How Does a Video Capture Card Work?
Purpose of Video Capture Cards Video capture cards are used to allow you to take screenshots or record video files on your computer from an external video source. Most video capture cards are installed into an expansion slot on your computer’s motherboard; PCI, PCI-Express, and PCI-Express 2.0 models are available in order to ensure compatibility with different expansion slot types. The source of the video can differ depending on the input types that your specific video capture card features; a majority of cards will allow any source that has standard video and audio-out cables to be connected to it, meaning that you can capture stills and video from your VCR, DVD player, camcorder, and a number of other common video devices. For those wishing to capture video from digital sources, many video capture cards also allow input using s-video cables and some even allow HDMI or other high-definition video input as well. The video capture card transfers the video into a format that is useable
