Teac GigaStudio 3 - Manual (Page 279)

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You should bear a few things in mind when you want to load the included 24bit
GigaPianoII Full Modeled Gig file. Due to the 2.8Ghz recommended system for this
piano, if your system is not up to this level, you may want to use the GigaPiano provided
in a 16-bit .Gig format with sampled release-triggered resonance. This piano will not
use the GigaPulse convolution for the sound board resonance modeling and will be less
CPU intensive. It will, however, be rather demanding as far as hard disk streaming with
the pedal down and release-triggered samples.
GPII Design Notes
•Use the master Perspective control in GigaPulse in the ‘Pedal Up Resonance’ bank to
vary the amount of soundboard resonance to taste.
Adjust the relative perspective of all the ‘Pedal Up Resonance’. The nominal setting
(zero) is the exact point where the impulse response was sampled. By moving the slider,
you are applying an envelope to the IR and changing it in real time as you move the
slider control.
Another way to describe perspective is that it is like getting closer (tighter) to the
sound source or further away (looser) except for the timing aspect of mic placement.
You get the net effect of more direct signal and less reverberation, or just the opposite,
depending on the positive or negative setting.
Using the perspective, you can control the closeness of the mic placement without
affecting the timing (phase alignment) of the source the signal.