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Glossary
Glossary
Absolute phase
A control which changes the phase of the
signals to all the speakers.
AC-3
An alternative name for the Dolby Digital
format.
Ambisonic
A music encoding and decoding system
designed to recreate the original
soundfield using an array of loudspeakers.
Aspect ratio
The overall shape of the speaker layout.
Compress
A DSP parameter providing dynamic range
control for Dolby Digital sources.
Controller
The product in a Meridian system that
uses the infra-red signals from the remote
to control the system. The controller is
normally chosen automatically, but the
installer can override this.
Dolby Digital
A digital surround-sound 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.
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 Entertainment. 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.