KR101798968B1 - Mobiel Terminal And Mehtod For Controlling The Same - Google Patents

Abstract

A control method for a mobile terminal and a mobile terminal is disclosed. The mobile terminal according to an exemplary embodiment recognizes a voice signal generated according to a call connection and provides a corresponding keyword after termination of a call (or in response to a user request during a call) and provides an application related to the call content Accordingly, the present invention provides a control method of a mobile terminal and a mobile terminal that provides a user interface that allows a user to more quickly and accurately access a call content and can remotely associate the call content.

Description

Technical Field [0001] The present invention relates to a control method for a mobile terminal and a mobile terminal,

The present invention relates to a mobile terminal and a control method of the mobile terminal.

BACKGROUND ART [0002] In a variety of mobile terminal fields including mobile terminals in recent years, a great variety of functions can be provided to a user thanks to the breakthrough of software and hardware.

Accordingly, there is a growing need for the development and dissemination of various user interfaces that allow a user to easily and efficiently control mobile terminals providing various complex functions.

The present invention provides a mobile terminal and a control method for the mobile terminal that provide a user interface that enables a user to easily and efficiently control the mobile terminal.

It is another object of the present invention to provide a mobile terminal and a control method for the mobile terminal which can more easily associate the memory contents with each other by efficiently supporting the information related to the call content.

More particularly, the present invention relates to a mobile terminal and a control method of the mobile terminal, which provide a user interface that enables automatic access to desired information among conversation contents by automatically recognizing call contents and providing applications related to the recognized call contents .

The technical objects to be achieved by the present invention are not limited to the technical problems mentioned above. In addition, other technical objects to be achieved by the present invention will become apparent to those skilled in the art from the following description.

A mobile terminal according to one aspect of the present invention includes: a touch screen; And a voice signal to be transmitted and received according to connection of a call, and displays the recognized keyword on the touch screen. When receiving a touch operation to select any one of at least one keyword displayed on the touch screen, And a control unit for executing an application corresponding to the selected keyword.

According to another aspect of the present invention, there is provided a method of controlling a mobile terminal, the method comprising: extracting at least one keyword from a voice signal transmitted / received according to a call connection; Displaying the extracted keyword on a touch screen; And executing an application corresponding to the selected keyword when receiving a touch operation for selecting any one of at least one keyword displayed on the touch screen.

According to the control method of the mobile terminal and the mobile terminal according to the present invention, the following effects can be obtained.

According to the present invention, it is possible to provide a user with a user interface that enables easy and efficient control of the mobile terminal.

Further, according to the present invention, it is possible to provide a user interface that allows automatic access to desired information among conversation contents by automatically recognizing the contents of a call and providing an application related to the recognized call contents.

1 is a system configuration diagram for controlling a mobile terminal according to an embodiment of the present invention.
2 is a block diagram of a mobile terminal according to an embodiment of the present invention.
3A is a perspective view of an example of a mobile terminal according to the present invention.
3B is a rear perspective view of the mobile terminal shown in FIG. 3A.
4 is a functional block diagram of a mobile terminal for explaining the operation of a mobile terminal for voice recognition and keyword extraction in connection with a call in more detail.
5 is a flowchart of a method of controlling a mobile terminal according to an embodiment of the present invention.
FIGS. 6 to 11 are views for explaining an example in which the mobile terminal displays the voice recognition result of the call content on the touch screen according to the embodiment of the present invention.
12 is a flowchart of a method of controlling a mobile terminal according to an embodiment of the present invention.
13 to 16 are diagrams for explaining an example of executing an application related to an extracted keyword according to an embodiment of the present invention.

The foregoing objects, features and advantages of the present invention will become more apparent from the following detailed description taken in conjunction with the accompanying drawings. DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Reference will now be made in detail to the preferred embodiments of the present invention, examples of which are illustrated in the accompanying drawings. Like reference numerals designate like elements throughout the specification. In the following description, well-known functions or constructions are not described in detail since they would obscure the invention in unnecessary detail.

Hereinafter, a mobile terminal 100 according to the present invention will be described in detail with reference to the drawings. The suffix "module" and " part "for the components used in the following description are given or mixed in consideration of ease of specification, and do not have their own meaning or role.

The mobile terminal 100 described in this specification includes a mobile phone, a smart phone, a laptop computer, a digital broadcasting terminal, a PDA (Personal Digital Assistants), a PMP (Portable Multimedia Player), a navigation device, Internet Device) may be included.

1 is a diagram schematically showing a system configuration for controlling a mobile terminal according to an embodiment of the present invention.

Referring to FIG. 1, a system for controlling a mobile terminal includes a mobile terminal 100, a mobile terminal 100, a mobile terminal 100, And a configuration of the mobile communication system 200 supporting the call connection between the other mobile terminals 101. [

A system for controlling a mobile terminal according to an embodiment of the present invention having such a configuration is characterized in that a mobile terminal 100 or another mobile terminal 101 selects an index corresponding to a telephone number or a telephone number of the counterpart terminal, The mobile terminal 100 can support the formation of a communication channel for a call connection between the mobile terminal 100 and another mobile terminal 100 based on the mobile communication system 200. [

The mobile terminal 100 and other mobile terminals 101 can transmit and receive voice based on the communication channel. In this process, the mobile terminal 100 and the other mobile terminal 101 extract speech data by performing speech recognition on the voice transmitted and received according to whether the keyword extraction function is set or not, The keyword can be provided to the user during or after the call connection. Also, at least one application associated with a keyword provided to the user in accordance with a predetermined user operation or event may be provided, and the application may be executed. Hereinafter, the configuration of the mobile terminal 100 and other mobile terminals 101 will be described in detail with reference to FIG.

2 is a block diagram of a mobile terminal 100 according to an embodiment of the present invention.

The mobile terminal 100 includes a wireless communication unit 110, an audio / video input unit 120, a user input unit 130, a sensing unit 140, an output unit 150, a memory unit 160, A controller 170, a controller 180, a power supply 190, and the like. The components shown in FIG. 2 are not essential, so that the mobile terminal 100 having more or fewer components may be implemented.

Hereinafter, the components will be described in order.

The wireless communication unit 110 may include one or more modules for enabling wireless communication between the mobile terminal 100 and the wireless communication system or between the mobile terminal 100 and the network in which the mobile terminal 100 is located. For example, the wireless communication unit 110 may include a broadcast receiving module 111, a mobile communication module 112, a wireless Internet module 113, a short range communication module 114, and a location information module 115 .

The broadcast receiving module 111 receives broadcast signals and / or broadcast-related information from an external broadcast management server through a broadcast channel.

The broadcast channel may include a satellite channel and a terrestrial channel. The broadcast management server may refer to a server for generating and transmitting broadcast signals and / or broadcast related information, or a server for receiving broadcast signals and / or broadcast related information generated by the broadcast management server and transmitting the generated broadcast signals and / or broadcast related information. The broadcast signal may include a TV broadcast signal, a radio broadcast signal, a data broadcast signal, and a broadcast signal in which a data broadcast signal is combined with a TV broadcast signal or a radio broadcast signal.

The broadcast-related information may refer to a broadcast channel, a broadcast program, or information related to a broadcast service provider. The broadcast-related information may also be provided through a mobile communication network. In this case, it may be received by the mobile communication module 112.

The broadcast-related information may exist in various forms. For example, an EPG (Electronic Program Guide) of DMB (Digital Multimedia Broadcasting) or an ESG (Electronic Service Guide) of Digital Video Broadcast-Handheld (DVB-H).

The broadcast receiving module 111 receives broadcasting signals using various broadcasting systems. In particular, the broadcasting receiving module 111 may be a Digital Multimedia Broadcasting-Terrestrial (DMB-T), a Digital Multimedia Broadcasting-Satellite (DMB-S) Only Digital Broadcast-Handheld (DVB-H), Integrated Services Digital Broadcast-Terrestrial (ISDB-T), and the like. Of course, the broadcast receiving module 111 may be adapted to other broadcasting systems that provide broadcast signals as well as the digital broadcasting system described above.

The broadcast signal and / or broadcast related information received through the broadcast receiving module 111 may be stored in the memory unit 160.

The mobile communication module 112 transmits and receives radio signals to at least one of a base station, an external terminal, and a server on a mobile communication network. The wireless signal may include various types of data depending on a voice call signal, a video call signal or a text / multimedia message transmission / reception.

The wireless Internet module 113 refers to a module for wireless Internet access, and the wireless Internet module 113 can be embedded in the mobile terminal 100 or externally. WLAN (Wi-Fi), Wibro (Wireless broadband), Wimax (World Interoperability for Microwave Access), HSDPA (High Speed Downlink Packet Access) and the like can be used as wireless Internet technologies.

The short-range communication module 114 refers to a module for short-range communication. Bluetooth, radio frequency identification (RFID), infrared data association (IrDA), ultra wideband (UWB), ZigBee, and the like can be used as the short distance communication technology.

The location information module 115 is a module for confirming or obtaining the location of the mobile terminal 100. The location information module 115 may obtain location information using a global navigation satellite system (GNSS). Here, the Global Positioning System (GNSS) is a term used to describe the radionavigation satellite systems in which certain types of radionavigation receivers orbiting the Earth are transmitting reference signals that can determine their position near the surface or ground surface . The Global Positioning System (GNSS) includes Global Positioning System (GPS) in the United States, Galileo in Europe, GLONASS (Global Orbiting Navigational Satelite System) in Russia, COMPASS in China and Japan QZSS (Quasi-Zenith Satellite System), which is operated by the Ministry of Land, Infrastructure and Transport.

As a representative example of the GNSS, the location information module 115 may be a Global Position System (GPS) module. The GPS module calculates information on a distance (distance) from three or more satellites to a point (object), information on a time when the distance information is measured, and then applies a trigonometric method to the calculated distance information, Dimensional position information according to latitude, longitude, and altitude with respect to a point (object) in the three-dimensional space. Further, a method of calculating position and time information using three satellites and correcting the error of the calculated position and time information using another satellite is also used. The GPS module continuously calculates the current position in real time, and calculates velocity information using the current position.

Referring to FIG. 2, an A / V (Audio / Video) input unit 120 is for inputting an audio signal or a video signal, and may include a camera 121 and a microphone 122. The camera 121 processes image frames such as still images or moving images obtained by the image sensor in the video communication mode or the photographing mode. The processed image frame can be displayed on the display unit 151. [

The image frame processed by the camera 121 may be stored in the memory unit 160 or may be transmitted to the outside through the wireless communication unit 110. [ The camera 121 may be equipped with two or more cameras according to the configuration of the terminal.

The microphone 122 receives an external sound signal through a microphone in a communication mode, a recording mode, a voice recognition mode, or the like, and processes it as electrical voice data. The processed voice data can be converted into a form that can be transmitted to the mobile communication base station through the mobile communication module 112 when the voice data is in the call mode, and output. Various noise reduction algorithms may be implemented in the microphone 122 to remove noise generated in receiving an external sound signal.

The user input unit 130 generates input data for a user to control the operation of the terminal. The user input unit 130 may include a key pad dome switch, a touch pad (static / static), a jog wheel, a jog switch, and the like.

The sensing unit 140 may sense the position of the mobile terminal 100 such as the open / close state of the mobile terminal 100, the position of the mobile terminal 100, the presence of the user, the orientation of the mobile terminal 100, And generates a sensing signal for controlling the operation of the mobile terminal 100. For example, when the mobile terminal 100 is in the form of a slide phone, it is possible to sense whether the slide phone is opened or closed. In addition, it may be responsible for a sensing function related to whether the power supply unit 190 is powered on, whether the interface unit 170 is connected to an external device, and the like. Meanwhile, the sensing unit 140 may include a proximity sensor 141.

The output unit 150 may include a display unit 151, an audio output module 152, an alarm unit 153, and a haptic module 154, for example, for generating output related to visual, auditory, have.

The display unit 151 displays and outputs information processed by the mobile terminal 100. For example, when the mobile terminal 100 is in the call mode, a UI (User Interface) or a GUI (Graphic User Interface) associated with a call is displayed. When the mobile terminal 100 is in the video communication mode or the photographing mode, the photographed and / or received video or UI and GUI are displayed.

The display unit 151 may be a liquid crystal display, a thin film transistor-liquid crystal display, an organic light-emitting diode, a flexible display, a three-dimensional display 3D display).

Some of these displays may be transparent or light transmissive so that they can be seen through. This may be referred to as a transparent display. A typical example of the transparent display is a transparent LCD or the like. The rear structure of the display unit 151 may also be of a light transmission type. With this structure, the user can see an object located behind the terminal body through the area occupied by the display unit 151 of the terminal body.

There may be two or more display units 151 according to the embodiment of the mobile terminal 100. [ For example, in the mobile terminal 100, a plurality of display portions may be spaced apart from one another or may be disposed integrally with each other, or may be disposed on different surfaces.

The display unit 151 is connected to a display unit 151 and a sensor for sensing a touch operation (hereinafter, referred to as 'touch sensor') having a mutual layer structure It can also be used as an input device. The touch sensor may have the form of, for example, a touch film, a touch sheet, a touch pad, or the like.

The touch sensor may be configured to convert a change in a pressure applied to a specific portion of the display unit 151 or a capacitance generated in a specific portion of the display unit 151 into an electrical input signal. The touch sensor can be configured to detect not only the position and area to be touched but also the pressure at the time of touch.

If there is a touch input to the touch sensor, the corresponding signal (s) is sent to the touch controller. The touch controller processes the signal (s) and transmits the corresponding data to the controller 180. Thus, the control unit 180 can know which area of the display unit 151 is touched or the like.

Referring to FIG. 2, proximity sensors 141 may be disposed in an inner region of the mobile terminal 100 or in the vicinity of the touch screen, which is surrounded by the touch screen. The proximity sensor 141 refers to a sensor that detects the presence of an object approaching a predetermined detection surface or an object existing in the vicinity of the detection surface without mechanical contact using an electromagnetic force or an infrared ray. The proximity sensor has a longer life span than the contact sensor and its utilization is also high.

Examples of the proximity sensor include a transmission type photoelectric sensor, a direct reflection type photoelectric sensor, a mirror reflection type photoelectric sensor, a high frequency oscillation type proximity sensor, a capacitive proximity sensor, a magnetic proximity sensor, and an infrared proximity sensor.

And to detect the proximity of the pointer by the change of the electric field along the proximity of the pointer when the touch screen is electrostatic. In this case, the touch screen (touch sensor) may be classified as a proximity sensor.

Hereinafter, for convenience of explanation, the act of recognizing that the pointer is positioned on the touch screen while the pointer is not in contact with the touch screen is referred to as "proximity touch & The act of actually touching the pointer on the screen is called "contact touch. &Quot; The position where the pointer is proximately touched on the touch screen means a position where the pointer is vertically corresponding to the touch screen when the pointer is touched.

The proximity sensor detects a proximity touch and a proximity touch pattern (e.g., a proximity touch distance, a proximity touch direction, a proximity touch speed, a proximity touch time, a proximity touch position, a proximity touch movement state, and the like). Information corresponding to the detected proximity touch operation and the proximity touch pattern may be output on the touch screen.

The audio output module 152 may output audio data received from the wireless communication unit 110 or stored in the memory unit 160 in a call signal reception mode, a call mode or a recording mode, a voice recognition mode, a broadcast reception mode, The sound output module 152 outputs an acoustic signal related to a function (e.g., a call signal reception sound, a message reception sound, etc.) performed in the mobile terminal 100. The audio output module 152 may include a receiver, a speaker, a buzzer, and the like. Also, the sound output module 152 may output sound through the earphone jack 116. The user can connect the earphone to the earphone jack 116 to hear the sound output.

The alarm unit 153 outputs a signal for notifying the occurrence of an event of the mobile terminal 100. Examples of events generated in the mobile terminal 100 include call signal reception, message reception, key signal input, touch input, and the like. The alarm unit 153 may output a signal for notifying the occurrence of an event in a form other than the video signal or the audio signal, for example, vibration. The video signal or the audio signal may also be output through the display unit 151 or the audio output module 152.

The haptic module 154 generates various tactile effects that the user can feel. A typical example of the haptic effect generated by the haptic module 154 is vibration. The intensity and pattern of the vibration generated by the hit module 154 can be controlled. For example, different vibrations may be synthesized and output or sequentially output.

In addition to the vibration, the haptic module 154 may be configured to perform various functions such as an effect of stimulation by a pin arrangement vertically moving with respect to a contact skin surface, an effect of stimulation by air spraying force or suction force through a jet opening or a suction opening, A variety of tactile effects such as an effect of stimulation through contact of an electrode, an effect of stimulation by an electrostatic force, and an effect of reproducing a cold sensation using a heat absorbing or exothermic element can be generated.

The haptic module 154 can be implemented not only to transmit the tactile effect through the direct contact but also to feel the tactile effect through the muscles of the user's finger or arm. The haptic module 154 may include two or more haptic modules 154 according to the configuration of the portable terminal 100.

The memory unit 160 may store a program for the operation of the controller 180 and temporarily store input / output data (e.g., a phone book, a message, a still image, a moving picture, etc.). The memory unit 160 may store data related to vibration and sound of various patterns outputted when a touch is input on the touch screen.

The memory unit 160 may be a flash memory type, a hard disk type, a multimedia card micro type, a card type memory (for example, SD or XD memory) (Random Access Memory), SRAM (Static Random Access Memory), ROM (Read Only Memory), EEPROM (Electrically Erasable Programmable Read-Only Memory), PROM A disk, and / or an optical disk. The mobile terminal 100 may operate in association with a web storage that performs a storage function of the memory unit 160 on the Internet.

The interface unit 170 serves as a path for communication with all external devices connected to the mobile terminal 100. The interface unit 170 receives data from an external device or receives power from the external device to transfer the data to each component in the mobile terminal 100 or to transmit data in the mobile terminal 100 to an external device. For example, a wired / wireless headset port, an external charger port, a wired / wireless data port, a memory card port, a port for connecting a device having an identification module, an audio I / O port, A video input / output (I / O) port, an earphone port, and the like may be included in the interface unit 170.

The identification module is a chip for storing various information for authenticating the use right of the mobile terminal 100 and includes a user identification module (UIM), a subscriber identity module (SIM), a general user authentication module A Universal Subscriber Identity Module (USIM), and the like. Devices with identification modules (hereinafter referred to as "identification devices") can be manufactured in a smart card format. Accordingly, the identification device can be connected to the terminal 100 through the port.

When the mobile terminal 100 is connected to an external cradle, the interface unit may be a path through which power from the cradle is supplied to the mobile terminal 100, or various command signals input by the user from the cradle may be transmitted to the mobile terminal 100. [ (Not shown). The various command signals or the power source inputted from the cradle may be operated as a signal for recognizing that the mobile terminal 100 is correctly mounted on the cradle.

The control unit 180 typically controls the overall operation of the mobile terminal 100. For example, voice communication, data communication, video communication, and the like. The control unit 180 may include a multimedia module 181 for multimedia playback. The multimedia module 181 may be implemented in the control unit 180 or may be implemented separately from the control unit 180. [

The controller 180 may perform a pattern recognition process for recognizing handwriting input or drawing input performed on the touch screen as characters and images, respectively.

The power supply unit 190 receives external power and internal power under the control of the controller 180 and supplies power necessary for operation of the respective components.

The various embodiments described herein may be embodied in a recording medium readable by a computer or similar device using, for example, software, hardware, or a combination thereof.

According to a hardware implementation, the embodiments described herein may be implemented as application specific integrated circuits (ASICs), digital signal processors (DSPs), digital signal processing devices (DSPDs), programmable logic devices (PLDs), field programmable gate arrays May be implemented using at least one of processors, controllers, micro-controllers, microprocessors, and electrical units for performing functions. In some cases, And may be implemented by the control unit 180.

According to a software implementation, embodiments such as procedures or functions may be implemented with separate software modules that perform at least one function or operation. The software code may be implemented by a software application written in a suitable programming language. Also, the software codes may be stored in the memory unit 160 and executed by the control unit 180. [

3A is a perspective view of an example of a mobile terminal or a mobile terminal according to the present invention.

The disclosed mobile terminal 100 has a bar-shaped terminal body. However, the present invention is not limited thereto, and can be applied to various structures such as a slide type, a folder type, a swing type, and a swivel type in which two or more bodies are relatively movably coupled.

The body includes a case (a casing, a housing, a cover, and the like) which forms an appearance. In this embodiment, the case may be divided into a front case 101 and a rear case 102. [ A variety of electronic components are embedded in the space formed between the front case 101 and the rear case 102. At least one intermediate case may be additionally disposed between the front case 101 and the rear case 102. [

The cases may be formed by injection molding a synthetic resin, or may be formed to have a metal material such as stainless steel (STS) or titanium (Ti) or the like.

The display unit 151, the sound output unit 152, the camera 121, the user input units 130/131 and 132, the microphone 122, the interface 170, and the like may be disposed in the front body 101 have.

The display unit 151 occupies most of the main surface of the front case 101. A sound output unit 152 and a camera 121 are disposed in an area adjacent to one end of both ends of the display unit 151 and a user input unit 131 and a microphone 122 are disposed in an area adjacent to the other end. The user input unit 132, the interface 170, and the like are disposed on the side surfaces of the front case 101 and the rear case 102.

The user input unit 130 is operated to receive a command for controlling the operation of the portable terminal 100 and may include a plurality of operation units 131 and 132.

The operation units 131 and 132 may be collectively referred to as a manipulating portion and may be employed in any manner as long as the user operates in a tactile manner.

The contents input by the operation units 131 and 132 can be variously set. For example, the first operation unit 131 receives commands such as start, end, scroll, and the like, and the second operation unit 132 controls the size of the sound output from the sound output unit 152 or the size of the sound output from the display unit 151 To the touch recognition mode of the touch screen.

FIG. 3B is a rear perspective view of the portable terminal shown in FIG. 3A.

Referring to FIG. 3B, a camera 121 'may be further mounted on the rear surface of the terminal body, that is, the rear case 102. The camera 121 'may have a photographing direction substantially opposite to the camera 121 (see FIG. 3A), and may be a camera having different pixels from the camera 121.

For example, the camera 121 may have a low pixel so that the face of the user can be photographed and transmitted to the other party in case of a video call or the like, and the camera 121 ' It is preferable to have a large number of pixels. The cameras 121 and 121 'may be installed in the terminal body such that they can be rotated or popped up.

A flash 123 and a mirror 124 are additionally disposed adjacent to the camera 121 '. The flash 123 illuminates the subject when the subject is photographed by the camera 121 '. The mirror 124 allows the user to illuminate the user's own face or the like when the user intends to shoot himself / herself (self-photographing) using the camera 121 '.

An acoustic output 152 'may be additionally disposed on the rear surface of the terminal body. The sound output unit 152 'may implement the stereo function together with the sound output unit 152 (see FIG. 3A), and may be used for the implementation of the speakerphone mode during a call.

In addition to the antenna for a call or the like, a broadcast signal reception antenna 124 may be additionally disposed on the side of the terminal body. The antenna 124 constituting a part of the broadcast receiving module 111 (see FIG. 1) may be installed to be able to be drawn out from the terminal body.

A power supply unit 190 for supplying power to the portable terminal 100 is mounted on the terminal body. The power supply unit 190 may be built in the terminal body or may be detachable from the outside of the terminal body.

The rear case 102 may further include a touch pad 135 for sensing a touch. The touch pad 135 may also be of a light transmission type like the display unit 151. [ In this case, if the display unit 151 is configured to output time information on both sides, the time information can be recognized through the touch pad 135 as well. The information output on both sides may be all controlled by the touch pad 135. [ Alternatively, a display may be additionally mounted on the touch pad 135, and a touch screen may be disposed on the rear case 102.

The touch pad 135 operates in correlation with the display portion 151 of the front case 101. The touch pad 135 may be disposed parallel to the rear of the display unit 151. The touch pad 135 may have a size equal to or smaller than that of the display unit 151.

4 is a functional block diagram of a mobile terminal for explaining the operation of a mobile terminal for voice recognition and keyword extraction in connection with a call in more detail.

4, the wireless communication unit 110 may form a communication channel for voice communication and a communication channel for data transmission such as an image under the control of the controller 180. [ That is, the wireless communication unit 110 can form a voice communication channel, a data communication channel, and a video communication channel between mobile communication systems. For this, the wireless communication unit 110 may include a radio frequency transmitter for up-converting and amplifying the frequency of the transmitted signal, a radio frequency receiver for low-noise amplifying the received signal and down-converting the frequency. The wireless communication unit 110 may be activated under the control of the controller 180 according to a touch event sensed by the touch screen 151. [ The voice signal transmitted and received by the wireless communication unit 110 is voice recognized by the control unit 180 according to whether the keyword extracting function is set or not and the voice recognized information is temporarily stored in the memory provided in the memory 160 or the control unit 180 .

The audio output module 152 of the output unit 150 shown in FIG. 2 and the microphone 122 may be configured as an audio processing unit. The speaker 152 may transmit / It is possible to reproduce the audio data. In addition, the microphone 122 may collect the user's voice or other audio signal according to the call connection.

The voice signal collected by the microphone 122 can be directly recognized by the control unit 180 according to the setting of the keyword extracting function and the voice signal outputted through the speaker 152 can be recognized by the control unit 180, And can be spoken at a certain time (180). Here, at least one of the audio signal collected by the microphone 122 and the audio signal output by the speaker 152 may be recognized by the control unit 180 for voice recognition according to the user's setting.

The memory unit 160 may be divided into a program area for storing a program for the operation of the mobile terminal 100 and a data area for storing various types of data to be input / output, as described with reference to FIG.

The program area may store an application program 165 for reproducing various files in the memory 160. For example, in the program area of the memory 160, an application program for supporting a call function, a web browser for connecting to an Internet server, an application program for playing a sound source, an image output application program for a picture or the like, And various application programs for implementing programs downloaded from other external servers can be stored.

In addition, the mobile terminal 100 according to an exemplary embodiment of the present invention may store a program 163 for supporting keyword extraction in the memory 160. The keyword extraction program 163 can recognize at least one of the speech signal collected by the microphone 122 and the speech signal received by the wireless communication unit 110 under the control of the control unit 180. [ The keyword extracting program 163 can extract keywords matching the predetermined condition among the data recognized as speech under the control of the control unit 180. [ The keyword extracting program 163 may generate a meaningful keyword combination by combining two or more of the plurality of extracted keywords under the control of the control unit 180. [ The keyword extracting program 163 can associate at least one keyword or a combination of two or more keywords with various application programs stored in the program area under the control of the control unit 180. [ The keyword extracting program 163 may be loaded into the control unit 180 according to the user's setting to perform the keyword extracting process.

The data area may include a keyword DB (161). The keyword DB 161 can be constituted by user input and is a set of reference words that can be extracted as keywords among speech recognized words. The keyword DB 161 may be automatically added according to the frequency of the words recognized as well as the user input. The keyword DB 161 can be accessed by the control unit 180 according to the keyword extraction function.

The control unit 180 can support a function of automatically recognizing voice signals transmitted and received and extracting keywords when a call is connected. 4, the control unit 180 may include a voice recognition module 181, a keyword extraction module 182, and a keyword association module 183 associated with the keyword extraction program 163.

The voice recognition module 181 can recognize at least one of the voice signal transmitted from the other mobile terminal 101 and the voice signal collected by the microphone 122 that the wireless communication unit 110 receives. Whether to recognize only one of the two audio signals or both of the two audio signals can be determined according to the setting of the user. The speech recognition module 180 may be implemented with various known speech recognition algorithms.

Meanwhile, the speech recognition result of the speech recognition module 181 may be a word of a certain type. The speech recognition module 180 recognizes phonemic data, constructs syllable-unit data from the phoneme-unit data, composes morpheme-unit data from the syllable-unit data, extracts a predetermined word Can form a form.

The keyword extraction module 182 can extract keywords from the words recognized through the voice recognition module 181 by referring to the keyword DB 161. [ The extracted keyword may include at least one keyword, and a plurality of keywords may be combined to form one meaningful keyword phrase.

The keyword association module 183 can associate an application program (application) 165 related to the extracted at least one keyword or keyword combination. For example, when the extracted keyword is "telephone number ", the keyword association module 183 can associate the keyword with" Phone book ". Or if the extracted keyword combination is a "telephone number" of "TOM ", it can directly provide the user with the telephone number page of the TOM stored in the " Phonebook"

In the foregoing, the configuration of the mobile terminal and the functions of the respective components have been described in order to automatically recognize the contents of a call during a call and provide a voice recognition result to a user in connection with a predetermined application according to an embodiment of the present invention.

Hereinafter, embodiments of the present invention will be described. In the present invention, the display unit 151 is assumed to be the touch screen 151 for convenience of explanation. As described above, the touch screen 151 can perform both the information display function and the information input function.

5 is a flowchart of a method of controlling a mobile terminal according to an embodiment of the present invention. FIGS. 6 to 11 are views for explaining an example in which the mobile terminal displays the voice recognition result of the call content on the touch screen according to the embodiment of the present invention.

The method of controlling a mobile terminal according to an embodiment of the present invention may be implemented in the mobile terminal 100 described with reference to FIGS. Hereinafter, the control method of the mobile terminal according to the embodiment of the present invention and the operation of the mobile terminal 100 for implementing the same will be described in detail with reference to the necessary drawings.

Referring to FIG. 5, first, when a call is connected and a call is received or originated (S110), the mobile terminal 100 automatically recognizes the content of the call and records at least one The keyword can be extracted (S120).

The control unit 180 recognizes a voice signal received through the wireless communication unit 110 and transmits a voice signal received through the microphone 122 when a call is received Respectively.

FIG. 6 shows an example of extracting a keyword by voice recognition of a call content according to a connection of a call.

Referring to FIG. 6, the control unit 180 determines whether the telephone number of the TOM (TOM) is "TOM (K1)" through the speech recognition module 181 and the keyword extraction module 182, And "telephone number (K2) ", respectively. Also, the control unit 180 extracts "TOM (K3)" and "3:00 pm (K4) today" from the keyword "Where was the place to meet TOM and 3:00 pm today?" can do. In addition, the control unit 180 determines whether or not the contents of the call (c) "TOM (K5)", "3 pm today (K6)" and "5th avenue restaurant" (K7) ", respectively.

The keyword extracted here may be extracted in consideration of the information stored in the keyword DB 161 or the user's mobile terminal use log information as described above. At this time, "TOM" may be stored in the keyword DB 161 in advance as user log records, "Today "," On the other hand, the keyword DB 161 may include words related to a specific place, such as "5th avenue" and "restaurant ".

On the other hand, when the extracted keyword can not be derived from the keyword DB 161, the control unit 180 determines whether the keyword to be extracted through the web search is related to a word included in the keyword DB 161 It is possible to determine whether or not to extract it as a keyword.

The extracted keyword or keyword combination may be temporarily stored in the buffer provided in the memory 160 or the control unit 180. [

When the call is terminated (S130: Yes), the control unit 180 can automatically display the extracted keyword on the touch screen 151 (S140).

If there is a user operation for analyzing the keyword, the control unit 180 may display the extracted keyword on the touch screen 151 (S140).

Referring to FIG. 7, when receiving an operation of touching an icon 31 for analyzing a call content through voice recognition during a call, it is possible to provide the content of a voice-recognized call to the touch screen 151 even during a call. Meanwhile, a real-time voice recognition result of the conversation contents can be provided through the touch screen 151 while listening to the conversation contents through the speaker 152 using the speaker phone function 32 (Fig. 7 (a)).

On the other hand, when the call is terminated and the operation of touching the end button 41 is received, the control unit 180 can automatically provide the voice recognition result of the call content to the touch screen 151 b)).

If the controller 180 receives the operation of touching at least one of the extracted keywords provided in the touch screen 151 in operation S150, the controller 180 may execute the application corresponding to the keyword in operation S160.

Hereinafter, the process of displaying the extracted keyword on the touch screen 151 will be described in more detail with reference to FIG. 8 through FIG.

8 is a flowchart of a control method of a mobile terminal for explaining a process of displaying an extracted keyword in more detail. In the present invention, the extracted keywords may be given priority, and at least one keyword may be placed on the touch screen 151 in consideration of the priority.

The control unit 180 sets at least one area corresponding to each of at least one keyword (S141), and displays the keywords in the set area.

The size of the area in which the keyword is displayed may be changed according to the importance of each extracted keyword. For this, the control unit 180 may assign a priority to at least one extracted keyword (S143).

When the extracted keyword is a combination of a plurality of keywords, it is preferable that the priority of the voice signal transmitted / received between the mobile terminal 100 and another mobile terminal 101 is high, Keyword, or the like.

For example, if the extracted keyword is a combination of words, the priority may be higher than the keyword of one word. In the call content (a) of FIG. 6, the "TOM telephone number" may have a higher priority than the case where the keyword is "TOM". When the keyword is "TOM ", the keyword association module 183 should associate with a predetermined application in consideration of various tastes related to" TOM ". For example, "Call log with TOM", "Conversation message with TOM", "E-mail exchanged with TOM", "Schedule with TOM", "SNS (Social Network Service) . However, if the keyword is "phone number of TOM ", keyword association module 183 may consider only" phone number page of TOM "

Therefore, the control unit 180 can set the priority to be higher when the extracted keyword belongs to a keyword combination, an exposure frequency, a keyword related to an application with a high frequency of use, and the like.

The control unit 180 may display the visual appearance of at least one of the keyword display area and the keyword in accordance with the priority order (S145). Then, the extracted keyword can be displayed in the keyword display area (S147).

For example, the control unit 180 may control the size of the keyword display area or the size of a keyword to be displayed in the keyword display area differently according to the priority. That is, the area of the area in which the keyword is displayed can be enlarged as the keyword having a higher priority is displayed. In addition, the text size of the keyword can also be enlarged and displayed.

In addition, the control unit 180 can control the visual appearance such as color, shape, and the like differently from the size according to the priority order.

9A to 9B are diagrams illustrating various arrangements of areas in which keywords are displayed.

Referring to FIG. 9A, the controller 180 calculates a plurality of areas 11, 12, 13, 14, 15, and 16 having different keywords on the touch screen 151 in consideration of the priority of the extracted keywords, , And display the corresponding keyword in each of the set areas (11, 12, 13, 14, 15, 16).

9B, the control unit 180 divides the touch screen 151 into the plurality of areas 21, 22, 23, 24, 25, 26 in consideration of the priority of the extracted keyword, Different keywords can be displayed in each of the regions 21, 22, 23, 24, 25,

On the other hand, in setting the keyword display area, the control unit 180 may set the method according to the above-described method 9a or 9b in combination.

10 is a diagram showing an example in which the keyword is displayed in the keyword display area set in consideration of the priority of the extracted keyword.

Meanwhile, the control unit 180 may provide at least one application corresponding to the at least one keyword to the keyword display area together with the at least one keyword.

Fig. 11 is an exemplary diagram for providing an extracted keyword together with an application corresponding thereto.

For example, referring to FIG. 11, a phone book application A1 that allows users to search for contacts of TOM in association with "TOM (K1)" recognized as a keyword in the call content (c) (K1) "in the keyword display area R1. Likewise, it is possible to display in the keyword display area R2 together with the calendar application A2 in which the schedule can be checked together with the keyword "3 pm today ", and in the case of" 5th Avenue " (A3) can be displayed together with the place keyword (K3).

Referring to FIG. 11, there may be a plurality of applications corresponding to the respective keywords K1, K2, and K3. However, the control unit 180 can display an application most relevant to each of the keywords K1, K2, and K3 as a result of voice analysis of the content of the call, by matching the keyword with the keyword. The degree of association may be determined by referring to the cumulative result of voice analysis of the call content. For example, an application that is most frequently used in connection with the keyword can be set as a highly relevant application.

Meanwhile, the keywords displayed on the touch screen 151 may be cumulatively displayed from the upper end of the touch screen 151 to the lower end in the order of extraction. Accordingly, the control unit 180 can control the keywords extracted from the previous call content to appear on the touch screen 151 through the scroll bar 52. [

In addition, the control unit 180 can control to delete a desired keyword by displaying a delete button 51 in a part of the keyword display area. As a result, a keyword located at the top of the deleted keyword is deleted Can be moved.

In the above, an example has been described in which the extracted keywords are displayed on the touch screen 151 by voice recognition of voice signals transmitted and received according to a call connection. An example of executing an application related to the keyword displayed on the touch screen 151 will be described below.

12 is a flowchart of a method of controlling a mobile terminal according to an embodiment of the present invention. 13 to 16 are diagrams for explaining an example of executing an application related to an extracted keyword according to an embodiment of the present invention.

The method of controlling a mobile terminal according to an embodiment of the present invention may be implemented in the mobile terminal 100 described with reference to FIGS. Hereinafter, the control method of the mobile terminal according to the embodiment of the present invention and the operation of the mobile terminal 100 for implementing the same will be described in detail with reference to the necessary drawings.

Referring again to FIG. 5, in step S150, a touch operation for selecting the keyword may be received while the extracted keyword is displayed on the touch screen 151 by voice recognition. The control unit 180 can execute the application corresponding to the selected keyword as the touch operation for selecting the keyword displayed on the touch screen 151 is received (S160).

The touch operation of selecting the keyword may include an operation of touching a part of the keyword display area or an operation of touching a keyword displayed in the keyword display area.

Referring to FIG. 12, when there is an application corresponding to the selected keyword (S210), the control unit 180 can execute the corresponding application.

Here, if there is one corresponding application (S220: NO), the control unit 180 can execute the application.

13, when the selected keyword is a keyword associated with a place, and the application corresponding to the place keyword is a calendar application, the control unit 180 executes the calendar application, A schedule related to the keyword can be provided on the screen.

On the other hand, if there are a plurality of corresponding applications (S220: YES), the control unit 180 may provide a popup window (70 of FIG. 14) in which any one of the plurality of applications can be selected (S230).

If the extracted keyword is a keyword composed of one word rather than a combination of words, the control unit 180 can provide a plurality of applications corresponding to the extracted keyword.

For example, referring to Fig. 14, when the extracted keyword is "TOM" (see the contents of the call shown in Fig. 6), a call related application A1 for checking the call record with the TOM, (A12), a calendar application (A13) for confirming the schedule with the TOP, a Mail application (A14) for checking the E-mail exchanged with the TOM, and SNS data created by the TOM It is possible to display and provide the SNS application A15 which can be confirmed on the pop-up window 70. [ Here, the control unit 180 can display the at least one application A11, A12, A13, A14, and A15 in the application sequence most recently used most frequently. In addition, the control unit 180 can basically provide a Web browser application regardless of the frequency of application use.

When receiving a touch operation for selecting one of the applications in the pop-up window 70 (S240), the controller 180 may provide a screen for executing the selected application to the touch screen 151 S160).

Referring to FIG. 15, when the extracted keyword is a place (area name) other than a person name, and a plurality of applications related to the place keyword are included, a plurality of applications selectable through the pop-up window 70 .

If there is no application corresponding to the selected keyword (S210: NO), the control unit 180 can provide the Internet search result through the web browser (S215).

Referring to FIG. 16, when there is no application corresponding to the place-related keyword, the control unit 180 can access the web browser and provide the place-related keyword search result.

As described above, according to the control method of the mobile terminal and the mobile terminal according to the embodiment of the present invention, it is possible to recognize a voice signal generated according to a call connection, The user can access the contents of the call more quickly and accurately by providing the corresponding keyword after the call is terminated (or in response to a user request during the call).

In addition, by providing an application related to the call content, it is possible to associate the call content more efficiently and clearly.

The above-described method of controlling a mobile terminal according to the present invention can be provided by being recorded in a computer-readable recording medium as a program for execution in a computer.

The control method of the mobile terminal according to the present invention can be executed through software. When executed in software, the constituent means of the present invention are code segments that perform the necessary tasks. The program or code segments may be stored in a processor readable medium or transmitted by a computer data signal coupled with a carrier wave in a transmission medium or a communication network.

A computer-readable recording medium includes all kinds of recording apparatuses in which data that can be read by a computer system is stored. Examples of the computer-readable recording device include a ROM, a RAM, a CD-ROM, a DVD 占 ROM, a DVD-RAM, a magnetic tape, a floppy disk, a hard disk, The computer-readable recording medium may also be distributed to networked computer devices so that computer readable code can be stored and executed in a distributed manner.

It will be apparent to those skilled in the art that various modifications and variations can be made in the present invention without departing from the spirit or scope of the invention. The present invention is not limited to the drawings. In addition, the embodiments described in this document can be applied to not only the present invention, but also all or some of the embodiments may be selectively combined so that various modifications can be made.

100: mobile terminal 151: display unit (touch screen)

Claims (11)

touch screen; And
At least one keyword display area for displaying the at least one keyword by extracting at least one keyword among voice signals transmitted and received according to a connection of a call and providing the at least one keyword display area And a controller for displaying the at least one keyword on the touch screen and executing an application corresponding to the selected keyword when receiving a touch operation for selecting any one of at least one keyword displayed on the touch screen,
Wherein,
Providing at least one application associated with the keyword to the touch screen when receiving a touch operation to select the keyword,
Wherein at least one application associated with the keyword is an application corresponding to a plurality of keyword combinations. delete The method according to claim 1,
Wherein,
And displays the extracted at least one keyword on the touch screen when the connection of the call is terminated or when a predetermined event occurs during connection of the call. The method according to claim 1,
Wherein,
Assigns a priority to the extracted at least one keyword, and changes the visual appearance of the keyword displayed in the at least one keyword display area and the keyword display area. 5. The method of claim 4,
The priority order may be such that when the extracted keyword is a combination of a plurality of keywords, when the frequency of the audio signals to be transmitted and received is high and the keyword is related to the application having the highest frequency of use, The size of the area and the size of the keyword. The method according to claim 1,
Wherein the control unit displays the keyword and the application corresponding to the keyword together in the keyword display area. delete delete The method according to claim 1,
Wherein the at least one application associated with the keyword comprises at least one of an application preset by the user, an application most recently executed, an application most frequently used, and a web browser. The method according to claim 1,
Wherein,
Wherein the mobile terminal receives the touch operation for the keyword display area and searches for at least one application related to the keyword through a web browser when the application related to the keyword does not exist. delete

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