What is the purpose of a video capture card?

Answer 1

Since most computers cannot natively grab video from an external source, like cable, a DVD player or camcorder, a capture card gives it that capability. Once the raw footage is stored on your hard drive then you can use the video editing software to make changes to it.

Answer 2

Video capture card are used for getting the picture from the cable, aerial, or Satellite Television source into a PC. They decode and capture the video signal from the channel you want to view or record.

Answer 3

To record video. In my experience Hauppauge cards are very good. These effectively turn your computer into a Tivo / DVR machine.

Answer 4

enables a video signal to be recorded to the computer hard drive