Modulation Sensitivity - Yamaha DX1 Owner's Manual

Digital programmable algorithm synthesizer
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Fig.
49.
Delay Effect
(6)
AMD
:
99
LFO start
Af\f
delay
H/
\/
'
A/
\J
key on
Fig. 50.
Phase and Key Sync On/Off
||a.
LFO with
key sync
on.
•Normally starts
from the same
phase*
Continuous
variation.
key on
f
t
key off
key on
FFig, 51.
Operator Waveform Phase and
oscillator Key Sync On/Off
a.
Oscillator
key sync on.
-Normally
generated from
b.Oscillator key sync off.
phase
zero.
Amplitude Modulation
Depth.
This sets the
depth
of
LFO modulation applied
to
operator
output level
to
produce
trOTiolo
and wow
effects.
Effects
set by this
parameter
are
continuously
ON
and not affected
by the
FUNCTION mode controllers.
All
operators are
affected simultaneously,
*
The data range is
99.
0=OFF, at
99
the level
variation
is
maximum
(when
AHPL.
MODULATION SENSITIVITY
= 3,
variation
is 42 dB
peak-to-peak).
*
The
LCD display shows "EDIT MODE
<<LAMD>> LFO amplitude mod.
depth
(0-99) XX".
"XX" is the data.
*
No effect
is
produced when
AKPL.
MODULATION
= 0.
(7)
KEY SYNC
:
ON/OFF
Normally
the
beginning
of
the
LFO cycle
is
synchronized with key-on timing.
The KEY
SYNC function permits turning this
synchronization
ON
or
OFF.
All
operators are
affected simultaneously.
*
When
ON,
the LFO
waveform begins from
the same
phase angle at key-on
(90
degrees)
(fig.
66a).
This
is
ideal
for sound effects
which require
a
sharp
attack.
*
When
OFF,
LFO/key synchronization
is
defeated
(fig.
66b).
When KEY SYNC
is
OFF,
it is
possible
to
create
natural-sounding
chorus,
ensemble and
rotary-speaker
type effects.
*
The LCD display will read "EDIT MODE
<<LFKS»
LFO
key
synchronize
XX",
"XX"
is the data.
(8)
OSCILLATOR KEY SYNC
:
ON/OFF
(fig. 47)
Normally
the
output
of
all
operators
is
synchronized with key-on
timing.
The
OSCILLATOR KEY SYNC function permits turning
this
synchronization
ON or OFF.
All
operators are affected simultaneously,
*
When OSCILLATOR KEY SYNC
is
ON, all
operators begin output from
the same
phase angle
(0
degrees)
when
a
key is
pressed.
This
is the
normal mode
of
operation
(fig, 51a).
In
this case,
since all operators are at the same
phase
the
sound
is
smooth and
"unified".
When
the POLY (polyphonic)
mode
is set, however, the 17th note
when
the KEY
ASSIGN mode
is
set to DUAL
(16-note polyphonic)
,
the
33rd note
when the KEY ASSIGN mode
is set to
SINGLE (32-note polyphonic), and the
2nd note
when
the
MONO mode
is set,
are
likely
to
generate
noise.
*
VJhen
OFF the operator waveform key-on
synchronization
is
defeated
(fig, 51b)
This means that
the
timbre may
be
slightly different each time
a
key is
pressed.
No noise
will
be
produced,
*
The LCD display will read "EDIT MODE
<<OKS>> oscillator key synchronize XX".
"XX"
indicates the ON/OFF status.
key on
'*
Waveform carried on
to
t
next note,
key on
29

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