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Logarithms and Decibels

This appendix provides an introduction to logarithms (real and complex) and decibels, a quantitative measure of sound intensity. Several specific dB scales are defined, and dynamic range considerations in audio are considered.


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[How to cite this work] [Order a printed hardcopy]
``Mathematics of the Discrete Fourier Transform (DFT), with Music and Audio Applications'', by Julius O. Smith III, W3K Publishing, 2003, ISBN 0-9745607-0-7.
Copyright © 2007-02-02 by Julius O. Smith III
Center for Computer Research in Music and Acoustics (CCRMA),   Stanford University
CCRMA  [Automatic-links disclaimer]