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Program Mode
Editing VAST Programs With KVA Oscillators
8 Block:
SYNC SQUARE (master) >>, >>SYNC SQUARE (slave)
See above, Setting Up The Sync Square Oscillator: on page 6‐55.
Use Of Keymaps and Natural Amplitude Envelopes With KVA Oscillators:
Keymaps are important in layers using KVA oscillators, even though their samples are not
usually heard in these layers (see the note below for exceptions.) Keymap selection is important
because the maximum amplitude set for each key in the keymap is applied to the oscillator. For
most uses of KVA oscillators, users will want to use the 999 Silence keymap because each key in
the keymap is set to the same maximum amplitude, unlike many instrument keymaps. The 999
Silence keymap ensures uniform amplitude behavior of an oscillator, and with the amplitude
envelope set to user mode, users can easily shape all aspects of an oscillator's amplitude. The
PC3K also has the ability to apply natural amplitude envelopes to oscillators. With an amplitude
envelope set to natural mode, each oscillator note takes on the amplitude qualities of each
sample in a keymap (with each note relative to sample key placement.) Each sample in a
keymap has a natural envelope that was created during it's original development process.
Natural envelopes have much more detail than what is possible to create with the user
amplitude envelope, and they are useful when trying to mimic specific instrument amplitude
envelopes. When using this technique, remember that the maximum amplitude of each key is
set by the current keymap. You can still control the overall parameters of a natural envelope by
using the ENVCTL page. See the programs 213 Perc>Morph>Bass & 315 ElectroPercSynth for
examples of KVA layers that use this technique. Each program uses percussion keymaps with
natural envelopes to produce a fast, percussive attack. Also note that when using a KVA
oscillator and a keymap other than 999 Silence, the layer will use the name of the keymap in the
info box on the main Program page, even though it is not the true sound source of the layer.
Note: The samples from a keymap are not heard when using an oscillator, unless an algorithm is used to
route the keymap signal around the oscillator and into a MIX function block, or unless it is an oscillator
that processes its audio input.
6-59
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