
7 Vox Populi" Evolutionary Computation for Music Evolution
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7.2
SOU N D ATTRI BUTES
For our purposes, a sound, or an auditory event, is characterized by four parame-
ters: pitch, timbre, loudness, and duration.
Pitch
can be defined as the auditory property of a note that is conditioned by
its frequency relative to the other notes. The range of musical pitch has been de-
fined as the range within which the interval of an octave can be perceived. This
has been found to correspond roughly to the range of the piano. From this con-
tinuum of frequencies, a set of ...