What exactly is a capture card?

Capture card is a hardware device, its main role is to the outside world of photoelectricity, video, audio and other analog signals are captured and converted into digital signals, and then imported into the computer for processing. Common capture cards are image capture card, video capture card, audio capture card and so on.

Capture cards are widely used in the field of live video broadcasting and game broadcasting. For example, in video production or live game broadcasting, if the game is logged on platforms other than the computer terminal, and you want to transfer the video signal from these platforms to the computer, you need to use the capture card to get the video screen.

In addition, data acquisition cards are also widely used in industrial automation, instrumentation, medical equipment, communication equipment and other fields, for the acquisition of a variety of external signals and transfer to the computer.