CN106791141A - A kind of method of adjustment and mobile terminal of sound effect parameters of conversing - Google Patents
A kind of method of adjustment and mobile terminal of sound effect parameters of conversing Download PDFInfo
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- CN106791141A CN106791141A CN201611252907.2A CN201611252907A CN106791141A CN 106791141 A CN106791141 A CN 106791141A CN 201611252907 A CN201611252907 A CN 201611252907A CN 106791141 A CN106791141 A CN 106791141A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/72—Mobile telephones; Cordless telephones, i.e. devices for establishing wireless links to base stations without route selection
- H04M1/724—User interfaces specially adapted for cordless or mobile telephones
- H04M1/72448—User interfaces specially adapted for cordless or mobile telephones with means for adapting the functionality of the device according to specific conditions
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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
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
- H04R1/32—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only
- H04R1/323—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only for loudspeakers
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- Computer Networks & Wireless Communication (AREA)
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Abstract
The present invention discloses a kind of method of adjustment of sound effect parameters of conversing, and is applied to mobile terminal, and the mobile terminal has a main microphon and at least one secondary microphone, and methods described includes：Calculate the angle that current mobile terminal deviates preset standard position；Obtain the sound pressure level difference value or phase difference value of the main microphon and the secondary microphone；The first distance between the main microphon and sound source is calculated according to the angle, the sound pressure level difference value or phase difference value；According to the relation that default first distance adjusts numerical value with first, the session parameter to the main microphon is adjusted.The invention also discloses a kind of mobile terminal, including angle calculation unit, difference acquiring unit, the first metrics calculation unit, the first parameter adjustment unit.The present invention can be according to sound detection is according to mobile terminal and number of people relative position and adjusts call sound effect parameters accordingly, and lifting sends sound quality and the other user's sense of hearing.
Description
Technical field
The present invention relates to field of terminal technology, more particularly to a kind of method of adjustment and mobile terminal of sound effect parameters of conversing.
Background technology
The capital equipment that mobile terminal is communicated as people, its call voice quality it is critical that, conversing
Cheng Zhong, the position relationship between mobile terminal and mouth is not unalterable, for example, user's holding method changes, or
Mobile terminal is answered and transfers to the right hand to answer by user from left hand, or user is situations such as being moved, and now, may make call
Effect changes in terms of volume, sound bearing etc., and then causes other side's sense of hearing suddenly big or suddenly small, the problems such as lose word, gives
The subjective sense of hearing of other side brings very big puzzlement.
The content of the invention
It is a primary object of the present invention to propose a kind of method of adjustment and mobile terminal of sound effect parameters of conversing, it is intended to lifted
Send sound quality and the other user's sense of hearing.
To achieve the above object, the present invention proposes a kind of method of adjustment of sound effect parameters of conversing, and is applied to mobile terminal, institute
Mobile terminal is stated with a main microphon and at least one secondary microphone, it is characterised in that methods described includes：
Calculate the angle that current mobile terminal deviates preset standard position；
Obtain the sound pressure level difference value or phase difference value of the main microphon and the secondary microphone；
First between the main microphon and sound source is calculated according to the angle, the sound pressure level difference value or phase difference value
Distance；
According to the relation that default first distance adjusts numerical value with first, the session parameter to the main microphon is adjusted
It is whole.
Alternatively, it is described that the main microphon and sound are calculated according to the angle, the sound pressure level difference value or phase difference value
The first distance between source, methods described also includes：
According to the described first distance and the main microphon and the secondary microphone the mobile terminal position relationship
Calculate the second distance between the secondary microphone and the sound source；
According to default second distance and the relation of the second adjustment numerical value, the session parameter to the secondary microphone is adjusted
It is whole.
Alternatively, the session parameter include volume, acoustic pressure series, phase, waveform parameter, automatic growth control,
At least one in dynamic range compression.
Alternatively, the angle for calculating current mobile terminal deviation preset standard position includes：
Obtain three axis informations of the current mobile terminal in space；
According to three axis information by antitrigonometric function, calculate the current mobile terminal and deviate preset standard position
Angle.
Alternatively, it is described that the main microphon and sound are calculated according to the angle, the sound pressure level difference value or phase difference value
The first distance between source includes：
Calculate the horizontal sextant angle θ of the sound source and the main microphon；
According to the sound pressure level difference value or phase difference value and sound pressure level difference formula or phase difference formula calculating described first
Distance：
Wherein, D is first distance, and r is the half of distance between the main microphon and the secondary microphone；F is
The frequency of the pure tone that the main microphon sends in the position that horizontal sextant angle is 0 °；C is the speed of the aerial propagation of sound wave.
Additionally, to achieve the above object, the present invention also provides a kind of mobile terminal, the mobile terminal has a main wheat
Gram wind and at least one secondary microphone, it is characterised in that including：
Angle calculation unit, the angle of preset standard position is deviateed for calculating current mobile terminal；
Difference acquiring unit, sound pressure level difference value or phase difference for obtaining the main microphon and the secondary microphone
Value；
First metrics calculation unit, for calculating the master according to the angle, the sound pressure level difference value or phase difference value
The first distance between microphone and sound source；
First parameter adjustment unit, for the relation for adjusting numerical value with first according to default first distance, to the master
The session parameter of microphone is adjusted.
Alternatively, also include：
Second distance computing unit, for according to described first distance and the main microphon with the secondary microphone in institute
State the second distance that the position relationship of mobile terminal is calculated between the secondary microphone and the sound source；
Second parameter adjustment unit, for the relation according to default second distance and the second adjustment numerical value, to the pair
The session parameter of microphone is adjusted.
Alternatively, the session parameter include volume, acoustic pressure series, phase, waveform parameter, automatic growth control,
At least one in dynamic range compression.
Alternatively, the angle calculation unit is specifically for obtaining three axis informations of the current mobile terminal in space,
And according to three axis information by antitrigonometric function, calculate the angle that the current mobile terminal deviates preset standard position.
Alternatively, first metrics calculation unit is used for：
Calculate the horizontal sextant angle θ of the sound source and the main microphon；
According to the sound pressure level difference value or phase difference value and sound pressure level difference formula or phase difference formula calculating described first
Distance：
Wherein, D is first distance, and r is the half of distance between the main microphon and the secondary microphone；F is
The frequency of the pure tone that the main microphon sends in the position that horizontal sextant angle is 0 °；C is the speed of the aerial propagation of sound wave.
The method of adjustment and mobile terminal of call sound effect parameters proposed by the present invention, by calculating main microphon with sound source
Distance, and then session parameter to main microphon is adjusted, what solution caused by the change of the sound source distance of mobile terminal
Sound is suddenly big or suddenly small, the problems such as lose word.
Brief description of the drawings
Fig. 1 is the hardware architecture diagram of the mobile terminal for realizing each embodiment of the invention；
Fig. 2 is the wireless communication system schematic diagram of mobile terminal as shown in Figure 1；
Fig. 3 is the schematic flow sheet of the method for adjustment of the call sound effect parameters of the embodiment of the present invention；
Fig. 4 is the schematic diagram of the angle that current mobile terminal deviates normal place；
Fig. 5 be user is hand-off answer during current mobile terminal evolution schematic diagram；
Fig. 6 is the schematic diagram that phase difference harmony pressure difference is embodied in sound array；
Fig. 7 is the schematic flow sheet of step S11 in the method for adjustment of the call sound effect parameters of the embodiment of the present invention；
Fig. 8 is the schematic flow sheet of step S13 in the method for adjustment of the call sound effect parameters of the embodiment of the present invention；
Fig. 9 is the schematic flow sheet after step S13 in the method for adjustment of the call sound effect parameters of the embodiment of the present invention；
Figure 10 is the structural representation of the mobile terminal of the embodiment of the present invention；
Figure 11 is the structural representation of the mobile terminal of another embodiment of the present invention；
The realization of the object of the invention, functional characteristics and advantage will be described further referring to the drawings in conjunction with the embodiments.
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.
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 terminal described in the present invention can include such as moving
Phone, smart phone, notebook computer, digit broadcasting receiver, PDA (personal digital assistant), PAD (panel computer), PMP
The mobile terminal of (portable media player), guider etc. and such as numeral TV, desktop computer etc. are consolidated
Determine terminal.Hereinafter it is assumed that terminal is mobile terminal.However, it will be understood by those skilled in the art that, except being used in particular for 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. 1 is the hardware architecture diagram for realizing the optional intelligent terminal of each embodiment one of the invention.
Intelligent terminal 100 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. 1 shows the mobile terminal 1 00 with various assemblies, it should be understood that being not required for implementing all showing
The component for going out.More or less component can alternatively be implemented.The element of mobile terminal 1 00 will be discussed in more detail below.
Wireless communication unit 110 can generally include one or more assemblies, and it allows mobile terminal 1 00 and radio communication
Radio communication between system or network.For example, wireless communication unit 110 can include that broadcasting reception module 111, movement are logical
At least one of letter module 112, wireless Internet module 113, short range communication module 114 and location information module 115.
Broadcasting reception module 111 receives broadcast singal and/or broadcast via broadcast channel from external broadcast management server
Relevant information.Broadcast channel can include satellite channel and/or terrestrial channel.Broadcast management server can be generated and sent
The broadcast singal and/or broadcast related information generated before the server or reception of broadcast singal and/or broadcast related information
And send it to the server of terminal.Broadcast singal can include TV broadcast singals, radio signals, data broadcasting
Signal etc..And, broadcast singal may further include the broadcast singal combined with TV or radio signals.Broadcast phase
Pass information can also be provided via mobile communications network, and in this case, broadcast related information can be by mobile communication mould
Block 112 is received.Broadcast singal can exist in a variety of manners, for example, it can be with the electronics of DMB (DMB)
The form of program guide (EPG), the electronic service guidebooks (ESG) of digital video broadcast-handheld (DVB-H) etc. and exist.Broadcast
Receiver module 111 can receive signal and broadcast by using various types of broadcast systems.Especially, broadcasting reception module 111
Can be wide by using such as multimedia broadcasting-ground (DMB-T), DMB-satellite (DMB-S), digital video
Broadcast-hand-held (DVB-H), Radio Data System, the received terrestrial digital broadcasting integrated service of forward link media (MediaFLO@)
Etc. (ISDB-T) digit broadcasting system receives digital broadcasting.Broadcasting reception module 111 may be constructed such that and be adapted to provide for extensively
Broadcast the various broadcast systems and above-mentioned digit broadcasting system of signal.Via broadcasting reception module 111 receive broadcast singal and/
Or broadcast related information can be stored in memory 160 (or other types of storage medium).
Mobile communication module 112 sends radio signals to base station (for example, access point, node B etc.), exterior terminal
And at least one of server and/or receive from it radio signal.Such radio signal can 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 113 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 WLAN (WLAN) (Wi-Fi), Wibro
(WiMAX), Wimax (worldwide interoperability for microwave accesses), HSDPA (high-speed downlink packet access) etc..
Short range communication module 114 is the module for supporting junction service.Some examples of short-range communication technology include indigo plant
Tooth TM, radio frequency identification (RFID), Infrared Data Association (IrDA), ultra wide band (UWB), purple honeybee TM etc..
Location information module 115 is the module for checking or obtaining the positional information of mobile terminal.Location information module
115 typical case is GPS (global positioning system).According to current technology, GPS calculate from three or more satellites away from
Information application triangulation from information and correct time information and for calculating, so as to according to longitude, latitude and height
Degree calculates three-dimensional current location information exactly.Currently, three satellites are used simultaneously for calculating the method for position and temporal information
And the position by using other satellite correction calculating and the error of temporal information.Additionally, GPS can be by real time
Continuous plus current location information carrys out calculating speed information.
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 wind 122, the static map that 121 pairs, camera is obtained in Video Capture pattern or image capture mode by image capture apparatus
The view data of piece or video is processed.Picture frame after treatment may be displayed on display unit 151.At camera 121
Picture frame after reason can be stored in memory 160 (or other storage mediums) or carried out via wireless communication unit 110
Send, two or more cameras 121 can be provided according to the construction of mobile terminal 1 00.Microphone wind 122 can be in telephone relation
Sound (voice data) is received via microphone wind 122 in pattern, logging mode, speech recognition mode etc. operational mode, and
And can be voice data by such acoustic processing.Audio (voice) data after treatment can be in the feelings of telephone calling model
The form that being converted under condition can be sent to mobile communication base station via mobile communication module 112 is exported.Microphone wind 122 can be real
Various types of noises elimination (or suppression) algorithms are applied to eliminate (or suppression) product during receiving and sending audio signal
Raw noise or interference.
User input unit 130 can generate key input data to control mobile terminal 1 00 according to the order of user input
Various operations.User input unit 130 allow the various types of information of user input, and can include keyboard, metal dome,
Touch pad (for example, detection due to being touched caused by resistance, pressure, electric capacity etc. change sensitive component), roller, shake
Bar etc..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).Sensing unit 140 can include proximity transducer 141.
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 1 00 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 1 00.Can serve as recognizing mobile terminal 1 00 from the various command signals or electric power of base input
Whether signal base on is accurately fitted within.Output unit 150 is configured to be provided with vision, audio and/or tactile manner
Output signal (for example, audio signal, vision signal, alarm signal, vibration signal etc.).Output unit 150 can include aobvious
Show unit 151, dio Output Modules 152, alarm unit 153 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 figure
UI or GUI of picture 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 100 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 be in call signal reception pattern, call mode, record mould in mobile terminal 1 00
It is that wireless communication unit 110 is received or in memory when under the isotypes such as formula, speech recognition mode, broadcast reception mode
In 160 store voice data transducing audio signal and be output as sound.And, dio Output Modules 152 can provide with
The audio output of the specific function correlation that mobile terminal 1 00 is performed is (for example, call signal receives sound, message sink sound etc.
Deng).Dio Output Modules 152 can include loudspeaker, buzzer etc..
Alarm unit 153 can provide output and be notified to mobile terminal 1 00 with by event.Typical event can be with
Including calling reception, message sink, key signals input, touch input etc..In addition to audio or video is exported, alarm unit
153 can in a different manner provide output with the generation of notification event.For example, alarm unit 153 can be in the form of vibrating
Output is provided, when calling, message or some other entrance communication (incoming communication) are received, alarm list
Unit 153 can provide tactile output (that is, vibrating) to notify to user.Exported by providing such tactile, even if
When in pocket of the mobile phone of user in user, user also can recognize that the generation of various events.Alarm unit 153
The output of the generation of notification event can be provided via display unit 151 or dio Output Modules 152.
Memory 160 can store software program for the treatment and control operation performed by controller 180 etc., Huo Zheke
Temporarily to store oneself data (for example, telephone directory, message, still image, video etc.) through exporting or will export.And
And, memory 160 can store the vibration of various modes on being exported when touching and being applied to touch-screen and audio signal
Data.
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.In addition, controller 180 can be included for reproducing (or playback) many matchmakers
The multi-media module 181 of volume data, multi-media module 181 can be constructed in controller 180, or can be structured as and control
Device 180 is separated.Controller 180 can be with execution pattern identifying processing, the handwriting input that will be performed on the touchscreen or picture
Draw input and be identified as character or image.
Power subsystem 190 receives external power or internal power under the control of controller 180 and provides operation each unit
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.
So far, oneself according to its function through describing mobile terminal 1 00.In addition, the mobile terminal 1 00 in the embodiment of the present invention
Can be such as folded form, board-type, oscillating-type, sliding-type and other various types of mobile terminals, not do herein specifically
Limit.
Mobile terminal 1 00 as shown in Figure 1 may be constructed such that using via frame or packet transmission data it is all if any
Line and wireless communication system and satellite-based communication system are operated.
The communication system that mobile terminal wherein of the invention can be operated is described referring now to Fig. 2.
Such communication system can use different air interface and/or physical layer.For example, used by communication system
Air interface includes such as frequency division multiple access (FDMA), time division multiple acess (TDMA), CDMA (CDMA) and universal mobile communications system
System (UMTS) (especially, Long Term Evolution (LTE)), global system for mobile communications (GSM) etc..As non-limiting example, under
The description in face is related to cdma communication system, but such teaching is equally applicable to other types of system.
With reference to Fig. 2, cdma wireless communication system can include multiple mobile terminal 1s 00, multiple base station (BS) 270, base station
Controller (BSC) 275 and mobile switching centre (MSC) 280.MSC 280 is configured to and Public Switched Telephony Network (PSTN)
290 form interface.MSC 280 is also structured to form interface with the BSC 275 that can be couple to base station via back haul link.Return
If any one in the interface that journey circuit can be known according to Ganji is constructed, the interface can include such as European standard Gao Rong
Amount digital circuit/Unite States Standard high power capacity digital circuit (E1/T1), asynchronous transfer mode (ATM), procotol (IP), point are right
Point agreement (PPP), frame relay, high-bit-rate digital subscriber line road (HDSL), Asymmetrical Digital Subscriber Line (ADSL) or various types of
Type digital subscriber line (xDSL).It will be appreciated that system can include multiple BSC 275 as shown in Figure 2.
Each BS 270 can service one or more subregions (or region), by multidirectional antenna or the day of sensing specific direction
Each subregion of line covering is radially away from BS 270.Or, each subregion can by two for diversity reception or more
Multiple antennas are covered.Each BS 270 may be constructed such that the multiple frequency distribution of support, and the distribution of each frequency has specific frequency
Spectrum (for example, 1.25MHz, 5MHz etc.).
What subregion and frequency were distributed intersects can be referred to as CDMA Channel.BS 270 can also be referred to as base station transceiver
System (BTS) or other equivalent terms.In this case, term " base station " can be used for broadly representing single BSC
275 and at least one BS 270.Base station can also be referred to as " cellular station ".Or, each subregion of specific BS 270 can be claimed
It is multiple cellular stations.
As shown in Figure 2, broadcast singal is sent to broadcsting transmitter (BT) 295 mobile terminal operated in system
100.Broadcasting reception module 111 as shown in Figure 1 is arranged at mobile terminal 1 00 to receive the broadcast sent by BT 295
Signal.In fig. 2 it is shown that several global positioning system (GPS) satellites 300.Satellite 300 helps position multiple mobile terminals
At least one of 100.
In fig. 2, multiple satellites 300 are depicted, it is understood that be, it is possible to use any number of satellite obtains useful
Location information.Location information module 115 as shown in Figure 1 is (such as：GPS) it is generally configured to coordinate to obtain with satellite 300
The location information that must be wanted.Substitute GPS tracking techniques or outside GPS tracking techniques, it is possible to use can track mobile whole
Other technologies of the position at end.In addition, at least one gps satellite 300 can optionally or additionally process satellite dmb biography
It is defeated.
Used as a typical operation of wireless communication system, BS 270 receives the reverse strand from various mobile terminal 1s 00
Road signal.Mobile terminal 1 00 generally participates in call, information receiving and transmitting and other types of communication.Each of certain base station reception is anti-
Processed in specific BS 270 to link signal.The data of acquisition are forwarded to the BSC 275 of correlation.BSC provides logical
Words resource allocation and the mobile management function of the coordination including the soft switching process between BS 270.BSC 275 will also be received
Data be routed to MSC 280, its provide for PSTN 290 formed interface extra route service.Similarly, PSTN
290 form interface with MSC 280, and MSC and BSC 275 form interface, and BSC 275 correspondingly controls BS 270 with by forward direction
Link signal is sent to mobile terminal 1 00.
Based on above-mentioned mobile terminal hardware configuration and communication system, the inventive method each embodiment is proposed.
As shown in figure 3, first embodiment of the invention provides a kind of method of adjustment of sound effect parameters of conversing, it is applied to mobile whole
End, the mobile terminal has a main microphon and at least one secondary microphone；The method comprising the steps of：
S10, beginning；
S11, the angle for calculating current mobile terminal deviation preset standard position；
Referring to Fig. 4, when being conversed using mobile terminal 1 00, its face 200 is existed as sound source to user
, when user become hand-off posture or grip mobile terminal it is handshaking when, can deviate the position of mobile terminal 1 00,
For example, when normal place is represented with the central axis 108 of mobile terminal, then there is the current mobile terminal after the skew of position
100 position can represent that it is exactly to work as reach with the angle of central axis 108 with the central axis 208 of current mobile terminal
Dynamic terminal deviates the angle of preset standard position；Equally, as shown in figure 5, when mobile phone is changed to another hand by user from a hand
When, its corresponding distance change can be bigger；Above-mentioned preset standard position can be vertically oriented；
S12, the main microphon is obtained with the sound pressure level difference value or phase difference value of the secondary microphone；
Referring to Fig. 6, main microphon and secondary microphone sound pressure level difference or phase difference can in sound array body
It is existing, in this way, main microphon just can directly pass through microphone and secondary microphone with the sound pressure level difference value or phase difference value of secondary microphone
Sound pressure level difference or phase difference embodying in sound array immediately arrive at；
S13, calculated between the main microphon and sound source according to the angle, the sound pressure level difference value or phase difference value
First distance；
S14, the relation for adjusting numerical value with first according to default first distance, the session parameter to the main microphon enter
Row adjustment；
S15, end.
Second embodiment of the invention provides a kind of method of adjustment of sound effect parameters of conversing, and is applied to mobile terminal, the shifting
Dynamic terminal has a main microphon and at least one secondary microphone；The method comprising the steps of include the step of with first implement
The S11 to S14 referred in example is identical, and as detailed above, here is omitted.
Unlike, as shown in fig. 7, in the present embodiment, step S11 is specifically included：
S20, beginning；
Three axis informations of S21, the acquisition current mobile terminal in space；
In the specific implementation, can gather current by the gravity sensor of mobile terminal, acceleration transducer, gyroscope
Mobile terminal space x, the axis information of y, z tri-；
S22, according to three axis information by antitrigonometric function, calculate the current mobile terminal skew preset standard position
The angle put；
Above-mentioned preset standard position can be vertically oriented；
S23, end.
Third embodiment of the invention provides a kind of method of adjustment of sound effect parameters of conversing, and is applied to mobile terminal, the shifting
Dynamic terminal has a main microphon and at least one secondary microphone；The method comprising the steps of include the step of with first implement
The S11 to S14 referred in example is identical, and as detailed above, here is omitted.
Unlike, as shown in figure 8, in the present embodiment, step S13 is specifically included：
S30 starts；
S31, the sound source is calculated with the horizontal sextant angle θ of the main microphon；
S32, according to the sound pressure level difference value or phase difference value and sound pressure level difference formula or phase difference formula are calculated
First distance：
Wherein, D is the first distance, and r is the half of distance between the main microphon and the secondary microphone；F is described
The frequency of the pure tone that main microphon sends in the position that horizontal sextant angle is 0 °；C is the speed of the aerial propagation of sound wave.
More specifically, as a example by with a main Mike and the mobile terminal of secondary Mike, wherein, main Mike's example
The lower end of mobile terminal is such as arranged on, secondary Mike is for example arranged on the upper end of mobile terminal, between the main Mike and secondary Mike
Distance be d=2r；Assuming that the first distance between main Mike and sound source is D, horizontal sextant angle is that 0 ° of position sends frequency for f
Pure tone, then the distance to secondary Mike is D+d, and the speed of the aerial propagation of sound wave is c, now, the letter of main Mike's typing
Number arbitrarily downgraded than the signal sound of secondary Mike typing eager to excel in whatever one does, phase will in advance, and specific formula for calculation is as follows：
Sound pressure level difference：20lgd=20lg2r；Phase difference：D/2 π fc=r/ π fc；
After mobile terminal is angularly offset, then the horizontal sextant angle of sound source to MIC1 is-θ, to the horizontal sextant angle of MIC2
It is θ, secondary Mike is close to sound source away from sound source for main Mike, and specific formula for calculation is as follows：
Because sound pressure level difference value and phase difference value are all known, therefore first can be calculated apart from D according to above-mentioned formula；
S33, end.
In another embodiment of the invention, the specific steps of step S11 as shown in the second embodiment, specific as above institute
State, will not be repeated here.
Fourth embodiment of the invention provides a kind of method of adjustment of sound effect parameters of conversing, and is applied to mobile terminal, the shifting
Dynamic terminal has a main microphon and at least one secondary microphone；The method comprising the steps of include the step of with first implement
The S11 to S14 referred in example is identical, and as detailed above, here is omitted.
Unlike, session parameter in step S14 include volume, acoustic pressure series, phase, waveform parameter, from
At least one in dynamic gain control, dynamic range compression.
In specific implementation, the relationship graph of the first distance and the first adjustment numerical value can be set, it is different in the icon
In the range of the first distance there are different first adjustment numerical value.Additionally, when the numerical value of acoustic pressure series or phase is adjusted, if main
Away from sound source, secondary Mike close to sound source, then can be carried out sound pressure level and carried Mike according to the numerical value of front and rear sound pressure level to main Mike
Height compensation, advanced phase is poor；Suppression compensation is carried out to secondary Mike, the operation of phase difference is postponed.
In another embodiment of the invention, the specific steps of step S11 as shown in the second embodiment, specific as above institute
State, will not be repeated here.
In another embodiment of the present invention, the specific steps of step S13 as shown in 3rd embodiment, specific as above institute
State, will not be repeated here.
Fifth embodiment of the invention provides a kind of method of adjustment of sound effect parameters of conversing, and is applied to mobile terminal, the shifting
Dynamic terminal has a main microphon and at least one secondary microphone；The method comprising the steps of include the step of with first implement
The S11 to S14 referred in example is identical, and as detailed above, here is omitted.
Unlike, as shown in figure 9, in the present embodiment, after step s 13, also including：
S40 starts；
S41, according to described first distance and the main microphon with the secondary microphone in the position of the mobile terminal
Relation calculates the second distance between the secondary microphone and the sound source；
S42, the relation that numerical value is adjusted according to default second distance and second, the session parameter to the secondary microphone enter
Row adjustment；
S43, end.
Above-mentioned session parameter equally can include volume, acoustic pressure series, phase, waveform parameter, automatic growth control,
At least one in dynamic range compression, specifically as described in the fourth embodiment.
In another embodiment of the invention, the specific steps of step S11 as shown in the second embodiment, specific as above institute
State, will not be repeated here.
In another embodiment of the present invention, the specific steps of step S13 as shown in 3rd embodiment, specific as above institute
State, will not be repeated here.
The method of adjustment to the call sound effect parameters in the embodiment of the present invention is described above, below to of the invention real
The mobile terminal applied in example is described.
As shown in Figure 10, sixth embodiment of the invention proposes a kind of mobile terminal, including angle calculation unit 10, difference is obtained
Take unit 20, the first metrics calculation unit 30, the first parameter adjustment unit 40.
Angle calculation unit 10 is used to calculate the angle that current mobile terminal offsets vertical direction；Referring to Fig. 4, use
When being conversed using mobile terminal 1 00, its face 200 is present as sound source at family, when user become hand-off posture or
Grip mobile terminal it is handshaking when, can deviate the position of mobile terminal 1 00, for example, when normal place is with mobile end
When the central axis 108 at end is represented, then the position that the current mobile terminal 100 after the skew of position occurs can be with current movement eventually
The central axis 208 at end represents, itself and the angle of central axis 108 are exactly the angle that current mobile terminal deviates preset standard position
Degree；Equally, as shown in figure 5, when mobile phone is changed to another hand by user from a hand, its corresponding distance change can be bigger；
Above-mentioned preset standard position can be vertically oriented.
Difference acquiring unit 20 is used to obtain the main microphon with the sound pressure level difference value or phase difference of the secondary microphone
Value；Referring to Fig. 6, main microphon can embody with secondary microphone sound pressure level difference or phase difference in sound array, such as
This, main microphon just can directly by microphone and secondary microphone sound pressure level with the sound pressure level difference value or phase difference value of secondary microphone
Difference or phase difference embodying in sound array immediately arrive at.
First metrics calculation unit 30 is used to calculate the master according to the angle, the sound pressure level difference value or phase difference value
The first distance between microphone and sound source.
First parameter adjustment unit 40 is used for the relation with the first adjustment numerical value according to default first distance, to the master
The session parameter of microphone is adjusted.
Seventh embodiment of the invention proposes a kind of mobile terminal, including angle calculation unit 10, difference acquiring unit 20, the
One metrics calculation unit 30, the first parameter adjustment unit 40.
Angle calculation unit 10, difference acquiring unit 20, the first metrics calculation unit 30 in the present embodiment, the first parameter
Angle calculation unit 10, difference acquiring unit 20, the first metrics calculation unit in adjustment unit 40 and above-mentioned 7th embodiment
30th, the first parameter adjustment unit 40 is identical, and as detailed above, here is omitted.
Unlike, in the present embodiment, angle calculation unit 10 is specifically for obtaining the current mobile terminal in space
Three axis informations, and according to three axis information by antitrigonometric function, calculate the current mobile terminal skew preset standard
The angle of position.In the specific implementation, can be gathered by the gravity sensor of mobile terminal, acceleration transducer, gyroscope
Current mobile terminal space x, the axis information of y, z tri-；Above-mentioned preset standard position can be vertically oriented.
Eighth embodiment of the invention proposes a kind of mobile terminal, including angle calculation unit 10, difference acquiring unit 20, the
One metrics calculation unit 30, the first parameter adjustment unit 40.
Angle calculation unit 10, difference acquiring unit 20, the first metrics calculation unit 30 in the present embodiment, the first parameter
Angle calculation unit 10, difference acquiring unit 20, the first metrics calculation unit in adjustment unit 40 and above-mentioned 7th embodiment
30th, the first parameter adjustment unit 40 is identical, and as detailed above, here is omitted.
Unlike, in the present embodiment, the first metrics calculation unit 30 is specifically for calculating the sound source and the main wheat
The horizontal sextant angle θ of gram wind；And according to the sound pressure level difference value or phase difference value and sound pressure level difference formula or phase difference formula meter
Calculate first distance：
Wherein, D is the first distance, and r is the half of distance between the main microphon and the secondary microphone；F is described
The frequency of the pure tone that main microphon sends in the position that horizontal sextant angle is 0 °；C is the speed of the aerial propagation of sound wave.
More specifically, as a example by with a main Mike and the mobile terminal of secondary Mike, wherein, main Mike's example
The lower end of mobile terminal is such as arranged on, secondary Mike is for example arranged on the upper end of mobile terminal, between the main Mike and secondary Mike
Distance be d=2r；Assuming that the first distance between main Mike and sound source is D, horizontal sextant angle is that 0 ° of position sends frequency for f
Pure tone, then the distance to secondary Mike is D+d, and the speed of the aerial propagation of sound wave is c, now, the letter of main Mike's typing
Number arbitrarily downgraded than the signal sound of secondary Mike typing eager to excel in whatever one does, phase will in advance, and specific formula for calculation is as follows：
Sound pressure level difference：20lgd=20lg2r；Phase difference：D/2 π fc=r/ π fc；
After mobile terminal is angularly offset, then the horizontal sextant angle of sound source to MIC1 is-θ, to the horizontal sextant angle of MIC2
It is θ, secondary Mike is close to sound source away from sound source for main Mike, and specific formula for calculation is as follows：
Because sound pressure level difference value and phase difference value are all known, therefore first can be calculated apart from D according to above-mentioned formula.
In another embodiment of the invention, angle calculation unit 10 can be as shown in the 7th embodiment, specific as above institute
State, will not be repeated here.
Ninth embodiment of the invention proposes a kind of mobile terminal, including angle calculation unit 10, difference acquiring unit 20, the
One metrics calculation unit 30, the first parameter adjustment unit 40.
Angle calculation unit 10, difference acquiring unit 20, the first metrics calculation unit 30 in the present embodiment, the first parameter
Angle calculation unit 10, difference acquiring unit 20, the first metrics calculation unit in adjustment unit 40 and above-mentioned 7th embodiment
30th, the first parameter adjustment unit 40 is identical, and as detailed above, here is omitted.
Unlike, in the present embodiment, the session parameter of the adjustment of the first parameter adjustment unit 40 includes volume, acoustic pressure
At least one in series, phase, waveform parameter, automatic growth control, dynamic range compression.In specific implementation, Ke Yishe
The relationship graph that fixed first distance adjusts numerical value with first, in the icon, the first distance in different range has different
First adjustment numerical value.Additionally, when the numerical value of acoustic pressure series or phase is adjusted, if main Mike away from sound source secondary Mike close to sound
Source, then can be carried out sound pressure level to main Mike and improve compensation according to the numerical value of front and rear sound pressure level, and advanced phase is poor；To secondary Mike
Suppression compensation is carried out, the operation of phase difference is postponed.
In another embodiment of the invention, angle calculation unit 10 can be as shown in the 7th embodiment, specific as above institute
State, will not be repeated here.
In another embodiment of the present invention, the first metrics calculation unit as shown in the 8th embodiment, as detailed above,
Will not be repeated here.
As shown in figure 11, tenth embodiment of the invention proposes a kind of mobile terminal, including angle calculation unit 10, difference is obtained
Unit 20, the first metrics calculation unit 30, the first parameter adjustment unit 40, second distance computing unit 50, the second parameter is taken to adjust
Whole unit 60.
Angle calculation unit 10, difference acquiring unit 20, the first metrics calculation unit 30 in the present embodiment, the first parameter
Angle calculation unit 10, difference acquiring unit 20, the first metrics calculation unit in adjustment unit 40 and above-mentioned 7th embodiment
30th, the first parameter adjustment unit 40 is identical, and as detailed above, here is omitted.
In the present embodiment, second distance computing unit 50 be used for according to described first distance and the main microphon with it is described
Secondary microphone calculates the second distance between the secondary microphone and the sound source in the position relationship of the mobile terminal；Second
Parameter adjustment unit 60 adjusts the relation of numerical value according to default second distance and second, to the session parameter of the secondary microphone
It is adjusted.Above-mentioned session parameter can equally include volume, acoustic pressure series, phase, waveform parameter, automatic gain control
At least one in system, dynamic range compression is specific as described in the 8th embodiment.
In another embodiment of the invention, angle calculation unit 10 can be as shown in the 7th embodiment, specific as above institute
State, will not be repeated here.
In another embodiment of the present invention, the first metrics calculation unit as shown in the 8th embodiment, as detailed above,
Will not be repeated here.
The method of adjustment and mobile terminal of call sound effect parameters proposed by the present invention, can be according to sound detection according to movement
Terminal and number of people relative position simultaneously adjust call sound effect parameters accordingly, and realization examines automatically according to the diverse location of mobile terminal
Survey, and carry out the adjustment of call sound effect parameters automatically accordingly, correct the shake feelings because occurring in user's holding method, motion process
The sound that condition causes is suddenly big or suddenly small, and the problems such as lose word, lifting sends sound quality and the other user's sense of hearing.
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.
The preferred embodiments of the present invention are these are only, the scope of the claims of the invention is not thereby limited, it is every to utilize this hair
Equivalent structure or equivalent flow conversion that bright specification and accompanying drawing content are made, or directly or indirectly it is used in other related skills
Art field, is included within the scope of the present invention.
Claims (10)
1. a kind of method of adjustment of sound effect parameters of conversing, is applied to mobile terminal, and the mobile terminal has a main microphon
And at least one secondary microphone, it is characterised in that methods described includes：
Calculate the angle that current mobile terminal deviates preset standard position；
Obtain the sound pressure level difference value or phase difference value of the main microphon and the secondary microphone；
According to the angle, the sound pressure level difference value or phase difference value calculate between the main microphon and sound source first away from
From；
According to the relation that default first distance adjusts numerical value with first, the session parameter to the main microphon is adjusted.
2. the method for adjustment of sound effect parameters of conversing according to claim 1, it is characterised in that described according to the angle, institute
State after the first distance that sound pressure level difference value or phase difference value are calculated between the main microphon and sound source, methods described is also wrapped
Include：
Position relationship according to the described first distance and the main microphon with the secondary microphone in the mobile terminal is calculated
Second distance between the secondary microphone and the sound source；
According to default second distance and the relation of the second adjustment numerical value, the session parameter to the secondary microphone is adjusted.
3. it is according to claim 1 or claim 2 call sound effect parameters method of adjustment, it is characterised in that the session parameter includes
At least one in volume, acoustic pressure series, phase, waveform parameter, automatic growth control, dynamic range compression.
4. the method for adjustment of sound effect parameters of conversing according to claim 1, it is characterised in that the calculating current mobile terminal
The angle for deviateing preset standard position includes：
Obtain three axis informations of the current mobile terminal in space；
According to three axis information by antitrigonometric function, the angle that the current mobile terminal deviates preset standard position is calculated
Degree.
5. the method for adjustment of sound effect parameters of conversing according to claim 1, it is characterised in that described according to the angle, institute
The first distance stated between sound pressure level difference value or the phase difference value calculating main microphon and sound source includes：
Calculate the horizontal sextant angle θ of the sound source and the main microphon；
According to the sound pressure level difference value or phase difference value and sound pressure level difference formula or phase difference formula calculating first distance：
Sound pressure level difference formula；
Phase difference formula；
Wherein, D is first distance, and r is the half of distance between the main microphon and the secondary microphone；F is described
The frequency of the pure tone that main microphon sends in the position that horizontal sextant angle is 0 °；C is the speed of the aerial propagation of sound wave.
6. a kind of mobile terminal, the mobile terminal has a main microphon and at least one secondary microphone, and its feature exists
In, including：
Angle calculation unit, the angle of preset standard position is deviateed for calculating current mobile terminal；
Difference acquiring unit, sound pressure level difference value or phase difference value for obtaining the main microphon and the secondary microphone；
First metrics calculation unit, for calculating the main Mike according to the angle, the sound pressure level difference value or phase difference value
The first distance between wind and sound source；
First parameter adjustment unit, for the relation for adjusting numerical value with first according to default first distance, to the main Mike
The session parameter of wind is adjusted.
7. mobile terminal according to claim 6, it is characterised in that also include：
Second distance computing unit, for according to described first distance and the main microphon with the secondary microphone in the shifting
The position relationship of dynamic terminal calculates the second distance between the secondary microphone and the sound source；
Second parameter adjustment unit, for the relation according to default second distance and the second adjustment numerical value, to the secondary Mike
The session parameter of wind is adjusted.
8. the mobile terminal according to claim 6 or 7, it is characterised in that the session parameter includes volume, sound pressure level
At least one in number, phase, waveform parameter, automatic growth control, dynamic range compression.
9. mobile terminal according to claim 6, it is characterised in that the angle calculation unit is specifically for obtaining described working as
Preceding mobile terminal and according to three axis information by antitrigonometric function, calculates the current movement in three axis informations in space
Terminal deviates the angle of preset standard position.
10. mobile terminal according to claim 6, it is characterised in that first metrics calculation unit is used for：
Calculate the horizontal sextant angle θ of the sound source and the main microphon；
According to the sound pressure level difference value or phase difference value and sound pressure level difference formula or phase difference formula calculating first distance：
Sound pressure level difference formula；
Phase difference formula；
Wherein, D is first distance, and r is the half of distance between the main microphon and the secondary microphone；F is described
The frequency of the pure tone that main microphon sends in the position that horizontal sextant angle is 0 °；C is the speed of the aerial propagation of sound wave.
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| CN108630191A (en) * | 2018-07-23 | 2018-10-09 | 上海斐讯数据通信技术有限公司 | A kind of test system and method for the speech recognition success rate of simulation different distance |
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Application publication date: 20170531 |