Traditional Culture Encyclopedia - Photography and portraiture - What is a video capture card? What function does it have?

What is a video capture card? What function does it have?

Video capture card, also called video card, is used to input video data or mixed video and audio data output by analog cameras, video recorders, LD video players and televisions into computers, convert them into digital data that can be recognized by computers, and store them in computers to become editable video data files. According to the purpose, it can be divided into broadcast video capture card, professional video capture card and civil video capture card.