Information Technology Reference
In-Depth Information
Physical Modelling: Simulating the physical
behaviour of a real object or system. From an
audio point of view, this means simulating how
an object vibrates in the audible frequency range.
Digital Waveguide Synthesis: A physical
modelling synthesis technique that models the
vibrations of a system as travelling waves. It is
particular efficient for 1D systems with a harmonic
frequency spectrum.
Modal Synthesis: A physical modelling syn-
thesis technique which generates sound as a sum
of decaying sinusoids.
Discretise: The process of making a continu-
ous model or function discrete. Usually this is
performed so a problem can be solved numeri-
cally or implemented digitally using a computer.
Inharmonic: Describes a spectrum in which
the higher frequencies (partials) are not integer
multiples of a fundamental frequency.
Procedural Audio: Audio that is generated at
run time from information on sound producing
events. Sound generation algorithms are derived
from analysis of real sound producing systems.
This analysis may be physics based, phenomeno-
logical, or a mixture of these.
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