Knowledge Base

Answers and Guides

What Is MPEG-2 and How Is It Used in DVD Video and Digital Video Workflows?

MPEG-2 is a lossy video compression standard used for DVD-Video, many broadcast and cable streams, and some early HD delivery for…

What Is Doom9's Forum and What Can You Find There?

Doom9's Forum (forum.doom9.org) is a long-running discussion board for DVD conversion and digital video work. Its own description…

What Is a DVD? How It Stores Video and Audio, and How It Differs from CD and Blu-ray

A DVD is an optical disc that stores standard-definition video and audio, and it is read by a laser inside a DVD player or a comp…

What Is a Video? Definition, Formats, and How It Differs from Other Media

A video is a sequence of still images (frames) displayed rapidly enough that the human eye perceives continuous motion. The thres…