131 results about "Multimedia interface" patented technology

A robotic emulation device includes a processor, memory and multimedia interfaces to capture a video signal from a target device, analyze it, and transmit manipulation control signals to the target device input by emulating a peripheral input device, wherein the manipulation control signals determine manipulation or selection of a target interface control associated with a first user interface encoded and transmitted in the video signal. Furthermore, the robotic emulation device may be connected via an embedded transceiver to at least one computer or computer tenant for relaying the captured video data for analysis, and based on the analysis, applying inferred manipulation semantics.

A robotic emulation device includes a processor, memory and multimedia interfaces to capture a video signal from a target device, analyze it, and transmit manipulation control signals to the target device input by emulating a peripheral input device, wherein the manipulation control signals determine manipulation or selection of a target interface control associated with a first user interface encoded and transmitted in the video signal. Furthermore, the robotic emulation device may be connected via an embedded transceiver to at least one computer or computer tenant for relaying the captured video data for analysis, and based on the analysis, applying inferred manipulation semantics.

A robotic emulation device includes a processor, memory and multimedia interfaces to capture a video signal from a target device, analyze it, and transmit manipulation control signals to the target device input by emulating a peripheral input device, wherein the manipulation control signals determine manipulation or selection of a target interface control associated with a first user interface encoded and transmitted in the video signal. Furthermore, the robotic emulation device may be connected via an embedded transceiver to at least one computer or computer tenant for relaying the captured video data for analysis, and based on the analysis, applying inferred manipulation semantics.

The invention provides a commodity multimedia recommendation method and system combined with RPA and AI.The method comprises the steps that firstly, a current interaction behavior flow of a user and a commodity multimedia interface is recorded in real time through an RPA interaction capture module, the current interaction behavior flow comprises an operation triggering time sequence and an attention staying track, then an intention evolution track is extracted based on a preset historical interaction mode library, and the intent evolution track is extracted; the method comprises the following steps of: generating a dynamic matching rule set according to an intention evolution track, including an association constraint condition and a priority ranking logic, inputting the dynamic matching rule set into a pre-trained AI recommendation model, performing rule matching screening on a candidate commodity multimedia content set, generating a screening result, and outputting the screening result to a user. And finally, a recommendation sequence is rendered in real time according to a screening result through an RPA display arrangement module, and the display size and the text typesetting style are adjusted, so that the individuation degree of commodity multimedia recommendation and the user experience are improved.

The invention provides a multi-mode intelligent semantic comprehension and abstract generation system and method based on an HDMI stream, and the system comprises an HDMI input module which is used for receiving a video signal outputted by external equipment; the image content streaming analysis module is configured to perform content segmentation, optical character recognition, layout structure extraction and graphic element detection on the video signals and output structured image data; the audio acquisition module is used for acquiring an audio signal and preprocessing the audio signal; the voice recognition module is used for transferring the preprocessed audio signal into a voice text; and the multi-modal fusion and semantic understanding module is configured to fuse the structured image data and the voice text, generate summary information and output the summary information to the result output module. According to the invention, real-time synchronous analysis of the multi-modal content and intelligent generation of the abstract are realized.

The utility model provides a station CCTV system multi-picture processor detection device, and belongs to the technical field of equipment detection. The station CCTV system multi-picture processor detection device comprises a multipath serial digital interface SDI signal generation circuit, a high-definition multimedia interface HDMI signal generation circuit and a display module. The input end of the multipath SDI signal generation circuit is connected with a signal source; the output end of the multi-path SDI signal generation circuit is connected with the input end of the multi-picture processor; the input end of the HDMI signal generation circuit is connected with the output end of the multi-picture processor; the output end of the HDMI signal generation circuit is connected with the display module; the display module is used for displaying pictures. The station CCTV system multi-picture processor detection device provided by the utility model is not limited by test time, and can carry out function detection on the CCTV system multi-picture processor without setting up an independent test device, thereby reducing the detection cost.

The invention discloses an optical fiber main and standby non-inductive switching protection method based on an FPGA. The method comprises the following steps that S1, a fault detection module is installed; s2, setting a buffer area; s3, emergency switching: after the fault detection module triggers a switching mechanism triggering condition, starting a switching mechanism, immediately adjusting output by the FPGA control unit, and switching to a standby channel to continue to receive the video data; s4, synchronization and recovery: after the switching is completed, the FPGA control unit keeps the synchronization and integrity of the video data through the technical means of timestamps and frame counting; and S5, data decoding and displaying: decoding the received data, and displaying the decoded data on a front-end display screen through an HDMI (High Definition Multimedia Interface). According to the application, the fault detection module and the FPGA control unit are arranged, so that the state of the data transmission channel is detected at any time, and after the switching condition is triggered, the transmission channel can be replaced in real time, and the problems of black screen, splash screen and the like are avoided.

The invention provides an interface data two-way transmission verification method for an HDMI (High Definition Multimedia Interface), which comprises the following steps: firstly, acquiring a two-way transmission data set of target equipment, including data packet sequences captured from two transmission paths which are opposite to each other, then, carrying out time feature alignment processing on the two data packet sequences to generate a two-way transmission time feature set, and then, carrying out verification on the two-way transmission time feature set; performing path consistency analysis on the bidirectional transmission time feature set based on a preset transmission path verification rule to generate a path verification parameter set, the path verification parameter set comprising key parameters such as path time sequence matching degree, data integrity index, transmission interruption frequency and the like; and according to a comparison result of the path verification parameter set and a preset transmission compliance threshold, generating a dynamic adjustment signal, and mapping the dynamic adjustment signal to a transmission configuration module of the target device to activate a transmission parameter updating operation. And finally, after the transmission parameters are updated, secondary verification operation is triggered, a final verification result set is generated, and improvement of transmission performance and stability is ensured.

The invention provides a multimedia interface signal monitoring system, a multimedia interface signal monitoring method, a medium, a product and a terminal, through a three-level pipeline capture architecture composed of a shaping-level sampling module, a cache-level module and a storage-level module and a dynamic trigger-storage collaborative design, 'afterward capture 'is changed into online real-time capture, the problem positioning time is shortened, the debugging efficiency is improved, and the debugging efficiency is improved. Dynamic signal comparison is realized, and error tracing efficiency is improved; and through intelligent triggering and register configuration, the debugging requirements of different scenes are met.

The invention discloses computer peripheral interface management and control equipment based on fingerprint identification. The computer peripheral interface management and control equipment comprises an FPGA main controller, a fingerprint identification module, a user interaction module, a peripheral interface output module, a host interface input module and a power management module, in the working process, the fingerprint identification module compares user fingerprint information, confirms the identity and notifies the FPGA main controller, a USB input interface and an HDMI input interface of the host interface input module are connected with a USB output interface, an HDMI output interface and a VGA output interface of the peripheral interface output module, and a user is notified through a state indicator lamp of the user interaction module; and when the user leaves, a locking key of the user interaction module is clicked, and after receiving a locking key signal, the FPGA main controller cuts off USB (Universal Serial Bus) and HDMI (High-Definition Multimedia Interface) input interfaces of the host interface input module and USB, HDMI and VGA (Video Graphics Array) output interfaces of the peripheral interface output module, and notifies the user through a state indicator lamp of the user interaction module. External connection of the computer peripheral interface can be cut off through one key, and attack of a hardware layer can be defended.

The sink device according to an embodiment of the present disclosure comprises a memory configured to store a mapping table, an external device interface configured to receive a video signal from a source device through HDMI (High-Definition Multimedia Interface) standard and a controller configured to obtain a horizontal total value, a vertical total value, and an output frequency based on the video signal, obtain a pixel clock frequency mapped to the horizontal total value, the vertical total value, and the output frequency from the mapping table, and output the video signal based on the obtained pixel clock frequency.

The invention relates to the technical field of HDMI (High Definition Multimedia Interface) transmission, and provides an HDMI one-way transmission security enhancement method and device, and the method comprises the steps: determining the version, interface type and pin serial number and definition of an HDMI used in an application scene, and identifying whether an HDMI transmission channel is a one-way channel or a two-way channel; for a bidirectional channel which is not needed in an application scene, one-way transmission security enhancement is realized by adopting a physical cutting mode; for a bidirectional channel required by an application scene, one-way transmission security enhancement is realized by adopting a physical cutting-off and receiving end simulation substitution mode; for a one-way channel, a signal amplifier is adopted to realize one-way transmission security enhancement. According to the invention, unidirectional transmission security enhancement can be carried out on the HDMI native interface, so that the HDMI native interface has a pure unidirectional transmission characteristic, security risks such as sensitive data leakage of a receiving end are blocked, and the unidirectional transmission security of the HDMI is improved. Moreover, the system is improved based on a native interface, and has the advantages of low power consumption, small size, low cost and the like.

The present disclosure provides a multimedia interface generation method, device, equipment and medium, which realizes one-key generation of a multimedia interface based on a multimedia list screenshot. The method comprises: obtaining a multimedia list screenshot and performing multimedia information identification to obtain related information of a multimedia in the multimedia list screenshot; determining similar multimedia interfaces of the multimedia list screenshot from a multimedia database according to the obtained related information of the multimedia, and obtaining cover information and multimedia description information of each similar multimedia interface; and generating a target multimedia interface according to the cover information and the multimedia description information of the similar multimedia interfaces.

The utility model relates to an HDMI (High Definition Multimedia Interface) connecting line which comprises a first jack, the first jack is sequentially provided with a first jack seat, a plugging hole and a second jack seat from bottom to top, the first jack seat is provided with a lower plugging sheet, the lower plugging sheet is provided with a lower elastic sheet, the second jack seat is provided with an upper plugging sheet, the upper plugging sheet is provided with an upper elastic sheet, and the upper elastic sheet and the lower elastic sheet are respectively arranged on the inner wall of the plugging hole. The second jack is provided with a socket hole, the socket hole is electrically connected with the upper insertion piece and the lower insertion piece through an electric wire, and a guide block is connected between the first jack and the electric wire in a pressing mode. The HDMI connecting line has the advantages of preventing scratches, improving connection strength, facilitating automatic assembly and the like.

The present disclosure relates to the technical field of multimedia post-processing, and in particular to an image processing method and a display device, which are used for alleviating the problems of the current operation process of displaying a video picture in a split manner by means of a plurality of displays being complex and the interaction experience of a user being poor. The method comprises: when setting information sent by a split-screen casting application has been received, switching a video channel to a target channel, wherein the setting information comprises a set of coordinates, which correspond to a split image actually displayed on a display device, in a frame image, the split image is a part of the frame image, and the target channel comprises any one of a multimedia channel, an analog signal channel and a high-definition multimedia interface channel; when start information sent by the split-screen casting application and used for instructing the start of special effect processing has been received, capturing the frame image from the target channel; performing special effect processing on the frame image, so as to obtain the split image, which corresponds to the set of coordinates, in the frame image; and rendering the split image, and displaying rendered split image.

This invention provides a product multimedia recommendation method and system combining RPA and AI. First, an RPA interaction capture module records the current interaction flow between the user and the product multimedia interface in real time, including the timing of operation triggers and attention trajectories. Next, based on a pre-set historical interaction pattern library, the intent evolution trajectory is extracted, covering the dynamic shift characteristics and intensity trends of user interests and preferences. A dynamic matching rule set is generated based on the intent evolution trajectory, including association constraints and priority ranking logic. This dynamic matching rule set is input into a pre-trained AI recommendation model to perform rule matching and filtering on a set of candidate product multimedia content, generating filtering results. Finally, an RPA display and arrangement module renders the recommendation sequence in real time based on the filtering results, adjusting the display size and text layout style, thereby improving the personalization of product multimedia recommendations and the user experience.

The utility model discloses an HDM I cable joint easy to radiate heat, comprising a plug main body, the plug main body comprises a connecting plug and an internal mold sleeved outside the connecting plug and used for radiating the working heat of the connecting plug, the internal mold is sleeved with an external housing, the connecting plug comprises a terminal support and a connecting terminal arranged at one side of the terminal support, and the connecting terminal is connected with the terminal support. A pin is formed on the tail portion of the connecting terminal, contact baffles are arranged on the two sides of the terminal support, the contact baffles are located between the inner mold and the terminal support, and the contact baffles cover the connecting terminal and the pin area and are tightly attached to the inner wall of the inner mold. According to the utility model, the problems that the HDM I joint in the prior art is short in service life due to lack of an effective heat dissipation structure and easy to damage are solved.

The utility model provides an integrated HDMI (High Definition Multimedia Interface) loop-out circuit which is characterized by comprising an HDMI IN interface, an HDMI distributor chip, a loop-out HDMI OUT interface and a CPU (Central Processing Unit), the HDMI IN interface is connected with the HDMI distributor chip, and the HDMI distributor chip is connected with the loop-out HDMI OUT interface and the CPU. The video signal processing efficiency and real-time performance are significantly improved, the output of converting one HDMI IN signal into two HDMI OUT signals can be completed at the same time, one output is sent to a CPU for video acquisition, and the other output is sent to a display for monitoring.

The utility model relates to the technical field of data connecting lines, in particular to a high-strength fracture-resistant HDMI (High-Definition Multimedia Interface) high-definition data connecting line. The utility model relates to an HDMI (High Definition Multimedia Interface) high-definition data connecting line, which mainly aims at solving the problems that in the use process of a common HDMI high-definition data connecting line, the connecting part of a wire harness and a connecting plug is often influenced by a connecting environment, so that the connecting line needs to be bent and inserted, and is easy to break and break under long-time deformation and bending, the practicability is reduced, and the subsequent use is influenced. According to the technical scheme, the device comprises a first protective rubber sleeve, the end of the first protective rubber sleeve is connected with a turnover assembly, the turnover assembly comprises a second protective rubber sleeve, a second copper wire is arranged in the second protective rubber sleeve, and one end of the second copper wire is connected with a first contact copper sheet. According to the utility model, the rotatable adjustment is realized, the damage to the joint of the first protective rubber sleeve and the connecting plug caused by wire twisting and bending in the use process is reduced, and the durability and the practicability are improved.

The utility model belongs to the technical field of AI edge computing, and particularly relates to a high-performance AI box, which comprises a casing, an HDMI (High Definition Multimedia Interface) data input interface, an HDMI data output interface and a power supply interface are arranged on the surface of the casing, and a circuit board is arranged in the casing. The circuit board is provided with a central processor, a data storage module, an HDMI data decoding module, a data transmission module, an FPGA module and a power supply module, and the box is based on an RK3588 processor, is strong in operational capability, supports the efficient operation of a complex AI algorithm, is better in speed and precision of processing algorithms such as face detection, and accords with a high-real-time scene. The communication interface of the high-performance AI box integrates network peripherals such as a gigabit Ethernet, a Wi-Fi module and a 4G module and CAN, RS485 and UART local interfaces, the network adaptability is high, industrial equipment connection is facilitated, and the application range is widened. In the aspect of interaction, the HDMI OUT, the HDMI IN and the audio interface provide multi-element man-machine interaction, video display and audio playing can be realized by accessing the display and audio equipment, and the system is suitable for scenes such as security monitoring and the like.

The utility model discloses a V-By-One and LVDS (Low Voltage Differential Signaling) signal-to-HDMI (High Definition Multimedia Interface) signal system, which is characterized by comprising an input signal receiving module, a signal processing and converting module, an HDMI signal converting module, an HDMI signal output module, a dial switch and a main control module, the corresponding end of the main control module is electrically connected with the corresponding ends of the signal processing and conversion module, the HDMI signal conversion module and the dial switch respectively; the corresponding end of the input signal receiving module is electrically connected with the corresponding end of the signal processing and conversion module and the corresponding end of the HDMI signal conversion module. The HDMI signal conversion module is also electrically connected with the corresponding end of the HDMI signal output module; the input signal receiving module is used for receiving a V-By-One signal and an LVDS (Low Voltage Differential Signaling) signal; and the signal processing and conversion module is used for converting the signal input by the input signal interface into a unified LVDS (Low Voltage Differential Signaling) signal.

The utility model relates to the technical field of remote transmission equipment, in particular to a multifunctional HDMI (High Definition Multimedia Interface) remote transmission device, which comprises a mounting base, a hinge, an inclination angle limiting mechanism and an inclination angle adjusting mechanism, a transmission main body for transmitting data is arranged on the mounting base; the number of the hinges is two, one ends of the two hinges are connected with the mounting base, and the other ends of the hinges are connected with the transmission main body; one end of the inclination angle limiting mechanism is connected with the mounting base; the inclination angle limiting mechanism is connected with the conveying main body; one end of the inclination angle adjusting mechanism is connected with the conveying body. Through cooperative arrangement of the inclination angle limiting mechanism and the inclination angle adjusting mechanism, the angle of the conveying body can be adjusted by pressing the adjusting plate and rotating the conveying body at the same time, and the inclination angle of the conveying body can be rapidly fixed by loosening the adjusting plate, so that the flexibility of the device can be effectively improved; the adjusting mode is simple and convenient, the adjusting time is saved, and the working efficiency is improved.

An electronic device according to an embodiment of the present disclosure may comprise: an input interface that receives a key input signal from a remote control; a wired communication interface that communicates with a display device through the high-definition multimedia interface (HDMI) standard; and a processor that determines an HDMI operation mode of the electronic device on the basis of an HDMI signal received from the display device, receives the key input signal from the remote control when the HDMI operation mode is determined to be a reception mode, and ignores the received key input signal if a key input corresponding to the received key input signal is not a preset key input.

The utility model relates to the field of optical fiber cables, in particular to an anti-broken contact HDMI (High Definition Multimedia Interface) optical fiber cable, which comprises a connector lug, a protection limiting assembly and an auxiliary assembly, the outer end of the connector lug is provided with a limiting assembly used for guiding straight transmission of a wire body, one end of the connector lug is provided with an auxiliary assembly used for assisting insertion, and the protection limiting assembly comprises a cable, a positioning block, a plug pin, a limiting plate, a filling plate, a ring sleeve and a pressing ring. The outer wall of the cable is provided with a plurality of groups of positioning blocks for guiding and fixing the optical fiber cable, and the lower ends of the positioning blocks are provided with limiting plates; according to the utility model, a plurality of groups of positioning blocks are adopted to linearly position the cable, so that the bending degree of the optical fiber cable is effectively limited, the cable can be ensured not to exceed the maximum bending radius when being bent when the cable moves frequently or is subjected to external force, and the stress concentration and fracture risk caused by excessive bending in the optical fiber can be avoided.

The invention provides LED display equipment and a display control method, and the equipment comprises a first input interface and a second input interface which are used for receiving video data from an upper computer or a pre-stage sub-display screen; the first output interface and the second output interface are used for transmitting video data to the rear-stage sub display screen; the micro-control unit is used for acquiring coordinate information and on-load information of the current sub-display screen; and the control chip is used for segmenting and intercepting the video data according to the configuration signal so as to obtain video block data matched with the coordinate information of the current sub-display screen. The sub-display screens are in cascade connection through the high-definition multimedia interface, automatic identification and transmission of position information among the sub-display screens are achieved through the UART communication function, multi-direction automatic screen connection can be achieved, and the purposes that the number of nodes of a routing path is small, and the backup path is high in reliability are achieved.

The invention relates to the technical field of file transmission, and discloses a file transmission system and method based on a high-definition multimedia interface, and the system comprises a transmitting end and a receiving end, the transmitting end is used for converting a first binary coding file of a to-be-transmitted file into a first video frame sequence, and transmitting the first video frame sequence through the high-definition multimedia interface; one data frame in the first video frame sequence corresponds to a plurality of bit data in the first binary coding file, and the RGB value of each pixel point in the data frame is determined according to the bit data corresponding to the data frame; and the receiving end is used for obtaining the second video frame sequence through the high-definition multimedia interface, correcting the RGB value of each pixel in the second video frame sequence to obtain a third video frame sequence, obtaining a corresponding second binary coding file according to the RGB value of each pixel in the third video frame sequence, and converting the second binary coding file into a receiving file. According to the invention, high-speed and reliable file transmission of the high-definition multimedia interface is realized.

The invention discloses an HDMI video light synchronization method and device fusing black edge detection and HDR knee point compression, and relates to the technical field of video signal processing and intelligent lighting control. According to the method, black edges and subtitles in a video picture are detected, a mask is generated, and a color selection range is limited, so that samples are concentrated on a main picture; knee point compression parameters are determined in a self-adaptive mode, and the brightness level is kept; colors and brightness are counted according to position weights and distributed to all lamps, a unified frame reference is established, and time sequence calibration is completed; meanwhile, a selectable film watching friendly and stable mechanism is provided, and when the captions or the edges change obviously, color selection is converged, and the change of a near-caption lamp is restrained. The method has the technical effects that a color picking result focuses on a main body, subtitles and black edges do not cause color cast any more, lens switching transition is smooth, and group control switching is consistent; the system can be switched between impression priority and time delay priority according to needs, and the real-time synchronization effect without disturbing watching is achieved.

The present disclosure provides a display device. The display device may: detect a high-definition multimedia interface (HDMI) connection device by using a wireless communication circuit, wherein the HDMI connection device is connected to an external source device; based on receiving a first infrared (IR) signal from the HDMI connection device through an IR signal transceiver within a predetermined waiting time, determine a first distance to the HDMI connection device on the basis of a time difference between a first time point corresponding to a wireless connection to the external source device and a second time point corresponding to the reception of the first IR signal; and based on the first distance being included within a predetermined IR signal arrival range, configure the IR signal transceiver as an IR signal output device for the external source device.

Systems, devices, articles of manufacture, and methods for external display power loss detection and sleep state recovery are disclosed. Example devices disclosed herein include first circuitry for setting an output of the first circuitry to a first logic value upon a determination that a computing device is configured to enter a sleep state and for setting the output to a second logic value upon a determination that the computing device is configured to exit the sleep state.Disclosed exemplary devices also include second circuitry for switching control of a hot plug detect (HPD) input of high definition multimedia interface (HDMI) circuitry between an output of power loss detection circuitry and an HPD line of an HDMI port of the HDMI circuitry based on the output of the first circuitry.