Contents

period one Fundamentals of Sound		1
	What is Sound?	2
	Octave Bands	6
	Sound Power and Sound Pressure	9
period two Sound Perception and Rating Methods		15
	Human Ear Response	15
	Single-Number Rating Methods	17
	Octave-Band Rating Method	28
period three	Acoustical Analysis	29
	Setting a Design Goal	30
	Source–Path–Receiver Analysis	32
	Sound-Path Modeling	37
	Terms Used in Sound-Path Modeling	41
period four Equipment Sound Rating		47
	Fields of Measurement	48
	HVAC Equipment Sound Rating	54
period five	Review	63
	Quiz	68
	Answers	70
	Glossary	71

TRG-TRC007-EN

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