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GROUP 2-
BRASS INSTRUMENTS
4
TRUMPET
Most
brass
sounds can be
synthesized
by
starting
with the sawtooth wave.
The
settings
of
ENV-1
are
typical
of
all
brass
instruments.
The
VCF
ENV-1
slider
can be used
to control
the tone
quality of
the
trumpet
sound.
For example,
set
at
"10",
the
trumpet sound
is
very
bright;
but
set at
about
"7"
or "8", the
trumpet becomes
more
mellow.
Also, try
adding delayed
vibrato
(as
shown
with the oboel
and autobend.
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HORN
The
horn,
like
the
flute,
produces
a
sound
which
is
relatively
pure.
The main
difference, besides
pitch range,
is
the
absence
of the
flute-like
growl.
As
with other
brass
sounds, the
setting
of the
Envelope
Generator
controls
and
the
VCF
ENV-1
control are
important
in
determining
the
sound
quality of
the horn.
Try adding portamento
to
get
trombone-like
glissandos.
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TUBA
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The
tuba
uses
the 32'
sawtooth wave.
Also
try
setting
the
TRANSPOSE
switch to
"L"
for a
very
deep
tuba.
Try
adding
a
little
growl with
the
VCF
LFO/S/H
control (switch at
LFO).
Notice
that
in this,
and
the
other
brass
sounds,
that
Envelope Generator
1
is
used
to control
the progression of
harmonics
in
the
brass
sounds
while
Envelope Generator
2
is
used merely
to
"open" and
"close" the
VCA.
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This
sound
is
enhanced by
using
a
graphic equalizer
or
your
amplifier
tone
controls to
accent the
bass
frequencies.
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25
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