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What is a professional capture card?

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Author : PURPLELEC
Update time : 2024-07-10 10:13:44
  Professional capture cards refer to hardware devices designed for capturing high-quality video and audio signals. They are widely used in broadcasting, professional video production, game live broadcasting, medical imaging, security monitoring, and virtual reality.
Professional capture cards
  This type of capture card usually has the following features:
  1. High resolution and high frame rate: Supports video capture with 4K or even 8K resolution, with a frame rate of up to 60fps or even higher, ensuring smooth and clear image recording or live broadcasting.
  2. Low latency: When transmitting video signals in real time, professional capture cards can achieve extremely low latency, which is essential for scenes with high real-time requirements such as live broadcasts and e-sports competitions.
  3. Multi-channel input: Multiple video sources (such as HDMI, SDI, Component, Composite, etc.) can be connected at the same time, and some high-end models also support multi-channel audio synchronous capture.
  4. High-quality codec: Built-in high-performance codec supports multiple video encoding formats, such as H.264, H.265, etc., to ensure video recording while reducing file size, and also supports lossless or low-loss compression to meet the high-quality requirements of post-editing.
  5. Professional software compatibility: Seamless integration with professional video editing and live streaming software such as Adobe Premiere, Final Cut Pro, OBS Studio, etc., providing rich control options and special effects support.
  6. Hardware control: Some capture cards are equipped with hardware control panels, allowing users to directly adjust various parameters of the input signal, such as color correction, exposure, white balance, etc., without relying on the software interface.
  7. Stability and durability: The use of high-quality materials and strict quality control ensures stability and reliability under long-term continuous work.
  8. Interface diversity: In addition to video and audio interfaces, some capture cards also provide high-speed data transmission interfaces such as Thunderbolt, PCIe, USB 3.0/3.1, etc. to meet the connection needs of different devices and environments.