Floating-Point Numbers
Logarithms, Decibels, and Number Systems
When Do We Have to Swap Bytes When Changing Computers?
Global JOS Index
Index
Since hearing is approximately logarithmic, it makes sense to represent
sound samples in a logarithmic or semi-logarithmic number format.
Floating-point numbers in a computer are partially logarithmic (the
exponent part), and one can even use an entirely logarithmic fixed-point
number system. The -law amplitude-encoding format is linear at small
amplitudes and becomes logarithmic at large amplitudes. This section
discusses these formats.
Subsections
Floating-Point Numbers
Logarithms, Decibels, and Number Systems
When Do We Have to Swap Bytes When Changing Computers?
Global JOS Index
Index
``Music 320 Reader I: Mathematics of the Discrete Fourier Transform (DFT)''
by Julius O. Smith III,
(Course Reader, Music 320).
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Copyright © 2001-10-31 by Julius O. Smith III
Center for Computer Research in Music and Acoustics (CCRMA),
Stanford University
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