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2-1
There are a few fundamental concepts that are necessary to understand when working with
emergency voice/alarm communications systems. This chapter introduces basic concepts of
sound, but is not intended to be an exhaustive treatment of the subject.
Note: Refer to the “Related Documentation” section at the beginning of this manual for
publications containing in-depth discussions of sound and speech.
Refer to the page number listed in this table for information on a specific topic:
Topic See Page #
Basic Audio Math 2-2
Sound and Hearing 2-4
The Nature of Speech 2-5
Room Acoustics 2-6
Speaker Basics 2-9
Distributed Wall Mounted Systems 2-15
Chapter 2
Background Information
Introduction
In this Chapter