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Glossary
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■ Dolby Digital
Dolby Digital is a digital surround sound system that gives
you completely independent multi-channel audio. With 3
front channels (left, center, and right) and 2 surround
stereo channels, Dolby Digital provides 5 full-range audio
channels. With an additional channel especially for bass
effects, called LFE (low-frequency effect), the system has
a total of 5.1-channels (LFE is counted as 0.1-channel).
By using 2-channel stereo for the surround channels, more
accurate moving sound effects and surround sound
environment are possible than with Dolby Surround. The
wide dynamic range (from maximum to minimum
volume) reproduced by the 5 full-range channels and the
precise sound orientation generated using digital sound
processing provide listeners with excitement and realism
previously unheard of.
With this unit, any sound environment from monaural up
to a 5.1-channel configuration can be freely selected for
your enjoyment.
■ Dolby Pro Logic II
Dolby Pro Logic II is an improved technique used to
decode vast numbers of existing Dolby Surround software.
This new technology enables a discrete 5-channel
playback with 2 front left and right channels, 1 center
channel, and 2 surround left and right channels (instead of
only 1 surround channel for conventional Pro Logic
technology). Music and Game modes are also available for
2-channel sources in addition to the Movie mode.
■ Dolby Surround
Dolby Surround uses a 4-channel analog recording system
to reproduce realistic and dynamic sound effects: 2 front
left and right channels (stereo), a center channel for dialog
(monaural), and a surround channel for special sound
effects (monaural). The surround channel reproduces
sound within a narrow frequency range.
Dolby Surround is widely used with nearly all video tapes
and laser discs, and in many TV and cable broadcasts as
well. The Dolby Pro Logic decoder built into this unit
employs a digital signal processing system that
automatically stabilizes the volume on each channel to
enhance moving sound effects and directionality.
■ DTS Digital Surround
DTS digital surround was developed to replace the analog
soundtracks of movies with a 6-channel digital sound
track, and is now rapidly gaining popularity in movie
theaters around the world. DTS, Inc. has developed a
home theater system so that you can enjoy the depth of
sound and natural spatial representation of DTS digital
surround in your home. This system produces practically
distortion-free 6-channel sound (technically, left, right,
and center channels, 2 surround channels, plus an LFE
0.1-channel as a subwoofer, for a total of 5.1 channels).
The unit incorporates a DTS-ES decoder that enables 6.1-
channel reproduction by adding the surround back channel
to existing 5.1-channel format.
■ DTS Neo:6
Neo:6 decodes the conventional 2-channel sources for 6-
channel playback by the specific decoder. It enables
playback with the full-range channels with higher
separation just like digital discrete signal playback. Two
modes are available: Music mode for playing music
sources and Cinema mode for movies.
■ EUPHONY
Euphony is a revolutionary sound field reproduction
system implemented with state-of-the-art sound
technologies developed under the basic concept of
enjoying beautiful sound. It can reproduce surround sound
optimized without depending on the number of input
channels, the number of speakers (two or more speakers)
or the speaker’s dimensions. In addition, it features steady
center localization. It also can reproduce the surround
sound for the headphones with natural sound and “out-of-
head” localization so that the listener feels an expanded
sound and will not tire, even when listening to music or a
movie for long time.
Glossary