CN109218885A - Headphone calibration structure, earphone and its calibration method, computer program memory medium - Google Patents
Headphone calibration structure, earphone and its calibration method, computer program memory medium Download PDFInfo
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- CN109218885A CN109218885A CN201811002043.8A CN201811002043A CN109218885A CN 109218885 A CN109218885 A CN 109218885A CN 201811002043 A CN201811002043 A CN 201811002043A CN 109218885 A CN109218885 A CN 109218885A
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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
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/10—Earpieces; Attachments therefor ; Earphones; Monophonic headphones
- H04R1/1041—Mechanical or electronic switches, or control elements
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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
- H04R3/00—Circuits for transducers, loudspeakers or microphones
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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
- H04R2420/00—Details of connection covered by H04R, not provided for in its groups
- H04R2420/03—Connection circuits to selectively connect loudspeakers or headphones to amplifiers
Abstract
The present invention is suitable for ear phone technology field, and providing a kind of headphone calibration structure, earphone and its calibration method, computer program memory medium, headphone calibration structure includes earphone and auricle space；Earphone includes: memory module, the audio file of storage calibration earphone；Audio playing module receives the control signal for playing the audio file, plays the audio file；Audio collection module is set to the auricle space, acquires the audio playing module and plays the acoustic signals generated when the audio file, and sends after the acoustic signals are converted to audio signal；Calibration module sends the control signal when carrying out the calibration of the earphone；And after receiving the audio signal, the audio signal and the audio file are compared, and the frequency response parameter of the audio playing module is corrected according to comparing result.Whereby, the present invention calibrates earphone in actual application environment, realizes and calibrates under the earphone cable according to the differentiation of individual.
Description
Technical field
The present invention relates to ear phone technology field more particularly to a kind of headphone calibration structures, earphone and its calibration method, calculating
Machine program storage medium.
Background technique
Due to reasons, the loudspeaker of volume production and other some acoustic elements due to its physical structure complexity,
Inevitably there are some individual differences, it is unstable so as to cause performance.In the prior art, the frequency response of earphone system exists
The difference and left and right whole machine balancing degree difference of each frequency point are up to several dB.Due to this deviation, the decline of integral sound effect is caused
Deviate with centrad, so as to cause user experience decline.
Ordinary circumstance adds step calibration test after earphone completes assembling, by allowing earphone to play one section of special test
Signal (can be frequency sweep, this signal is generated by test equipment), makes left and right acoustic channels MIC (microphone, microphone) sensor, makees
This signal is received for test equipment, and it is analyzed, obtain the difference of frequency response and the degree of balance and progress line is written by software
Upper real time calibration, the influence for generating circuit and loudspeaker individual difference minimize.It is raw for earphone in the prior art referring to Fig. 1
The flow chart of debugging is produced, testing sequence is by shown in number, and in addition to headset body, MIC, measuring signal generator is analyzed upper
Machine is production line test equipment, it should be noted that prepare that the instrument of software after change can be written according to test result scene
Device.Wherein:
In step S11, signal generator issues test signal；It is wired or wireless connection with earphone；Testing signal is
Analog signal or digital signal；
In step S12, microphone 1 and microphone 2 in earphone acquire the signal that loudspeaker plays；
In step S13, DSP (Digital Signal Processing, Digital Signal Processing) chip is according to ideal frequency response
The frequency response curve that the signal testing that curve and microphone 1 and microphone 2 acquire arrives carries out difference calculating；
In step S14, frequency response, equilibrium analysis host computer adjust the loudspeaker of earphone 10 according to difference calculated result in real time.
But even with above-mentioned detection calibration mode, the difference that user's individual ear generates can not still be calculated into
(difference of different user actual use mode and environment) is calibrated together, and this calibrating mode is disposably, not can guarantee
After earphone is used for a long time, difference brought by loudspeaker and each other component performance degradation is calibrated.
In addition, in the prior art, Chinese Patent Application No. 201610694571.9, a kind of entitled " loudspeaking
In the patent of invention of the method and electronic device of device calibration ", the method and electronic device of the loudspeaker calibration provided receive electronics
The calibration source of sound that the loudspeaker of device plays；Based on the calibration source of sound, the gain tune of the broadcasting sound of the loudspeaker is generated
Whole curve；Save the gain adjustment curve.User only needs the loudspeaker for receiving electronic device using electronic device to broadcast in this way
The calibration source of sound put, to generate gain adjustment curve, without by returning factory or being tested by third party seller and school
Standard, it is easy to operate.But it does not still account for the difference that earphone uses user's individual, needs the case where calibrating not phase
Together, it is unfavorable for improving user experience.
In summary, the prior art is in actual use, it is clear that there is inconvenient and defect, so it is necessary to be improved.
Summary of the invention
For above-mentioned defect, the purpose of the present invention is to provide a kind of headphone calibration structure, earphone and its calibration method,
Computer program memory medium realizes so that earphone is calibrated in actual application environment according to individual differentiation
It is calibrated under earphone cable.
To achieve the goals above, the present invention provides a kind of headphone calibration structure, including earphone and auricle space；The ear
Machine includes:
The audio file of the earphone is calibrated in memory module, storage；
Audio playing module receives the control signal for playing the audio file, plays the audio file；
Audio collection module is set to the auricle space, acquires the audio playing module and plays the audio file
When the acoustic signals that generate, and sent after the acoustic signals are converted to audio signal；
Calibration module sends the control signal when carrying out the calibration of the earphone；And receiving the audio letter
After number, the audio signal and the audio file are compared, and the audio playing module is corrected according to comparing result
Frequency response parameter.
According to the headphone calibration structure, the calibration module includes:
Digital signal processing unit reads the sound of the memory module storage when carrying out the calibration of the earphone
Frequency file；And operation is compared with the audio file for the audio signal received, and the difference of the two is believed
Breath is sent to main control unit；
Main control unit controls the audio playing module and plays the audio that the digital signal processing unit is read
File；And the audio signal is transmitted to the digital signal processing unit by the control audio collection module；The master
Control unit is joined according to the different information, the frequency response of the frequency response parameter and the audio file of correcting the audio playing module
Number is consistent.
According to the headphone calibration structure, the audio playing module includes left speaker and/or the right side of the earphone
Loudspeaker；
The audio collection module includes the left microphone and/or right microphone of the earphone；The left microphone and/or
Right microphone is respectively arranged at the proximal end of the left speaker and/or right loudspeaker；
The main control unit correct the left speaker and/or right loudspeaker frequency response curve and preset ideal frequency response
Curve coincides.
According to the headphone calibration structure, the earphone further include:
Starter is calibrated, is set on the outer housing of the earphone, is electrically connected with the calibration module；Or
It is set on the mobile communication terminal connected with earphone wireless communication；
The calibration starter sends enabling signal to the calibration module, starts the calibration module and carries out the ear
The calibration of machine.
According to the headphone calibration structure, the auricle space includes human ear auricle space or prefabricated human ear auricle
The test space of structure.
In order to realize another goal of the invention of the invention, the present invention also provides a kind of for the headphone calibration structure
Earphone, the earphone includes:
The audio file of the earphone is calibrated in memory module, storage；
Audio playing module receives the control signal for playing the audio file, plays the audio file；
Audio collection module is set to the auricle space, acquires the audio playing module and plays the audio file
When the acoustic signals that generate, and sent after the acoustic signals are converted to audio signal；
Calibration module sends the control signal when carrying out the calibration of the earphone；And receiving the audio letter
After number, the audio signal and the audio file are compared, and the audio playing module is corrected according to comparing result
Frequency response parameter.
According to the earphone, the calibration module includes:
Digital signal processing unit reads the sound of the memory module storage when carrying out the calibration of the earphone
Frequency file；And operation is compared with the audio file for the audio signal received, and the difference of the two is believed
Breath is sent to main control unit；
Main control unit controls the audio playing module and plays the audio that the digital signal processing unit is read
File；And the audio signal is transmitted to the digital signal processing unit by the control audio collection module；The master
Control unit is joined according to the different information, the frequency response of the frequency response parameter and the audio file of correcting the audio playing module
Number is consistent.
According to the earphone, the audio playing module includes the left speaker and/or right loudspeaker of the earphone；
The audio collection module includes the left microphone and/or right microphone of the earphone；The left microphone and/or
Right microphone is respectively arranged at the proximal end of the left speaker and/or right loudspeaker；
The main control unit correct the left speaker and/or right loudspeaker frequency response curve and preset ideal frequency response
Curve coincides.
According to the earphone, the earphone further include:
Starter is calibrated, is set on the outer housing of the earphone, is electrically connected with the calibration module；Or
It is set on the mobile communication terminal connected with earphone wireless communication；
The calibration starter sends enabling signal to the calibration module, starts the calibration module and carries out the ear
The calibration of machine.
According to the earphone, the auricle space includes the survey in human ear auricle space or prefabricated human ear auricle structure
Try space.
In order to realize another goal of the invention of the invention, the present invention also provides a kind of for the headphone calibration structure
Calibration method, comprising:
A, when carrying out the calibration of the earphone, the audio collection module is set to the auricle space；And institute
It states calibration module and sends the control signal for playing the audio file；
B, the audio playing module receives the control signal, plays the audio file；
C, the audio collection module acquires the audio playing module and plays the sound wave letter generated when the audio file
Number, and sent after the acoustic signals are converted to audio signal；
D, the calibration module is after receiving the audio signal, and the audio signal and the audio file are carried out pair
Than, and correct according to comparing result the frequency response parameter of the audio playing module.
According to the calibration method, before the step A further include:
The audio file of the earphone is calibrated in the memory module storage；
The calibration module includes digital signal processing unit and main control unit；The calibration module is sent described in broadcasting
The step of control signal of audio file includes:
When carrying out the calibration of the earphone, the digital signal processing unit reads the audio file；The master control
Unit processed sends the control signal for playing the audio file to the audio playing module；
The step D includes:
D1, the main control unit will control the audio collection module and the audio signal are transmitted to the number letter
Number processing unit；The audio signal operation is compared with the audio file by the digital signal processing unit, and will
The different information of the two is sent to the main control unit；
D2, the main control unit correct frequency response parameter and the institute of the audio playing module according to the different information
The frequency response parameter for stating audio file is consistent.
According to the calibration method, the audio playing module include the earphone left speaker and/or right loudspeaking
Device；
The audio collection module includes the left microphone and/or right microphone of the earphone；The left microphone and/or
Right microphone is respectively arranged at the proximal end of the left speaker and/or right loudspeaker；
The main control unit corrects the frequency response curve and preset frequency response curve of the left speaker and/or right loudspeaker
It coincides.
According to the calibration method, the auricle space includes human ear auricle space or prefabricated human ear auricle structure
The test space；The earphone further includes calibration starter, and the calibration starter is set to the outer housing of the earphone
On, it is electrically connected with the calibration module；Or it is set on the mobile communication terminal connected with earphone wireless communication；
Before the step A further include:
Enabling signal is sent to the calibration module by the calibration starter, starts the calibration module and carries out institute
State the calibration of earphone.
In order to realize another goal of the invention of the invention, the present invention also provides a kind of computer program memory mediums, use
The computer program of calibration method described in any of the above embodiments is executed in storage.
According to the computer program memory medium, the computer program memory medium is also used to store the audio
File；
The computer program memory medium is set to the earphone；And/or
It is set to the mobile communication terminal with earphone communication connection；And/or
It is set to the Cloud Server with earphone communication connection.
According to the computer program memory medium, the Cloud Server also connects with the mobile communication terminal address
It connects；
The Cloud Server includes:
Update module, for receiving the updated computer program and/or the audio file；
Sending module, for sending the updated computer journey to the earphone and/or the mobile communication terminal
Sequence and/or the audio file；
The earphone further includes the first storage update module, for by the computer program received and/or described
Audio file updates storage the computer program memory medium in the earphone；And/or
The mobile communication terminal further includes the second storage update module, the computer program for will receive
And/or the audio file updates storage the computer program memory medium in the mobile communication terminal.
Headphone calibration structure of the invention includes earphone and auricle space；And the earphone includes memory module, audio
Playing module, audio collection module and calibration module, when carrying out the calibration of earphone, calibration module sends control signals to sound
Frequency playing module, the audio playing module play the audio file of memory module storage；And the audio for being set to auricle space is adopted
Collection module acquisition audio playing module plays the audio signal of the audio file, and calibration module is then receiving the audio signal
Afterwards, the audio signal and the audio file are compared, and corrects the frequency response of audio playing module according to comparing result
Parameter specifically makes audio so that the frequency response parameter of audio playing module and the frequency response parameter of standard audio file are consistent
The frequency response parameter of playing module coincides with preset ideal frequency response curve.Wherein, auricle space include human ear auricle space or
The test space of the prefabricated human ear auricle structure of person.The difference in the human ear auricle space of each human body is thereby taken into account, preferably
Earphone after a period of use, using headphone calibration structure carry out earphone calibration, realize the calibration of the earphone under producing line.
Due to being preferably in the auricle that earphone is worn on user, it is possible thereby to well adapt to earphone specific in calibration
It is calibrated under application environment.Also, the earphone and calibration method, computer program for headphone calibration structure provided accordingly
Storage medium improves user to the usage experience of earphone.
Wherein, appended drawing reference:
100- headphone calibration structure 10- earphone case
11- memory module 20- auricle space
12- audio playing module 200- Cloud Server
13- audio collection module 14- calibration module
15- calibrates starter 30- mobile communication terminal
141- digital signal processing unit 142- main control unit
The interface of the interface 302- headphone calibration application of 301- mobile communication terminal
300- computer program memory medium 201- update module
202- sending module 101- first stores update module
305- second stores update module
Detailed description of the invention
Fig. 1 is the headphone calibration flow chart that the prior art provides.
Fig. 2 is headphone calibration structural schematic diagram provided in an embodiment of the present invention；
Fig. 3 is headphone calibration structural schematic diagram provided in an embodiment of the present invention；
Fig. 4 is headphone calibration flow chart provided in an embodiment of the present invention；
Fig. 5 is the frequency response curve adjustment schematic diagram of the audio playing module of earphone provided by the invention；
Fig. 6 A is headphone calibration structural schematic diagram provided in an embodiment of the present invention；
Fig. 6 B is that provided in an embodiment of the present invention be arranged in mobile communication terminal calibrates starter schematic diagram；
Fig. 7 is the calibration method flow chart provided in an embodiment of the present invention for headphone calibration structure；
Fig. 8 is the system schematic provided in an embodiment of the present invention including headphone calibration structure.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to the accompanying drawings and embodiments, right
The present invention is further elaborated.It should be appreciated that for " one embodiment ", " embodiment ", " example implementation in specification
The reference of example " etc. refers to that the embodiment of description may include specific feature, structure or characteristic, but not necessarily each implementation
Example must include these a particular feature, structure, or characteristics.In addition, this statement not refers to the same embodiment.Further,
When describing specific feature, structure or characteristic in conjunction with the embodiments, with or without specific description, it has been shown that will be such
It is in the knowledge of those skilled in the range that feature, structure or characteristic, which are integrated in other embodiments,.
Some vocabulary is used in specification and following claims to censure specific components or component, this field
The member of ordinary skill, it is to be appreciated that technology user or manufacturer can be different noun or term come call the same component or
Component.This specification and following claims not in such a way that the difference of title is as component or component is distinguished, and
It is the criterion with component or component difference functionally as differentiation.In specification in the whole text and subsequent claim
Mentioned " comprising " and "comprising" is an open term, therefore should be construed to " including but not limited to ".In addition, " connection "
One word includes any direct and indirect means of electrical connection herein.Indirect means of electrical connection include by other devices into
Row connection.
It should be noted that in the description of the present invention, term " transverse direction ", " longitudinal direction ", "upper", "lower", "front", "rear",
The orientation or positional relationship of the instructions such as "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" is based on attached drawing institute
The orientation or positional relationship shown, is merely for convenience of description of the present invention and simplification of the description, and is not the dress of indication or suggestion meaning
It sets or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as to limit of the invention
System.
Referring to fig. 2, a kind of headphone calibration structure 100, including 10 He of earphone are provided in one embodiment of the invention
Auricle space 20；Earphone 10 includes:
Memory module 11, the audio file of storage calibration earphone 10；The audio file is the test tone file of a standard；
Audio playing module 12 receives the control signal for playing the audio file, plays the audio file；
Audio collection module 13 is set to auricle space 20, when acquisition audio playing module 12 plays the audio file
The acoustic signals of generation, and sent after the acoustic signals are converted to audio signal；
Calibration module 14 sends the control signal when carrying out the calibration of earphone 10；And receiving the audio letter
After number, the audio signal and the audio file are compared, and the audio playing module is corrected according to comparing result
12 frequency response parameter.
In this embodiment, headphone calibration structure 100 is for calibrating earphone 10.When needing to carry out the calibration of earphone 10,
Calibration module 14 sends control signals to audio playing module 12, which plays the use that memory module 11 stores
In the audio file calibrated to earphone；And the audio collection module 13 for being set to auricle space 20 acquires audio playing module
12 play the acoustic signals of the audio file, and send after the acoustic signals are converted to audio signal, and calibration module 14 is then
After receiving the audio signal, the audio signal and the audio file are compared, and is corrected according to comparing result
The frequency response parameter of audio playing module 12, so that the frequency response parameter of the frequency response parameter of audio playing module 12 and standard audio file
It is consistent.Wherein, auricle space 20 includes the test space of human ear auricle space 20 or prefabricated human ear auricle structure.Its
In the test space of prefabricated human ear auricle structure be according to imitated human ear auricle space 20, for carrying out the calibration of earphone 10
It uses.It is provided with the audio collection module 13 in auricle space 20, it is possible thereby to consider the human ear auricle space of each human body
20 difference, preferably earphone 10 after a period of use, the ear that earphone 10 is calibrated in actual application environment is provided
Earphone 10 is worn in the auricle (i.e. one of auricle space 20) of user by machine calibration structure 100 when being calibrated,
The calibration under specific 10 application environment of earphone has been adapted to, the usage experience of user's earphone 10 is improved.
Referring to Fig. 3 and Fig. 6 A, for the starting that earphone 10 is calibrated, specifically earphone 10 further include:
Starter 15 is calibrated, is set on the outer housing of earphone 10, is electrically connected with calibration module 14；Or
It is set on the mobile communication terminal 30 connected with the wireless communication of earphone 10；
Enabling signal is sent to the calibration module 14 by the calibration starter 15, starting calibration module 14 carries out ear
Starter 15 is calibrated in the calibration of machine 10 as described in pressing on earphone 10, or referring to Fig. 6 B, the interface of mobile communication terminal
The icon for APP (Application, the using) application having on 301 starts the application after clicking the icon, shows headphone calibration
Corresponding icon --- the headphone calibration for representing starting calibration starter 15 is pressed at the interface 302 of application on the interface 302
The starting of the calibration of earphone 10 can be realized in starting.Headphone calibration stopping is pressed, the stopping of the calibration of earphone 10 can be realized.
Referring to Fig. 3, in one embodiment of the invention, calibration module 14 includes:
Digital signal processing unit 141 reads the audio that memory module 11 stores when carrying out the calibration of earphone 10
File；And the audio signal received is compared operation with the audio file, and by the different information of the two
It is sent to main control unit 142；
Main control unit 142, control audio playing module 12 play the audio that digital signal processing unit 141 is read
File；And the audio signal is transmitted to digital signal processing unit 141 by the control audio collection module；Main control list
Member 142 corrects the frequency response parameter of audio playing module 12 and the frequency response parameter one of the audio file according to the different information
It causes.
In this embodiment, digital signal processing unit 141 first has to read storage mould when carrying out the calibration of earphone 10
The audio file that block 11 stores；Then main control unit 142 controls audio playing module 12 and plays Digital Signal Processing list
The audio file that member 141 is read, and by audio playing module 12 when playing the audio file, audio collection module 13 is adopted
Audio signal after collecting acoustic signals conversion returns to digital signal processing unit 141.Digital signal processing unit 141 is transported
It calculates, according to operation result, sends main control unit 142 for the different information of the audio signal and the audio file；Most
Main control unit 142 then corrects the frequency response parameter of audio playing module 12 and the frequency of the audio file according to the different information afterwards
It is consistent to ring parameter.Wherein, audio playing module 12 includes the left speaker and/or right loudspeaker of earphone 10；Audio collection module
13 include the left microphone and/or right microphone 131 of the earphone 10.Wherein, the left microphone and/or right microphone difference
It is set to the proximal end of the left speaker and/or right loudspeaker；Utilize the acquisition to the audio signal.Preferably, referring to figure
5, main control unit 142 is the frequency response curve and preset ideal frequency response curve for correcting the left speaker and/or right loudspeaker
It coincides.Preset ideal frequency response curve is the frequency response curve that the audio of optimal left speaker and/or right loudspeaker plays.Figure
A curve is ideal frequency response curve in 5, and b curve is actually measured frequency response curve, and c is offset between the two, is made after compensation
Actually measured frequency response curve is overlapped with ideal frequency response curve, obtains good auditory effect.Wherein, audio collection module 13 is made
MIC (left microphone and right microphone) is high consistency, guarantees the accuracy of calibration.
Referring to fig. 4, in one embodiment of the invention, the internal structure and earphone of earphone 10 are shown referring to fig. 4
Calibrate process:
In step S21, dsp chip reads the audio file that storage is surveyed in the flash chip of sound；
In step S22, DSP puts chip to ear and sends audio data, i.e. MCU receives the audio file that dsp chip is read；
In step S23, ear puts chip output electric signal, drives left and right speakers, and MCU controls left and right loudspeaker and plays sound
Frequency file；
In step S24, left and right microphone acquires left and right loudspeaker and plays the acoustic signals of audio file, and is converted
For audio signal；
In step S25, collected signal is sent to DSP by left and right microphone, dsp chip calculate the audio signal and
The frequency response difference of audio file, and send ear for adjusted result and put chip；
In step S26, DSP calculates frequency response difference section, and thermal compensation signal is superimposed upon original when playing music next time
Output puts chip to ear on signal.Ear puts the frequency response curve and audio text that chip controls left and right loudspeaker according to the adjusted result
The frequency response curve of part coincides.
It in this embodiment, is being that MIC (microphone, microphone) is implanted into ear as audio collection module 13 respectively
In machine 10 as the left and right loudspeaker of audio playing module 12 near, after user correctly wears earphone 10, pass through broadcasting
10 internal memory of earphone, i.e., the test signal in memory module 10 go forward side by side containing human ear in the analysis that interior whole system responds
Row calibration.Since audio collection module 13 is set to auricle space 20, require the diversity factor of MIC itself very low at this time, and
Due to being the built-in digital signal processing unit 141 of earphone itself, using DSP (Digital Signal Processing, number
Word signal processing) chip realization, it is acquired analysis, it requires that dsp chip has certain processing capacity.Finally by built-in
The adjusting of dsp chip, the good dsp chip of performance can carry out multistage adjusting to each frequency at present, finally by main control unit
142 make the frequency response curve of the left speaker and/or right loudspeaker and the frequency response curve of the audio file coincide.Control
It is MCU (Microcontroller Unit, micro-control unit) to realize that product itself difference minimizes on unit 142 is realized
With the matching with particular user ear, reach optimal output effect and experience.The MIC being implanted at this time can not also stop to supervise in real time
The output of earphone 10 is controlled, exports or sounds a warning by limitation in due course to extend continuation of the journey and protection human ear hearing；Most
Smallization reduces product individual difference, reaches optimal user experience.
In order to realize another goal of the invention of the invention, the present invention also provides a kind of in any of the above-described embodiment
The earphone 10 of headphone calibration structure 100, earphone 10 include:
Memory module 11, the audio file of storage calibration earphone 10；
Audio playing module 12 receives the control signal for playing the audio file, plays the audio file；
Audio collection module 13 is set to auricle space 20, when acquisition audio playing module 12 plays the audio file
The acoustic signals of generation, and sent after the acoustic signals are converted to audio signal；
Calibration module 14 sends the control signal when carrying out the calibration of earphone 10；And receiving the audio letter
After number, the audio signal and the audio file are compared, and audio playing module 12 is corrected according to comparing result
Frequency response parameter.
When needing to carry out the calibration of earphone 10, calibration module 14 sends control signals to audio playing module 12, the sound
Frequency playing module 12 plays the audio file for being calibrated to earphone that memory module 11 stores；And it is set to auricle space
20 audio collection module 13 acquires audio playing module 12 and plays the acoustic signals of the audio file, and is converted to audio letter
It number sending, then after receiving the audio signal, the audio signal and the audio file are compared for calibration module 14,
And the frequency response parameter of audio playing module 12 is corrected according to comparing result, so that the frequency response parameter and standard of audio playing module 12
The frequency response parameter of audio file is consistent, due to consideration that the difference in the human ear auricle space 20 of each human body, preferably exists
Earphone 10 after a period of use, carries out the calibration of the earphone 10 under producing line, improves with the usage experience to earphone 10.
Have provided by the present invention for the specific structure of the earphone 10 of headphone calibration structure 100 in above-mentioned multiple embodiments
Description, details are not described herein.
Referring to Fig. 7, additionally provide in one embodiment of the invention a kind of for the described of any of the above-described embodiment
The calibration method of 10 calibration structure 100 of earphone, comprising:
The audio collection module 13 is set to the auricle when carrying out the calibration of the earphone 10 by step S601
Space 20；And the calibration module 14 sends the control signal for playing the audio file；
Step S602, the audio playing module 12 receive the control signal, play the audio file；
Step S603, the audio collection module 13 acquire production when the audio playing module 12 plays the audio file
Raw acoustic signals, and sent after the acoustic signals are converted to audio signal；
Step S604, the calibration module 14 is after receiving the audio signal, by the audio signal and the audio
File compares, and the frequency response parameter of the audio playing module 12 is corrected according to comparing result.
In this embodiment, when needing to carry out the calibration of earphone 10, the audio collection module 13 is set to described
Auricle space 20.The auricle space 20 includes the test space of human ear auricle space 20 or prefabricated human ear auricle structure；
Thus earphone 10 can carry out the calibration under producing line in the case where wearing, adapt to the calibration requirements of Different Individual.Calibration module
14 send control signals to audio playing module 12, and what the audio playing module 12 broadcasting memory module 11 stored is used for earphone
10 audio files calibrated；And the audio collection module 13 for being set to auricle space 20 acquires audio playing module 12 and plays
The acoustic signals of the audio file, and the acoustic signals are carried out to be converted to audio signal transmission, calibration module 14 is then connecing
After receiving the audio signal, the audio signal and the audio file are compared, and audio is corrected according to comparing result
The frequency response parameter of playing module 12, so that the frequency response parameter of audio playing module 12 and the frequency response parameter of standard audio file are kept
Unanimously.Wherein, audio playing module 12 includes the left speaker and/or right loudspeaker of earphone 10；Audio collection module 13 includes
The left microphone and/or right microphone of earphone 10；Left microphone and/or right microphone are respectively arranged at left speaker and/or the right side
The proximal end of loudspeaker carries out the acquisition of the audio signal by left microphone and/or right microphone.
In one embodiment of the invention, before the step S601 further include:
Memory module 20 stores the audio file for calibrating the earphone 10；The audio file file is the test of a standard
Sound file, for calibrating the earphone 10.
Calibration module 14 includes digital signal processing unit 141 and main control unit 142；Calibration module 14, which is sent, plays institute
The step of stating the control signal of audio file include:
When carrying out the calibration of the earphone 10, digital signal processing unit 141 reads the audio file；Main control list
Member 142 sends the control signal for playing the audio file to audio playing module 12；
The step S604 includes:
The audio signal received is transmitted to the digital signal processing unit 141 by main control unit 142；Number
The audio signal operation is compared with the audio file by signal processing unit 141, and the different information of the two is sent out
It is sent to main control unit 142；And
Main control unit 142 corrects the frequency response parameter and the audio of audio playing module 12 according to the different information
The frequency response parameter of file is consistent.Specifically, main control unit 142 corrects the left speaker and/or the frequency response of right loudspeaker is bent
Line coincides with preset ideal frequency response curve, it is thus achieved that the amendment to earphone 10.
In addition, earphone 10 further includes calibration starter 15, starter 15 is calibrated, the outer housing of earphone 10 is set to
On, it is electrically connected with calibration module 14；Or it is set on the mobile communication terminal connected with the wireless communication of earphone 10；The step
Before rapid S601 further include: send enabling signal to the calibration module 14 by calibration starter 15, start calibration module
14 carry out the calibration of earphone 10.Starter 15 is calibrated as described in pressing on earphone 10, or referring to Fig. 6 B, is clicked corresponding
Start the application of headphone calibration after icon, corresponding generation is pressed on the interface 302 in the interface 302 of display headphone calibration application
The icon of table starting calibration starter 15 --- the starting of the calibration of earphone 10 can be realized in headphone calibration starting.Press earphone
Calibration stops, and the stopping of the calibration of earphone 10 can be realized.
By above-mentioned calibration method, so that the frequency response parameter of the audio playing module 12 of earphone 10 and standard audio file
Frequency response parameter be consistent, due to consideration that the difference in the human ear auricle space 20 of each human body, preferably makes in earphone 10
After a period of time, the calibration of the earphone 10 under producing line is carried out in the case where wearing earphone 10, improves user to earphone 10
Usage experience.
In addition, referring to fig. 4, in one embodiment of the invention, with the development of technology, some high-end earphones band
There are adjusting EQ (Equalizer, balanced device) and active noise reduction function, thus be likely that there are dsp chip inside it, and handles energy
Power is powerful.Calibrated after earphone 10 wears human ear auricle, calibration process is: dsp chip is as the core entirely tested
Component will read test sound file, the test tone file be first frequency sweep letters from memory module 10, a specially FLASH chip
Number, the continually changing signal of frequency from low to high, the test tone file of a standard；Main control MCU makes loudspeaker play this simultaneously
Test tone, this test tone are received by high-precision MIC after playing via loudspeaker conversion and send dsp chip to；Dsp chip passes through
It compares the test tone file directly read and is calculated after the test sound signal received via MIC, main control MCU is according to DSP
The contrast conting of chip is superimposed upon the calibration of difference section one on original audio signal as a result, when earphone 10 works normally
And it is defeated by loudspeaker, the loudspeaker frequency response curve of left and right ear, which coincides with the frequency response curve of test tone file, reaches best effective
Fruit.Since the loudspeaker of earphone 10 and each acoustic element are after being used for a long time, various physical motions can bring performance degradation,
Therefore carrying out primary calibration at regular intervals can make earphone 10 be always held at optimum Working.User uses a period of time
Afterwards, feel to need to calibrate, the key then pressed in specified calibration starter 15 can be calibrated.Wherein, MIC can be existing
MIC in noise cancelling headphone is shared, without additionally increasing MIC on earphone 10 again.Earphone 10 in Fig. 4 is worn in user to be used
Middle carry out detection calibration.To the difference that the difference or use habit that user's individual ear generates generate be calculated into
It calibrates together, and even if still is able in real time calibrate earphone 10 after long-term use.
A kind of computer program memory medium 300 is additionally provided in an embodiment of the invention, is executed for storing
State the computer program of calibration method described in any embodiment.Referring also to Fig. 8, the figure shows include headphone calibration knot
The system of structure 100 forms, and which includes computer program memory medium 300, Cloud Servers 200 etc..The computer program is deposited
Storage media 300 is also used to store the audio file；Setting for the computer program memory medium 300, can be and set
It is placed in earphone 10, the memory module 10 as described in using above-mentioned multiple embodiments is used as computer program memory medium 300；
And/or the computer program memory medium 300 can also be set to the mobile communication terminal 30 communicated to connect with earphone 10；With/
Or it is set to the Cloud Server 200 communicated to connect with earphone 10.It is possible thereby to easily carry out the computer program and/or institute
The update of audio file is stated, to adapt to the calibration requirements more updated.
In one embodiment of the invention, Cloud Server 200 is also communicated to connect with mobile communication terminal 30；
The Cloud Server 200 includes:
Update module 201, for receiving the updated computer program and/or the audio file；For described
The update of computer program and/or the audio file, can be directly at 200 end of Cloud Server by the new computer program
And/or the computer program memory medium 300 in the audio files storage to Cloud Server 200.Or by being taken with the cloud
The terminal that business device 200 communicates to connect, such as computer, mobile communication terminal, by the updated computer program and/or institute
It states audio file and is sent to Cloud Server 200.Wherein the mobile communication terminal include mobile communication terminal 30 either its
His mobile communication terminal, such as some mobile communication for updating administration authority with 300 storage content of computer storage medium are whole
End.
Sending module 202, for sending the updated computer program to earphone 10 and/or mobile communication terminal 30
And/or the audio file；By be set to Cloud Server 200 sending module 202 in time or timing to earphone 10 and/
Or mobile communication terminal 30 sends new computer program and/or audio file.In addition, earphone 10 further includes that the first storage updates
Module 101, for updating storage the computer program received and/or the audio file in the earphone 10
Computer program memory medium 300；And/or mobile communication terminal 30 further includes the second storage update module 305, for that will receive
To the computer program and/or the audio file update storage the computer program in the mobile communication terminal 30
Storage medium 300.
A part of the invention can be applied to computer program product, such as computer program instructions, when it is calculated
When machine executes, by the operation of the computer, it can call or provide according to the method for the present invention and/or technical solution.And it adjusts
It with the program instruction of method of the invention, is possibly stored in fixed or moveable recording medium, and/or passes through broadcast
Or data flow in other signal-bearing mediums and transmitted, and/or be stored in and set according to the computer of program instruction operation
In standby working storage.Here, according to one embodiment of present invention including one as shown in Fig. 2, Fig. 3, Fig. 8 and Fig. 6 A
Equipment, which includes the memory module 11 or computer program memory medium 300 for storing computer program instructions
With the calibration module 14 for executing program instructions, wherein when the computer program instructions are executed by the processor, triggering should
Equipment is executed based on the method and/or technology scheme in aforesaid plurality of embodiment.
It should be noted that the present invention can be carried out in the assembly of software and/or software and hardware, for example, can adopt
With specific integrated circuit (ASIC), general purpose computer or any other realized similar to hardware device.In one embodiment
In, software program of the invention can be executed by processor to realize above step or function.Similarly, software of the invention
Program (including relevant data structure) can be stored in computer readable recording medium, for example, RAM memory, magnetic or
CD-ROM driver or floppy disc and similar devices.In addition, some of the steps or functions of the present invention may be implemented in hardware, for example,
As the circuit cooperated with processor thereby executing each step or function.
In conclusion headphone calibration structure of the invention includes earphone and auricle space；And the earphone includes storage
Module, audio playing module, audio collection module and calibration module, when carrying out the calibration of earphone, calibration module sends control
The audio file that signal processed is stored to audio playing module, audio playing module broadcasting memory module；And it is set to auricle sky
Between audio collection module acquisition audio playing module play the audio signal of the audio file, calibration module is then receiving institute
After stating audio signal, the audio signal and the audio file are compared, and audio is corrected according to comparing result and is played
The frequency response parameter of module, so that the frequency response parameter of audio playing module and the frequency response parameter of standard audio file are consistent, tool
The frequency response parameter for making audio playing module of body coincides with preset ideal frequency response curve.Wherein, auricle space includes human ear
The test space of auricle space or prefabricated human ear auricle structure.Thereby take into account the difference in the human ear auricle space of each human body
It is different, preferably earphone after a period of use, using headphone calibration structure carry out earphone calibration, realize the ear under producing line
The calibration of machine.Due to being preferably in the auricle that earphone is worn on user, it is possible thereby to well adapt to ear in calibration
Machine is calibrated under specific application environment.Also, provide accordingly for headphone calibration structure earphone and calibration method,
Computer program memory medium improves user to the usage experience of earphone.
Certainly, the present invention can also have other various embodiments, without deviating from the spirit and substance of the present invention, ripe
It knows those skilled in the art and makes various corresponding changes and modifications, but these corresponding changes and change in accordance with the present invention
Shape all should fall within the scope of protection of the appended claims of the present invention.
Claims (13)
1. a kind of headphone calibration structure, which is characterized in that including earphone and auricle space；The earphone includes:
The audio file of the earphone is calibrated in memory module, storage；
Audio playing module receives the control signal for playing the audio file, plays the audio file；
Audio collection module is set to the auricle space, acquires production when the audio playing module plays the audio file
Raw acoustic signals, and sent after the acoustic signals are converted to audio signal；
Calibration module sends the control signal when carrying out the calibration of the earphone；And receiving the audio signal
Afterwards, the audio signal and the audio file are compared, and the audio playing module is corrected according to comparing result
Frequency response parameter.
2. headphone calibration structure according to claim 1, which is characterized in that the calibration module includes:
Digital signal processing unit reads the audio text of the memory module storage when carrying out the calibration of the earphone
Part；And operation is compared with the audio file for the audio signal received, and the different information of the two is sent out
It is sent to main control unit；
Main control unit controls the audio playing module and plays the audio text that the digital signal processing unit is read
Part；And the audio signal is transmitted to the digital signal processing unit by the control audio collection module；The master control
Unit processed corrects the frequency response parameter of the audio playing module and the frequency response parameter of the audio file according to the different information
Unanimously.
3. headphone calibration structure according to claim 2, which is characterized in that the audio playing module includes the earphone
Left speaker and/or right loudspeaker；
The audio collection module includes the left microphone and/or right microphone of the earphone；The left microphone and/or right wheat
Gram wind is respectively arranged at the proximal end of the left speaker and/or right loudspeaker；
The main control unit corrects the frequency response curve and preset ideal frequency response curve of the left speaker and/or right loudspeaker
It coincides.
4. headphone calibration structure according to claim 1, which is characterized in that the earphone further include:
Starter is calibrated, is set on the outer housing of the earphone, is electrically connected with the calibration module；Or
It is set on the mobile communication terminal connected with earphone wireless communication；
The calibration starter sends enabling signal to the calibration module, starts the calibration module and carries out the earphone
Calibration.
5. headphone calibration structure according to claim 1, which is characterized in that the auricle space includes human ear auricle space
Or the test space of prefabricated human ear auricle structure.
6. a kind of earphone for the described in any item headphone calibration structures of Claims 1 to 5, which is characterized in that the earphone
Include:
The audio file of the earphone is calibrated in memory module, storage；
Audio playing module receives the control signal for playing the audio file, plays the audio file；
Audio collection module is set to the auricle space, acquires production when the audio playing module plays the audio file
Raw acoustic signals, and sent after the acoustic signals are converted to audio signal；
Calibration module sends the control signal when carrying out the calibration of the earphone；And receiving the audio signal
Afterwards, the audio signal and the audio file are compared, and the audio playing module is corrected according to comparing result
Frequency response parameter.
7. a kind of calibration method for headphone calibration structure described in claim 1 characterized by comprising
A, when carrying out the calibration of the earphone, the audio collection module is set to the auricle space；And the school
Quasi-mode block sends the control signal for playing the audio file；
B, the audio playing module receives the control signal, plays the audio file；
C, the audio collection module acquires the audio playing module and plays the acoustic signals generated when the audio file, and
It is sent after the acoustic signals are converted to audio signal；
D, the calibration module compares the audio signal and the audio file after receiving the audio signal,
And the frequency response parameter of the audio playing module is corrected according to comparing result.
8. calibration method according to claim 7, which is characterized in that before the step A further include:
The audio file of the earphone is calibrated in the memory module storage；
The calibration module includes digital signal processing unit and main control unit；The calibration module, which is sent, plays the audio
The step of control signal of file includes:
When carrying out the calibration of the earphone, the digital signal processing unit reads the audio file；The main control list
Member sends the control signal for playing the audio file to the audio playing module；
The step D includes:
D1, the main control unit will control the audio collection module and the audio signal are transmitted at the digital signal
Manage unit；Operation is compared with the audio file in the audio signal by the digital signal processing unit, and by the two
Different information be sent to the main control unit；
D2, the main control unit according to the different information, correct the audio playing module frequency response parameter and the sound
The frequency response parameter of frequency file is consistent.
9. calibration method according to claim 8, which is characterized in that the audio playing module includes a left side for the earphone
Loudspeaker and/or right loudspeaker；
The audio collection module includes the left microphone and/or right microphone of the earphone；The left microphone and/or right wheat
Gram wind is respectively arranged at the proximal end of the left speaker and/or right loudspeaker；
The main control unit corrects the frequency response curve and preset ideal frequency response curve of the left speaker and/or right loudspeaker
It coincides.
10. calibration method according to claim 7, which is characterized in that the auricle space include human ear auricle space or
The test space of the prefabricated human ear auricle structure of person；The earphone further includes calibrating starter, the calibration starter, if
It is placed on the outer housing of the earphone, is electrically connected with the calibration module；Or it is set to wirelessly communicate with the earphone and connect
On the mobile communication terminal connect；
Before the step A further include:
Enabling signal is sent to the calibration module by the calibration starter, starts the calibration module and carries out the ear
The calibration of machine.
11. a kind of computer program memory medium requires 7~10 described in any item calibration methods for storing perform claim
Computer program.
12. computer program memory medium according to claim 11, which is characterized in that the computer program storage is situated between
Matter is also used to store the audio file；
The computer program memory medium is set to the earphone；And/or
It is set to the mobile communication terminal with earphone communication connection；And/or
It is set to the Cloud Server with earphone communication connection.
13. computer program memory medium according to claim 12, which is characterized in that the Cloud Server also with it is described
Mobile communication terminal address connection；The Cloud Server includes:
Update module, for receiving the updated computer program and/or the audio file；
Sending module, for the earphone and/or the mobile communication terminal send the updated computer program and/
Or the audio file；
The earphone further includes the first storage update module, for by the computer program received and/or the audio
File updates storage the computer program memory medium in the earphone；And/or
The mobile communication terminal further includes the second storage update module, for by the computer program received and/or
The audio file updates storage the computer program memory medium in the mobile communication terminal.
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| CN201811002043.8A CN109218885A (en) | 2018-08-30 | 2018-08-30 | Headphone calibration structure, earphone and its calibration method, computer program memory medium |
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| CN201811002043.8A CN109218885A (en) | 2018-08-30 | 2018-08-30 | Headphone calibration structure, earphone and its calibration method, computer program memory medium |
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| CN113709646A (en) * | 2021-07-29 | 2021-11-26 | 黎兴荣 | Earphone production measurement and calibration system |
| CN113794965A (en) * | 2021-10-28 | 2021-12-14 | 歌尔科技有限公司 | Earphone frequency response calibration method and device, earphone equipment and storage medium |
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