By PURPLELEC | 28 May 2024 | 0 Comments
Video conferencing solutions
Program background introduction:
With the increasing demand for high-definition video entertainment, coupled with the rapid development of network communication technology and digital storage technology, 1080P high-definition video conferencing has become a multimedia information such as text, documents, pictures, programs, etc., which is not limited by time, space and region. , a portable way to freely transmit, disseminate and share, suitable for schools, hospitals, business hotels, government departments, restaurants, public transportation, or anywhere that needs to integrate multiple video contents.
1080P high-definition video conferencing improves call quality, high retrieval efficiency, and fast transmission speed. It opens up the extension of information communicated through video conferencing and provides a highly valuable solution for business, distance education, telemedicine, community, government, and various charities. communication tools. People are increasingly demanding video conferencing display terminals that can achieve large-size images, high definition, multi-point simultaneous access and other display effects, outstanding visual display effects, flexible and diverse multi-point simultaneous access, and multi-point synchronous display. This method can ensure real-time collection of audio and video, smooth operation, and high-resolution and high-definition picture display, which has become the standard for video conferencing system environments.
Video image capture equipment—Video capture cards have a huge impact on high definition. In order to obtain high-resolution images, high-definition conference rooms must be equipped with 16:9 video capture equipment that supports the minimum high-definition video standard 720p. Therefore, video conferences using cameras are gradually switching to high-definition video capture cards. High-definition video capture cards can display high-resolution content (such as weather pictures, design drawings, accounting charts, maps, or medical photos, etc.) with high definition, which can bring great convenience to special industries that rely on visual communication.
Scheme system architecture diagram:
solution:
The HDMI high-definition capture card has the characteristics of high performance and low investment. It supports HDMI high-definition capture interface, Y/Pb/Pr high-definition capture interface (RCA), S-Video standard-definition capture interface (DIN-4), CVBS standard-definition capture interface (BNC), and is compatible with 1080p signal, and has nothing to do with the content of the screen display. Whether it is video, text, pictures, or web pages, it can be guaranteed to be clear, continuous, and stable, thereby meeting the needs of users to the greatest extent. It can automatically detect dynamic switching of various resolutions, and occupies a low CPU rate. Image processing such as scaling and deinterlacing that consume CPU time is completed in the FPGA, which greatly reduces the burden on the CPU. At the same time, it uses a high-efficiency DMA transmission method. This further liberates the CPU's capabilities, allowing the CPU to focus on user-specified work. It has super stability, can run continuously without interruption, is compact in size, complies with Low-profile standards, supports 2U chassis, uses PCI-E X1 slot, can be used by ordinary PCs, and is low-priced, meeting the needs of video conferencing system users.
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