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ControlMatrix User’s Guide - ControlMatrix Concepts
2.1 Introduction
ControlMatrix is a scaleable and flexible paging system founded upon on
proven technology. This chapter defines some of the key concepts that form
the basis of ControlMatrix. Definitions of ControlMatrix terms may be found
in Chapter 13 – Glossary.
2.2 Definition of a Zone
In ControlMatrix, a Zone is defined as an indivisible entity that forms a
destination for a live page or playback of recorded announcement. A Zone
can be considered as a group of contiguously located paging speakers,
typically (but not always) operating in a single acoustic space in which it
makes sense to operate as a group.
2.3 Definition of a Page
In ControlMatrix, a page or paging event is one of the following:
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A live announcement from a source with a Press-to-talk (Ptt) button
(e.g. a Paging Station)
Assignment of a User Input to perform paging triggered by the
presence of signal from the input
Message playback either from the system scheduler or operator action
Message playback from the store-and-forward system.
All paging events have a priority level. This priority determines what paging
event will go live in a zone when a zone has several events competing for
access. This is discussed in detail in Section 2.6.
2.4 Store-and-Forward
In cases where a destination Zone for a paging event is busy with a higher
priority page, a technique known as store-and-forward is used (in systems
equipped with MessageNet only). The system saves the message and plays it
into the zone when the destination zone is no longer in use.
The advantage of store-and-forward is that it allows a user to make a page
without the concern of having to check the availability of destination zones.
ControlMatrix seamlessly organizes all aspects of the replay (or “forwarding”)
of the original page.
 Creative Audio, V3.01, July 2003
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