CN106790956A - Mobile terminal and sound processing method - Google Patents
Mobile terminal and sound processing method Download PDFInfo
- Publication number
- CN106790956A CN106790956A CN201611222624.3A CN201611222624A CN106790956A CN 106790956 A CN106790956 A CN 106790956A CN 201611222624 A CN201611222624 A CN 201611222624A CN 106790956 A CN106790956 A CN 106790956A
- Authority
- CN
- China
- Prior art keywords
- level signal
- audio
- converted
- mobile terminal
- electrical level
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/68—Circuit arrangements for preventing eavesdropping
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Telephone Function (AREA)
Abstract
The invention discloses a kind of mobile terminal, including sound sensor module, for obtaining the first audio in environment；It is additionally operable to for first audio to be converted to the first level signal；Polarity of voltage reversal block, for first level signal to be converted into opposite polarity second electrical level signal；Acoustic emission module, export after the second audio for the second electrical level signal to be converted to.The invention also discloses a kind of sound processing method.When sound processing method of the invention is applied in the telephone operation of mobile terminal, it is used as after the first audio processed by the user's voice gathered in environment, the second opposite audio of output polarity offsets user's voice, enables to the telephone operation of mobile terminal more safe and efficient.
Description
Technical field
The present invention relates to technical field of mobile terminals, and in particular to a kind of mobile terminal and sound processing method.
Background technology
With the universalness of the mobile terminals such as mobile phone, the quantity of user is more and more.During user's use, generally
Can run under more spacious or quiet use environment, user is because secret talk will be carried out, it has to which selection is left current
Position suppresses the situation of itself talk volume, more inconvenience.Additionally, as shown in figure 1, the dialog context of user is also easily by him
People hears there is certain safety problem.
The content of the invention
The present invention provides a kind of mobile terminal and sound processing method, it is intended to so that the telephone operation of mobile terminal is more pacified
It is complete convenient.
For achieving the above object, the present invention provides a kind of mobile terminal, and the mobile terminal includes：
Sound sensor module, for obtaining the first audio in environment；It is additionally operable to for first audio to be converted to first
Level signal；
Polarity of voltage reversal block, for first level signal to be converted into opposite polarity second electrical level signal；
Acoustic emission module, export after the second audio for the second electrical level signal to be converted to.
Alternatively, the mobile terminal also includes voltage comparison module and Voltage Feedback compensating module, wherein,
The voltage comparison module is used to be compared the second electrical level signal with first level signal, to sentence
Whether the second electrical level signal that breaks can cancel out each other with first level signal；
The Voltage Feedback compensating module is used for cannot phase with first level signal in the second electrical level signal
When mutually offsetting, the second electrical level signal is compensated according to the comparative result；
After the acoustic emission module is additionally operable to for the second electrical level signal after the compensation to be converted to the second audio signal
Output.
Alternatively, the sound sensor module is additionally operable to for first audio for obtaining to be converted to three level signal；
Be additionally operable to be compared the three level signal with default 4th level signal, and carry out detection and frequency-division section filtering after
Obtain first level signal.
Alternatively, the sound sensor module is additionally operable to based on the first sound in default environment measuring parameter acquiring environment
Frequently；
The acoustic emission module is additionally operable to change the second electrical level signal based on the default environment measuring parameter
To be exported after the second audio.
Alternatively, the mobile terminal, also includes：
Position module, for whether current being located in preset position area to be judged based on current positional information；
The sound sensor module is additionally operable to when outside being currently located at preset position area, obtain the first sound in environment
Frequently.
Additionally, for achieving the above object, the present invention also provides a kind of sound processing method, the sound processing method bag
Include following steps：
Obtain the first audio in environment；
First audio is converted into the first level signal；
First level signal is converted into opposite polarity second electrical level signal；
Exported after the second electrical level signal is converted into the second audio.
Alternatively, it is described the second electrical level signal is converted into the step of exporting after the second audio signal before, also wrap
Include：
The second electrical level signal is compared with first level signal, with judge the second electrical level signal with
Whether first level signal can cancel out each other；
If the second electrical level signal cannot cancel out each other with first level signal, according to the comparative result
The second electrical level signal is compensated；
It is described that the second electrical level signal being converted into the step of export after the second audio signal, including：
Exported after second electrical level signal after the compensation is converted into the second audio signal.
Alternatively, it is described to include the step of first audio is converted into the first level signal：
First audio for obtaining is converted into three level signal；
The three level signal is compared with default 4th level signal, and carries out detection and frequency-division section filtering
After obtain first level signal.
Alternatively, first audio obtained in environment includes：
Based on the first audio in default environment measuring parameter acquiring environment；
It is described the second electrical level signal to be converted to export after the second audio include：
Exported after the second electrical level signal is converted into the second audio based on the default environment measuring parameter.
Alternatively, it is described obtain environment in the first audio the step of before, also include：
Whether current being located in preset position area is judged based on current positional information；
When outside being currently located at preset position area, the step of performing the first audio in the acquisition environment is transferred to.
Mobile terminal proposed by the present invention and sound processing method, when being applied in telephone operation, by gathering environment
In user's voice processed as the first audio after, the second opposite audio of output polarity, so it is easy to understand that polarity phase
Anti- voice signal will be cancelled out each other, and the purpose for suppressing user's own voice volume is reached with this, and be left without user residing
Position, sound source is blocked with hand or is lowered one's voice, enable to the telephone operation more safe and convenient of mobile terminal.
Brief description of the drawings
Fig. 1 is a kind of call schematic diagram of a scenario；
Fig. 2 is a hardware architecture diagram for mobile terminal for realizing each embodiment of the invention；
Fig. 3 is the module diagram of mobile terminal first embodiment of the present invention；
Fig. 4 is secret communication effect schematic diagram in first embodiment of the invention；
Fig. 5 is the setting exemplary plot of preset position area in third embodiment of the invention；
Fig. 6 is the schematic flow sheet of sound processing method first embodiment of the present invention.
Specific embodiment
It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, it is not intended to limit the present invention.
It should be noted that in the case where not conflicting, the embodiment in the present invention and the feature in embodiment mutually can be tied arbitrarily
Close.
The mobile terminal of each embodiment of the invention is realized referring now to Description of Drawings.In follow-up description, use
For represent element such as " module ", " part " or " unit " suffix only for being conducive to explanation of the invention, itself
Not specific meaning.Therefore, " module " can be used mixedly with " part ".
Mobile terminal can be implemented in a variety of manners.For example, the mobile terminal described in the present invention can be included such as
Mobile phone, smart phone, notebook computer, digit broadcasting receiver, PDA (personal digital assistant), PAD (panel computer),
PMP (portable media player), guider etc., it will be appreciated by those skilled in the art that except being used in particular for movement
Outside the element of purpose, construction according to the embodiment of the present invention can also apply to the terminal of fixed type.
Fig. 2 is the hardware architecture diagram for realizing the optional mobile terminal of each embodiment one of the invention.
Mobile terminal 1 00 can include wireless communication unit 110, A/V (audio/video) input block 120, user input
Unit 130, sensing unit 140, output unit 150, memory 160, interface unit 170, controller 180 and power subsystem 190
Etc..Fig. 2 shows the mobile terminal with various assemblies, it should be understood that being not required for implementing all groups for showing
Part.More or less component can alternatively be implemented.The element of mobile terminal will be discussed in more detail below.
Wireless communication unit 110 generally includes one or more assemblies, and it allows mobile terminal 1 00 and wireless communication system
Or the radio communication between network.For example, wireless communication unit can include mobile communication module 111, wireless Internet mould
At least one of block 112 and short-distance wireless communication module 113.
Mobile communication module 111 sends radio signals to base station (for example, access point, node B etc.), exterior terminal
And at least one of server and/or receive from it radio signal.Such radio signal can be logical including voice
Words signal, video calling signal or the various types of data for sending and/or receiving according to text and/or Multimedia Message.
Wireless Internet module 112 supports the Wi-Fi (Wireless Internet Access) of mobile terminal.The module can be internally or externally
It is couple to terminal.Wi-Fi (Wireless Internet Access) technology involved by the module can include Wibro (WiMAX), the Wimax (whole world
Microwave interconnecting is accessed), HSDPA (high-speed downlink packet access) etc..
Short-distance wireless communication module 113 is the module for supporting junction service.Some example bags of short-range communication technology
Include WLAN (WLAN) (Wi-Fi), bluetoothTM, it is radio frequency identification (RFID), Infrared Data Association (IrDA), ultra wide band (UWB), purple
HoneybeeTMAnd near-field communication (NFC) etc..
A/V input blocks 120 are used to receive audio or video signal.A/V input blocks 120 can include the He of camera 121
Microphone 122, the static images that 121 pairs, camera is obtained in Video Capture pattern or image capture mode by image capture apparatus
Or the view data of video is processed.Picture frame after treatment may be displayed on display unit 151.Processed through camera 121
Picture frame afterwards can be stored in memory 160 (or other storage mediums) or sent out via wireless communication unit 110
Send, two or more cameras 121 can be provided according to the construction of mobile terminal.Microphone 122 can be in telephone calling model, note
Sound (voice data) is received via microphone in record pattern, speech recognition mode etc. operational mode, and can be by so
Acoustic processing be voice data.Audio (voice) data after treatment can be converted in the case of telephone calling model can
The form for being sent to mobile communication base station via mobile communication module 112 is exported.Microphone 122 can implement various types of making an uproar
Sound eliminates (or suppression) algorithm to eliminate the noise or dry that (or suppression) produces during reception and transmission audio signal
Disturb.
User input unit 130 can generate key input data to control each of mobile terminal according to the order of user input
Plant operation.User input unit 130 allows the various types of information of user input, and can include keyboard, metal dome, touch
Plate (for example, detection due to being touched caused by resistance, pressure, electric capacity etc. change sensitive component), roller, rocking bar etc.
Deng.Especially, when touch pad is superimposed upon on display unit 151 in the form of layer, touch-screen can be formed.
Sensing unit 140 detects the current state of mobile terminal 1 00, (for example, mobile terminal 1 00 opens or closes shape
State), the presence or absence of the contact (that is, touch input) of the position of mobile terminal 1 00, user for mobile terminal 1 00, mobile terminal
The acceleration or deceleration movement of 100 orientation, mobile terminal 1 00 and direction etc., and generate for controlling mobile terminal 1 00
The order of operation or signal.For example, when mobile terminal 1 00 is embodied as sliding-type mobile phone, sensing unit 140 can be sensed
The sliding-type phone is opened or closed.In addition, sensing unit 140 can detect power subsystem 190 whether provide electric power or
Whether person's interface unit 170 couples with external device (ED).
Interface unit 170 is connected the interface that can pass through with mobile terminal 1 00 as at least one external device (ED).For example,
External device (ED) can include wired or wireless head-band earphone port, external power source (or battery charger) port, wired or nothing
Line FPDP, memory card port, the port for connecting the device with identification module, audio input/output (I/O) end
Mouth, video i/o port, ear port etc..Identification module can be that storage uses each of mobile terminal 1 00 for verifying user
Kind of information and subscriber identification module (UIM), client identification module (SIM), Universal Subscriber identification module (USIM) can be included
Etc..In addition, the device (hereinafter referred to as " identifying device ") with identification module can take the form of smart card, therefore, know
Other device can be connected via port or other attachment means with mobile terminal 1 00.Interface unit 170 can be used for reception and come from
The input (for example, data message, electric power etc.) of the external device (ED) and input that will be received is transferred in mobile terminal 1 00
One or more elements can be used for transmitting data between mobile terminal and external device (ED).
In addition, when mobile terminal 1 00 is connected with external base, interface unit 170 can serve as allowing by it by electricity
Power provides to the path of mobile terminal 1 00 from base or can serve as allowing the various command signals being input into from base to pass through it
It is transferred to the path of mobile terminal.Be can serve as recognizing that mobile terminal is from the various command signals or electric power of base input
The no signal being accurately fitted within base.Output unit 150 is configured to provide defeated with vision, audio and/or tactile manner
Go out signal (for example, audio signal, vision signal, alarm signal, vibration signal etc.).Output unit 150 can include display
Unit 151, dio Output Modules 152 etc..
Display unit 151 may be displayed on the information processed in mobile terminal 1 00.For example, when mobile terminal 1 00 is in electricity
During words call mode, display unit 151 can show and converse or other communicate (for example, text messaging, multimedia file
Download etc.) related user interface (UI) or graphic user interface (GUI).When mobile terminal 1 00 is in video calling pattern
Or during image capture mode, display unit 151 can show the image of capture and/or the image of reception, show video or
UI or GUI of image and correlation function etc..
Meanwhile, when display unit 151 and touch pad in the form of layer it is superposed on one another to form touch-screen when, display unit
151 can serve as input unit and output device.Display unit 151 can include liquid crystal display (LCD), thin film transistor (TFT)
In LCD (TFT-LCD), Organic Light Emitting Diode (OLED) display, flexible display, three-dimensional (3D) display etc. at least
It is a kind of.Some in these displays may be constructed such that transparence to allow user to be watched from outside, and this is properly termed as transparent
Display, typical transparent display can be, for example, TOLED (transparent organic light emitting diode) display etc..According to specific
Desired implementation method, mobile terminal 1 00 can include two or more display units (or other display devices), for example, moving
Dynamic terminal can include outernal display unit (not shown) and inner display unit (not shown).Touch-screen can be used to detect touch
Input pressure and touch input position and touch input area.
Dio Output Modules 152 can mobile terminal be in call signal reception pattern, call mode, logging mode,
It is that wireless communication unit 110 is received or in memory 160 when under the isotypes such as speech recognition mode, broadcast reception mode
The voice data transducing audio signal of middle storage and it is output as sound.And, dio Output Modules 152 can be provided and movement
The audio output (for example, call signal receives sound, message sink sound etc.) of the specific function correlation that terminal 100 is performed.
Dio Output Modules 152 can include loudspeaker, buzzer etc..
Memory 160 can store software program for the treatment and control operation performed by controller 180 etc., for example,
The software program for realizing sound processing method of the present invention can be stored, or can temporarily store oneself through exporting or will export
Data (for example, telephone directory, message, still image, video etc.).And, memory 160 can be stored on when touch is applied
It is added to vibration and the data of audio signal of the various modes exported during touch-screen.
Memory 160 can include the storage medium of at least one type, and the storage medium includes flash memory, hard disk, many
Media card, card-type memory (for example, SD or DX memories etc.), random access storage device (RAM), static random-access storage
Device (SRAM), read-only storage (ROM), Electrically Erasable Read Only Memory (EEPROM), programmable read only memory
(PROM), magnetic storage, disk, CD etc..And, mobile terminal 1 00 can perform memory with by network connection
The network storage device cooperation of 160 store function.
The overall operation of the generally control mobile terminal of controller 180.For example, controller 180 is performed and voice call, data
Communication, video calling etc. related control and treatment.Controller 180 can be with execution pattern identifying processing, will be in touch-screen
The handwriting input of upper execution or picture draw input and are identified as character or image.
Power subsystem 190 receives external power or internal power under the control of controller 180 and provides operation each unit
Appropriate electric power needed for part and component.
Various implementation methods described herein can be with use such as computer software, hardware or its any combination of calculating
Machine computer-readable recording medium is implemented.Implement for hardware, implementation method described herein can be by using application-specific IC
(ASIC), digital signal processor (DSP), digital signal processing device (DSPD), programmable logic device (PLD), scene can
Programming gate array (FPGA), processor, controller, microcontroller, microprocessor, it is designed to perform function described herein
At least one in electronic unit is implemented, and in some cases, such implementation method can be implemented in controller 180.
For software implementation, the implementation method of such as process or function can with allow to perform the single of at least one function or operation
Software module is implemented.Software code can be come by the software application (or program) write with any appropriate programming language
Implement, software code can be stored in memory 160 and performed by controller 180.
Based on above-mentioned mobile terminal hardware configuration, each embodiment of mobile terminal of the present invention is proposed.It should be noted that
Following embodiment is illustrated so that the present invention is applied to telephone operation as an example.
Reference picture 3, in the first embodiment of mobile terminal of the present invention, the mobile terminal includes：
Sound sensor module 10, for obtaining the first audio in environment；It is additionally operable to be converted to the first audio for obtaining
First level signal；
Polarity of voltage reversal block 20, for the first level signal to be converted into opposite polarity second electrical level signal；
Acoustic emission module 30, export after the second audio for second electrical level signal to be converted to.
Specifically, in embodiments of the present invention, mobile terminal when talking state is switched to, by sound sensor module 10
(in the specific implementation, the sound sensor module 10 can be the microphone 122 in Fig. 2) collection is presently in the environment of environment
Sound, and the call sound of pre-set user (pre-set user can be owner) is filtered out as the first sound from the ambient sound of collection
Frequently, then the first audio that will filter out is converted to the first level signal, wherein, mobile terminal can switch to call by any state
State, the present embodiment is not limited mobile terminal state in which before switching, for example, mobile terminal can be by audio and video playing shape
State switches to talking state, also can switch to talking state by application running status.
After the first level signal is converted to, first level signal is sent into polarity of voltage by sound sensor module 10
Reversal block 20 is processed.
Polarity of voltage reversal block 20 will be received after the first level signal for receiving the feeding of sound sensor module 10
The first level signal carry out polarity inversion after obtain second electrical level signal, by second electrical level signal send into acoustic emission module
30, respective handling is carried out by acoustic emission module 30.Wherein, the present embodiment does not do to the polarity inversion for how carrying out level signal
Repeat, polarity inversion circuit completion can be voluntarily set by those skilled in the art.
In the present embodiment, acoustic emission module 30 is receiving the second electrical level letter of the transmission of polarity of voltage reversal block 20
Number afterwards, exported after second electrical level signal to be converted to the second audio of corresponding band, amplitude, phase, so it is easy to understand that by
The polarity contrast of original voice, can cancel out each other in the voice signal being converted to environment, as shown in figure 4, he
People will be difficult to hear the call sound of pre-set user.
Further, Fig. 3 is refer to, mobile terminal also includes voltage comparison module 40 and Voltage Feedback compensating module 50,
Wherein,
Voltage comparison module 40 is used to be compared second electrical level signal with the first level signal, to judge second electrical level
Whether signal can cancel out each other with the first level signal；
Voltage Feedback compensating module 50 is used for when second electrical level signal and the first level signal cannot cancel out each other, root
Second electrical level signal is compensated according to comparative result；
Acoustic emission module 30 is additionally operable to be exported after the second electrical level signal after compensation is converted into the second audio signal.
It should be noted that due to circuit loss or other reasonses in practical application, being changed by the first level signal
To second electrical level signal there is certain decay, in the present embodiment, sound sensor module 10 is being converted to the first level
After signal, while the first level signal feeding polarity of voltage reversal block 20 is processed, by first level letter
Number feeding voltage comparison module 40.
Accordingly, polarity of voltage reversal block 20 is not electric by second immediately after second electrical level signal is converted to
Be compared for second electrical level signal transmission to voltage comparison module 40 to acoustic emission module 30 by flat signal transmission, with
Judge whether second electrical level signal can cancel out each other with the first level signal.
Voltage comparison module 40 after the first level signal and second electrical level signal is received, by the first level signal
It is compared with second electrical level signal, to determine amplitude of the second electrical level signal with the first level signal when phase is identical and be
It is no to reach default amplitude, wherein, it is necessary to be compensated to second electrical level signal when amplitude and when reaching default amplitude.Need
Bright, setting of the present embodiment to foregoing default amplitude is not particularly limited, and those skilled in the art can be according to actual conditions
It is configured, for example, when the amplitude of the first level signal being converted to is A, then can in real time be set to foregoing default amplitude
2A。
After completing to compare operation, comparing of the voltage comparison module 40 according to the first level signal and second electrical level signal
As a result, it is determined that being that second electrical level signal is sent into acoustic emission module 30, or feeding Voltage Feedback compensating module 50.
Wherein, when comparative result is second electrical level signal and the first level signal cannot cancel out each other, it is determined that needing
Second electrical level signal is compensated, now second electrical level signal is sent into Voltage Feedback compensating module by voltage comparison module 40
50, carry out being re-fed into acoustic emission module 30 after adaptive equalization by Voltage Feedback compensating module 50 carrying out conversion output.
When comparative result is second electrical level signal and the first level signal can cancel out each other, it is determined that need not be to second
Level signal is compensated, and it is defeated that second electrical level signal feeding acoustic emission module 30 is directly carried out conversion by voltage comparison module 40
Go out.
Alternatively, to meet the different call demand of user, in the present embodiment, can be chosen whether only to ring by user
User's sound in the sound of border is identified, as shown in figure 3, mobile terminal also includes user voice determination module 60, specifically,
Sound sensor module 10 is additionally operable to gather the ambient sound for being presently in environment, and the ambient sound that will be gathered sends into user
Sound determination module 40；
User voice determination module 40 is used to carry out the judgement of the call sound of pre-set user in an environment-identification sound, if with
Family presets an identifying user sound, then the call sound of pre-set user is filtered out from ambient sound, as the first sound
Frequency is converted to the first level signal；If the non-default settings identifying user sound of user, user voice determination module 40 is direct
The first level signal is converted to using ambient sound as the first audio.
Mobile terminal proposed by the present invention, when being applied in telephone operation, is made by gathering the user's voice in environment
After being processed for the first audio, the second opposite audio of output polarity, so it is easy to understand that opposite polarity voice signal will
Cancel out each other, the purpose for suppressing user's own voice volume is reached with this, and leave present position without user, block sound with hand
Source lowers one's voice, and enables to the telephone operation more safe and convenient of mobile terminal.
Further, based on first embodiment, the second embodiment of mobile terminal of the present invention is proposed, in the present embodiment,
Sound sensor module 10 is additionally operable to for the first audio for obtaining to be converted to three level signal；Be additionally operable to by three level signal with
Default 4th level signal is compared, and carry out detection and frequency-division section filtering after obtain first level signal.
It should be noted that the present embodiment is on the basis of aforementioned first embodiment, to the conversion behaviour of the first level signal
It is described in further detail, other can refer to aforementioned first embodiment, here is omitted.
In the present embodiment, the first audio for obtaining is converted to three level signal by sound sensor module 10 first；So
Three level signal is compared with the 4th level signal of corresponding pre-set user afterwards, wherein, the 4th level signal be based on
The benchmark sound source of the pre-set user prerecorded is converted to；Finally voice is distinguished from three level signal and detection is carried out
The first level signal of the call sound of correspondence pre-set user is obtained after frequency-division section filtering.
Further, in the present embodiment, sound sensor module 10 has when collection is presently in the first audio of environment
Body is based on the first audio in default environment measuring parameter acquiring environment, wherein, the default environment measuring parameter includes that distance is moved
At least one in scope, sound frequency and the range of energy levels of the sound detection of terminal is moved, for example, user can pre-set
Sound sensor module 10 only gathers the ambient sound in 10 meters of border.
Accordingly, acoustic emission module 30 is additionally operable to based on foregoing when second electrical level signal is converted into the second audio
Default environment measuring parameter is exported after second electrical level signal is converted into the second audio, is joined especially by foregoing default environment measuring
After number is defined, second electrical level signal is converted into the second audio emission of corresponding band, amplitude, phase to the ring being presently in
In border.
Further, based on foregoing first or second embodiments, the 3rd embodiment of mobile terminal of the present invention is proposed, at this
In embodiment, the mobile terminal also includes：
Position module, for whether current being located in preset position area to be judged based on current positional information；
Sound sensor module 10 is additionally operable to when outside being currently located at preset position area, obtain the first sound in environment
Frequently.
It should be noted that the present embodiment is on the basis of previous embodiment, further triggering mobile terminal is led to
The operation that speech is eliminated is limited, and is illustrated only for the difference below, and other can refer to foregoing embodiments, herein not
Repeat again.
It is easily understood that in real life, user not always needs to carry out secret call, for example, working as user
When being in, or other are without the environment of secret call.In the present embodiment, position module can be pre- according to user input
If setting need not carry out the preset position area of secret call, and after the setting for completing preset position area, in real time to moving
Dynamic terminal present position is identified, to determine whether mobile terminal is located within preset position area.Wherein, foregoing default position
Put region and may be configured as one, may be alternatively provided as multiple, be specifically configured according to actual needs by user, for example, such as Fig. 5 institutes
Show, the region where family of the position module according to user input by user is set to carry out the predeterminated position of secret call
Region.
In the present embodiment, sound sensor module 10 is when mobile terminal switches to talking state, according to position module
Judged result determine perform operation, specifically, when position module determine be currently located at preset position area to it is interior when, then illustrate
Secret call need not be currently carried out, sound sensor module 10 does not carry out the conversion operation of the first level signal；When position module is true
When being currently located at surely outside preset position area, illustrate to be currently needed for carrying out secret call, sound sensor module 10 obtains environment
In the first audio, start secret call operating process, specifically can refer to previous embodiment, here is omitted.
Further, the present invention also provides a kind of sound processing method, with reference to reference picture 3 and Fig. 6, is moved corresponding to the present invention
The first embodiment of dynamic terminal, in the first embodiment of sound processing method of the present invention, the sound processing method includes：
Step S10, obtains the first audio in environment；
Step S20, the first level signal is converted to by the first audio for obtaining；
Step S30, opposite polarity second electrical level signal is converted to by the first level signal；
Step S40, exports after second electrical level signal is converted into the second audio.
It should be noted that the sound processing method of the present embodiment proposition mobile terminal as shown in Figure 3 is performed.Specifically
, in embodiments of the present invention, mobile terminal when talking state is switched to, by sound sensor module 10 (in the specific implementation,
The sound sensor module 10 can be the microphone 122 in Fig. 2) collection is presently in the ambient sound of environment, and from the ring of collection
The call sound of pre-set user (pre-set user can be owner) is filtered out in the sound of border as the first audio, then for filtering out
One audio is converted to the first level signal, wherein, mobile terminal can switch to talking state by any state, and the present embodiment is to cutting
Preceding mobile terminal state in which is changed not limit, for example, mobile terminal can switch to talking state by audio and video playing state,
Also talking state can be switched to by application running status.
After the first level signal is converted to, first level signal is sent into polarity of voltage by sound sensor module 10
Reversal block 20 is processed.
Polarity of voltage reversal block 20 will be received after the first level signal for receiving the feeding of sound sensor module 10
The first level signal carry out polarity inversion after obtain second electrical level signal, by second electrical level signal send into acoustic emission module
30, respective handling is carried out by acoustic emission module 30.Wherein, the present embodiment does not do to the polarity inversion for how carrying out level signal
Repeat, polarity inversion circuit completion can be voluntarily set by those skilled in the art.
In the present embodiment, acoustic emission module 30 is receiving the second electrical level letter of the transmission of polarity of voltage reversal block 20
Number afterwards, exported after second electrical level signal to be converted to the second audio of corresponding band, amplitude, phase, so it is easy to understand that by
The polarity contrast of original voice, can cancel out each other in the voice signal being converted to environment, as shown in figure 4, he
People will be difficult to hear the call sound of pre-set user.
Further, in the present embodiment, before step S30, also include：
Second electrical level signal is compared with the first level signal, to judge second electrical level signal and the first level signal
Whether can cancel out each other；
If being then transferred to execution step S30, second electrical level signal is compensated according to comparative result otherwise；
Step S40 includes：
Exported after second electrical level signal after compensation is converted into the second audio signal.
Fig. 3 is refer to, mobile terminal also includes voltage comparison module 40 and Voltage Feedback compensating module 50, wherein,
Voltage comparison module 40 is used to be compared second electrical level signal with the first level signal, to judge second electrical level
Whether signal can cancel out each other with the first level signal；
Voltage Feedback compensating module 50 is used for when second electrical level signal and the first level signal cannot cancel out each other, root
Second electrical level signal is compensated according to comparative result；
Acoustic emission module 30 is additionally operable to be exported after the second electrical level signal after compensation is converted into the second audio signal.
It should be noted that due to circuit loss or other reasonses in practical application, being changed by the first level signal
To second electrical level signal there is certain decay, in the present embodiment, sound sensor module 10 is being converted to the first level
After signal, while the first level signal feeding polarity of voltage reversal block 20 is processed, by first level letter
Number feeding voltage comparison module 40.
Accordingly, polarity of voltage reversal block 20 is not electric by second immediately after second electrical level signal is converted to
Be compared for second electrical level signal transmission to voltage comparison module 40 to acoustic emission module 30 by flat signal transmission, with
Judge whether second electrical level signal can cancel out each other with the first level signal.
Voltage comparison module 40 after the first level signal and second electrical level signal is received, by the first level signal
It is compared with second electrical level signal, to determine amplitude of the second electrical level signal with the first level signal when phase is identical and be
It is no to reach default amplitude, wherein, it is necessary to be compensated to second electrical level signal when amplitude and when reaching default amplitude.Need
Bright, setting of the present embodiment to foregoing default amplitude is not particularly limited, and those skilled in the art can be according to actual conditions
It is configured, for example, when the amplitude of the first level signal being converted to is A, then can in real time be set to foregoing default amplitude
2A。
After completing to compare operation, comparing of the voltage comparison module 40 according to the first level signal and second electrical level signal
As a result, it is determined that being that second electrical level signal is sent into acoustic emission module 30, or feeding Voltage Feedback compensating module 50.
Wherein, when comparative result is second electrical level signal and the first level signal cannot cancel out each other, it is determined that needing
Second electrical level signal is compensated, now second electrical level signal is sent into Voltage Feedback compensating module by voltage comparison module 40
50, carry out being re-fed into acoustic emission module 30 after adaptive equalization by Voltage Feedback compensating module 50 carrying out conversion output.
When comparative result is second electrical level signal and the first level signal can cancel out each other, it is determined that need not be to second
Level signal is compensated, and it is defeated that second electrical level signal feeding acoustic emission module 30 is directly carried out conversion by voltage comparison module 40
Go out.
Alternatively, to meet the different call demand of user, in the present embodiment, can be chosen whether only to ring by user
User's sound in the sound of border is identified, as shown in figure 3, mobile terminal also includes user voice determination module 60, specifically,
Sound sensor module 10 is additionally operable to gather the ambient sound for being presently in environment, and the ambient sound that will be gathered sends into user
Sound determination module 40；
User voice determination module 40 is used to carry out the judgement of the call sound of pre-set user in an environment-identification sound, if with
Family presets an identifying user sound, then the call sound of pre-set user is filtered out from ambient sound, as the first sound
Frequency is converted to the first level signal；If the non-default settings identifying user sound of user, user voice determination module 40 is direct
The first level signal is converted to using ambient sound as the first audio.
Sound processing method proposed by the present invention, when in the telephone operation for be applied to mobile terminal, by gathering environment
In user's voice processed as the first audio after, the second opposite audio of output polarity, so it is easy to understand that polarity phase
Anti- voice signal will be cancelled out each other, and the purpose for suppressing user's own voice volume is reached with this, and be left without user residing
Position, sound source is blocked with hand or is lowered one's voice, enable to the telephone operation more safe and convenient of mobile terminal.
Further, based on first embodiment, the second embodiment of sound processing method of the present invention is proposed, corresponding to foregoing
The second embodiment of mobile terminal, in the present embodiment, step S20 includes：
The first audio for obtaining is converted into three level signal；
Three level signal is compared with default 4th level signal, and carry out detection and frequency-division section filtering after
To the first level signal.
It should be noted that the present embodiment is on the basis of aforementioned first embodiment, to the conversion behaviour of the first level signal
It is described in further detail, other can refer to aforementioned first embodiment, here is omitted.
In the present embodiment, the first audio for obtaining is converted to three level signal by sound sensor module 10 first；So
Three level signal is compared with the 4th level signal of corresponding pre-set user afterwards, wherein, the 4th level signal be based on
The benchmark sound source of the pre-set user prerecorded is converted to；Finally voice is distinguished from three level signal and detection is carried out
The first level signal of the call sound of correspondence pre-set user is obtained after frequency-division section filtering.
Further, in the present embodiment, step S10 includes：
Based on the first audio in default environment measuring parameter acquiring environment；
Step S40 includes：
Exported after second electrical level signal is converted into voice signal based on default environment measuring parameter.
In the present embodiment, sound sensor module 10 is specifically based on pre- when collection is presently in the first audio of environment
If the first audio in environment measuring parameter acquiring environment, wherein, the default environment measuring parameter is included apart from mobile terminal
At least one in the scope of sound detection, sound frequency and range of energy levels, for example, user can pre-set sound sensor
Module 10 only gathers the ambient sound in 10 meters of border.
Accordingly, acoustic emission module 30 is additionally operable to based on foregoing when second electrical level signal is converted into the second audio
Default environment measuring parameter is exported after second electrical level signal is converted into the second audio, is joined especially by foregoing default environment measuring
After number is defined, second electrical level signal is converted into the second audio emission of corresponding band, amplitude, phase to the ring being presently in
In border.
Further, based on foregoing first or second embodiments, the 3rd embodiment of sound processing method of the present invention is proposed,
Corresponding to the 3rd embodiment of aforementioned mobile terminal, in the present embodiment, before step S10, also include：
Whether current being located in preset position area is judged based on current positional information；
When outside being currently located at preset position area, execution step S10 is transferred to.
It should be noted that the present embodiment is on the basis of previous embodiment, further triggering mobile terminal is led to
The operation that speech is eliminated is limited, and is illustrated only for the difference below, and other can refer to foregoing embodiments, herein not
Repeat again.
It is easily understood that in real life, user not always needs to carry out secret call, for example, working as user
When being in, or other are without the environment of secret call.In the present embodiment, position module can be pre- according to user input
If setting need not carry out the preset position area of secret call, and after the setting for completing preset position area, in real time to moving
Dynamic terminal present position is identified, to determine whether mobile terminal is located within preset position area.Wherein, foregoing default position
Put region and may be configured as one, may be alternatively provided as multiple, be specifically configured according to actual needs by user, for example, such as Fig. 5 institutes
Show, the region where family of the position module according to user input by user is set to carry out the predeterminated position of secret call
Region.
In the present embodiment, sound sensor module 10 is when mobile terminal switches to talking state, according to position module
Judged result determine perform operation, specifically, when position module determine be currently located at preset position area to it is interior when, then illustrate
Secret call need not be currently carried out, sound sensor module 10 does not carry out the conversion operation of the first level signal；When position module is true
When being currently located at surely outside preset position area, illustrate to be currently needed for carrying out secret call, sound sensor module 10 obtains environment
In the first audio, start secret call operating process, specifically can refer to previous embodiment, here is omitted.
It should be noted that herein, term " including ", "comprising" or its any other variant be intended to non-row
His property is included, so that process, method, article or device including a series of key elements not only include those key elements, and
And also include other key elements being not expressly set out, or also include for this process, method, article or device institute are intrinsic
Key element.In the absence of more restrictions, the key element limited by sentence "including a ...", it is not excluded that including this
Also there is other identical element in the process of key element, method, article or device.
The embodiments of the present invention are for illustration only, and the quality of embodiment is not represented.
Through the above description of the embodiments, those skilled in the art can be understood that above-described embodiment side
Method can add the mode of required general hardware platform to realize by software, naturally it is also possible to by hardware, but in many cases
The former is more preferably implementation method.Based on such understanding, technical scheme is substantially done to prior art in other words
The part for going out contribution can be embodied in the form of software product, and the computer software product is stored in a storage medium
In (such as ROM/RAM, magnetic disc, CD), including some instructions are used to so that a station terminal equipment (can be mobile phone, computer, clothes
Business device, air-conditioner, or network equipment etc.) perform method described in each embodiment of the invention.
For illustrative purposes, description above has used specific term, to provide thorough understanding of the present invention.So
And, it will be apparent to those skilled in the art that in order to put into practice the present invention and not need concrete details.The present invention
The described above of specific embodiment be to present for purposes of illustration and description.They are not intended in detail or send out this
It is bright to be limited to disclosed precise forms.In view of religious doctrine above, many modifications and variations are possible.In order to best explain this
The principle and its practical application of invention and these embodiments have shown and described so that others skilled in the art can
Best using the present invention and with the various embodiments for being suitable to the expected specific various modifications for using.It is intended to model of the invention
Enclose by following claims and its equivalent to limit.
Claims (10)
1. a kind of mobile terminal, it is characterised in that the mobile terminal includes：
Sound sensor module, for obtaining the first audio in environment；It is additionally operable to for first audio to be converted to the first level
Signal；
Polarity of voltage reversal block, for first level signal to be converted into opposite polarity second electrical level signal；
Acoustic emission module, export after the second audio for the second electrical level signal to be converted to.
2. mobile terminal according to claim 1, it is characterised in that the mobile terminal also include voltage comparison module and
Voltage Feedback compensating module, wherein,
The voltage comparison module is used to be compared the second electrical level signal with first level signal, to judge
State whether second electrical level signal can cancel out each other with first level signal；
The Voltage Feedback compensating module is used to mutually be supported with first level signal in the second electrical level signal
When disappearing, the second electrical level signal is compensated according to the comparative result；
The acoustic emission module is additionally operable to be exported after the second electrical level signal after the compensation is converted into the second audio signal.
3. mobile terminal according to claim 1, it is characterised in that the sound sensor module is additionally operable to the institute that will be obtained
State the first audio and be converted to three level signal；It is additionally operable to carry out the three level signal with default 4th level signal
Compare, and carry out detection and frequency-division section filtering after obtain first level signal.
4. mobile terminal according to claim 3, it is characterised in that the sound sensor module is additionally operable to based on default ring
The first audio in border detection parameter acquiring environment；
The acoustic emission module is additionally operable to that the second electrical level signal is converted into the based on the default environment measuring parameter
Exported after two audios.
5. the mobile terminal according to claim any one of 1-4, it is characterised in that the mobile terminal, also includes：
Position module, for whether current being located in preset position area to be judged based on current positional information；
The sound sensor module is additionally operable to when outside being currently located at preset position area, obtain the first audio in environment.
6. a kind of sound processing method, it is characterised in that including：
Obtain the first audio in environment；
First audio is converted into the first level signal；
First level signal is converted into opposite polarity second electrical level signal；
Exported after the second electrical level signal is converted into the second audio.
7. sound processing method according to claim 6, it is characterised in that described to be converted to the second electrical level signal
Before the step of being exported after second audio signal, also include：
The second electrical level signal is compared with first level signal, with judge the second electrical level signal with it is described
Whether the first level signal can cancel out each other；
If the second electrical level signal cannot cancel out each other with first level signal, according to the comparative result to institute
Second electrical level signal is stated to compensate；
It is described that the second electrical level signal being converted into the step of export after the second audio signal, including：
Exported after second electrical level signal after the compensation is converted into the second audio signal.
8. sound processing method according to claim 6, it is characterised in that described that first audio is converted to first
The step of level signal, includes：
First audio for obtaining is converted into three level signal；
The three level signal is compared with default 4th level signal, and carry out detection and frequency-division section filtering after
To first level signal.
9. sound processing method according to claim 8, it is characterised in that the first audio pack in the acquisition environment
Include：
Based on the first audio in default environment measuring parameter acquiring environment；
It is described the second electrical level signal to be converted to export after the second audio include：
Exported after the second electrical level signal is converted into the second audio based on the default environment measuring parameter.
10. the sound processing method according to claim any one of 6-9, it is characterised in that in the acquisition environment
Before the step of one audio, also include：
Whether current being located in preset position area is judged based on current positional information；
When outside being currently located at preset position area, the step of performing the first audio in the acquisition environment is transferred to.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611222624.3A CN106790956A (en) | 2016-12-26 | 2016-12-26 | Mobile terminal and sound processing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611222624.3A CN106790956A (en) | 2016-12-26 | 2016-12-26 | Mobile terminal and sound processing method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106790956A true CN106790956A (en) | 2017-05-31 |
Family
ID=58926485
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611222624.3A Pending CN106790956A (en) | 2016-12-26 | 2016-12-26 | Mobile terminal and sound processing method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106790956A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112367581A (en) * | 2019-11-05 | 2021-02-12 | 南京中感微电子有限公司 | Earphone device, conversation system, equipment and device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1313212A (en) * | 2000-03-10 | 2001-09-19 | 许光智 | Noise control system for vehicles |
| JP4428280B2 (en) * | 2005-04-18 | 2010-03-10 | 日本電気株式会社 | Call content concealment system, call device, call content concealment method and program |
| CN102481878A (en) * | 2009-09-10 | 2012-05-30 | 先锋株式会社 | Noise reduction device |
| CN105493177A (en) * | 2013-08-22 | 2016-04-13 | 微软技术许可有限责任公司 | Preserving privacy of a conversation from surrounding environment |
| CN106101350A (en) * | 2016-05-31 | 2016-11-09 | 维沃移动通信有限公司 | A kind of mobile terminal and call method thereof |
-
2016
- 2016-12-26 CN CN201611222624.3A patent/CN106790956A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1313212A (en) * | 2000-03-10 | 2001-09-19 | 许光智 | Noise control system for vehicles |
| JP4428280B2 (en) * | 2005-04-18 | 2010-03-10 | 日本電気株式会社 | Call content concealment system, call device, call content concealment method and program |
| CN102481878A (en) * | 2009-09-10 | 2012-05-30 | 先锋株式会社 | Noise reduction device |
| CN105493177A (en) * | 2013-08-22 | 2016-04-13 | 微软技术许可有限责任公司 | Preserving privacy of a conversation from surrounding environment |
| CN106101350A (en) * | 2016-05-31 | 2016-11-09 | 维沃移动通信有限公司 | A kind of mobile terminal and call method thereof |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112367581A (en) * | 2019-11-05 | 2021-02-12 | 南京中感微电子有限公司 | Earphone device, conversation system, equipment and device |
| CN112367581B (en) * | 2019-11-05 | 2022-08-05 | 南京中感微电子有限公司 | Earphone device, conversation system, equipment and device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103473494B (en) | A kind of run the method for application, device and terminal unit | |
| CN107885474A (en) | Multi-screen terminal mobile payment control method, terminal and computer-readable recording medium | |
| CN108668009B (en) | Input operation control method, device, terminal, earphone and readable storage medium | |
| CN103489303B (en) | A kind of remote control thereof and device | |
| CN106658289B (en) | A kind of loudspeaker self-adaptive regulating and method | |
| CN107528369A (en) | Terminal and its wireless charging control method, computer-readable recording medium | |
| CN103699373B (en) | Interface color display, apparatus and system | |
| CN107707761A (en) | A kind of information cuing method and mobile terminal | |
| CN107623778A (en) | Incoming call sound method and mobile terminal | |
| CN107729115A (en) | A kind of display methods, equipment and computer-readable storage medium | |
| CN107465239A (en) | Charge control method, charger, terminal and computer-readable recording medium | |
| CN107463255A (en) | A kind of video broadcasting method, terminal and computer-readable recording medium | |
| CN108021470A (en) | A kind of data backup method, mobile terminal and computer-readable recording medium | |
| CN106778176A (en) | A kind of information processing method and mobile terminal | |
| CN108037934B (en) | Method and device for updating application program | |
| CN109729475A (en) | Charging bluetooth earphone method, circuit, terminal and computer readable storage medium | |
| CN109543474A (en) | A kind of method for controlling mobile terminal and mobile terminal | |
| CN107770356A (en) | A kind of communication establishing method, equipment and computer-readable recording medium | |
| CN108156325A (en) | A kind of double-sided screen Incoming-call control method, equipment and computer readable storage medium | |
| CN107706981A (en) | A kind of wireless charging method and wireless charging device | |
| CN105786439A (en) | Method and device for controlling sound in terminal | |
| CN107423600A (en) | Mobile terminal and interface of mobile terminal locking means | |
| CN109379503A (en) | A kind of income prompting method and mobile terminal | |
| CN106791039A (en) | A kind of mobile terminal location device and method | |
| CN106331281A (en) | Mobile terminal and information processing method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170531 |
|
| RJ01 | Rejection of invention patent application after publication |