CN110087170A - A kind of audio-frequency processing method and mobile terminal - Google Patents
A kind of audio-frequency processing method and mobile terminal Download PDFInfo
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- CN110087170A CN110087170A CN201910334969.5A CN201910334969A CN110087170A CN 110087170 A CN110087170 A CN 110087170A CN 201910334969 A CN201910334969 A CN 201910334969A CN 110087170 A CN110087170 A CN 110087170A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R3/00—Circuits for transducers, loudspeakers or microphones
- H04R3/12—Circuits for transducers, loudspeakers or microphones for distributing signals to two or more loudspeakers
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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
- H04R2430/00—Signal processing covered by H04R, not provided for in its groups
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- Acoustics & Sound (AREA)
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Abstract
The embodiment of the invention discloses a kind of audio-frequency processing methods, are applied to mobile terminal, which comprises determine the working condition of the audio processor of mobile terminal；If the working condition of audio processor is abnormal, the audio transmission bypass for controlling mobile terminal enters on state short circuit audio processor, and is handled by the main control processor of mobile terminal audio signal；If the working condition of audio processor is normal, controls audio transmission bypass and enter off state, and audio signal is handled by audio processor.Using the embodiment of the present invention, the loudspeaker of mobile terminal not cracky while guaranteeing playback matter and loudness outside mobile terminal, can be protected, user experience is promoted.
Description
Technical field
The present invention relates to field of terminal more particularly to a kind of audio-frequency processing methods and mobile terminal.
Background technique
With the development of terminal technology and the increasingly raising of people's living standard, the mobile terminals such as mobile phone, tablet computer
Have become most important communication or converter tools in people's life.
And with the development of communication technology, mobile terminal not only requires beautiful beauty in appearance, also required in structure towards
Frivolous development.The structure of mobile terminal is more and more thinner, so that the speaker cavity of mobile terminal also becomes smaller therewith, then loudspeaker
Sound quality and loudness have a sharp decline.But in order to meet the needs of user is to big volume, then there is foot when needing to put outside
Enough loudness, however since speaker cavity is too thin, big volume easily causes the breakage of loudspeaker monomer, brings not to user
Good experience.
Therefore, for the mobile terminal frivolous for structure, how to guarantee the same of playback matter and loudness outside mobile terminal
When, mobile terminal loudspeaker not cracky can be protected, technical problem urgently to be resolved is become.
Summary of the invention
The embodiment of the present invention provides a kind of audio-frequency processing method and mobile terminal, to be not necessarily in audio processor failure
Respective chip can make loudspeaker normal play, solve because replacement chip reduces audio processing efficiency and at high cost asks
Topic, the user experience is improved.
In order to solve the above-mentioned technical problem, the present invention is implemented as follows:
In a first aspect, providing a kind of audio-frequency processing method, it is applied to mobile terminal, this method comprises:
Determine the working condition of the audio processor of the mobile terminal；
If the working condition of the audio processor is abnormal, the audio transmission bypass for controlling the mobile terminal, which enters, is led
The logical state short circuit audio processor, and audio signal is handled by the main control processor of the mobile terminal；
If the working condition of the audio processor is normal, controls the audio transmission bypass and enter off state, and
The audio signal is handled by the audio processor.
Second aspect provides a kind of mobile terminal, which includes main control processor, the main control processor packet
It includes:
Determining module, the working condition of the audio processor for determining the mobile terminal；
Control module, for controlling the mobile terminal in the case where working condition exception of the audio processor
Audio transmission bypass enter the on state short circuit audio processor, and pass through the main control processor pair of the mobile terminal
Audio signal is handled；
The control module is also used to: in the normal situation of working condition of the audio processor, controlling the sound
It keeps pouring in defeated bypass and enters off state, and the audio signal is handled by the audio processor.
The third aspect provides a kind of mobile terminal, which includes processor, memory and be stored in described deposit
On reservoir and the computer program that can run on the processor, the computer program are realized when being executed by the processor
The step of method as described in relation to the first aspect.
Fourth aspect provides a kind of computer readable storage medium, stores meter on the computer readable storage medium
Calculation machine program, the step of method as described in relation to the first aspect is realized when the computer program is executed by processor.
In embodiments of the present invention, mobile terminal has the audio processor for being exclusively used in handling audio signal, when
When audio processor working condition is normal, output is put by the way that the dedicated audio processor is outer to progress after Audio Signal Processing,
And when audio processor goes wrong that i.e. working condition can not handle audio signal extremely, the master control for passing through mobile terminal is handled
Device handles audio signal, and the audio transmission bypass by entering on state skips audio processor to treated
Audio signal puts output outside carrying out.In this way, can guarantee that mobile terminal is being tied by putting output to outer again after Audio Signal Processing
Equally there is good outer playback matter and loudness in the case that structure is constantly lightening, and can be caused greatly to avoid due to putting loudness outside
Loudspeaker is damaged, plays a protective role；In addition, by making the main control processor of mobile terminal have the function of audio processing, energy
It enough avoids making because of audio processor failure putting noiseless outside mobile terminal or has the case where noise, and be not necessarily to replace the sound of failure
Frequency processor remains to normal use, has achieved the purpose that reduce user's economic loss, so as to promote user experience.
Detailed description of the invention
The drawings described herein are used to provide a further understanding of the present invention, constitutes a part of the invention, this hair
Bright illustrative embodiments and their description are used to explain the present invention, and are not constituted improper limitations of the present invention.In the accompanying drawings:
Fig. 1 is the flow diagram of sound intermediate frequency processing method of the embodiment of the present invention；
Fig. 2 is the connection schematic diagram of sound intermediate frequency processing circuit of the embodiment of the present invention；
Fig. 3 is the processing flow schematic diagram of audio frequency processing circuit shown in above-mentioned Fig. 2 in the embodiment of the present invention；
Fig. 4 is the another connection schematic diagram of sound intermediate frequency processing circuit of the embodiment of the present invention；
Fig. 5 is the processing flow schematic diagram of audio frequency processing circuit shown in above-mentioned Fig. 4 in the embodiment of the present invention；
Fig. 6 is the structural schematic diagram of mobile terminal in the embodiment of the present invention；
Fig. 7 is another structural schematic diagram of mobile terminal in the embodiment of the present invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are some of the embodiments of the present invention, instead of all the embodiments.Based on this hair
Embodiment in bright, every other implementation obtained by those of ordinary skill in the art without making creative efforts
Example, shall fall within the protection scope of the present invention.
For background technology part statement with mobile terminal (such as smart phone etc.) structure lightening, loudspeaker
Sound quality and loudness declined, and in the related art, pass through when being put outside big volume the problem of cracky loudspeaker monomer
Loudspeaker input terminal using intelligent power output amplification chip replace common power amplifier by the way of, as far as possible guarantee loudspeaker tonequality the case where
Not damaged loudspeaker monomer is put outside the lower big volume of protection.
But, it is contemplated that intelligent power output amplification chip generally it is included can voluntarily analyzing and processing data processing unit, and in order to make
The intelligent power output amplification chip of tape handling unit can work normally, and stable clock and power supply supply be needed, if slightly mistake
Chip operation can be caused abnormal, play noiseless or have a serious noise to will cause and be put outside mobile terminal.And it is more troublesome
It is, if expendable breakage occurs in intelligent power output amplification chip, since chip is to be integrated in mobile terminal in a manner of patch
Mainboard on, maintenance complexity it is quite big, user can only be replaced after sale, not only economic loss be caused also to will affect user's body
It tests.
Therefore, it is necessary to for above-mentioned since extremely caused outer put of intelligent power output amplification chip plays noiseless or has a serious noise
Problem proposes solution, so that guaranteeing playback matter and sound outside mobile terminal for the mobile terminal frivolous for structure
While spending, mobile terminal loudspeaker not cracky can be protected.
The technical solution provided below in conjunction with attached drawing, each embodiment that the present invention will be described in detail.
Shown in Figure 1, the embodiment of the present invention provides a kind of audio-frequency processing method, by mobile terminal execution.This method can
It specifically includes:
Step 101: determining the working condition of the audio processor of mobile terminal.
Optionally, by status register relevant to audio processor, the working condition of audio processor is determined i.e. well
It is bad, it specifically can (for example the main control processor of mobile terminal enables at audio by the instruction stored in read status register
Manage device instruction) implementing result status information, accurately to judge the quality of audio processor.
Step 103: if the working condition of audio processor is abnormal, the audio transmission bypass for controlling mobile terminal, which enters, is led
Logical state short circuit audio processor, and audio signal is handled by the main control processor of mobile terminal.
Optionally, audio transmission bypass can come into conducting shape before the working condition exception for determining audio processor
State then continues to keep in the conductive state in the working condition exception for determining audio processor；It can certainly be true
Audio transmission bypass is set to switch on state after determining the working condition exception of audio processor.
Step 105: if the working condition of audio processor is normal, controls audio transmission bypass and enter off state, and
Audio signal is handled by audio processor.
In embodiments of the present invention, mobile terminal has the audio processor for being exclusively used in handling audio signal, when
When audio processor working condition is normal, output is put by the way that the dedicated audio processor is outer to progress after Audio Signal Processing,
And when audio processor goes wrong that i.e. working condition can not handle audio signal extremely, the master control for passing through mobile terminal is handled
Device handles audio signal, and the audio transmission bypass by entering on state skips audio processor to treated
Audio signal puts output outside carrying out.In this way, can guarantee that mobile terminal is being tied by putting output to outer again after Audio Signal Processing
Equally there is good outer playback matter and loudness in the case that structure is constantly lightening, and can be caused greatly to avoid due to putting loudness outside
Loudspeaker is damaged, plays a protective role；In addition, by making the main control processor of mobile terminal have the function of audio processing, energy
It enough avoids making because of audio processor failure putting noiseless outside mobile terminal or has the case where noise, and be not necessarily to replace the sound of failure
Frequency processor remains to normal use, has achieved the purpose that reduce user's economic loss, so as to promote user experience.
It is appreciated that making audio transmission bypass in the normal situation of working condition of the audio processor of mobile terminal
It, can be to avoid interfering with audio processor to the processing result of audio signal into off state.
Optionally, in the audio-frequency processing method of the embodiment of the present invention, above-mentioned audio transmission bypass includes: switch, switch
It is connected in parallel with audio processor.
Wherein, it the step of control audio transmission bypass described in above-mentioned steps 103 enters on state, can specifically wrap
It includes: closed state being entered by control switch and realizes that control audio transmission bypass enters on state；
It the step of control audio transmission bypass described in above-mentioned steps 105 enters off-state, can specifically include: logical
Cross control switch enter opening state realize control audio transmission bypass enter off-state.
It is appreciated that formation can be realized outside audio in such a way that side sets the switch being connected in parallel with audio processor
The audio transmission bypass of output is put, to be arranged in parallel with the audio transmission bypass for including audio processor.In this way, by simple
Control switch being opened or closing, it can makes audio transmission bypass is corresponding to switch between off-state and on state, operation letter
It is single and efficiently, and without the additional cost for increasing mobile terminal, user is at least efficiently avoided using replacing at audio after sale
The mode of device is managed, plays noiseless or has a noise to be put outside the mobile terminal caused by solving the problems, such as because of audio processor failure,
Reduce the maintenance cost of mobile terminal；Moreover, switch be easily obtain on the market, performance is stable and first device of price material benefit
Part adds switch in the terminal almost without the production cost of mobile terminal is increased.
It is appreciated that can realize audio transmission by different modes in the audio-frequency processing method of the embodiment of the present invention
Being connected in parallel for switch and audio processor on bypass, can play its is short in audio processor working condition exception
Road.
Optionally, in one particular embodiment of the present invention, above-mentioned audio processor and switch are integrated in same integrated
On circuit chip.
It is appreciated that can be by the way that audio processor and switch be connected in parallel in same IC chip.Such as
This, the folding condition by control switch is the on-off for being convenient to the audio transmission main road where control audio processor, and
The manipulation of layout cabling and main control processor when convenient for being electrically connected.
For example, the electricity between main control processor, the IC chip for being integrated with audio processor and switch, loudspeaker
Property connection relationship can refer to Fig. 2.
The bypass that can skip audio processor is devised in IC chip as shown in Fig. 2, being equivalent to, i.e.,
Audio transmission bypass, specifically, the audio transmission bypass include switch.Wherein, audio letter is carried out based on the circuit connecting relation
Number processing process, may refer to method flow shown in Fig. 3, can specifically include the following contents:
Step 301: enabled IC chip, to start audio processor.
Optionally, when controlling the playing function for opening mobile terminal by main control processor, IC chip is carried out
It is enabled.
Step 303: judge whether the working condition of audio processor is normal, it is no to then follow the steps if executing step 305
307。
Optionally, the relevant information stored in the status register by reading IC chip, to audio processor
Working condition judged.
Step 305: audio signal being handled by audio processor.
It is appreciated that using the normal sound of mobile terminal in the normal situation of working condition for determining audio processor
Frequency processing function carries out audio processing to audio signal, for example promotes low-frequency effect, filters out noise frequency, DRC
(Dynamic Range Control, dynamic range control), and when loudspeaker overheats, input signal power is excessive, voltage mistake
When high, need to reduce input signal amplitude to protect the audio processing of loudspeaker etc., and then by the signal after audio processing
It is transported to outside loudspeaker progress and puts, realize the normal play of sound.
That is, running audio processing algorithms based on the relevant parameter for audio processing by audio processor.
Step 307: the switch in IC chip is opened, so that audio transmission bypass enters on state, thus will
Audio processor carries out short-circuit processing.
Step 309: audio signal being handled by main control processor.
It, will be based on being used for audio processing it is appreciated that in order to generate the audio frequency effect of suitable mobile terminal whole design
The function of relevant parameter operation audio processing algorithms, which is transferred in main control processor, to be realized, can specifically be imported and be mixed up in advance
Relevant parameter, so that make through audio transmission bypass outer put broadcasting and is also able to satisfy user demand.
In addition, can only control opening when needed for above-mentioned switch, and closing is controlled when not needed, to avoid
The normal of audio output main road where interfering with audio processor puts output outside.
Optionally, in another specific embodiment of the invention, above-mentioned audio processor is arranged in an ic core
On piece, switch are arranged independently of IC chip.
It is appreciated that the audio transmission bypass including switch can be provided separately to the collection for being integrated with audio processor
At circuit chip.In this way, the folding condition by control switch controls the audio where audio processor in which not only can be convenient
The on-off for transmitting main road, can also control the working condition of entire IC chip, further due to ic core
It, still can be by making switch in closed state when other failures of piece cause audio processor that can not normally handle audio signal
Mode processing is carried out to audio signal as usual and puts output outside.
It is connected in parallel in addition, being realized by way of it will switch independently of IC chip with audio processor, nothing
Interior design change, and entire IC chip damage need to be carried out to the IC chip for being integrated with audio processor
Can not work normally, can in the case where no replacement is required IC chip, the same outer playback matter for guaranteeing mobile terminal and
Loudness demand.
For example, the electricity between main control processor, the IC chip for switching, being integrated with audio processor, loudspeaker
Property connection relationship can refer to Fig. 4.
The bypass that can skip audio processor is devised outside IC chip as shown in figure 4, being equivalent to, i.e.,
Audio transmission bypass, specifically, the audio transmission bypass include switch, can both not need IC chip supplier in this way
Chip interior design is modified, without the concrete type for considering chip, that is, is suitable for all types of chips.Wherein, being based on should
Circuit connecting relation carries out the process of Audio Signal Processing, may refer to method flow shown in fig. 5, can specifically include following
Content:
Step 501: enabled IC chip, to start audio processor.
Optionally, when controlling the playing function for opening mobile terminal by main control processor, IC chip is carried out
It is enabled.
Step 503: judge whether the working condition of audio processor is normal, it is no to then follow the steps if executing step 505
507。
Optionally, the relevant information stored in the status register by reading IC chip, to audio processor
Working condition judged.
Step 505: audio signal being handled by audio processor.
It is appreciated that using the normal sound of mobile terminal in the normal situation of working condition for determining audio processor
Frequency processing function carries out audio processing to audio signal, for example promotes low-frequency effect, filters out noise frequency, DRC
(Dynamic Range Control, dynamic range control), and when loudspeaker overheats, input signal power is excessive, voltage mistake
When high, need to reduce input signal amplitude to protect the audio processing of loudspeaker etc., and then by the signal after audio processing
It is transported to outside loudspeaker progress and puts, realize the normal play of sound.
That is, running audio processing algorithms based on the relevant parameter for audio processing by audio processor.
Step 507: the switch outside IC chip is opened, so that audio transmission bypass enters on state, thus will
Audio processor carries out short-circuit processing.
Step 509: audio signal being handled by main control processor.
It, will be based on being used for audio processing it is appreciated that in order to generate the audio frequency effect of suitable mobile terminal whole design
The function of relevant parameter operation audio processing algorithms, which is transferred in main control processor, to be realized, can specifically be imported and be mixed up in advance
Relevant parameter, so that make through audio transmission bypass outer put broadcasting and is also able to satisfy user demand.
In addition, can only control opening when needed for above-mentioned switch, and closing is controlled when not needed, to avoid
The normal of audio output main road where interfering with audio processor puts output outside.
It should be noted that in other specific embodiments of the invention the integrated of audio processor can be integrated with
One switch being connected in parallel with audio processor is set on circuit chip, while another is set independently of the ic core
The switch of piece makes another switch be connected in parallel to realize connect in parallel with audio processor indirectly with IC chip
It connects, that is, two audio transmission bypasses being connected in parallel with audio processor is set, in order to according to specific requirements selection control two
The on off operating mode of audio transmission bypass.
Optionally, in the audio-frequency processing method of the embodiment of the present invention, if the working condition of audio processor is abnormal, the party
Method further include: obtain the target component for being used for audio processing, target component includes: noise reduction parameters, anti-distorsion parameter, volume parameters
With at least one in sound balance parameters；
Further, the main control processor by mobile terminal in above-mentioned steps 103 handles audio signal
Scheme can be executed specifically are as follows:
Audio signal is handled based on target component.
It is appreciated that being successfully processed to can be realized the main control processor of mobile terminal to audio signal, need
Main control processor obtains the relevant parameter for audio processing mixed up before handling audio signal in advance, based on specific
Parameter is accurately realized corresponding audio processing function, improves the sound quality and loudness of the outer audio for putting output.It for example, can be with
The noise that audio is reduced based on noise reduction parameters, can specifically pass through Digital Signal Processing (DSP, Digital Signal
Processing) the related noise reduction algorithm such as noise reduction algorithm realizes the noise reduction process to audio signal；Or it can be equal based on sound
Weighing apparatus parameter is adjusted the electric signal of different frequency to compensate the defect of the loudspeaker of mobile terminal and sound field, realizes that audio is excellent
Change, filters out noise frequency etc..Other relevant parameters for being used for audio processing such as anti-distorsion parameter, volume parameters are analogous to above-mentioned two
Optimization and improvement to the different aspect of audio may be implemented in a design parameter.
From the foregoing, it will be observed that audio-frequency processing method through the embodiment of the present invention, can solve in the prior art, due to being integrated with
The IC chip (or intelligent power output amplification chip) of audio processor is abnormal, and causes the outer place system of mobile terminal entire
Not the problem of not being available, bringing bad experience to user；Further, it can also solve in the prior art, due to integrated circuit
On the mainboard that chip is welded on mobile terminal by the way of factory's patch, if chip is damaged, replacement is got up complicated for operation, time-consuming
And arduously, the problem of and user may being needed to undertake maintenance cost, make poor user experience.Audio through the embodiment of the present invention
Processing method, user hardly perceives chip exception, and scheme is simple and effective, is easily achieved, additional almost without increasing
Cost is conducive to promote user experience.
Shown in Figure 6, the embodiment of the present invention also provides a kind of mobile terminal 600, which specifically can wrap
It includes:
Determining module 601, the working condition of the audio processor for determining mobile terminal；
Control module 603, in the case where the working condition exception of audio processor, control audio transmission bypass into
Enter on state short circuit audio processor, and audio signal is handled by the main control processor of mobile terminal；
Control module 603 is also used to: in the normal situation of working condition of audio processor, controlling audio transmission bypass
Audio signal is handled into off state, and by audio processor.
Preferably, in mobile terminal 600 provided in an embodiment of the present invention, above-mentioned audio transmission bypass includes: switch, switch
It is connected in parallel with audio processor；
Wherein, control module 603 is specifically used for:
Enter closed state by control switch and realizes that control audio transmission bypass enters on state；
Enter opening state by control switch and realizes that control audio transmission bypass enters off-state.
Preferably, in mobile terminal 600 provided in an embodiment of the present invention, above-mentioned audio processor and switch are integrated in same
Ic core on piece.
Preferably, in mobile terminal 600 provided in an embodiment of the present invention, above-mentioned audio processor is arranged in an integrated circuit
On chip, switch is arranged independently of IC chip.
Preferably, in mobile terminal 600 provided in an embodiment of the present invention, specifically can also include:
Module is obtained, for obtaining the mesh for being used for audio processing in the case where the working condition exception of audio processor
Parameter is marked, target component includes: at least one in noise reduction parameters, anti-distorsion parameter, volume parameters and sound balance parameters；
Wherein, control module 603 is specifically also used to: handling audio signal based on target component.
It is understood that mobile terminal 600 provided in an embodiment of the present invention, it can be realized and aforementioned executed by mobile terminal 600
Audio-frequency processing method each process, related illustrate about audio-frequency processing method be suitable for mobile terminal 600, herein not
It repeats again.
In embodiments of the present invention, mobile terminal has the audio processor for being exclusively used in handling audio signal, when
When audio processor working condition is normal, output is put by the way that the dedicated audio processor is outer to progress after Audio Signal Processing,
And when audio processor goes wrong that i.e. working condition can not handle audio signal extremely, the master control for passing through mobile terminal is handled
Device handles audio signal, and the audio transmission bypass by entering on state skips audio processor to treated
Audio signal puts output outside carrying out.In this way, can guarantee that mobile terminal is being tied by putting output to outer again after Audio Signal Processing
Equally there is good outer playback matter and loudness in the case that structure is constantly lightening, and can be caused greatly to avoid due to putting loudness outside
Loudspeaker is damaged, plays a protective role；In addition, by making the main control processor of mobile terminal have the function of audio processing, energy
It enough avoids making because of audio processor failure putting noiseless outside mobile terminal or has the case where noise, and be not necessarily to replace the sound of failure
Frequency processor remains to normal use, has achieved the purpose that reduce user's economic loss, so as to promote user experience.
A kind of hardware structural diagram of Fig. 7 mobile terminal of each embodiment to realize the present invention, the mobile terminal 700
Including but not limited to: radio frequency unit 701, audio output unit 703, input unit 704, sensor 705, is shown network module 702
Show the components such as unit 706, user input unit 707, interface unit 708, memory 709, processor 710 and power supply 711.
It will be understood by those skilled in the art that mobile terminal structure shown in Fig. 7 does not constitute the restriction to mobile terminal, it is mobile whole
End may include perhaps combining certain components or different component layouts than illustrating more or fewer components.In the present invention
In embodiment, mobile terminal includes but is not limited to mobile phone, tablet computer, laptop, palm PC, car-mounted terminal, can wear
Wear equipment and pedometer etc..
Wherein, processor 710, for executing following procedure:
Determine the working condition of the audio processor of mobile terminal；
If the working condition of audio processor is abnormal, controlling the audio transmission bypass of mobile terminal, to enter on state short
Road audio processor, and audio signal is handled by the main control processor of mobile terminal；
If the working condition of audio processor is normal, controls audio transmission bypass and enter off state, and pass through audio
Processor handles audio signal.
In embodiments of the present invention, mobile terminal has the audio processor for being exclusively used in handling audio signal, when
When audio processor working condition is normal, output is put by the way that the dedicated audio processor is outer to progress after Audio Signal Processing,
And when audio processor goes wrong that i.e. working condition can not handle audio signal extremely, the master control for passing through mobile terminal is handled
Device handles audio signal, and the audio transmission bypass by entering on state skips audio processor to treated
Audio signal puts output outside carrying out.In this way, can guarantee that mobile terminal is being tied by putting output to outer again after Audio Signal Processing
Equally there is good outer playback matter and loudness in the case that structure is constantly lightening, and can be caused greatly to avoid due to putting loudness outside
Loudspeaker is damaged, plays a protective role；In addition, by making the main control processor of mobile terminal have the function of audio processing, energy
It enough avoids making because of audio processor failure putting noiseless outside mobile terminal or has the case where noise, and be not necessarily to replace the sound of failure
Frequency processor remains to normal use, has achieved the purpose that reduce user's economic loss, so as to promote user experience.
It should be understood that the embodiment of the present invention in, radio frequency unit 701 can be used for receiving and sending messages or communication process in, signal
Send and receive, specifically, by from base station downlink data receive after, to processor 710 handle；In addition, by uplink
Data are sent to base station.In general, radio frequency unit 701 includes but is not limited to antenna, at least one amplifier, transceiver, coupling
Device, low-noise amplifier, duplexer etc..In addition, radio frequency unit 701 can also by wireless communication system and network and other set
Standby communication.
Mobile terminal provides wireless broadband internet by network module 702 for user and accesses, and such as user is helped to receive
It sends e-mails, browse webpage and access streaming video etc..
Audio output unit 703 can be received by radio frequency unit 701 or network module 702 or in memory 709
The audio data of storage is converted into audio signal and exports to be sound.Moreover, audio output unit 703 can also be provided and be moved
The relevant audio output of specific function that dynamic terminal 700 executes is (for example, call signal receives sound, message sink sound etc.
Deng).Audio output unit 703 includes loudspeaker, buzzer and receiver etc..
Input unit 704 is for receiving audio or video signal.Input unit 704 may include graphics processor
(Graphics Processing Unit, GPU) 7041 and microphone 7042, graphics processor 7041 is in video acquisition mode
Or the image data of the static images or video obtained in image capture mode by image capture apparatus (such as camera) carries out
Reason.Treated, and picture frame may be displayed on display unit 706.Through graphics processor 7041, treated that picture frame can be deposited
Storage is sent in memory 709 (or other storage mediums) or via radio frequency unit 701 or network module 702.Mike
Wind 7042 can receive sound, and can be audio data by such acoustic processing.Treated audio data can be
The format output that mobile communication base station can be sent to via radio frequency unit 701 is converted in the case where telephone calling model.
Mobile terminal 700 further includes at least one sensor 705, such as optical sensor, motion sensor and other biographies
Sensor.Specifically, optical sensor includes ambient light sensor and proximity sensor, wherein ambient light sensor can be according to environment
The light and shade of light adjusts the brightness of display panel 7061, and proximity sensor can close when mobile terminal 700 is moved in one's ear
Display panel 7061 and/or backlight.As a kind of motion sensor, accelerometer sensor can detect in all directions (general
For three axis) size of acceleration, it can detect that size and the direction of gravity when static, can be used to identify mobile terminal posture (ratio
Such as horizontal/vertical screen switching, dependent game, magnetometer pose calibrating), Vibration identification correlation function (such as pedometer, tap)；It passes
Sensor 705 can also include fingerprint sensor, pressure sensor, iris sensor, molecule sensor, gyroscope, barometer, wet
Meter, thermometer, infrared sensor etc. are spent, details are not described herein.
Display unit 706 is for showing information input by user or being supplied to the information of user.Display unit 706 can wrap
Display panel 7061 is included, liquid crystal display (Liquid Crystal Display, LCD), Organic Light Emitting Diode can be used
Forms such as (Organic Light-Emitting Diode, OLED) configure display panel 7061.
User input unit 707 can be used for receiving the number or character information of input, and generate the use with mobile terminal
Family setting and the related key signals input of function control.Specifically, user input unit 707 include touch panel 7071 and
Other input equipments 7072.Touch panel 7071, also referred to as touch screen collect the touch operation of user on it or nearby
(for example user uses any suitable objects or attachment such as finger, stylus on touch panel 7071 or in touch panel 7071
Neighbouring operation).Touch panel 7071 may include both touch detecting apparatus and touch controller.Wherein, touch detection
Device detects the touch orientation of user, and detects touch operation bring signal, transmits a signal to touch controller；Touch control
Device processed receives touch information from touch detecting apparatus, and is converted into contact coordinate, then gives processor 710, receiving area
It manages the order that device 710 is sent and is executed.Furthermore, it is possible to more using resistance-type, condenser type, infrared ray and surface acoustic wave etc.
Seed type realizes touch panel 7071.In addition to touch panel 7071, user input unit 707 can also include other input equipments
7072.Specifically, other input equipments 7072 can include but is not limited to physical keyboard, function key (such as volume control button,
Switch key etc.), trace ball, mouse, operating stick, details are not described herein.
Further, touch panel 7071 can be covered on display panel 7061, when touch panel 7071 is detected at it
On or near touch operation after, send processor 710 to determine the type of touch event, be followed by subsequent processing device 710 according to touching
The type for touching event provides corresponding visual output on display panel 7061.Although in Fig. 7, touch panel 7071 and display
Panel 7061 is the function that outputs and inputs of realizing mobile terminal as two independent components, but in some embodiments
In, can be integrated by touch panel 7071 and display panel 7061 and realize the function that outputs and inputs of mobile terminal, it is specific this
Place is without limitation.
Interface unit 708 is the interface that external device (ED) is connect with mobile terminal 700.For example, external device (ED) may include having
Line or wireless head-band earphone port, external power supply (or battery charger) port, wired or wireless data port, storage card end
Mouth, port, the port audio input/output (I/O), video i/o port, earphone end for connecting the device with identification module
Mouthful etc..Interface unit 708 can be used for receiving the input (for example, data information, electric power etc.) from external device (ED) and
By one or more elements that the input received is transferred in mobile terminal 700 or can be used in 700 He of mobile terminal
Data are transmitted between external device (ED).
Memory 709 can be used for storing software program and various data.Memory 709 can mainly include storing program area
The storage data area and, wherein storing program area can (such as the sound of application program needed for storage program area, at least one function
Sound playing function, image player function etc.) etc.；Storage data area can store according to mobile phone use created data (such as
Audio data, phone directory etc.) etc..In addition, memory 709 may include high-speed random access memory, it can also include non-easy
The property lost memory, a for example, at least disk memory, flush memory device or other volatile solid-state parts.
Processor 710 is the control centre of mobile terminal, utilizes each of various interfaces and the entire mobile terminal of connection
A part by running or execute the software program and/or module that are stored in memory 709, and calls and is stored in storage
Data in device 709 execute the various functions and processing data of mobile terminal, to carry out integral monitoring to mobile terminal.Place
Managing device 710 may include one or more processing units；Preferably, processor 710 can integrate application processor and modulatedemodulate is mediated
Manage device, wherein the main processing operation system of application processor, user interface and application program etc., modem processor is main
Processing wireless communication.It is understood that above-mentioned modem processor can not also be integrated into processor 710.
Mobile terminal 700 can also include the power supply 711 (such as battery) powered to all parts, it is preferred that power supply 711
Can be logically contiguous by power-supply management system and processor 710, to realize management charging by power-supply management system, put
The functions such as electricity and power managed.
In addition, mobile terminal 700 includes some unshowned functional modules, details are not described herein.
Preferably, the embodiment of the present invention also provides a kind of mobile terminal, including processor 710, and memory 709 is stored in
On memory 709 and the computer program that can run on the processor 710, the computer program are executed by processor 710
Each process of the above-mentioned audio-frequency processing method embodiment of Shi Shixian, and identical technical effect can be reached, to avoid repeating, here
It repeats no more.
The embodiment of the present invention also provides a kind of computer readable storage medium, and meter is stored on computer readable storage medium
Calculation machine program, the computer program realize each process of above-mentioned audio-frequency processing method embodiment, and energy when being executed by processor
Reach identical technical effect, to avoid repeating, which is not described herein again.Wherein, the computer readable storage medium, such as only
Read memory (Read-Only Memory, abbreviation ROM), random access memory (Random Access Memory, abbreviation
RAM), magnetic or disk etc..
It should be noted that, in this document, the terms "include", "comprise" or its any other variant are intended to non-row
His property includes, so that the process, method, article or the device that include a series of elements not only include those elements, and
And further include other elements that are not explicitly listed, or further include for this process, method, article or device institute it is intrinsic
Element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that including being somebody's turn to do
There is also other identical elements in the process, method of element, article or device.
Through the above description of the embodiments, those skilled in the art can be understood that above-described embodiment side
Method can be realized by means of software and necessary general hardware platform, naturally it is also possible to by hardware, but in many cases
The former is more preferably embodiment.Based on this understanding, technical solution of the present invention substantially in other words does the prior art
The part contributed out can be embodied in the form of software products, which is stored in a storage medium
In (such as ROM/RAM, magnetic disk, CD), including some instructions are used so that a terminal (can be mobile phone, computer, service
Device, air conditioner or network equipment etc.) execute method described in each embodiment of the present invention.
The embodiment of the present invention is described with above attached drawing, but the invention is not limited to above-mentioned specific
Embodiment, the above mentioned embodiment is only schematical, rather than restrictive, those skilled in the art
Under the inspiration of the present invention, without breaking away from the scope protected by the purposes and claims of the present invention, it can also make very much
Form belongs within protection of the invention.
Claims (12)
1. a kind of audio-frequency processing method is applied to mobile terminal, which is characterized in that the described method includes:
Determine the working condition of the audio processor of the mobile terminal；
If the working condition of the audio processor is abnormal, the audio transmission bypass for controlling the mobile terminal enters conducting shape
The state short circuit audio processor, and audio signal is handled by the main control processor of the mobile terminal；
If the working condition of the audio processor is normal, controls the audio transmission bypass and enter off state, and pass through
The audio processor handles the audio signal.
2. the method according to claim 1, wherein the audio transmission bypass include: switch, it is described switch with
The audio processor is connected in parallel；
Wherein, the control audio transmission bypass enters on state, comprising: enters closed state reality by controlling the switch
The existing control audio transmission bypass enters on state；
The control audio transmission bypass enters off-state, comprising: enters opening state reality by controlling the switch
The existing control audio transmission bypass enters off-state.
3. according to the method described in claim 2, it is characterized in that,
The audio processor and the switch are integrated on the same integrated circuit chip.
4. according to the method described in claim 2, it is characterized in that,
The audio processor setting is arranged in an ic core on piece, the switch independently of the IC chip.
5. method according to any one of claims 1 to 4, which is characterized in that if the work shape of the audio processor
State is abnormal, the method also includes:
The target component for being used for audio processing is obtained, the target component includes: noise reduction parameters, anti-distorsion parameter, volume parameters
With at least one in sound balance parameters；
It is wherein, described that audio signal is handled, comprising:
Based on the target component processing audio signal.
6. a kind of mobile terminal, which is characterized in that the mobile terminal includes:
Determining module, the working condition of the audio processor for determining the mobile terminal；
Control module, for controlling the sound of the mobile terminal in the case where working condition exception of the audio processor
It keeps pouring in defeated bypass and enters the on state short circuit audio processor, and by the main control processor of the mobile terminal to audio
Signal is handled；
The control module is also used to: in the normal situation of working condition of the audio processor, being controlled the audio and is passed
Defeated bypass enters off state, and is handled by the audio processor the audio signal.
7. mobile terminal according to claim 6, which is characterized in that the audio transmission bypass includes: switch, described to open
Pass is connected in parallel with the audio processor；
Wherein, the control module is specifically used for:
Realize that the control audio transmission bypass enters on state into closed state by controlling the switch；
Realize that the control audio transmission bypass enters off-state into opening state by controlling the switch.
8. mobile terminal according to claim 7, which is characterized in that
The audio processor and the switch are integrated on the same integrated circuit chip.
9. mobile terminal according to claim 7, which is characterized in that
The audio processor setting is arranged in an ic core on piece, the switch independently of the IC chip.
10. the mobile terminal according to any one of claim 6~9, which is characterized in that further include:
Module is obtained, for obtaining the mesh for being used for audio processing in the case where the working condition exception of the audio processor
Parameter is marked, the target component includes: at least one in noise reduction parameters, anti-distorsion parameter, volume parameters and sound balance parameters
?；
Wherein, the control module is specifically also used to: handling the audio signal based on the target component.
11. a kind of mobile terminal characterized by comprising memory, processor and be stored on the memory and can be in institute
The computer program run on processor is stated, such as claim 1 to 5 is realized when the computer program is executed by the processor
Any one of described in method the step of.
12. a kind of computer readable storage medium, which is characterized in that be stored with computer on the computer readable storage medium
Program, the step of method as described in any one of claims 1 to 5 is realized when the computer program is executed by processor.
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Application publication date: 20190802 |