CN106488376A - The method and apparatus that a kind of audio components to mobile terminal carry out fault diagnosis - Google Patents
The method and apparatus that a kind of audio components to mobile terminal carry out fault diagnosis Download PDFInfo
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- CN106488376A CN106488376A CN201610971217.6A CN201610971217A CN106488376A CN 106488376 A CN106488376 A CN 106488376A CN 201610971217 A CN201610971217 A CN 201610971217A CN 106488376 A CN106488376 A CN 106488376A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R29/00—Monitoring arrangements; Testing arrangements
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Abstract
The invention discloses the method and apparatus that a kind of audio components to mobile terminal carry out fault diagnosis, this device includes：Recording acquisition module, for play in anechoic chamber when the speaker of mobile terminal setpoint frequency scope frequency sweep audio frequency when, built-in microphone using mobile terminal is recorded to frequency sweep audio frequency, to obtain the first recording, and using the External microphone of mobile terminal, frequency sweep audio frequency is recorded, to obtain the second recording；Recording modular converter, for the first recording is converted to first frequency response curve, and the second recording is converted to second frequency response curve；Fault diagnosis module, for being contrasted first frequency response curve and second frequency response curve respectively with the standard curve setting, and carries out fault diagnosis based on comparing result to the speaker in mobile terminal and mike.The present invention improves the efficiency of audio frequency accident analysis after sale.
Description
Technical field
The present invention relates to technical field of audio detection, more particularly, to a kind of audio components to mobile terminal carry out fault and examine
Disconnected method and apparatus.
Background technology
In mobile terminal, the audio components of fault can affect the audio frequency experience of user, if the speaker of mobile terminal is sent out
Raw fault, then can lead to the both poor sound quality of hands-free reception side, and leads to play the both poor sound quality of music.If the wheat of mobile terminal
Gram wind breaks down, then can lead to send words effect to be deteriorated.Mainly pass through RS audio frequency Automatic analyzer at this stage to mobile terminal
In audio components carry out the test of audio performance, with judge the speaker in described mobile terminal and mike whether there is therefore
Barrier.Also by described RS audio frequency Automatic analyzer, the speaker of fault and mike can be carried out by channel parameters adjustment and repair
The speaker of fault and mike.But, described RS audio frequency Automatic analyzer bulky and generally only exist in movement
In the production plant of terminal, it is unfavorable for that engineer carries out quick audio frequency fault diagnosis to mobile terminal after sale.
Content of the invention
Present invention is primarily targeted at propose a kind of audio components to mobile terminal carry out fault diagnosis method and
Device, improves the efficiency of audio frequency accident analysis after sale.
For achieving the above object, a kind of audio components to mobile terminal that the present invention provides carry out the dress of fault diagnosis
Put, including：
Recording acquisition module, plays sweeping of setpoint frequency scope for the speaker when described mobile terminal in anechoic chamber
During frequency domain audio, the built-in microphone using described mobile terminal is recorded to described frequency sweep audio frequency, to obtain the first recording, and
External microphone using described mobile terminal is recorded to described frequency sweep audio frequency, to obtain the second recording；
Recording modular converter, for the described first recording is converted to first frequency response curve, and described second is recorded
Sound is converted to second frequency response curve；
Fault diagnosis module, for by described first frequency response curve and described second frequency response curve respectively with set
Fixed standard curve is contrasted, and carries out fault based on comparing result to the speaker in described mobile terminal and mike and examine
Disconnected.
Further, described anechoic chamber is the confined space that described mobile terminal is constituted with acoustic element, and described movement
The sound hole that enters of the sender of the speaker of terminal and mike is respectively positioned in described confined space；
The External microphone of described mobile terminal is the mike of described acoustic element, and the mike of described acoustic element passes through indigo plant
The earpiece holes of tooth or described mobile terminal are connected with described mobile terminal.
Further, described recording modular converter, specifically for：
Described first is recorded discrete is a PCM (Pulse Code Modulation, pulse code modulation) signal,
And by FFT (Fast Fourier Transformation, fast Fourier transform) algorithm, described first PCM signal is changed
For first frequency response curve；
Described second is recorded discrete is the second PCM signal, and is converted to described second PCM signal by fft algorithm
Second frequency response curve.
Further, described fault diagnosis module, specifically for：
If described first frequency response curve is inconsistent with the standard curve of described setting, and the response of described second frequency is bent
Line is consistent with the standard curve of described setting, then the mike of described mobile terminal breaks down；
If described first frequency response curve is inconsistent with the standard curve of described setting, and the response of described second frequency is bent
Line is also inconsistent with the standard curve of described setting, then the speaker of described mobile terminal breaks down.
Further, described device, also includes：
Fault restoration module, for when the mike of described mobile terminal breaks down, the standard based on described setting
The channel parameters of the mike to described mobile terminal for the curve are modified；When the speaker of described mobile terminal breaks down
When, the channel parameters of the speaker to described mobile terminal for the standard curve based on described setting are modified.
Additionally, for achieving the above object, the present invention also proposes a kind of audio components to mobile terminal and carries out fault diagnosis
Method, including：
When the speaker of described mobile terminal plays the frequency sweep audio frequency of setpoint frequency scope in anechoic chamber, using described
The built-in microphone of mobile terminal is recorded to described frequency sweep audio frequency, to obtain the first recording, and utilizes described mobile terminal
External microphone described frequency sweep audio frequency is recorded, to obtain the second recording；
Described first recording is converted to first frequency response curve, and the described second recording is converted to second frequency and ring
Answer curve；
Described first frequency response curve and described second frequency response curve are carried out with the standard curve setting respectively
Contrast, and fault diagnosis is carried out to the speaker in described mobile terminal and mike based on comparing result.
Further, described anechoic chamber is the confined space that described mobile terminal is constituted with acoustic element, and described movement
The sound hole that enters of the sender of the speaker of terminal and mike is respectively positioned in described confined space；
The External microphone of described mobile terminal is the mike of described acoustic element, and the mike of described acoustic element passes through indigo plant
The earpiece holes of tooth or described mobile terminal are connected with described mobile terminal.
Further, as follows recording is converted to frequency response curve：
To record discrete for PCM signal, and described PCM signal is converted to by frequency response curve by fft algorithm.
Further, described by described first frequency response curve and described second frequency response curve respectively with set
Standard curve is contrasted, and carries out fault diagnosis based on comparing result to the speaker in described mobile terminal and mike,
Including：
If described first frequency response curve is inconsistent with the standard curve of described setting, and the response of described second frequency is bent
Line is consistent with the standard curve of described setting, then the mike of described mobile terminal breaks down；
If described first frequency response curve is inconsistent with the standard curve of described setting, and the response of described second frequency is bent
Line is also inconsistent with the standard curve of described setting, then the speaker of described mobile terminal breaks down.
Further, methods described, also includes：
When the mike of described mobile terminal breaks down, the standard curve based on described setting is to described mobile terminal
The channel parameters of mike be modified；When the speaker of described mobile terminal breaks down, the mark based on described setting
The channel parameters of the speaker to described mobile terminal for the directrix curve are modified.
The method and apparatus that audio components to mobile terminal proposed by the present invention carry out fault diagnosis, by mobile terminal
Detect with the use of to the audio components of mobile terminal with acoustic element, play using the speaker of mobile terminal itself and sweep
Frequency source of sound, and respectively corresponding frequency response curve is got by the mike of mobile terminal and the mike of acoustic element, and
Contrasted with default standard curve according to frequency response curve, to be assisted engineer's quickly sound to mobile terminal after sale
Frequency element is diagnosed, thus judging whether audio components break down on the spot.The structure of described acoustic element is simple, and volume is relatively
Little, whenever and wherever possible the audio components of mobile terminal can be detected and be carried out returning factory's detection it is not necessary to waste the substantial amounts of time.This
Outward, engineer or terminal use after sale, is also with described acoustic element and frequency response curve to a certain degree interior performance not
Good mike and speaker carry out a targetedly calibration operation, in order to improve the audio performance of described mobile terminal,
Improve the efficiency of audio frequency accident analysis after sale.
Brief description
Fig. 1 is the hardware architecture diagram of a kind of optional mobile terminal realizing each embodiment of the present invention；
Fig. 2 is the wireless communication system schematic diagram of mobile terminal as shown in Figure 1；
Fig. 3 be first embodiment of the invention the audio components to mobile terminal carry out fault diagnosis device composition knot
Structure schematic diagram；
Fig. 4 be second embodiment of the invention the audio components to mobile terminal carry out fault diagnosis method flow process
Figure；
Fig. 5 be third embodiment of the invention the audio components to mobile terminal carry out fault diagnosis method flow process
Figure；
The realization of the object of the invention, functional characteristics and advantage will be described further in conjunction with the embodiments referring to the drawings.
Specific embodiment
It should be appreciated that specific embodiment described herein, only in order to explain the present invention, is not intended to limit the present invention.
Realize the mobile terminal of each embodiment of the present invention referring now to Description of Drawings.In follow-up description, use
For represent element such as " module ", " part " or " unit " suffix only for being conducive to the explanation of the present invention, itself
Not specific meaning.Therefore, " module " and " part " can mixedly use.
Mobile terminal can be implemented in a variety of manners.For example, the terminal described in the present invention can include such as moving
Phone, smart phone, notebook computer, digit broadcasting receiver, PDA (personal digital assistant), PAD (panel computer), PMP
The mobile terminal of (portable media player), guider etc. and such as numeral TV, desk computer etc. consolidate
Determine terminal.Hereinafter it is assumed that terminal is mobile terminal.However, it will be understood by those skilled in the art that, except being used in particular for moving
Outside the element of purpose, construction according to the embodiment of the present invention can also apply to the terminal of fixed type.
Fig. 1 is that the hardware configuration of a kind of optional mobile terminal realizing each embodiment of the present invention is illustrated.
Mobile terminal 1 00 can include wireless communication unit 110, A/V (audio/video) input block 120, user input
Unit 130, sensing unit 140, output unit 150, memorizer 160, interface unit 170, controller 180 and power subsystem 190
Etc..Fig. 1 shows the mobile terminal with various assemblies, it should be understood that being not required for implementing all groups illustrating
Part.More or less of assembly can alternatively be implemented.Will be discussed in more detail below the element of mobile terminal.
Wireless communication unit 110 generally includes one or more assemblies, and it allows mobile terminal 1 00 and wireless communication system
Or the radio communication between network.For example, wireless communication unit can include broadcasting reception module 111, mobile communication module
112nd, at least one of wireless Internet module 113, short range communication module 114 and location information module 115.
Broadcasting reception module 111 receives broadcast singal and/or broadcast via broadcast channel from external broadcast management server
Relevant information.Broadcast channel can include satellite channel and/or terrestrial channel.Broadcast management server can be generated and sent
The broadcast singal generating before the server of broadcast singal and/or broadcast related information or reception and/or broadcast related information
And send it to the server of terminal.Broadcast singal can include TV broadcast singal, radio signals, data broadcasting
Signal etc..And, broadcast singal may further include the broadcast singal combining with TV or radio signals.Broadcast phase
Pass information can also provide via mobile communications network, and in this case, broadcast related information can be by mobile communication mould
Block 112 is receiving.Broadcast singal can exist in a variety of manners, and for example, it can be with the electronics of DMB (DMB)
The form of program guide (EPG), the electronic service guidebooks (ESG) of digital video broadcast-handheld (DVB-H) etc. and exist.Broadcast
Receiver module 111 can be broadcasted by using various types of broadcast system receipt signals.Especially, broadcasting reception module 111
Can be wide by using such as multimedia broadcasting-ground (DMB-T), DMB-satellite (DMB-S), digital video
Broadcast-hand-held (DVB-H), forward link media (MediaFLO@) Radio Data System, received terrestrial digital broadcasting integrated service
Etc. (ISDB-T) digit broadcasting system receives digital broadcasting.Broadcasting reception module 111 may be constructed such that and is adapted to provide for extensively
Broadcast the various broadcast systems of signal and above-mentioned digit broadcasting system.Via broadcasting reception module 111 receive broadcast singal and/
Or broadcast related information can be stored in memorizer 160 (or other types of storage medium).
Mobile communication module 112 sends radio signals to base station (for example, access point, node B etc.), exterior terminal
And at least one of server and/or receive from it radio signal.Such radio signal can include voice and lead to
Words signal, video calling signal or the various types of data sending and/or receiving according to text and/or Multimedia Message.
Wireless Internet module 113 supports the Wi-Fi (Wireless Internet Access) of mobile terminal.This module can be internally or externally
It is couple to terminal.Wi-Fi (Wireless Internet Access) technology involved by this module can include WLAN (WLAN) (Wi-Fi), Wibro
(WiMAX), Wimax (worldwide interoperability for microwave accesses), HSDPA (high-speed downlink packet access) etc..
Short range communication module 114 is the module for supporting junction service.Some examples of short-range communication technology include indigo plant
ToothTM, RF identification (RFID), Infrared Data Association (IrDA), ultra broadband (UWB), purple honeybeeTMEtc..
Location information module 115 be for check or obtain mobile terminal positional information module.Location information module
Typical case be GPS (global positioning system).According to current technology, GPS module 115 calculates and is derived from three or more satellites
Range information and correct time information and for the Information application triangulation calculating, thus according to longitude, latitude
Highly accurately calculate three-dimensional current location information.Currently, the method for calculating position and temporal information is defended using three
Star and the error of the position that calculates by using other satellite correction and temporal information.Additionally, GPS module 115
Can be by Continuous plus current location information in real time come calculating speed information.
A/V input block 120 is used for receiving audio or video signal.A/V input block 120 can include camera 121 He
Mike 122, camera 121 is to the static images being obtained by image capture apparatus in Video Capture pattern or image capture mode
Or the view data of video is processed.Picture frame after process may be displayed on display unit 151.Process through camera 121
Picture frame afterwards can be stored in memorizer 160 (or other storage medium) or carry out sending out via wireless communication unit 110
Send, two or more cameras 121 can be provided according to the construction of mobile terminal.Mike 122 can be in telephone calling model, note
Sound (voice data) is received via mike in record pattern, speech recognition mode etc. operational mode, and can be by so
Acoustic processing be voice data.Audio frequency (voice) data after process can be converted in the case of telephone calling model can
It is sent to the form output of mobile communication base station via mobile communication module 112.Mike 122 can implement various types of making an uproar
Sound eliminates (or suppression) algorithm to eliminate the noise that (or suppression) produces in reception with during sending audio signal or to do
Disturb.
User input unit 130 can generate key input data to control each of mobile terminal according to the order of user input
Plant operation.User input unit 130 allows the various types of information of user input, and can include keyboard, metal dome, touch
Plate (for example, detection due to touched and lead to resistance, pressure, the change of electric capacity etc. sensitive component), roller, rocking bar etc.
Deng.Especially, when touch pad is superimposed upon on display unit 151 as a layer, touch screen can be formed.
Sensing unit 140 detect mobile terminal 1 00 current state, (for example, mobile terminal 1 00 open or close shape
State), the position of mobile terminal 1 00, user is for the presence or absence of the contact (that is, touch input) of mobile terminal 1 00, mobile terminal
100 orientation, the acceleration or deceleration movement of mobile terminal 1 00 and direction etc., and generate for controlling mobile terminal 1 00
The order of operation or signal.For example, when mobile terminal 1 00 is embodied as sliding-type mobile phone, sensing unit 140 can sense
This sliding-type phone opens or cuts out.In addition, sensing unit 140 can detect power subsystem 190 whether provide electric power or
Whether person's interface unit 170 is coupled with external device (ED).
Interface unit 170 is connected, with mobile terminal 1 00, the interface that can pass through as at least one external device (ED).For example,
External device (ED) can include wired or wireless head-band earphone port, external power source (or battery charger) port, wired or nothing
Line FPDP, memory card port, the port of device for connection with identification module, audio input/output (I/O) end
Mouth, video i/o port, ear port etc..Identification module can be storage for verifying that user uses each of mobile terminal 1 00
Kind of information and subscriber identification module (UIM), client identification module (SIM), Universal Subscriber identification module (USIM) can be included
Etc..In addition, the device (hereinafter referred to as " identifying device ") with identification module can take the form of smart card, therefore, know
Other device can be connected with mobile terminal 1 00 via port or other attachment means.Interface unit 170 can be used for reception and is derived from
The input (for example, data message, electric power etc.) of the external device (ED) and input receiving is transferred in mobile terminal 1 00
One or more elements or can be used for transmission data between mobile terminal and external device (ED).
In addition, when mobile terminal 1 00 is connected with external base, interface unit 170 can serve as allowing by it by electricity
Power provides the path of mobile terminal 1 00 from base or can serve as allowing the various command signals from base input to pass through it
It is transferred to the path of mobile terminal.May serve as identifying that mobile terminal is from the various command signals of base input or electric power
The no signal being accurately fitted within base.Output unit 150 is configured to defeated with the offer of vision, audio frequency and/or tactile manner
Go out signal (for example, audio signal, video signal, alarm signal, vibration signal etc.).Output unit 150 can include showing
Unit 151, dio Output Modules 152, alarm unit 153 etc..
Display unit 151 may be displayed on the information processing in mobile terminal 1 00.For example, when mobile terminal 1 00 is in electricity
During words call mode, display unit 151 can show (for example, text messaging, the multimedia file that communicate with call or other
Download etc.) related user interface (UI) or graphic user interface (GUI).When mobile terminal 1 00 is in video calling pattern
Or during image capture mode, display unit 151 can show the image of capture and/or the image of reception, illustrate video or figure
UI or GUI of picture and correlation function etc..
Meanwhile, when display unit 151 and the touch pad touch screen with formation superposed on one another as a layer, display unit
151 can serve as input equipment and output device.Display unit 151 can include liquid crystal display (LCD), thin film transistor (TFT)
In LCD (TFT-LCD), Organic Light Emitting Diode (OLED) display, flexible display, three-dimensional (3D) display etc. at least
A kind of.Some in these display may be constructed such that transparence to allow user from outside viewing, and this is properly termed as transparent
Display, typical transparent display can be, for example, TOLED (transparent organic light emitting diode) display etc..According to specific
The embodiment wanted, mobile terminal 1 00 can include two or more display units (or other display device), for example, moves
Dynamic terminal can include outernal display unit (not shown) and inner display unit (not shown).Touch screen can be used for detection and touches
Input pressure and touch input position and touch input area.
Dio Output Modules 152 can mobile terminal be in call signal reception pattern, call mode, logging mode,
When under the isotypes such as speech recognition mode, broadcast reception mode, that wireless communication unit 110 is received or in memorizer 160
The voice data transducing audio signal of middle storage and be output as sound.And, dio Output Modules 152 can provide and move
The audio output (for example, call signal receives sound, message sink sound etc.) of the specific function correlation of terminal 100 execution.
Dio Output Modules 152 can include speaker, buzzer etc..
Alarm unit 153 can provide output to notify event to mobile terminal 1 00.Typical event is permissible
Including calling reception, message sink, key signals input, touch input etc..In addition to audio or video output, alarm unit
153 can provide output in a different manner with the generation of notification event.For example, alarm unit 153 can be in the form of vibrating
Output is provided, enters when communicating (incoming communication) when receiving calling, message or some other, alarm list
Unit 153 can provide tactile output (that is, vibrating) to notify to user.By providing such tactile output, even if
When the mobile phone of user is in the pocket of user, user also can recognize that the generation of various events.Alarm unit 153
The output of the generation of notification event can be provided via display unit 151 or dio Output Modules 152.
Memorizer 160 can store software program of the process being executed by controller 180 and control operation etc., or can
Temporarily to store oneself data (for example, telephone directory, message, still image, video etc.) through exporting or will export.And
And, memorizer 160 can be to store the vibration of various modes with regard to exporting and audio signal when touching and being applied to touch screen
Data.
Memorizer 160 can include the storage medium of at least one type, and described storage medium includes flash memory, hard disk, many
Media card, card-type memorizer (for example, SD or DX memorizer etc.), random access storage device (RAM), static random-access storage
Device (SRAM), read only memory (ROM), Electrically Erasable Read Only Memory (EEPROM), programmable read only memory
(PROM), magnetic storage, disk, CD etc..And, mobile terminal 1 00 can execute memorizer with by network connection
The network storage device cooperation of 160 store function.
Controller 180 generally controls the overall operation of mobile terminal.For example, controller 180 execution and voice call, data
The related control of communication, video calling etc. and process.In addition, controller 180 can be included for reproducing (or playback) many matchmakers
The multi-media module 181 of volume data, multi-media module 181 can construct in controller 180, or it is so structured that and controls
Device 180 separates.Controller 180 can be with execution pattern identifying processing, by the handwriting input executing on the touchscreen or picture
Draw input and be identified as character or image.
Power subsystem 190 receives external power or internal power under the control of controller 180 and provides operation each unit
Suitable electric power needed for part and assembly.
Various embodiment described herein can be with using such as computer software, hardware or its any combination of calculating
Machine computer-readable recording medium is implementing.Hardware is implemented, embodiment described herein can be by using application-specific IC
(ASIC), digital signal processor (DSP), digital signal processing device (DSPD), programmable logic device (PLD), scene can
Program gate array (FPGA), processor, controller, microcontroller, microprocessor, be designed to execute function described herein
At least one in electronic unit implementing, in some cases, can be implemented in controller 180 by such embodiment.
Software is implemented, the embodiment of such as process or function can with allow to execute the single of at least one function or operation
Software module is implementing.Software code can be come by the software application (or program) write with any suitable programming language
Implement, software code can be stored in memorizer 160 and be executed by controller 180.
So far, oneself is through describing mobile terminal according to its function.Below, for the sake of brevity, will describe such as folded form,
Slide type mobile terminal in various types of mobile terminals of board-type, oscillating-type, slide type mobile terminal etc. is as showing
Example.Therefore, the present invention can be applied to any kind of mobile terminal, and is not limited to slide type mobile terminal.
As shown in Figure 1 mobile terminal 1 00 may be constructed such that using via frame or packet transmission data all if any
Line and wireless communication system and satellite-based communication system are operating.
The communication system being wherein operable to according to the mobile terminal of the present invention referring now to Fig. 2 description.
Such communication system can use different air interfaces and/or physical layer.For example, used by communication system
Air interface includes such as frequency division multiple access (FDMA), time division multiple acess (TDMA), CDMA (CDMA) and universal mobile communications system
System (UMTS) (especially, Long Term Evolution (LTE)), global system for mobile communications (GSM) etc..As non-limiting example, under
The description in face is related to cdma communication system, but such teaching is equally applicable to other types of system.
With reference to Fig. 2, cdma wireless communication system can include multiple mobile terminal 1s 00, multiple base station (BS) 270, base station
Controller (BSC) 275 and mobile switching centre (MSC) 280.MSC280 is configured to and Public Switched Telephony Network (PSTN)
290 formation interfaces.MSC280 is also structured to and can form interface via the BSC275 that back haul link is couple to base station 270.
If back haul link can construct according to any one in the interface that Ganji knows, described interface includes such as E1/T1, ATM, IP,
PPP, frame relay, HDSL, ADSL or xDSL.It will be appreciated that system as shown in Figure 2 can include multiple BSC275.
Each BS270 can service one or more subregions (or region), by the sky of multidirectional antenna or sensing specific direction
Each subregion that line covers is radially away from BS270.Or, each subregion can by for diversity reception two or more
Antenna covers.Each BS270 may be constructed such that support multiple frequency distribution, and the distribution of each frequency has specific frequency spectrum
(for example, 1.25MHz, 5MHz etc.).
Intersecting that subregion and frequency are distributed can be referred to as CDMA Channel.BS270 can also be referred to as base station transceiver
System (BTS) or other equivalent terms.In this case, term " base station " can be used for broadly representing single
BSC275 and at least one BS270.Base station can also be referred to as " cellular station ".Or, each subregion of specific BS270 can be claimed
For multiple cellular stations.
As shown in Figure 2, broadcast singal is sent to the mobile terminal of operation in system by broadcsting transmitter (BT) 295
100.Broadcasting reception module 111 is arranged at mobile terminal 1 00 to receive the broadcast being sent by BT295 as shown in Figure 1
Signal.In fig. 2 it is shown that several global positioning system (GPS) satellites 300.Satellite 300 helps position multiple mobile terminals
At least one of 100.
In fig. 2, depict multiple satellites 300, it is understood that be, it is possible to use any number of satellite obtains useful
Location information.GPS module 115 is generally configured to coordinate with satellite 300 to obtain the positioning letter wanted as shown in Figure 1
Breath.Substitute GPS tracking technique or outside GPS tracking technique, it is possible to use other of the position of mobile terminal can be followed the tracks of
Technology.In addition, at least one gps satellite 300 can optionally or additionally process satellite dmb transmission.
As a typical operation of wireless communication system, BS270 receives the reverse link from various mobile terminal 1s 00
Signal.Mobile terminal 1 00 generally participates in call, information receiving and transmitting and other types of communication.Each of certain base station 270 reception is anti-
Processed in specific BS270 to link signal.The data obtaining is forwarded to the BSC275 of correlation.BSC provides call
Resource allocation and the mobile management function of including the coordination of soft switching process between BS270.BSC275 is also by the number receiving
According to being routed to MSC280, it provides the extra route service for forming interface with PSTN290.Similarly, PSTN290 with
MSC280 forms interface, and MSC and BSC275 form interface, and BSC275 correspondingly controls BS270 with by forward link signals
It is sent to mobile terminal 1 00.
Based on above-mentioned mobile terminal hardware configuration and communication system, each embodiment of the inventive method is proposed.
As shown in figure 3, first embodiment of the invention proposes a kind of audio components to mobile terminal carries out fault diagnosis
Device, described device specifically includes consisting of part：
1) recording acquisition module 301, plays setpoint frequency model for the speaker when described mobile terminal in anechoic chamber
During the frequency sweep audio frequency enclosing, the built-in microphone using described mobile terminal is recorded to described frequency sweep audio frequency, to obtain first
Recording, and using the External microphone of described mobile terminal, described frequency sweep audio frequency is recorded, to obtain the second recording.
Specifically, described anechoic chamber is the confined space that described mobile terminal is constituted with acoustic element, and described mobile whole
The sound hole that enters of the sender of speaker at end and mike is respectively positioned in described confined space.At present, the raising one's voice of most of mobile phone
The sound hole that enters of the sender of device and mike is all disposed within a side of mobile phone (for example, mobile phone bottom side), described noise reduction
Part only needs to form anechoic chamber with a side of mobile phone.The volume of described acoustic element and size RS far smaller than on the market
Audio frequency Automatic analyzer, is easy to the speaker whenever and wherever possible to mobile terminal for the user and mike carries out audio frequency diagnosis and school
Accurate.
The External microphone of described mobile terminal is the mike of described acoustic element, and the mike of described acoustic element passes through indigo plant
The earpiece holes of tooth or described mobile terminal are connected with described mobile terminal.
Further, the frequency of described frequency sweep audio frequency is between 20Hz to 20KHz.
2) record modular converter 302, for the described first recording is converted to first frequency response curve, and by described the
Two recording are converted to second frequency response curve.
Specifically, described frequency response curve (Frequency Response, referred to as：Frequency response) it is the change with frequency for the gain
Change curve, for describing the difference of disposal ability between different frequency signals.Frequency response is the same with distortion to be that an important parameter refers to
Mark, any audio frequency apparatus or carrier have its corresponding frequency response curve, and frequency response curve ideally is flat
Straight, acoustical signal does not produce distortion after passing through.
Recording modular converter 302, specifically for：
Described first is recorded discrete is the first PCM signal, and is converted to described first PCM signal by fft algorithm
First frequency response curve；
Described second is recorded discrete is the second PCM signal, and is converted to described second PCM signal by fft algorithm
Second frequency response curve.
3) fault diagnosis module 303, for dividing described first frequency response curve and described second frequency response curve
Do not contrasted with the standard curve setting, and based on comparing result, the speaker in described mobile terminal and mike are carried out
Fault diagnosis.
Specifically, fault diagnosis module 303, are used for：
If described first frequency response curve is consistent with the standard curve of described setting, the speaker of described mobile terminal
All working properly with mike；
If described first frequency response curve is inconsistent with the standard curve of described setting, and the response of described second frequency is bent
Line is consistent with the standard curve of described setting, then the speaker operation of described mobile terminal is normal, the Mike of described mobile terminal
Wind breaks down；
If described first frequency response curve is inconsistent with the standard curve of described setting, and the response of described second frequency is bent
Line is inconsistent with the standard curve of described setting, then the speaker of described mobile terminal breaks down, the wheat of described mobile terminal
Gram wind is working properly.
Further, fault diagnosis module 303, specifically for：
Judge arbitrary frequency in described frequency response curve corresponding yield value and described arbitrary frequency in described setting
Standard curve in corresponding yield value difference whether in preset range, if so, then described frequency response curve with described
The standard curve setting is consistent, if it is not, then described frequency response curve is inconsistent with the standard curve of described setting.
Further, described device, also includes：
Fault restoration module, for when the mike of described mobile terminal breaks down, the standard based on described setting
The channel parameters of the mike to described mobile terminal for the curve are modified；When the speaker of described mobile terminal breaks down
When, the channel parameters of the speaker to described mobile terminal for the standard curve based on described setting are modified.
As shown in figure 4, second embodiment of the invention proposes a kind of audio components to mobile terminal carries out fault diagnosis
Method, specifically includes following steps：
Step S401：When the speaker of described mobile terminal plays the frequency sweep audio frequency of setpoint frequency scope in anechoic chamber
When, the built-in microphone using described mobile terminal is recorded to described frequency sweep audio frequency, to obtain the first recording, and utilizes institute
The External microphone stating mobile terminal is recorded to described frequency sweep audio frequency, to obtain the second recording.
Specifically, described anechoic chamber is the confined space that described mobile terminal is constituted with acoustic element, and described mobile whole
The sound hole that enters of the sender of speaker at end and mike is respectively positioned in described confined space.At present, the raising one's voice of most of mobile phone
The sound hole that enters of the sender of device and mike is all disposed within a side of mobile phone (for example, mobile phone bottom side), described noise reduction
Part only needs to form anechoic chamber with a side of mobile phone.The volume of described acoustic element and size RS sound far smaller than on the market
Frequency Automatic analyzer, is easy to the speaker whenever and wherever possible to mobile terminal for the user and mike carries out audio frequency diagnosis and calibration.
The External microphone of described mobile terminal is the mike of described acoustic element, and the mike of described acoustic element passes through indigo plant
The earpiece holes of tooth or described mobile terminal are connected with described mobile terminal.
Further, the frequency of described frequency sweep audio frequency is between 20Hz to 20KHz.
Step S402：Described first recording is converted to first frequency response curve, and the described second recording is converted to
Second frequency response curve.
Specifically, as follows recording is converted to frequency response curve：
To record discrete for PCM signal, and described PCM signal is converted to by frequency response curve by fft algorithm.
Step S403：By described first frequency response curve and the described second frequency response curve standard with setting respectively
Curve is contrasted, and carries out fault diagnosis based on comparing result to the speaker in described mobile terminal and mike.
Specifically, step S403, including：
If described first frequency response curve is consistent with the standard curve of described setting, the speaker of described mobile terminal
All working properly with mike；
If described first frequency response curve is inconsistent with the standard curve of described setting, and the response of described second frequency is bent
Line is consistent with the standard curve of described setting, then the speaker operation of described mobile terminal is normal, the Mike of described mobile terminal
Wind breaks down；
If described first frequency response curve is inconsistent with the standard curve of described setting, and the response of described second frequency is bent
Line is inconsistent with the standard curve of described setting, then the speaker of described mobile terminal breaks down, the wheat of described mobile terminal
Gram wind is working properly.
Further, whether determination frequency response curve is consistent with the standard curve setting as follows：
Judge arbitrary frequency in described frequency response curve corresponding yield value and described arbitrary frequency in described setting
Standard curve in corresponding yield value difference whether in preset range, if so, then described frequency response curve with described
The standard curve setting is consistent, if it is not, then described frequency response curve is inconsistent with the standard curve of described setting.
Further, methods described, also includes：
Channel parameters adjustment is carried out to the mike breaking down in mobile terminal and/or speaker, to repair fault
Mike and/or speaker.
When the mike of described mobile terminal breaks down, the standard curve based on described setting is to described mobile terminal
The channel parameters of mike be modified；When the speaker of described mobile terminal breaks down, the mark based on described setting
The channel parameters of the speaker to described mobile terminal for the directrix curve are modified.
As shown in figure 5, third embodiment of the invention proposes a kind of audio components to mobile terminal carries out fault diagnosis
Method, specifically includes following steps：
Step S501：Described mobile terminal is combined with acoustic element, forms an airtight anechoic chamber.
Specifically, the sound hole that enters of the sender of the speaker of described mobile terminal and mike is respectively positioned on described airtight disappearing
In tone chamber.The volume of described acoustic element and size RS audio frequency Automatic analyzer far smaller than on the market, is easy to user at any time
Speaker to mobile terminal and mike carry out audio frequency diagnosis and calibration everywhere.Also there is in described acoustic element built-in Mike
Wind, the mike of described acoustic element passes through bluetooth or the earpiece holes of described mobile terminal are connected with described mobile terminal.
Step S502：The speaker of described mobile terminal plays the swept-frequency signal of setpoint frequency in described anechoic chamber, and
By the mike of described mobile terminal, described swept-frequency signal is recorded.
Specifically, the frequency of described swept-frequency signal is between 20Hz to 20KHz.
Step S503：First frequency response curve will be converted to by the recording that the mike of described mobile terminal obtains.
Specifically, step S503, including：
By discrete for the recording obtaining by the mike of described mobile terminal for PCM signal, and pass through fft algorithm, by institute
State PCM signal and be converted to first frequency response curve.
Step S504：Whether judge described first frequency response curve consistent with the standard curve setting,
If so, then judge that the mike of described mobile terminal and speaker are all working properly, do not break down；
If it is not, then judging that the mike of described mobile terminal or speaker break down, but now not can determine that and be
The mike of mobile terminal breaks down or the speaker of mobile terminal breaks down, and need to continue executing with step S505.
Step S505：The speaker of described mobile terminal replays the frequency sweep letter of setpoint frequency in described anechoic chamber
Number, and by the mike of acoustic element, described swept-frequency signal is recorded.
Step S506：Second rate response curve will be converted to by the recording that the mike of described acoustic element obtains.
Specifically, step S506, including：
By discrete for the recording obtaining by the mike of described acoustic element for PCM signal, and pass through fft algorithm, will be described
PCM signal is converted to second frequency response curve.
Step S507：Whether judge described second frequency response curve consistent with the standard curve setting,
If so, then judge that the mike of described mobile terminal breaks down, the speaker operation of described mobile terminal is normal；
If it is not, then judging that the speaker of described mobile terminal breaks down, the microphone works of described mobile terminal are normal.
Further, whether determination frequency response curve is consistent with the standard curve setting as follows：
Judge arbitrary frequency in described frequency response curve corresponding yield value and described arbitrary frequency in described setting
Standard curve in corresponding yield value difference whether in preset range, if so, then described frequency response curve with described
The standard curve setting is consistent, if it is not, then described frequency response curve is inconsistent with the standard curve of described setting.
Further, methods described, also includes：
Channel parameters adjustment is carried out to the mike breaking down in mobile terminal and/or speaker, to repair fault
Mike and/or speaker.
When the mike of described mobile terminal breaks down, the standard curve based on described setting is to described mobile terminal
The channel parameters of mike be modified；When the speaker of described mobile terminal breaks down, the mark based on described setting
The channel parameters of the speaker to described mobile terminal for the directrix curve are modified.
It should be noted that herein, term " inclusion ", "comprising" or its any other variant are intended to non-row
The comprising of his property, so that including a series of process of key elements, method, article or device not only include those key elements, and
And also include other key elements of being not expressly set out, or also include intrinsic for this process, method, article or device institute
Key element.In the absence of more restrictions, the key element being limited by sentence "including a ..." is it is not excluded that including being somebody's turn to do
Also there is other identical element in the process of key element, method, article or device.
The embodiments of the present invention are for illustration only, do not represent the quality of embodiment.
Through the above description of the embodiments, those skilled in the art can be understood that above-described embodiment side
Method can be realized by the mode of software plus necessary general hardware platform naturally it is also possible to pass through hardware, but in many cases
The former is more preferably embodiment.Based on such understanding, technical scheme is substantially done to prior art in other words
Go out partly can embodying in the form of software product of contribution, this computer software product is stored in a storage medium
In (as ROM/RAM, magnetic disc, CD), including some instructions with so that a station terminal equipment (can be mobile phone, computer, clothes
Business device, air-conditioner, or network equipment etc.) method described in execution each embodiment of the present invention.
These are only the preferred embodiments of the present invention, not thereby limit the present invention the scope of the claims, every using this
Equivalent structure or equivalent flow conversion that bright description and accompanying drawing content are made, or directly or indirectly it is used in other related skills
Art field, is included within the scope of the present invention.
Claims (10)
1. a kind of audio components to mobile terminal carry out the device of fault diagnosis it is characterised in that described device includes：
Recording acquisition module, plays the frequency sweep sound of setpoint frequency scope in anechoic chamber for the speaker when described mobile terminal
During frequency, the built-in microphone using described mobile terminal is recorded to described frequency sweep audio frequency, to obtain the first recording, and utilizes
The External microphone of described mobile terminal is recorded to described frequency sweep audio frequency, to obtain the second recording；
Recording modular converter, for the described first recording is converted to first frequency response curve, and the described second recording is turned
It is changed to second frequency response curve；
Fault diagnosis module, for by described first frequency response curve and described second frequency response curve respectively with set
Standard curve is contrasted, and carries out fault diagnosis based on comparing result to the speaker in described mobile terminal and mike.
2. the audio components to mobile terminal according to claim 1 carry out fault diagnosis device it is characterised in that
Described anechoic chamber is the confined space that described mobile terminal is constituted with acoustic element, and the speaker of described mobile terminal
The sound hole that enters of sender and mike is respectively positioned in described confined space；
The External microphone of described mobile terminal is the mike of described acoustic element, the mike of described acoustic element pass through bluetooth or
The earpiece holes of described mobile terminal are connected with described mobile terminal.
3. the audio components to mobile terminal according to claim 1 carry out the device of fault diagnosis it is characterised in that institute
State recording modular converter, specifically for：
By discrete for the described first recording be the first pulse code modulation PCM signal, and by fast Fourier transform fft algorithm by institute
State the first PCM signal and be converted to first frequency response curve；
Described second is recorded discrete is the second PCM signal, and by fft algorithm, described second PCM signal is converted to second
Frequency response curve.
4. the audio components to mobile terminal according to claim 1 carry out the device of fault diagnosis it is characterised in that institute
State fault diagnosis module, specifically for：
If described first frequency response curve is inconsistent with the standard curve of described setting, and described second frequency response curve with
The standard curve of described setting is consistent, then the mike of described mobile terminal breaks down；
If described first frequency response curve is inconsistent with the standard curve of described setting, and described second frequency response curve with
The standard curve of described setting is also inconsistent, then the speaker of described mobile terminal breaks down.
5. the audio components to mobile terminal according to claim 1 carry out the device of fault diagnosis it is characterised in that institute
State device, also include：
Fault restoration module, for when the mike of described mobile terminal breaks down, the standard curve based on described setting
The channel parameters of the mike of described mobile terminal are modified；When the speaker of described mobile terminal breaks down, base
Channel parameters in the speaker to described mobile terminal for the standard curve of described setting are modified.
6. a kind of audio components to mobile terminal carry out the method for fault diagnosis it is characterised in that methods described includes：
When the speaker of described mobile terminal plays the frequency sweep audio frequency of setpoint frequency scope in anechoic chamber, using described movement
The built-in microphone of terminal is recorded to described frequency sweep audio frequency, to obtain the first recording and outer using described mobile terminal
Connect mike described frequency sweep audio frequency to be recorded, to obtain the second recording；
Described first recording is converted to first frequency response curve, and it is bent that the described second recording is converted to second frequency response
Line；
Described first frequency response curve and described second frequency response curve are contrasted with the standard curve setting respectively,
And fault diagnosis is carried out to the speaker in described mobile terminal and mike based on comparing result.
7. the audio components to mobile terminal according to claim 6 carry out fault diagnosis method it is characterised in that
Described anechoic chamber is the confined space that described mobile terminal is constituted with acoustic element, and the speaker of described mobile terminal
The sound hole that enters of sender and mike is respectively positioned in described confined space；
The External microphone of described mobile terminal is the mike of described acoustic element, the mike of described acoustic element pass through bluetooth or
The earpiece holes of described mobile terminal are connected with described mobile terminal.
8. the audio components to mobile terminal according to claim 6 carry out fault diagnosis method it is characterised in that by
According to following manner, recording is converted to frequency response curve：
To record discrete for PCM signal, and described PCM signal is converted to by frequency response curve by fft algorithm.
9. the audio components to mobile terminal according to claim 6 carry out the method for fault diagnosis it is characterised in that institute
State and described first frequency response curve and described second frequency response curve are contrasted with the standard curve setting respectively, and
Fault diagnosis is carried out to the speaker in described mobile terminal and mike based on comparing result, including：
If described first frequency response curve is inconsistent with the standard curve of described setting, and described second frequency response curve with
The standard curve of described setting is consistent, then the mike of described mobile terminal breaks down；
If described first frequency response curve is inconsistent with the standard curve of described setting, and described second frequency response curve with
The standard curve of described setting is also inconsistent, then the speaker of described mobile terminal breaks down.
10. the audio components to mobile terminal according to claim 6 carry out fault diagnosis method it is characterised in that
Methods described, also includes：
When the mike of described mobile terminal breaks down, the wheat to described mobile terminal for the standard curve based on described setting
The channel parameters of gram wind are modified；When the speaker of described mobile terminal breaks down, the standard based on described setting is bent
The channel parameters of the speaker to described mobile terminal for the line are modified.
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