Adobe Premiere Elements 8 - Manual (Page 313)

308 USING ADOBE PREMIERE ELEMENTS 8 EDITOR
Glossary
Last updated 8/12/2010
U
uncompressed video Raw digitized video displayed or stored in its native size.
USB Universal Serial Bus. The interface standard that allows a plug-and-play experience, where you can add a new
device to your computer without having to install an adapter card or configuring other elements. See also “ IEEE 1394 ”
on page 303.
V
vertex shader In 3D graphics, a program that a GPU uses to render effects realistically, relative to an object’s position
in space. (Not all GPUs support vertex shaders.) Vertex shaders are commonly used in creating graphics for computer
games.
video capture card See “ capture card ” on page 300.
video format A standard that determines the way a video signal is recorded on videotape. Standards include DV, 8-
mm, Beta, and VHS.
VOB DVD Video Object. The VOB format is commonly used to distribute movies on DVDs; video, audio, title
streams, and menu contents are combined in a single file. The video stream is typically MPEG-2.
W
WDM Windows Driver Model. A driver standard developed by Microsoft that allows a wide range of hardware devices
to connect to your computer. WDM provides plug-and-play support for devices such as USB webcams and streaming
camcorders.
widescreen Any aspect ratio for film and video wider than the standard 4:3 format; previously used to refer to wide-
aspect film formats; now typically used to refer to the 16:9 format that has become standard widescreen for DVD,
because this is the aspect ratio specified for HDTV.
WMV Windows Media Video. A format developed by Microsoft that’s optimized for streaming video playback over
the web.
Z
zooming Moving the focus of a camera either closer to or farther from a subject while shooting.