Roland V-Synth GT - What Is COSM

12
What is COSM?
01
COSM (Composite O
b
ject Soun
d
Mo
d
e
l
ing) is proprietary Ro
l
an
d
tec
h
no
l
ogy t
h
at uses DSP
technolog
y
to model ph
y
sical characteristics such as the structure of an object, materials, electric
-
it
y
, electronic circuits, and magnetism in order to calculate the e ect the
y
have on the sound that
r
eaches the human ear as vibrations in the air
.
T
he V-Synth GT provides two COSM units as extensions o
f
a conventional analog synthesizer’s

lters.
In addition to the

lters o
f
a conventional synthesizer, these provide unique

lters
f
ound only on the
V-S
y
nt
h
, suc
h
as
S
BF
(
Side Band Filter) and TB  lter. You can also appl
y
various modeling t
y
pes such as
amp, speaker, or acoustic guitar bod
y
resonances, as well as e ects such as compressor and distortion.
COSM types provided by the V
-
Synth GT
COSM
types
provided
by
the
V Synth
GT
When
y
ou pla
y
a chord, the e

ect produced b
y
a conventional e

ect processor will appl
y
to the combined sound o
f
all notes o
f
the chord. However the V-Synth GT’s COSM e

ects
are applied individually to each note within the chord
.
✍
O
verdrive/Distortion
T
his simulates the sound of overdrive
p
ro
d
uce
d
b
y vacuum tu
b
es, an
d
t
h
e in
-
t
ense distortion sounds of a
g
uitar amp
.
Wave S
h
apin
g
Th
is a
ll
ows you to create a
d
istinctive
d
i
sto
r
t
i
o
n
t
h
at
i
s
e
v
e
n m
o
r
e
in
te
n
se
t
h
a
n
O
verdrive or Distortion
.
Amp
Simulator
This simulates a guitar amp to add natural
-
Speaker
Simulator
This simulates a speaker. It does not
s.
a
l
a
w
s
e
sounds to
p
revent distortion.
between the fundamental and the over-
tones, allowing
y
ou to create unusual
o
v
e
r
to
n
e
st
r
uctu
r
es.
Lo
-
Fi
Processor
Th
is
l
ets you
l
ower t
h
e
b
it-
d
ept
h
or
samp
l
e rate
.
TB
Filter
T
his is based on an analysis o
f
the

lter o
f
t
h
e
R
o
l
a
n
d
TB-
303.
a
r