37. Glossary 559
Open Sound Control (OSC)
A protocol for communication among computers, sound synthesizers, and
other multimedia devices that is optimized for modern networking tech-
nology.
Out Time
The time of the fade of the outgoing cue during a crossfade. All fixtures
that are decreasing in intensity will go down over this time. -See Also Split
Fade, Path , Fade Time.
P
Page
A preset arrangement of cuelists residing on the masters. Pages can be
changed allowing masters to be used by many cuelists.
Palette
A stored parameter setting, such as position, for one or more fixtures. Fix-
tures of different make or type may share the same palette. -See Also Dir-
ectory.
Parameter
A controllable property of the light produced by a fixture. For example a
fresnel has one attribute: intensity. Moving fixtures have pan and tilt para-
meters and perhaps colour, beam shape, and so on.
Parameter Wheel
A wheel that facilitates the control of fixture parameters. Parameter Wheels
are fixture sensitive: once loaded from the fixture library, parameters are
allocated logically to the wheels.
Patch
The assignment of DMX addresses to fixtures. -See Also DMX.
Patch Point
The set of information that defines where a fixture is patched, including
DMX address, DMX universe, and DMX Processor. Some fixtures have mul-
tiple patch points. -See Also DMX, DMX address, DMX Processor.
Path
A way of defining the way that a parameter changes during a fade. You
could assign a path that makes the fixture parameter snap to its final value
at the start of the fade, for example. Paths should not be confused with con-
version curves; paths are the properties of a cue, while a conversion
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