Abstract: A voice module of a television collects environmental volume Vr of an environment where a user is located; first current volume Vc of the television is obtained and compared with the environmental volume Vr, so as to determine whether the television volume needs to be adjusted; a desired volume value of the television requiring volume adjustment is calculated by means of a volume curve dynamic adjustment algorithm, and the television automatically adjusts its volume to the desired volume value.

Abstract: Disclosed are a signal transmission device and a smart TV including a wireless signal module. The signal transmission device includes: a main antenna having a first signal input port, the first signal input port being connected with the wireless signal module; a transmission antenna adjacent to and spaced from the main antenna, the transmission antenna having a signal output port; and a dead-zone compensating antenna having a second signal input port. The second signal input port is connected with the signal output port through a signal transmission line, and the main antenna receives signals input by the wireless signal module and transmits the signals, the transmission antenna receives a part of the signals and transmits the part of the signals to a dead-zone compensating antenna through the signal transmission line; the dead-zone compensating antenna transmits the received signals and compensates a signal dead zone of the main antenna.

Abstract: Disclosed in the present application is a display device, comprising a display body and an electromagnetic vibration apparatus; the display body comprises a housing, a display screen mounted at a front end of the housing, and an optical module mounted within the housing, the housing comprising a back plate; the electromagnetic vibration apparatus is mounted on the back plate and emits sound by means of vibrating the back plate, the optical module, and the display screen.

Abstract: A color space mapping method includes: confirming data volume of original data, and determining a data extraction ratio according to the data volume; determining a preset order of extracting the original data according to the data extraction ratio; extracting the original data in the preset order, calculating feature data according to the extracted original data, and calculating a feature coefficient according to the original data and the feature data; generating a 3D pixel gray scale table according to the feature coefficient and the feature data; transmitting the 3D pixel gray scale table to a color processing area, to allow a target TV terminal to read a stored data content of the 3D pixel gray scale table for image color mapping; and performing the image color mapping through the 3D pixel scale table. A non-transitory computer readable storage medium and a color space mapping device are further provided.

Abstract: The present disclosure provides a method and a system for enhancing an image, and a computer readable storage medium. The method includes: obtaining coding information, histogram distribution information, and a signal characteristic parameter of a display content of the image after detecting a frame signal of the display content (S1); querying a preset first Look-Up-Table (LUT) according to the coding information of the display content to obtain a corresponding control parameter (S2); processing the histogram distribution information according to the control parameter and the signal characteristic parameter to obtain a processed histogram distribution information (S3); obtaining an average product length (APL) control value according to the processed histogram distribution information (S4); and enhancing the image according to the APL control value (S5). Compared with the related arts, the present disclosure improves the image display effect and the user experience without increasing the hardware cost.

Abstract: A method for enhancing a far-field speech recognition rate, a system and a storage medium are provided. The method includes scanning in the front of a smart TV so as to obtain position, movement and feature information of an object directly in the front of the smart TV; locating a sound source which sends out a trigger phase and using the obtained feature information for determining whether the sound source is a human; if yes, using a MIC array for forming a narrow sound-pickup beam pointing at the sound source and performing sound pickup; performing an angle adjustment on the sound-pickup beam in real-time so as to track the sound source. It is possible to preform precise positioning and distinguish a target sound source from interfering sources, and it is possible to track the target sound source, thereby enhancing a far-field speech recognition rate.

Abstract: Backlight module, light guide plate, and preparation method for conductive hydrogel thereof. Main body of light guide plate is optical-glass material. Cavity is provided in light guide plate, filled with conductive hydrogel. Either end of light guide plate is provided with electrode electrically connected to conductive hydrogel in cavity. When not electrified, conductive hydrogel is in liquid state, when electrified, conductive hydrogel in cavity changes to gel state. Microcrystal particles are added to conductive hydrogel to improve light refection function and light diffuse reflection function of light guide plate and backlight module, to allow more light rays to penetrate through light guide plate to improve luminous efficacy. Addition of quantum dots or fluorescent powder to conductive hydrogel can further increase color gamut of backlight, such that liquid crystal display device has better effect.

Abstract: A method, system and storage medium for solving echo cancellation failure; method comprises: starting echo cancellation algorithm for convergence of self-adapting filter to stabilize coefficient of filter function (S100); presetting maximum amplitude value for signal intensity that microphone can receive, and detecting if microphone signal lower than maximum amplitude value (S200); prompting user or television system automatically to turn down television volume when microphone received signal larger than or equal to maximum amplitude value, to ensure microphone received signal intensity lower than maximum amplitude value (S300); echo cancellation being carried out without distortion of signals, wherein coefficient of self-adapting filter function W(n) may be continually kept stable, avoiding self-adapting filter converging multiple times due to signal distortion (S400).

Abstract: Disclosed are a backlight module and a display device. The backlight module comprises: a back plate, comprising a bottom plate (10), side plates (12), and bent parts (13), and the bottom plate, the side plates, and the bent parts form an mounting space (14) in an enclosing manner; a reflective sheet (20) arranged on the bottom plate; a light guide plate (30) arranged on a side, facing away from the bottom plate (11), side of the reflective sheet (20); a film (40) arranged on a side, facing away from the reflective sheet (20), of the light guide plate (30).

Abstract: Disclosed is a color gamut matching method. The method includes: obtaining image data to be matched of a source terminal; establishing a preliminary matching relationship between the image data to be matched and image data to be output of a display terminal according to color gamut data coordinates of the source terminal and color gamut data coordinates of the display terminal; obtaining preliminary image data to be output of the display terminal according to the preliminary matching relationship; and accurately matching the preliminary image data to be output of the display terminal according to a 3D look-up table to obtain accurate image data to be displayed of the display terminal. Further disclosed are a color gamut matching device, a display terminal and a readable storage medium. The present disclosure can solve the color distortion of the display color gamut and improve the display effect of the display.

Abstract: The present disclosure provides a method for adjusting sound quality, a system for adjusting sound quality, and a host terminal. The method includes: acquiring a coding rate range of a wireless audio device, in response to a host terminal establishing a wireless communication connection with the wireless audio device; presetting a first coding rate of the host terminal according to the coding rate range and a current signal strength of the wireless communication connection, and controlling the host terminal to transmit audio data to the wireless audio device at the first coding rate; acquiring a throughput during the transmission of the audio data fed back by the wireless audio device, and determining whether the throughput matches a current wireless transmission quality; and adjusting the first coding rate according to a determination result, to adjust the sound quality of the audio data.

Abstract: Disclosed are an image display method, a device, a smart TV, and a readable storage medium. The image display method includes: acquiring an original image signal of a current frame image; extracting evenly spaced rows of data from the original image signal of the current frame image to form a pre-processed image signal; acquiring each row of data in the pre-processed image signal, scanning the each row of data, synchronously acquiring at least two rows of scan images corresponding to the each row of data to form a display image of the current frame image; and acquiring a frame frequency of the original image signal and a vertical synchronization signal of the display image, controlling a period of a backlight pulse signal according to the frame frequency, controlling a duty cycle of the backlight pulse signal according to a period of the vertical synchronization signal, and displaying the display image.

Abstract: The present application relates to a self-adaptive software background update method and device. The method includes: monitoring a TCP download request in a system, after the system starts up; filtering a download request of a network video and a download request of a system update software from the TCP download request, when the download request of the network video and the download request of the system update software exist simultaneously in the TCP download request; downloading and playing the network video under a TCP link according to the download request of the network video, and obtaining a data cache amount of the network video; starting up downloading the system update software according to the download request of the system update software; controlling a download rate of system update.

Abstract: Disclosed are a photographing method by a smart television and system thereof. The method includes acquiring a picture of an environment captured by a camera of the smart television, when the smart television is photographing; determining a brightness value of current environment of the smart television, based on the picture of the environment; when the brightness value of the environment is less than a preset value, gradually increasing screen brightness of the smart television and showing a preview image of the picture at different screen brightness; and after a required screen brightness is selected by the user according to the preview image of the picture, adjusting the screen brightness to the required screen brightness selected by the user, for the user to be photographed.

Abstract: The present disclosure provides a method for adjusting display image contrast, which includes the following operations: in response to receiving an image signal, acquiring an image to be displayed and metadata according to the image signal, and calculating a signal amplitude corresponding to each pixel of the image to be displayed; generating a histogram showing a distribution of the signal amplitude according to each of the signal amplitudes, and acquiring display information and a backlight adjustment parameter of the image to be displayed according to the histogram; generating a signal adjustment function according to the display information, the backlight adjustment parameter, and the metadata, and adjusting the signal amplitude of each of the pixels according to the signal adjustment function to adjust a contrast of the image to be displayed. The present disclosure further provides a display and a readable storage medium. The cost of improving the display image contrast of the present application is low.

Abstract: The present disclosure discloses a method for adjusting picture quality of displayer, comprising: adjusting a core of a to-be-adjusted-displayer to make Gamma-value of the to-be-adjusted-displayer reach a target value under a preset gray scale, and taking the current Gamma-value of the core as ?n under the preset value; computing the value of ?n? corresponding to the to-be-adjusted-displayer by a preset algorithm based on the ?n, the values of ?0 and ?0? corresponding to a standard-PQ-displayer, which are under one same gray scale; and adjusting picture quality of the to-be-adjusted-displayer according to the ?n?. The present disclosure also discloses a device for adjusting picture quality of displayer.

Abstract: Disclosed is a method for converting an HDR image into an SDR image. The method includes the following operations: acquiring, by a television terminal, input HDR image data, and processing, by the television terminal, the acquired HDR image data through a first normalization; linearizing, by the television terminal, the HDR image data processed through the first normalization; processing, by the television terminal, the linearized HDR image data through a second normalization; and converting, by the television terminal, the HDR image data processed through the second normalization into SDR image data with a supported format. The present disclosure further provides a television terminal and a computer readable storage medium. The present disclosure effectively avoids the technical problem of a poor image display effect caused by that the non-HDR receivers cannot show the HDR effect. The present disclosure enables non-HDR receivers to show the HDR effect and improves the image display effect.

Abstract: Provided is a hybridized perovskite quantum dot material. The quantum dot material includes a kernel and surface ligands. The kernel is formed by R1NH3AB3 or (R2NH3)2AB4, where R1 is methyl group, R2 is an organic molecular group, A is at least one selected from Ge, Sn, Pb, Sb, Bi, Cu and Mn, B is at least one selected from Cl, Br and I, A and B form a coordination octahedral structure, and R1NH3 or R2NH3 is filled in gaps of the coordination octahedral structure. The surface ligand is an organic acid or organic amine. The quantum dot material has a high fluorescence quantum yield.

Abstract: The present application relates to a self-adaptive software background update method and device. The method includes: monitoring a TCP download request in a system, after the system starts up; filtering a download request of a network video and a download request of a system update software from the TCP download request, when the download request of the network video and the download request of the system update software exist simultaneously in the TCP download request; downloading and playing the network video under a TCP link according to the download request of the network video, and obtaining a data cache amount of the network video; starting up downloading the system update software according to the download request of the system update software; controlling a download rate of system update.

Abstract: Provided is a hybridized perovskite quantum dot material. The quantum dot material comprises a kernel and surface ligands. The kernel is formed by R1NH3AB3 or (R2NH3)2AB4, where R1 is methyl group, R2 is an organic molecular group, A is at least one selected from Ge, Sn, Pb, Sb, Bi, Cu and Mn, B is at least one selected from Cl, Br and I, A and B form a coordination octahedral structure, and R1NH3 or R2NH3 is filled in gaps of the coordination octahedral structure. The surface ligand is an organic acid or organic amine. The quantum dot material has a high fluorescence quantum yield.