Yamaha YRM-502 YRM-502 Owners Manual Image - Page 30

Parameters

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Parameters Algorithms (Al) This selects the algorithm from the eight algorithm patterns available. Select the number of the desired algorithm after moving the cursor to the Al position. Changing the algorithm can cause a significant change in the voice. The various algorithm patterns have the configurations shown in the following diagram. An operator functions as a modulator when its output goes to another operator, and as a carrier when its signals are output directly. A general rule of algorithms is that the fewer carriers there are (thus the more modulators), the more complex the voice will become, and the easier it will be to create noise components (broad band frequency spectra). Fig. 24 Algorithmpatterns of the FM Sound Synthesizerunit T 2 34 CD 2 3 4 2 3 4 3 2 2 2 3 4 4 3 4 2 2 4 3 3 4 Feedback (Fb) Operator 1 has a feedback feature which allows that operator to modulate itself. The high-frequency components will increase and the voice will change considerably as the amount of feedback increases. The amount of feedback can be set within the range of 0 to 7. You may check the effect of the feedback by using algorithm 8 and turning operators 2, 3, and 4 OFF. Fig. 25 Feedback Operator1 Feedback (0 ^, 7) - 26 -

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Parameters
Algorithms
(Al)
This
selects the
algorithm
from
the
eight
algorithm
patterns available.
Select
the
number
of
the desired
algorithm
after moving
the
cursor
to
the
Al
position.
Changing
the
algorithm
can
cause
a
significant
change
in
the
voice.
The
various
algorithm
patterns
have
the
configurations
shown
in
the
following
diagram.
An
operator functions
as
a
modulator
when
its
output
goes
to another
operator, and
as
a
carrier
when
its
signals
are
output
directly.
A
general rule
of
algorithms
is
that
the fewer
carriers
there
are
(thus
the more
modulators),
the
more
complex the voice
will become,
and
the
easier
it
will
be
to
create noise
components
(broad
band
frequency
spectra).
Fig.
24
Algorithm
patterns
of
the
FM
Sound
Synthesizer
unit
2
3
CD
4
2
T
3
4
2
3
4
3
2
2
4
3
2
3
4
4
2
2
4
3
3
4
Feedback
(Fb)
Operator
1
has
a
feedback
feature
which
allows
that operator
to
modulate
itself.
The
high
-frequency
components
will
increase
and
the voice
will
change
considerably
as
the
amount of
feedback
increases.
The
amount
of
feedback
can
be
set
within
the
range
of
0
to
7.
You
may
check
the
effect
of
the
feedback
by
using
algorithm
8
and
turning
operators
2,
3,
and
4
OFF.
Fig.
25
Feedback
Operator1
Feedback
(0
^,
7)
—
26
—