CN104469648A - Audio frequency calibration method and device - Google Patents
Audio frequency calibration method and device Download PDFInfo
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Abstract
The invention discloses an audio frequency calibration method and device which are used for terminal equipment and used for easily and rapidly calibrating audio frequency. The method includes the steps that position information of the terminal equipment is acquired; audio frequency signals sent by the audio frequency equipment are acquired; the audio frequency signals are analyzed; the audio frequency equipment is calibrated according to an analysis result; a calibration result and the position information of the terminal equipment are saved correspondingly. Due to the technical scheme, the audio frequency equipment can be calibrated without external calibration equipment and can be calibrated easily and rapidly, meanwhile, the calibration result and the position information are saved correspondingly, and therefore when a user moves to the position, calibration does not need to be performed again, calibration work can be completed just by calling the calibration result and the workloads of the user are reduced.
Description
Technical field
The disclosure relates to Audiotechnica field, particularly relates to audio calibrating method and device.
Background technology
In correlation technique, audio frequency apparatus affects by acoustic enviroment, factor such as equipment pendulum position, hearer position etc., therefore, generally needs to carry out sound calibration to these equipment.Audio calibrating method mainly contains: adjust the frequency response curve of audio frequency apparatus; Equipment pendulum position, room-sized and metope material etc. in adjustment room.Such as, the home theater that user buys, its sound calibration function major part has been come by power amplifier, by using outer microphone to be connected to power amplifier, uses the sound calibration function of power amplifier to calibrate sound.
Summary of the invention
For overcoming Problems existing in correlation technique, disclosure embodiment provides audio calibrating method and device, in order to simply, quickly for audio frequency apparatus is calibrated.
According to the first aspect of disclosure embodiment, provide a kind of audio calibrating method, for terminal equipment, comprising:
Obtain the positional information of terminal equipment;
Gather the audio signal that audio frequency apparatus sends;
Described audio signal is analyzed;
According to analysis result, described audio frequency apparatus is calibrated;
The positional information correspondence of calibration result and described terminal equipment is preserved.
In one embodiment, described described audio signal to be analyzed, can comprise:
Digital Signal Processing is utilized to process described audio signal;
At least one item in the frequency response curve of described audio frequency apparatus, phase place, the distortion factor is determined according to result.
In one embodiment, describedly according to analysis result, described audio frequency apparatus to be calibrated, at least one item of following three kinds of modes can be comprised:
By the frequency response curve smoothing processing of described audio frequency apparatus;
Adjust the phase difference of described audio frequency apparatus;
The distortion factor of described audio frequency apparatus is adjusted to lower than predetermined value.
In one embodiment, described the positional information of calibration result and described terminal equipment correspondence is preserved after, described method also can comprise:
Obtain the current location information of terminal equipment;
In the corresponding relation of the positional information of described calibration result and described terminal equipment, search the calibration result that described current location information is corresponding;
When finding calibration result corresponding to described current location information, the calibration result calibration audio frequency utilizing described current location information corresponding.
In one embodiment, before the positional information of described acquisition terminal equipment, described method also comprises:
Judge whether described terminal equipment is in mobile status;
When described terminal equipment is in mobile status, perform the step of the positional information of described acquisition terminal equipment.
According to the second aspect of disclosure embodiment, a kind of audio alignment device is provided, for terminal equipment, comprises:
First acquisition module, for obtaining the positional information of terminal equipment;
Acquisition module, for gathering the audio signal that audio frequency apparatus sends;
Analysis module, for analyzing described audio signal;
First calibration module, for calibrating described audio frequency apparatus according to analysis result;
Preserve module, for the positional information of calibration result and described terminal equipment correspondence being preserved.
In one embodiment, described analysis module can comprise:
First process submodule, processes described audio signal for utilizing Digital Signal Processing;
Determine submodule, for determining at least one item in the frequency response curve of described audio frequency apparatus, phase place, the distortion factor according to result.
In one embodiment, described calibration module can comprise:
Second process submodule, for the frequency response curve smoothing processing by described audio frequency apparatus;
First adjustment submodule, for adjusting the phase difference of described audio frequency apparatus;
Second adjustment submodule, for being adjusted to the distortion factor of described audio frequency apparatus lower than predetermined value.
In one embodiment, described device also can comprise:
Second acquisition module, for obtaining the current location information of terminal equipment;
Search module, in the corresponding relation of the positional information of described calibration result and described terminal equipment, search the calibration result that described current location information is corresponding;
Second calibration module, for when finding calibration result corresponding to described current location information, the calibration result calibration audio frequency utilizing described current location information corresponding.
In one embodiment, described device also comprises:
Judge module, for judging whether described terminal equipment is in mobile status;
Processing module, for when described terminal equipment is in mobile status, notifies that described first acquisition module obtains the positional information of terminal equipment.
According to the third aspect of disclosure embodiment, a kind of audio alignment device is provided, for terminal equipment, comprises:
Processor;
For the memory of storage of processor executable instruction;
Wherein, described processor is configured to
Obtain the positional information of terminal equipment;
Gather the audio signal that audio frequency apparatus sends;
Described audio signal is analyzed;
According to analysis result, described audio frequency apparatus is calibrated;
The positional information correspondence of calibration result and described terminal equipment is preserved.
The technical scheme that embodiment of the present disclosure provides can comprise following beneficial effect:
The technical scheme that disclosure embodiment provides, by the audio signal that terminal equipment collection audio frequency apparatus sends, and audio signal is analyzed, according to analysis result, audio frequency apparatus is calibrated, thus can calibrate audio frequency apparatus without using external calibrator (-ter) unit, achieve and audio frequency apparatus simply, is efficiently calibrated, preserve corresponding with positional information for calibration result simultaneously, thus when user moves to this position, without the need to re-starting calibration, only need call calibration result can complete calibration operation, has saved amount of user effort.
Should be understood that, it is only exemplary and explanatory that above general description and details hereinafter describe, and can not limit the disclosure.
Accompanying drawing explanation
Accompanying drawing to be herein merged in specification and to form the part of this specification, shows and meets embodiment of the present disclosure, and is used from specification one and explains principle of the present disclosure.
Fig. 1 is the flow chart of a kind of audio calibrating method according to an exemplary embodiment.
Fig. 2 is the flow chart of the another kind of 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 the block diagram of a kind of audio alignment device according to an exemplary embodiment.
Fig. 5 is the block diagram of the another kind of audio alignment device according to an exemplary embodiment.
Fig. 6 is the block diagram of another the audio alignment device according to an exemplary embodiment.
Fig. 7 is the block diagram of another the audio alignment device according to an exemplary embodiment.
Fig. 8 is the block diagram of another the audio alignment device according to an exemplary embodiment.
Fig. 9 is a kind of block diagram being applicable to audio alignment device according to an exemplary embodiment.
Embodiment
Here will be described exemplary embodiment in detail, its sample table shows in the accompanying drawings.When description below relates to accompanying drawing, unless otherwise indicated, the same numbers in different accompanying drawing represents same or analogous key element.Execution mode described in following exemplary embodiment does not represent all execution modes consistent with the disclosure.On the contrary, they only with as in appended claims describe in detail, the example of apparatus and method that aspects more of the present disclosure are consistent.
Fig. 1 is the flow chart of a kind of audio calibrating method according to an exemplary embodiment, and as shown in Figure 1, this audio calibrating method is used for terminal equipment, and terminal equipment can be mobile phone, apparatus such as computer.The method comprises the following steps S101-S105:
In step S101, obtain the positional information of terminal equipment.
In this step, terminal equipment can be such as mobile phone, if user wants to carry out audio alignment to a certain position, user can move to this position by carrying mobile phone, terminal equipment obtains the positional information of this position, is convenient to user and calibration result and positional information correspondence is preserved.
In one embodiment, before performing step S101, first can judge whether terminal equipment is in mobile status; When determining terminal equipment and being in mobile status, then continue to perform step S101-S103.Said method, being according to the motion feature of user when utilizing terminal equipment to calibrate audio frequency, setting an executive condition to said method; Due in the above-mentioned methods, user is when utilizing terminal equipment to calibrate audio frequency, meeting carried terminal equipment moving is to suitable position, to calibrate the audio frequency of each position, therefore, said method is when determining terminal equipment and being in mobile status, just start to perform step S101-S103, the audio alignment flow process that said method makes user not need Non-follow control terminal equipment to start disclosure embodiment to provide, the more intelligent and automation of calibration process, improves user's experience.
In step s 102, the audio signal that audio frequency apparatus sends is gathered.
In one embodiment, terminal equipment generally all built-in microphone, the audio signal that the built-in microphone of terminal equipment can be utilized to gather audio frequency apparatus send, thus without the need to connecting outer microphone again to carry out audio alignment, very simple and convenient.The perceived audio frequency range of people's ear is 20-20KHZ, the audio signal that audio frequency apparatus sends can be such as swept-frequency signal, swept-frequency signal refers to that signal is in a frequency range (such as 20-20KHZ), frequency (or from low to high) continuous print change from high to low.Swept-frequency signal can 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 loud speaker of audio frequency apparatus sends specific audio signal, the microphone of terminal equipment gathers this signal, after microphone collects this audio signal, the built-in algorithm of terminal equipment can be utilized to analyze audio signal, determine the parameters such as the frequency response curve of audio frequency apparatus, phase difference and the distortion factor.
In one embodiment, as shown in Figure 2, step S103 can be embodied as following steps S201-S202:
In step s 201, Digital Signal Processing is utilized to process audio signal.
In one embodiment, utilize Digital Signal Processing to sample to audio signal, and sampled result is analyzed and researched.
In step S202, according at least one item in the frequency response curve of result determination audio frequency apparatus, phase place, the distortion factor.
In one embodiment, the factor affecting acoustic characteristic mainly contains the frequency response curve of audio frequency apparatus, phase place, the distortion factor etc.Therefore, carry out calibrating the parameter such as frequency response curve, phase place, the distortion factor that first should record audio frequency apparatus to audio frequency apparatus.
In step S104, according to analysis result, audio frequency apparatus is calibrated.
In one embodiment, draw out the frequency response curve of audio frequency apparatus according to the audio signal collected such as swept-frequency signal, and determine the parameter such as phase difference, the distortion factor of audio frequency apparatus, these parameters are calibrated.
In one embodiment, step S104 can be embodied as at least one item of following three kinds of modes:
Mode one, by the frequency response curve smoothing processing of audio frequency apparatus.Frequency response be with constant voltage export audio signal be connected with system time, the phenomenon increasing or decay, phase place changes with frequency is there is in the acoustic pressure that audio amplifier produces with the change of frequency, the frequency characteristic of audio frequency apparatus discloses the radianting capacity of audio frequency apparatus to the sound wave of different frequency, the frequency response curve of audio frequency apparatus is more smooth, performance is better, therefore the built-in adjustment instrument of terminal equipment can be utilized to adjust frequency response curve, make it as far as possible smooth, thus optimize audio frequency apparatus self performance.
Mode two, the phase difference of adjustment audio frequency apparatus.In one embodiment, hearer is in certain position, can phase difference be there is in the sound that different audio frequency apparatuses imports hearer's ear into, at this moment, the mode of the position of adjustment audio frequency apparatus can be adopted to eliminate phase difference, the adjustment instrument that terminal equipment also can be utilized built-in is to adjust phase difference, such as, preposition audio amplifier 2 is had in a set of home theater, surround speaker 2, center-channel speaker 1 and woofer 1, can phase difference be there is in the ear that the sound wave that different audio amplifiers sends passes to hearer, cause the abatement to sound, at this moment terminal equipment can be utilized to adjust phase difference, can be such as 0 by the adjusting offset of above-mentioned audio amplifier in hearer position, thus avoid and owing to there is phase difference, sound is impacted.
Mode three, is adjusted to the distortion factor of audio frequency apparatus lower than predetermined value.In one embodiment, predetermined value can be such as 0.5%, utilizes the adjustment instrument of terminal equipment to adjust the distortion factor, makes it lower than predetermined value, thus reduce the impact of the distortion factor on the sound sent from audio frequency apparatus.
In step S105, the positional information correspondence of calibration result and terminal equipment is preserved.
In one embodiment, calibration result after being calibrated audio frequency apparatus by terminal equipment and the positional information of terminal equipment are preserved, like this, when user change to return this position behind position time, without the need to re-starting calibration to this position, only calibration result need be called.
In one embodiment, as shown in Figure 3, after step S105, said method also can comprise the following steps S106-S108:
In step s 106, the current location information of terminal equipment is obtained.
In one embodiment, the current location information of terminal equipment can be such as longitude, the latitude of terminal equipment position.
In step s 107, in the corresponding relation of the positional information of calibration result and terminal equipment, the calibration result that current location information is corresponding is searched.
After getting the positional information of terminal equipment in step s 106, in the corresponding relation of the positional information of calibration result and terminal equipment, search the calibration result that this positional information is corresponding.
In step S108, when finding calibration result corresponding to current location information, the calibration result calibration audio frequency utilizing current location information corresponding.
In this step, when finding calibration result corresponding to current location information, then directly call calibration result corresponding to this positional information to calibrate audio frequency, when searching the calibration result less than current location information is corresponding, then utilize the method mentioned in previous step S101-S105 to calibrate audio frequency apparatus, and preserve corresponding with this position for calibration result.The method, without the need to recalibrating the position of having calibrated, directly calls calibration result, has saved amount of user effort.
The audio calibrating method that disclosure embodiment provides, by the audio signal that terminal equipment collection audio frequency apparatus sends, and audio signal is analyzed, according to analysis result, audio frequency apparatus is calibrated, thus can calibrate audio frequency apparatus without using external calibrator (-ter) unit, achieve and audio frequency apparatus simply, is efficiently calibrated, preserve corresponding with positional information for calibration result simultaneously, thus when user moves to this position, without the need to re-starting calibration, only need call calibration result can complete calibration operation, has saved amount of user effort.
Fig. 4 is the block diagram of a kind of audio alignment device according to an exemplary embodiment, for terminal equipment.As shown in Figure 4, this audio alignment device comprises:
First acquisition module 41, is configured to the positional information obtaining terminal equipment;
Acquisition module 42, is configured to the audio signal that collection audio frequency apparatus sends;
Analysis module 43, is configured to analyze audio signal;
First calibration module 44, is configured to calibrate audio frequency apparatus according to analysis result;
Preserve module 45, be configured to the positional information correspondence of calibration result and terminal equipment to preserve.
In one embodiment, as shown in Figure 5, analysis module 43 can comprise:
First process submodule 431, processes audio signal for utilizing Digital Signal Processing;
Determine submodule 432, at least one item in the frequency response curve according to result determination audio frequency apparatus, phase place, the distortion factor.
In one embodiment, as shown in Figure 6, the first calibration module 44 can comprise:
Second process submodule 441, is configured to the frequency response curve smoothing processing of audio frequency apparatus.
First adjustment submodule 442, is configured to the phase difference adjusting audio frequency apparatus.
Second adjustment submodule 443, is configured to the distortion factor of audio frequency apparatus to be adjusted to lower than predetermined value.
In one embodiment, as shown in Figure 7, said apparatus also can comprise:
Second acquisition module 46, is configured to the current location information obtaining terminal equipment.
Search module 47, be configured to, in the corresponding relation of the positional information of calibration result and terminal equipment, search the calibration result that current location information is corresponding.
Second calibration module 48, is configured to when finding calibration result corresponding to current location information, the calibration result calibration audio frequency utilizing current location information corresponding.
In one embodiment, as shown in Figure 8, said apparatus also can comprise:
Judge module 49, is configured to judge whether terminal equipment is in mobile status;
Processing module 50, is configured to when terminal equipment is in mobile status, notifies that the first acquisition module 41 obtains the positional information of terminal equipment.
Disclosure embodiment also provides a kind of audio alignment device, for terminal equipment, comprising:
Processor;
For the memory of storage of processor executable instruction;
Wherein, described processor is configured to
Obtain the positional information of terminal equipment;
Gather the audio signal that audio frequency apparatus sends;
Described audio signal is analyzed;
According to analysis result, described audio frequency apparatus is calibrated;
The positional information correspondence of calibration result and described terminal equipment is preserved.
The audio alignment device that disclosure embodiment provides, by the audio signal that terminal equipment collection audio frequency apparatus sends, and audio signal is analyzed, according to analysis result, audio frequency apparatus is calibrated, thus can calibrate audio frequency apparatus without using external calibrator (-ter) unit, achieve and audio frequency apparatus simply, is efficiently calibrated, preserve corresponding with positional information for calibration result simultaneously, thus when user moves to this position, without the need to re-starting calibration, only need call calibration result can complete calibration operation, has saved amount of user effort.
About the device in above-described embodiment, wherein the concrete mode of modules executable operations has been described in detail in about the embodiment of the method, will not elaborate explanation herein.
Fig. 9 is a kind of block diagram for audio alignment device 600 according to an exemplary embodiment, and this device is applicable to terminal equipment.Such as, device 1200 can be mobile phone, computer, digital broadcast terminal, messaging devices, game console, flat-panel devices, Medical Devices, body-building equipment, personal digital assistant etc.
With reference to Fig. 9, device 600 can comprise following one or more assembly: processing components 602, memory 604, power supply module 606, multimedia groupware 608, audio-frequency assembly 610, the interface 612 of I/O (I/O), sensor cluster 614, and communications component 616.
The integrated operation of the usual control device 600 of processing components 602, such as with display, call, data communication, camera operation and record operate the operation be associated.Treatment element 602 can comprise one or more processor 620 to perform instruction, to complete all or part of step of above-mentioned method.In addition, processing components 602 can comprise one or more module, and what be convenient between processing components 602 and other assemblies is mutual.Such as, processing unit 602 can comprise multi-media module, mutual with what facilitate between multimedia groupware 608 and processing components 602.
Memory 604 is configured to store various types of data to be supported in the operation of equipment 600.The example of these data comprises for any application program of operation on device 600 or the instruction of method, contact data, telephone book data, message, picture, video etc.Memory 604 can be realized by the volatibility of any type or non-volatile memory device or their combination, as static RAM (SRAM), Electrically Erasable Read Only Memory (EEPROM), Erasable Programmable Read Only Memory EPROM (EPROM), programmable read only memory (PROM), read-only memory (ROM), magnetic memory, flash memory, disk or CD.
The various assemblies that electric power assembly 606 is device 600 provide electric power.Electric power assembly 606 can comprise power-supply management system, one or more power supply, and other and the assembly generating, manage and distribute electric power for device 600 and be associated.
Multimedia groupware 608 is included in the screen providing an output interface between described device 600 and user.In certain embodiments, screen can comprise liquid crystal display (LCD) and touch panel (TP).If screen comprises touch panel, screen may be implemented as touch-screen, to receive the input signal from user.Touch panel comprises one or more touch sensor with the gesture on sensing touch, slip and touch panel.Described touch sensor can the border of not only sensing touch or sliding action, but also detects the duration relevant to described touch or slide and pressure.In certain embodiments, multimedia groupware 608 comprises a front-facing camera and/or post-positioned pick-up head.When equipment 600 is in operator scheme, during as screening-mode or video mode, front-facing camera and/or post-positioned pick-up head can receive outside multi-medium data.Each front-facing camera and post-positioned pick-up head can be fixing optical lens systems or have focal length and optical zoom ability.
Audio-frequency assembly 610 is configured to export and/or input audio signal.Such as, audio-frequency assembly 610 comprises a microphone (MIC), and when device 600 is in operator scheme, during as call model, logging mode and speech recognition mode, microphone is configured to receive external audio signal.The audio signal received can be stored in memory 604 further or be sent via communications component 616.In certain embodiments, audio-frequency assembly 610 also comprises a loud speaker, for output audio signal.
I/O interface 612 is for providing interface between processing components 602 and peripheral interface module, and above-mentioned peripheral interface module can be keyboard, some striking wheel, button etc.These buttons can include but not limited to: home button, volume button, start button and locking press button.
Sensor cluster 614 comprises one or more transducer, for providing the state estimation of various aspects for device 600.Such as, sensor cluster 614 can detect the opening/closing state of equipment 600, the relative positioning of assembly, such as described assembly is display and the keypad of device 600, the position of all right checkout gear 600 of sensor cluster 614 or device 600 1 assemblies changes, the presence or absence that user contacts with device 600, the variations in temperature of device 600 orientation or acceleration/deceleration and device 600.Sensor cluster 614 can comprise proximity transducer, be configured to without any physical contact time detect near the existence of object.Sensor cluster 614 can also comprise optical sensor, as CMOS or ccd image sensor, for using in imaging applications.In certain embodiments, this sensor cluster 614 can also comprise acceleration transducer, gyro sensor, Magnetic Sensor, pressure sensor or temperature sensor.
Communications component 616 is configured to the communication being convenient to wired or wireless mode between device 600 and other equipment.Device 600 can access the wireless network based on communication standard, as WiFi, 2G or 3G, or their combination.In one exemplary embodiment, communication component 616 receives from the broadcast singal of external broadcasting management system or broadcast related information via broadcast channel.In one exemplary embodiment, described communication component 616 also comprises near-field communication (NFC) module, to promote junction service.Such as, can based on radio-frequency (RF) identification (RFID) technology in NFC module, Infrared Data Association (IrDA) technology, ultra broadband (UWB) technology, bluetooth (BT) technology and other technologies realize.
In the exemplary embodiment, device 600 can be realized, for performing said method by one or more application specific integrated circuit (ASIC), digital signal processor (DSP), digital signal processing appts (DSPD), programmable logic device (PLD), field programmable gate array (FPGA), controller, microcontroller, microprocessor or other electronic components.
In the exemplary embodiment, additionally provide a kind of non-transitory computer-readable recording medium comprising instruction, such as, comprise the memory 604 of instruction, above-mentioned instruction can perform said method by the processor 820 of device 600.Such as, described non-transitory computer-readable recording medium can be ROM, random access memory (RAM), CD-ROM, tape, floppy disk and optical data storage devices etc.
A kind of non-transitory computer-readable recording medium, when the instruction in described storage medium is performed by the processor of mobile terminal, make mobile terminal can perform a kind of audio calibrating method, described method comprises:
Obtain the positional information of terminal equipment;
Gather the audio signal that audio frequency apparatus sends;
Described audio signal is analyzed;
According to analysis result, described audio frequency apparatus is calibrated;
The positional information correspondence of calibration result and described terminal equipment is preserved.
In one embodiment, described described audio signal to be analyzed, can comprise:
Digital Signal Processing is utilized to process described audio signal;
At least one item in the frequency response curve of described audio frequency apparatus, phase place, the distortion factor is determined according to result.
In one embodiment, describedly according to analysis result, described audio frequency apparatus to be calibrated, at least one item of following three kinds of modes can be comprised:
By the frequency response curve smoothing processing of described audio frequency apparatus;
Adjust the phase difference of described audio frequency apparatus;
The distortion factor of described audio frequency apparatus is adjusted to lower than predetermined value.
In one embodiment, described the positional information of calibration result and described terminal equipment correspondence is preserved after, described method also can comprise:
Obtain the current location information of terminal equipment;
In the corresponding relation of the positional information of described calibration result and described terminal equipment, search the calibration result that described current location information is corresponding;
When finding calibration result corresponding to described current location information, the calibration result calibration audio frequency utilizing described current location information corresponding.
In one embodiment, before the positional information of described acquisition terminal equipment, described method also comprises:
Judge whether described terminal equipment is in mobile status;
When described terminal equipment is in mobile status, perform the step of the positional information of described acquisition terminal equipment.
Those skilled in the art, at consideration specification and after putting into practice disclosed herein disclosing, will easily expect other embodiment of the present disclosure.The application is intended to contain any modification of the present disclosure, purposes or adaptations, and these modification, purposes or adaptations are followed general principle of the present disclosure and comprised the undocumented common practise in the art of the disclosure or conventional techniques means.Specification and embodiment are only regarded as exemplary, and true scope of the present disclosure and spirit are pointed out by claim below.
Should be understood that, the disclosure is not limited to precision architecture described above and illustrated in the accompanying drawings, and can carry out various amendment and change not departing from its scope.The scope of the present disclosure is only limited by appended claim.
Claims (11)
1. an audio calibrating method, for terminal equipment, is characterized in that, comprising:
Obtain the positional information of terminal equipment;
Gather the audio signal that audio frequency apparatus sends;
Described audio signal is analyzed;
According to analysis result, described audio frequency apparatus is calibrated;
The positional information correspondence of calibration result and described terminal equipment is preserved.
2. the method for claim 1, is characterized in that, describedly analyzes described audio signal, comprising:
Digital Signal Processing is utilized to process described audio signal;
At least one item in the frequency response curve of described audio frequency apparatus, phase place, the distortion factor is determined according to result.
3. method as claimed in claim 2, is characterized in that, describedly calibrates described audio frequency apparatus according to analysis result, comprises at least one item of following three kinds of modes:
By the frequency response curve smoothing processing of described audio frequency apparatus;
Adjust the phase difference of described audio frequency apparatus;
The distortion factor of described audio frequency apparatus is adjusted to lower than predetermined value.
4. the method according to any one of claim 1-3, is characterized in that, described the positional information of calibration result and described terminal equipment correspondence is preserved after, described method also comprises:
Obtain the current location information of terminal equipment;
In the corresponding relation of the positional information of described calibration result and described terminal equipment, search the calibration result that described current location information is corresponding;
When finding calibration result corresponding to described current location information, the calibration result calibration audio frequency utilizing described current location information corresponding.
5. the method for claim 1, is characterized in that, before the positional information of described acquisition terminal equipment, described method also comprises:
Judge whether described terminal equipment is in mobile status;
When described terminal equipment is in mobile status, perform the step of the positional information of described acquisition terminal equipment.
6. an audio alignment device, for terminal equipment, is characterized in that, comprising:
First acquisition module, for obtaining the positional information of terminal equipment;
Acquisition module, for gathering the audio signal that audio frequency apparatus sends;
Analysis module, for analyzing described audio signal;
First calibration module, for calibrating described audio frequency apparatus according to analysis result;
Preserve module, for the positional information of calibration result and described terminal equipment correspondence being preserved.
7. device as claimed in claim 6, it is characterized in that, described analysis module comprises:
First process submodule, processes described audio signal for utilizing Digital Signal Processing;
Determine submodule, for determining at least one item in the frequency response curve of described audio frequency apparatus, phase place, the distortion factor according to result.
8. device as claimed in claim 6, it is characterized in that, described calibration module comprises:
Second process submodule, for the frequency response curve smoothing processing by described audio frequency apparatus;
First adjustment submodule, for adjusting the phase difference of described audio frequency apparatus;
Second adjustment submodule, for being adjusted to the distortion factor of described audio frequency apparatus lower than predetermined value.
9. the device as described in any one of claim 6-8, is characterized in that, described device also comprises:
Second acquisition module, for obtaining the current location information of terminal equipment;
Search module, in the corresponding relation of the positional information of described calibration result and described terminal equipment, search the calibration result that described current location information is corresponding;
Second calibration module, for when finding calibration result corresponding to described current location information, the calibration result calibration audio frequency utilizing described current location information corresponding.
10. device as claimed in claim 6, it is characterized in that, described device also comprises:
Judge module, for judging whether described terminal equipment is in mobile status;
Processing module, for when described terminal equipment is in mobile status, notifies that described first acquisition module obtains the positional information of terminal equipment.
11. 1 kinds of audio alignment devices, is characterized in that, comprising:
Processor;
For the memory of storage of processor executable instruction;
Wherein, described processor is configured to
Obtain the positional information of terminal equipment;
Gather the audio signal that audio frequency apparatus sends;
Described audio signal is analyzed;
According to analysis result, described audio frequency apparatus is calibrated;
The positional information correspondence of calibration result and described terminal equipment is preserved.
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| CN115923699A (en) * | 2022-12-30 | 2023-04-07 | 镁佳(北京)科技有限公司 | Vehicle sound effect adjusting method and device, storage medium and electronic equipment |
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| CN105101013A (en) * | 2015-06-30 | 2015-11-25 | 小米科技有限责任公司 | Method and device for playing voice signals |
| CN106291171A (en) * | 2016-07-28 | 2017-01-04 | 青岛海信智能商用系统有限公司 | Buzzer volume calibration steps, device and system and frequency sound test frock |
| CN107197402A (en) * | 2017-06-16 | 2017-09-22 | 苏州美声电子有限公司 | Baffle Box of Bluetooth and its control system |
| CN114390426A (en) * | 2020-10-22 | 2022-04-22 | 华为技术有限公司 | Volume calibration method and device |
| CN115923699A (en) * | 2022-12-30 | 2023-04-07 | 镁佳(北京)科技有限公司 | Vehicle sound effect adjusting method and device, storage medium and electronic equipment |
| CN115923699B (en) * | 2022-12-30 | 2023-08-11 | 镁佳(北京)科技有限公司 | Vehicle sound effect adjusting method and device, storage medium and electronic equipment |
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| CN104469648B (en) | 2018-02-02 |
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