Yamaha VL70-m User Manual

● VL70-m Controller Parameters

Any of the physical controllers listed above can be assigned to control any of
the VL70-m’s controller parameters:

The amount of breath pressure applied to a reed or mouthpiece,
or the speed of the bow applied to a string. Pressure variations
affect both volume and timbre.

The tightness of the lips against the reed or against each other.
In a string instrument voice Embouchure corresponds to how
strongly the bow is pressed against the string. Affects both pitch
and timbre.

Simulates the  half-tonguing technique used by saxophone
players by changing the “slit” of the reed. The slit is the space
between the tip of the reed and the mouthpiece.

Unlike Pressure, this parameter simply controls the volume of
the sound without varying timbre.

Drives the entire system into chaotic oscillation, creating effects
that can only be achieved with physical modeling technology.

Adds breath noise to produce exceptionally realistic effects with
many wind instruments.

A periodic pressure modulation which produces the “growl”
effect often heard in wind instruments.

Controls the  characteristics of the simulated player’s  lungs,
trachea, and oral cavity. Can add a realistic “roughness” to the
sound. Throat formant only applies to some reed-type voices.

Similar to the dynamic filters found in many conventional
synthesizers, the cutoff frequency can be varied to produce a
wide range of timbral variations. Most voices use the low-pass
filter type, but some use the bandpass, high-pass, or band
eliminate types. Some voices use very little filter processing at
all. Changing the filter settings may not produce a particularly
noticeable effect. For detailed filter parameter programming use
the VL70-m Expert Editor software (page 25).

The Harmonic Enhancer can vary the harmonic structure of the
sound over a wide range.  Since most VL70-m voices have
sufficient natural harmonic content, the Harmonic Enhancer is
actually only used on a few voices. Therefore changing the
controller destination with many voices will produce either no
change in the sound or a simple change in amplitude. For
detailed harmonic enhancer programming use the VL70-m
Expert Editor software (page 25).

Simulates the effect of damping due to losses within the body of
a wind instrument or in a string due to air friction. Affects both
pitch and timbre.

Simulates the effect of high-frequency loss at the end of the air
column or string. In the case of a wind instrument, the Damping
and Absorption parameters control the diameter and shape of
the bell.