User Guide

318 Glossary
Since the PAL frame rate is a whole number of frames (25 fps), PAL timecode counters are
always accurate.
DV (Digital Video) Compressed component digital videotape format
DVD master Final output, including all audio, video, and other files as well as the DDP
report, that is sent to a replicator to create DVD discs.
DVD Volume Logical container for all the data on a DVD disc. In a DVD-Video disc, the DVD
Volume contains the VIDEO_TS and AUDIO_TS folders, as well as any data files and folders
that the author added to the disc. The DVD Volume can be created on a PC for testing with
a software DVD player before it is recorded onto a disc.
DVD-R (DVD-Recordable) DVD disc that can be recorded once.
DVD-RAM (DVD-Random Access Memory) Rewritable DVD disc that can be recorded and
erased up to 100,000 times. DVD-RAM is designed for faster access to random areas of the
disc. These discs can be used only in DVD-RAM devices.
DVD-ROM (DVD-Read-Only Memory) The basic format of DVD, from which all other formats
are derived. DVD-ROM discs can contain any form of digital data.
DVD-RW (DVD-Rewritable) DVD disc that can be recorded and erased up to 1000 times.
DVD-Video Standard for storing and playing high-quality video with audio. Discs can be
played either on set-top players or in computers that have a DVD-ROM and player software.
elementary system Single digital stream of either video or audio. Compare with program
stream.
encode To transform an analog signal into digital data. This often involves some form of
compression. See also decode, transcode.
field Set of scan lines. Two fields make a complete frame. One field contains the odd-
numbered lines (top field); the other field contains the even-numbered lines (bottom field).
The fields can be displayed interlaced on a standard television or in progressive sequence
on a computer monitor or high-definition television.
FireWire Standard created by Apple Computer, Inc. for transmitting digital signals between
various devices, including DV cameras and computers. Now known formally as IEEE-1394.