Description: The format Digital Video (DV) is a video standard of domestic, industrial and broadcast range. It is based on the DCT algorithm and protocol used as data transmission or IEEE 1394 Firewire. Usually written to tape a quarter inch (with three variants: Mini, M and L). It was created in 1996 as an international standard in accordance with IEC 61834 standard, which defines the codec and the tape type. It was developed as a digital video format for an industrial setting, but excellent value meant that it has become the dominant home video format such as Mini-DV, and encountered professionals, DVCAM and DVCPRO versions. One type DV50 format, Digital-S, based on this standard but recorded in half-inch tape. Its popularity has caused it to be commercial basis even for an inexpensive high-definition format, HDV, only share the tape type.