Tags: Genre, Music Genre, Topical Concept.
A video codec is a device or software that enables compression or decompression of digital video. The compression is usually lossy. Historically video was stored as an analog signal on magnetic tape. Around the time when the compact disc entered the market as a digital-format replacement for analog audio it became feasible to also begin storing and using video in digital form and a variety of such technologies began to emerge.Audio and video call for customized methods of compression.