LaserDisc

LaserDisc (LD) is a home video format and the first commercial optical disc storage medium, initially licensed, sold, and marketed as MCA DiscoVision (also known as simply "DiscoVision") in North America in 1978. The technologies and concepts behind LaserDisc are the foundation for later optical disc formats, including Compact Disc (CD), DVD, and Blu-ray (BD).

LaserDisc

LaserDisc (LD) is a home video format and the first commercial optical disc storage medium, initially licensed, sold, and marketed as MCA DiscoVision (also known as simply "DiscoVision") in North America in 1978. The technologies and concepts behind LaserDisc are the foundation for later optical disc formats, including Compact Disc (CD), DVD, and Blu-ray (BD).