Meridian 568.2 User Manual page 127

Smart Link
A six-channel digital audio stream that can
connect the 568.2 Digital Surround
Processor to a multi-channel source, such
as the Meridian 598 DVD Player. The
Smart Link also provides intelligent stream
content information.
Source
An input to the system, such as CD or TV.
The Meridian 500 and 800 Series provide
12 named sources, corresponding to the
names of the 12 source keys on the MSR.
In the 568.2 you can choose the logo
displayed for each source, and the input
used for it.
SPL
Sound Pressure Level, a physical
measurement of the level of sound at a
particular location which can be obtained
using an SPL meter.
120
Steered surrounds
Surrounds which have individual signals
steered to them by the digital surround
processor's steering matrix.
Surround
A sound reproducing system with more
than two loudspeakers, and usually with
speakers behind or to the side of the
listener.
THX
Additional processing that follows Dolby
Pro Logic Surround decoding to give a
more faithful reproduction of cinema
sound in the home.
Trifield
A music decoding system designed to
extract centre and surround signals from a
conventional two-channel stereo source.
Type
A standard configuration of the digital
surround processor. Selecting a Type
resets any configuration and calibration
changes.