Abstract: A shift register circuit for driving an OLED display panel is provided. The shift register circuit includes a plurality of circuit stages connected in series. Each circuit stage includes two shift registers and an enable-signal generator circuit. Each shift register includes two transistors, an input unit and a disable unit. The enable-signal generator circuit is configured to generate an enable signal according to the signals at the control terminals of the four transistors in the two shift registers.

Abstract: An organic light emitting display device includes: a display panel; a timing controller configured to receive image data when a vertical sync signal is activated, to receive reference data corresponding to the image data when the vertical sync signal is deactivated, and to generate an emission control signal in accordance with emission duty information of the reference data; and an emission driver configured to supply first and second emission powers to the display panel, and to control a duration of a period during which a potential difference between the first and second emission powers is greater than or equal to a reference value in accordance with the emission control signal.

Abstract: An array test method of an organic light emitting diode (OLED) display substrate is provided. The OLED display substrate includes a plurality of pixel circuits. Each pixel circuit includes an anode, a first transistor for transmitting a data signal that controls an amount of light emission of an OLED according to a scan signal, a driving transistor for receiving the data signal, generating a driving current corresponding to the data signal, and transmitting the driving current to the OLED, and a second transistor for diode-connecting a gate electrode and a drain electrode of the driving transistor. The array test method includes: injecting electrons or holes that generate an initialization voltage into the anode by turning on the second transistor; radiating electron beams at the anode; and determining whether or not the driving transistor performs normal operation from an amount of secondary electrons emitted from the anode.

Abstract: An OLED display device which can sense a current of each pixel at high speed by a simple structure in order to compensate for luminance non-uniformity and a pixel current sensing method thereof are discussed. The OLED display device includes a display panel including pixels, each including a light emitting element and a pixel circuit for independently driving the light emitting element, a data driver for driving a data line connected to the pixel circuit using a data voltage, floating one of the data line, a reference line for supplying a reference voltage to the pixel circuit, and a power line for supplying a power to the pixel circuit to use the floated line as a current sensing line, sensing a voltage corresponding to a pixel current of the pixel circuit flowing to the current sensing line, and outputting the sensing voltage, in a sensing mode.

Abstract: The sensing apparatus includes a sensor and a sampling amplifier. The sensor includes switches, capacitors and gain amplifiers. Second terminals of first and second switches respectively coupled to first and second terminals of third switch. First and second terminals of the first capacitor respectively coupled to a reference voltage and the second terminal of the first switch. Input terminals of the first and the second gain amplifiers respectively coupled to the second terminals of the first and the second switches, and output terminals of the first and the second gain amplifiers respectively coupled to the first and the second input terminals of the sampling amplifier. The first terminal of the second switch coupled to a common mode voltage. The first terminal of the first switch coupled to the pixel circuit via the data line of the display panel.

Abstract: A reference luminescence amount-acquiring unit of a display device obtains reference brightness corresponding to a BL drive value detected by a drive value-detecting unit and a temperature detected by a temperature-detecting unit. A deterioration-detecting unit calculates an initial status value based on a ratio of reference brightness obtained based on a temperature and a BL drive value in an initial status and brightness in the initial status detected by a luminescence amount-detecting unit, and stores the initial status value. The deterioration-detecting unit further calculates a current status value based on a ratio of reference brightness obtained based on a current temperature and a current BL drive value and current brightness detected by the luminescence amount-detecting unit, compares the initial status value with the current status value, and determines whether calibration is required.

Abstract: A light emitting diode (LED) backlight driving circuit includes a power module, a constant current driving module, and an LED light bar coupled to the power module. A light-bar-voltage collecting module is coupled to an output end of the LED light bar and outputs a first comparison voltage. A power-voltage collecting module is coupled to an output end of the power module and outputs a second comparison voltage. The constant current driving module includes a switching unit and a control unit. The control unit adjusts an output voltage of the power module. A preset reference voltage is sent to the switching unit. When an absolute value of a difference between a preset reference voltage and the first comparison voltage exceeds a preset range of a voltage, the switching unit outputs the first comparison voltage to the control unit.

Abstract: A transparent display device including a liquid crystal panel is provided. The liquid crystal panel includes a color filter substrate, an array substrate, a liquid crystal layer, a first polarizer and a second polarizer. The first polarizer is disposed on a side of the color filter substrate far from the liquid crystal layer. The second polarizer is disposed on a side of the array substrate far from the liquid crystal layer. The color filter substrate includes a transparent base, and a color filter formed on the transparent base. The color filter includes compound pixel regions, wherein each of the compound pixel regions has color sub-pixel regions and a transparent sub-pixel region. The second polarizer includes a non-polarized pattern spatially corresponding to the transparent sub-pixel region in the color filter, after a light passing through the non-polarized pattern, the polarization state remains unchanged.

Abstract: A display device and a method for controlling a luminance of the display device are disclosed. The display device includes an average picture level (APL) calculator which calculates an APL of an input image and outputs the APL of the input image and an APL curve data, a luminance adjuster which adjusts the APL curve data and includes at least two luminance adjusting units which are enabled in response to a user input through a user interface, a data modulator for modulating data of the input image using a luminance defined in the APL curve data adjusted by the luminance adjuster, and a display panel driving circuit which writes data from the data modulator on a display panel and reproduces the input image on the display panel.

Abstract: A display device includes a display portion having gate and source signal lines, and a plurality of pixels, a gate driver that outputs gate signals, a source driver that outputs source signals, and a controller that causes the display portion to display an image at a frame frequency. The controller sets the frame frequency to a first frame frequency F1 when the image is a moving picture, and the controller sets the frame frequency to a second frame frequency F2 lower than F1 when the image is a still picture. The gate driver outputs the gate signals to the gate signal lines in an aligned order of gate signal lines in a second direction when the frame frequency is F1, and the gate driver outputs the gate signals to the gate signal lines in different order from the array order when the frame frequency is F2.

Abstract: A display device includes multiple pixels, a gate driver and a data driver. Each pixel includes a transistor and a pixel capacitor electrically coupled to the transistor. The gate driver is configured to turn on the transistor of a first pixel for one time during a first turn-on period of multiple turn-on cycles of a frame cycle of a frame displayed by the display device. The data driver is configured to charge the pixel capacitor of the first pixel via the transistor of the first pixel to a first over-charge voltage and a data voltage during an over-charge period and a recovery period of the first turn-on period. The first over-charge voltage is different from the data voltage. A method for driving the display device is also provided.

Abstract: A display device includes a display panel and a lens plate covering the display panel. The display panel includes pixel units, and each pixel unit includes a first pixel portion and a second pixel portion. The first pixel portion includes a first switch and a slit indium tin oxide (ITO) connected to the first switch. The second pixel portion includes a second switch and a full ITO connected to the second switch.

Abstract: The present invention provides a driving method for a liquid crystal display panel, comprising a timing-driven process, wherein the timing-driven process includes the steps of: generating an initial pulse signal, which has a first rising edge rising from a low voltage to a high voltage and a first falling edge falling from the high voltage to the low voltage; and generating a timing pulse signal, which has a second rising edge rising from a low voltage to an intermediate voltage, a third rising edge rising from the intermediate voltage to a high voltage, a second falling edge falling from the high voltage to the intermediate voltage, and a third falling edge falling from the intermediate voltage to the low voltage. At the same time, the present invention further provides a driving circuit for a liquid crystal display panel.

Abstract: According to one aspect of the present invention, the provided is a gate driving circuit, comprising: a first switch control circuit, being configured to be respectively coupled to each of the multiple stages of shift register units; a second switch control circuit, being configured to be respectively coupled to each of the multiple stages of shift register units. The first switch control circuit controls the multiple stages of shift register units to turn on in a forward sequence; the second switch control circuit controls the multiple stages of shift register units to turn on in a backward sequence.

Abstract: A liquid crystal display device (1) includes a plurality of pixels disposed in a matrix form. The liquid crystal display device (1) is driven such that, after a common data voltage is applied to liquid crystal layers of sub pixels disposed in each of the pixels, the transmittance of the liquid crystal layer of a sub pixel which is positioned closest to a boundary between a retarder plate (RR) and a retarder plate (RL) will be decreased. The maximum value of the transmittance of the liquid crystal layers of the sub pixels in a first display mode is smaller than that in a second display mode.

Abstract: A computer-implemented method for scaling an image is described. An image that depicts a device in contact with a user is obtained. The image depicts identifying information that is being displayed on a display of the device. A type of the device is identified based on the identifying information. A size of the device is determined based on the identified type of the device. At least a portion of the depiction of the user is scaled based on the determined size of the device.

Abstract: A display device for displaying a standby screen in a standby mode (SM), and a method for driving the same are disclosed. The display device includes: a display panel including pixels, and gate lines (GLs), data lines (DLs), and a common line (CL) connected to the pixels, a gate switching unit connecting the GLs due to an external SM signal, a data driver (DD): converting input data signals into analog signals due to a display mode signal, and supplying the analog signals to the DLs, a data switching unit: grouping the DLs due to the SM signal, and connecting DLs of the same group, and a SM driving unit: driving the GLs due to the SM signal, and driving the DLs of at least one group and the CL to generate a potential difference therebetween. When the SM signal is supplied to the DD, operation of the DD is stopped.

Abstract: Embodiments of the present invention relate to a color temperature tuning method, a color temperature tuning apparatus, and a display apparatus. The color temperature tuning method includes the steps of: matching an input color temperature signal with a color temperature value in the color temperature lookup table, and extracting a current signal corresponding to the color temperature value matching with the input color temperature signal from the color temperature lookup table; and controlling a light emitting device to emit light according to the current signal. According to embodiments of the present invention, intermediate calculation process is omitted and time for tuning the color temperature is shorten. Currents flowing through the blue and green light emitting elements are controlled to emit lights to excite red fluorescent powder, so that the LED emits lights having various color temperatures, and tuning accuracy of the color temperature and user experience are improved.

Abstract: The present invention provides a display system capable of efficiently calibrating image content even when the image is displayed and thereby capable of reducing the time and cost required for calibration, and also provides a computer-readable recording medium. The control device thereof processes an image to be displayed on a display section beforehand so as to be usable for calibration. While the image is actually being displayed on the display section, the control device captures an image displayed on the display section using a capturing device at the timing at which a calibration image is displayed, compares the luminance or color in the calibration image with the luminance or color in the image obtained by capturing the calibration image, and creates correction information for correcting an image signal to be output to the display section on the basis of the result of the comparison.

Abstract: The image display apparatus according to the invention is characterized by comprising a light source for emitting out parallel light, a light deflector capable of deflecting the parallel light emitted out from the light source, and a control unit operable to produce a scan signal for deflecting the light deflector periodically and produce a light intensity control signal in sync with the scan signal based on entered image information thereby controlling the light source.

Abstract: Systems, methods, and devices are provided for histogram generation and evaluation used in adjusting the power consumed by a backlight of an electronic display. One such method involves generating a pixel brightness histogram of an image frame passing through a pixel pipeline in a nonlinear space. One or more pixel brightness values from the histogram may be selected before being converted from the nonlinear space into a linear space. A tone mapping function and backlight intensity are determined based at least in part on the one or more pixel brightness values in the linear space. The resulting tone mapping function is converted to the nonlinear space and applied to the image frame or a subsequent image frame in the pixel pipeline. The pixels of the image frame to which the nondistorting portion of the tone mapping function is applied may appear substantially undistorted despite a reduction in backlight intensity.

Abstract: An electro-optic device including a pixel circuit that includes an electro-optic element and a driving transistor; a first data generation unit that, during a first period when image display operation is not performed, detects a temperature and generates first data which allows control of brightness of an image in accordance with the detected temperature; and a luminance control unit that, during a second period when image display operation is performed, performs control of luminance of the electro-optic element on the basis of the first data which is generated during the first period.

Abstract: Adjust a vertical blanking interval of a display horizontal synchronization signal, according to a difference between an external horizontal synchronization signal and the display horizontal synchronization signal, for synchronizing the display horizontal synchronization signal to the external horizontal synchronization signal. This only requires one or two frames to synchronize the display horizontal synchronization signal to the external horizontal synchronization signal, and will not cause the user to perceive display pauses or flickers.

Abstract: A method and apparatus for providing content experience service are disclosed. The apparatus includes a camera device tracking unit, a user behavior tracking unit, a real image acquisition unit, a motion information processing unit, a virtual space control unit, and a virtual multi-image generation unit. The camera device tracking unit collects camera motion information. The user behavior tracking unit collects user motion information. The real image acquisition unit photographs a space including the user, and separates a real image into a foreground and a background using a background key table. The motion information processing unit corrects the camera motion information and the user motion information. The virtual space control unit generates virtual space control information and virtual space information. The virtual multi-image generation unit generates a virtual multi-image, and provides the content experience service based on the generated virtual multi-image.

Abstract: A display controller displays, on a display device, a color to be adjusted used to adjust a display color, and a plurality of candidate colors which define a first color range including the color to be adjusted, all of which are instructed by a user. A selector selects one of the plurality of candidate colors based on a user instruction. The display controller displays the selected candidate color as the color to be adjusted on the display device, and also displays, on the display device, a plurality of candidate colors which define a second color range including the color to be adjusted. The second color range is narrower than the first color range.

Abstract: A display method, and a user terminal and a system for transmitting and receiving data using the same, are disclosed. The display method includes sequentially receiving first data from an external server, and displaying the received first data in the order of receiving the first data; discontinuing to receive un-received data among the first data, receiving the second data from the external server, and displaying the received second data on a screen; and continuing to receive the discontinued data from the external server.

Abstract: A technique analyzes an image to be displayed on a screen, before it is displayed, to determine a current draw of that image on the screen. Based on this analysis, adjustments can be made to the circuitry so that when the image is displayed, it is done so more efficiently. In a specific implementation, a DC-to-DC converter includes two boost converter circuits. Based on the analyzed image, the technique turns on a single boost converter when the current draw of that image is below an identified current threshold level, and turns on two boost converters when above the identified current threshold level.

Abstract: A tremolo device for static retention of a plurality of musical instrument strings in a stringed instrument. The tremolo device has a body with an upper surface, a neck portion, and a plurality of strings anchored at a first end of the neck and extending over at least a portion and secured to the tremolo device at the other end of the neck portion and the body and possesses an inertia block mechanism with substantially solid construction disposed to receive and securely retain a plurality of raw instrument strings without removal of a ball end from each string. The inertia block has an upper portion, a lower portion, and a plurality of internal, longitudinally displaced, cylindrically shaped, string retaining chambers designed to pass through an entirety of the block mechanism. The string retaining chambers have an upper and lower portion corresponding with the upper and lower portions of the block.

Abstract: A piccolo comprising a conical-bore headjoint, and a cylindrical-bore main body having toneholes of particular size disposed at particular intervals along the length of the body.

Abstract: A drum pedal includes a unit body, a pedal, a chain belt, a shaft, a beater, and a tension coil spring. The tension coil spring has a lower end coupled through a bolt, an adjusting nut, and a locking nut to a bracket fixed to a column. The tension coil spring pivots together with the bolt and the adjusting and locking nuts relative to the bracket. A pivot fulcrum of the tension coil spring is provided on the lower surface of the bracket contacting the adjusting nut.

Abstract: Technologies are generally described for a virtual instrument playing system.

Abstract: A sounding device of the present invention includes a grip, an actuator adjacent the grip, and a resonator adjacent the actuator. The grip is configured to be worn on one hand of a user. The actuator is configured to strike the resonator, and the resonator is configured to make a sound when struck by the actuator. A method of utilizing the sounding device includes securing the sounding device on a hand of a user by inserting a first finger of the user's hand near the thumb through the grip, and inserting a second finger of the user's hand adjacent the first finger on at least a portion of the grip. The method further includes placing the thumb on the actuator and activating the sounding device by causing the actuator to make contact with the resonator, wherein the resonator is configured to make a sound when contacted by the actuator.

Abstract: There is provided a filter circuit for producing a noise reduction signal for reducing a noise signal collected by a microphone, including: a digital section including an analog/digital conversion section configured to convert the noise signal into a digital noise signal, a digital filter section configured to produce a digital noise reduction signal based on the digital noise signal, and a digital/analog conversion section configured to convert the digital noise reduction signal into an analog noise reduction signal; an analog path connected in parallel to said digital section and configured to output the noise signal as it is or after processed by an analog filter; and a synthesis section configured to synthesize the analog noise reduction signal outputted from said digital/analog conversion section of said digital section and the analog signal outputted from said analog path to produce a noise reduction signal to be used for noise reduction.

Abstract: A vibration member (140) has a sheet shape. A piezoelectric element (130) is attached to one surface of the vibration member (140). A support member (110) supports the edge of the vibration member (140). The support member (110) includes a first facing portion (112) and a second facing portion (114). The first facing portion (112) faces the surface of the vibration member (140) to which the piezoelectric element (130) is attached. The second facing portion (114) faces the surface of the vibration member (140) which is located on the opposite side to the piezoelectric element (130). A first spring (152) is provided between the first facing portion (112) and the vibration member (140) or the piezoelectric element (130). A second spring (154) is provided between the second facing portion (114) and the vibration member (140).

Abstract: Controlling a reading machine while reading a document to a user by receiving an image of a document, accessing a knowledge base that provides data that identifies sections in the document and processing user commands to select a section of the document. The reading machine applies text-to-speech to a text file that corresponds to the selected section of the document, to read the selected section of the document aloud to the user.

Abstract: A speech synthesis system can record concatenation costs of most common acoustic unit sequential pairs to a concatenation cost database for speech synthesis by synthesizing speech from a text, identifying a most common acoustic unit sequential pair in the speech, assigning a concatenation cost to the most common acoustic sequential pair, and recording the concatenation cost of the most common acoustic sequential pair to a concatenation cost database.

Abstract: Techniques for presenting data input as a plurality of data chunks including a first data chunk and a second data chunk. The techniques include converting the plurality of data chunks to a textual representation comprising a plurality of text chunks including a first text chunk corresponding to the first data chunk and a second text chunk corresponding to the second data chunk, respectively, and providing a presentation of at least part of the textual representation such that the first text chunk is presented differently than the second text chunk to, when presented, assist a user in proofing the textual representation.

Abstract: A sound signal from a patient may include information that may be used to determine multiple patient parameters. A patient monitor may determine respiration information such as respiration rate from the sound signal, for example based on modulations of the sound signal due to patient breathing. The patient monitor may also determine indications of patient distress based on a trained classifier, speech commands, or sound patterns.

Abstract: Voice stream augmented note taking may be provided. An audio stream associated with at least one speaker may be recorded and converted into text chunks. A text entry may be received from a user, such as in an electronic document. The text entry may be compared to the text chunks to identify matches, and the matching text chunks may be displayed to the user for selection.

Abstract: The present invention discloses a method and device for voice control, which are used to solve the problem of low success rate of voice control in the prior art. The method includes: classifying stored recognition information used for voice recognizing to obtain a syntax packet corresponding to each type of recognition information (10); receiving an inputted voice signal, and performing a voice recognition processing respectively on the received voice signal by using each obtained syntax packet in turn (20), and performing a corresponding control processing based on a voice recognition result of the voice signal according to each syntax packet (30).

Abstract: Provided are a mash-up service generation apparatus and method based on a voice command. The mash-up service generation apparatus includes a voice recognizer configured to convert a voice command into a character string, a mash-up natural language processor configured to extract a word corresponding to a mash-up module based on the character string, and convert the word into at least one of metadata of the mash-up module and metadata of a mash-up sequence in which a plurality of mash-up modules are combined, and a mash-up sequence processor configured to search for and select a target mash-up sequence corresponding to the metadata of the mash-up sequence, and newly generate the target mash-up sequence. Accordingly, a customized mash-up service can be provided to a user.

Abstract: Apparatus and method that improves speech recognition accuracy, by monitoring the position of a user's headset-mounted speech microphone, and prompting the user to reconfigure the speech microphone's orientation if required. A microprocessor or other application specific integrated circuit provides a mechanism for comparing the relative transit times between a user's voice, a primary speech microphone, and a secondary compliance microphone. The difference in transit times may be used to determine if the speech microphone is placed in an appropriate proximity to the user's mouth. If required, the user is automatically prompted to reposition the speech microphone.

Abstract: Systems and methods for bio-phonetic multi-phrase speaker identity verification are disclosed. Generally, a speaker identity verification engine generates a dynamic phrase including at least one dynamically-generated word. The speaker identity verification engine prompts a user to speak the dynamic phrase and receives a dynamic phrase utterance. The speaker identity verification engine extracts at least one voice characteristic from the dynamic phrase utterance and compares the at least one voice characteristic with a voice profile the generate a score. The speaker identity verification engine then determines whether to accept a speaker identity claim based on the score.

Abstract: Methods, systems, computer-readable media, and apparatuses for utilizing voice biometrics to prevent unauthorized access are presented. In some embodiments, a computing device may receive a voice sample. Subsequently, the computing device may determine a voice biometric confidence score based on the voice sample. The computing device then may evaluate the voice biometric confidence score in combination with one or more other factors to identify an attempt to access an account without authorization.

Abstract: An encoding and decoding system includes: a characteristic determining unit which determines whether a sound signal is a speech signal or an audio signal; an encoder which encodes the sound signal into an encoded signal, based on a determination by the characteristic determining unit; a transmitting unit which transmits the encoded signal; a receiving unit which receives the encoded signal; a decoder which decodes the encoded signal; and a packet loss detecting unit which detects a loss of data of the encoded signal and transmits a notification indicating the loss of the data to the characteristic determining unit. Upon receiving the notification indicating the loss of the data, the characteristic determining unit causes the encoder to encode the sound signal portion into a signal portion composed of independently decodable frames.

Abstract: An audio accelerator includes a decoder to decode first and second sets of data blocks, a processor to process the first and second sets of decoded data blocks, a storage area to store the first and second sets of processed data blocks, and a controller to generate interrupt signals for controlling operation of the decoder. The controller may control a rate at which data blocks are to be decoded by the decoder to reduce a time gap between outputting adjacent ones of the data blocks from the first and second sets in the storage area.

Abstract: Methods and devices for a low complex inter-channel difference estimation are provided. A method for the estimation of inter-channel differences (ICDs), comprises applying a transformation from a time domain to a frequency domain to a plurality of audio channel signals, calculating a plurality of ICD values for the ICDs between at least one of the plurality of audio channel signals and a reference audio channel signal over a predetermined frequency range, each ICD value being calculated over a portion of the predetermined frequency range, calculating, for each of the plurality of ICD values, a weighted ICD value by multiplying each of the plurality of ICD values with a corresponding frequency-dependent weighting factor, and calculating an ICD range value for the predetermined frequency range by adding the plurality of weighted ICD values.

Abstract: Implementations are provided herein relating to audio matching. A variable length local sensitivity hash (“LSH”) index can be created through a careful examination of existing LSH bands in the LSH index. LSH bands with offset lists that meet a band size threshold can be lengthened repeatedly until a maximum length threshold is reached or an offset list associated with a lengthened LSH band fails to meet the band size threshold. The LSH index can be further tuned by down-sampling or discarding LSH bands that reach a maximum length threshold and still lack discriminate properties.

Abstract: A noise filling method is provided that includes detecting a frequency band including a part encoded to 0 from a spectrum obtained by decoding a bitstream; generating a noise component for the detected frequency band; and adjusting energy of the frequency band in which the noise component is generated and filled by using energy of the noise component and energy of the frequency band including the part encoded to 0.

Abstract: A method for quantizing phase information on an electronic device is described. The method includes obtaining a speech signal. The method also includes determining a prototype pitch period signal based on the speech signal and transforming the prototype pitch period signal into a first frequency-domain signal. The method additionally includes mapping the first frequency-domain signal into a plurality of subbands. The method also includes determining a global alignment based on the first frequency-domain signal and quantizing the global alignment utilizing scalar quantization to obtain a quantized global alignment. The method additionally includes determining a plurality of band alignments corresponding to the plurality of subbands. The method also includes quantizing the plurality of band alignments utilizing vector quantization to obtain a quantized plurality of band alignments. The method further includes transmitting the quantized global alignment and the quantized plurality of band alignments.