227 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.

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 discloses a system and a method for encrypting high-speed audio and video data based on an FPGA (Field Programmable Gate Array). The system mainly comprises an optical module interface, an FPGA module, a DDR4 (Double Data Rate 4), a FLASH and an HDMI (High Definition Multimedia Interface) TX interface. Wherein the FPGA module internally comprises a self-designed custom protocol processing module, a cache control module, a key management module and a data encryption module; the optical module interface is used for receiving audio and video data in a user-defined format; the user-defined protocol processing module analyzes effective audio and video data according to a user-defined message format, and the data is cached in a DDR4 (Double Data Rate 4) by a cache module; the key management module generates a key used for data encryption through an SM2 algorithm; the data encryption module realizes hardware encryption through the SM4 algorithm module; and the HDMI output interface module converts the encrypted audio and video data into an HDMI format and outputs the converted audio and video data at an HDMI TX interface. According to the high-speed data encryption method based on FPGA hardware logic, an optical module interface and an HDMI interface are combined, and an efficient and safe audio and video data encryption solution is provided.

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 invention discloses a set top box, a cable television system, a data transmission method and a storage medium, and relates to the technical field of data transmission. The set top box comprises a universal multimedia interface circuit and a processor, the multimedia interface circuit comprises a universal multimedia interface chip and a peripheral circuit; the universal multimedia interface circuit is connected with the processor; the universal multimedia interface chip is connected with a universal multimedia interface chip of a television; the universal multimedia interface chip is used for decomposing a signal sent by the universal multimedia interface chip of the television and forwarding the decomposed signal to the processor; the signals comprise remote control signals and network data; the universal multimedia interface chip is used for acquiring the voltage transmitted by the television; the processor is used for data processing. The requirement of ultrahigh-definition video transmission for high bandwidth can be effectively met, the number of interfaces can be reduced, the cost can be reduced, and light weight of equipment can be 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 provides an OLED (Organic Light Emitting Diode) driving display device, which relates to the technical field of display equipment and comprises an RK3588 processor used for receiving an input signal and processing the input signal to generate an HDMI (High Definition Multimedia Interface) signal; the RTD2735TD signal converter is in communication connection with the RK3588 processor and is used for receiving the HDMI signal output by the processor and converting the HDMI signal into 16 paths of Vbyone signals; and the transparent OLED screen is in communication connection with the RTD2735TD signal converter, and the transparent OLED screen serves as a display unit and is used for receiving 16 paths of Vbyone signals output by the RTD2735TD signal converter and then displaying the 16 paths of Vbyone signals. According to the invention, high-resolution, high-transparency, high-flexibility and high-efficiency driving display is realized, and the defects of high resolution, high transparency and high flexibility of the existing display technology are overcome.

The invention discloses a television and set top box integrated control method, device and equipment and a medium, and relates to the technical field of audio-visual equipment control. The method is applied to a television and comprises the following steps: receiving a control signal sent by a remote controller, and determining a control target corresponding to the control signal; if the control signal is used for controlling the television, determining a first control instruction according to the control signal, and executing the first control instruction; and if the control signal is used for controlling the set top box, performing data conversion on the control signal to generate a second control instruction, and sending the second control instruction to the set top box through a universal multimedia interface, so that the set top box executes the second control instruction. According to the technical scheme, the television and the set top box can be jointly controlled through the single remote controller.

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 utility model discloses a high-definition multimedia interface (HDMI) connector capable of reducing noise, which comprises a plastic terminal assembly, and the plastic terminal assembly comprises a plastic body and a plurality of signal pins embedded and formed in the plastic body. The connector comprises a plastic terminal assembly and a metal shell, the metal shell wraps the periphery of the plastic terminal assembly, an insertion cavity for a male head to be inserted is formed in the plastic terminal assembly and the metal shell, a plurality of elastic sheet structures are arranged on the upper wall and the lower wall of the metal shell, and contact protruding points extending into the insertion cavity are arranged at the front ends of the elastic sheet structures. And the shielding plate is vertically installed at one end of the metal shell, and the shielding plate is provided with an avoiding opening which is used for the insertion of a male head and is correspondingly communicated with the insertion cavity. According to the utility model, the signal interference can be effectively suppressed, the structure is simple, the assembly is flexible, the device can adapt to different application scenes, and the universality is high.

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.

1. The name of this design product: anti-drop interface. 2. Purpose of this design product: multimedia interface for electronic equipment. 3. The design key point of this appearance design product lies in the shape. 4. The picture or photo that best illustrates the design points: three-dimensional picture.

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 invention relates to a steering wheel assembly with an inner diameter concentric circle fixed instrument panel and a Mobius annular rim, and provides a brand new designed steering wheel mechanism. The Mobius ring topological structure rim is attractive and novel in appearance. The surrounding fluctuation of the circumference of the rim is attached to the palm, and the rotating torque of holding of the two hands acts on the rim in a balanced mode and forms direct thrust. According to the assembly, a concentric circular instrument panel carrier fixed to a steering column shell is installed in the circular area of the inner diameter of a steering wheel rim in a nested mode; the pointer mechanical instrument, the LCD / DLP high-definition electronic display screen, the safety airbag module and the shortcut key are arranged on the instrument panel in an integrated manner, so that the functions are complementary, and the gradation is clear and simple. A driver can observe and operate the multimedia interface more intuitively, and requirements in multiple aspects can be met more flexibly. And vehicle driving related parameters and information can be simply and directly presented and provided to a driver at the correct position most suitable for observing and reading data. The fundamental purpose and effect of efficiently and easily driving the vehicle are achieved.

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 discloses a welding platform for HDMI (High Definition Multimedia Interface) high-definition wire production, and relates to the technical field of HDMI high-definition wire production equipment. The ultrasonic welding device comprises a workbench, an equipment frame is erected on the longitudinal middle axial face of the workbench, a suction machine is installed in the center of the equipment frame in an embedded mode, and an ultrasonic welding device is installed on the portion, beside the suction machine, of the equipment frame in an embedded mode. A carrying assembly is detachably and fixedly connected into the center groove, the two ends of a double-shaft telescopic rod in the carrying assembly are both connected with a connecting plate, the other end of the connecting plate is connected with a bearing plate, and a clamping assembly is transversely erected at the top of the bearing plate. Smoke dust generated in the welding process of the HDMI high-definition wire is absorbed through the suction machine and the suction cup connected to the suction opening of the suction machine in a sleeving mode, the cleanliness of the production environment is guaranteed, meanwhile, the clamping assembly and the HDMI high-definition wire are carried through the carrying assembly, then the HDMI high-definition wire is clamped through the clamping assembly, and the clamping force is mild and stable.

The invention discloses an HDMI (High Definition Multimedia Interface) cable and HDMI equipment, the HDMI cable comprises a cable body and two HDMI joints respectively connected to two ends of the cable body, and the cable body comprises a data 0 differential signal line, a data 1 differential signal line, a data 2 differential signal line, a clock differential signal line, a CEC line, an SCL line, an SDA line, a power line and a hot plug monitoring line; a first wire group is not arranged in the wire body, the first wire group comprises one or more of a data 0 shielding wire, a data 1 shielding wire, a data 2 shielding wire, a clock shielding wire and a DDC / CEC ground wire, all signal wires associated with the first wire group in the wire body are ultra-thin coaxial wires, and shielding layers of the ultra-thin coaxial wires are connected with ground pins on a PCB of the HDMI connector in a conducting mode. According to the technical scheme, the wire diameter and the occupied volume of the wire body of the HMDI cable are reduced, and the cost of the HDMI cable is reduced.

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.