CN107509153A - Detection method, device, storage medium and the terminal of Audio Players part - Google Patents
Detection method, device, storage medium and the terminal of Audio Players part Download PDFInfo
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- CN107509153A CN107509153A CN201710710680.XA CN201710710680A CN107509153A CN 107509153 A CN107509153 A CN 107509153A CN 201710710680 A CN201710710680 A CN 201710710680A CN 107509153 A CN107509153 A CN 107509153A
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- audio
- sound
- audio signal
- preset
- audio players
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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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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2420/00—Details of connection covered by H04R, not provided for in its groups
- H04R2420/05—Detection of connection of loudspeakers or headphones to amplifiers
Abstract
The embodiment of the invention discloses the detection method of Audio Players part, device, storage medium and terminal.This method includes：When monitoring that Audio Players part detecting event is triggered, preset audio file is played by Audio Players part with default level of sound volume and controls microphone collecting sample audio signal；By sample audio signal compared with preset audio signal, wherein, preset audio signal is to play preset audio file and the audio signal collected by microphone in the case of foreign matter is not present in the sounding position of Audio Players part to preset level of sound volume；Determine that the sounding position of the Audio Players part has foreign matter when comparative result meets preparatory condition.The embodiment of the present invention by using above-mentioned technical proposal, terminal can automatic detection go out the Audio Players such as loudspeaker or receiver part by foreign matters from being blocked, enrich the function of terminal.
Description
Technical field
The present embodiments relate to field of terminal technology, more particularly to the detection method of Audio Players part, device, storage
Medium and terminal.
Background technology
In order to meet voice call of the user in life and work, video calling, listen to music and viewing video
Deng audiovisual demand, most terminals all possess audio playing function, such as mobile phone, tablet personal computer, music player and recording pen.
In general, terminal can play sound using the Audio Players such as loudspeaker or receiver part, wherein, receiver is mainly used
In call.The principle of sound of loudspeaker and receiver is essentially identical, is all to convert electrical energy into mechanical energy, mechanical energy is converted into acoustic energy
Process, mainly utilize electromagnetic induction principle.By taking loudspeaker as an example, during coil electricity in loudspeaker, its coil will produce
Magnetic field, under the magnetic field interaction with magnet, coil will vibrate, and so as to drive vibration of membrane of shaking, vibrating diaphragm arranges air reality
Existing sounding.
The content of the invention
The embodiment of the present invention provides detection method, device, storage medium and the terminal of Audio Players part, can be automatically right
Audio Players part is detected.
In a first aspect, the embodiments of the invention provide a kind of detection method of Audio Players part, including：
When monitoring that Audio Players part detecting event is triggered, played with default level of sound volume by Audio Players part
Preset audio file simultaneously controls microphone collecting sample audio signal；
By the sample audio signal compared with preset audio signal, wherein, the preset audio signal is in institute
The sounding position for stating Audio Players part plays the preset audio in the absence of in the case of foreign matter with the default level of sound volume
File and the audio signal collected by the microphone；
Determine that the sounding position of the Audio Players part has foreign matter when comparative result meets preparatory condition.
Second aspect, the embodiments of the invention provide a kind of detection means of Audio Players part, including：
Play control module, for when monitoring that Audio Players part detecting event is triggered, to preset level of sound volume
Preset audio file is played by Audio Players part；
Audio collection control module, for playing preset audio file by Audio Players part with default level of sound volume
While control microphone collecting sample audio signal；
Signal comparison module, for by the sample audio signal compared with preset audio signal, wherein, it is described pre-
If audio signal is with the default level of sound volume in the case of foreign matter is not present in the sounding position of the Audio Players part
Play the preset audio file and the audio signal collected by the microphone；
Foreign matter determination module, for determining the sounding position of the Audio Players part when comparative result meets preparatory condition
Put and foreign matter be present.
The third aspect, the embodiments of the invention provide a kind of computer-readable recording medium, is stored thereon with computer journey
Sequence, the detection method of Audio Players part as described in the present embodiment of the invention is realized when the program is executed by processor.
Fourth aspect, the embodiments of the invention provide a kind of mobile terminal, including microphone, Audio Players part, storage
Device, processor and storage on a memory and the computer program that can be run in processor, are calculated described in the computing device
The detection method of Audio Players part as described in the present embodiment of the invention is realized during machine program.
The detection scheme of the Audio Players part provided in the embodiment of the present invention, monitor Audio Players part detecting event
When being triggered, preset audio file is played by Audio Players part with default level of sound volume and controls microphone collecting sample sound
Frequency signal, by sample audio signal compared with preset audio signal, sound is determined when comparative result meets preparatory condition
Foreign matter be present in the sounding position for playing device.By using above-mentioned technical proposal, terminal can automatic detection go out loudspeaker or listen
The Audio Players parts such as cylinder enrich the function of terminal by foreign matters from being blocked.
Brief description of the drawings
Fig. 1 is a kind of schematic flow sheet of the detection method of Audio Players part provided in an embodiment of the present invention；
Fig. 2 is a kind of audio processing hardware system structure diagram of smart mobile phone provided in an embodiment of the present invention；
Fig. 3 is a kind of audio system block architecture diagram provided in an embodiment of the present invention；
Fig. 4 is a kind of schematic flow sheet of the detection method of loudspeaker provided in an embodiment of the present invention；
Fig. 5 is a kind of schematic flow sheet of the detection method of receiver provided in an embodiment of the present invention；
Fig. 6 is a kind of structured flowchart of the detection means of Audio Players part provided in an embodiment of the present invention；
Fig. 7 is a kind of structural representation of terminal provided in an embodiment of the present invention.
Embodiment
Further illustrate technical scheme below in conjunction with the accompanying drawings and by embodiment.It is appreciated that
It is that specific embodiment described herein is used only for explaining the present invention, rather than limitation of the invention.Further need exist for illustrating
, for the ease of description, part related to the present invention rather than entire infrastructure are illustrate only in accompanying drawing.
It should be mentioned that some exemplary embodiments are described as before exemplary embodiment is discussed in greater detail
The processing described as flow chart or method.Although each step is described as the processing of order, many of which by flow chart
Step can be implemented concurrently, concomitantly or simultaneously.In addition, the order of each step can be rearranged.When its operation
The processing can be terminated during completion, it is also possible to the additional step being not included in accompanying drawing.The processing can be with
Corresponding to method, function, code, subroutine, subprogram etc..
Fig. 1 is a kind of schematic flow sheet of the detection method of Audio Players part provided in an embodiment of the present invention, this method
It can be performed by the control device of screen display, wherein the device can be realized by software and/or hardware, can typically be integrated in terminal
In.As shown in figure 1, this method includes：
Step 101, when monitoring that Audio Players part detecting event is triggered, played with default level of sound volume by sound
Device plays preset audio file and controls microphone collecting sample audio signal.
Exemplary, the terminal in the embodiment of the present invention may include mobile phone, tablet personal computer, music player and recording pen
Equipment etc. microphone and Audio Players part is configured with.Microphone can be built-in or external.
Microphone (abbreviation mic, also known as microphone or microphone) is that a kind of energy that voice signal is converted to electric signal turns
Parallel operation part, after the vibration of sound is passed on the vibrating membrane of microphone, the magnet of the inside can be caused to form the current signal of change,
Call opposite end is transferred to after being handled by sound treatment circuit current signal or is stored, and then realizes call or record
Sound.The embodiment of the present invention is not limited the particular type of microphone, quantity and position, for example, for mobile phone, can
To be provided in one or more electret-type microphones of mobile phone downside.
Audio Players part in the embodiment of the present invention may include loudspeaker or receiver etc..The sounding of loudspeaker and receiver is former
Manage essentially identical, be all to convert electrical energy into mechanical energy, mechanical energy is converted into the process of acoustic energy, mainly former using electromagnetic induction
Reason.By taking loudspeaker as an example, during coil electricity in loudspeaker, its coil will produce magnetic field, in the magnetic field phase interaction with magnet
Under, coil will vibrate, and so as to drive vibration of membrane of shaking, vibrating diaphragm arranges air and realizes sounding.From above-mentioned principle of sound,
Loudspeaker or receiver, which need to arrange air, realizes sounding, then, will when the sounding position of loudspeaker or receiver has foreign matter
Sound is played and had an impact, broadcast sound volume is generally resulted in and diminishes.The embodiment of the present invention is the automatic detection work(that terminal is set up
Can, it can be come out when the sounding position of Audio Players part has foreign matter by terminal automatic detection.
Exemplary, the detecting event of Audio Players part can be triggered automatically by system, such as be pre-set in systems
The condition of Audio Players part detecting event, can be that prefixed time interval detects once when the condition can be starting up of terminal,
Can also be when receiving sound playing request etc.；Also it can be operated and triggered according to user, such as system setup menu in terminal
The option of middle increase triggering Audio Players part detecting event, when the user selects this option, Audio Players part detecting event
It is triggered.For different Audio Players parts, such as loudspeaker and receiver, loudspeaker detecting event corresponding to difference and receiver inspection
The trigger condition of survey event can be different.
For the ease of understanding the embodiment of the present invention, below to audio processing hardware system and system tray by taking smart mobile phone as an example
Structure is simply introduced.
Fig. 2 is a kind of audio processing hardware system structure diagram of smart mobile phone provided in an embodiment of the present invention.Audio
Process circuit is typically in main control board, because the design of different mobile phones is different, the particular location of audio frequency processing circuit
May be different.The audio frequency processing circuit of smart mobile phone mainly includes audio signal processing circuit, base band signal process circuit, audio
Power amplifier, earphone signal amplifier, receiver, loudspeaker, microphone and earphone interface etc..Wherein, Audio Signal Processing electricity
Road is the core of whole audio frequency processing circuit.Audio frequency processing circuit is mainly conversed electric by reception voicefrequency circuit, telecommunication circuit, earphone
Road etc. forms, and includes analog/digital (A/D) conversion, digital-to-analog (A/D) conversion, the audio digital signals processing of analogue audio frequency
And analogue audio frequency amplifying circuit etc..
In call, the mechanical acoustic signals of sound are converted into simulated audio signal by local side microphone of conversing first,
It is amplified by analogue audio frequency amplifying circuit, more weighted-voltage D/A converters through inside carry out A/D conversions, obtain digital audio and video signals；
Secondly this digital audio and video signals is sent to BBP, carries out the processing such as voice coding, channel coding；Be encrypted again,
A series of processing such as intertexture；The digital narrowband mode transfer block being finally sent in BBP is modulated, and produces transmitting baseband
Signal is sent into radio circuit and is modulated into emission medium-frequency, is sent to partner.When receiving calls, demodulated first from radio circuit
Go out to receive base-band information, be sent to inside BBP and carry out digital narrowband demodulation, isolate control signal and voice signal；Its
It is secondary a series of processing such as voice signal to be decrypted, deinterleaved, is recombinated, then carry out channel decoding, tone decoding；Finally
To pure audio digital signals, the more weighted-voltage D/A converters being sent into voice signal processor carry out D/A conversions；It is reduced into analogue audio frequency
After signal, by the interesting to listen to cylinder sounding of Audio power amplifier pusher.If selection is hands-free called, it is called that BBP then closes receiver
Amplifier, start hands-free called amplifier tube (ring amplifier tube) work, promotion loudspeaker sounding after audio signal power amplification.
It is similar with said process in recording, the mechanical acoustic signals of sound are converted into analog audio by microphone first
Frequency signal, it is amplified by analogue audio frequency amplifying circuit, digital audio and video signals is obtained after A/D is changed, according to default
Audio format is encoded and stored.In playback or other audio files, audio file is decoded to obtain numeral
Audio signal, simulated audio signal is reduced into after D/A is changed, promotion loudspeaker sounding after audio signal power amplification.
Preset audio file can be stored in the embodiment of the present invention in the terminal in advance, the preset audio file is broadcast
Put.Prestore audio file and default level of sound volume can be chosen by designer according to actual conditions, different sound is broadcast
Put preset audio file corresponding to device and/or default level of sound volume can be different, the embodiment of the present invention does not limit.Microphone
The audio signal of collection can be that the above-mentioned simulated audio signal converted by mechanical acoustic signals or process are put
Simulated audio signal after big, can also be digital audio and video signals after A/D is changed etc., can be according to the difference of signal form
Preparatory condition later in setting accordingly respectively, the embodiment of the present invention are not construed as limiting.In order to facilitate between terminal and user
Interaction, terminal can typically provide a user volume adjusting function, and user can use regulation volume knob or volume adjusting to enter
The degree mode such as bar is adjusted to the level of sound volume of terminal plays sound, and terminal adjusted according to user after level of sound volume to need
The audio signal to be played carries out corresponding enhanced processing, such as power amplification, to meet that user's listens to demand.Different terminals
In may be different to the partition strategy of level of sound volume, i.e., corresponding to the total quantity and each level of sound volume of specific level of sound volume
Volume all may be different, and the embodiment of the present invention is not construed as limiting.
As shown in figure 3, the audio system framework that the present embodiment provides mainly includes user's space, kernel spacing and hardware system
System.User's space includes application (Application) layer, application framework (Framework) layer and hardware abstraction layer (Hardware
Abstraction Layer, HAL), kernel spacing includes driving (Driver) layer,.Application layer is the superiors of audio system,
Corresponding logical operation, such as the application program of detection triggering recording event can be performed by writing an application program, in advance
Standard audio condition is first set, issues audio play instruction etc..Application framework layer includes Audio control interface and standardization plug-in unit
Module is responsible for providing audio broadcasting form control interface, and speaker volume size control interface etc..Application framework layer provides
AudioTrack and AudioRecorder two classes, and AudioManager, AudioService and AudioSystem
Class.Also include system operation storehouse (Libraries) layer between application framework layer and hardware abstraction layer.It is known that
Many classes of framework layers, actually simply application program uses " intermediary " of Android library files.Because upper strata
Write using general using java language, they need the support of most direct java interfaces, and here it is the presence of framework layers
One of meaning.And " intermediary " is used as, they can't really go to realize specific function, or only realize a part therein
Function, and main center of gravity is placed in storehouse to complete.Such as AudioTrack, AudioRecorder above,
MediaPlayer and MediaRecorder etc. can find corresponding class in storehouse.This partial code is put together at
In the frameworks/av/media/libmedia of engineering, majority is that C Plus Plus is write.Hardware abstraction layer in terms of audio
It is broadly divided into two parts, i.e. AudioFlinger and AudioPolicyService.Actually the latter is not one real
Equipment, manufacturer is simply allowed easily to customize out the strategy of oneself by the way of virtual unit.According to the difference of product,
There is very big difference in audio frequency apparatus, in Android audio framework, these problems are all by the audio.primary of HAL layers
Etc. solving, realize without on a large scale changing upper strata.Hardware abstraction layer is transition of the application framework layer to driving layer,
To realize the compatibility of bottom hardware.Driving layer controls it according to the characteristic of audio codec, it is ensured that audio coding decoding
Device can be with normal work, and the voice data that audio codec is got is supplied to system layer.Entering in the embodiment of the present invention
When row preset audio signal plays and sound below plays, the class of major design is above-mentioned AudioTrack classes；Entering
During row audio signal sample, the class related generally to is above-mentioned AudioRecorder classes.
Step 102, by the sample audio signal compared with preset audio signal.
Wherein, the preset audio signal is in the case of foreign matter is not present in the sounding position of the Audio Players part
The preset audio file and the audio signal collected by the microphone are played with the default level of sound volume.It is exemplary
, preset audio signal is recorded and stored before being dispatched from the factory by terminal, also can confirm the generation position of Audio Players part by user
Put and voluntarily record and store in the case of foreign matter is not present.Optionally, preset audio signal can be above-mentioned by mechanical sound wave
The simulated audio signal that signal converts or the simulated audio signal after enhanced processing, can also be by
Digital audio and video signals after A/D conversions etc., the embodiment of the present invention is not construed as limiting.In general, sample audio signal and preset audio
Signal is corresponding, i.e., when preset audio signal is the simulated audio signal converted by mechanical acoustic signals, sample audio
Signal is also the simulated audio signal converted by mechanical acoustic signals；When preset audio signal is after enhanced processing
During simulated audio signal, sample audio signal is also the simulated audio signal after enhanced processing, and enhanced processing mode phase
Together, multiplication factor is identical.Simulated audio signal after enhanced processing, which is compared, to be advantageous in that, can be more convenient to compare
Compared with both difference.
From the foregoing, it can be understood that loudspeaker or receiver need to arrange air and realize sounding, when the sounding position of loudspeaker or receiver
When foreign matter be present, generally result in corresponding broadcast sound volume and diminish.If the sounding position of loudspeaker has foreign matter, by raising one's voice
Broadcast sound volume can diminish compared to the situation in the absence of foreign matter when device plays preset audio signal, therefore the sample that microphone collects
Sound size corresponding to this audio signal can also diminish compared to the situation in the absence of foreign matter.Similarly, if the sounding position of receiver
When foreign matter be present, broadcast sound volume can diminish compared to the situation in the absence of foreign matter when playing preset audio signal by receiver, because
Sound size corresponding to the sample audio signal that this microphone collects can also diminish compared to the situation in the absence of foreign matter.Cause
This, can be by sample audio signal compared with preset audio signal, so as to judge whether foreign matter according to comparative result.
Three underlying attributes of sound are volume, tone and tone color.Wherein, volume is also known as loudness or loudness of a sound, refers to human ear
The subjective feeling strong and weak to the sound size heard, its objective evaluation yardstick is the amplitude size of sound.Amplitude refers to object shake
Deviate the ultimate range of origin-location during dynamic, the loudness for the sound that human ear is heard is related to the amplitude of source of sound, general amplitude
Bigger loudness is stronger.
Step 103, determine when comparative result meets preparatory condition the Audio Players part sounding position exist it is different
Thing.
Exemplary, preparatory condition can be determined by testing or emulating.Due to the presence of playing environment difference, may lead
Cause sample audio signal and preset audio signal incomplete same, and both differences when being in certain preset range, can recognize
To there is currently no foreign matter, and when both differences exceed the preset range, it is believed that the sounding position presence of Audio Players part
Foreign matter.
The detection method of the Audio Players part provided in the embodiment of the present invention, monitor Audio Players part detecting event
When being triggered, preset audio file is played by Audio Players part with default level of sound volume and controls microphone collecting sample sound
Frequency signal, by sample audio signal compared with preset audio signal, sound is determined when comparative result meets preparatory condition
Foreign matter be present in the sounding position for playing device.By using above-mentioned technical proposal, terminal can automatic detection go out loudspeaker or listen
The Audio Players parts such as cylinder enrich the function of terminal by foreign matters from being blocked.
In certain embodiments, before by the sample audio signal compared with preset audio signal, in addition to：
Denoising is carried out to the sample audio signal, to filter out interference of the noise of playing environment to the sample audio signal.
In the embodiment of the present invention, the sound unrelated with the sound in preset audio file can be considered to the noise of playing environment, example
Such as, when playing preset audio file, side someone speaks up, or has car to blow a whistle, these all can compared result make
Into very big interference, so, above-mentioned optimization is advantageous in that, improves the degree of accuracy for determining whether to have foreign matter, prevents to miss
Situation about sentencing.
In certain embodiments, can will corresponding same preset period of time the sample audio signal the first sound intensity with
The second sound loudness of preset audio signal is compared, to obtain sound intensity comparative result.Optionally, first sound
Loudness includes the mean value of amplitude of the sample audio signal in the preset period of time, and the second sound loudness includes described
The mean value of amplitude of preset audio signal in preset period of time.Due to the broadcasting of preset audio file and the audio letter of microphone
Number collection is carried out simultaneously, so, sample audio signal sound-content corresponding with preset audio signal be it is essentially identical,
The sounding position that the sound intensity of two audio signals of corresponding same preset period of time can be used in weighing Audio Players part is
It is no foreign matter to be present.Starting point, duration and the quantity of preset period of time can be configured according to the characteristics of preset audio file, the present invention
Embodiment does not limit.For example, it may be the 5th second to the 15th second that starts to record is preset period of time, it can also be and start to record
Start within the 5th second, the period of a length of 1 second is a preset period of time when next each.
In certain embodiments, the sounding that the Audio Players part is determined when comparative result meets preparatory condition
Foreign matter be present in position, including：It is less than the rising tone when the sound intensity comparative result includes first sound intensity
During the product of sonority and preset ratio value, determine that the sounding position of the Audio Players part has foreign matter.Exemplary, in advance
If ratio value can be set according to the actual requirements, 1 is may be typically less than, such as 0.9, certainly, it can also be equal to 1.
In certain embodiments, it is more than or equal to when the sound intensity comparative result includes first sound intensity
During the product of the second sound loudness and preset ratio value, determine the sounding position of the Audio Players part in the absence of different
Thing.
In certain embodiments, after foreign matter being present in the sounding position for determining the Audio Players part, also wrap
Include：When monitoring sound broadcast event, currently playing mode is adjusted, to improve broadcast sound volume.When foreign matter be present, broadcast
The sound put can diminish, and influence listening to for user, so can be adjusted to currently playing mode, to improve broadcast sound volume.Show
Example property, there can be many kinds to the embodiment that currently playing mode is adjusted, the embodiment of the present invention does not limit,
Several ways given below are illustratively.The first, is believed the analogue audio frequency that needs play by adjusting hardware gain
Number carry out gain lifting regulation, improve multiplication factor, so as to improve broadcast sound volume；Second, the voice data that needs are played
Handled, predetermined coefficient such as is multiplied by voice data, such as 1.2, believe so as to lift analogue audio frequency corresponding to digital audio and video signals
Number amplitude, so as to improve broadcast sound volume；The third, carries out sound by the Audio Players part with target volume grade and broadcasts
Put, wherein, the target volume grade is higher than the arranges value of current volume level, for example, the arranges value of current volume level is
5, sound broadcasting can be carried out with target volume grade 7, the embodiment of the present invention is not made specifically to the determination mode of target volume grade
Limit.Wherein, the third mode is advantageous in that, adjustment mode simple and fast, fast response time, and the audio to needing to play
Influence itself is smaller, avoids distortion.
In certain embodiments, after foreign matter being present in the sounding position for determining the Audio Players part, also wrap
Include：According to product level of sound volume adjusted value corresponding with the first sound intensity determination；It is described with target volume grade
Sound broadcasting is carried out by the Audio Players part, including：According to the arranges value of current volume level and the level of sound volume
Adjusted value determines target volume grade；Sound broadcasting is carried out by the Audio Players part with the target volume grade.Show
Example property, can be according to product level of sound volume adjusted value corresponding with the difference determination of the first sound intensity, terminal can be advance
Store the corresponding relation of different differences and level of sound volume adjusted value；Also can be true according to the product and the business of the first sound intensity
Level of sound volume adjusted value, terminal can prestore the corresponding relation of different business and level of sound volume adjusted value corresponding to fixed.
In certain embodiments, after foreign matter being present in the sounding position for determining the Audio Players part, also wrap
Include：The Audio Players part is controlled to produce ultrasonic wave.So setting is advantageous in that, can be automatically to existing for sounding position
Foreign matter is purged.Optionally, after ultrasonic wave is produced, preset audio file can be played again, and performs above-mentioned related behaviour
Make, judge whether foreign matter has been eliminated.
Fig. 4 is a kind of schematic flow sheet of the detection method of loudspeaker provided in an embodiment of the present invention, and this method includes：
Step 401, when monitoring that loudspeaker detecting event is triggered, played with default level of sound volume a by loudspeaker pre-
If audio file simultaneously controls microphone collecting sample audio signal.
It is understood that loudspeaker therein may be replaced by the Audio Players part such as receiver.
Step 402, the first sound intensity A and preset audio signal by the sample audio signal of corresponding same preset period of time
Second sound loudness B be compared, to obtain sound intensity comparative result.
Step 403, judge whether A is less than kB, if so, then performing step 404；Otherwise, flow is terminated.
Step 404, determine that the sounding position of loudspeaker has foreign matter.
Step 405, the level of sound volume adjusted value b according to corresponding to being determined kB-A.
Step 406, according to the arranges value c and b of current volume level determine that target volume grade is d=c+b.
Step 407, with target volume grade d pass through loudspeaker carry out sound broadcasting.
The detection method of loudspeaker provided in an embodiment of the present invention, can automatic detection go out loudspeaker sounding position whether
Foreign matter being present, and when foreign matter be present, lift level of sound volume, ensureing that played sound will not be because foreign matter be present and by shadow
Ring.
Fig. 5 is a kind of schematic flow sheet of the detection method of receiver provided in an embodiment of the present invention, and this method includes：
Step 501, when monitoring that receiver detecting event is triggered, played with default level of sound volume e by loudspeaker default
Audio file simultaneously controls microphone collecting sample audio signal.
It is understood that receiver therein may be replaced by the Audio Players part such as loudspeaker.
Step 502, denoising is carried out to the sample audio signal, to filter out the noise of playing environment to the sample
The interference of audio signal.
Step 503, the first sound intensity C and preset audio signal by the sample audio signal of corresponding same preset period of time
Second sound loudness D be compared, to obtain sound intensity comparative result.
Step 504, judge whether C is less than yD, if so, then performing step 505；Otherwise, flow is terminated.
Step 505, determine that the sounding position of receiver has foreign matter.
Step 506, the level of sound volume adjusted value f according to corresponding to being determined yB/A.
Step 507, after determining that according to the arranges value g and f of current volume level product that target volume grade is g*f rounds
H.
Step 508, with target volume grade h pass through receiver carry out sound broadcasting.
The detection method of receiver provided in an embodiment of the present invention, can automatic detection go out the sounding position of receiver and whether there is
Foreign matter, and when foreign matter be present, level of sound volume is lifted, when ensureing that user's using terminal is conversed with other people, the call pair heard
The size of end sound will not be affected because foreign matter be present.
Fig. 6 is a kind of structured flowchart of the detection means of Audio Players part provided in an embodiment of the present invention, and the device can
Realized, be typically integrated in terminal by software and/or hardware, can be by performing the detection method of Audio Players part come to sound
The foreign matter situation for playing device sounding position is detected.As shown in fig. 6, the device includes：
Play control module 601, for when monitoring that Audio Players part detecting event is triggered, with default volume etc.
Level plays preset audio file by Audio Players part；
Audio collection control module 602, for playing preset audio by Audio Players part with default level of sound volume
Microphone collecting sample audio signal is controlled while file；
Signal comparison module 603, for by the sample audio signal compared with preset audio signal, wherein, institute
It is with the default volume in the case of foreign matter is not present in the sounding position of the Audio Players part to state preset audio signal
Grade plays the preset audio file and the audio signal collected by the microphone；
Foreign matter determination module 604, for determining the hair of the Audio Players part when comparative result meets preparatory condition
Foreign matter be present in sound position.
The detection means of Audio Players part provided in an embodiment of the present invention, monitor Audio Players part detecting event quilt
During triggering, preset audio file is played by Audio Players part with default level of sound volume and controls microphone collecting sample audio
Signal, by sample audio signal compared with preset audio signal, determine that sound is broadcast when comparative result meets preparatory condition
Foreign matter be present in the sounding position for putting device.By using above-mentioned technical proposal, terminal can automatic detection go out loudspeaker or receiver
Deng Audio Players part by foreign matters from being blocked, the function of terminal is enriched.
Optionally, the device may also include denoising module, for by the sample audio signal and preset audio signal
Before being compared, denoising is carried out to the sample audio signal, to filter out the noise of playing environment to the sample sound
The interference of frequency signal.
Optionally, it is described by the sample audio signal compared with preset audio signal, including：
Will corresponding same preset period of time the sample audio signal the first sound intensity and preset audio signal the
Two sound intensities are compared, to obtain sound intensity comparative result.
Optionally, the sounding position that the Audio Players part is determined when comparative result meets preparatory condition is present
Foreign matter, including：
When the sound intensity comparative result include first sound intensity less than the second sound loudness with it is pre-
If during the product of ratio value, determine that the sounding position of the Audio Players part has foreign matter.
Optionally, the device may also include broadcasting adjusting module, in the hair for determining the Audio Players part
After sound position has foreign matter, when monitoring sound broadcast event, currently playing mode is adjusted, to improve broadcasting sound
Amount.
Optionally, it is described that currently playing mode is adjusted, including：
Sound broadcasting is carried out by the Audio Players part with target volume grade, wherein, the target volume grade
Higher than the arranges value of current volume level.
Optionally, the device may also include adjusted value determining module, in the determination Audio Players part
After sounding position has foreign matter, according to product level of sound volume adjusted value corresponding with the first sound intensity determination；
It is described that sound broadcasting is carried out by the Audio Players part with target volume grade, including：
Target volume grade is determined according to the arranges value of current volume level and the level of sound volume adjusted value；
Sound broadcasting is carried out by the Audio Players part with the target volume grade.
The embodiment of the present invention also provides a kind of storage medium for including computer executable instructions, and the computer can perform
Instruction is used to perform a kind of reminding method when being performed by computer processor, and this method includes：
When monitoring that Audio Players part detecting event is triggered, played with default level of sound volume by Audio Players part
Preset audio file simultaneously controls microphone collecting sample audio signal；
By the sample audio signal compared with preset audio signal, wherein, the preset audio signal is in institute
The sounding position for stating Audio Players part plays the preset audio in the absence of in the case of foreign matter with the default level of sound volume
File and the audio signal collected by the microphone；
Determine that the sounding position of the Audio Players part has foreign matter when comparative result meets preparatory condition.
Storage medium --- any various types of memory devices or storage device.Term " storage medium " is intended to wrap
Include：Install medium, such as CD-ROM, floppy disk or magnetic tape equipment；Computer system memory or random access memory, such as
DRAM, DDR RAM, SRAM, EDO RAM, blue Bath (Rambus) RAM etc.；Nonvolatile memory, such as flash memory, magnetizing mediums
(such as hard disk or optical storage)；Memory component of register or other similar types etc..Storage medium can also include other
The memory of type or its combination.In addition, storage medium can be located at program in the first computer system being wherein performed,
Or can be located in different second computer systems, second computer system is connected to the by network (such as internet)
One computer system.Second computer system can provide programmed instruction and be used to perform to the first computer." storage is situated between term
Matter " can include may reside within diverse location two of (such as in different computer systems by network connection) or
More storage mediums.Storage medium can store the programmed instruction that can be performed by one or more processors and (such as implement
For computer program).
Certainly, a kind of storage medium for including computer executable instructions that the embodiment of the present invention is provided, its computer
The detection operation for the Audio Players part that executable instruction is not limited to the described above, can also carry out any embodiment institute of the present invention
Associative operation in the detection method of the Audio Players part of offer.
The embodiments of the invention provide a kind of terminal, Audio Players provided in an embodiment of the present invention can be integrated in the terminal
The detection means of part.Fig. 7 is a kind of structural representation of terminal provided in an embodiment of the present invention.The terminal for example can be mobile
Terminal, as shown in fig. 7, the terminal can include：Housing (not shown), memory 701, central processing unit (Central
Processing Unit, CPU) 702 (also known as processor, hereinafter referred to as CPU), circuit board (not shown), power circuit
(not shown), microphone 713 and Audio Players part (loudspeaker 711 in such as figure).The circuit board is placed in described
The interior volume that housing surrounds；The CPU702 and the memory 701 are arranged on the circuit board；The power circuit,
For each circuit or the device power supply for the terminal；The memory 701, for storing executable program code；It is described
CPU702 is run and the executable program code pair by reading the executable program code stored in the memory 701
The computer program answered, to realize following steps：
When monitoring that Audio Players part detecting event is triggered, played with default level of sound volume by Audio Players part
Preset audio file simultaneously controls microphone collecting sample audio signal；
By the sample audio signal compared with preset audio signal, wherein, the preset audio signal is in institute
The sounding position for stating Audio Players part plays the preset audio in the absence of in the case of foreign matter with the default level of sound volume
File and the audio signal collected by the microphone；
Determine that the sounding position of the Audio Players part has foreign matter when comparative result meets preparatory condition.
The terminal also includes：Peripheral Interface 703, RF (Radio Frequency, radio frequency) circuit 705, voicefrequency circuit
706th, loudspeaker 711, power management chip 708, input/output (I/O) subsystem other input/control devicess, touch-screen
712nd, other input/control devicess 710 and outside port 704, these parts pass through one or more communication bus or signal
Line 707 communicates.
It should be understood that graphic terminal 700 is only an example of terminal, and terminal 700 can have than figure
Shown in more or less parts, two or more parts can be combined, or can have different portions
Part configures.Various parts shown in figure can be including one or more signal transactings and/or application specific integrated circuit
Hardware, software or hardware and software combination in realize.
Below with regard to the present embodiment provide be used for prompt the terminal of user to be described in detail, the terminal using mobile phone as
Example.
Memory 701, the memory 701 can be accessed by CPU702, Peripheral Interface 703 etc., and the memory 701 can
Including high-speed random access memory, can also include nonvolatile memory, such as one or more disk memories,
Flush memory device or other volatile solid-state parts.
The input of equipment and output peripheral hardware can be connected to CPU702 and deposited by Peripheral Interface 703, the Peripheral Interface 703
Reservoir 701.
I/O subsystems 709, the I/O subsystems 709 can be by the input/output peripherals in equipment, such as touch-screen 712
With other input/control devicess 710, Peripheral Interface 703 is connected to.I/O subsystems 709 can include the He of display controller 7091
For controlling one or more input controllers 7092 of other input/control devicess 710.Wherein, one or more input controls
Device 7092 processed receives electric signal from other input/control devicess 710 or sends electric signal to other input/control devicess 710,
Other input/control devicess 710 can include physical button (pressing button, rocker buttons etc.), dial, slide switch, behaviour
Vertical pole, click on roller.What deserves to be explained is input controller 7092 can with it is following any one be connected：Keyboard, infrared port,
The instruction equipment of USB interface and such as mouse.
Touch-screen 712, the touch-screen 712 are the input interface and output interface between customer mobile terminal and user,
Visual output display can be included into figure, text, icon, video etc. to user, visual output.
Display controller 7091 in I/O subsystems 709 receives electric signal from touch-screen 712 or sent out to touch-screen 712
Electric signals.Touch-screen 712 detects the contact on touch-screen, and the contact detected is converted to and shown by display controller 7091
The interaction of user interface object on touch-screen 712, that is, realize man-machine interaction, the user interface being shown on touch-screen 712
Icon that object can be the icon of running game, be networked to corresponding network etc..What deserves to be explained is equipment can also include light
Mouse, light mouse is not show the touch sensitive surface visually exported, or the extension of the touch sensitive surface formed by touch-screen.
RF circuits 705, it is mainly used in establishing the communication of mobile phone and wireless network (i.e. network side), realizes mobile phone and wireless network
The data receiver of network and transmission.Such as transmitting-receiving short message, Email etc..Specifically, RF circuits 705 receive and send RF letters
Number, RF signals are also referred to as electromagnetic signal, and RF circuits 705 convert electrical signals to electromagnetic signal or electromagnetic signal is converted into telecommunications
Number, and communicated by the electromagnetic signal with communication network and other equipment.RF circuits 705 can include being used to perform
The known circuit of these functions, it includes but is not limited to antenna system, RF transceivers, one or more amplifiers, tuner, one
Individual or multiple oscillators, digital signal processor, CODEC (COder-DECoder, coder) chipset, user identify mould
Block (Subscriber Identity Module, SIM) etc..
Voicefrequency circuit 706, it is mainly used in receiving voice data from Peripheral Interface 703, the voice data is converted into telecommunications
Number, and the electric signal is sent to loudspeaker 711.
Loudspeaker 711, for the voice signal for receiving mobile phone from wireless network by RF circuits 705, it is reduced to sound
And play the sound to user.
Power management chip 708, the hardware for being connected by CPU702, I/O subsystem and Peripheral Interface are powered
And power management.
Terminal provided in an embodiment of the present invention, can automatic detection go out the Audio Players part such as loudspeaker or receiver by foreign matter
Block, enrich the function of terminal.
The detection means and terminal of the Audio Players part provided in above-described embodiment can perform any embodiment of the present invention
The detection method of the Audio Players part provided, possess and perform the corresponding functional module of this method and beneficial effect.Not upper
The ins and outs of detailed description in embodiment are stated, reference can be made to the detection for the Audio Players part that any embodiment of the present invention is provided
Method.
Pay attention to, above are only presently preferred embodiments of the present invention and institute's application technology principle.It will be appreciated by those skilled in the art that
The invention is not restricted to specific embodiment described here, can carry out for a person skilled in the art various obvious changes,
Readjust and substitute without departing from protection scope of the present invention.Therefore, although being carried out by above example to the present invention
It is described in further detail, but the present invention is not limited only to above example, without departing from the inventive concept, also
Other more equivalent embodiments can be included, and the scope of the present invention is determined by scope of the appended claims.
Claims (10)
- A kind of 1. detection method of Audio Players part, it is characterised in that including：When monitoring that Audio Players part detecting event is triggered, played and preset by Audio Players part with default level of sound volume Audio file simultaneously controls microphone collecting sample audio signal；By the sample audio signal compared with preset audio signal, wherein, the preset audio signal is in the sound The sounding position of sound player part plays the preset audio file in the absence of in the case of foreign matter with the default level of sound volume And the audio signal collected by the microphone；Determine that the sounding position of the Audio Players part has foreign matter when comparative result meets preparatory condition.
- 2. according to the method for claim 1, it is characterised in that entering the sample audio signal with preset audio signal Before row compares, in addition to：Denoising is carried out to the sample audio signal, the sample audio signal done with filtering out the noise of playing environment Disturb.
- 3. method according to claim 1 or 2, it is characterised in that described by the sample audio signal and preset audio Signal is compared, including：By the first sound intensity of the sample audio signal and the rising tone of preset audio signal of corresponding same preset period of time Sonority is compared, to obtain sound intensity comparative result.
- 4. according to the method for claim 3, it is characterised in that it is described when comparative result meets preparatory condition determine described in Foreign matter be present in the sounding position of Audio Players part, including：When the sound intensity comparative result includes first sound intensity less than the second sound loudness and default ratio During the product of example value, determine that the sounding position of the Audio Players part has foreign matter.
- 5. according to the method for claim 4, it is characterised in that in the sounding position for determining the Audio Players part After foreign matter being present, in addition to：When monitoring sound broadcast event, currently playing mode is adjusted, to improve broadcast sound volume.
- 6. according to the method for claim 5, it is characterised in that it is described that currently playing mode is adjusted, including：Sound broadcasting is carried out by the Audio Players part with target volume grade, wherein, the target volume grade is higher than The arranges value of current volume level.
- 7. according to the method for claim 6, it is characterised in that in the sounding position for determining the Audio Players part After foreign matter being present, in addition to：According to product level of sound volume adjusted value corresponding with the first sound intensity determination；It is described that sound broadcasting is carried out by the Audio Players part with target volume grade, including：Target volume grade is determined according to the arranges value of current volume level and the level of sound volume adjusted value；Sound broadcasting is carried out by the Audio Players part with the target volume grade.
- A kind of 8. detection means of Audio Players part, it is characterised in that including：Play control module, for when monitoring that Audio Players part detecting event is triggered, being passed through with default level of sound volume Audio Players part plays preset audio file；Audio collection control module, for playing the same of preset audio file by Audio Players part to preset level of sound volume When control microphone collecting sample audio signal；Signal comparison module, for by the sample audio signal compared with preset audio signal, wherein, the default sound Frequency signal is to be played in the case of foreign matter is not present in the sounding position of the Audio Players part with the default level of sound volume The preset audio file and the audio signal collected by the microphone；Foreign matter determination module, for determining that the sounding position of the Audio Players part is deposited when comparative result meets preparatory condition In foreign matter.
- 9. a kind of computer-readable recording medium, is stored thereon with computer program, it is characterised in that the program is held by processor The detection means of the Audio Players part as described in any in claim 1-7 is realized during row.
- 10. a kind of terminal, it is characterised in that including microphone, Audio Players part, memory and is stored in storage at processor And can be in the computer program of processor operation on device, it is characterised in that real during computer program described in the computing device The now detection means of the Audio Players part as described in claim 1-7 is any.
Priority Applications (2)
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| CN201710710680.XA CN107509153B (en) | 2017-08-18 | 2017-08-18 | Detection method and device of sound playing device, storage medium and terminal |
| PCT/CN2018/099660 WO2019033986A1 (en) | 2017-08-18 | 2018-08-09 | Sound playback device detection method, apparatus, storage medium, and terminal |
Applications Claiming Priority (1)
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| CN201710710680.XA CN107509153B (en) | 2017-08-18 | 2017-08-18 | Detection method and device of sound playing device, storage medium and terminal |
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| CN116866809A (en) * | 2023-07-18 | 2023-10-10 | 广东保伦电子股份有限公司 | Audio playing equipment fault detection method |
| CN116866809B (en) * | 2023-07-18 | 2024-02-09 | 广东保伦电子股份有限公司 | Audio playing equipment fault detection method |
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| WO2019033986A1 (en) | 2019-02-21 |
| CN107509153B (en) | 2020-01-14 |
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