Abstract: A display device includes a timing controller configured to receive an image data signal and a plurality of clock signals and to generate a scan clock signal and a plurality of data clock signals, a scan driver configured to receive the scan clock signal, and a data driver configured to receive the data clock signals. The clock signals include first to nth clock signals, and the data clock signals include first to nth data clock signals generated from the first to nth clock signals (n?2), the first to nth clock signals having differing frequencies and the first to nth data clock signals having differing frequencies. Whenever a predetermined number of frame periods has elapsed, the timing controller halts transmission of one of the first to nth data clock signals to the data driver, and begins transmission of another one of the first to nth data clock signals thereto.

Abstract: A liquid crystal display device includes a gate driving unit connected to an ith gate line and a first compensation line, a data driving unit connected to a jth data line and a pixel unit including a first switching element including a first electrode connected to the jth data line, a pixel electrode connected to second electrode of the first switching element, and a compensation capacitor including a first electrode connected to the first compensation line and a second electrode connected to the pixel electrode, where the gate driving unit includes a second switching element including a gate electrode connected to an i?1th gate line, a first electrode connected to a reset line, and a second electrode connected to the first compensation line, and a third switching element including a gate electrode connected to an i+1th gate line and a first electrode connected to the first compensation line.

Abstract: A display panel includes a timing controller embedded data driver and a first data driver. The timing controller embedded data driver includes an image processing part and an internal data driving part. The image processing part generates a first data signal corresponding to a first display area and a second data signal corresponding to a second display area based on input image data. The internal data driving part generates a second data voltage based on the second data signal to output the second data voltage to the second display area. The first data driver is disposed at a first side of the timing controller embedded data driver. The first data driver receives the first data signal from the timing controller embedded data driver and generates a first data voltage based on the first data signal to output the first data voltage to the first display area.

Abstract: A display panel and a display device are disclosed. The display panel includes an array substrate (21) and a driving IC (11). The array substrate (21) includes a shift register (211). The shift register (211) includes a plurality of shift register units (2111) which are connected in multi stages. The array substrate (21) further includes a charge pump (22) which is connected with each of the shift register units (2111). An input terminal of the charge pump (22) is connected with the driving IC (11). An output terminal of the charge pump (22) is connected with each of the shift register units (2111). According to the disclosure, a charge pump is disposed on the array substrate, so as to lower a cost of the display panel.

Abstract: A display device and a driving method therefor includes a plurality of unit pixels arranged in a matrix form, a plurality of gate lines extending in a row direction and connected to the unit pixels, respectively, pluralities of first and second data lines extending in a column direction and connected to the unit pixels, respectively, a plurality of charge control lines extending in the row direction and connected to the unit pixels, respectively, a plurality of gate connection lines connected to at least two adjacent gate lines, respectively, and a plurality of charge connection lines connected to at least two adjacent charge control lines, respectively.

Abstract: The information processing apparatus includes an image information sender configured to send, to the display device, part-selecting image information provided for displaying a part-selecting image including one or more display parts, and a function executing instruction sender configured to send, to the display device, a function executing instruction executing a function corresponding to one of the one or more display parts, the one of the one or more display parts being specified by an instructing operation performed on the part-selecting image displayed on a display by the display device. The display device includes a display controller configured to display the part-selecting image on the display, based on part-selecting image information received from the information processing apparatus and a function executor configured to execute the function in accordance with a function executing instruction received from the information processing apparatus.

Abstract: A display apparatus includes a display panel including a first data line, a timing controller which generates an external voltage selection signal, a channel control signal and a data signal, an external voltage generator which selects one of first voltage levels based on the external voltage selection signal to generate a first external voltage, and a data driver including a channel voltage generator which generates a first channel voltage, a first channel line connected to the first data line, a first switch connected between a first node receiving the first channel voltage and a second node connected to the first channel line, and a second switch connected between a third node receiving the first external voltage and a fourth node connected to the first channel line, where the data driver controls operations of the first and second switches based on the channel control signal.

Abstract: In a method of operating an application processor to control a display device including a non-rectangular valid display region, screen information regarding the non-rectangular valid display region is received, and a plurality of pieces of valid pixel data selected based on the screen information and corresponding to the non-rectangular valid display region are output to the display device.

Abstract: The disclosure provides a pixel arrangement structure, a display device and a display method. The pixel arrangement structure comprises at least one pixel unit arranged in parallel along the longitudinal direction, each pixel unit comprising first pixels and second pixels arranged alternately along the horizontal direction; each first pixel comprising a first sub-pixel and a second sub-pixel arranged in turn in a first row along the horizontal direction and a third sub-pixel in a second row along the horizontal direction; each second pixel comprising a third sub-pixel in the first row along the horizontal direction and a first sub-pixel and a second sub-pixel arranged in turn in the second row along the horizontal direction, sub-pixels located in the first row inclining towards a first direction, sub-pixels located in the second row inclining towards a second direction, wherein the first direction and the second direction are horizontally opposite.

Abstract: A display method and a display device are disclosed. The display method is applicable in display panels in which sub-pixels are arranged in a triangle-shaped arrangement manner. The display method includes generating an original image including a plurality of first virtual pixels (2) according to image information; calculating a display component of a second virtual sub-pixel (31) according to display components of first virtual sub-pixels (21) of a same color as the second virtual sub-pixel (31) in at least one first virtual pixel (2); and calculating a display component of a sub-pixel (11) according to display components of second virtual sub-pixels (31) of a same color as the sub-pixel (11) in at least two adjacent second virtual pixels (3).

Abstract: The present invention provides a customizable apparel apparatus with its color, pattern, and theme modifiable easily and frequently. Using flexible display material for apparel cover in one of the embodiments enables customer to design their apparel pattern and change the pattern whenever they want to by transmitting their own design to the apparel cover via wired connections or wireless connections. As the flexible display material become ever more prevailing, this is a much lower cost approach for consumer to obtain clothing, shoes, hats, backpacks, belts, and other accessories in different color or pattern. This invention simplifies the mechanism of customizing apparel and enables the apparel wearer to modify her apparel to fit her occasion or express herself through her own designs. In addition, the present invention does not require a battery for constant energy supply which is safer for the wearer and better for environment.

Abstract: In one aspect, devices and methods are disclosed for accessing data pertaining to at least one user-specific color value for output of at least one of red light, green light, and blue light, and presenting images on a display based at least in part on the at least one user-specific color value.

Abstract: A method and device for adjusting a brightness of a display includes, determining current viewpoint brightness information of a current viewpoint region on the display corresponding to a user current viewed point or area of the display, determining previous brightness information of a previous viewpoint region of the display corresponding to a previously viewed point or area of the display, and controlling a displaying of a current image, including the current viewpoint region, with an adjusted brightness for a partial region of the display based on a comparison of the current viewpoint brightness information and the previous brightness information.

Abstract: A pixel array including first signal lines, second signal lines, active elements, pixel electrodes and selection lines is provided. The second signal lines and the selection lines are intersected with the first signal lines respectively. Each first signal line has a bridge point at an intersection with the one of the selection lines. At least one of the selection lines is disposed between two neighbouring second signal lines. Amounts of the first signal lines and the selection lines are larger than an amount of the second signal lines respectively, and an amount of second signal lines intersected with a connection line between the bridge point of the ith first signal line and the bridge point of the (i+1)th first signal line is one, i=1 to N, and N is the amount of the first signal lines.

Abstract: The present disclosure relates to methods and devices for adjusting display brightness. A method may include determining original gray scale values of pixels of a display. The method may further include performing gray scale transformation on the original gray scale values of the pixels of the display to determine transformed gray scale values. The method may further include adjusting gray scale values of the pixels of the display to the transformed gray scale values.

Abstract: Disclosed are systems and methods for improving interactions with and between computers in content searching, generating, hosting and/or providing systems supported by or configured with personal computing devices, servers and/or platforms. The systems interact to identify and retrieve data within or across platforms, which can be used to improve the quality of data used in processing interactions between or among processors in such systems. The disclosed systems and methods provide systems and methods for automatically filtering a compressed media file for perceptual display of the media content in a modified, higher-resolution format. The disclosed systems and methods apply novel visual filtering techniques to a compressed media file that enable the display of the rendered media content to appear to be displayed as a modified, higher-resolution version of itself without actually modifying the compressed media file during rendering.

Abstract: An electronic apparatus for transmitting and receiving information includes a transceiver configured to transmit and receive data, and a controller configured to cause the transceiver to receive display related information from at least one display, select at least one of the at least one display, and receive data from the selected at least one display based on the at least one display related information. An electronic apparatus for transmitting and receiving data includes a transceiver, and a controller configured to cause the transceiver to detect an image of a screen displayed on a display, determine whether a region including code information exists on a screen, decrypt the code information in the region, and receive data based on the decrypted code information.

Abstract: A control method executed by a processor included in an information processing device includes receiving a content; extracting one or more keywords of the content from the content; acquiring information in which an identifier identifying a target object, image information on the target object, and one or more keywords of the target object are associated; calculating a position of the target object on a camera image, based on the image information, when the target object is included in the camera image; calculating a display position of an image relating to the content, based on the position of the target object, when the one or more keywords of the content and the one or more keywords of the target object have a correspondence relationship; and displaying the image relating to the content on a screen, in a state of being superimposed onto the camera image, at the display position.

Abstract: The invention relates to a headlight system with a projector (1) comprising at least one image generator and a method (20) for projecting image contents. In order to adjust positions of image contents of the projected partial images to positions or movements of objects and/or living things, it is envisaged according to the invention that the position of the image contents be displaced on at least one of the image generators.

Abstract: A guitar conversion system for the assembly of a guitar in an easy quick manner, from conventional guitar designs to hybrid guitars. The guitar conversion system includes at least one main body portion and at least one side body portion. Preferably a pair of side body portions is provided. The main body portion includes a headstock, machine heads (or pegheads, or tuners), a neck, and pickups in communication with electronic controls located on the side body portion. The main body portion includes left and right edge walls having attachment means for releasably attaching at least one other main body portion or at least one side body portion to the main body. The side body portion includes at least one electrical control integrated therein for electronic communication with the main body portion. The side body portion comprising a top side wall and at least one side attachment portion that is adapted to mate with the attachment means of the main body portion.

Abstract: Disclosed is a percussion instrument pedal apparatus where a transmission mechanism is connectable to a foot board without use of an engaging member projecting from the reverse side of the foot board. The pedal apparatus includes: a foot board; a beater mounted on a pivot shaft and capable of striking a bass drum in response to pivoting of the pivot shaft; a chain member having a pivot-shaft connected section provided on one end thereof to transmit pivoting force to the pivot shaft; and a connection member pivotably mounted at one end to the distal end of the foot board and connected at the other end to the chain member, the connection member transmitting, to the chain member, pivoting force responsive to depression of the foot board. The pivoting force transmitted to the chain member is then transmitted from the chain member to the pivot shaft.

Abstract: A drum configured for permanent installation in an outdoor environment is presented. The drum comprises a mounting structure configured to permanently engage a mounting surface in the outdoor environment. The drum also comprises a shell coupled to the mounting structure. The drum also comprises a drum head coupled to the shell through use of a plurality of fasteners. The drum head comprises a tuned configuration. The drum structure is configured to be weather resistant. The drum head is configured to maintain the tuning configuration after a period of outdoor exposure.

Abstract: A metallophone structure configured for permanent installation in an outdoor environment is provided. The metallophone structure comprises a mounting structure. The metallophone structure also comprises a set of tone producing devices each coupled to the mounting structure by a fastener, wherein each tone producing device is configured to, when actuated, produce a sound frequency. The tone producing device is coupled in a location, by the fastener, as to reduce the effect on the quality of sound produced. The metallophone structure also comprises a mallet cradle configured to receive a mallet. The mallet is configured to actuate one of the tone producing devices. The metallophone structure is configured to be weather resistant such that each tone producing device still produces the sound frequency after an outdoor exposure period.

Abstract: Disclosed are an apparatus and a method of generating a sound by using a touch screen. A sound modulation apparatus according to the present invention includes: a sensor information input unit configured to receive sensing information on a position, at which a touch input of a user is applied to the screen, and pressure according to the touch input applied to the screen; and a sound modulation unit configured to set a tone frequency and volume of a sound to be output, and set the tone frequency according to the position, to which the touch input of the user is applied, and set the volume according to a size of the pressure according to the touch input.

Abstract: A method for following a musical score in real time. At least one sound emitted by a performer is recorded. At least one chromatic vector is estimated. The chromatic vector is compared with theoretical chromatic vectors of the musical score. A transition between the chromatic vector and a previous chromatic vector with theoretical transitions of the musical score is compared. A work position of the performer depending on a previous work position is estimated from the comparison of the chromatic vector and the comparison of the transition. The recording is carried out for a suitable period depending on the ratio between a period of the transition and a reference period.

Abstract: Percussion devices are described employing sensor arrays based on piezoresistive materials.

Abstract: An acoustic system is disclosed. The acoustic system includes a sound absorptive substrate, and a rigid polyester shell configured to be positioned over the sound absorptive substrate. The rigid polyester shell is configured to be mounted on an interior surface of a building such that at least some sound waves pass through the rigid polyester shell. The shell is configured to provide aesthetic features to the acoustic system.

Abstract: A system including an automatic noise canceling (ANC) headphone and a processor. The ANC headphone has a microphone configured to generate a microphone signal and at least two non-zero ANC gain levels. The processor is configured to receive the microphone signal, determine a characteristic of the microphone signal, identify a revised ANC level from the ANC gain levels based on a comparison of the characteristic to at least one threshold, and output a signal corresponding to the revised ANC level. Methods are also disclosed.

Abstract: A method of calibrating an earphone may include: securing an ANC earphone to a calibration fixture, the calibration fixture including an ear model configured to support the ANC earphone, the ear model having an ear canal configured to anatomically resemble a human ear canal and a concha configured to anatomically resemble a human ear concha, the ear canal extending from the concha to an inner end of the ear canal; generating, with the ANC earphone, an audio signal based on a reference tone; determining a characteristic of the audio signal; comparing the characteristic of the audio signal to a previously determined reference characteristic; and adjusting a gain value of the ANC earphone based on the comparing. Additional methods and apparatus are also disclosed.

Abstract: An acoustic conversion device for an active noise control is provided. The acoustic conversion device can effectively suppress or remove noise by controlling variation in a lowest resonance frequency. A volume of a closed space is smaller than an equivalent compliance air volume of a speaker unit. Therefore, motion of a vibration plate, an edge and a damper is suppressed, it is possible to restrain the edge and the damper from being deteriorated with time, variation in lowest resonance frequency can be suppressed, phase of emitted sound can be less prone to be deviated from opposite phase of noise, and it is possible to effectively suppress or remove noise.

Abstract: An exemplary engine noise control includes directly picking up engine noise from an engine of a vehicle at a pick-up position to generate a sense signal representative of the engine noise, and active noise control filtering to generate a filtered sense signal from the sense signal. The control further includes converting the filtered sense signal from the active noise control filtering into anti-noise and radiating the anti-noise to a listening position in an interior of the vehicle. The filtered sense signal is configured so that the anti-noise reduces the engine noise at the listening position.

Abstract: An improved ultrasonic lens and associated system is provided. Specifically, there is provided an ultrasonic lens with two sets of parallel sound ports operatively connected to an electrodynamic transducer to extend the working range of both audible and ultrasonic sound signals. The ultrasonic lens and electrodynamic transducer are situated so that the electrodynamic transducer axis and the sound port axes are aligned, whereby a shift in either the x or y axis direction will influence the ultrasound and audible behavior of the sound signal from the electrodynamic transducer.

Abstract: Techniques for performing multi-style speech synthesis. The techniques include using at least one computer hardware processor to perform: obtaining input comprising text and an identification of a first speaking style to use in rendering the text as speech; identifying a plurality of speech segments for use in rendering the text as speech, the identified plurality of speech segments comprising a first speech segment having the first speaking style and a second speech segment having a second speaking style different from the first speaking style; and rendering the text as speech having the first speaking style, at least in part, by using the identified plurality of speech segments.

Abstract: The present invention is provided with: a voice input section that receives a remark (a question) via a voice signal; a reply creation section that creates a voice sequence of a reply (response) to the remark; a pitch analysis section that analyzes the pitch of a first segment (e.g., word ending) of the remark; and a voice generation section (a voice synthesis section, etc.) that generates a reply, in the form of voice, represented by the voice sequence. The voice generation section controls the pitch of the entire reply in such a manner that the pitch of a second segment (e.g., word ending) of the reply assumes a predetermined pitch (e.g., five degrees down) with respect to the pitch of the first segment of the remark. Such arrangements can realize synthesis of replying voice capable of giving a natural feel to the user.

Abstract: Software which uses text to speech technology to perform electronic screenplays, including plays depicting debates, multi-lingual conversations, and scientific conference presentations, using one or more distinctly identifiable voices. Screenplays are stored by the software as collections of text fragments whose relationships to each other have been documented in machine readable form, so as to make it possible for the software to comply with user requests that various aspects of the presentation be altered. This includes complying with user requests to increase or decrease the level of detail of a presentation, requests to increase or decrease the information density of a presentation, and requests to present again material that has already been presented using alternative wordings.

Abstract: An electronic device is provided. The electronic device includes a processor and a memory electrically connected to the processor. The memory stores a super-clustered common acoustic data set and instructions to allow the processor to acquire at least one text, select information associated with a speech into which the acquired text is transformed, when the selected information is first information, select at least one of first paths, load elements of the super-clustered common acoustic data set based on the selected first paths, and generate a first acoustic signal based on the elements of the super-clustered common acoustic data set, and when the selected information is second information, select at least one of second paths, load elements of the super-clustered common acoustic data set based on the at least one second path, and generate a second acoustic signal based on the elements of the super-clustered common acoustic data set.

Abstract: Systems and methods for automatically mapping English phonemes to graphemes to support better reading and spelling instruction may include a mapping process for systematically dividing text words into graphemes made up of one or more text characters corresponding to appropriately identified phonemes (which may be represented by one or more phonetic characters). The process may also include automatically correlating each phoneme of a word with a grapheme representing the phoneme in order to produce a phoneme-to-grapheme map that may be optimized for educational use. Some embodiments may include a teaching process for presenting the results of the mapping process to students.

Abstract: An apparatus for normalizing input data of an acoustic model includes a window extractor configured to extract windows of frame data to be input to an acoustic model from frame data of a speech to be recognized, and a normalizer configured to normalize the frame data to be input to the acoustic model in units of the extracted windows.

Abstract: Methods, systems, and apparatus, including computer programs encoded on a computer storage medium, for speech endpointing are described. In one aspect, a method includes the action of accessing voice query log data that includes voice queries spoken by a particular user. The actions further include based on the voice query log data that includes voice queries spoken by a particular user, determining a pause threshold from the voice query log data that includes voice queries spoken by the particular user. The actions further include receiving, from the particular user, an utterance. The actions further include determining that the particular user has stopped speaking for at least a period of time equal to the pause threshold. The actions further include based on determining that the particular user has stopped speaking for at least a period of time equal to the pause threshold, processing the utterance as a voice query.

Abstract: An electronic device is provided including at least one microphone, a communication circuit, a processor and a memory, wherein the memory stores at least one application program or a software program executing a voice instruction, which is triggered in response to a voice input, upon the performance, the memory stores instructions to allow the processor to sequentially receive a plurality of utterances including a first speech element from a first user through the at least one microphone, generate a voice recognition model of the first user on the basis of at least some of the plurality of utterances, store the generated voice recognition model in the memory, and transmit the generated voice recognition model of the first user to the outside through the communication circuit so that a first external device uses the generated voice recognition model of the first user.

Abstract: Methods, systems, and apparatus, including computer programs encoded on a computer storage medium, for speech endpointing are described. In one aspect, a method includes the action of accessing voice query log data that includes voice queries spoken by a particular user. The actions further include based on the voice query log data that includes voice queries spoken by a particular user, determining a pause threshold from the voice query log data that includes voice queries spoken by the particular user. The actions further include receiving, from the particular user, an utterance. The actions further include determining that the particular user has stopped speaking for at least a period of time equal to the pause threshold. The actions further include based on determining that the particular user has stopped speaking for at least a period of time equal to the pause threshold, processing the utterance as a voice query.

Abstract: An electronic interactive chanting and praying system device includes a substrate, a voice input device installed to the substrate for receiving a voice message, a control processing device installed to the substrate and coupled to the voice input device for receiving the voice message and conducting a voice recognition processing to selectively generate a light source control instruction and a sound source control instruction, a light emitting device installed to the substrate and coupled to the control processing device for executing a light emitting mode according to the light source control instruction, and a speaker installed to the substrate and coupled to the control processing device for playing a piece of religious voice information according to the sound source control instruction.

Abstract: The claimed subject matter includes a system and method for recognizing mixed speech from a source. The method includes training a first neural network to recognize the speech signal spoken by the speaker with a higher level of a speech characteristic from a mixed speech sample. The method also includes training a second neural network to recognize the speech signal spoken by the speaker with a lower level of the speech characteristic from the mixed speech sample. Additionally, the method includes decoding the mixed speech sample with the first neural network and the second neural network by optimizing the joint likelihood of observing the two speech signals considering the probability that a specific frame is a switching point of the speech characteristic.

Abstract: The methods, apparatus, non-transitory computer readable media, and systems described herein include recording a mono recording of a face-to-face communication between an agent and a customer using a microphone, wherein the mono recording is unseparated and includes agent voice data and customer voice data, separately recording the agent voice data in an agent recording using a second microphone; aligning the unseparated mono recording and the agent recording so they are time-synched; subtracting agent voice data from the unseparated mono recording using the agent recording to provide a separated recording including only customer voice data, wherein the agent voice data is subtracted from the unseparated mono recording based on the alignment, sound frequency analysis, or both; converting at least the customer voice data to text; and determining a personality type of the customer by applying one or more computer-implemented linguistic algorithms to the text of the customer voice data.

Abstract: A speech recognition circuit comprises an input buffer for receiving processed speech parameters. A lexical memory contains lexical data for word recognition. The lexical data comprises a plurality of lexical tree data structures. Each lexical tree data structure comprises a model of words having common prefix components. An initial component of each lexical tree structure is unique. A plurality of lexical tree processors are connected in parallel to the input buffer for processing the speech parameters in parallel to perform parallel lexical tree processing for word recognition by accessing the lexical data in the lexical memory. A results memory is connected to the lexical tree processors for storing processing results from the lexical tree processors and lexical tree identifiers to identify lexical trees to be processed by the lexical tree processors.

Abstract: Methods, systems, and apparatus, including computer programs encoded on a computer storage medium, for receiving audio data corresponding to an utterance, determining that the audio data corresponds to a hotword, generating a hotword audio fingerprint of the audio data that is determined to correspond to the hotword, comparing the hotword audio fingerprint to one or more stored audio fingerprints of audio data that was previously determined to correspond to the hotword, detecting whether the hotword audio fingerprint matches a stored audio fingerprint of audio data that was previously determined to correspond to the hotword based on whether the comparison indicates a similarity between the hotword audio fingerprint and one of the one or more stored audio fingerprints that satisfies a predetermined threshold, and in response to detecting that the hotword audio fingerprint matches a stored audio fingerprint, disabling access to a computing device into which the utterance was spoken.

Abstract: An earpiece includes an earpiece housing, an intelligent control disposed within the ear piece housing, at least one audio input sensor operatively connected to the intelligent control, a transceiver operatively connected to the intelligent control, and a user interface operatively connected to the intelligent control and configured for receiving user input. The intelligent control is configured to receive voice input through the at least one audio input sensor and interpret the voice input to determine a voice command from a set of voice commands.

Abstract: A method for initiating an operation using voice is provided. The method includes extracting one or more voice features based on first audio data detected in a use stage; determining a similarity between the first audio data and a preset first voice model according to the one or more voice features, wherein the first voice model is associated with second audio data of a user, and the second audio data is associated with one or more preselected voice contents; and executing an operation corresponding to the first voice model based on the similarity.

Abstract: Embodiments disclosed herein provide a wireless controller which shows a voice, motion, or an image complying with or not complying with a user's command and controls an external device in accordance with the user's command. According to an embodiment, a wireless controller includes a main body provided in a shape of a flowerpot, and includes a voice recognition unit, a control unit generating a signal for controlling an object to be controlled, which is designated by a voice recognized in the voice recognition unit, in accordance with the voice, and a communication unit outputting the control signal generated in the control unit to the object to be controlled; and an indicator provided at the main body in a shape of at least one of a stem, a leaf, a flower, and a tree, and showing a motion corresponding to the voice recognized in the voice recognition unit.

Abstract: According to one embodiment, a dialogue support apparatus includes a receiver, a processor, a storage, a detector, a specifying unit, a first updating unit and a second updating unit. The receiver receives at least one input information indicating a user's intention. The storage stores a dialogue history indicating a history of the input information and a system response. The detector detects a user operation performed by the user. The specifying unit specifies the input information and the system response in the dialogue history to which the user operation is performed if the user operation is associated with a predetermined function. The first updating unit updates the dialogue history. a second updating unit that updates a user interface according to the dialogue history updated by the first updating unit.