Yamaha YRM-502 YRM-502 Owners Manual Image - Page 52

one octave.

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Fig. 42 Envelop shape for OP3 and OP4 EG of OP3 EG of OP4 Key scaling The above setting will create a voice very similar to that of an electronic piano. Next, use key scaling to shorten the high notes and compensate for the high timbre notes which are too bright. Rate scaling adjusts the attack and release times of the notes, while level scaling is used for tonal character and volume. The level scaling curve is 0 in order to reduce the intensity of higher pitched sounds. Ks Kd Rk OP1 0 6 2 OP2 0 3 2 OP3 0 6 6 OP4 0 4 3 The use of this key scaling procedure to edit the envelope shortens the overall length of the envelope across the keyboard, through more or higher notes. The original EG settings were selected with this scaling in mind. The length of the envelopes can be adjusted by the individual operator EG settings. Re-adjustment of voice data The setting of the voice components is now complete. However slight changes in almost any setting such as the EG, can still change the voice. The final voice can be "fine tuned" by the adjusting the output level of the operators and the level of feedback. For example, if you think the metallic echo is too strong, the output level of operator four can be reduced. There will be cases where the maximum or minimum frequency of the operators is exceeded and the sound will thus automatically be lowered or raised by one octave. This is changed manually by the transposing (Tr) feature. The volume is more likely to become too high in cases where there are two carriers, such as in the example given here, compared to when there is only one carrier. Thus, sometimes you will want to lower the volume while considering the balance between the carriers. The adjust feature (Aj) is useful for this. Setting only the Aj of the carriers allows the total volume to be adjusted without changing the balance between the carriers. - 49 -

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Fig.
42
Envelop
shape
for
OP3
and
OP4
EG
of
OP3
EG
of
OP4
Key
scaling
The
above
setting
will
create
a
voice
very
similar
to
that
of
an
electronic piano.
Next, use key
scaling
to
shorten
the
high
notes
and
compensate
for
the
high
timbre notes
which
are
too
bright.
Rate
scaling
adjusts
the
attack and
release
times
of
the notes,
while
level
scaling
is
used
for tonal
character and
volume.
The level
scaling
curve
is 0
in
order
to
reduce
the
intensity
of
higher
pitched
sounds.
Ks
Kd
Rk
OP1
0
6
2
OP2
0
3
2
OP3
0
6
6
OP4
0
4
3
The
use
of
this
key
scaling
procedure
to edit
the envelope
shortens
the
overall
length
of
the envelope
across
the
keyboard,
through
more
or
higher
notes.
The
original
EG
settings
were
selected
with
this
scaling
in
mind.
The
length
of
the
envelopes
can
be
adjusted
by
the
individual operator
EG
settings.
Re
-adjustment
of
voice
data
The
setting
of
the
voice
components
is
now complete.
However
slight changes
in
almost
any setting
such
as
the
EG,
can
still
change
the
voice.
The
final
voice
can
be
"fine
tuned"
by
the
adjusting
the
output
level
of
the
operators
and
the
level
of
feedback.
For
example,
if
you
think
the
metallic
echo
is
too
strong,
the
output
level
of
operator
four
can
be
reduced.
There
will
be
cases
where the
maximum
or
minimum
frequency
of
the
operators
is
exceeded
and
the
sound
will
thus
automatically
be
lowered
or
raised
by
one octave.
This
is
changed manually
by
the
transposing
(Tr)
feature.
The
volume
is
more
likely
to
become
too
high
in
cases
where
there
are
two carriers,
such
as
in
the
example
given
here,
compared
to
when
there
is
only
one
carrier.
Thus,
sometimes
you
will
want
to
lower
the
volume
while
considering
the
balance
between
the carriers.
The
adjust
feature
(Aj)
is
useful
for
this.
Setting
only
the
Aj
of the
carriers
allows
the
total
volume
to
be
adjusted
without
changing
the
balance
between
the
carriers.
-
49
-