8 results about "Multimedia storage" patented technology

The invention discloses an intelligent terminal and method for supporting distributed storage and retrieval of heterogeneous data, and belongs to a system in the technical field of data storage and retrieval, and the intelligent terminal comprises a data acquisition module, a preprocessing module, a distributed storage module, an indexing module, a retrieval module, a security module and an intelligent scheduling module. The preprocessing module performs cleaning, format conversion and standardization on collected data, the distributed storage module realizes data fragmentation, encryption and load balancing storage, the data index module establishes multi-level indexes to support rapid retrieval, and the data security module adopts encryption and access control to guarantee data security. And the intelligent scheduling module coordinates the work of each module and optimizes the system performance. Through modular design and intelligent processing, the processing efficiency, the storage performance and the retrieval speed of heterogeneous data are remarkably improved, meanwhile, the safety and privacy of the data are guaranteed, and the method is suitable for various application scenes such as big data analysis, the Internet of Things and multimedia storage.

The invention discloses a server management system, method and device, a computer program product and a medium, and relates to the technical field of servers, and the server management system comprises a management controller, a data selection device and a multimedia storage device. The switching between using the target video transmission interface and not using the target video transmission interface can be realized through the management controller and the data selection equipment. When the target video transmission interface is used, a part of data pins of the multimedia storage interface in the management controller are connected with the multimedia storage device, the function multiplexing pin serves as a serial clock pin to be connected with the serial data pin and the target video transmission interface, and the target video transmission interface can be normally used. When the target video transmission interface is not used, the function multiplexing pin of the multimedia storage interface serves as the data pin, each data pin is connected with the multimedia storage device, data reading and writing of all data bit widths of the multimedia storage device can be achieved, and the data reading and writing rate is guaranteed.

The utility model discloses a core board and an industrial control mainboard, a plurality of functional modules such as a central processing unit, a dynamic random access memory, an embedded multimedia memory, a wireless network module, a cooling fan and a power supply management unit are integrated on the core board, and unnecessary circuits and interfaces are reduced through simple design of the core board. The overall design is simplified, the core board and the substrate are detachably connected through the first connector, the convenience of maintenance and upgrading of a system is improved, and the problems that an industrial control mainboard is high in complexity and large in occupied area are solved.

The present invention discloses a server management system, method, device, computer program product and medium, relating to the technical field of servers. The server management system includes a management controller, a data selection device, and a multimedia storage device. Through the management controller and the data selection device, it is possible to achieve the switching between using the target video transmission interface and not using the target video transmission interface. When using the target video transmission interface, some data pins of the multimedia storage interface in the management controller are connected to the multimedia storage device, and the function multiplexing pins are used as the serial clock pin and the serial data pin to be connected to the target video transmission interface, enabling the normal use of the target video transmission interface. When not using the target video transmission interface, the function multiplexing pins of the multimedia storage interface are used as data pins, and each data pin is connected to the multimedia storage device, enabling the data reading and writing of all data bit widths of the multimedia storage device and ensuring the data reading and writing rate.

The application discloses an embedded multimedia memory card test method and system, an electronic device and a storage medium, which are applied to the test of eMMC. Operation information in the information interaction process between a control terminal and a target device eMMC is acquired under a target scene, so that a plurality of first operation commands required by the eMMC to complete a target scene function, the initiation time of the first operation commands and the response time of the first operation commands can be obtained. The expected operation interval of each first operation command is determined based on the initiation time and the response time of each first operation command. Each first operation command is encapsulated based on the expected operation interval, a test unit corresponding to the first operation command is formed, each test unit is combined to obtain a target test case, and the to-be-tested eMMC is tested. At this time, the generation efficiency of the target test case is higher, the generated target test case is closer to an actual application scene, and the accuracy and efficiency of the test are improved.

The application discloses an embedded multimedia memory card and a monitoring system and method for data transmission thereof, and belongs to the technical field of data storage. The system comprises an address monitoring unit, a data monitoring unit, an expected value buffer unit and a comparison unit. The address monitoring unit is connected in parallel to an address channel and a write control channel of a transmission bus of the embedded multimedia memory card, and outputs a trigger signal when the write control channel is a write operation and a current address on the address channel belongs to a preset target address range. The data monitoring unit is connected in parallel to a write data channel of the transmission bus of the embedded multimedia memory card, and is used for acquiring actual write data of the write data channel when the trigger signal is acquired. The expected value buffer unit is used for storing expected data corresponding to the preset target address range. The comparison unit is used for comparing the actual write data with the target expected data in real time, and outputting an error flag signal in each clock cycle according to a comparison result.

A server management system and method, a device, a computer program product, and a medium, relating to the technical field of servers. The server management system comprises a management controller (10), a data selection device (20), and a multimedia storage device (30). The management controller (10) and the data selection device (20) can allow for switching between using and not using a target video transmission interface. When the target video transmission interface is used, some of data pins of a multimedia storage interface in the management controller (10) establish a connection with the multimedia storage device (30), and function-multiplexing pins are used as a serial clock pin and a series data pin and establish connections with the target video transmission interface, so that the target video transmission interface can be normally used. When the target video transmission interface is not used, the function-multiplexing pins of the multimedia storage interface are used as the data pins, and each data pin establishes a connection with the multimedia storage device (30), so that data read and write operations of all data bit widths of the multimedia storage device (30) can be implemented, thereby ensuring a data read / write rate.

The invention discloses an embedded multimedia memory card test method and system, electronic equipment and a storage medium, which are applied to the test of an eMMC (embedded multimedia card), and the method comprises the following steps: obtaining operation information in an eMMC information interaction process of a control terminal and target equipment in a target scene; therefore, a plurality of first operation commands, the initiation time of the first operation commands and the response time of the first operation commands required by the eMMC to complete the target scene function can be obtained, and the expected operation interval of each first operation command is determined based on the initiation time and the response time of each first operation command. According to the method, the eMMC to be tested is tested, the corresponding first operation commands are packaged based on the expected operation interval, the test units in one-to-one correspondence with the first operation commands are formed, the target test case is obtained through combination based on the test units, the eMMC to be tested is tested, at the moment, the generation efficiency of the target test case is higher, and the test efficiency is improved. And the generated target test case is closer to an actual application scene, so that the test accuracy and efficiency are improved.