Abstract: Provided is a compensation method of a cathode voltage drop of an OLED display device and a pixel driving circuit. The first pixel driving circuits having function of detecting the cathode voltage are arranged in a portion of sub pixels of the OLED display device and uses the first pixel driving circuits to detect the cathode voltages of these sub pixels. The cathode voltages inputted to all the sub pixels of the OLED display device are obtained by interpolation according to the detected cathode voltages of these detecting sub pixels. Then, the cathode voltage compensation look up table is obtained according to the cathode voltages of all the sub pixels of the OLED display device. Finally, the data signal voltage is compensated with the cathode voltage compensation look up table. The data signal voltage after compensation is used to drive the OLED display device to perform image display.

Abstract: The invention provides a pixel driving circuit, repair method thereof, and a display device. The pixel driving circuit comprises: a first TFT, a second TFT, a third TFT, a fourth TFT, a fifth TFT, a capacitor, a first electroluminescent device, and a second electroluminescent device; by controlling the fourth and fifth TFTs to turn on and off alternatingly through the light-emitting control signal, the first and second electroluminescent devices emit light alternatingly so as to reduce operation duration of the first and second electroluminescent devices and improve the lifespan of the first and second electroluminescent devices, as well as to ensure the pixel emitting light normally when one of the first and second electroluminescent devices malfunctions by adjusting the voltage of the light-emitting control signal so that the remaining functioning electroluminescent device continues to operate.

Abstract: A light emitting device includes a light emitting element, a driving transistor configured to control driving of the light emitting element, a threshold correction unit configured to perform compensation for a voltage corresponding to a threshold of the driving transistor, and an electric potential setting unit configured to set an electric potential of a node between the driving transistor and the light emitting element, wherein the electric potential setting unit sets a first electric potential and a second electric potential different from the first electric potential, at the node.

Abstract: In a current measurement period set in a pause period, a display device of the present invention applies measurement voltages to data lines (S1 to Sm) and measures currents outputted to monitoring lines (M1 to Mm) from m pixel circuits (18), and then applies data voltages generated corresponding to video signals to the data lines (S1 to Sm).

Abstract: A shift register unit, a driving method, a gate driving circuit and a display device are described. The shift register unit comprises a control circuit, a first output circuit and a second output circuit, wherein the first output circuit is connected with a first signal terminal, a first node and an output terminal, respectively; the second output circuit is connected with the output terminal, a second node, a first clock signal terminal and a second signal terminal, respectively; the control circuit is connected with the first node, the second node, the first signal terminal, the second signal terminal, the first clock signal terminal, a second clock signal terminal and an input terminal, respectively, and used for controlling the potentials of the first node and the second node.

Abstract: A voltage generator configured to generate a plurality of voltage groups, each of the plurality of voltage groups including a plurality of reference voltages, and a decoder having an output node configured to output one of the plurality of reference voltages is disclosed. The decoder includes switch blocks that correspond to the plurality of voltage groups. Each of the switch blocks includes transistors that are turned on or off by or in response to a control signal, and each transistor in one of the switch blocks has a channel width different from a channel width of each transistor in another one of the switch blocks.

Abstract: A mura compensation method for display panel is disclosed, including: storing a specific grayscale compensation data table in a timing controller, in which the specific grayscale compensation data table being used for performing grayscale compensation to a fix mura area in the display panel; obtaining a current grayscale of the display panel; based on the specific grayscale compensation data table, performing grayscale compensation to the current grayscale of a pixel in the fixed mura area of the display panel. A display panel is close disclosed.

Abstract: There is disclosed an apparatus including a backlighting processor unit (BPU), and a colour illumination system which is connectable to the backlighting processor unit, the colour illumination system attachable to a reverse side of a display, wherein the display is positionable facing away from a vertical surface, the backlighting processor unit arranged to receive a display frame and to transmit the display frame to the display, the backlighting processor unit further arranged to process the display frame, and to control the colour illumination system to output a colour, at an intensity, wherein the colour is obtained from the processing of the display frame, the output colour being output at the intensity towards the vertical surface.

Abstract: A display apparatus sequentially receiving a plurality of frames including first and second frames and displaying an image based on the frames includes a backlight module, a liquid crystal panel, a light emission control unit configured to control light emissions executed by the backlight module with brightnesses based on the frames, and a liquid crystal control unit configured to control transmittance of the liquid crystal panel based on a frame corrected based on the brightnesses of the backlight module. In this case, the light emission control unit starts controlling the light emissions executed by the backlight module with the brightnesses based on the first frame after the liquid crystal control unit starts controlling the transmittance of the liquid crystal panel based on the second frame corrected based on the first frame.

Abstract: Disclosed are a pixel structure, an array substrate, and a display panel. In the pixel structure, a stabilizing line is configured to provide a stabilized signal to each pixel unit in a corresponding pixel unit group. When a high grayscale image is displayed, the stabilized signal provided by the stabilizing line is the same as a data signal received by a pixel unit in a turned-on state in the corresponding pixel unit group. Light transmittance and picture contrast of the display panel can be improved when the high grayscale image is displayed.

Abstract: Disclosed are a liquid crystal display device and a method for driving the liquid crystal display device. According to the method for driving the liquid crystal display device, a liquid crystal panel in the liquid crystal display device is divided into a plurality of areas along a transverse direction. Each of the areas includes a plurality of data lines. In each of the areas, electrical potentials of m data lines are positive, and electrical potentials of n data lines are negative. When an electrical potential shift of a common electrode line is negative, m>n; and when the electrical potential shift of the common electrode line is positive, m<n.

Abstract: The invention relates to a potential transfer circuit, driving method thereof and display panel using the same. The present potential transfer circuit comprises: a core circuit for providing an image signal; a controlling unit for extracting a controlling signal and a pixel signal from the image signal; a level rising unit for raising a voltage of the controlling signal and a voltage of the pixel signal to a simulation operating voltage; a signal output switch, including a controlling terminal electrically coupled to the level rising unit, and a first terminal electrically coupled to the core circuit; wherein a turn on speed of the signal output switch is controlled by a boost speed of the simulation operating voltage.

Abstract: A display device including a display panel and a driving circuit configured to drive the display panel may be provided. The display panel includes a plurality of gate lines, a plurality of data lines and a plurality of sub pixels connected to the plurality of gate lines and the plurality of data lines, respectively.

Abstract: A display apparatus includes an image display region having pixels sectioned by scanning signal lines and video signal lines, scanning connecting lines, thin film transistors, selection signal lines connected to gate electrodes of the thin film transistors, plural ones of the thin film transistors connected to different ones of the scanning connecting lines being connected to one of the selection signal lines; and a scanning signal drive circuit. The scanning signal drive circuit performs a normal scanning mode in which pulse signals are supplied in turn to plural ones of the scanning connecting lines connected to the one of the selection signal lines, and in the normal scanning mode, a fall timing of the gate-on voltage differs from a fall timing of a last one of the pulse signals supplied to the plural ones of the scanning connecting lines during the selection period.

Abstract: A display device including a liquid crystal panel assembly including a plurality of pixels, a data driver applying a data voltage to a plurality of data lines which is connected to the plurality of pixels, and a common voltage generator providing a common voltage to the liquid crystal panel assembly, in which the common voltage is an optimal common voltage for a maximum grayscale at which a flicker is minimized while a data voltage with a maximum grayscale is applied to the plurality of pixels.

Abstract: Each Shift registers includes fourth switches and a voltage regulator circuit: a first switch: a control end electrically coupled to an input pulse signal, a first end electrically coupled to the input pulse signal, and a second end electrically coupled to a first node; a second switch: a control end electrically coupled to a second node, a first end electrically coupled to the first node, and a second end electrically coupled to a preset low potential; a third switch: a control end electrically coupled to a third node, a first end electrically coupled to a frequency signal, and a second end electrically coupled to an output end; a fourth switch: a control end electrically coupled to the second node, a first end electrically coupled to the output end, and a second end electrically coupled to the preset low potential.

Abstract: A shift register circuit includes a plurality of stages of shift registers, each shift register including: a first through fourth switches. In the first switch: a control end electrically coupled to a first node, and a first end electrically coupled to a frequency signal; in the second switch: a control end electrically coupled to the first node, a first end electrically coupled to the frequency signal, and a second end electrically coupled to a next-stage frame signal; in the third switch: a control end electrically coupled to a current-stage frame signal, and a second end electrically coupled to the first node; in the fourth switch: a control end electrically coupled to the next-stage frame signal, a first end electrically coupled to a second end of the first switch, and a second end electrically coupled to a current-stage gate signal.

Abstract: The present disclosure relates to a display device and a driving method of a display device. The display device includes a display panel including a first display area and a second display area; a data correcting unit which is applied with n-bit input image data to generate (n-a)-bit corrected image data; a timing control unit which is applied with the (n-a)-bit corrected image data to generate (n-a)-bit output image data; and a data driving unit which is applied with the (n-a)-bit output image data to output a first data voltage to a first pixel disposed in the first display area and output a second data voltage to a second pixel which is disposed in the second display area and corresponds to the first pixel.

Abstract: An amplifier feeds a current corresponding to a difference between a gradation voltage corresponding to a luminance level in a video signal and an amplified gradation voltage obtained by amplifying such a gradation voltage through an output current line in a current mirror circuit, and provides a voltage on the output current line to an output part via a driving line. The output part generates the amplified gradation voltage on the output line by feeding a current according to a voltage on the driving line through the output line.

Abstract: An electronic device is disclosed. The electronic device comprises: a storage for storing reference data including at least one of reference brightness and a reference color with respect to pixels constituting a display panel device; and a processor configured to compare an image taken from a preset video displayed on the display panel device with the reference data stored in the storage to calculate a target pixel area required to be corrected among pixel areas constituting a display panel and correction data for the target pixel area, thereby transmitting identification information of pixels included in the target pixel area and correction data to the display panel device.

Abstract: A display device including a housing; a display unit; a rotatable guide bar accommodated in the housing and configured to withdraw the display unit from the housing or insert the display unit into the housing; and a controller configured to display first content in a first region of the display unit withdrawn from the housing, in response to a second-content display command, withdraw the display unit to add a second region, and display second content in the second region.

Abstract: According to one embodiment, there is provided a mobile terminal including a terminal body that includes a first body and a second body, which is formed to be switchable between an opened state and a close state; a hinge unit that supports the first and second bodies to be rotated relative to each other; and a display unit that includes an inside-surface display area s, and first and second extension display areas, in which information associated with a first screen is displayed on any one of the first and second extension display areas, in which an icon which indicates that the first and second extension display area are combinable is displayed along with information associated with the first screen, and in which the information associated with the first screen is changed and the changed information is displayed on a combined extension display area.

Abstract: Performance counters provided in a graphics processor unit (GPU) are used to provide values used to make a determination of GPU activity so that power management can be exercised. In preferred embodiments counter values relating to computation unit idle times, computation unit stall times, DRAM bandwidth and computation unit stall times due to a sampler wait are utilized to determine performance level. If performance is above a minimum level but the GPU is above certain idleness determinations provided by those values, the GPU can have portions powered down to reduce power consumption while not having a noticeable effect on operations. Based on the various counter values, portions of the GPU can be turned off or disabled to reduce power consumption without having a noticeable effect on perceived GPU performance.

Abstract: A digital sight-singing piano is disclosed with a fixed-solfège keyboard, continuous keys and adjustable tones by kneading piano keys, wherein the key can be varied continuously and the frequency of a piano key can be slightly adjusted by kneading the piano key during playing. The keyboard of the digital sight-singing piano has fixed solfège, wherein no matter what key is used for playing, the piano keys in a solfège key set always have the same correspondence to the solfège syllables of the numbered musical notation in one octave. A color graphic vector numbered musical notation is also disclosed, wherein extended solfège is used to describe pitch, different colors are used to indicate the positions of the piano keys to press, notation frames with fixed width are used to represent the beat unit, and font (i.e., bold or not) of musical notes are used to show the strength of pressing piano keys. The color graphic vector numbered musical notation is suitable for computer-aided notation.

Abstract: A smart musical instrument system may include a musical instrument, a first sensor, a second sensor, a processor device, and a reminder device. The first sensor may be configured to obtain first performance data reflecting operations of the musical instrument. The may be second sensor configured to receive second performance data associated with hand posture of a user of the smart instrument system. The processor device may be in communication with the first sensor and the second sensor, and may be configured to generate feedback based on at least one of the first performance data or the second performance data. The reminder device may be configured to deliver the feedback to the user.

Abstract: A method for generating a music file for recording user performance may include: detecting, by a sensor, an event indicating a status change of an execution device of the keyboard instrument; generating, by the sensor, a signal corresponding to the detected event; receiving, by a processor, the signal; and generating, by the processor, a music file based on the signal. In some embodiments, the execution device may include a weight lever. The weight lever may a concrete structure in the keyboard instrument to simulate a rebound force generated by hammer striking on string, by striking on an elastic structure. In some embodiments, a rebound force for a first weight lever may be different from a rebound force for a second weight lever by adjusting parameters of the elastic structure or the weight lever.

Abstract: A sound effect parameter adjustment method, and a mobile terminal. The method comprises: obtaining a sound effect parameter of a mobile terminal and determining the sound effect parameter as an initial sound effect parameter; detecting, when playing an audio file by audio playback software, whether a playback sound effect parameter of the audio file is consistent with the initial sound effect parameter; if it is detected that the playback sound effect parameter of the audio file is not consistent with the initial sound effect parameter, determining whether the playback sound effect parameter of the audio file falls within a preset sound effect parameter interval; and if not, adjusting the sound effect parameter to be within the sound effect parameter interval.

Abstract: An electronic signal processor for processing signals includes a complex first filter, one or more gain stages and a second filter. The first filter is characterized by a frequency response curve that includes multiple corner frequencies, with some corner frequencies being user selectable. The first filter also has at least two user-preset gain levels which may be alternately selected by a switch. Lower frequency signals are processed by the first filter with at least 12 db/octave slope, and preferably with 18 db/octave slope to minimize intermodulation distortion products by subsequent amplification in the gain stages. A second filter provides further filtering and amplitude control. The signal processor is particularly suited for processing audio frequency signals.

Abstract: The present disclosure provides a method and apparatus for correcting a speech recognition error based on artificial intelligence, and a storage medium, wherein the method comprises: obtaining a second speech recognition result of a second speech query input by the user; performing error-correcting intention recognition according to the second speech recognition result; extracting error-correcting information from the second speech recognition result when it is determined that the user has an error-correcting intention; screening error-correcting resources according to the error-correcting information, and using a selected best-matched error-correcting resource to perform error correction for the first speech recognition result, the first speech recognition result being a speech recognition result of a first speech query which is input before the second speech query.

Abstract: Methods and a system are provided for estimating automatic speech recognition (ASR) accuracy. A method includes obtaining transcriptions of utterances in a conversation over two channels. The method further includes sorting the transcriptions along a time axis using a forced alignment. The method also includes training a language model with the sorted transcriptions. The method additionally includes performing ASR for utterances in a conversation between a first user and a second user. The second user is a target of ASR accuracy estimation. The method further includes determining whether an ASR result of the second user is consistent or inconsistent with an ASR result of the first user using the trained language model. The method also includes estimating the ASR result of the second user as poor responsive to the ASR result of the second user being as inconsistent with the ASR result of the first user.

Abstract: A system and method for segmenting an audio file. The method includes analyzing an audio file, wherein the analyzing includes identifying speech recognition features within the audio file; generating metadata based on the audio file, wherein the metadata includes transcription characteristics of the audio file; and determining a segmenting interval for the audio file based on the speech recognition features and the metadata.

Abstract: The present invention relates to an automatic multi-performance evaluation system for hybrid speech recognition and, more particularly, to an automatic multi-performance evaluation system for hybrid speech recognition capable of automatically evaluating a processing result of speech recognition and language understanding through a hybrid terminal and a processing result of server speech recognition and language understanding through a cloud server by simultaneously using the hybrid terminal and the cloud server, to thereby output an accurate and fast performance and function verification result.

Abstract: An apparatus comprising one or more processors, a communication circuit, and a memory for storing instructions, which when executed, performs a method of recognizing a user utterance. The method comprises: receiving first data associated with a user utterance, performing, a first determination to determine whether the user utterance includes the first data and a specified word, performing a second determination to determine whether the first data includes the specified word, transmitting the first data to an external server, receiving a text generated from the first data by the external server, performing a third determination to determine whether the received text matches the specified word, and determining whether to activate the voice-based input system based on the third determination.

Abstract: A system can be configured to perform tasks such as converting recorded speech to a sequence of phonemes that represent the speech, converting an input sequence of graphemes into a target sequence of phonemes, translating an input sequence of words in one language into a corresponding sequence of words in another language, or predicting a target sequence of words that follow an input sequence of words in a language (e.g., a language model). In a speech recognizer, the RNN system may be used to convert speech to a target sequence of phonemes in real-time so that a transcription of the speech can be generated and presented to a user, even before the user has completed uttering the entire speech input.

Abstract: In an approach for acoustic modeling with a language model, a computer isolates an audio stream. The computer identifies one or more language models based at least in part on the isolated audio stream. The computer selects a language model from the identified one or more language models. The computer creates a text based on the selected language model and the isolated audio stream. The computer creates an acoustic model based on the created text. The computer generates a confidence level associated with the created acoustic model. The computer selects a highest ranked language model based at least in part on the generated confidence level.

Abstract: A system and method for assessing transcription costs based on an audio file are provided. The method includes method for assessing an audio file for transcription includes accessing at least one audio file for transcription assessment; analyzing the at least one audio file to determine at least one transcription characteristic based on the at least one audio file; and calculating, based on the at least one determined transcription characteristic, an initial bid value for transcription of the audio file.

Abstract: A method and apparatus of recognizing a field of semantic parsing information, a device and a readable medium. The method includes: obtaining at least one preset keyword extracting pattern which is in a preset field and used to parse user-input speech data to generate semantic parsing information, each of the at least one preset keyword extracting pattern; obtaining subject weights of keywords according to importance degree identifiers of the keywords in the preset keyword extracting patterns; calculating a subject score of the speech parsing information according to the subject weights of the keywords; recognizing whether the speech parsing information belongs to the preset field according to the subject score of the speech parsing information. The method recognizes the field to which the speech parsing information belongs to ensure correctness of the recognized field, and thereby ensure correctness of operations performed by the App according to the semantic parsing information.

Abstract: Method and systems are provided for interpreting speech data. A method and system for recognizing speech involving a filter module to generate a set of processed audio data based on raw audio data; a translation module to provide a set of translation results for the raw audio data; and a decision module to select the text data that represents the raw audio data. A method for minimizing noise in audio signals received by a microphone array is also described. A method and system of automatic entry of data into one or more data fields involving receiving a processed audio data; and operating a processing module to: search in a trigger dictionary for a field identifier that corresponds to the trigger identifier; identify a data field associated with a data field identifier corresponding to the field identifier; and providing content data associated with the trigger identifier to the identified data field.

Abstract: In one aspect, a device includes at least one processor and storage accessible to the at least one processor. The storage bears instructions executable by the at least one processor to identify at least one context and, based on the at least one context, dynamically determine a response cue for a digital assistant. The instructions are also executable by the at least one processor to, responsive to receipt of the response cue, operate the digital assistant to perform a task according to the response cue.

Abstract: One embodiment of the invention sets forth a mechanism for selecting a voice recognition device included in a network of such devices for processing audio commands corresponding to a detected speech event. The voice recognition devices in the network individually determine which one of the devices is best suited to process the audio commands corresponding to the speech event. In operation, each of the voice recognition devices that detected the same speech event independently selects the same device for processing the audio command. Because each of the voice recognition devices, including the selected device, selects the same device for processing the audio command, the voice recognition devices not need to share information related to the selected device with one another.

Abstract: A computer-implemented method for analyzing content written on a board, on which a text and/or a drawing are made, is disclosed. The method includes obtaining content data including a series of images, which captures content being written on the board. The method also includes obtaining utterance data representing a series of utterances, which is associated with the series of the images. The method further includes extracting a section from the series of the utterances based on a change in topics and recognizing a content block for the section from the content data. The content block includes one or more content parts written during the section. The method includes further calculating evaluation value for the content block by using one or more utterances included in the section.

Abstract: A multimedia apparatus includes a wireless transmission device, an audio receiving device, a processing device and a projection device. The audio receiving device is for receiving a first voice data. The processing device is coupled with the audio receiving device and the wireless transmission device. The processing device is for outputting the first voice data via the wireless transmission device. The projection device is coupled with the processing device. When the processing device receives a first image data corresponding to the first voice data via the wireless transmission device, the processing device operates the projection device to project a first projection picture according to the first image data. A multimedia system including the multimedia apparatus is also disclosed.

Abstract: One embodiment provides a method, including: detecting, using at least one thermal sensor associated with an information handling device, thermal data, determining, using a processor, if the thermal data is associated with a human; and activating, based on determining that the thermal data is associated with a human, at least one audio input device associated with the information handling device. Other aspects are described and claimed.

Abstract: An integrated system and method for text-input, combining and syncing speech input together with manual input, to improve speech-recognition-based text input both in speed and accuracy, when punctuation and other symbols are needed and when speech-recognition results are to be combined with previously-existing text. Facilitates the strong points of speech-recognition technology, which are speed and comfort when inputting common words, while at the same time facilitates the strong points of manual key-typing, which are speed, comfort and accuracy when inputting punctuation marks, symbols, or pre-defined text with a single click. Increases speed, accuracy and comfort of speech-recognition text input by solving the problems of current voice-typing methods, and by further using the data from the manual input for improving speech recognition results.

Abstract: An information processing system includes one or more acquiring devices and an image forming apparatus. The acquiring devices acquire proceedings information indicating meeting content from a plurality of participants participating in a meeting. The image forming apparatus deletes unnecessary information that is unnecessary as transcript content from the proceedings information and generates transcript information indicating the transcript content. According to the information processing system, work of deleting the unnecessary information from the transcript decreases, and an amount of work for a worker can be mitigated.

Abstract: A speaker identification system (“system”) automatically assigns a speaker to voiced segments in a conversation, without requiring any previously recorded voice sample or any other action by the speaker. The system enables unsupervised learning of speakers' fingerprints and using such fingerprints for identifying a speaker in a recording of a conversation. The system identifies one or more speakers, e.g., representatives of an organization, who are in conversation with other speakers, e.g., customers of the organization. The system processes recordings of conversations between a representative and one or more customers to generate multiple voice segments having a human voice, identifies the voice segments that have the same or a similar feature, and determines the voice in the identified voice segments as the voice of the representative.

Abstract: A speaker identification system (“system”) automatically assigns a speaker to voiced segments in a call. The system identifies one or more speakers in a call using one or more speaker-identification parameters. The system processes the call to determine one or more speaker-identification parameters, such as a transcript of the call, a facial image of the speaker, a scene image, which is an image of a scene in which the speaker is located during the call, or textual data associated with the call such as names of the speaker or an organization that are retrieved from the scene images or video data of the call. The system analyzes one or more of the speaker-identification parameters and determines the identity of the speaker. The system then identifies the voice segments associated with the identified speaker and marks the voice segments with the identity of the speaker.

Abstract: An apparatus for encoding a multi-channel signal including at least two channels includes a time-spectral converter for converting sequences of blocks of sampling values of the at least two channels into a frequency domain representation having sequences of blocks of spectral values for the at least two channels; a multi-channel processor for applying a joint multi-channel processing to the sequences of blocks of spectral values to obtain at least one result sequence of blocks of spectral values including information related to the at least two channels; a spectral-time converter for converting the result sequence of blocks of spectral values into a time domain representation including an output sequence of blocks of sampling values; and a core encoder for encoding the output sequence of blocks of sampling values to obtain an encoded multi-channel signal.

Abstract: The invention provides a decoder being configured for processing an encoded audio bitstream, wherein the decoder includes: a bitstream decoder configured to derive a decoded audio signal from the bitstream, wherein the decoded audio signal includes at least one decoded frame; a noise estimation device configured to produce a noise estimation signal containing an estimation of the level and/or the spectral shape of a noise in the decoded audio signal; a comfort noise generating device configured to derive a comfort noise signal from the noise estimation signal; and a combiner configured to combine the decoded frame of the decoded audio signal and the comfort noise signal in order to obtain an audio output signal.

Abstract: A composite signal having frequencies within a sonic first frequency bandwidth may be received from a communication media on a receiver. The composite signal may include an audio base signal and at least one code signal. The code signal may be encoded with a code. The composite signal may be output on a speaker, the speaker converting the composite signal into sound. While outputting the composite signal, a signal processing device may detect the output sound corresponding to the code signal. The code may be determined from the detected output sound corresponding to the code signal. Data associated with the code may be retrieved from a data storage device that is internal to or remote from the signal processing device. The retrieved data, when displayed on a display device, may be selected by a user. The signal processing device may automatically send signal-processing-device-specific data to a remote server when the code is determined or when the user inputs an input using the displayed code-associated data.