User Manual

ARTURIA – BRASS 2 – USER’S MANUAL
81
8.2.1.2 The virtual trumpeter/trombonist
To define and shape the essential role held by a musician, an artificial mouth was
constructed: the experimental device was fed in compressed air and possessed latex lips
that really played the trumpet. It is, in any case, much easier to measure the pressure at
the interior of an artificial mouth than to convince a real musician to pierce his cheek!
One other advantage of the artificial mouth is to allow those conducting the experiments
to modify one parameter of the cheek at a time and study the consequences of the sound
produced at his leisure (an artificial mouth doesn’t need to breathe). It is ideal for
dissecting the physical mechanism playing a part of the production of sound and allows
us to propose some convincing physical models in BRASS 2.
Comparison Chart
8.2.1.3 The Physical Model
The physical model is the ensemble of equations that explain in mathematical language
the different phenomenon in physics, and are well-understood thanks to the studies of