23 results about "Media layer" patented technology

The invention relates to the technical field of data storage, and provides an object storage intelligent layering method and device based on a decision tree, and the method comprises the steps: collecting object data, carrying out the preprocessing of the collected object data, and setting an access time window and a storage label for the obtained standardized object data; performing feature extraction on the stored standardized data, and performing dimension reduction processing on the extracted features to obtain feature data; constructing a training model, training and testing the training model by adopting feature data, and selecting a decision tree model from the training model for production deployment; and performing classified storage prediction on the uploaded object data by adopting the deployed decision tree model, and storing the object data to a corresponding storage pool according to a classified storage prediction result. According to the method, the future access frequency of the object can be predicted and directly allocated to different storage medium layers, so that the data migration time and space loss are saved, the storage system efficiency is improved, and the user access performance is improved.

The invention relates to a transmitting and receiving network between common-caliber phased array subarray antennas. The transmitting and receiving network comprises an active plate, a metal plate and a network plate which are sequentially arranged from top to bottom, the metal plate is used for assisting the active plate in heat dissipation; the active plate at least comprises an amplifier and a power supply; the transmit-receive network board comprises a power division network layer, a power combination network layer and a dielectric layer. A floor, a first dielectric layer, a first transmitting power dividing network layer, an Nth dielectric layer, an Nth transmitting power dividing network layer, an (N + 1) th dielectric layer, a first receiving power combining network layer, an (N + 2) th dielectric layer, a second receiving power combining network layer,..., a 2Nth dielectric layer, an Nth receiving combining network layer, a (2N + 1) th dielectric substrate and a floor are sequentially arranged from top to bottom. And a pp layer and a floor are arranged between any power division network layer and the adjacent dielectric layer and between any power combination network layer and the adjacent dielectric layer. The Wilkinson power divider is adopted to improve the channel isolation, so that the transceiving network is small in size, light in weight, high in isolation and high in amplitude consistency.

The application relates to a testing device and method for a multi-channel high-speed low-delay interconnection interface of a silicon medium layer. The device comprises a standard testing port for interactive testing instructions, an asynchronous bypass port for directly accessing IO ports of channels of a physical layer of the interconnection interface, a built-in self-test engine for realizing loopback testing and data checking between different layers, a redundant data channel for repairing a damaged data channel, and a delay chain testing circuit for testing functions and linearity of a delay chain. The device is used for embedding and distributing testing and repairing logics in the physical layer and the link layer, realizing internal testing control without an external controller, testing and rapidly screening a sample, and ensuring the performance of the sample.

The present application describes platform containing a dynamic multilayered media structure which is generated by aggregation of media pieces into a plurality of media layers. The platform allows users to interact with media layers of the dynamic multilayered media structure independently of one another. The platform further provides for a dynamic, customized media channel lineup and a user account that allows individual media pieces within the dynamic multilayered media structure to play across separate devices that are linked to the account. The user account allows for inputs including real-time controls over the media, interaction, preferences, adding additional media content, editing media into a condensed form, and curation options with the dynamic multilayered media structure.

The present application describes platform containing a dynamic multilayered media structure which is generated by aggregation of media pieces into a plurality of media layers. The platform allows users to interact with media layers of the dynamic multilayered media structure independently of one another. The platform further provides for a dynamic, customized media channel lineup and a user account that allows individual media pieces within the dynamic multilayered media structure to play across separate devices that are linked to the account. The user account allows for inputs including real-time controls over the media, interaction, preferences, adding additional media content, editing media into a condensed form, and curation options with the dynamic multilayered media structure.

The invention provides a circuit board and a preparation method thereof. The circuit board comprises a first circuit substrate, a first heat conduction block, a second circuit substrate and a core plate. The first circuit substrate comprises a first circuit layer and a first dielectric layer which are stacked in a first direction, two first grooves which are arranged at intervals in a second direction are formed in the first circuit substrate, the first grooves are at least formed in the first dielectric layer, and the second direction is perpendicular to the first direction; the first heat conduction blocks are located in the first grooves respectively. The core plate is positioned between the first circuit substrate and the second circuit substrate in the first direction; the circuit board is provided with a through hole, the through hole penetrates through the first circuit substrate, the core plate and the second circuit substrate, the through hole is arranged between the two first heat conduction blocks in the second direction, the first heat conduction blocks form part of the inner wall of the through hole, the inner wall of the through hole is provided with a conduction layer, and the conduction layer is connected with the first heat conduction blocks.

The present application describes platform containing a dynamic multilayered media structure which is generated by aggregation of media pieces into a plurality of media layers. The platform allows users to interact with media layers of the dynamic multilayered media structure independently of one another. The platform further provides for a dynamic, customized media channel lineup and a user account that allows individual media pieces within the dynamic multilayered media structure to play across separate devices that are linked to the account. The user account allows for inputs including real-time controls over the media, interaction, preferences, adding additional media content, editing media into a condensed form, and curation options with the dynamic multilayered media structure.

The invention discloses an abnormal traffic alarm method and apparatus, and an electronic device. The method comprises the following steps: extracting a transmission layer feature vector and a media layer feature vector from a program stream data packet; processing the transmission layer feature vector by using a time sequence model in a hybrid prediction model to obtain a first prediction output, and processing the media layer feature vector by using a statistical model in the hybrid prediction model to obtain a second prediction output; determining fusion prediction output of the first prediction output and the second prediction output, and performing residual analysis on the fusion prediction output to obtain a residual analysis result; and determining a score value according to a residual analysis result, and generating alarm information under the condition that the score value is greater than a score threshold value. The technical problem that a transmission layer is abnormal due to the fact that a traditional video monitoring system only monitors the total bandwidth utilization rate and cannot analyze the internal structure of a program stream is solved.

The invention discloses a message hierarchical encryption method and system, and aims to provide differentiated encryption strategies, optimize resource use and improve security according to the sensitive degree of messages, the method comprises the following steps: establishing connection between a client and a server through WebSocket handshake, and establishing a secure channel on a TLS / SSL layer; the client and the server negotiate a shared key through an ECDH protocol and derive hierarchical session keys respectively, and the hierarchical session keys comprise a control layer key, a data layer key and a media layer key; the client and the server perform encryption and decryption by using the hierarchical session key according to the message type; the control layer key is used for encrypting and decrypting a control layer message, the data layer key is used for encrypting and decrypting a data layer message, and the media layer key is used for encrypting and decrypting a media layer message; the message adds a message type identifier and a key version identifier of the current hierarchical session key when encrypted.

This invention relates to the field of computer multimedia communication, and in particular to a WebRTC video conferencing system and media stream conversion method compatible with GB / T28181 devices. The system adopts a layered architecture, including a service layer, a STUN / TURN server, a signaling layer, and a media layer. The service layer provides service interfaces for WebRTC clients and stores service data. The STUN / TURN server is used to implement NAT traversal. The signaling layer includes a WebRTC signaling module, a signaling protocol conversion module, and a GB / T28181 signaling module. The media layer includes a WebRTC media module, a media transcoding module, a congestion control module, and a GB / T 28181 media module. This solution proposes the IGCC-A algorithm to reduce frequent jitter in the transmission rate caused by small fluctuations in network latency, and realizes the structure of a WebRTC video conferencing system that accesses GB28181 devices.

The invention discloses a device testing structure and a testing method, the device testing structure comprises at least three testing substructures, each testing substructure comprises a first metal line with a repeated turning shape, and in other second testing substructures except for one first testing substructure in the testing substructures, the first metal line is provided with a first metal line with a repeated turning shape, and the second metal line is provided with a second metal line with a repeated turning shape. A plurality of isolated metal patterns distributed along the single side or double sides of the first metal lines according to different first densities are further arranged, and whether gap defects caused by temperature fluctuation of the preparation process of the dielectric layer on the first metal lines exist or not is judged by performing resistance detection on the first metal lines in the test sub-structures. According to the method, the fluctuation of the process temperature can be better observed, the risk can be predicted in advance, the occurrence risk of the gap defect can be reasonably evaluated, and the stability of the dielectric layer preparation process can be effectively monitored.

The invention provides a high-compatibility heterogeneous integration method, which comprises the following steps of: adopting a form-variable dielectric layer as a medium, stably combining a non-standard-size functional layer in any shape with a support substrate, performing heterogeneous integration with other functional layers, and finally removing the form-variable dielectric layer and the support substrate, thereby obtaining the high-compatibility heterogeneous integration method. Therefore, heterogeneous integration of unconventional-size materials which are difficult to integrate by a standard MEMS platform standard process is realized, and heterogeneous integration of special materials which are not compatible with the MEMS platform standard process is promoted.

The invention discloses an electric power safety management tool box, and relates to the technical field of electric power training, the electric power safety management tool box comprises a box body, a multimedia layer and a top cover, the upper surface of the box body abuts against the lower surface of the top cover, the side surface of the multimedia layer is slidably connected with the inner wall of the box body, and the upper surface of the multimedia layer is fixedly connected with a keyboard; the upper surface of the multimedia layer is further connected with a mouse in a sliding mode, the rising ejection mechanism is arranged in the box body and used for ejecting the multimedia layer out, the top cover opening mechanism is arranged in the box body and used for opening a top cover, and the unfolding mechanism is arranged in the box body and used for unfolding the top cover. The tool box comprises a box body and a storage layer which is arranged in the box body and is used for storing physical electrical equipment, and further comprises a storage classification mechanism which is arranged in the box body and is used for classifying and storing the electrical equipment with low use frequency, so that the problem that when an existing tool box is used for multimedia, the physical electrical equipment is inconvenient to take from the box for explanation is solved.

The invention relates to the technical field of communication, and discloses an information transmission system and method.The information transmission system comprises a medium layer module and a signal conversion module, and when the signal conversion module receives a mode configuration signal, the signal conversion module is switched to a transmission mode corresponding to the mode configuration signal; the signal conversion module comprises a physical layer and a mode switching unit; the physical layer is in communication connection with the medium layer module and is used for receiving data output by the medium layer module; and the mode switching unit is respectively in communication connection with the medium layer module and the physical layer, and is used for determining data output from the physical layer to the medium layer module based on the current transmission mode and outputting the data to the medium layer module. Therefore, the mode switching unit is added to the data transmission between the medium layer module and the physical layer, the data consistent with the current transmission mode is output to the medium layer module, and the data is ensured to be transmitted according to the transmission mode corresponding to the currently switched architecture, so that the original architecture and the SERDES architecture are compatible on a hardware structure, and the data transmission efficiency is improved. And architecture switching can be carried out according to requirements.

The invention discloses a cross-platform audio and video multi-protocol conversion transmission method and system, and relates to the technical field of audio and video transmission. The method comprises an audio and video processing module construction process, a signaling negotiation process, a media transmission process and a signaling negotiation exit process. The audio and video processing module comprises a signaling layer and a media layer; the signaling layer supports various protocols to access in the form of signaling plug-ins, receives and processes various signaling information, and then a signaling processing module schedules the processing of the signaling information to realize the signaling conversion among different protocols; the media layer supports various streaming media transmission protocols to access in the form of media stream plug-ins, receives and processes various audio and video data, and then forwards the audio and video data; the audio and video processing module can be deployed on a service layer and / or an access layer. By introducing the audio and video processing module, access and conversion of various audio and video protocols are supported, the platform opening capacity is improved, and meanwhile the audio and video processing capacity of an application is enhanced.

The invention relates to the field of data storage scheduling, and discloses a remote education data intelligent scheduling and storage optimization system, which comprises a data preprocessing and topology construction module; the heterogeneous storage medium layer comprises physical storage equipment with multiple performance levels; the initial storage strategy module is connected with the data preprocessing and topology construction module and the heterogeneous storage medium layer; a cognitive state monitoring module; the storage recombination controller is connected with the cognitive state monitoring module and the heterogeneous storage medium layer; and the distribution scheduling engine is used for executing data prefetching and executing cache replacement based on the review urgency of the cache data block. And variable-length semantic granulation segmentation is performed on the media stream through the data preprocessing and topology construction module, and a differentiated initial storage strategy is implemented according to the topology centrality of the knowledge points, so that the effect of dynamically allocating storage resources according to the knowledge structure value is achieved.

The present application describes platform containing a dynamic multilayered media structure which is generated by aggregation of media pieces into a plurality of media layers. The platform allows users to interact with media layers of the dynamic multilayered media structure independently of one another. The platform further provides for a dynamic, customized media channel lineup and a user account that allows individual media pieces within the dynamic multilayered media structure to play across separate devices that are linked to the account. The user account allows for inputs including real-time controls over the media, interaction, preferences, adding additional media content, editing media into a condensed form, and curation options with the dynamic multilayered media structure.

The application discloses a manufacturing method of a rigid-flexible combined board with a surface flexible layer for an intelligent video module, takes a double-sided flexible copper-clad plate, opens a window on a first copper layer corresponding to a first through hole to form a flexible core plate; takes a first covering film and opens a window corresponding to the first through hole to form a window covering film; attaches the window covering film to one side of a second copper layer of the flexible core plate to form a covering film core plate; takes a semi-cured sheet and makes a glue-blocking film corresponding to a flexible area of the semi-cured sheet to form a glue-blocking semi-cured sheet and make a rigid core plate; stacks and presses each layer plate in sequence from top to bottom, with the glue-blocking film facing the covering film core plate, then makes a through hole on a rigid area, laser-ablates an insulating medium layer corresponding to a copper layer window pattern, electroplates, and then carries out uncovering processing, then removes the second copper layer at the bottom of a blind hole to form a first through hole, and finally forms a rigid-flexible combined board, and the metallization processes of the flexible area and the rigid area are combined into one electroplating process, so that the consistency of the copper layer thickness is ensured.

In a preferred embodiment, the method of caching media used in a telephony application includes: receiving a media request; sending the media request to a media layer using HTTP; the a media layer performing the steps of checking in a cache for the media resource; processing the media request within a media processing server; and storing the processed media in the cache as a telephony compatible resource specified by a persistent address. The system of the preferred embodiment includes a call router and a media layer composed of a cache and media processing server.

The invention provides a high-density three-dimensional vertical structure memory and a preparation method thereof. The preparation method comprises the following steps: forming a word line structure in a stacking structure on a substrate; filling an insulating medium, and forming a through hole structure in the insulating medium at two sides of the word line structure; forming a storage medium layer in the through hole structure; and forming a top electrode layer in the through hole structure. Aiming at the bottleneck of a laminated hole etching process, the invention provides a scheme of only performing through hole processing in a single insulating medium to form a through hole array, and the etching precision and the yield are optimized by utilizing the material uniformity, so that the etching difficulty is greatly reduced; the storage density is doubled by optimizing the position of the bit line circuit and the efficient arrangement of the multiple layers of storage units; the high-density three-dimensional vertical structure memory provided by the invention is compatible with a plurality of storage media such as resistance change materials and phase change materials, and has the advantages of high-density integration and manufacturing stability. According to the method, an efficient solution is provided for high-density nonvolatile storage requirements in the fields of artificial intelligence, cloud computing and the like.

The application discloses a CRCN-based layered medium dielectric coefficient nondestructive detection method and system. First, the CycleGAN network is trained to suppress noise in a data set and enhance image target features. Secondly, a ResCBAMNet detection network is proposed, which is based on ResNet-18 and introduces a CBAM module in a residual block, and improves an activation function in the network to LeakyReLU. The network can classify and detect the dielectric coefficient of the layered medium. The simulation experiment results show that the CRCN model can realize fast and nondestructive detection of the dielectric coefficient of each layer medium, so as to judge the structural health state of each medium layer, and is suitable for engineering application.

The present application describes platform containing a dynamic multilayered media structure which is generated by aggregation of media pieces into a plurality of media layers. The platform allows users to interact with media layers of the dynamic multilayered media structure independently of one another. The platform further provides for a dynamic, customized media channel lineup and a user account that allows individual media pieces within the dynamic multilayered media structure to play across separate devices that are linked to the account. The user account allows for inputs including real-time controls over the media, interaction, preferences, adding additional media content, editing media into a condensed form, and curation options with the dynamic multilayered media structure.

The invention provides an audio and video playing method and electronic equipment. According to the method, after the multimedia layer in the software architecture supported by the audio and video device is started, the multiple signalings included in the instruction sent by the controller are divided into the audio and video playing signalings and the non-audio and video playing signalings in the multimedia layer; the method comprises the following steps: starting an application layer, processing an audio and video playing signaling used for indicating to play a target audio and video in a multimedia layer to play the target audio and video, temporarily caching a non-audio and video playing signaling included in an instruction in the multimedia layer, and processing the cached non-audio and video playing signaling in the application layer after the application layer is started. Visibly, the video device in the electronic equipment is used for replacing a controller originally used for audio and video playing to perform audio and video playing, and the audio and video device has relatively large storage space and relatively high processing performance, so that the audio and video playing quality can be greatly improved.