A video uses the analog signal
Digital video recordings are used for one thing, to record video to a digital medium that can be easily transferred to a computer or other editing equipment. It is much easier to deal with than analog recorders.
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Digital Video Disc or Digital Versatile Disc
A DVD recorder records video as a digital signal. A CD-ROM in a computer records video as a digital signal.
Analog to digital converters are used to transfer video from a medium to a digital file, for example Camcorders or Cameras with video. One example would be the Canopus ADVC- 100 Advanced Digital video converter.
digital video camera
a Digital Camera
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A digital camcorder records video digitally. Video is usually recorded onto a removable memory disk.
DVD means Digital Video Disc. The Video on the Disc is there because of Digital imprint, as compared to a VHS. A Video on a tape.
Digital video stabilizers are very useful, especially if one is a Youtuber or a filmmaker. Digital video stabilizers can be purchased on eBay, Amazon and at Best Buy.