AS 3663-1989

1 - AS 3663-1989 ACOUSTICS AND MECHANICAL VIBRATION-DEFINITIONS OF FUNDAMENTAL QUANTITIES AND THEIR EXPRESSION AS LEVELS
4 - PREFACE
4 - CONTENTS
5 - SECTION 1. SCOPE AND GENERAL
5 - 1.1 SCOPE.
5 - 1.2 REFERENCED DOCUMENT.
5 - SECTION 2. GENERAL DEFINITIONS
5 - 2.1 GENERAL.
5 - 2.2 LEVEL.
5 - 2.3 DECIBEL.
6 - SECTION 3. DEFINITIONS OF QUANTITIES AND EXPRESSION AS LEVELS
6 - 3.1 SOUND PRESSURE.
6 - 3.1.1 Sound pressure level.
6 - 3.2 SOUND POWER.
6 - 3.2.1 Sound power level.
6 - 3.3 SOUND INTENSITY.
6 - 3.3.1 Sound intensity level.
6 - 3.4 SOUND EXPOSURE.
6 - 3.4.1 Sound exposure level.
6 - 3.5 VIBRATORY DISPLACEMENT.
6 - 3.5.1 Vibratory displacement level.
6 - 3.6 VIBRATORY VELOCITY.
7 - 3.6.1 Vibratory velocity level.
7 - 3.7 VIBRATORY ACCELERATION.
7 - 3.7.1 Vibratory acceleration level.
7 - 3.8 VIBRATORY FORCE.
7 - 3.8.1 Vibratory force level.
8 - SECTION 4. PREFERRED REFERENCE QUANTITIES

Defines fundamental quantities in sound and vibration, provides equations to express these quantities as levels, and establishes reference quantities for these levels. It is substantially in agreement with ISO 131:1979.

This Standard defines some fundamental quantities in sound and vibration, provides equations to express these quantities as levels, and establishes reference quantities for these levels.