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Additional information
Progressive
All the lines that make up a video
scan video
picture are updated in one pass
(compared to interlace which takes two
passes to update the whole picture).
Regions
These associate DVD-Video discs and
(DVD-Video
players with particular areas of the
only)
world. See DVD-Video regions on
page 53 for more information.
Sampling
The rate at which sound is measured to
frequency
be turned into digital audio data. The
higher the rate, the better the sound
quality. CD is 44.1 kHz; DVD can be up
to 96 kHz. See also Digital audio.
Super Audio
Super Audio CD is a high quality audio
CD (SACD)
disc format that can accommodate
high sampling rate stereo and multi-
channel audio, as well as conventional
CD audio all on the same disc.
WMA
WMA is short for Windows Media
Audio and refers to an audio
compression technology developed by
Microsoft Corporation. Files are
recognized by their file extension
".wma".
WMV
WMV is an acronym for Windows
Media Video and refers to a video
compression technology developed by
Microsoft Corporation. Files are
recognized by the file extension ".wmv'.
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