1
.
Units of Sound
The -JV-IOSD has a wide array of functions mid a
large number of parameters. In order to provide
more efficient control over the variety of sound types,
they are grouped into several units.
The Smallest Units of Sound
—
Tones
The smallest unit of sound on the -JV-IDQD is called a "Tone." A single Tone functions much like a
conventional synthesizer.
Hovifever,
you can't play
individual
Tones. The smallest unit of sound
that can
be played on the JV-IQBQ is the
Patch, and Tones should be viewed as the "sound ingredients" that
make
up a
Patch.
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Tlie PCM waveforms (or
"waves")
stored in
internal memory are
acted
upon
in
different ways depending
on the settings for the filters and
envelopes. Waves come from a variety of
sources
—
from
acoustic
instru-
ments like a piano or saxophone, from
vintage synthesizers
like the D-50 or
JP-8,
or from drums and other
percussion instruments. Some can originate as
sawtooth
or rectangular waveforms, while others are
looped
sounds or are special effects
containing
certain components of instrument sounds (such as guitar
fret noise, piano hammer sounds, and so on). In addition to these, you can install a PCM
Card
(available
separately) or Expansion Board (also
sold separately) to obtain new waves.
Combinations of Tones That Make Sounds
—
Patches
The unit of sound for normal play on the JV-1DBO is the Patch.
One Patch is a combination of up to four Tones. This means that editing
a
Patch involves
not just making
a single sound, but also requires combining a number of sound ingredients
to
make
the sound.
A Patch can be made
up
of only a single Tone, but fresher, more complex
sounds can be created by using
a number
of
Tones. The Preset Patches included when the _JV-1DSD
was shipped from the factory
contain not only
fat sounds
created
by
layering several Tones,
but also a large number made through
sophisticated
sound
creation, including those that play different
Tones in different registers, and those
that play different Tones depending on how hard
the keyboard is struck. The Patch Parameters also
include
a full set of "tools" to make the best use of these components, including effects,
output panning,
and
many others that
control how
a sound is played.
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20
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