By PURPLELEC | 27 June 2024 | 0 Comments
How to choose a suitable SDI capture card
SDI video capture card is a video capture device with SDI interface, which can capture SDI ana-log signals from other video sources. It can display SDI signal data of another device on one monitor at the same time, without adding additional equipment, and the video image display is clearer.
When purchasing SDI video capture card, it is very important to consider the following points:
1. Clear demand: First, clarify the purpose of purchasing video capture card, because different models of capture cards have different focuses, and ensure that the selected product meets the actual purpose.
2. Select the format: According to the use environment, decide whether to build in or external (video capture card). External products are easy to carry and easy to operate, suitable for non-professional users; built-in products usually have more advanced video capture functions and are suitable for use with professional equipment.
3. Determine the budget: Set the price range according to the use needs and economic conditions, ensure that the selected equipment matches the performance of other components in the system, and avoid waste of resources.
4. Capture effect: Preferably, the capture card with dynamic capture effect close to 30 frames/second or 25 frames/second, and pay attention to the true restoration of image color, brightness and contrast.
5. Resolution consideration: The resolution of the video capture card directly affects the image quality. When pursuing high-definition effects, choose a capture card that supports high resolution (such as 1920 x 1440 x60HZ) and ensure that the computer resolution matches it.
6. Compatible video formats: If used for video editing, choose a capture card that supports multiple video formats and has image compression functions to meet the needs of video information processing in different formats.
7. Comprehensive functions: Evaluate additional functions, such as multi-channel video switching, remote control operation, etc., and select according to actual needs. There is no need to blindly pursue high-end configurations, and practicality is the main focus.
Purplelec capture card series are all independently developed and produced, and the quality is trustworthy. The SDI capture card series can support high-definition lossless acquisition, support progressive scanning of 1920×1440 SDI signals, and are widely compatible with various video live broadcast, video conferencing, P2P, video monitoring and other software on the market. It supports standard Directshow for development and provides a complete secondary development package SDK. Purplelec video capture card series has been widely used in various streaming media fields such as video conferencing, distance learning, live streaming, medical imaging, video surveillance, large-screen splicing, multi-screen fusion, etc.
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