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27
[35]
PERCUSSIVE
SOUND
I
The
pitch
varies
depending
on which
key
you
press,
and
many
l<inds
of percussive
sounds
can be obtained.
The
innpression of
the
sound
can be
changed
slightly
by
adjusting the
D
in
the
ENV.
Adding
Noise
as
a
sound
source
might have an
interesting effect.
CSD
[36]
PERCUSSIVE
it
is
effective
to
add
CHORUS
and
play
in
a
SOUND
II
normal
way
(with chords).
CJED
Oi-D3Di
[37]
SYNTHESIZER
The
pitch of
the
drum
can be
changed by
DRUM
adjusting
the
FREQ
in
the
VCF.
S!
[38]
WHISTLE
As
the
sound
is
made
by
the
VCF
in
Self Os-
cillation,
an
accurate pitch
is
not
necessarily
obtained.
When
accuracy
is
required,
adopt
the
method
of extracting the
fundamental
from
the
sawtooth
wave
of
the
DCO
to
make
a
sine
wave
(see
example
[7]
).
TRANSPOSE
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