G L OS S A R Y
Dolby Digital
Dolby Laboratories audio compress ion
technology that allows up to 6 channels
(R ight, Left, C enter, S urround R ight,
S urround Left and S ubwoofer) in one audio
stream (AC 3). Most DVDs contain Dolby
Digital audio.
Dolby S urround
Dolby Laboratories audio encoding
technology that combines the information for
two additional channels (C enter, S urround)
in a standard stereo signal. The Dolby
S urround signal can be played on any stereo
equipment, however a Dolby S urround
Decoder is needed to separate the C enter
and S urround channels from the s tereo channels.
Dolby S urround P ro L ogic
An optimized decoder technology for Dolby
S urround encoded s ignals.
DR C (Dynamic R ange C ontrol)
DR C lets you limit the dynamic range of a
Dolby Digital encoded program.
DTS
An audio compression system for cinemas
developed by Digital T heater S ystems, Inc.
DVD (Digital Vers atile Dis c)
The DV D disc is a 12 cm disc, containing
two layers of digital information. The
maximum amount of data on a single-layer ,
single-sided DVD can be up to 4.7 G igabytes.
A two-layer double-sided DVD can be
up to 18 G igabytes.
J P E G
(J oint P hotographic
E xpert G roup)
J P E G
images are bitmapped
images that use a
compression method
in order to save
memory space.
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