CN105227743A - A kind of method for recording, device and mobile terminal - Google Patents
A kind of method for recording, device and mobile terminal Download PDFInfo
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- CN105227743A CN105227743A CN201510528992.XA CN201510528992A CN105227743A CN 105227743 A CN105227743 A CN 105227743A CN 201510528992 A CN201510528992 A CN 201510528992A CN 105227743 A CN105227743 A CN 105227743A
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Abstract
The invention discloses a kind of method for recording, device and mobile terminal, belong to communication technical field.The method comprises: gather acoustic signals, obtain the source of sound angle-data of described acoustic signals; According to described source of sound angle-data, described acoustic signals is revised in real time, obtain revised sound waveform; Described revised sound waveform is preserved in memory according to preset file format, the present invention utilizes mobile terminal microphone array to gather acoustic signals, determine the position at the source of sound place sending acoustic signals, then acoustic signals is revised in real time, thus make recording result more close to the actual sound field that people's ear is heard, locating effect is stronger, really reaches the effect of " visual sound field ", " Yesterday Once More ".
Description
Technical field
The present invention relates to communication technical field, particularly relate to a kind of method for recording, device and mobile terminal.
Background technology
The recording technology of current mobile terminal directly the signal that mobile terminal sound collection signal component (microphone) collects is stored in corresponding sound channel respectively, then audio file is saved as, because on the putting position of microphone on mobile terminal and the number of people, the position of ears exists bigger difference, and also there is larger difference with the frequency response of people's ear in the frequency response of microphone, therefore user can be easier to find out the difference with actual environment sound field, locating effect is poor, and sense of hearing is bad.
Summary of the invention
Main purpose of the present invention is to propose a kind of method for recording, device and mobile terminal, acoustic signals is gathered by mobile terminal microphone array, determine the position at the source of sound place sending acoustic signals, then acoustic signals is revised in real time, thus making recording result more close to the actual sound field that people's ear is heard, locating effect is stronger.
The technical scheme that the present invention solves the problems of the technologies described above is as follows:
According to an aspect of the present invention, a kind of method for recording provided, comprising:
Gather acoustic signals, obtain the source of sound angle-data of described acoustic signals;
According to described source of sound angle-data, described acoustic signals is revised in real time, obtain revised sound waveform;
Described revised sound waveform is preserved in memory according to preset file format.
Preferably, described collection acoustic signals, the source of sound angle-data obtaining described acoustic signals specifically comprises:
Start the sound-recording function of mobile terminal, Real-time Collection acoustic signals;
Intensity difference between time difference and microphone is gathered between the frequency response of described acoustic signals, microphone by the microphone array of mobile terminal;
Contrast preset source of sound angle-data storehouse, according between described frequency response, microphone between time difference and microphone intensity difference obtain the source of sound angle-data of described acoustic signals.
Preferably, the generation method in described source of sound angle-data storehouse is:
Under noise elimination laboratory environment, be the center of circle with mobile terminal, on concentric circles on each three-dimensional coordinate point, play the swept-frequency signal of [20,20000] Hz;
Start the sound-recording function of mobile terminal, by the microphone array collection of mobile terminal from the acoustic signals on each three-dimensional coordinate point;
Set up the corresponding relation between source of sound angle and frequency response, microphone between time difference and microphone between intensity difference by the acoustic signals on each three-dimensional coordinate point described, form source of sound angle-data storehouse.
Preferably, describedly according to described source of sound angle-data, described acoustic signals to be revised in real time, obtains revised sound waveform and specifically comprise:
Described acoustic signals and described source of sound angle-data are sent to audio signal compensation module;
Call default head related transfer function, obtain the offset of described acoustic signals in phase place, frequency and intensity;
According to described offset, described acoustic signals is revised in real time, obtain revised sound waveform.
According to another aspect of the present invention, a kind of record device provided, comprising:
Acquisition module, for gathering acoustic signals, obtains the source of sound angle-data of described acoustic signals;
Correcting module, for revising in real time described acoustic signals according to described source of sound angle-data, obtains revised sound waveform;
Preserve module, for being preserved in memory according to preset file format by described revised sound waveform.
Preferably, described acquisition module comprises:
Start recoding unit, for starting the sound-recording function of mobile terminal, Real-time Collection acoustic signals;
Parameter acquisition unit, for gathering between the frequency response of described acoustic signals, microphone intensity difference between time difference and microphone by the microphone array of mobile terminal;
Contrast unit, for contrasting default source of sound angle-data storehouse, according between described frequency response, microphone between time difference and microphone intensity difference obtain the source of sound angle-data of described acoustic signals.
Preferably, the generation method in described source of sound angle-data storehouse is:
Under noise elimination laboratory environment, be the center of circle with mobile terminal, on concentric circles on each three-dimensional coordinate point, play the swept-frequency signal of [20,20000] Hz;
Start the sound-recording function of mobile terminal, by the microphone array collection of mobile terminal from the acoustic signals on each three-dimensional coordinate point;
Set up the corresponding relation between source of sound angle and frequency response, microphone between time difference and microphone between intensity difference by the acoustic signals on each three-dimensional coordinate point described, form source of sound angle-data storehouse.
Preferably, described correcting module comprises:
Transmitting element, for being sent to audio signal compensation module by described acoustic signals and described source of sound angle-data;
Call unit, for calling default head related transfer function, obtains the offset of described acoustic signals in phase place, frequency and intensity;
Compensating unit, for revising in real time described acoustic signals according to described offset, obtains revised sound waveform.
According to another aspect of the present invention, a kind of mobile terminal provided, comprises the record device described in above any one
Preferably, also comprise: analog to digital converter and processor, wherein,
Analog to digital converter, carries out analog-to-digital conversion for the acoustic signals collected microphone array;
Processor, for calculating and process.
The invention provides a kind of method for recording, device and mobile terminal, the method comprises: gather acoustic signals, obtain the source of sound angle-data of described acoustic signals; According to described source of sound angle-data, described acoustic signals is revised in real time, obtain revised sound waveform; Described revised sound waveform is preserved in memory according to preset file format, the present invention utilizes mobile terminal microphone array to gather acoustic signals, determine the position at the source of sound place sending acoustic signals, then acoustic signals is revised in real time, thus make recording result more close to the actual sound field that people's ear is heard, locating effect is stronger, really reaches the effect of " visual sound field ", " Yesterday Once More ".
Accompanying drawing explanation
Fig. 1 is the hardware configuration schematic diagram of the mobile terminal realizing each embodiment of the present invention;
Fig. 2 is the wireless communication system schematic diagram of mobile terminal as shown in Figure 1;
Fig. 3 is the flow chart of a kind of method for recording of embodiments of the invention one;
Fig. 4 is visual sound field functional schematic in the mobile terminal of embodiments of the invention one;
Fig. 5 is the method flow diagram of step S10 in Fig. 3;
Fig. 6 is two kinds of recording state schematic diagrames of the mobile terminal of embodiments of the invention one;
Fig. 7 is the flow chart of the generation method in the source of sound angle-data storehouse of embodiments of the invention one;
Fig. 8 is the sound collecting schematic diagram of embodiments of the invention one;
Fig. 9 is the frequency of sound wave response schematic diagram of embodiments of the invention one;
Figure 10 is the method flow diagram of step S20 in Fig. 3;
Figure 11 is the exemplary block diagram of a kind of record device of embodiments of the invention two;
Figure 12 is the exemplary block diagram of a kind of record device of embodiments of the invention three;
Figure 13 is the exemplary block diagram of a kind of record device of embodiments of the invention four;
Figure 14 is the exemplary block diagram of a kind of mobile terminal of embodiments of the invention five.
The realization of the object of the invention, functional characteristics and advantage will in conjunction with the embodiments, are described further with reference to accompanying drawing.
Embodiment
Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.Mobile terminal can be implemented in a variety of manners.Such as, the terminal described in the present invention can comprise the such as mobile terminal of mobile phone, smart phone, notebook computer, digit broadcasting receiver, PDA (personal digital assistant), PAD (panel computer), PMP (portable media player), guider etc. and the fixed terminal of such as digital TV, desktop computer etc.Below, suppose that terminal is mobile terminal.But it will be appreciated by those skilled in the art that except the element except being used in particular for mobile object, structure according to the embodiment of the present invention also can be applied to the terminal of fixed type.
Fig. 1 is the hardware configuration signal of the mobile terminal realizing each embodiment of the present invention.
Mobile terminal 100 can comprise wireless communication unit 110, A/V (audio/video) input unit 120, user input unit 130, sensing cell 140, output unit 150, memory 160, interface unit 170, controller 180 and power subsystem 190 etc.Fig. 1 shows the mobile terminal with various assembly, it should be understood that, does not require to implement all assemblies illustrated.Can alternatively implement more or less assembly.Will be discussed in more detail below the element of mobile terminal.
Wireless communication unit 110 generally includes one or more assembly, and it allows the radio communication between mobile terminal 100 and wireless communication system or network.Such as, wireless communication unit can comprise at least one in broadcast reception module 111, mobile communication module 112, wireless Internet module 113, short range communication module 114 and positional information module 115.
Broadcast reception module 111 via broadcast channel from external broadcasting management server receiving broadcast signal and/or broadcast related information.Broadcast channel can comprise satellite channel and/or terrestrial channel.Broadcast management server can be generate and send the server of broadcast singal and/or broadcast related information or the broadcast singal generated before receiving and/or broadcast related information and send it to the server of terminal.Broadcast singal can comprise TV broadcast singal, radio signals, data broadcasting signal etc.And broadcast singal may further include the broadcast singal combined with TV or radio signals.Broadcast related information also can provide via mobile communications network, and in this case, broadcast related information can be received by mobile communication module 112.Broadcast singal can exist in a variety of manners, such as, it can exist with the form of the electronic service guidebooks (ESG) of the electronic program guides of DMB (DMB) (EPG), digital video broadcast-handheld (DVB-H) etc.Broadcast reception module 111 can by using the broadcast of various types of broadcast system Received signal strength.Especially, broadcast reception module 111 can by using such as multimedia broadcasting-ground (DMB-T), DMB-satellite (DMB-S), digital video broadcasting-hand-held (DVB-H), forward link media (MediaFLO
) the digit broadcasting system receiving digital broadcast of Radio Data System, received terrestrial digital broadcasting integrated service (ISDB-T) etc.Broadcast reception module 111 can be constructed to be applicable to providing the various broadcast system of broadcast singal and above-mentioned digit broadcasting system.The broadcast singal received via broadcast reception module 111 and/or broadcast related information can be stored in memory 160 (or storage medium of other type).
Radio signal is sent at least one in base station (such as, access point, Node B etc.), exterior terminal and server and/or receives radio signals from it by mobile communication module 112.Various types of data that such radio signal can comprise voice call signal, video calling signal or send according to text and/or Multimedia Message and/or receive.
Wireless Internet module 113 supports the Wi-Fi (Wireless Internet Access) of mobile terminal.This module can be inner or be externally couple to terminal.Wi-Fi (Wireless Internet Access) technology involved by this module can comprise WLAN (WLAN) (Wi-Fi), Wibro (WiMAX), Wimax (worldwide interoperability for microwave access), HSDPA (high-speed downlink packet access) etc.
Short range communication module 114 is the modules for supporting junction service.Some examples of short-range communication technology comprise bluetooth
tM, radio-frequency (RF) identification (RFID), Infrared Data Association (IrDA), ultra broadband (UWB), purple honeybee
tMetc..
Positional information module 115 is the modules of positional information for checking or obtain mobile terminal.The typical case of positional information module is GPS (global positioning system).According to current technology, GPS module 115 calculates from the range information of three or more satellite and correct time information and for the Information application triangulation calculated, thus calculates three-dimensional current location information according to longitude, latitude and pin-point accuracy.Current, the method for calculating location and temporal information uses three satellites and by the error of the position that uses an other satellite correction calculation to go out and temporal information.In addition, GPS module 115 can carry out computational speed information by Continuous plus current location information in real time.
A/V input unit 120 is for audio reception or vision signal.A/V input unit 120 can comprise camera 121 and microphone 1220, and the view data of camera 121 to the static images obtained by image capture apparatus in Video Capture pattern or image capture mode or video processes.Picture frame after process may be displayed on display module 151.Picture frame after camera 121 processes can be stored in memory 160 (or other storage medium) or via wireless communication unit 110 and send, and can provide two or more cameras 1210 according to the structure of mobile terminal.Such acoustic processing can via microphones sound (voice data) in telephone calling model, logging mode, speech recognition mode etc. operational mode, and can be voice data by microphone 122.Audio frequency (voice) data after process can be converted to the formatted output that can be sent to mobile communication base station via mobile communication module 112 when telephone calling model.Microphone 122 can be implemented various types of noise and eliminate (or suppress) algorithm and receiving and sending to eliminate (or suppression) noise or interference that produce in the process of audio signal.
User input unit 130 can generate key input data to control the various operations of mobile terminal according to the order of user's input.User input unit 130 allows user to input various types of information, and keyboard, the young sheet of pot, touch pad (such as, detecting the touch-sensitive assembly of the change of the resistance, pressure, electric capacity etc. that cause owing to being touched), roller, rocking bar etc. can be comprised.Especially, when touch pad is superimposed upon on display module 151 as a layer, touch-screen can be formed.
Sensing cell 140 detects the current state of mobile terminal 100, (such as, mobile terminal 100 open or close state), the position of mobile terminal 100, user for mobile terminal 100 contact (namely, touch input) presence or absence, the orientation of mobile terminal 100, the acceleration or deceleration of mobile terminal 100 move and direction etc., and generate order or the signal of the operation for controlling mobile terminal 100.Such as, when mobile terminal 100 is embodied as sliding-type mobile phone, sensing cell 140 can sense this sliding-type phone and open or close.In addition, whether whether sensing cell 140 can detect power subsystem 190 provides electric power or interface unit 170 to couple with external device (ED).Sensing cell 140 can comprise proximity transducer 1410 and will be described this in conjunction with touch-screen below.
Interface unit 170 is used as at least one external device (ED) and is connected the interface that can pass through with mobile terminal 100.Such as, external device (ED) can comprise wired or wireless head-band earphone port, external power source (or battery charger) port, wired or wireless FPDP, memory card port, for connecting the port, audio frequency I/O (I/O) port, video i/o port, ear port etc. of the device with identification module.Identification module can be that storage uses the various information of mobile terminal 100 for authentication of users and can comprise subscriber identification module (UIM), client identification module (SIM), Universal Subscriber identification module (USIM) etc.In addition, the device (hereinafter referred to " recognition device ") with identification module can take the form of smart card, and therefore, recognition device can be connected with mobile terminal 100 via port or other jockey.Interface unit 170 may be used for receive from external device (ED) input (such as, data message, electric power etc.) and the input received be transferred to the one or more element in mobile terminal 100 or may be used for transmitting data between mobile terminal and external device (ED).
In addition, when mobile terminal 100 is connected with external base, interface unit 170 can be used as to allow by it electric power to be provided to the path of mobile terminal 100 from base or can be used as the path that allows to be transferred to mobile terminal by it from the various command signals of base input.The various command signal inputted from base or electric power can be used as and identify whether mobile terminal is arranged on the signal base exactly.Output unit 150 is constructed to provide output signal (such as, audio signal, vision signal, alarm signal, vibration signal etc.) with vision, audio frequency and/or tactile manner.Output unit 150 can comprise display module 151, dio Output Modules 152, alarm modules 153 etc.
Display module 151 may be displayed on the information of process in mobile terminal 100.Such as, when mobile terminal 100 is in telephone calling model, display module 151 can show with call or other communicate (such as, text messaging, multimedia file are downloaded etc.) be correlated with user interface (UI) or graphic user interface (GUI).When mobile terminal 100 is in video calling pattern or image capture mode, display module 151 can the image of display capture and/or the image of reception, UI or GUI that video or image and correlation function are shown etc.
Meanwhile, when display module 151 and touch pad as a layer superposed on one another to form touch-screen time, display module 151 can be used as input unit and output device.Display module 151 can comprise at least one in liquid crystal display (LCD), thin-film transistor LCD (TFT-LCD), Organic Light Emitting Diode (OLED) display, flexible display, three-dimensional (3D) display etc.Some in these displays can be constructed to transparence and watch from outside to allow user, and this can be called transparent display, and typical transparent display can be such as TOLED (transparent organic light emitting diode) display etc.According to the specific execution mode wanted, mobile terminal 100 can comprise two or more display modules (or other display unit), such as, mobile terminal can comprise outside display module (not shown) and inner display module (not shown).Touch-screen can be used for detecting touch input pressure and touch input position and touch and inputs area.
When dio Output Modules 152 can be under the isotypes such as call signal receiving mode, call mode, logging mode, speech recognition mode, broadcast reception mode at mobile terminal, voice data convert audio signals that is that wireless communication unit 110 is received or that store in memory 160 and exporting as sound.And dio Output Modules 152 can provide the audio frequency relevant to the specific function that mobile terminal 100 performs to export (such as, call signal receives sound, message sink sound etc.).Dio Output Modules 152 can comprise loud speaker, buzzer etc.
Alarm modules 153 can provide and export that event informed to mobile terminal 100.Typical event can comprise calling reception, message sink, key signals input, touch input etc.Except audio or video exports, alarm modules 153 can provide in a different manner and export with the generation of notification event.Such as, alarm modules 153 can provide output with the form of vibration, when receive calling, message or some other enter communication (incomingcommunication) time, alarm modules 153 can provide sense of touch to export (that is, vibrating) to notify to user.By providing such sense of touch to export, even if when the mobile phone of user is in the pocket of user, user also can identify the generation of various event.Alarm modules 153 also can provide the output of the generation of notification event via display module 151 or dio Output Modules 152.
Memory 160 software program that can store process and the control operation performed by controller 180 etc., or temporarily can store oneself through exporting the data (such as, telephone directory, message, still image, video etc.) that maybe will export.And, memory 160 can store about when touch be applied to touch-screen time the vibration of various modes that exports and the data of audio signal.
Memory 160 can comprise the storage medium of at least one type, described storage medium comprises flash memory, hard disk, multimedia card, card-type memory (such as, SD or DX memory etc.), random access storage device (RAM), static random-access memory (SRAM), read-only memory (ROM), Electrically Erasable Read Only Memory (EEPROM), programmable read only memory (PROM), magnetic storage, disk, CD etc.And mobile terminal 100 can be connected the memory function of execute store 160 network storage device with by network cooperates.
Controller 180 controls the overall operation of mobile terminal usually.Such as, controller 180 performs the control relevant to voice call, data communication, video calling etc. and process.In addition, controller 180 can comprise the multi-media module 1810 for reproducing (or playback) multi-medium data, and multi-media module 1810 can be configured in controller 180, or can be configured to be separated with controller 180.Controller 180 can pattern recognition process, is identified as character or image so that input is drawn in the handwriting input performed on the touchscreen or picture.
Power subsystem 190 receives external power or internal power and provides each element of operation and the suitable electric power needed for assembly under the control of controller 180.
Various execution mode described herein can to use such as computer software, the computer-readable medium of hardware or its any combination implements.For hardware implementation, execution mode described herein can by using application-specific IC (ASIC), digital signal processor (DSP), digital signal processing device (DSPD), programmable logic device (PLD), field programmable gate array (FPGA), processor, controller, microcontroller, microprocessor, being designed at least one performed in the electronic unit of function described herein and implementing, in some cases, such execution mode can be implemented in controller 180.For implement software, the execution mode of such as process or function can be implemented with allowing the independent software module performing at least one function or operation.Software code can be implemented by the software application (or program) write with any suitable programming language, and software code can be stored in memory 160 and to be performed by controller 180.
So far, oneself is through the mobile terminal according to its functional description.Below, for the sake of brevity, by the slide type mobile terminal that describes in various types of mobile terminals of such as folded form, board-type, oscillating-type, slide type mobile terminal etc. exemplarily.Therefore, the present invention can be applied to the mobile terminal of any type, and is not limited to slide type mobile terminal.
Mobile terminal 100 as shown in Figure 1 can be constructed to utilize and send the such as wired and wireless communication system of data via frame or grouping and satellite-based communication system operates.
Describe wherein according to the communication system that mobile terminal of the present invention can operate referring now to Fig. 2.
Such communication system can use different air interfaces and/or physical layer.Such as, the air interface used by communication system comprises such as frequency division multiple access (FDMA), time division multiple access (TDMA), code division multiple access (CDMA) and universal mobile telecommunications system (UMTS) (especially, Long Term Evolution (LTE)), global system for mobile communications (GSM) etc.As non-limiting example, description below relates to cdma communication system, but such instruction is equally applicable to the system of other type.
With reference to figure 2, cdma wireless communication system can comprise multiple mobile terminal 100, multiple base station (BS) 270, base station controller (BSC) 275 and mobile switching centre (MSC) 280.MSC280 is constructed to form interface with Public Switched Telephony Network (PSTN) 290.MSC280 is also constructed to form interface with the BSC275 that can be couple to base station 270 via back haul link.Back haul link can construct according to any one in some interfaces that oneself knows, described interface comprises such as E1/T1, ATM, IP, PPP, frame relay, HDSL, ADSL or xDSL.Will be appreciated that system as shown in Figure 2 can comprise multiple BSC2750.
Each BS270 can serve one or more subregion (or region), by multidirectional antenna or point to specific direction each subregion of antenna cover radially away from BS270.Or each subregion can by two or more antenna covers for diversity reception.Each BS270 can be constructed to support multiple parallel compensate, and each parallel compensate has specific frequency spectrum (such as, 1.25MHz, 5MHz etc.).
Subregion can be called as CDMA Channel with intersecting of parallel compensate.BS270 also can be called as base station transceiver subsystem (BTS) or other equivalent terms.Under these circumstances, term " base station " may be used for broadly representing single BSC275 and at least one BS270.Base station also can be called as " cellular station ".Or each subregion of particular B S270 can be called as multiple cellular station.
As shown in Figure 2, broadcast singal is sent to the mobile terminal 100 at operate within systems by broadcsting transmitter (BT) 295.Broadcast reception module 111 as shown in Figure 1 is arranged on mobile terminal 100 and sentences the broadcast singal receiving and sent by BT295.In fig. 2, several global positioning system (GPS) satellite 300 is shown.Satellite 300 helps at least one in the multiple mobile terminal 100 in location.
In fig. 2, depict multiple satellite 300, but understand, the satellite of any number can be utilized to obtain useful locating information.GPS module 115 as shown in Figure 1 is constructed to coordinate to obtain the locating information wanted with satellite 300 usually.Substitute GPS tracking technique or outside GPS tracking technique, can use can other technology of position of tracking mobile terminal.In addition, at least one gps satellite 300 optionally or extraly can process satellite dmb transmission.
As a typical operation of wireless communication system, BS270 receives the reverse link signal from various mobile terminal 100.Mobile terminal 100 participates in call usually, information receiving and transmitting communicates with other type.Each reverse link signal that certain base station 270 receives is processed by particular B S270.The data obtained are forwarded to relevant BSC275.BSC provides call Resourse Distribute and comprises the mobile management function of coordination of the soft switching process between BS270.The data received also are routed to MSC280 by BSC275, and it is provided for the extra route service forming interface with PSTN290.Similarly, PSTN290 and MSC280 forms interface, and MSC and BSC275 forms interface, and BSC275 correspondingly control BS270 so that forward link signals is sent to mobile terminal 100.
Based on above-mentioned mobile terminal hardware configuration and communication system, each embodiment of the inventive method is proposed.
Touch operation method of the present invention, is specially adapted to narrow frame or Rimless mobile terminal, first the Touch Zone of mobile terminal is divided into special subregion and common subregion same as the prior art, and distributes an input equipment for each subregion; When receiving touch control operation, judging which subregion this touch control operation occurs in, when occurring in special subregion, then reporting touch control operation by the input equipment that special section post is corresponding, when occurring in common subregion, then report touch control operation by the input equipment that common section post is corresponding; Finally, the touch control operation that the input equipment that mobile terminal is corresponding to special section post reports carries out special processing, and the touch control operation that the input equipment corresponding to common section post reports, as prior art, carries out normal process.
Describedly special processing is carried out to touch control operation can be understood as unconventional process or improper process are carried out to touch control operation, as ignored this touch control operation, generating special efficacy according to this touch control operation, or other processing mode self-defining.For example, unconventional process or improper process, can do following understanding: further when user clicks a certain application icon, and normal process or conventional treatment start this application, and improper process or unconventional process are then to start this application.
Be described in detail below by way of specific embodiment.
Embodiment one
Fig. 3 is the flow chart of a kind of method for recording of the present embodiment, describes a kind of method for recording of the present embodiment below in conjunction with Fig. 3, and as shown in Figure 3, a kind of method for recording, comprising:
S10, collection acoustic signals, obtain the source of sound angle-data of described acoustic signals;
S20, according to described source of sound angle-data, described acoustic signals to be revised in real time, obtain revised sound waveform;
S30, by described revised sound waveform according to preset file format preserve in memory.
In the present embodiment, as shown in Figure 4, mobile terminal is before recording audio, user opens " visual sound field " function, utilizes mobile terminal microphone array to gather acoustic signals, determines the position at the source of sound place sending acoustic signals, then acoustic signals is revised in real time, thus making recording result more close to the actual sound field that people's ear is heard, locating effect is stronger, really reaches the effect of " visual sound field ", " Yesterday Once More ".
As another kind of embodiment, described " visual sound field " function also can be opened by factory default, as long as recording audio can enter at the beginning " visual sound field " functional mode.
In the present embodiment, carry out revising in real time adopting head related transfer function (HRTF to acoustic signals, Head-RelatedtransferFunction) as the guidance standard that sound wave compensates, this function is preset in mobile terminal, the feature of this HRTF model is, get general mankind's head sizes, diffraction, reflection, the mean value of Transfer Parameters, or for the mean value of target group (as Asian) or typical value, under noise elimination laboratory environment, adopt the human simulation head model of the standard of industry accreditation, gather the waveform of the swept-frequency signal of each coordinate points of three dimensions.Certainly, in acoustics educational circles, measurement was carried out to this part data in existing multiple large-scale experiment room, directly adopted the data that these laboratories are issued, as HRTF model preset in mobile terminal, was also fine.
In the present embodiment, described preset file format includes but not limited to: WAV form and MP3 format.As long as the angle of mobile terminal have rotated in recording process, as user's handling method changes, in motion process, the situations such as shake occur, mobile terminal obtains the angle of current mobile terminal skew by the Position and attitude sensor of self assembling, compensates.
In the present embodiment, as shown in Figure 5, described step S10 specifically comprises:
The sound-recording function of S11, startup mobile terminal, Real-time Collection acoustic signals;
Intensity difference between time difference and microphone between S12, the frequency response being gathered described acoustic signals by the microphone array of mobile terminal, microphone;
S13, contrast preset source of sound angle-data storehouse, according between described frequency response, microphone between time difference and microphone intensity difference obtain the source of sound angle-data of described acoustic signals.
In the present embodiment, by time difference (ITD between the frequency response of described acoustic signals, microphone, inter-microphonetimedifference,) and microphone between intensity difference (IID, inter-microphoneintensitydifference) accurately can orient current source of sound angle.
Fig. 6 is two kinds of recording states of mobile terminal, be respectively left hand and hold mobile terminal state and the right hand holds mobile terminal state, when this two states is recorded, different when mobile terminal and source of sound angle, the source of sound angle-data under these two kinds of different recording states can be obtained by above method.
As shown in Figure 7, in the present embodiment, in described step S13, the generation method in source of sound angle-data storehouse is:
S131, under noise elimination laboratory environment, be the center of circle with mobile terminal, on concentric circles on each three-dimensional coordinate point, play the swept-frequency signal of [20,20000] Hz;
S132, start the sound-recording function of mobile terminal, by the microphone array collection of mobile terminal from the acoustic signals on each three-dimensional coordinate point;
S133, to be set up the corresponding relation between time difference and microphone between intensity difference between source of sound angle and frequency response, microphone by the acoustic signals on each three-dimensional coordinate point described, form source of sound angle-data storehouse.
In the present embodiment, described source of sound angle-data storehouse is set up in advance before mobile terminal dispatches from the factory, that to have the mobile terminal of " visual sound field " function necessary, it gathers the scheme of sound wave as shown in Figure 8, adopts level angle (Azimuth), the elevation angle (elevation) and front and back to represent source of sound angle-data; Fig. 9 is frequency of sound wave response schematic diagram, as can be seen from Figure 9, when other diaxons are constant, simple change angle, the response of the sound wave of different frequency is different, adds ITD, IID, and three conditions accurately can orient current source of sound angle.Effect is distinguished according to different, can by different spacing accuracies between the coordinate points of collection, generally speaking, people's ear that can meet most user for precision with 1 ° to 5 ° distinguishes requirement.After whole collection, form source of sound angle-data storehouse.
In the present embodiment, as shown in Figure 10, described step S20 specifically comprises:
S21, described acoustic signals and described source of sound angle-data are sent to audio signal compensation module;
S22, call default head related transfer function, obtain the offset of described acoustic signals in phase place, frequency and intensity;
S23, according to described offset, described acoustic signals to be revised in real time, obtain revised sound waveform.
In the present embodiment, described head related transfer function HRTF is preset in the audio signal compensation module in mobile terminal, audio signal compensation module is after receiving the angle-data and original acoustic wave signal transmitted, apply mechanically preset HRTF model, obtain the size that this original acoustic wave signal should compensate in phase place, frequency, intensity, and then original acoustic wave signal is revised in real time, draw one meet HRTF model more close to the actual sound field that people's ear is heard, locating effect is better, really reaches the effect of " visual sound field ", " Yesterday Once More ".
Embodiment two
Figure 11 is the exemplary block diagram of a kind of record device of the present embodiment; As shown in figure 11, a kind of record device, comprising:
Acquisition module 10, for gathering acoustic signals, obtains the source of sound angle-data of described acoustic signals;
Correcting module 20, for revising in real time described acoustic signals according to described source of sound angle-data, obtains revised sound waveform;
Preserve module 30, for being preserved in memory according to preset file format by described revised sound waveform.
In the present embodiment, mobile terminal is before recording audio, user opens or factory default opens " visual sound field " function, mobile terminal microphone array is utilized to gather acoustic signals, determine the position at the source of sound place sending acoustic signals, then acoustic signals is revised in real time, thus make recording result more close to the actual sound field that people's ear is heard, locating effect is stronger, really reaches the effect of " visual sound field ", " Yesterday Once More ".
In the present embodiment, carry out revising in real time adopting head related transfer function (HRTF to acoustic signals, Head-RelatedTransferFunction) as the guidance standard that sound wave compensates, this function is preset in mobile terminal, the feature of this HRTF model is, get general mankind's head sizes, diffraction, reflection, the mean value of Transfer Parameters, or for the mean value of target group (as Asian) or typical value, under noise elimination laboratory environment, adopt the human simulation head model of the standard of industry accreditation, gather the waveform of the swept-frequency signal of each coordinate points of three dimensions.Certainly, in acoustics educational circles, measurement was carried out to this part data in existing multiple large-scale experiment room, directly adopted the data that these laboratories are issued, as HRTF model preset in mobile terminal, was also fine.
In the present embodiment, described preset file format includes but not limited to: WAV form and MP3 format.
Embodiment three
Figure 12 is the exemplary block diagram of a kind of record device of the present embodiment; As shown in figure 12, described acquisition module 10 comprises:
Start recoding unit 11, for starting the sound-recording function of mobile terminal, Real-time Collection acoustic signals;
Parameter acquisition unit 12, for gathering between the frequency response of described acoustic signals, microphone intensity difference between time difference and microphone by the microphone array of mobile terminal;
Contrast unit 13, for contrasting default source of sound angle-data storehouse, according between described frequency response, microphone between time difference and microphone intensity difference obtain the source of sound angle-data of described acoustic signals.
In the present embodiment, by time difference (ITD between the frequency response of described acoustic signals, microphone, inter-microphonetimedifference,) and microphone between intensity difference (IID, inter-microphoneintensitydifference) accurately can orient current source of sound angle.
In the present embodiment, the generation method in described source of sound angle-data storehouse is:
Under noise elimination laboratory environment, be the center of circle with mobile terminal, on concentric circles on each three-dimensional coordinate point, play the swept-frequency signal of [20,20000] Hz;
Start the sound-recording function of mobile terminal, by the microphone array collection of mobile terminal from the acoustic signals on each three-dimensional coordinate point;
Set up the corresponding relation between source of sound angle and frequency response, microphone between time difference and microphone between intensity difference by the acoustic signals on each three-dimensional coordinate point described, form source of sound angle-data storehouse.
In the present embodiment, described source of sound angle-data storehouse is set up in advance before mobile terminal dispatches from the factory, that to have the mobile terminal of " visual sound field " function necessary, it gathers the scheme of sound wave as shown in Figure 8, adopts level angle (Azimuth), the elevation angle (elevation) and front and back to represent source of sound angle-data; Fig. 9 is frequency of sound wave response schematic diagram, as can be seen from Figure 9, when other diaxons are constant, simple change angle, the response of the sound wave of different frequency is different, adds ITD, IID, and three conditions accurately can orient current source of sound angle.Effect is distinguished according to different, can by different spacing accuracies between the coordinate points of collection, generally speaking, people's ear that can meet most user for precision with 1 ° to 5 ° distinguishes requirement.After whole collection, form source of sound angle-data storehouse.
Embodiment four
Figure 13 is the exemplary block diagram of a kind of record device of the present embodiment; As shown in figure 13, described correcting module 20 comprises:
Transmitting element 21, for being sent to audio signal compensation module by described acoustic signals and described source of sound angle-data;
Call unit 22, for calling default head related transfer function, obtains the offset of described acoustic signals in phase place, frequency and intensity;
Compensating unit 23, for revising in real time described acoustic signals according to described offset, obtains revised sound waveform.
In the present embodiment, described head related transfer function HRTF is preset in the audio signal compensation module in mobile terminal, audio signal compensation module is after receiving the angle-data and original acoustic wave signal transmitted, apply mechanically preset HRTF model, obtain the size that this original acoustic wave signal should compensate in phase place, frequency, intensity, and then original acoustic wave signal is revised in real time, draw one meet HRTF model more close to the actual sound field that people's ear is heard, locating effect is better, really reaches the effect of " visual sound field ", " Yesterday Once More ".
Embodiment five
Figure 14 is the exemplary block diagram of a kind of mobile terminal of the present embodiment; As shown in figure 14, described mobile terminal 100 comprises the arbitrary record device 1001 described in above embodiment.
In the present embodiment, also comprise: analog to digital converter 1002 and processor 1003, wherein,
Analog to digital converter 1002, carries out analog-to-digital conversion for the acoustic signals collected microphone array;
Processor 1003, for calculating and process.
It should be noted that, in this article, term " comprises ", " comprising " or its any other variant are intended to contain comprising of nonexcludability, thus make to comprise the process of a series of key element, method, article or device and not only comprise those key elements, but also comprise other key elements clearly do not listed, or also comprise by the intrinsic key element of this process, method, article or device.When not more restrictions, the key element limited by statement " comprising ... ", and be not precluded within process, method, article or the device comprising this key element and also there is other identical element.
The invention described above embodiment sequence number, just to describing, does not represent the quality of embodiment.
Through the above description of the embodiments, those skilled in the art can be well understood to the mode that above-described embodiment method can add required general hardware platform by software and realize, hardware can certainly be passed through, but in a lot of situation, the former is better execution mode.Based on such understanding, technical scheme of the present invention can embody with the form of software product the part that prior art contributes in essence in other words, this computer software product is stored in a storage medium (as ROM/RAM, magnetic disc, CD), comprising some instructions in order to make a station terminal equipment (can be mobile phone, computer, server, air conditioner, or the network equipment etc.) perform method described in each embodiment of the present invention.
These are only the preferred embodiments of the present invention; not thereby the scope of the claims of the present invention is limited; every utilize specification of the present invention and accompanying drawing content to do equivalent structure or equivalent flow process conversion; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present invention.
Claims (10)
1. a method for recording, is characterized in that, comprising:
Gather acoustic signals, obtain the source of sound angle-data of described acoustic signals;
According to described source of sound angle-data, described acoustic signals is revised in real time, obtain revised sound waveform;
Described revised sound waveform is preserved in memory according to preset file format.
2. a kind of method for recording according to claim 1, is characterized in that, described collection acoustic signals, and the source of sound angle-data obtaining described acoustic signals specifically comprises:
Start the sound-recording function of mobile terminal, Real-time Collection acoustic signals;
Intensity difference between time difference and microphone is gathered between the frequency response of described acoustic signals, microphone by the microphone array of mobile terminal;
Contrast preset source of sound angle-data storehouse, according between described frequency response, microphone between time difference and microphone intensity difference obtain the source of sound angle-data of described acoustic signals.
3. a kind of method for recording according to claim 2, is characterized in that, the generation method in described source of sound angle-data storehouse is:
Under noise elimination laboratory environment, be the center of circle with mobile terminal, on concentric circles on each three-dimensional coordinate point, play the swept-frequency signal of [20,20000] Hz;
Start the sound-recording function of mobile terminal, by the microphone array collection of mobile terminal from the acoustic signals on each three-dimensional coordinate point;
Set up the corresponding relation between source of sound angle and frequency response, microphone between time difference and microphone between intensity difference by the acoustic signals on each three-dimensional coordinate point described, form source of sound angle-data storehouse.
4. a kind of method for recording according to claim 1, is characterized in that, describedly revises in real time described acoustic signals according to described source of sound angle-data, obtains revised sound waveform and specifically comprises:
Described acoustic signals and described source of sound angle-data are sent to audio signal compensation module;
Call default head related transfer function, obtain the offset of described acoustic signals in phase place, frequency and intensity;
According to described offset, described acoustic signals is revised in real time, obtain revised sound waveform.
5. a record device, is characterized in that, comprising:
Acquisition module, for gathering acoustic signals, obtains the source of sound angle-data of described acoustic signals;
Correcting module, for revising in real time described acoustic signals according to described source of sound angle-data, obtains revised sound waveform;
Preserve module, for being preserved in memory according to preset file format by described revised sound waveform.
6. a kind of record device according to claim 5, is characterized in that, described acquisition module comprises:
Start recoding unit, for starting the sound-recording function of mobile terminal, Real-time Collection acoustic signals;
Parameter acquisition unit, for gathering between the frequency response of described acoustic signals, microphone intensity difference between time difference and microphone by the microphone array of mobile terminal;
Contrast unit, for contrasting default source of sound angle-data storehouse, according between described frequency response, microphone between time difference and microphone intensity difference obtain the source of sound angle-data of described acoustic signals.
7. a kind of record device according to claim 6, is characterized in that, the generation method in described source of sound angle-data storehouse is:
Under noise elimination laboratory environment, be the center of circle with mobile terminal, on concentric circles on each three-dimensional coordinate point, play the swept-frequency signal of [20,20000] Hz;
Start the sound-recording function of mobile terminal, by the microphone array collection of mobile terminal from the acoustic signals on each three-dimensional coordinate point;
Set up the corresponding relation between source of sound angle and frequency response, microphone between time difference and microphone between intensity difference by the acoustic signals on each three-dimensional coordinate point described, form source of sound angle-data storehouse.
8. a kind of record device according to claim 1, is characterized in that, described correcting module comprises:
Transmitting element, for being sent to audio signal compensation module by described acoustic signals and described source of sound angle-data;
Call unit, for calling default head related transfer function, obtains the offset of described acoustic signals in phase place, frequency and intensity;
Compensating unit, for revising in real time described acoustic signals according to described offset, obtains revised sound waveform.
9. a mobile terminal, is characterized in that, comprises the record device described in claim 5-8 any one.
10. a kind of mobile terminal according to claim 9, is characterized in that, also comprise: analog to digital converter and processor, wherein,
Analog to digital converter, carries out analog-to-digital conversion for the acoustic signals collected microphone array;
Processor, for calculating and process.
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105916096A (en) * | 2016-05-31 | 2016-08-31 | 努比亚技术有限公司 | Sound waveform processing method and device, mobile terminal and VR head-mounted device |
| CN105931451A (en) * | 2016-06-24 | 2016-09-07 | 南京紫米网络科技有限公司 | Voice control sensor based on acoustic wave vibration encoding technology |
| CN106023983A (en) * | 2016-04-27 | 2016-10-12 | 广东欧珀移动通信有限公司 | Multi-user voice interaction method and device based on virtual reality scene |
| CN108366216A (en) * | 2018-02-28 | 2018-08-03 | 深圳市爱影互联文化传播有限公司 | TV news recording, record and transmission method, device and server |
| CN109990889A (en) * | 2017-12-29 | 2019-07-09 | 深圳市优必选科技有限公司 | Control method and device of recording robot |
| CN110428806A (en) * | 2019-06-03 | 2019-11-08 | 清华大学 | Interactive voice based on microphone signal wakes up electronic equipment, method and medium |
| CN111052002A (en) * | 2017-09-13 | 2020-04-21 | 三星电子株式会社 | Electronic device and control method thereof |
| CN111201165A (en) * | 2017-10-11 | 2020-05-26 | 赵元基 | Intelligent control method and device for vehicle for defending against relay station attack by utilizing mobile equipment |
| CN111312295A (en) * | 2018-12-12 | 2020-06-19 | 深圳市冠旭电子股份有限公司 | Holographic sound recording method and device and recording equipment |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102403022A (en) * | 2010-09-13 | 2012-04-04 | 三洋电机株式会社 | Recording apparatus, recording condition setting method, and recording condition setting program |
| CN103901400A (en) * | 2014-04-10 | 2014-07-02 | 北京大学深圳研究生院 | Binaural sound source positioning method based on delay compensation and binaural coincidence |
| US8862189B2 (en) * | 2011-08-29 | 2014-10-14 | Kyocera Corporation | Portable electronic device, sound output method, and sound output program |
| JP2015070291A (en) * | 2013-09-26 | 2015-04-13 | 沖電気工業株式会社 | Sound collection/emission device, sound source separation unit and sound source separation program |
-
2015
- 2015-08-25 CN CN201510528992.XA patent/CN105227743B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102403022A (en) * | 2010-09-13 | 2012-04-04 | 三洋电机株式会社 | Recording apparatus, recording condition setting method, and recording condition setting program |
| US8862189B2 (en) * | 2011-08-29 | 2014-10-14 | Kyocera Corporation | Portable electronic device, sound output method, and sound output program |
| JP2015070291A (en) * | 2013-09-26 | 2015-04-13 | 沖電気工業株式会社 | Sound collection/emission device, sound source separation unit and sound source separation program |
| CN103901400A (en) * | 2014-04-10 | 2014-07-02 | 北京大学深圳研究生院 | Binaural sound source positioning method based on delay compensation and binaural coincidence |
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106023983A (en) * | 2016-04-27 | 2016-10-12 | 广东欧珀移动通信有限公司 | Multi-user voice interaction method and device based on virtual reality scene |
| CN105916096B (en) * | 2016-05-31 | 2018-01-09 | 努比亚技术有限公司 | A kind of processing method of sound waveform, device, mobile terminal and VR helmets |
| CN105916096A (en) * | 2016-05-31 | 2016-08-31 | 努比亚技术有限公司 | Sound waveform processing method and device, mobile terminal and VR head-mounted device |
| CN105931451A (en) * | 2016-06-24 | 2016-09-07 | 南京紫米网络科技有限公司 | Voice control sensor based on acoustic wave vibration encoding technology |
| CN111052002B (en) * | 2017-09-13 | 2024-01-26 | 三星电子株式会社 | Electronic device and control method thereof |
| CN111052002A (en) * | 2017-09-13 | 2020-04-21 | 三星电子株式会社 | Electronic device and control method thereof |
| CN111201165B (en) * | 2017-10-11 | 2022-09-16 | 赵元基 | Intelligent control method and device for vehicle for defending against relay station attack by utilizing mobile equipment |
| CN111201165A (en) * | 2017-10-11 | 2020-05-26 | 赵元基 | Intelligent control method and device for vehicle for defending against relay station attack by utilizing mobile equipment |
| CN109990889A (en) * | 2017-12-29 | 2019-07-09 | 深圳市优必选科技有限公司 | Control method and device of recording robot |
| CN109990889B (en) * | 2017-12-29 | 2021-06-29 | 深圳市优必选科技有限公司 | Control method and device of recording robot |
| CN108366216A (en) * | 2018-02-28 | 2018-08-03 | 深圳市爱影互联文化传播有限公司 | TV news recording, record and transmission method, device and server |
| CN111312295A (en) * | 2018-12-12 | 2020-06-19 | 深圳市冠旭电子股份有限公司 | Holographic sound recording method and device and recording equipment |
| CN111312295B (en) * | 2018-12-12 | 2022-06-28 | 深圳市冠旭电子股份有限公司 | Holographic sound recording method and device and recording equipment |
| CN110428806B (en) * | 2019-06-03 | 2023-02-24 | 交互未来(北京)科技有限公司 | Microphone signal based voice interaction wake-up electronic device, method, and medium |
| CN110428806A (en) * | 2019-06-03 | 2019-11-08 | 清华大学 | Interactive voice based on microphone signal wakes up electronic equipment, method and medium |
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Effective date of registration: 20201012 Address after: No.3333, xintongkeng Road, Dongshe Town, Tongzhou District, Nantong City, Jiangsu Province, 226300 Patentee after: JIANGSU BAOYI COMMUNICATION TECHNOLOGY Co.,Ltd. Address before: 518000 Guangdong Province, Shenzhen high tech Zone of Nanshan District City, No. 9018 North Central Avenue's innovation building A, 6-8 layer, 10-11 layer, B layer, C District 6-10 District 6 floor Patentee before: NUBIA TECHNOLOGY Co.,Ltd. |