CN106024013A - Voice data searching method and system - Google Patents
Voice data searching method and system Download PDFInfo
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- CN106024013A CN106024013A CN201610279205.7A CN201610279205A CN106024013A CN 106024013 A CN106024013 A CN 106024013A CN 201610279205 A CN201610279205 A CN 201610279205A CN 106024013 A CN106024013 A CN 106024013A
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- Prior art keywords
- search
- speech data
- user
- voice
- voice messaging
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- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
- G10L25/00—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
- G10L25/48—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 specially adapted for particular use
- G10L25/51—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 specially adapted for particular use for comparison or discrimination
- G10L25/54—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 specially adapted for particular use for comparison or discrimination for retrieval
Abstract
The invention discloses a voice data searching method and system, belonging to the data retrieval field. The method comprises: receiving a search instruction, voice information and a fuzzy searching scope inputted by a user through operating a search key; determining search conditions according to received voice information and fuzzy search scope, the search conditions being the number of characters separated between a keyword determined by the voice information inputted by the user and a keyword determined by the fuzzy searching scope, and/or the voiceprint recognition (VPR) characteristics of the voice information; and searching for voice data according to determined search conditions, and finding voice data matching the search conditions. Accordingly, the method can rapidly position voice data to be searched by users, and enhance user experience, and is fast and convenient.
Description
Technical field
The present invention relates to field of data retrieval, particularly relate to speech data searching method and system.
Background technology
Application on Voiceprint Recognition (Voiceprint Recognition, VPR) is one and speaks according to reflection in speech waveform
Human physiology and the speech parameter of behavior characteristics, and automatically identify the technology of speaker's identity, mainly include spy
Levy extraction and two parts of pattern match.This technology from research and development so far, with its distinctive convenience
The advantages such as property, economy, safety and accuracy receive special concern.As biometrics identification technology
One, this technology sound dialing, telephone bank, teleshopping, database access, information clothes
Are used widely in the Internets such as business, security control and the communications field.
Speech recognition technology is to allow machine with understanding process, voice signal is changed into corresponding literary composition by identifying
Basis or the technology of order.Widely, common application has phonetic entry system to the application of speech recognition
System, relative to input through keyboard, it more meets the daily habits of people, the most more natural, more efficient.
Current speech data way of search is extremely complex, needs user in advance file to be carried out renaming,
Indicate the content of this document, the most again by storing location finding, or audition voice number successively accordingly
According to being just accurately positioned corresponding speech data or position.
Along with the exploitation of social software, speech exchange becomes main on each big social networking application software
One of exchange way.But, increasing of speech data, the difficulty brought is to be not easy to again look into
See.Traditional Word message passes through browsing history, it is possible to preview is to the content of exchange at a glance, also
The searchable information wanted, but speech data is not easy to check and position history message.
Summary of the invention
Present invention is primarily targeted at a kind of speech data searching method of proposition and system, it is intended to solve language
The problem of sound data search difficulty.
For achieving the above object, a kind of speech data searching method that the present invention provides, the method includes step
Rapid: to receive user and by search instruction, the voice messaging of operation search key input and search for scope generally；
In conjunction with the voice messaging received with search for scope generally and determine that search condition, described voice messaging determine
Keyword in described search condition, described in search for scope generally and determine keyword in described search condition
The number of characters at interval between character；According to the search condition search speech data confirmed, find and search for bar
The speech data that part matches.
Alternatively, scope of searching for generally described in presses described search key by pressure sensor senses user
Force value obtains.
Alternatively, the method further comprises the steps of: and by speech recognition technology, speech data is converted to word
Information, is stored in keyword database.
Alternatively, the method further comprises the steps of: and speech data carries out vocal print feature extraction, generates vocal print
Information, is stored in voice print database；The voice messaging received is carried out vocal print feature extraction, with really
Determine the vocal print feature that search condition is described voice messaging；By vocal print feature and the voice of described voice messaging
Voiceprint in the voice print database that data are corresponding mates, and matches with search condition to find
Speech data.
Alternatively, described vocal print feature extraction includes utilizing Cepstrum Method to calculate pitch period parameter, then leads to
Cross Mel wave filter and voice signal power is converted into Mel cepstrum coefficient, utilize feature extraction algorithm by two
Plant parameter group and become a kind of vocal print parameter, set up a gauss hybrid models for speaker.
Alternatively, the method further comprises the steps of: the search pattern setting up speech data search, described search
Pattern includes keyword search pattern, vocal print search pattern and double conditional search pattern；Receive user to select
Search pattern, according to user select search pattern perform corresponding search operation.
Additionally, for achieving the above object, the present invention also proposes a kind of speech data search system, this system
Including: receive unit, for receiving user by the search instruction of operation search key input, voice messaging
And search for scope generally；Determine unit, be used for combining the voice messaging received and search for scope generally true
Determining search condition, described voice messaging determines the keyword in described search condition, described in search for generally
Scope determines the number of characters being spaced between keyword character in described search condition；Search unit, is used for
According to the search condition search speech data confirmed, find the speech data matched with search condition.
Alternatively, this system also includes: set up unit, for speech data is passed through speech recognition technology
Be converted to Word message, be stored in keyword database.
Alternatively, described unit of setting up is additionally operable to carry out speech data vocal print feature extraction, generates vocal print
Information, is stored in voice print database；Described determine unit to be additionally operable to the voice messaging received to carry out
Vocal print feature extraction, to determine the vocal print feature that search condition is described voice messaging；Described search unit
It is additionally operable to believe the vocal print in voice print database corresponding with speech data for the vocal print feature of described voice messaging
Breath mates, to find the speech data matched with search condition.
Alternatively, described unit of setting up is additionally operable to set up the search pattern of speech data search, described search
Pattern includes keyword search pattern, vocal print search pattern and double conditional search pattern；Described reception unit
It is additionally operable to receive the search pattern that user selects.
The speech data searching method of present invention proposition and system, it is possible to according to the voice messaging of user's input
The number of characters at interval between the keyword that the keyword determined and scope of searching for generally determine, and/or voice letter
The vocal print feature of breath, searches for qualified speech data, positions rapidly the language wanted to look up for user
Sound data, convenient and swift, enhance Consumer's Experience.
Accompanying drawing explanation
Fig. 1 is the hardware architecture diagram realizing each one optional mobile terminal of 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 speech data searching method that first embodiment of the invention proposes；
Fig. 4 is the flow chart of a kind of speech data searching method that second embodiment of the invention proposes；
Fig. 5 is the flow chart of a kind of speech data searching method that third embodiment of the invention proposes；
Fig. 6 is the flow chart of a kind of speech data searching method that fourth embodiment of the invention proposes；
Fig. 7 is the interface schematic diagram of a kind of speech data searching method that the present invention proposes；
Fig. 8 is the module diagram of a kind of speech data search system that fifth embodiment of the invention proposes.
The realization of the object of the invention, functional characteristics and advantage will in conjunction with the embodiments, do referring to the drawings further
Explanation.
Detailed description of the invention
Should be appreciated that specific embodiment described herein, only in order to explain the present invention, is not used to limit
Determine the present invention.
The mobile terminal realizing each embodiment of the present invention is described referring now to accompanying drawing.In follow-up description
In, use the suffix being used for representing such as " module ", " parts " or " unit " of element only for having
It is beneficial to the explanation of the present invention, itself does not has specific meaning.Therefore, " module " is permissible with " parts "
Mixedly use.
Mobile terminal can be implemented in a variety of manners.Such as, the terminal described in the present invention can include
(individual digital helps for such as mobile phone, smart phone, notebook computer, digit broadcasting receiver, PDA
Reason), PAD (panel computer), PMP (portable media player), the movement of guider etc.
The fixed terminal of terminal and such as numeral TV, desk computer etc..Hereinafter it is assumed that terminal is to move
Dynamic terminal.However, it will be understood by those skilled in the art that, except being used in particular for the element of mobile purpose
Outside, structure according to the embodiment of the present invention can also apply to the terminal of fixed type.
Fig. 1 is the hardware configuration signal realizing each one optional mobile terminal of embodiment of the present invention.
Mobile 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, memorizer 160, interface
Unit 170, controller 180 and power subsystem 190 etc..Fig. 1 shows the shifting with various assembly
Dynamic terminal, it should be understood that be not required for implementing all assemblies illustrated.Can alternatively implement
More or less of 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 mobile terminal 100 and nothing
Radio communication between line communication system or network.Such as, wireless communication unit can include that broadcast connects
Receive module 111, mobile communication module 112, wireless Internet module 113, short range communication module 114 and
At least one in positional information module 115.
Broadcast reception module 111 via broadcast channel from external broadcasting management server receive broadcast singal and/
Or broadcast related information.Broadcast channel can include satellite channel and/or terrestrial channel.Broadcast control services
Device can be to generate and send generation before broadcast singal and/or the server of broadcast related information or reception
Broadcast singal and/or broadcast related information and send it to the server of terminal.Broadcast singal is permissible
Including 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 is also
Can provide via mobile communications network, and in this case, broadcast related information can be by mobile logical
Letter module 112 receives.Broadcast singal can exist in a variety of manners, and such as, they can be many with numeral
The electronic program guides (EPG) of media broadcast (DMB), the electronics clothes of digital video broadcast-handheld (DVB-H)
The form of business guide (ESG) etc. and exist.Broadcast reception module 111 can be by using all kinds
Broadcast system receive signal broadcast.Especially, broadcast reception module 111 can be the most by using
Media broadcast-ground (DMB-T), DMB-satellite (DMB-S), DVB-hands
Hold (DVB-H), the Radio Data System of forward link media (MediaFLO@), received terrestrial digital broadcasting
The digit broadcasting system of integrated service (ISDB-T) etc. receives digital broadcasting.Broadcast reception module 111 can
To be configured to be adapted to provide for the various broadcast systems of broadcast singal and above-mentioned digit broadcasting system.Via
Broadcast singal and/or broadcast related information that broadcast reception module 111 receives can be stored in memorizer
In 160 (or other type of storage mediums).
Mobile communication module 112 sends radio signals to base station (such as, access point, node B etc.
Deng), in exterior terminal and server at least one and/or receive from it radio signal.Such
Radio signal can include voice call signal, video calling signal or according to text and/or many matchmakers
Various types of data that body message sends and/or receives.
Wireless Internet module 113 supports the Wi-Fi (Wireless Internet Access) of mobile terminal.This module can be internal
Or externally it is couple to terminal.Wi-Fi (Wireless Internet Access) technology involved by this module can include
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 module for supporting junction service.Some of short-range communication technology are shown
Example include bluetooth TM, RF identification (RFID), Infrared Data Association (IrDA), ultra broadband (UWB),
Purple honeybee TM etc..
Positional information module 115 is the module of positional information for checking or obtain mobile terminal.Position
The typical case of information module is GPS (global positioning system).According to current technology, GPS module
115 calculate from the range information of three or more satellites and correct time information and for calculating
Information application triangulation, thus according to longitude, latitude and highly accurately calculating three-dimensional current location
Information.Currently, for calculating method three satellites of use of position and temporal information and by using separately
An outer satellite corrects the position and the error of temporal information calculated.Additionally, GPS module 115 energy
Enough calculate velocity information by Continuous plus current location information in real time.
A/V input block 120 is used for receiving audio or video signal.A/V input block 120 can wrap
Include camera 121 and mike 1220, camera 121 in Video Capture pattern or image capture mode by
Static images or the view data of video that image capture apparatus obtains process.Picture frame after process
May be displayed on display unit 151.Picture frame after camera 121 processes can be stored in memorizer
It is transmitted in 160 (or other storage mediums) or via wireless communication unit 110, can be according to movement
The structure of terminal provides two or more cameras 1210.Mike 122 can be in telephone calling model, note
Record pattern, speech recognition mode etc. operational mode receives sound (voice data) via mike, and
And can be voice data by such acoustic processing.Audio frequency (voice) data after process can be at phone
Be converted to be sent to via mobile communication module 112 lattice of mobile communication base station in the case of call mode
Formula exports.Mike 122 can be implemented various types of noise and eliminate (or suppression) algorithm and (or press down eliminating
System) in the noise received and produce during transmission audio signal or interference.
It is mobile to control that user input unit 130 can generate key input data according to the order of user's input
The various operations of terminal.User input unit 130 allows user to input various types of information, and can
With include keyboard, metal dome, touch pad (such as, detection due to touched and cause resistance, pressure,
The sensitive component of the change of electric capacity etc.), roller, rocking bar etc..Especially, when touch pad is with the shape of layer
When formula is superimposed upon on display unit 151, touch screen can be formed.
Sensing unit 140 detects the current state of mobile terminal 100, (such as, the beating of mobile terminal 100
Open or close closed state), the position of mobile terminal 100, user for mobile terminal 100 contact (i.e.,
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 the order or signal being used for controlling the operation of mobile terminal 100.Such as, when
When mobile terminal 100 is embodied as sliding-type mobile phone, sensing unit 140 can sense this sliding-type electricity
Words are opened or are closed.It addition, sensing unit 140 can detect whether power subsystem 190 provides electricity
Whether power or interface unit 170 couple with external device (ED).Sensing unit 140 can include close to sensing
This is described by device 1410 by combining touch screen below.
Interface unit 170 is used as at least one external device (ED) and is connected connecing of can passing through with mobile terminal 100
Mouthful.Such as, external device (ED) can include wired or wireless head-band earphone port, external power source (or battery
Charger) port, wired or wireless FPDP, memory card port, for connect there is identification module
The port of device, audio frequency input/output (I/O) port, video i/o port, ear port etc..Identify
Module can be to store for verifying that user uses the various information of mobile terminal 100 and can include using
Family identification module (UIM), client identification module (SIM), Universal Subscriber identification module (USIM) etc..Separately
Outward, have identification module device (hereinafter referred to as " identify device ") can to take the form of smart card, because of
This, identify that device can be connected with mobile terminal 100 via port or other attachment means.Interface unit
170 may be used for reception from the input (such as, data message, electric power etc.) of external device (ED) and will connect
One or more elements that the input received is transferred in mobile terminal 100 or may be used for mobile eventually
Data are transmitted between end and external device (ED).
It addition, when mobile terminal 100 is connected with external base, interface unit 170 can serve as allowing
The path of mobile terminal 100 or can serve as is provided to allow from base electric power by it defeated from base
The various command signals entered are transferred to the path of mobile terminal by it.From the various order letters of base input
Number or electric power may serve as identify mobile terminal whether be accurately fitted within the signal on base.Output
Unit 150 is configured to provide output signal (such as, audio frequency letter with vision, audio frequency and/or tactile manner
Number, video signal, alarm signal, vibration signal etc.).Output unit 150 can include display unit
151, dio Output Modules 152, alarm unit 153 etc..
Display unit 151 may be displayed on the information processed in mobile terminal 100.Such as, when mobile whole
When end 100 is in telephone calling model, display unit 151 can show and call or other (example that communicates
As, text messaging, multimedia file download etc.) relevant user interface (UI) or graphical user circle
Face (GUI).When mobile terminal 100 is in video calling pattern or image capture mode, display unit
151 images that can show capture and/or the image of reception, video or image and correlation function are shown
UI or GUI etc..
Meanwhile, when display unit 151 and touch pad the most superposed on one another with formed touch screen time,
Display unit 151 can serve as input equipment and output device.Display unit 151 can include liquid crystal
Show device (LCD), thin film transistor (TFT) LCD (TFT-LCD), Organic Light Emitting Diode (OLED) display,
At least one in flexible display, three-dimensional (3D) display etc..Some in these display are permissible
Being configured to transparence watch from outside with permission user, this is properly termed as transparent display, the most thoroughly
Bright display can for example, TOLED (transparent organic light emitting diode) display etc..Think according to specific
The embodiment wanted, mobile terminal 100 can include two or more display units (or other display dress
Put), such as, mobile terminal can include that outernal display unit (not shown) and inner display unit (are not shown
Go out).Touch screen can be used for detecting touch input pressure and touch input position and touch input area.
Dio Output Modules 152 can mobile terminal be in call signal receive pattern, call mode,
Time under the isotypes such as logging mode, speech recognition mode, broadcast reception mode, by wireless communication unit
110 receive or in memorizer 160 storage voice data transducing audio signal and be output as sound
Sound.And, the specific function that dio Output Modules 152 can provide to mobile terminal 100 performs is relevant
Audio frequency output (such as, call signal receive sound, message sink sound etc.).Dio Output Modules
152 can include speaker, buzzer etc..
Alarm unit 153 can provide output to notify event to mobile terminal 100.Typical case
Event can include calling receptions, message sink, key signals input, touch input etc..Except sound
Outside frequency or video frequency output, alarm unit 153 can provide output with notification event in a different manner
Occur.Such as, alarm unit 153 can provide output with the form of vibration, when receiving calling, disappearing
When breath or some other entrance communication (incomingcommunication), alarm unit 153 can provide
Sense of touch output (that is, vibration) is 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 is able to identify the generation of various event.
Alarm unit 153 can also provide notification event via display unit 151 or dio Output Modules 152
The output occurred.
Memorizer 160 can store the process performed by controller 180 and control the software program etc. of operation
Deng, or can temporarily store oneself through output maybe will export data (such as, telephone directory, message,
Still image, video etc.).And, memorizer 160 can store and be applied to touch screen about when touch
Time the vibration of various modes of output and the data of audio signal.
Memorizer 160 can include that the storage medium of at least one type, described storage medium include dodging
Deposit, hard disk, multimedia card, card-type memorizer (such as, SD or DX memorizer etc.), random access
Memorizer (RAM), static random-access memory (SRAM), read only memory (ROM), electric erasable
Programmable read only memory (EEPROM), programmable read only memory (PROM), magnetic storage, magnetic
Dish, CD etc..And, mobile terminal 100 can be connected execution memorizer 160 with by network
The network storage device cooperation of storage function.
Controller 180 generally controls the overall operation of mobile terminal.Such as, controller 180 performs and language
Control that sound call, data communication, video calling etc. are relevant and process.It addition, controller 180 can
To include the multi-media module 1810 for reproducing (or playback) multi-medium data, multi-media module 1810 can
With structure in controller 180, or it is so structured that separate with controller 180.Controller 180 can
To perform pattern recognition process, draw input with the handwriting input that will perform on the touchscreen or picture and know
Wei character or image.
Power subsystem 190 receives external power or internal power under the control of controller 180 and provides
Operate the suitable electric power needed for each element and assembly.
Various embodiment described herein can be to use such as computer software, hardware or its any group
The computer-readable medium closed is implemented.Implementing for hardware, embodiment described herein can pass through
Use application-specific IC (ASIC), digital signal processor (DSP), digital signal processing device
(DSPD), programmable logic device (PLD), field programmable gate array (FPGA), processor, control
Device processed, microcontroller, microprocessor, it is designed to perform in the electronic unit of function described herein
At least one is implemented, and in some cases, such embodiment can be real in controller 180
Execute.Implementing for software, the embodiment of such as process or function can perform at least one merit with permission
The single software module that can or operate is implemented.Software code can be by with any suitable programming language
The software application (or program) write is implemented, and software code can be stored in memorizer 160 also
And performed by controller 180.
So far, oneself is through describing mobile terminal according to its function.Below, for the sake of brevity, will describe
Various types of mobile terminals of such as folded form, board-type, oscillating-type, slide type mobile terminal etc.
In slide type mobile terminal as example.Therefore, the present invention can be applied to any kind of mobile whole
End, and it is not limited to slide type mobile terminal.
Mobile terminal 100 may be constructed such that utilization is via frame or packet transmission data as shown in Figure 1
The most wired and wireless communication system and satellite-based communication system operate.
The communication system being wherein operable to according to the mobile terminal of the present invention is described referring now to Fig. 2.
Such communication system can use different air interfaces and/or physical layer.Such as, by communication system
The air interface that system uses includes such as frequency division multiple access (FDMA), time division multiple acess (TDMA), CDMA
(CDMA) move lead to UMTS (UMTS) (especially, Long Term Evolution (LTE)), the whole world
Communication system (GSM) etc..As non-limiting example, explained below relates to cdma communication system,
But such teaching is equally applicable to other type of system.
With reference to Fig. 2, cdma wireless communication system can include multiple mobile terminal 100, multiple base station
(BS) 270, base station controller (BSC) 275 and mobile switching centre (MSC) 280.MSC280 is constructed
For forming interface with Public Switched Telephony Network (PSTN) 290.MSC280 be also structured to can be through
The BSC275 being couple to base station 270 by back haul link forms interface.If back haul link can be according to Ganji
Any one in the interface known constructs, and described interface includes such as E1/T1, ATM, IP, PPP,
Frame relay, HDSL, ADSL or xDSL.It will be appreciated that system as shown in Figure 2 can be wrapped
Include multiple BSC2750.
Each BS270 can service one or more subregion (or region), by multidirectional antenna or point to specific
Each subregion that the antenna in direction covers is radially away from BS270.Or, each subregion can by with
Two or more antennas in diversity reception cover.Each BS270 may be constructed such that the multiple frequencies of support
Distribute, and the distribution of each frequency has specific frequency spectrum (such as, 1.25MHz, 5MHz etc.).
Intersecting that subregion and frequency are distributed can be referred to as CDMA Channel.BS270 can also be referred to as base
Station transceiver subsystem (BTS) or other equivalent terms.In this case, term " base station " is permissible
For broadly representing single BSC275 and at least one BS270.Base station can also be referred to as " cellular station
".Or, each subregion of specific BS270 can be referred to as multiple cellular station.
As shown in Figure 2, broadcast singal is sent in system operation by broadcsting transmitter (BT) 295
Mobile terminal 100.Broadcast reception module 111 is arranged at mobile terminal 100 as shown in Figure 1
The broadcast singal sent by BT295 with reception.In fig. 2 it is shown that several global positioning systems (GPS)
Satellite 300.Satellite 300 helps to position at least one in multiple mobile terminals 100.
In fig. 2, depict multiple satellite 300, it is understood that be, it is possible to use any number of
Satellite obtains useful location information.GPS module 115 is generally configured to and defends as shown in Figure 1
Star 300 coordinates the location information wanted with acquisition.Substitute GPS tracking technique or follow the tracks of skill at GPS
Outside art, it is possible to use other technology of the position of mobile terminal can be followed the tracks of.It addition, at least one
Gps satellite 300 can optionally or additionally process satellite dmb transmission.
As a typical operation of wireless communication system, BS270 receives from various mobile terminals 100
Reverse link signal.Mobile terminal 100 generally participates in call, information receiving and transmitting and other type of logical
Letter.Each reverse link signal that certain base station 270 receives is processed in specific BS270.Obtain
The data obtained are forwarded to the BSC275 being correlated with.BSC provide call resource distribution and include BS270 it
Between the mobile management function of coordination of soft switching process.The data received also are routed to by BSC275
MSC280, it provides the extra route service for forming interface with PSTN290.Similarly,
PSTN290 Yu MSC280 forms interface, MSC Yu BSC275 forms interface, and BSC275 phase
BS270 should be controlled forward link signals to be sent to mobile terminal 100 in ground.
Based on above-mentioned mobile terminal hardware configuration and communication system, each is implemented to propose the inventive method
Example.
The present invention propose a kind of speech data searching method, be applied in mobile terminal, for according to
The speech data of storage in the search condition search mobile terminal of family input.Described speech data include but not
It is limited in each application software of mobile terminal audio file or the speech message once received.
Embodiment one
As it is shown on figure 3, first embodiment of the invention proposes a kind of speech data searching method, the method bag
Include following steps:
S100, receives the search instruction of user's input.
Specifically, search key is set in the terminal, when user needs to search for speech data, operation
This search key (such as touch or press) is to send search instruction, and speech data is scanned for by startup
Function.In the present embodiment, this search key can be entity home key or virtual home key.
S200, receives the voice messaging of user's input.
Specifically, when, after the search instruction receiving user, the display interface at mobile terminal points out user
Input voice information.In the present embodiment, user's sustained touch or press this search key with input voice letter
Breath, be may select and inputted by the mike of earphone or mobile terminal configuration.Such as, at display interface
After prompting user input voice information, this search key of user's Continued depression, and say " I facing to mike
Go to climb the mountain ", then mobile terminal receive user input voice messaging " we go to climb the mountain ".
S300, receive user's input searches for scope generally.
Specifically, arranging pressure transducer in the terminal, described pressure transducer can be arranged on this
Pressure information below search key, during for receiving this search key of user operation.When user input voice is believed
After breath, scope is searched in display interface prompting user's input generally.User is by pressing search key to search key
Region applies pressure, after pressure sensor senses to force value, this force value is sent to processor, place
Reason device according to force value determine correspondence search for scope generally.Wherein, scope of searching for generally described in refers to use
The number of characters N at interval between word in the voice messaging of family input.This number of characters N is along with pressure transducer
The increase of the force value detected and dynamically increase.In the present embodiment, this number of characters N refers to this voice
Number of characters between each word of information.Such as, after user presses this search key, pressure transducer is detectd
Measuring force value is 2, then between each word of this voice messaging, the number of characters at interval is 2.
In other embodiments, this number of characters N can also refer to the number of characters between certain two adjacent word.Logical
Cross and this number of characters N is set, it is possible to achieve the voice messaging of input is searched for generally, and by setting
Put different gap character number N, search speed can be accelerated.
S400, in conjunction with the voice messaging received with search for scope generally and determine search condition.
Specifically, described voice messaging determines the keyword in described search condition, described in search for generally
Scope determines the number of characters being spaced between keyword character in described search condition.Such as, when receiving
Voice messaging be " we go to climb the mountain ", the scope of searching for generally is gap character number when being 2, determines
Search condition is " I * * * * goes * * to climb * * mountain * * ".
Further, described voice messaging and scope of searching for generally further define in described search condition crucial
The order of word.
In other embodiments, if user skips input searches for the step of scope generally, mould is not inputted
Stick with paste hunting zone, then, when determining search condition, only consider the keyword that described voice messaging provides, no
Consider number of characters and the order of keyword at interval between keyword character.
S500, according to the speech data that the search condition search confirmed is to be matched, finds and search condition phase
The speech data of coupling.
Specifically, match with search condition and refer to, speech data content exists identical with search condition
Keyword, and the number of characters that is not more than in search condition of number of characters at interval between adjacent keyword character
N.After search completes, display interface display Search Results, i.e. match with search condition described in display
Speech data.
Further, user can carry out audition to the speech data in Search Results.If recognizing after audition
For the speech data not suited the requirements, user can be by continuing to apply this search key force value, expansion
The scope searched for generally greatly, mobile terminal the most again mates according to new search condition and shows.
The speech data searching method that the present embodiment proposes, the voice messaging inputted by user is searched with fuzzy
Rope scope determines search condition, thus searches for the speech data matched in the terminal, convenient fast
Victory, enhances Consumer's Experience.
Embodiment two
As shown in Figure 4, second embodiment of the invention proposes a kind of speech data searching method.Real second
Executing in example, described speech data searching method is similar with the step of first embodiment, and difference is in step
Further comprise the steps of: before rapid S100
S102, sets up the keyword database that speech data is corresponding.
Specifically, the speech data in mobile terminal is converted to Word message by speech recognition technology,
Unification is stored in keyword database, and is closed with corresponding speech data by every Word message
Connection.
In the present embodiment, step S500 specifically includes, to be matched according to the search condition search confirmed
Keyword database corresponding to speech data, to find the speech data matched with search condition.
The speech data searching method that the present embodiment proposes, by pre-building keyword database, in advance
Speech data in mobile terminal is converted to Word message, it is to avoid when coupling again to voice to be matched
Data are changed, and can accelerate matching speed, position rapidly the speech data wanted to look up for user.
Embodiment three
As it is shown in figure 5, third embodiment of the invention proposes a kind of speech data searching method.Real the 3rd
Executing in example, the step of described speech data searching method and the second embodiment is similar, and difference is by step
Rapid S104 step of replacing S102, and by step S304 step of replacing S300 and step S400.The method
Specifically include following steps:
S104, sets up the voice print database that speech data is corresponding.
Specifically, the speech data in mobile terminal is carried out vocal print feature extraction, generates voiceprint,
Unification is stored in voice print database, and is associated with corresponding speech data by every voiceprint.
Described vocal print feature extraction includes utilizing Cepstrum Method to calculate pitch period parameter, then by Mel wave filter
Voice signal power is converted into Mel cepstrum coefficient (MFCC), utilizes feature extraction algorithm by two seed ginsengs
Array becomes a kind of vocal print parameter, and the speaker for each speech data sets up a gauss hybrid models.
S100, receives the search instruction of user's input.
S200, receives the voice messaging of user's input.
S304, carries out vocal print feature extraction to this voice messaging, to determine search condition.
Specifically, described search condition is the vocal print feature of this voice messaging.
S500, according to the speech data that the search condition search confirmed is to be matched, finds and search condition phase
The speech data of coupling.
In the present embodiment, this step specifically includes, by the vocal print feature of this voice messaging with to be matched
Voiceprint in the voice print database that speech data is corresponding mates, to find and search condition phase
The speech data joined.Match with search condition and refer to, the vocal print in the voiceprint of speech data association
Feature is identical with the vocal print feature of this voice messaging.After search completes, display interface display search knot
Really, i.e. the speech data that matches with search condition described in display.
The speech data searching method that the present embodiment proposes, carries out sound by the voice messaging inputting user
Stricture of vagina feature extraction determines search condition, thus searches for the speech data matched in the terminal.And
And by pre-building voice print database, in advance the speech data in mobile terminal is carried out vocal print feature and carry
Take, it is to avoid when coupling, speech data to be matched is extracted again, matching speed can be accelerated, be rapidly
User positions the speech data wanted to look up.
Embodiment four
As shown in Figure 6, fourth embodiment of the invention proposes a kind of speech data searching method, the method bag
Include step:
S106, sets up the search pattern of speech data search.
Specifically, described search pattern includes but not limited to: keyword search pattern, vocal print search pattern
And double conditional search pattern.The voice according to only user input of search under described keyword search pattern
Voice content in information, unrelated with vocal print feature.Under described vocal print search pattern, the foundation of search is only
Vocal print feature in the voice messaging of user's input, unrelated with voice content.Described pair of conditional search pattern
The foundation of lower search is for meeting the requirement of vocal print feature and voice content simultaneously.
S108, receives the search pattern that user selects, and the search pattern selected according to user performs to search accordingly
Rope operates.
Specifically, when user selected keyword search pattern, perform first embodiment or the second embodiment
In step.When user selects vocal print search pattern, perform the step in the 3rd embodiment.Work as user
When selecting double conditional search pattern, by the step in first embodiment or the second embodiment and the 3rd embodiment
In step combine execution search operation.Under described pair of conditional search pattern, search condition includes
The keyword that voice messaging according to user's input determines, determines according to the scope of searching for generally of user's input
Keyword character between the number of characters at interval, and the vocal print feature of this voice messaging.
The speech data searching method that the present embodiment proposes, it is possible to use family selects to close according to the needs of oneself
Suitable search pattern, accurately searches the speech data wanted to look up under different search conditions, strengthens
Consumer's Experience.
Should be appreciated that in other embodiments, in order to realize precise search, it is also possible at above-described embodiment
Step is increased, to adjust search condition on the basis of one to four.
Such as, mobile terminal obtain speech data time mark speech data ownership place (as wechat,
QQ etc.) or routing information, and according to this ownership place or routing information to voice data classification.When
After having received the voice messaging of user's input, it is also possible to prompting user inputs the speech data of needs search
Ownership place or path, scan for from qualified file.
The most such as, mobile terminal is filling flag bit when generating speech data, and this flag bit is used for indicating this
Speech data is by earphone typing or the mike typing carried by terminal.Can work as according to user
The mode of front input voice information, scans for from the speech data identical with which.
As it is shown in fig. 7, be the interface schematic diagram of a kind of speech data searching method that the present invention proposes, bag
Include:
(1) user presses search key and sends search instruction, and mobile terminal receives the search of user's input and refers to
Order, starts function of search.
(2) display interface prompting user input voice information.This search key of user's Continued depression is with input
Voice messaging " we go to climb the mountain ".
(3) mobile terminal receives this voice messaging and shows in display interface.
(4) scope is searched in display interface prompting user input generally.User presses search key, and pressure passes
It is 2 that sensor detects force value, mobile terminal receive user input search for scope generally, i.e. this language
Between each word of message breath, the number of characters at interval is 2.
(5) mobile terminal combines the voice messaging that receives and searches for scope generally and determine that search condition is
" I * * * * goes * * to climb * * mountain * * ", shows this search condition in display interface.Mobile terminal root
Scan in speech data according to this search condition.
The present invention further provides a kind of speech data search system, run in mobile terminal, for root
According to the speech data of storage in the search condition search mobile terminal of user's input.Described speech data includes
But it is not limited in each application software of mobile terminal audio file or the speech message once received.
Embodiment five
As shown in Figure 8, fifth embodiment of the invention proposes a kind of speech data search system, this system bag
Include:
Receive unit 802, for receiving search instruction, the voice messaging of user's input and searching for model generally
Enclose.
Specifically, search key is set in the terminal, when user needs to search for speech data, operation
This search key (such as touch or press) is to send search instruction, and speech data is scanned for by startup
Function.In the present embodiment, this search key can be entity home key or virtual home key.
When receiving after unit 802 receives the search instruction of user, user's sustained touch or press this search
Key, with input voice information, be may select and inputted by the mike of earphone or mobile terminal configuration.Example
As, this search key of user's Continued depression, and say " we go to climb the mountain " facing to mike, then receive
Unit 802 receives the voice messaging " we go to climb the mountain " of user's input.
Arranging pressure transducer in the terminal, described pressure transducer can be arranged under this search key
Face, pressure information during for receiving this search key of user operation.User is by pressing search key to search
Key range applies pressure, after pressure sensor senses to force value, is sent to this force value receive unit
802, receive unit 802 according to force value determine correspondence search for scope generally.
Wherein, scope of searching for generally described in refers to the word being spaced between word in the voice messaging that user inputs
Symbol number N.This number of characters N along with pressure sensor senses to the increase of force value and dynamically increase.?
In the present embodiment, this number of characters N refers to the number of characters between each word of this voice messaging.Such as, when
After user presses this search key, pressure sensor senses to force value is 2, then this voice messaging is each
Between word, the number of characters at interval is 2.In other embodiments, this number of characters N can also refer to certain two
Number of characters between adjacent word
Determine unit 804, be used for combining the voice messaging received and searching for scope generally determining search bar
Part.
Specifically, described voice messaging determines the keyword in described search condition, described in search for generally
Scope determines the number of characters being spaced between keyword character in described search condition.Such as, when receiving
Voice messaging be " we go to climb the mountain ", the scope of searching for generally is gap character number when being 2, determines
Unit 804 determines that search condition is " I * * * * goes * * to climb * * mountain * * ".
Further, described voice messaging and scope of searching for generally further define in described search condition crucial
The order of word.
In other embodiments, if user does not input the scope of searching for generally, it is determined that unit 804 exists
When determining search condition, only consider the keyword that described voice messaging provides, do not consider keyword character it
Between interval number of characters and the order of keyword.
Search unit 806, for the speech data to be matched according to the search condition search confirmed, finds
The speech data matched with search condition.
Specifically, match with search condition and refer to, speech data content exists identical with search condition
Keyword, and the number of characters that is not more than in search condition of number of characters at interval between adjacent keyword character
N.After search completes, display interface display Search Results, i.e. match with search condition described in display
Speech data.
Further, this system can also include:
Set up unit 800, for setting up the keyword database that speech data is corresponding.
Specifically, set up unit 800 to be changed by speech recognition technology by the speech data in mobile terminal
For Word message, unification is stored in keyword database, and by every Word message and corresponding voice
Data are associated.
Described search unit 806 is additionally operable to the speech data pair to be matched according to the search condition search confirmed
The keyword database answered, to find the speech data matched with search condition.
The speech data search system that the present embodiment proposes, the voice messaging inputted by user is searched with fuzzy
Rope scope determines search condition, thus searches for the speech data matched in the terminal.And pass through
Pre-build keyword database, in advance the speech data in mobile terminal is converted to Word message, keeps away
Exempt from again speech data to be matched to be changed when coupling, matching speed can be accelerated, rapidly for using
Family positions the speech data wanted to look up.
Embodiment six
Sixth embodiment of the invention proposes a kind of speech data search system.Real the 6th
Executing in example, described speech data search system is similar with the 5th embodiment, and difference is:
Described unit 800 of setting up can be also used for setting up the voice print database that speech data is corresponding.
Specifically, set up unit 800 and the speech data in mobile terminal is carried out vocal print feature extraction, raw
Voiceprint, unification is become to be stored in voice print database, and by every voiceprint and corresponding voice number
According to being associated.Described vocal print feature extraction includes utilizing Cepstrum Method to calculate pitch period parameter, then leads to
Cross Mel wave filter and voice signal power is converted into Mel cepstrum coefficient (MFCC), utilize feature extraction
Two kinds of parameter group are become a kind of vocal print parameter by algorithm, and the speaker for each speech data sets up a Gauss
Mixed model.
Described determine unit 804 to be additionally operable to this voice messaging to carry out vocal print feature extraction, to determine search
Condition.Specifically, described search condition is the vocal print feature of this voice messaging.
Described search unit 806 is additionally operable to the vocal print feature of this voice messaging and speech data to be matched
The corresponding voiceprint in voice print database mates, to find the voice matched with search condition
Data.Match with search condition and refer to, speech data association voiceprint in vocal print feature with should
The vocal print feature of voice messaging is identical.
The speech data search system that the present embodiment proposes, carries out sound by the voice messaging inputting user
Stricture of vagina feature extraction determines search condition, thus searches for the speech data matched in the terminal.And
And by pre-building voice print database, in advance the speech data in mobile terminal is carried out vocal print feature and carry
Take, it is to avoid when coupling, speech data to be matched is extracted again, matching speed can be accelerated, be rapidly
User positions the speech data wanted to look up.
Embodiment seven
Seventh embodiment of the invention proposes a kind of speech data search system.Real the 7th
Executing in example, described speech data search system is similar with sixth embodiment, and difference is:
Described unit 800 of setting up is additionally operable to set up the search pattern of speech data search.
Specifically, described search pattern includes but not limited to: keyword search pattern, vocal print search pattern
And double conditional search pattern.The voice according to only user input of search under described keyword search pattern
Voice content in information, unrelated with vocal print feature.Under described vocal print search pattern, the foundation of search is only
Vocal print feature in the voice messaging of user's input, unrelated with voice content.Described pair of conditional search pattern
The foundation of lower search is for meeting the requirement of vocal print feature and voice content simultaneously.
Described reception unit 802 is additionally operable to receive the search pattern that user selects, the most described reception unit
802, determine that unit 804 and search unit 806 perform to search for behaviour accordingly according to the search pattern that user selects
Make.
The speech data search system that the present embodiment proposes, it is possible to use family selects to close according to the needs of oneself
Suitable search pattern, accurately searches the speech data wanted to look up under different search conditions, strengthens
Consumer's Experience.
Should be appreciated that in other embodiments, said method and system can be applied not only to described movement
In terminal, it is also possible to be applied to the numeral fixed terminal such as TV, desk computer.
It should be noted that in this article, term " include ", " comprising " or its any other variant
Be intended to comprising of nonexcludability so that include the process of a series of key element, method, article or
Person's device not only includes those key elements, but also includes other key elements being not expressly set out, or also
Including the key element intrinsic for this process, method, article or device.In the feelings not having more restriction
Under condition, statement " including ... " key element limited, it is not excluded that including the mistake of this key element
Journey, method, article or device there is also 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 is it can be understood that arrive above-mentioned
Embodiment method can add the mode of required general hardware platform by software and realize, naturally it is also possible to logical
Cross hardware, but a lot of in the case of the former is more preferably embodiment.Based on such understanding, the present invention's
The part that prior art is contributed by technical scheme the most in other words can be with the form body of software product
Revealing to come, this computer software product is stored in a storage medium (such as ROM/RAM, magnetic disc, light
Dish) in, including some instructions with so that a station terminal equipment (can be mobile phone, computer, service
Device, air-conditioner, or the network equipment etc.) perform the method described in each embodiment of the present invention.
These are only the preferred embodiments of the present invention, not thereby limit the scope of the claims of the present invention, every
Utilize equivalent structure or equivalence flow process conversion that description of the invention and accompanying drawing content made, or directly or
Connect and be used in other relevant technical fields, be the most in like manner included in the scope of patent protection of the present invention.
Claims (10)
1. a speech data searching method, it is characterised in that the method comprising the steps of:
Receive user and by search instruction, the voice messaging of operation search key input and search for scope generally；
In conjunction with the voice messaging received with search for scope generally and determine search condition, described voice messaging is true
Determined the keyword in described search condition, described in search for generally scope determine in described search condition close
The number of characters at interval between key word character；
According to the search condition search speech data confirmed, find the voice number matched with search condition
According to.
Speech data searching method the most according to claim 1, it is characterised in that described fuzzy
The force value that hunting zone presses described search key by pressure sensor senses user obtains.
Speech data searching method the most according to claim 1, it is characterised in that the method exists
Before the step of the search instruction that the described user of reception is inputted by operation search key, further comprise the steps of:
Speech data is converted to Word message by speech recognition technology, is stored in keyword database
In.
Speech data searching method the most according to claim 3, it is characterised in that the method is also
Including step:
Speech data is carried out vocal print feature extraction, generates voiceprint, be stored in voice print database；
The voice messaging received is carried out vocal print feature extraction, to determine that search condition is described voice letter
The vocal print feature of breath；
By the voiceprint in voice print database corresponding with speech data for the vocal print feature of described voice messaging
Mate, to find the speech data matched with search condition.
Speech data searching method the most according to claim 4, it is characterised in that described vocal print
Feature extraction includes utilizing Cepstrum Method to calculate pitch period parameter, then by Mel wave filter by voice
Signal power is converted into Mel cepstrum coefficient, utilizes feature extraction algorithm that two kinds of parameter group become a kind of sound
Stricture of vagina parameter, sets up a gauss hybrid models for speaker.
Speech data searching method the most according to claim 4, it is characterised in that the method exists
Before the step of the search instruction that the described user of reception is inputted by operation search key, further comprise the steps of:
Setting up the search pattern of speech data search, described search pattern includes keyword search pattern, sound
Stricture of vagina search pattern and double conditional search pattern；
Receiving the search pattern that user selects, the search pattern selected according to user performs to search for behaviour accordingly
Make.
7. a speech data search system, it is characterised in that this system includes:
Receive unit, for receive user by operation search key input search instruction, voice messaging and
Search for scope generally；
Determine unit, be used for combining the voice messaging received and searching for scope generally determining search condition,
Described voice messaging determines the keyword in described search condition, described in search for scope generally and determine institute
State the number of characters being spaced between keyword character in search condition；
Search unit, for according to the search condition search speech data confirmed, finding and search condition phase
The speech data of coupling.
Speech data the most according to claim 7 search system, it is characterised in that this system is also
Including:
Set up unit, for speech data is converted to Word message by speech recognition technology, be stored in
In keyword database.
Speech data the most according to claim 8 search system, it is characterised in that:
Described unit of setting up is additionally operable to carry out speech data vocal print feature extraction, generates voiceprint, deposits
Storage is in voice print database；
Described determine unit to be additionally operable to the voice messaging received to carry out vocal print feature extraction, search to determine
Rope condition is the vocal print feature of described voice messaging；
Described search unit is additionally operable to vocal print corresponding with speech data for the vocal print feature of described voice messaging
Voiceprint in data base mates, to find the speech data matched with search condition.
Speech data the most according to claim 9 search system, it is characterised in that:
Described unit of setting up is additionally operable to set up the search pattern of speech data search, and described search pattern includes
Keyword search pattern, vocal print search pattern and double conditional search pattern；
Described reception unit is additionally operable to receive the search pattern that user selects.
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