A Sound Engineers Guide to Audio Test and Measurement

Section 3

Fundamentals and Units of Measurement

Glen Ballou

3.1. Units of Measurement

3.1.1 SI System

3.1.2 Fundamental Quantities

3.1.3 Derived Quantities

3.1.4 Definition of the Quantities

3.2. Radio Frequency Spectrum

3.3 decibel (dB)

3.4 Sound Pressure Level

3.5 Sound System Quantities and Design Formulas

3.6 ISO numbers

3.7 Greek Alphabet

3.8 Audio Standards

3.9 Audio Frequency Range

3.10 Common Conversion Factors

3.11 Technical Abbreviations

3.12 Audio Frequency Range

3.13 Surface Area and Volume Equations

3.1. UNITS OF MEASUREMENT

Measurements are the method we use to define all things in life. A dimension is any measurable extent such as length, thickness, or weight. A measurement system is any group of related unit names that state ...