CN109379690A - Earphone quality detecting method, device and computer readable storage medium - Google Patents
Earphone quality detecting method, device and computer readable storage medium Download PDFInfo
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- CN109379690A CN109379690A CN201811342675.9A CN201811342675A CN109379690A CN 109379690 A CN109379690 A CN 109379690A CN 201811342675 A CN201811342675 A CN 201811342675A CN 109379690 A CN109379690 A CN 109379690A
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- 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
- H04R29/001—Monitoring arrangements; Testing arrangements for loudspeakers
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Abstract
The invention discloses a kind of earphone quality detecting methods, comprising: tests respectively the left and right acoustic channels of earphone, obtains the corresponding FR frequency response test data of left and right acoustic channels of the earphone；Judge whether the corresponding Frequency Response Test data of the left and right acoustic channels of the earphone match with preset FR normal data；When L channel and/or the corresponding Frequency Response Test data of right channel and the FR normal data mismatch, according to L channel and/or the corresponding Frequency Response Test data of right channel and the FR normal data, the debugging of EQ balanced device is carried out to L channel and/or right channel, with after the completion of debugging, the left and right acoustic channels FR of the earphone is matched.The invention also discloses a kind of earphone quality inspection device and computer readable storage mediums.The present invention improves headphone quality.
Description
Technical field
The present invention relates to field of computer technology more particularly to a kind of earphone quality detecting method, device and computer-readable deposit
Storage media.
Background technique
Different earphone, because of packaging technology (screen cloth fitting, the glue amount of glue, bonding dynamics etc.), structural member supplied materials, net
The difference of cloth supplied materials, loudspeaker etc., so that the FR (Frequency Response, frequency response) of earphone complete machine has centainly
Fluctuation, generally, by within the scope of its corresponding band FR numerical value be arranged upper and lower bound, to limit FR.Only
It is still can there are problems that the FR of earphone left and right acoustic channels has diversity factor will if the FR diversity factor of left and right acoustic channels is larger
User's sense of hearing is influenced, therefore, the quality of earphone need to be improved.
Summary of the invention
The main object of the present invention is to provide a kind of earphone quality detecting method, device and computer readable storage medium, it is intended to
The FR for solving earphone left and right acoustic channels in the prior art has differences, the bad problem of quality.
To achieve the above object, the present invention propose earphone quality detecting method, the earphone quality detecting method the following steps are included:
The left and right acoustic channels of earphone are tested respectively, the corresponding FR frequency response of left and right acoustic channels for obtaining the earphone is surveyed
Try data；
Judge whether the corresponding Frequency Response Test data of the left and right acoustic channels of the earphone match with preset FR normal data；
When L channel and/or the corresponding Frequency Response Test data of right channel and the FR normal data mismatch, according to left sound
It is equal to carry out EQ to L channel and/or right channel for road and/or the corresponding Frequency Response Test data of right channel and the FR normal data
Weighing apparatus debugging, with after the completion of debugging, the left and right acoustic channels FR of the earphone is matched.
Optionally, the corresponding Frequency Response Test data of left and right acoustic channels of the judgement earphone are with preset FR normal data
The step of no matching includes:
If L channel and/or the corresponding Frequency Response Test data of right channel and the difference of the FR normal data are in preset range
It is interior, then determine that L channel and/or the corresponding Frequency Response Test data of right channel are matched with the FR normal data；
If L channel and/or the corresponding Frequency Response Test data of right channel and the difference of the FR normal data are in preset range
Outside, then determine that L channel and/or the corresponding Frequency Response Test data of right channel and the FR normal data mismatch.
Optionally, the Frequency Response Test data are frequency-gain test curve, and the FR normal data is frequency-gain mark
Whether directrix curve, the corresponding Frequency Response Test data of left and right acoustic channels for judging the earphone and preset FR normal data are matched
Step includes:
Respectively frequency-gain test curve corresponding to the left and right acoustic channels of the earphone and frequency-gain standard curve into
Row normalized；
By the corresponding frequency of the left and right acoustic channels after normalized-gain test curve and frequency-gain standard curve into
Row difference calculates, and obtains the corresponding frequency-gain difference curve of left and right acoustic channels；
When yield value is in preset gain range in L channel and/or the corresponding frequency of right channel-gain difference curve
When interior, L channel and/or the corresponding frequency of right channel-gain test curve and the frequency-gain standard Curve Matching are determined；
When there are yield values to be in preset gain model in L channel and/or the corresponding frequency of right channel-gain difference curve
When enclosing outer, L channel and/or the corresponding frequency of right channel-gain test curve and the frequency-gain standard curve are determined not
Matching.
It is optionally, described according to L channel and/or the corresponding Frequency Response Test data of right channel and the FR normal data,
Include: to the step of L channel and/or right channel progress EQ debugging
It is raw according to L channel and/or right channel corresponding frequency-gain difference curve and the preset gain range
At L channel and/or the corresponding EQ curve of right channel；
According to the EQ curve, EQ debugging is carried out to L channel and/or right channel.
Optionally, described according to L channel and/or right channel corresponding frequency-gain difference curve and described default
Gain ranging, the step of generating L channel and/or right channel corresponding EQ curve include:
It is raw according to L channel and/or right channel corresponding frequency-gain difference curve and the preset gain range
At L channel and/or right channel corresponding frequency-gain resultant curve；
L channel and/or right channel corresponding frequency-gain resultant curve are negated, L channel and/or right channel are generated
Corresponding EQ curve.
Optionally, described according to L channel and/or right channel corresponding frequency-gain difference curve and described default
Gain ranging, generates L channel and/or the step of corresponding frequency of right channel-gain resultant curve includes:
Identify that yield value exceeds the preset gain in L channel and/or the corresponding frequency of right channel-gain difference curve
The curved section of range；
Based on the curved section, L channel and/or the corresponding frequency of right channel-gain resultant curve are generated.
Optionally, described to be based on the curved section, it generates L channel and/or the corresponding frequency of right channel-gain synthesis is bent
The step of line includes:
The maximum value or minimum value corresponding frequency values f0 and yield value m of the curved section is obtained, and is obtained described very big
Value or minimum two sides zero point are worth corresponding frequency values f1 and f2 and maximum value or minimum value two sides yield value is k*m
Corresponding frequency values f3 and f4；Wherein, k is parameter preset；
According to frequency values f0, f1, f2, f3, f4 yield value corresponding with its, generates L channel and/or right channel is corresponding
Frequency-gain resultant curve.
Optionally, described when L channel and/or the corresponding Frequency Response Test data of right channel and the FR normal data mismatch
When, according to L channel and/or the corresponding Frequency Response Test data of right channel and the FR normal data, to L channel and/or right sound
Road carries out the debugging of EQ balanced device, and with after the completion of debugging, the step of left and right acoustic channels FR matching of the earphone includes:
When L channel and/or the corresponding Frequency Response Test data of right channel and the FR normal data mismatch, according to left sound
Road and/or the corresponding Frequency Response Test data of right channel and the FR normal data carry out EQ tune to L channel and/or right channel
Examination；
It after this debugging, returns to step and L channel and/or right channel is tested, until L channel
And/or the corresponding Frequency Response Test data of right channel are matched with the FR normal data.
In addition, to achieve the above object, the present invention also proposes a kind of earphone quality inspection device, the earphone quality inspection device packet
It includes: memory, processor and being stored in the earphone quality inspection procedure that can be run on the memory and on the processor, it is described
Earphone quality inspection procedure realizes the step of earphone quality detecting method as described above when being executed by the processor.
In addition, to achieve the above object, it is described computer-readable the present invention also provides a kind of computer readable storage medium
Earphone quality inspection procedure is stored on storage medium, the earphone quality inspection procedure realizes ear as described above when being executed by processor
The step of machine quality detecting method.
It in technical solution of the present invention, is tested by the left and right acoustic channels to earphone, the left and right acoustic channels for obtaining earphone are corresponding
Frequency Response Test data, when L channel and/or the corresponding Frequency Response Test data of right channel and preset FR normal data mismatch, root
According to L channel and/or the corresponding Frequency Response Test data of right channel and preset FR normal data, to L channel and/or right channel
EQ debugging is carried out, so that the left and right acoustic channels FR of earphone is matched, to improve headphone quality after the completion of debugging.
Detailed description of the invention
Fig. 1 is the earphone quality inspection device structural schematic diagram for the hardware running environment that the embodiment of the present invention is related to；
Fig. 2 is the flow diagram of earphone quality detecting method first embodiment of the invention；
Fig. 3 is the optional frequency-gain test curve and frequency-gain standard that the embodiment of the present invention is related to
Curve synoptic diagram；
Fig. 4 is the flow diagram of earphone quality detecting method second embodiment of the invention；
Fig. 5 is frequency-gain test curve after the optional normalized that the embodiment of the present invention is related to
With frequency-gain standard curve synoptic diagram；
Fig. 6 is the optional frequency-gain difference curve synoptic diagram that the embodiment of the present invention is related to；
Fig. 7 is the optional frequency-gain resultant curve section schematic diagram that the embodiment of the present invention is related to；
Fig. 8 is the optional EQ curve synoptic diagram that the embodiment of the present invention is related to.
The embodiments will be further described with reference to the accompanying drawings for the realization, the function and the advantages of the object of the present invention.
Specific embodiment
It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, it is not intended to limit the present invention.
The solution of the embodiment of the present invention is mainly: being tested by the left and right acoustic channels to earphone, obtains earphone
The corresponding Frequency Response Test data of left and right acoustic channels, when L channel and/or the corresponding Frequency Response Test data of right channel and preset FR criterion numeral
When according to mismatching, according to L channel and/or the corresponding Frequency Response Test data of right channel and preset FR normal data, to left sound
Road and/or right channel carry out EQ debugging, so that the left and right acoustic channels FR of earphone is matched, to improve earphone matter after the completion of debugging
Amount.Technical solution through the embodiment of the present invention, the FR for solving earphone left and right acoustic channels have differences, the bad problem of quality.
The embodiment of the present invention proposes a kind of earphone quality inspection device.
Referring to Fig.1, Fig. 1 is the earphone quality inspection device structural representation for the hardware running environment that the embodiment of the present invention is related to
Figure.
In subsequent description, it is only using the suffix for indicating such as " module ", " component " or " unit " of element
Be conducive to explanation of the invention, itself there is no a specific meaning.Therefore, " module ", " component " or " unit " can mix
Ground uses.
As shown in Figure 1, the earphone quality inspection device may include: processor 1001, communication bus 1002, user interface
1003, network interface 1004, memory 1005.Wherein, communication bus 1002 is for realizing the connection communication between these components.
User interface 1003 may include display screen (Display), input unit such as keyboard (Keyboard), optional user interface
1003 can also include standard wireline interface and wireless interface.Network interface 1004 optionally may include that the wired of standard connects
Mouth, wireless interface (such as WI-FI interface).Memory 1005 can be high speed RAM memory, be also possible to stable memory
(non-volatile memory), such as magnetic disk storage.Memory 1005 optionally can also be independently of aforementioned processor
1001 storage device.
It will be understood by those skilled in the art that earphone quality inspection device structure shown in Fig. 1 is not constituted to earphone quality inspection
The restriction of device may include perhaps combining certain components or different component cloth than illustrating more or fewer components
It sets.
As shown in Figure 1, as may include that operating system, network are logical in a kind of memory 1005 of computer storage medium
Believe module and earphone quality inspection procedure.
In the present invention, earphone quality inspection device calls the earphone quality inspection journey stored in memory 1005 by processor 1001
Sequence, and execute following operation:
The left and right acoustic channels of earphone are tested respectively, the corresponding FR frequency response of left and right acoustic channels for obtaining the earphone is surveyed
Try data；
Judge whether the corresponding Frequency Response Test data of the left and right acoustic channels of the earphone match with preset FR normal data；
When L channel and/or the corresponding Frequency Response Test data of right channel and the FR normal data mismatch, according to left sound
It is equal to carry out EQ to L channel and/or right channel for road and/or the corresponding Frequency Response Test data of right channel and the FR normal data
Weighing apparatus debugging, with after the completion of debugging, the left and right acoustic channels FR of the earphone is matched.
Further, processor 1001 can call the earphone quality inspection procedure stored in memory 1005, also execute following
Operation:
If L channel and/or the corresponding Frequency Response Test data of right channel and the difference of the FR normal data are in preset range
It is interior, then determine that L channel and/or the corresponding Frequency Response Test data of right channel are matched with the FR normal data；
If L channel and/or the corresponding Frequency Response Test data of right channel and the difference of the FR normal data are in preset range
Outside, then determine that L channel and/or the corresponding Frequency Response Test data of right channel and the FR normal data mismatch.
Further, the Frequency Response Test data are frequency-gain test curve, and the FR normal data is frequency-gain
Standard curve, processor 1001 can call the earphone quality inspection procedure stored in memory 1005, also execute following operation:
Respectively frequency-gain test curve corresponding to the left and right acoustic channels of the earphone and frequency-gain standard curve into
Row normalized；
By the corresponding frequency of the left and right acoustic channels after normalized-gain test curve and frequency-gain standard curve into
Row difference calculates, and obtains the corresponding frequency-gain difference curve of left and right acoustic channels；
When yield value is in preset gain range in L channel and/or the corresponding frequency of right channel-gain difference curve
When interior, L channel and/or the corresponding frequency of right channel-gain test curve and the frequency-gain standard Curve Matching are determined；
When there are yield values to be in preset gain model in L channel and/or the corresponding frequency of right channel-gain difference curve
When enclosing outer, L channel and/or the corresponding frequency of right channel-gain test curve and the frequency-gain standard curve are determined not
Matching.
Further, processor 1001 can call the earphone quality inspection procedure stored in memory 1005, also execute following
Operation:
It is raw according to L channel and/or right channel corresponding frequency-gain difference curve and the preset gain range
At L channel and/or the corresponding EQ curve of right channel；
According to the EQ curve, EQ debugging is carried out to L channel and/or right channel.
Further, processor 1001 can call the earphone quality inspection procedure stored in memory 1005, also execute following
Operation:
It is raw according to L channel and/or right channel corresponding frequency-gain difference curve and the preset gain range
At L channel and/or right channel corresponding frequency-gain resultant curve；
L channel and/or right channel corresponding frequency-gain resultant curve are negated, L channel and/or right channel are generated
Corresponding EQ curve.
Further, processor 1001 can call the earphone quality inspection procedure stored in memory 1005, also execute following
Operation:
Identify that yield value exceeds the preset gain in L channel and/or the corresponding frequency of right channel-gain difference curve
The curved section of range；
Based on the curved section, L channel and/or the corresponding frequency of right channel-gain resultant curve are generated.
Further, processor 1001 can call the earphone quality inspection procedure stored in memory 1005, also execute following
Operation:
The maximum value or minimum value corresponding frequency values f0 and yield value m of the curved section is obtained, and is obtained described very big
Value or minimum two sides zero point are worth corresponding frequency values f1 and f2 and maximum value or minimum value two sides yield value is k*m
Corresponding frequency values f3 and f4；Wherein, k is parameter preset；
According to frequency values f0, f1, f2, f3, f4 yield value corresponding with its, generates L channel and/or right channel is corresponding
Frequency-gain resultant curve.
Further, processor 1001 can call the earphone quality inspection procedure stored in memory 1005, also execute following
Operation:
When L channel and/or the corresponding Frequency Response Test data of right channel and the FR normal data mismatch, according to left sound
Road and/or the corresponding Frequency Response Test data of right channel and the FR normal data carry out EQ tune to L channel and/or right channel
Examination；
It after this debugging, returns to step and L channel and/or right channel is tested, until L channel
And/or the corresponding Frequency Response Test data of right channel are matched with the FR normal data.
The present embodiment through the above scheme, is tested by the left and right acoustic channels to earphone, obtains the left and right acoustic channels of earphone
Corresponding Frequency Response Test data, when L channel and/or the corresponding Frequency Response Test data of right channel and preset FR normal data mismatch
When, according to L channel and/or the corresponding Frequency Response Test data of right channel and preset FR normal data, to L channel and/or the right side
Sound channel carries out EQ debugging, so that the left and right acoustic channels FR of earphone is matched, to improve headphone quality after the completion of debugging.
Based on above-mentioned hardware configuration, earphone quality detecting method embodiment of the present invention is proposed.
It is the flow diagram of earphone quality detecting method first embodiment of the present invention referring to Fig. 2, Fig. 2.
In the first embodiment, the earphone quality detecting method the following steps are included:
Step S10 respectively tests the left and right acoustic channels of earphone, obtains the corresponding FR frequency of left and right acoustic channels of the earphone
Rate response test data；
Step S20 judges whether are the corresponding Frequency Response Test data of the left and right acoustic channels of the earphone and preset FR normal data
Matching；If it is not, thening follow the steps S30；If so, thening follow the steps S40；
Step S30, according to L channel and/or the corresponding Frequency Response Test data of right channel and the FR normal data, to a left side
Sound channel and/or right channel carry out the debugging of EQ balanced device, with after the completion of debugging, the left and right acoustic channels FR of the earphone is matched；
Step S40, end operation.
Earphone quality detecting method proposed by the present invention, the earphone quality inspection device suitable for above-described embodiment, by using this
Earphone quality detecting method carries out EQ (Equalizer, balanced device) debugging to the left and right acoustic channels of earphone, so that the left and right of earphone
Sound channel FR matching, improves headphone quality.
It is the specific steps that earphone quality inspection is realized in the present embodiment below:
Step S10 respectively tests the left and right acoustic channels of earphone, obtains the corresponding FR frequency of left and right acoustic channels of the earphone
Rate response test data；
In the present embodiment, in order to effectively improve headphone quality, realizes the left and right acoustic channels FR matching of earphone, preset corresponding
For carrying out the FR normal data of earphone quality inspection, such as the corresponding frequency of FR-gain standard curve.The FR normal data can be with
It is taken from the FR numerical value of the matched high quality earphone of a certain left and right acoustic channels FR, alternatively, the FR of more secondary regular earphones can be taken from
The mean value of numerical value, in the present embodiment, with no restrictions to the specific acquisition modes of FR normal data.
When to carry out quality inspection to earphone, the left and right acoustic channels of earphone are tested respectively, obtain the left and right acoustic channels of earphone
Corresponding Frequency Response Test data, namely obtain the corresponding one group of Frequency Response Test data of headset left channel and earphone right channel is corresponding
One group of Frequency Response Test data.
Optionally, the corresponding Frequency Response Test data of left and right acoustic channels are the corresponding frequency of FR-gain test curve.For example, FR pairs
The frequency answered-gain test curve frequency corresponding with FR-gain standard curve is as shown in Figure 3.
Step S20 judges whether are the corresponding Frequency Response Test data of the left and right acoustic channels of the earphone and preset FR normal data
Matching；If it is not, thening follow the steps S10；If so, thening follow the steps S40；
Step S30, according to L channel and/or the corresponding Frequency Response Test data of right channel and the FR normal data, to a left side
Sound channel and/or right channel carry out the debugging of EQ balanced device, with after the completion of debugging, the left and right acoustic channels FR of the earphone is matched；
Step S40, end operation.
After the corresponding Frequency Response Test data of left and right acoustic channels for getting earphone, by the corresponding Frequency Response Test data of left and right acoustic channels with
FR normal data is compared, and judges whether the corresponding Frequency Response Test data of left and right acoustic channels match with preset FR normal data.
Optionally, the step S20 includes:
Step a, if L channel and/or the corresponding Frequency Response Test data of right channel and the difference of the FR normal data are in pre-
If in range, then determining that L channel and/or the corresponding Frequency Response Test data of right channel are matched with the FR normal data；
Step b, if L channel and/or the corresponding Frequency Response Test data of right channel and the difference of the FR normal data are in pre-
If outside range, then determining that L channel and/or the corresponding Frequency Response Test data of right channel and the FR normal data mismatch.
Optionally, the corresponding preset range of corresponding data difference is preset, which can be according to the actual situation
Flexible setting is carried out, herein with no restrictions.After the corresponding Frequency Response Test data of left and right acoustic channels for getting earphone, by left and right acoustic channels
Corresponding Frequency Response Test data are compared with FR normal data, if L channel and/or the corresponding Frequency Response Test data of right channel and pre-
If the difference of FR normal data be in preset range, then determine L channel and/or the corresponding Frequency Response Test data of right channel with
Preset FR normal data matching.Conversely, if L channel and/or the corresponding Frequency Response Test data of right channel and preset FR criterion numeral
According to difference be in outside preset range, then determine L channel and/or the corresponding Frequency Response Test data of right channel and preset FR standard
Data mismatch.
When L channel and the corresponding Frequency Response Test data of right channel are matched with preset FR normal data, namely illustrate ear
Machine left and right acoustic channels FR matching, at this point, not carrying out debugging processing, end operation to earphone.
When L channel and/or the corresponding Frequency Response Test data of right channel and preset FR normal data mismatch, according to a left side
Sound channel and/or the corresponding Frequency Response Test data of right channel and preset FR normal data are referring to mark with preset FR normal data
Standard carries out EQ debugging processing to L channel and/or right channel.That is, as the corresponding Frequency Response Test data of L channel and preset FR
When normal data mismatches, according to the corresponding Frequency Response Test data of L channel and preset FR normal data, L channel is carried out
EQ debugging processing.
Alternatively, when the corresponding Frequency Response Test data of right channel and preset FR normal data mismatch, according to right channel pair
The Frequency Response Test data answered and preset FR normal data carry out EQ debugging processing to right channel.
Alternatively, when L channel and the corresponding Frequency Response Test data of right channel are mismatched with preset FR normal data, point
Not according to the corresponding Frequency Response Test data of L channel and preset FR normal data, EQ debugging processing is carried out to L channel, and
According to the corresponding Frequency Response Test data of right channel and preset FR normal data, EQ debugging processing is carried out to right channel.
After EQ is debugged, L channel and/or the corresponding Frequency Response Test data of right channel are matched with preset FR normal data,
Namely earphone left and right acoustic channels FR matching.
Optionally, the step S30 includes:
Step c, according to L channel and/or the corresponding Frequency Response Test data of right channel and the FR normal data, to left sound
Road and/or right channel carry out the debugging of EQ balanced device；
Step d is returned to step and is tested L channel and/or right channel after this debugging, until left
Sound channel and/or the corresponding Frequency Response Test data of right channel are matched with the FR normal data.
Optionally, it in order to ensure the effect of EQ debugging, when L channel and/or the corresponding Frequency Response Test data of right channel and presets
FR normal data mismatch, EQ debugging is carried out to L channel and/or right channel, after this time debugging, again to carrying out
The L channel and/or right channel of EQ debugging are tested, and L channel and/or the corresponding Frequency Response Test of right channel in this time test are obtained
Data.And then it is secondary by the L channel of this acquisition and/or the corresponding Frequency Response Test data of right channel and preset FR normal data
It is compared, judges whether it matches with preset FR normal data.If matching, EQ debugging is completed；Conversely, if mismatching,
The operation tested the L channel and/or right channel that have carried out EQ debugging is then again returned to, recycles aforesaid operations process, directly
It is matched to final L channel and/or the corresponding Frequency Response Test data of right channel with preset FR normal data, namely realizes left and right sound
Road FR matching.
Optionally, it in order to avoid endless loop, presets EQ and debugs corresponding preset times threshold value, for example, presetting
Preset times threshold value is 3 times, which can carry out flexible setting according to the actual situation, herein with no restrictions.Right
During earphone carries out quality inspection, after every progress once debugs its L channel and/or right channel EQ, statistics EQ debugging time is updated
It is several, after the EQ debugging number of statistics reaches preset times threshold value, if having carried out the L channel and/or right channel correspondence of EQ debugging
Frequency Response Test data still mismatched with preset FR normal data, then end operation determines that earphone is unqualified.
Scheme provided in this embodiment is tested by the left and right acoustic channels to earphone, obtains the left and right acoustic channels pair of earphone
The Frequency Response Test data answered, when L channel and/or the corresponding Frequency Response Test data of right channel and preset FR normal data mismatch,
According to L channel and/or the corresponding Frequency Response Test data of right channel and preset FR normal data, to L channel and/or right sound
Road carries out EQ debugging, so that the left and right acoustic channels FR of earphone is matched, to improve headphone quality after the completion of debugging.
Further, earphone quality detecting method second embodiment of the present invention is proposed based on first embodiment, in the present embodiment,
Frequency Response Test data are frequency-gain test curve, and FR normal data is frequency-gain standard curve, as shown in figure 4, the step
Suddenly S20 includes:
Step S21, respectively frequency-gain test curve corresponding to the left and right acoustic channels of the earphone and frequency-gain mark
Directrix curve is normalized；
Step S22, by the corresponding frequency of the left and right acoustic channels after normalized-gain test curve and frequency-gain mark
Directrix curve carries out difference calculating, obtains the corresponding frequency-gain difference curve of left and right acoustic channels；
Step S23, when in L channel and/or the corresponding frequency of right channel-gain difference curve yield value be in it is default
When in gain ranging, L channel and/or the corresponding frequency of right channel-gain test curve and the frequency-gain standard are determined
Curve Matching；
Step S24, when there are yield values to be in pre- in L channel and/or the corresponding frequency of right channel-gain difference curve
If when outside gain ranging, determining L channel and/or the corresponding frequency of right channel-gain test curve and the frequency-gain mark
Directrix curve mismatches.
In the present embodiment, using Frequency Response Test data as frequency-gain test curve, FR normal data is frequency-gain standard
It is illustrated for curve.
It is tested in the left and right acoustic channels to earphone, obtains the corresponding frequency of left and right acoustic channels-gain test curve of earphone
Afterwards, frequency-gain test curve corresponding to earphone left and right acoustic channels and preset frequency-gain standard curve carry out respectively
Normalized.Optionally, since the frequency range of earphone is generally in 20Hz-20kHz, by taking 850Hz therein as an example, it is based on frequency-
The corresponding gain yield value of 850Hz in gain standard curve, frequency corresponding to left and right acoustic channels-gain test curve carries out respectively
The downward or up-regulation of integrated curved gain value, 850Hz is corresponding in the corresponding frequency of left and right acoustic channels-gain test curve after adjustment
Gain value gain value corresponding with 850Hz in frequency-gain standard curve is consistent.For example, if in frequency-gain test curve
The corresponding gain value of 850Hz is 100dB, and the corresponding gain value of 850Hz is 95dB in frequency-gain standard curve, then will frequency
Rate-gain test curve integrated curved gain value lowers 5dB.For another example, if 850Hz is corresponding in frequency-gain test curve
Gain value is 93dB, and the corresponding gain value of 850Hz is 95dB in frequency-gain standard curve, then frequency-gain test is bent
Line integrated curved gain value raises 2dB.It, respectively will left and right and based on the corresponding gain value of 850Hz in frequency-gain standard curve
The corresponding gain value of all Frequency points subtracts in frequency-gain standard curve in the corresponding frequency of sound channel-gain test curve
The corresponding gain value of 850Hz, frequency-gain test curve corresponding to left and right acoustic channels are normalized, and by frequency-increasing
The corresponding gain value of all Frequency points subtracts the corresponding gain value of 850Hz in frequency-gain standard curve in beneficial standard curve, right
Frequency-gain standard curve is normalized, for example, as shown in Figure 5.
It is normalized to the corresponding frequency of left and right acoustic channels-gain test curve and frequency-gain standard curve
Afterwards, the corresponding frequency of the left and right acoustic channels after normalized-gain test curve and frequency-gain standard curve are carried out respectively
Difference calculates, and the corresponding frequency-gain difference curve of left and right acoustic channels is obtained, for example, as shown in Figure 6.
In the present embodiment, corresponding preset gain range is also preset, such as [- 3,3] dB, it should be noted that this is pre-
If gain ranging can carry out flexible setting according to the actual situation, herein with no restrictions.Obtaining the corresponding frequency-increasing of left and right acoustic channels
After beneficial difference curve, frequency-gain difference curve corresponding to left and right acoustic channels is analyzed respectively, when L channel and/or right sound
When gain yield value is within the scope of preset gain in the corresponding frequency in road-gain difference curve, L channel and/or the right side are determined
The corresponding frequency of sound channel-gain test curve and frequency-gain standard Curve Matching.Conversely, working as L channel and/or right channel pair
When being in outside preset gain range in the frequency answered-gain difference curve there are gain yield value, L channel and/or right sound are determined
The corresponding frequency in road-gain test curve and frequency-gain standard curve mismatch.
When L channel and/or the corresponding frequency of right channel-gain test curve and frequency-gain standard curve mismatch
When, according to L channel and/or right channel corresponding frequency-gain difference curve, EQ debugging is carried out to L channel and/or right channel
Processing.Optionally, the step S30 includes:
Step e, according to L channel and/or right channel corresponding frequency-gain difference curve and the preset gain model
It encloses, generates L channel and/or the corresponding EQ curve of right channel；
Step f carries out EQ debugging to L channel and/or right channel according to the EQ curve.
When L channel and/or the corresponding frequency of right channel-gain test curve and frequency-gain standard curve mismatch
When, according to L channel and/or right channel corresponding frequency-gain difference curve and preset gain range, generate L channel
And/or the corresponding EQ curve of right channel.Optionally, the step e includes:
Step e1, according to L channel and/or right channel corresponding frequency-gain difference curve and the preset gain
Range generates L channel and/or the corresponding frequency of right channel-gain resultant curve；
Step e2 negates L channel and/or right channel corresponding frequency-gain resultant curve, generate L channel and/or
The corresponding EQ curve of right channel.
Optionally, when L channel and/or the corresponding frequency of right channel-gain test curve and frequency-gain standard curve
It is raw first according to L channel and/or right channel corresponding frequency-gain difference curve and preset gain range when mismatch
At L channel and/or right channel corresponding frequency-gain resultant curve.Optionally, the step e1 includes:
Step e11 identifies that yield value is beyond described in L channel and/or the corresponding frequency of right channel-gain difference curve
The curved section of preset gain range；
Step e12 is based on the curved section, generates L channel and/or the corresponding frequency of right channel-gain resultant curve.
Optionally, when L channel and/or the corresponding frequency of right channel-gain test curve and frequency-gain standard curve
When mismatch, identify that gain yield value exceeds preset gain in L channel and/or the corresponding frequency of right channel-gain difference curve
The curved section of range includes at least one section, and based on at least curved section obtained is identified, generates L channel and/or right sound
The corresponding frequency in road-gain resultant curve.If only including a curved section, which is L channel and/or right channel pair
The frequency answered-gain resultant curve；If carrying out curved section synthesis including a plurality of curved section, L channel and/or right channel are generated
Corresponding frequency-gain resultant curve.
Implement in example one, the step e12 includes:
Step e121, obtains the maximum value or minimum value corresponding frequency values f0 and yield value m of the curved section, and obtains
Maximum value or minimum value two sides zero point is worth corresponding frequency values f1 and f2 and maximum value or minimum value two sides gain
Value is the corresponding frequency values f3 and f4 of k*m；Wherein, k is parameter preset；
Step e122 generates L channel and/or right sound according to frequency values f0, f1, f2, f3, f4 yield value corresponding with its
The corresponding frequency in road-gain resultant curve.
Implement in example one, by taking certain curved section as an example, curved section includes corresponding maximum value or minimum value, and maximum exists
Intermediate frequency is wave crest, and minimum is trough in intermediate frequency, finds zero point value to both sides with peak value and valley, zero point value is exactly gain gain
The point that value is zero.If can not find zero point value, for example, peaks or valleys are only able to find the zero point value on one side, in addition on one side without zero point
Value, then identify catastrophe point, using catastrophe point as one of zero point value of peaks or valleys.Obtain maximum or the pole of the curved section
It is small to be worth corresponding frequency values f0 and corresponding gain yield value m, and it is corresponding to obtain maximum value or minimum value two sides zero point value
Frequency values f1 and f2；In the implementation example, corresponding parameter preset k is also preset, optionally, is arranged parameter preset k's
Value is 0.707, it is to be understood that the value of parameter preset k can also be the numerical value within the scope of other 0-1, herein not
It is limited.Acquisition maximum value or minimum value two sides gain yield value is the corresponding frequency values f3 and f4 of k*m, first according to frequency values
F0, f1, f2, f3, f4 gain yield value corresponding with its generate the corresponding frequency of the curved section-gain resultant curve section, namely
According to point (f0, m), (f1,0), (f2,0), (f3, k*m), (f4, k*m), corresponding frequency-gain resultant curve section, example are generated
Such as, as shown in Figure 7.Curved section for gain yield value beyond preset gain range includes a plurality of situation, according to based on upper
It states curved section and generates corresponding frequency-gain resultant curve section mode, sequentially generate all gain yield values and increase beyond default
The corresponding frequency of the curved section of beneficial range-gain resultant curve section, and these frequencies-gain resultant curve section is synthesized,
Generate L channel and/or the corresponding frequency of right channel-gain resultant curve.
After generating L channel and/or the corresponding frequency of right channel-gain resultant curve, by L channel and/or right channel
Corresponding frequency-gain resultant curve negates, and L channel and/or the corresponding EQ curve of right channel is generated, for example, as shown in Figure 8.
After generating L channel and/or the corresponding EQ curve of right channel, according to the EQ curve, to L channel and/or right sound
Road carries out EQ debugging.Optionally, according to L channel and/or the corresponding EQ curve of right channel, the corresponding parameter of EQ curve is written
Chip completes EQ debugging.
After completing an EQ debugging, L channel and/or right channel are tested again, obtain L channel and/or the right side
The corresponding Frequency Response Test data of sound channel namely frequency-gain test curve, if the frequency currently obtained-gain test curve and pre-
If frequency-gain standard Curve Matching, then illustrate earphone left and right acoustic channels FR matching, end operation.Conversely, if current obtain
Frequency-gain test curve and preset frequency-gain standard curve mismatch, then repeatedly aforesaid operations, until finally obtaining
The left and right acoustic channels FR of the frequency taken-gain test curve and preset frequency-gain standard Curve Matching namely earphone is matched.
Alternatively, through multiple EQ debugging after, test acquisition frequency-gain test curve and preset frequency-gain standard curve according to
Old mismatch, then end operation, determines that earphone is unqualified.
Scheme provided in this embodiment, Frequency Response Test data are frequency-gain test curve, and FR normal data is frequency-increasing
Beneficial standard curve is returned by frequency-gain test curve corresponding to left and right acoustic channels and frequency-gain standard curve respectively
One change processing, and difference calculating is carried out, the corresponding frequency-gain difference curve of left and right acoustic channels is obtained, frequency-gain difference is based on
Curve and preset gain range generate L channel and/or the corresponding EQ curve of right channel, and according to EQ curve to L channel
And/or right channel carries out EQ debugging, debugging is precisely reliable, and then improves the reliability of earphone quality inspection, to further increase
The quality of earphone.
The present invention also provides a kind of computer readable storage medium, the computer-readable recording medium storage has earphone
Quality inspection procedure, the earphone quality inspection procedure can be executed by one or more than one processor to be used for:
The left and right acoustic channels of earphone are tested respectively, the corresponding FR frequency response of left and right acoustic channels for obtaining the earphone is surveyed
Try data；
Judge whether the corresponding Frequency Response Test data of the left and right acoustic channels of the earphone match with preset FR normal data；
When L channel and/or the corresponding Frequency Response Test data of right channel and the FR normal data mismatch, according to left sound
It is equal to carry out EQ to L channel and/or right channel for road and/or the corresponding Frequency Response Test data of right channel and the FR normal data
Weighing apparatus debugging, with after the completion of debugging, the left and right acoustic channels FR of the earphone is matched.
Further, following operation is also realized when the earphone quality inspection procedure is executed by processor:
If L channel and/or the corresponding Frequency Response Test data of right channel and the difference of the FR normal data are in preset range
It is interior, then determine that L channel and/or the corresponding Frequency Response Test data of right channel are matched with the FR normal data；
If L channel and/or the corresponding Frequency Response Test data of right channel and the difference of the FR normal data are in preset range
Outside, then determine that L channel and/or the corresponding Frequency Response Test data of right channel and the FR normal data mismatch.
Further, the Frequency Response Test data are frequency-gain test curve, and the FR normal data is frequency-gain
Standard curve also realizes following operation when the earphone quality inspection procedure is executed by processor:
Respectively frequency-gain test curve corresponding to the left and right acoustic channels of the earphone and frequency-gain standard curve into
Row normalized；
By the corresponding frequency of the left and right acoustic channels after normalized-gain test curve and frequency-gain standard curve into
Row difference calculates, and obtains the corresponding frequency-gain difference curve of left and right acoustic channels；
When yield value is in preset gain range in L channel and/or the corresponding frequency of right channel-gain difference curve
When interior, L channel and/or the corresponding frequency of right channel-gain test curve and the frequency-gain standard Curve Matching are determined；
When there are yield values to be in preset gain model in L channel and/or the corresponding frequency of right channel-gain difference curve
When enclosing outer, L channel and/or the corresponding frequency of right channel-gain test curve and the frequency-gain standard curve are determined not
Matching.
Further, following operation is also realized when the earphone quality inspection procedure is executed by processor:
It is raw according to L channel and/or right channel corresponding frequency-gain difference curve and the preset gain range
At L channel and/or the corresponding EQ curve of right channel；
According to the EQ curve, EQ debugging is carried out to L channel and/or right channel.
Further, following operation is also realized when the earphone quality inspection procedure is executed by processor:
It is raw according to L channel and/or right channel corresponding frequency-gain difference curve and the preset gain range
At L channel and/or right channel corresponding frequency-gain resultant curve；
L channel and/or right channel corresponding frequency-gain resultant curve are negated, L channel and/or right channel are generated
Corresponding EQ curve.
Further, following operation is also realized when the earphone quality inspection procedure is executed by processor:
Identify that yield value exceeds the preset gain in L channel and/or the corresponding frequency of right channel-gain difference curve
The curved section of range；
Based on the curved section, L channel and/or the corresponding frequency of right channel-gain resultant curve are generated.
Further, following operation is also realized when the earphone quality inspection procedure is executed by processor:
The maximum value or minimum value corresponding frequency values f0 and yield value m of the curved section is obtained, and is obtained described very big
Value or minimum two sides zero point are worth corresponding frequency values f1 and f2 and maximum value or minimum value two sides yield value is k*m
Corresponding frequency values f3 and f4；Wherein, k is parameter preset；
According to frequency values f0, f1, f2, f3, f4 yield value corresponding with its, generates L channel and/or right channel is corresponding
Frequency-gain resultant curve.
Further, following operation is also realized when the earphone quality inspection procedure is executed by processor:
When L channel and/or the corresponding Frequency Response Test data of right channel and the FR normal data mismatch, according to left sound
Road and/or the corresponding Frequency Response Test data of right channel and the FR normal data carry out EQ tune to L channel and/or right channel
Examination；
It after this debugging, returns to step and L channel and/or right channel is tested, until L channel
And/or the corresponding Frequency Response Test data of right channel are matched with the FR normal data.
Computer readable storage medium specific embodiment of the present invention and the basic phase of above-mentioned each embodiment of earphone quality detecting method
Together, details are not described herein.
The present embodiment through the above scheme, is tested by the left and right acoustic channels to earphone, obtains the left and right acoustic channels of earphone
Corresponding Frequency Response Test data, when L channel and/or the corresponding Frequency Response Test data of right channel and preset FR normal data mismatch
When, according to L channel and/or the corresponding Frequency Response Test data of right channel and preset FR normal data, to L channel and/or the right side
Sound channel carries out EQ debugging, so that the left and right acoustic channels FR of earphone is matched, to improve headphone quality after the completion of debugging.
It should be noted that, in this document, the terms "include", "comprise" or its any other variant are intended to non-row
His property includes, so that the process, method, article or the system that include a series of elements not only include those elements, and
And further include other elements that are not explicitly listed, or further include for this process, method, article or system institute it is intrinsic
Element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that including being somebody's turn to do
There is also other identical elements in the process, method of element, article or system.
The serial number of the above embodiments of the invention is only for description, does not represent the advantages or disadvantages of the embodiments.
Through the above description of the embodiments, those skilled in the art can be understood that above-described embodiment side
Method can be realized by means of software and necessary general hardware platform, naturally it is also possible to by hardware, but in many cases
The former is more preferably embodiment.Based on this understanding, technical solution of the present invention substantially in other words does the prior art
The part contributed out can be embodied in the form of software products, which is stored in one as described above
In storage medium (such as ROM/RAM, magnetic disk, CD), including some instructions are used so that terminal device (it can be mobile phone,
Computer, server or network equipment etc.) execute method described in each embodiment of the present invention.
The above is only a preferred embodiment of the present invention, is not intended to limit the scope of the invention, all to utilize this hair
Equivalent structure or equivalent flow shift made by bright specification and accompanying drawing content is applied directly or indirectly in other relevant skills
Art field, is included within the scope of the present invention.
Claims (10)
1. a kind of earphone quality detecting method, which is characterized in that the earphone quality detecting method the following steps are included:
The left and right acoustic channels of earphone are tested respectively, obtain the corresponding FR frequency response test number of left and right acoustic channels of the earphone
According to；
Judge whether the corresponding Frequency Response Test data of the left and right acoustic channels of the earphone match with preset FR normal data；
When L channel and/or the corresponding Frequency Response Test data of right channel and the FR normal data mismatch, according to L channel and/
Or the corresponding Frequency Response Test data of right channel and the FR normal data, EQ balanced device tune is carried out to L channel and/or right channel
Examination, with after the completion of debugging, the left and right acoustic channels FR of the earphone is matched.
2. earphone quality detecting method as described in claim 1, which is characterized in that the left and right acoustic channels of the judgement earphone are corresponding
Frequency Response Test data the step of whether being matched with preset FR normal data include:
If L channel and/or the corresponding Frequency Response Test data of right channel and the difference of the FR normal data are in preset range,
Then determine that L channel and/or the corresponding Frequency Response Test data of right channel are matched with the FR normal data；
If L channel and/or the corresponding Frequency Response Test data of right channel and the difference of the FR normal data are in outside preset range,
Then determine that L channel and/or the corresponding Frequency Response Test data of right channel and the FR normal data mismatch.
3. earphone quality detecting method as described in claim 1, which is characterized in that the Frequency Response Test data are frequency-gain test
Curve, the FR normal data are frequency-gain standard curve, the corresponding Frequency Response Test of left and right acoustic channels of the judgement earphone
The step of whether data match with preset FR normal data include:
Frequency-gain test curve corresponding to the left and right acoustic channels of the earphone and frequency-gain standard curve are returned respectively
One change processing；
It is poor that the corresponding frequency of left and right acoustic channels after normalized-gain test curve and frequency-gain standard curve are carried out
Value calculates, and obtains the corresponding frequency-gain difference curve of left and right acoustic channels；
When yield value is within the scope of preset gain in L channel and/or the corresponding frequency of right channel-gain difference curve,
Determine L channel and/or the corresponding frequency of right channel-gain test curve and the frequency-gain standard Curve Matching；
When there are yield values to be in outside preset gain range in L channel and/or the corresponding frequency of right channel-gain difference curve
When, determine that L channel and/or the corresponding frequency of right channel-gain test curve and the frequency-gain standard curve mismatch.
4. earphone quality detecting method as claimed in claim 3, which is characterized in that described corresponding according to L channel and/or right channel
Frequency Response Test data and the FR normal data, the step of EQ debugging is carried out to L channel and/or right channel include:
According to L channel and/or right channel corresponding frequency-gain difference curve and the preset gain range, generate left
Sound channel and/or the corresponding EQ curve of right channel；
According to the EQ curve, EQ debugging is carried out to L channel and/or right channel.
5. earphone quality detecting method as claimed in claim 4, which is characterized in that described corresponding according to L channel and/or right channel
Frequency-gain difference curve and the preset gain range, generate L channel and/or the corresponding EQ curve of right channel
Step includes:
According to L channel and/or right channel corresponding frequency-gain difference curve and the preset gain range, generate left
Sound channel and/or the corresponding frequency of right channel-gain resultant curve；
L channel and/or right channel corresponding frequency-gain resultant curve are negated, L channel is generated and/or right channel is corresponding
EQ curve.
6. earphone quality detecting method as claimed in claim 5, which is characterized in that described corresponding according to L channel and/or right channel
Frequency-gain difference curve and the preset gain range, generate L channel and/or the corresponding frequency-gain of right channel
The step of resultant curve includes:
Identify that yield value exceeds the preset gain range in L channel and/or the corresponding frequency of right channel-gain difference curve
Curved section；
Based on the curved section, L channel and/or the corresponding frequency of right channel-gain resultant curve are generated.
7. earphone quality detecting method as claimed in claim 6, which is characterized in that it is described to be based on the curved section, generate L channel
And/or the step of corresponding frequency of right channel-gain resultant curve, includes:
Obtain the maximum value or minimum value corresponding frequency values f0 and yield value m of the curved section, and obtain the maximum or
It is corresponding for k*m that minimum two sides zero point is worth corresponding frequency values f1 and f2 and maximum value or minimum value two sides yield value
Frequency values f3 and f4；Wherein, k is parameter preset；
According to frequency values f0, f1, f2, f3, f4 yield value corresponding with its, L channel and/or the corresponding frequency-of right channel are generated
Gain resultant curve.
8. such as the described in any item earphone quality detecting methods of claim 1-7, which is characterized in that described to work as L channel and/or right sound
When the corresponding Frequency Response Test data in road and the FR normal data mismatch, according to L channel and/or the corresponding Frequency Response Test of right channel
Data and the FR normal data carry out the debugging of EQ balanced device to L channel and/or right channel, with after the completion of debugging, institute
State earphone left and right acoustic channels FR matching the step of include:
When L channel and/or the corresponding Frequency Response Test data of right channel and the FR normal data mismatch, according to L channel and/
Or the corresponding Frequency Response Test data of right channel and the FR normal data, EQ debugging is carried out to L channel and/or right channel；
After this debugging, return to step and L channel and/or right channel tested, until L channel and/or
The corresponding Frequency Response Test data of right channel are matched with the FR normal data.
9. a kind of earphone quality inspection device, which is characterized in that the earphone quality inspection device includes: memory, processor and is stored in
On the memory and the earphone quality inspection procedure that can run on the processor, the earphone quality inspection procedure is by the processor
It realizes when execution such as the step of earphone quality detecting method of any of claims 1-8.
10. a kind of computer readable storage medium, which is characterized in that be stored with earphone matter on the computer readable storage medium
Program is examined, such as earphone quality inspection of any of claims 1-8 is realized when the earphone quality inspection procedure is executed by processor
The step of method.
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