Media Format

DVD (also known as "Digital Versatile Disc" or "Digital Video Disc" - see Etymology) is a popular optical disc storage media format. Its main uses are video and data storage. Most DVDs are of the same dimensions as compact discs (CD) but store more than six times as...

Videotape is a means of recording images and sound onto magnetic tape as opposed to movie film. In most cases, a helical scan video head rotates against the moving tape to record the data in two dimensions, because video signals have a very high bandwidth, and static...

Laserdisc (LD), previously known as Reflective Optical Videodisc, Laser Videodisc, Disco-Vision, DiscoVision, and MCA DiscoVision and originally spelled LaserDisc (note the CamelCase) was the first commercially available optical disc storage medium. The format offered...