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Glossary
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Glossary
AAC
Advanced Audio Coding, an audio
compression system incorporated into the
MPEG standard and used for encoding
audio broadcasts in some territories.
Absolute phase
A control that changes the phase of the
signals to all the speakers. Can alter
the ambience and bass impact for some
material.
AC-3
An alternative name for the Dolby Digital
format.
Ambisonics
A music encoding and decoding system
designed to re-create the original sound
field using an array of loudspeakers.
Compress
A DSP parameter providing dynamic range
control for Dolby Digital sources.
Dolby Digital
A digital surround-sound format which
provides five full-frequency-range channels
(left, centre, right, left surround, and right
surround) and an additional Low Frequency
Effects (LFE) channel which is band-limited
to 120Hz.
Dolby Surround
The encoding system used for the
majority of movies on video and many
TV broadcasts. Dolby Surround encoded
material can be replayed with a surround
decoder connected to an array of
loudspeakers, which normally include at
least left, centre, right, and rear surround.
DSP preset
A sound processing option. You can create
user-defined DSP presets based on the
built-in presets, and with specific DSP
parameter values.
DTS
Digital Theatre Systems originally produced
digital audio tracks for motion pictures.
A version of this format adapted for
consumer video and audio products is
referred to as DTS. Like Dolby Digital it
provides five full-frequency-range channels
(left, centre, right, left surround, and right
surround) and an additional Low Frequency
Effects (LFE) channel.
DVD
Digital Versatile Disc, a CD-sized disc with
nearly 30 times the storage capacity of CD.
It is capable of storing digital video, high-
quality multichannel audio, or computer
data.
DVD-Audio
A DVD disc containing audio tracks in one
or more of a number of alternative formats
to provide higher quality or higher capacity
than CD, and multichannel audio, together
with the option of still images or video.
A DVD-Audio disc may also include lower
quality versions of the material in DVD-
Video format for compatibility with players
that do not support DVD-Audio.
DVD-Video
A DVD containing video titles together with
one or more soundtracks, menus, and other
entertainment features.
Home
The standard set of soft keys for a G Series
product.
IR Controller
The product in a Meridian system that has
been configured to receive infra-red signals,
and where appropriate send them to other
products in the system.
Layout
Refers to a particular arrangement of
speakers and subwoofers. You can select
different layouts for the Logic, Music, and
5.1 Movie DSP presets.