1645Chapter 48
Fundamentals and Units of
Measurement
by Glen Ballou
48.1 Units of Measurement.................................................................. 1647
48.1.1 SI System.......................................................................... 164748.1.2 Fundamental Quantities............................................................... 164748.1.3 Derived Quantities................................................................... 164848.1.4 Definition of the Quantities............................................................ 164848.2 Radio Frequency Spectrum.............................................................. 1654
48.3 Decibel (dB)......................................................................... 1655
48.4 Sound Pressure Level................................................................... 1657
48.5 Sound System Quantities and Design Formulas............................................... 1658
48.6 ISO Numbers.......................................................................... 1662
48.7 Greek Alphabet........................................................................ 1663
48.8 Audio Standards....................................................................... 1663
48.9 Audio Frequency Range................................................................. 1666
48.10 Common Conversion Factors............................................................ 1666
48.11 Technical Abbreviations................................................................ 1667
48.12 Audio Frequency Range................................................................ 1678
48.13 Surface Area and Volume Equations..................................................... 1678