APPLIED ACOUSTICS SYSTEMS Strum Acoustic GS-1, Руководство пользователя

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6.6 Edit Mode 59
The excitation force produced by the plectrum when interacting
with the string is determined by the Jut , Speed , Stiffness and Damp-
ing parameters. The Stiffness and Damping parameters determine
the flexibility of the plectrum or in other words the resistance it ex-
erts against the string. Increasing the value of these parameters will
mainly increase the amplitude of the sound. The
Stiffness parameter
is used to control the stiffness of the plectrum used. Increasing this
parameter, by turning the knob clockwise, results in thicker or stiffer
plectrum. The
Damping parameter controls the amount of damping
in the plectrum. The parameter is mainly effective during the attack
of notes. Raising its value, by turning the
Damping knob clockwise,
results in additional impact noise when the plectrum first comes into
contact with the string when attacking a note. These two parameters are modulated with the note
velocity trough the use of the
Velocity
knob. When the knob is in its leftmost position, there is
no modulation from the MIDI note velocity; turning this knob clockwise gradually increases the
amount of modulation.
The Jut parameter enables one to control the distance between the edge of the plectrum and the
string when they come into contact. In other words it simulates how far behind the string, a guitar
player introduces the plectrum before picking the string. This parameter affects the loudness and
the spectral content of the sound as well as the the interaction time between the plectrum and the
string. This parameter can also be modulated with the MIDI note velocity signal using the
Velocity
knob below. The Speed knob is used to control the speed of the plectrum relatively to the string.
The main effect of this parameter is to determine the interaction time between the plectrum and the
string.
The Edge parameter is used to determine the sharpness of the edge of the pick. It is used to
fine-tune the profiles of the three different plectrum models which affects the shape of the force
signal exerted by the plectrum on the string and therefore the tone of the resulting sound. Turning
this knob clockwise results in a rounder edge and a softer sound while turning it clockwise makes
it sharper with more high frequencies in the tone. Finally, the
Position
knob is used to control the
position of the interaction point of the plectrum along the string. This is a parameter currently used
by guitar players to change the tone of the sound. In its leftmost position, the pick is very close to
the bridge resulting in a more metallic sound. Turning the knob clockwise moves the pick toward
the fretboard resulting in a rounder sound.