CN104469648B - audio calibrating method and device - Google Patents
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- CN104469648B CN104469648B CN201410855860.3A CN201410855860A CN104469648B CN 104469648 B CN104469648 B CN 104469648B CN 201410855860 A CN201410855860 A CN 201410855860A CN 104469648 B CN104469648 B CN 104469648B
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Abstract
The disclosure is directed to a kind of audio calibrating method and device, for terminal device, to be simply and quickly that audio frequency apparatus is calibrated.Methods described includes：Obtain the positional information of terminal device；The audio signal that collection audio frequency apparatus is sent；The audio signal is analyzed；The audio frequency apparatus is calibrated according to analysis result；By calibration result and the corresponding preservation of the positional information of the terminal device.The technical scheme that the disclosure provides, audio frequency apparatus can be calibrated without using external calibrator (-ter) unit, realize it is simple to audio frequency apparatus, efficiently calibrate, simultaneously by calibration result preservation corresponding with positional information, so as to when user is moved to the position, calibration need not be re-started, only calibration result need to be called to complete calibration, save amount of user effort.
Description
Technical field
This disclosure relates to Audiotechnica field, more particularly to audio calibrating method and device.
Background technology
In correlation technique, audio frequency apparatus is influenceed by factors such as acoustic enviroment, equipment pendulum position, hearer positions, therefore, is typically needed
Sound calibration is carried out to these equipment.Audio calibrating method mainly has：The frequency response curve of audio frequency apparatus is adjusted；Adjustment
Equipment pendulum position, room-sized and metope material etc. in room.Such as the home theater of user's purchase, its sound calibration function
Major part is completed by power amplifier, is connected to power amplifier by using external microphone wind, is used power amplifier
Sound calibration function sound is calibrated.
The content of the invention
To overcome problem present in correlation technique, the embodiment of the present disclosure provides audio calibrating method and device, to letter
List, quickly calibrated for audio frequency apparatus.
According to the first aspect of the embodiment of the present disclosure, there is provided a kind of audio calibrating method, for terminal device, including：
Obtain the positional information of terminal device；
The audio signal that collection audio frequency apparatus is sent；
The audio signal is analyzed；
The audio frequency apparatus is calibrated according to analysis result；
By calibration result and the corresponding preservation of the positional information of the terminal device.
It is in one embodiment, described that the audio signal is analyzed, it may include：
The audio signal is handled using Digital Signal Processing；
According to result determine in the frequency response curve of the audio frequency apparatus, phase, the distortion factor at least one of.
In one embodiment, it is described that the audio frequency apparatus is calibrated according to analysis result, it may include following three kinds
At least one of mode：
By the frequency response curve smoothing processing of the audio frequency apparatus；
Adjust the phase difference of the audio frequency apparatus；
The distortion factor of the audio frequency apparatus is adjusted to be below predetermined value.
In one embodiment, it is described by calibration result and the positional information of the terminal device are corresponding preserve after, institute
The method of stating may also include：
Obtain the current location information of terminal device；
In the corresponding relation of the calibration result and the positional information of the terminal device, the present bit confidence is searched
Calibration result corresponding to breath；
When finding calibration result corresponding to the current location information, school corresponding to the current location information is utilized
Quasi- result calibrates audio.
In one embodiment, before the positional information for obtaining terminal device, methods described also includes：
Judge whether the terminal device is in mobile status；
When the terminal device is in mobile status, perform it is described obtain terminal device positional information the step of.
According to the second aspect of the embodiment of the present disclosure, there is provided a kind of audio alignment device, for terminal device, including：
First acquisition module, for obtaining the positional information of terminal device；
Acquisition module, the audio signal sent for gathering audio frequency apparatus；
Analysis module, for analyzing the audio signal；
First calibration module, for being calibrated according to analysis result to the audio frequency apparatus；
Preserving module, preserved for calibration result and the positional information of the terminal device to be corresponded to.
In one embodiment, the analysis module may include：
First processing submodule, for being handled using Digital Signal Processing the audio signal；
Determination sub-module, for being determined according to result in the frequency response curve of the audio frequency apparatus, phase, the distortion factor
At least one of.
In one embodiment, the calibration module may include：
Second processing submodule, for by the frequency response curve smoothing processing of the audio frequency apparatus；
First adjustment submodule, for adjusting the phase difference of the audio frequency apparatus；
Second adjustment submodule, for the distortion factor of the audio frequency apparatus to be adjusted to be below into predetermined value.
In one embodiment, described device may also include：
Second acquisition module, for obtaining the current location information of terminal device；
Searching modul, in the corresponding relation of the calibration result and the positional information of the terminal device, searching
Calibration result corresponding to the current location information；
Second calibration module, for when finding calibration result corresponding to the current location information, being worked as using described
Calibration result corresponding to the information of front position calibrates audio.
In one embodiment, described device also includes：
Judge module, for judging whether the terminal device is in mobile status；
Processing module, for when the terminal device is in mobile status, notifying first acquisition module to obtain eventually
The positional information of end equipment.
According to the third aspect of the embodiment of the present disclosure, there is provided a kind of audio alignment device, for terminal device, including：
Processor；
For storing the memory of processor-executable instruction；
Wherein, the processor is configured as
Obtain the positional information of terminal device；
The audio signal that collection audio frequency apparatus is sent；
The audio signal is analyzed；
The audio frequency apparatus is calibrated according to analysis result；
By calibration result and the corresponding preservation of the positional information of the terminal device.
The technical scheme provided by this disclosed embodiment can include the following benefits：
The technical scheme that the embodiment of the present disclosure provides, the audio signal sent by terminal device collection audio frequency apparatus, and
Audio signal is analyzed, audio frequency apparatus calibrated according to analysis result, without being using external calibrator (-ter) unit
Audio frequency apparatus can be calibrated, realize it is simple to audio frequency apparatus, efficiently calibrate, while by calibration result and positional information
It is corresponding to preserve, so as to when user is moved to the position, without re-starting calibration, only calibration result be called to complete school
Quasi- work, has saved amount of user effort.
It should be appreciated that the general description and following detailed description of the above are only exemplary and explanatory, not
The disclosure can be limited.
Brief description of the drawings
Accompanying drawing herein is merged in specification and forms the part of this specification, shows the implementation for meeting the disclosure
Example, and be used to together with specification to explain the principle of the disclosure.
Fig. 1 is a kind of flow chart of audio calibrating method according to an exemplary embodiment.
Fig. 2 is the flow chart of another audio calibrating method according to an exemplary embodiment.
Fig. 3 is the flow chart of the audio calibrating method according to an exemplary embodiment one.
Fig. 4 is a kind of block diagram of audio alignment device according to an exemplary embodiment.
Fig. 5 is the block diagram of another audio alignment device according to an exemplary embodiment.
Fig. 6 is the block diagram of another audio alignment device according to an exemplary embodiment.
Fig. 7 is the block diagram of another audio alignment device according to an exemplary embodiment.
Fig. 8 is the block diagram of another audio alignment device according to an exemplary embodiment.
Fig. 9 is a kind of block diagram suitable for audio alignment device according to an exemplary embodiment.
Embodiment
Here exemplary embodiment will be illustrated in detail, its example is illustrated in the accompanying drawings.Following description is related to
During accompanying drawing, unless otherwise indicated, the same numbers in different accompanying drawings represent same or analogous key element.Following exemplary embodiment
Described in embodiment do not represent all embodiments consistent with the disclosure.On the contrary, they be only with it is such as appended
The example of the consistent apparatus and method of some aspects be described in detail in claims, the disclosure.
Fig. 1 is a kind of flow chart of audio calibrating method according to an exemplary embodiment, as shown in figure 1, the sound
Frequency calibration method is used for terminal device, and terminal device can be mobile phone, apparatus such as computer.This method comprises the following steps S101-
S105：
In step S101, the positional information of terminal device is obtained.
In the step, terminal device for example can be mobile phone, and user to a certain position if it is desired to carry out audio alignment, user
The position can be moved to carrying mobile phone, terminal device obtains the positional information of the position, is easy to user by calibration result and position
Confidence breath is corresponding to be preserved.
In one embodiment, before performing step S101, it can first judge whether terminal device is in mobile status；When
When determining terminal device and being in mobile status, it is further continued for performing step S101-S103.The above method, it is in profit according to user
Motion feature during audio is calibrated with terminal device, an execution condition is set to the above method；Due in the above-mentioned methods,
For user when using terminal device calibration audio, meeting carried terminal equipment is moved to suitable position, with to each opening position
Audio is calibrated, and therefore, the above method just starts to perform step S101- when determining terminal device and being in mobile status
S103, the above method cause user that terminal device need not be controlled to start the audio alignment stream that the embodiment of the present disclosure provides manually
Journey, calibration process more intelligence and automation, improves user experience.
In step s 102, the audio signal that collection audio frequency apparatus is sent.
In one embodiment, terminal device typically all built-in microphone, using Mike's elegance built in terminal device
The audio signal that collection audio frequency apparatus is sent, audio alignment is carried out without reconnecting external microphone wind, very simple and convenient.
The perceived audio frequency range of human ear is 20-20KHZ, and the audio signal that audio frequency apparatus is sent for example can be frequency sweep letter
Number, swept-frequency signal refers to signal in a frequency range (such as 20-20KHZ), and (or from low to high) is continuous from high to low for frequency
Change.Swept-frequency signal can be with the frequency characteristic of testing audio equipment, such as can obtain the frequency response curve of audio frequency apparatus.
In step s 103, audio signal is analyzed.
Wherein, in above-mentioned steps S102, the loudspeaker of audio frequency apparatus sends specific audio signal, the wheat of terminal device
Gram elegance collection signal, after microphone collects the audio signal, the algorithm built in terminal device can be utilized to believe audio
Number analyzed, determine the parameters such as the frequency response curve, phase difference and the distortion factor of audio frequency apparatus.
In one embodiment, as shown in Fig. 2 step S103 can be embodied as following steps S201-S202：
In step s 201, audio signal is handled using Digital Signal Processing.
In one embodiment, audio signal is sampled using Digital Signal Processing, and sampled result is entered
Row analysis and research.
In step S202, at least one in the frequency response curve of audio frequency apparatus, phase, the distortion factor is determined according to result
.
In one embodiment, influenceing the factor of acoustic characteristic mainly has the frequency response curve of audio frequency apparatus, phase, the distortion factor
Deng.Therefore, the parameters such as the frequency response curve that should measure audio frequency apparatus first, phase, the distortion factor are calibrated to audio frequency apparatus.
In step S104, audio frequency apparatus is calibrated according to analysis result.
In one embodiment, the frequency response that audio frequency apparatus is drawn out according to the audio signal collected such as swept-frequency signal is bent
Line, and the parameters such as the phase difference of audio frequency apparatus, the distortion factor are determined, these parameters are calibrated.
In one embodiment, step S104 can be embodied as at least one of following three kinds of modes：
Mode one, by the frequency response curve smoothing processing of audio frequency apparatus.Frequency response is the audio signal exported with constant voltage
When being connected with system, acoustic pressure caused by audio amplifier increases or decayed with the change of frequency, phase becomes with frequency
The phenomenon of change, the frequency characteristic of audio frequency apparatus disclose radianting capacity of the audio frequency apparatus to the sound wave of different frequency, audio frequency apparatus
Frequency response curve it is more flat, performance is better, therefore frequency response curve is adjusted using the adjustment instrument built in terminal device,
Make it as far as possible flat, so as to optimize audio frequency apparatus self performance.
Mode two, adjust the phase difference of audio frequency apparatus.In one embodiment, hearer is in some position, different audios
The sound that equipment is passed to hearer's ear can have phase difference, at this moment, can be disappeared by the way of the position of adjustment audio frequency apparatus
, can also be poor come adjustment phase place using the adjustment instrument built in terminal device except phase difference, for example, before having in a set of home theater
Audio amplifier 2, surround speaker 2, center-channel speaker 1 and woofer 1 are put, the sound wave that different audio amplifiers is sent passes to hearer
Ear can have phase difference, cause the abatement to sound, it is at this moment poor using terminal device adjustment phase place, such as can will be upper
It is 0 to state adjusting offset of the audio amplifier in hearer position, and sound is impacted due to phase difference be present so as to avoid.
Mode three, the distortion factor of audio frequency apparatus is adjusted to be below predetermined value.In one embodiment, predetermined value for example may be used
To be 0.5%, the distortion factor is adjusted using the adjustment instrument of terminal device, makes it below predetermined value, lost so as to reduce
Really spend to the influence of the sound sent from audio frequency apparatus.
In step S105, by calibration result and the corresponding preservation of the positional information of terminal device.
In one embodiment, the position of calibration result and terminal device after terminal device is calibrated to audio frequency apparatus
Confidence breath is preserved, so, when returning the position after user changes position, without re-starting calibration to the position,
Calibration result only need to be called.
In one embodiment, as shown in figure 3, after step S105, the above method can also include the steps of S106-
S108：
In step s 106, the current location information of terminal device is obtained.
In one embodiment, the current location information of terminal device for example can be the warp of terminal device position
Degree, latitude.
In step s 107, in the corresponding relation of calibration result and the positional information of terminal device, current location is searched
Calibration result corresponding to information.
After getting the positional information of terminal device in step s 106, in calibration result and the positional information of terminal device
Corresponding relation in, search calibration result corresponding to the positional information.
In step S108, when finding calibration result corresponding to current location information, current location information pair is utilized
The calibration result calibration audio answered.
In the step, when finding calibration result corresponding to current location information, then the positional information pair is directly invoked
The calibration result answered calibrates audio, when searching less than calibration result corresponding to current location information, then utilizes previous step
The method mentioned in S101-S105 is calibrated to audio frequency apparatus, and calibration result and the position correspondence are preserved.This method without
The position of calibrated mistake need to be recalibrated, directly invoke calibration result, saved amount of user effort.
The audio calibrating method that the embodiment of the present disclosure provides, the audio sent by terminal device collection audio frequency apparatus are believed
Number, and audio signal is analyzed, audio frequency apparatus is calibrated according to analysis result, without being set using external calibration
It is standby audio frequency apparatus to be calibrated, realize it is simple to audio frequency apparatus, efficiently calibrate, while by calibration result and position
Information is corresponding to be preserved, so as to when user is moved to the position, without re-starting calibration, only calibration result be called complete
Into calibration, amount of user effort has been saved.
Fig. 4 is a kind of block diagram of audio alignment device according to an exemplary embodiment, for terminal device.Such as figure
Shown in 4, the audio alignment device includes：
First acquisition module 41, it is configured as obtaining the positional information of terminal device；
Acquisition module 42, it is configured as gathering the audio signal that audio frequency apparatus is sent；
Analysis module 43, it is configured as analyzing audio signal；
First calibration module 44, it is configured as calibrating audio frequency apparatus according to analysis result；
Preserving module 45, it is configured as calibration result and the corresponding preservation of the positional information of terminal device.
In one embodiment, as shown in figure 5, analysis module 43 may include：
First processing submodule 431, for being handled using Digital Signal Processing audio signal；
Determination sub-module 432, for being determined according to result in the frequency response curve of audio frequency apparatus, phase, the distortion factor
At least one of.
In one embodiment, as shown in fig. 6, the first calibration module 44 may include：
Second processing submodule 441, it is configured as the frequency response curve smoothing processing of audio frequency apparatus.
First adjustment submodule 442, it is configured as adjusting the phase difference of audio frequency apparatus.
Second adjustment submodule 443, is configured as the distortion factor of audio frequency apparatus being adjusted to be below predetermined value.
In one embodiment, as shown in fig. 7, said apparatus may also include：
Second acquisition module 46, it is configured as obtaining the current location information of terminal device.
Searching modul 47, it is configured as in the corresponding relation of the positional information in calibration result and terminal device, searches and work as
Calibration result corresponding to the information of front position.
Second calibration module 48, when being configured as finding calibration result corresponding to current location information, using current
Calibration result corresponding to positional information calibrates audio.
In one embodiment, as shown in figure 8, said apparatus may also include：
Judge module 49, it is configured as judging whether terminal device is in mobile status；
Processing module 50, when being configured as terminal device and being in mobile status, the first acquisition module 41 is notified to obtain end
The positional information of end equipment.
The embodiment of the present disclosure also provides a kind of audio alignment device, for terminal device, including：
Processor；
For storing the memory of processor-executable instruction；
Wherein, the processor is configured as
Obtain the positional information of terminal device；
The audio signal that collection audio frequency apparatus is sent；
The audio signal is analyzed；
The audio frequency apparatus is calibrated according to analysis result；
By calibration result and the corresponding preservation of the positional information of the terminal device.
The audio alignment device that the embodiment of the present disclosure provides, the audio sent by terminal device collection audio frequency apparatus are believed
Number, and audio signal is analyzed, audio frequency apparatus is calibrated according to analysis result, without being set using external calibration
It is standby audio frequency apparatus to be calibrated, realize it is simple to audio frequency apparatus, efficiently calibrate, while by calibration result and position
Information is corresponding to be preserved, so as to when user is moved to the position, without re-starting calibration, only calibration result be called complete
Into calibration, amount of user effort has been saved.
On the device in above-described embodiment, wherein modules perform the concrete mode of operation in relevant this method
Embodiment in be described in detail, explanation will be not set forth in detail herein.
Fig. 9 is a kind of block diagram for audio alignment device 600 according to an exemplary embodiment, and the device is applicable
In terminal device.For example, device 1200 can be mobile phone, and computer, digital broadcast terminal, messaging devices, game
Console, tablet device, Medical Devices, body-building equipment, personal digital assistant etc..
Reference picture 9, device 600 can include following one or more assemblies：Processing component 602, memory 604, power supply
Component 606, multimedia groupware 608, audio-frequency assembly 610, the interface 612 of input/output (I/O), sensor cluster 614, and
Communication component 616.
The integrated operation of the usual control device 600 of processing component 602, such as communicated with display, call, data, phase
The operation that machine operates and record operation is associated.Treatment element 602 can refer to including one or more processors 620 to perform
Order, to complete all or part of step of above-mentioned method.In addition, processing component 602 can include one or more modules, just
Interaction between processing component 602 and other assemblies.For example, processing component 602 can include multi-media module, it is more to facilitate
Interaction between media component 608 and processing component 602.
Memory 604 is configured as storing various types of data to support the operation in equipment 600.These data are shown
Example includes the instruction of any application program or method for being operated on device 600, contact data, telephone book data, disappears
Breath, picture, video etc..Memory 604 can be by any kind of volatibility or non-volatile memory device or their group
Close and realize, as static RAM (SRAM), Electrically Erasable Read Only Memory (EEPROM) are erasable to compile
Journey read-only storage (EPROM), programmable read only memory (PROM), read-only storage (ROM), magnetic memory, flash
Device, disk or CD.
Electric power assembly 606 provides electric power for the various assemblies of device 600.Electric power assembly 606 can include power management system
System, one or more power supplys, and other components associated with generating, managing and distributing electric power for device 600.
Multimedia groupware 608 is included in the screen of one output interface of offer between described device 600 and user.One
In a little embodiments, screen can include liquid crystal display (LCD) and touch panel (TP).If screen includes touch panel, screen
Curtain may be implemented as touch-screen, to receive the input signal from user.Touch panel includes one or more touch sensings
Device is with the gesture on sensing touch, slip and touch panel.The touch sensor can not only sensing touch or sliding action
Border, but also detect and touched or the related duration and pressure of slide with described.In certain embodiments, more matchmakers
Body component 608 includes a front camera and/or rear camera.When equipment 600 is in operator scheme, such as screening-mode or
During video mode, front camera and/or rear camera can receive outside multi-medium data.Each front camera and
Rear camera can be a fixed optical lens system or have focusing and optical zoom capabilities.
Audio-frequency assembly 610 is configured as output and/or input audio signal.For example, audio-frequency assembly 610 includes a Mike
Wind (MIC), when device 600 is in operator scheme, during such as call model, logging mode and speech recognition mode, microphone by with
It is set to reception external audio signal.The audio signal received can be further stored in memory 604 or via communication set
Part 616 is sent.In certain embodiments, audio-frequency assembly 610 also includes a loudspeaker, for exports audio signal.
I/O interfaces 612 provide interface between processing component 602 and peripheral interface module, and above-mentioned peripheral interface module can
To be keyboard, click wheel, button etc..These buttons may include but be not limited to：Home button, volume button, start button and lock
Determine button.
Sensor cluster 614 includes one or more sensors, and the state for providing various aspects for device 600 is commented
Estimate.For example, sensor cluster 614 can detect opening/closed mode of equipment 600, and the relative positioning of component, for example, it is described
Component is the display and keypad of device 600, and sensor cluster 614 can be with 600 1 components of detection means 600 or device
Position change, the existence or non-existence that user contacts with device 600, the orientation of device 600 or acceleration/deceleration and device 600
Temperature change.Sensor cluster 614 can include proximity transducer, be configured to detect in no any physical contact
The presence of neighbouring object.Sensor cluster 614 can also include optical sensor, such as CMOS or ccd image sensor, for into
As being used in application.In certain embodiments, the sensor cluster 614 can also include acceleration transducer, gyro sensors
Device, Magnetic Sensor, pressure sensor or temperature sensor.
Communication component 616 is configured to facilitate the communication of wired or wireless way between device 600 and other equipment.Device
600 can access the wireless network based on communication standard, such as WiFi, 2G or 3G, or combinations thereof.In an exemplary implementation
In example, communication component 616 receives broadcast singal or broadcast related information from external broadcasting management system via broadcast channel.
In one exemplary embodiment, the communication component 616 also includes near-field communication (NFC) module, to promote junction service.Example
Such as, in NFC module radio frequency identification (RFID) technology can be based on, Infrared Data Association (IrDA) technology, ultra wide band (UWB) technology,
Bluetooth (BT) technology and other technologies are realized.
In the exemplary embodiment, device 600 can be believed by one or more application specific integrated circuits (ASIC), numeral
Number processor (DSP), digital signal processing appts (DSPD), PLD (PLD), field programmable gate array
(FPGA), controller, microcontroller, microprocessor or other electronic components are realized, for performing the above method.
In the exemplary embodiment, a kind of non-transitorycomputer readable storage medium including instructing, example are additionally provided
Such as include the memory 604 of instruction, above-mentioned instruction can be performed to complete the above method by the processor 820 of device 600.For example,
The non-transitorycomputer readable storage medium can be ROM, random access memory (RAM), CD-ROM, tape, floppy disk
With optical data storage devices etc..
A kind of non-transitorycomputer readable storage medium, when the instruction in the storage medium is by the processing of mobile terminal
When device performs so that mobile terminal is able to carry out a kind of audio calibrating method, and methods described includes：
Obtain the positional information of terminal device；
The audio signal that collection audio frequency apparatus is sent；
The audio signal is analyzed；
The audio frequency apparatus is calibrated according to analysis result；
By calibration result and the corresponding preservation of the positional information of the terminal device.
It is in one embodiment, described that the audio signal is analyzed, it may include：
The audio signal is handled using Digital Signal Processing；
According to result determine in the frequency response curve of the audio frequency apparatus, phase, the distortion factor at least one of.
In one embodiment, it is described that the audio frequency apparatus is calibrated according to analysis result, it may include following three kinds
At least one of mode：
By the frequency response curve smoothing processing of the audio frequency apparatus；
Adjust the phase difference of the audio frequency apparatus；
The distortion factor of the audio frequency apparatus is adjusted to be below predetermined value.
In one embodiment, it is described by calibration result and the positional information of the terminal device are corresponding preserve after, institute
The method of stating may also include：
Obtain the current location information of terminal device；
In the corresponding relation of the calibration result and the positional information of the terminal device, the present bit confidence is searched
Calibration result corresponding to breath；
When finding calibration result corresponding to the current location information, school corresponding to the current location information is utilized
Quasi- result calibrates audio.
In one embodiment, before the positional information for obtaining terminal device, methods described also includes：
Judge whether the terminal device is in mobile status；
When the terminal device is in mobile status, perform it is described obtain terminal device positional information the step of.
Those skilled in the art will readily occur to the disclosure its after considering specification and putting into practice disclosure disclosed herein
Its embodiment.The application is intended to any modification, purposes or the adaptations of the disclosure, these modifications, purposes or
Person's adaptations follow the general principle of the disclosure and including the undocumented common knowledges in the art of the disclosure
Or conventional techniques.Description and embodiments are considered only as exemplary, and the true scope of the disclosure and spirit are by following
Claim is pointed out.
It should be appreciated that the precision architecture that the disclosure is not limited to be described above and is shown in the drawings, and
And various modifications and changes can be being carried out without departing from the scope.The scope of the present disclosure is only limited by appended claim.
Claims (10)
- A kind of 1. audio calibrating method, for terminal device, it is characterised in that including：Obtain the positional information of terminal device；The audio signal that collection audio frequency apparatus is sent；The audio signal is analyzed；The audio frequency apparatus is calibrated according to analysis result；By calibration result and the corresponding preservation of the positional information of the terminal device；Obtain the current location information of terminal device；In the corresponding relation of the calibration result and the positional information of the terminal device, the current location information pair is searched The calibration result answered；When finding calibration result corresponding to the current location information, tied using being calibrated corresponding to the current location information Fruit calibrates audio.
- 2. the method as described in claim 1, it is characterised in that it is described that the audio signal is analyzed, including：The audio signal is handled using Digital Signal Processing；According to result determine in the frequency response curve of the audio frequency apparatus, phase, the distortion factor at least one of.
- 3. method as claimed in claim 2, it is characterised in that described that school is carried out to the audio frequency apparatus according to analysis result At least one of standard, including following three kinds of modes：By the frequency response curve smoothing processing of the audio frequency apparatus；Adjust the phase difference of the audio frequency apparatus；The distortion factor of the audio frequency apparatus is adjusted to be below predetermined value.
- 4. the method as described in claim 1, it is characterised in that before the positional information for obtaining terminal device, the side Method also includes：Judge whether the terminal device is in mobile status；When the terminal device is in mobile status, perform it is described obtain terminal device positional information the step of.
- A kind of 5. audio alignment device, for terminal device, it is characterised in that including：First acquisition module, for obtaining the positional information of terminal device；Acquisition module, the audio signal sent for gathering audio frequency apparatus；Analysis module, for analyzing the audio signal；First calibration module, for being calibrated according to analysis result to the audio frequency apparatus；Preserving module, preserved for calibration result and the positional information of the terminal device to be corresponded to；Described device also includes：Second acquisition module, for obtaining the current location information of terminal device；Searching modul, in the corresponding relation of the calibration result and the positional information of the terminal device, described in lookup Calibration result corresponding to current location information；Second calibration module, for when finding calibration result corresponding to the current location information, utilizing the present bit Calibration result calibration audio corresponding to confidence breath.
- 6. device as claimed in claim 5, it is characterised in that the analysis module includes：First processing submodule, for being handled using Digital Signal Processing the audio signal；Determination sub-module, for being determined according to result in the frequency response curve of the audio frequency apparatus, phase, the distortion factor at least One.
- 7. device as claimed in claim 5, it is characterised in that the calibration module includes：Second processing submodule, for by the frequency response curve smoothing processing of the audio frequency apparatus；First adjustment submodule, for adjusting the phase difference of the audio frequency apparatus；Second adjustment submodule, for the distortion factor of the audio frequency apparatus to be adjusted to be below into predetermined value.
- 8. device as claimed in claim 5, it is characterised in that described device also includes：Judge module, for judging whether the terminal device is in mobile status；Processing module, for when the terminal device is in mobile status, notifying first acquisition module obtains terminal to set Standby positional information.
- A kind of 9. audio alignment device, it is characterised in that including：Processor；For storing the memory of processor-executable instruction；Wherein, the processor is configured asObtain the positional information of terminal device；The audio signal that collection audio frequency apparatus is sent；The audio signal is analyzed；The audio frequency apparatus is calibrated according to analysis result；By calibration result and the corresponding preservation of the positional information of the terminal device；Obtain the current location information of terminal device；In the corresponding relation of the calibration result and the positional information of the terminal device, the current location information pair is searched The calibration result answered；When finding calibration result corresponding to the current location information, tied using being calibrated corresponding to the current location information Fruit calibrates audio.
- 10. a kind of computer-readable recording medium, is stored thereon with computer instruction, it is characterised in that the instruction is by processor The step of the claims 1-4 methods describeds are realized during execution.
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