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FUNDAMENTAL
MECHANISM
OF THE
SYNTHESIZER
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Listen to a
radio or
television set, and
you will
find that synthesizer
music is
generally used not
only in music
programs but also as
background
music for TV and
as drama
accompaniments.
You
could say that
we are
surrounded by
synthesized
sound.
Why
are synthesizers
used so often
?
This is
because
synthesizers are capable
of
imitating the
sounds of
other instruments
and also
creating uni-
que sounds
that have never
been realized by
any
musician.
Described below .
are the
fundamental
components of a
synthesizer,, the
knowledge of
which
is essential in
order to use the
instrument at
its
best.
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Fundamental Components of
a
Synthesizer
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VCF
KEYBOARD
VCO Voltage Controlled OscUlator(1gffiiElHB$6ffi&)
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VCF Voltage Controlled Filter
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VCA Voltage Controlled Amplifier iMJ£%m*ti%&)
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VCA
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Signal
Output
Signal Flow
Controlled Signal
VCO Voltage
Controlled
Oscillator. Depress
a key, and
the VCO produces
sound.
EG
Envelope
Generator. For controlling sound rise
time and
damping
characteristics.
VCF Voltage
Controlled Filter. For
determining tone
color.
VCA
Voltage Controlled Amplifier. For
determining
sound
volume.
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By various
combinations of
the fundamental
compo-
nents
described about and by
using the many
acce-
ssories shown in
the block
diagram in the latter
part of this
manual, an
infinite variety of
tone
color can be
created.
-
2
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