closure test and mobile terminal to be measured enter sound mouthful.
In addition, the filler is silicone grease.
Brief description of the drawings
Fig. 1 is a kind of flow chart of mobile terminal sound chamber method for testing tightness of first embodiment of the invention；
Fig. 2 is the flow chart of another mobile terminal sound chamber method for testing tightness of first embodiment of the invention；
Fig. 3 is the flow chart of another mobile terminal sound chamber method for testing tightness of first embodiment of the invention；
Fig. 4 is the flow chart of another mobile terminal sound chamber method for testing tightness of first embodiment of the invention；
Fig. 5 is also a kind of flow chart of mobile terminal sound chamber method for testing tightness of first embodiment of the invention；
Fig. 6 is the construction module schematic diagram of the mobile terminal sound chamber tightness measuring device of second embodiment of the invention；
Fig. 7 is that the operation when mobile terminal sound chamber tightness measuring device of second embodiment of the invention is tested is shown
It is intended to.
Embodiment
To make the object, technical solutions and advantages of the present invention clearer, below in conjunction with each reality of the accompanying drawing to the present invention
The mode of applying is explained in detail.However, it will be understood by those skilled in the art that in each embodiment of the invention,
In order that reader more fully understands the application and proposes many ins and outs.But, even if without these ins and outs and base
Many variations and modification in following embodiment, can also realize the application technical scheme claimed.
The first embodiment of the present invention is related to a kind of mobile terminal sound chamber method for testing tightness, idiographic flow such as Fig. 1
It is shown, comprise the following steps：
Step S10, seal box is inserted by the golden machine of test；
Step S11, receiver sound mouth, loudspeaker sound emitting mouthful and the microphone of the golden machine of closure test enter sound mouthful；
Step S12, tests receiver frequency response curve, loudspeaker frequency response curve and the microphone frequency response curve of the golden machine of the test；
Step S13, removes seal box by the golden machine of test and mobile terminal to be measured is inserted into seal box；
Step S14, receiver sound mouth, loudspeaker sound emitting mouthful and the microphone for blocking mobile terminal to be measured enters sound mouthful；
Step S15, the receiver frequency response curve, loudspeaker frequency response curve and microphone frequency response for testing the mobile terminal to be measured is bent
Line；
Step S16, contrasts receiver frequency response curve, loudspeaker frequency response curve and the microphone of mobile terminal to be measured and the golden machine of test
Frequency response curve, and judge whether the sound chamber sealing of mobile terminal to be measured is qualified according to comparing result.
The mobile terminal sound chamber method for testing tightness that present embodiment is provided, inserts seal box by the golden machine of test, first seals
Receiver sound mouth, loudspeaker sound emitting mouthful and the microphone of the stifled golden machine of test enter sound mouthful, then test the receiver frequency of the golden machine of the test
Curve, loudspeaker frequency response curve and microphone frequency response curve are rung, the golden machine of test is removed into seal box and mobile terminal to be measured is inserted
Seal box, then block the receiver sound mouth of mobile terminal to be measured, loudspeaker sound emitting mouthful and microphone and enter sound mouthful, then treated described in test
Survey mobile terminal receiver frequency response curve, loudspeaker frequency response curve and microphone frequency response curve, finally contrast mobile terminal to be measured and
Receiver frequency response curve, loudspeaker frequency response curve and the microphone frequency response curve of the golden machine of test, and judge to be measured move according to comparing result
Whether the sound chamber sealing of dynamic terminal is qualified, so as to directly intercept the underproof mobile terminal of sealing on a production line, carries
High user uses the audio experience during mobile terminal.
On the step S10, the golden machine of the test is the qualified mobile terminal of sealing, can be mobile phone, flat board electricity
Fixture and automatic bearing are carried in brain etc., seal box, the golden machine of test is placed in after seal box, test Jin Jigu is made by fixture
It is fixed, and the golden machine of test is sent to by seal box ad-hoc location by automatic bearing.The ad-hoc location refers to be defined on sealing
FX in case, so that different mobile terminal, which is sent in the FX, can ensure the interface position of each mobile terminal
Keep constant, be convenient for the precise positioning of mobile terminal interface, utilize the realization of automatic test.
On the step S11, receiver sound mouth, loudspeaker sound emitting mouthful and the microphone of the golden machine of closure test, which enter sound mouthful, to be easy to
Subsequent step is testing receiver frequency response curve, loudspeaker frequency response curve and the microphone frequency response curve of the golden machine of the test so as to obtain
Standard frequency response curve is used for the sealing for judging mobile terminal to be measured.
Before step S11, it can also include：Step S20, receiver sound mouth, the loudspeaker for positioning the golden machine of the test go out
Sound mouthful and microphone enter sound mouthful, and idiographic flow is as shown in Figure 2.
On the step S20, specifically with initial reference to foregoing ad-hoc location setting program, then utilizing the setting journey
Sequence is pin-pointed to receiver, loudspeaker sound emitting hole, the coordinate of microphone sound inlet, and the receiver for then blocking the golden machine of test at coordinate goes out
Sound mouthful, loudspeaker sound emitting mouth and microphone enter sound mouthful.
On the step S12, specifically include；The test access of the golden machine of test is opened, by test signal input test gold
Machine, receives the output signal of the golden machine of test and carries out Algorithm Analysis to obtain receiver frequency response curve, the loudspeaker frequency response of the golden machine of test
Curve and microphone frequency response curve.
Specifically, the microphone test access of the golden machine of test is first opened, opening test access is sent by PC ending tools
Instruction control golden machine to be measured is realized, then the microphone of the golden machine of test is tested, specific as follows：The test signal warp
Into audio signal after changing, microphone receives the audio signal, the audio signal after tested golden machine be converted to after electric signal by
The earphone interface output of the golden machine of test, receives the output signal of the golden machine earphone interface output of test and carries out algorithm to output signal
Analysis obtains testing the microphone frequency response curve of golden machine.Then receiver, the loudspeaker test access of the golden machine of test are opened, to test gold
Receiver, the loudspeaker of machine are tested, specific as follows：The test signal is now electric signal, and golden machine is received after tested, and by surveying
Ensaying machine is converted to audio signal and played out by receiver, loudspeaker, and the audio signal that conversion testing gold machine sowing is put turns into electric signal
Export afterwards, receive the electric signal of output and the frequency that Algorithm Analysis obtains testing the receiver of golden machine, loudspeaker is carried out to the electric signal
Ring curve；The frequency response curve of the microphone, receiver and loudspeaker of testing golden machine of acquisition is used to subsequently walk as standard frequency response curve
The rapid sealing to mobile terminal to be measured judges.Because the receiver frequency response that the golden machine of test is obtained above by Algorithm Analysis is bent
Line, loudspeaker frequency response curve and microphone frequency response curve are prior art, are not described in detail herein.
It should be noted that, the receiver of the golden machine of test, the frequency response curve of loudspeaker of the acquisition are reception frequency response curve, described
The frequency response curve of the microphone of the golden machine of test of acquisition is transmission frequency response curve.
After the step S12, it can also include：Step S21, receiver sound mouth, the loudspeaker for releasing the golden machine of test go out
Sound mouthful and microphone enter the closure of sound mouthful, and idiographic flow is as shown in Figure 3.
On the step S21, receiver sound mouth, loudspeaker sound emitting mouthful and the microphone for releasing the golden machine of test enter the envelope of sound mouthful
It is stifled to test golden machine removal seal box in order to subsequent step and mobile terminal to be measured is inserted to the execution of seal box.
On the step S13, will the golden machine of test remove seal box and by mobile terminal to be measured insert seal box in order to
Subsequent step tests receiver frequency response curve, loudspeaker frequency response curve and the microphone frequency response curve of mobile terminal to be measured, due to this step
The specific operation process of seal box is inserted with the golden machine of test is inserted into seal box in step S10 in rapid and by mobile terminal to be measured
Operating process is similar, to avoid the repetition in content, repeats no more here.
On the step S14, receiver sound mouth, loudspeaker sound emitting mouthful and the microphone for blocking mobile terminal to be measured enter sound mouthful
In order to which subsequent step tests receiver frequency response curve, loudspeaker frequency response curve and the microphone frequency response curve of the mobile terminal to be measured
So as to detect the sealing of mobile terminal to be measured.
Before the step S14, it can also include：Step S22, the receiver for positioning the mobile terminal to be measured goes out sound
Mouth, loudspeaker sound emitting mouth and microphone enter sound mouthful, and idiographic flow is as shown in Figure 4.
On the step S14, receiver sound mouth, loudspeaker sound emitting mouthful and the microphone for positioning the mobile terminal to be measured enter
The operating process of sound mouthful enters sound with positioning receiver sound mouth, loudspeaker sound emitting mouthful and the microphone of the golden machine of the test in step S20
The operating process of mouth is similar, in order to avoid the repetition in content, repeats no more here.
On the step S15, specifically include；The test access of mobile terminal to be measured is opened, test signal input is treated
Mobile terminal is surveyed, the output signal of mobile terminal to be measured is received and carries out Algorithm Analysis to obtain the receiver frequency of mobile terminal to be measured
Ring curve, loudspeaker frequency response curve and microphone frequency response curve.Due to testing receiver frequency response curve, the loudspeaker of the mobile terminal to be measured
The step of frequency response curve and microphone frequency response curve and receiver frequency response curve, the loudspeaker frequency response curve for testing the golden machine of the test
The step of with microphone frequency response curve, is similar, in order to avoid the repetition in content, repeats no more here.
After the step S15, it can also include：Step S23, releases receiver sound mouth, the loudspeaker of mobile terminal to be measured
Sound mouth and microphone enter the closure of sound mouthful and mobile terminal to be measured are removed into seal box, and idiographic flow is as shown in Figure 5.
On the step S23, because specific operation process and step S13 and step S21 are similar, in order to avoid content
On repetition, repeat no more here.
On the step S16, the mobile terminal to be measured obtained after Algorithm Analysis and test gold are contrasted by test software
Receiver frequency response curve, loudspeaker frequency response curve and the microphone frequency response curve of machine, if the receiver frequency response curve number of mobile terminal to be measured
Value, loudspeaker frequency response curve numerical value and microphone frequency response curve numerical value are respectively less than receiver frequency response curve numerical value, the loudspeaker of the golden machine of test
Frequency response curve numerical value and microphone frequency response curve numerical value, then the sound chamber sealing of mobile terminal to be measured is qualified, if to be measured mobile whole
One of receiver frequency response curve numerical value, loudspeaker frequency response curve numerical value and the microphone frequency response curve numerical value at end are more than test gold
Receiver frequency response curve numerical value, loudspeaker frequency response curve numerical value and the microphone frequency response curve numerical value of machine, the then sound of mobile terminal to be measured
Chamber sealing is unqualified.
The step of various methods are divided above, be intended merely to description it is clear, can be merged into when realizing a step or
Some steps are split, multiple steps are decomposed into, as long as including identical logical relation, all protection domain in this patent
It is interior；To adding inessential modification in flow or introducing inessential design, but the core design of its journey is not changed all
In the protection domain of the patent.
Second embodiment of the present invention is related to a kind of mobile terminal sound chamber tightness measuring device, such as Fig. 6 and Fig. 7 institutes
Show, specifically, including seal box 1, be automatically positioned the test device 30 corresponding with frequency of mechanical arm 2, the seal box 1 is used for
The accommodating golden machine of test and mobile terminal to be measured；It is described to be automatically positioned mechanical arm 2, for positioning and blocking the golden machine or to be measured of test
Receiver sound mouth, loudspeaker sound emitting mouthful and the microphone of mobile terminal enter sound mouthful, the frequency response test device 30, for testing
Receiver frequency response curve, loudspeaker frequency response curve and the microphone frequency response curve of the golden machine of test and mobile terminal to be measured.
In the present embodiment, the end of mechanical arm 2 that is automatically positioned is provided with filler, described to be automatically positioned mechanical arm
Receiver sound mouth, loudspeaker sound emitting mouthful and the microphone for blocking the golden machine of test and mobile terminal to be measured with filler enter sound mouthful, it is necessary to
Illustrate, the filler can be silicone grease, or other flexible materials, to avoid closure receiver sound mouth, loudspeaker
Sound mouth and microphone damage interface when entering sound mouthful.
In the present embodiment, the frequency response test device 30 includes：Sound card 3, PC analysis modules 4, test microphone or
Artitificial ear 51 and test horn or artificial mouth 52, the sound card 3 for input test signal and receive output signal；It is described
PC analysis modules 4, the output signal for analyzing the reception of sound card 3；The test microphone or artitificial ear 51 and the test loudspeaker
Or artificial mouth 52 be installed in the seal box 1, the test horn or artificial mouth 52 are used for the golden machine of test and to be measured
The test signal of input is converted into audio signal when the microphone of mobile terminal is tested and audio signal is sent, the survey
Examination microphone or artitificial ear 51 are used for will test gold when receiver, loudspeaker to the golden machine of test and mobile terminal to be measured are tested
The audio signal that receiver, the loudspeaker of machine and mobile terminal to be measured are played is converted to electric signal.
It is seen that, present embodiment is the device embodiment corresponding with first embodiment, and present embodiment can be with
First embodiment is worked in coordination implementation.The relevant technical details mentioned in first embodiment still have in the present embodiment
Effect, in order to reduce repetition, is repeated no more here.Correspondingly, the relevant technical details mentioned in present embodiment are also applicable in
In first embodiment.
It will be understood by those skilled in the art that the respective embodiments described above are to realize the specific embodiment of the present invention,
And in actual applications, can to it, various changes can be made in the form and details, without departing from the spirit and scope of the present invention.
Claims (10)
1. a kind of mobile terminal sound chamber method for testing tightness, it is characterised in that comprise the following steps：
The golden machine of test is inserted into seal box；
Receiver sound mouth, loudspeaker sound emitting mouthful and the microphone of the golden machine of closure test enter sound mouthful；
Receiver frequency response curve, loudspeaker frequency response curve and the microphone frequency response curve of the golden machine of the test test；
The golden machine of test is removed into seal box and mobile terminal to be measured is inserted into seal box；
Receiver sound mouth, loudspeaker sound emitting mouthful and the microphone for blocking mobile terminal to be measured enter sound mouthful；
Test the receiver frequency response curve, loudspeaker frequency response curve and microphone frequency response curve of the mobile terminal to be measured；
Receiver frequency response curve, loudspeaker frequency response curve and the microphone frequency response curve of mobile terminal to be measured and the golden machine of test are contrasted, and
Judge whether the sound chamber sealing of mobile terminal to be measured is qualified according to comparing result.
2. mobile terminal sound chamber method for testing tightness according to claim 1, wherein,
Before the step of receiver sound mouth of the golden machine of closure test, loudspeaker sound emitting mouthful and microphone enter sound mouthful, in addition to step：
Receiver sound mouth, loudspeaker sound emitting mouthful and the microphone of the golden machine of the positioning test enter sound mouthful；
Before the step of receiver sound mouth, loudspeaker sound emitting mouthful and the microphone for blocking mobile terminal to be measured enter sound mouthful, in addition to
Step：Receiver sound mouth, loudspeaker sound emitting mouthful and the microphone for positioning the mobile terminal to be measured enter sound mouthful.
3. mobile terminal sound chamber method for testing tightness according to claim 1, wherein, testing the golden machine of the test
After the step of receiver frequency response curve, loudspeaker frequency response curve and microphone frequency response curve, in addition to step：Release the golden machine of test
Receiver sound mouth, loudspeaker sound emitting mouth and microphone enter the closure of sound mouthful.
4. mobile terminal sound chamber method for testing tightness according to claim 1, wherein, it is described to be measured mobile whole testing
After the step of receiver frequency response curve at end, loudspeaker frequency response curve and microphone frequency response curve, in addition to step：Release to be measured move
Receiver sound mouth, loudspeaker sound emitting mouthful and the microphone of dynamic terminal enter the closure of sound mouthful and mobile terminal to be measured are removed into seal box.
5. mobile terminal sound chamber method for testing tightness according to claim 1, wherein,
The step of testing the receiver frequency response curve, loudspeaker frequency response curve and microphone frequency response curve of the golden machine of the test, specific bag
Include；The test access of the golden machine of test is opened, by the golden machine of test signal input test, output signal and the progress of the golden machine of test is received
Receiver frequency response curve, loudspeaker frequency response curve and the microphone frequency response curve of golden machine are tested in Algorithm Analysis to obtain；
The step of testing the receiver frequency response curve, loudspeaker frequency response curve and microphone frequency response curve of the mobile terminal to be measured, tool
Body includes；The test access of mobile terminal to be measured is opened, test signal is inputted into mobile terminal to be measured, mobile terminal to be measured is received
Output signal and Algorithm Analysis is carried out to obtain the receiver frequency response curve, loudspeaker frequency response curve and microphone of mobile terminal to be measured
Frequency response curve.
6. mobile terminal sound chamber method for testing tightness according to claim 1, wherein, the golden machine of test or shifting to be measured
Receiver, loudspeaker and the microphone frequency response curve of dynamic terminal is transmission frequency response curves or receive frequency response curve.
7. a kind of mobile terminal sound chamber tightness measuring device, it is characterised in that including seal box, be automatically positioned mechanical arm with
And frequency response test device, the seal box, for the accommodating golden machine of test and mobile terminal to be measured；It is described to be automatically positioned machinery
Arm, receiver sound mouth, loudspeaker sound emitting mouthful and microphone for positioning and blocking the golden machine of test or mobile terminal to be measured enter sound
Mouthful, the frequency response test device, receiver frequency response curve, loudspeaker for testing the golden machine of test and mobile terminal to be measured
Frequency response curve and microphone frequency response curve.
8. mobile terminal sound chamber tightness measuring device according to claim 7, wherein, the frequency response test device
Including：Sound card, PC analysis modules, test microphone or artitificial ear and test horn or artificial mouth,
The sound card, for input test signal and receives output signal；
The PC analysis modules, the output signal for analyzing sound card reception；
The test microphone or artitificial ear and the test horn or artificial mouth are installed in the seal box.
9. mobile terminal sound chamber tightness measuring device according to claim 7, wherein, it is described to be automatically positioned mechanical arm
End is provided with filler, the receiver for being automatically positioned the mechanical arm filler golden machine of closure test and mobile terminal to be measured
Sound mouth, loudspeaker sound emitting mouth and microphone enter sound mouthful.
10. mobile terminal sound chamber tightness measuring device according to claim 9, wherein, the filler is silicone grease.
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