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Roland JX-305 - Creating Time-Varying Change in Volume; (Amplifier Envelope)

Roland JX-305
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Causing pan to change randomly
(Random Pan Switch)
This setting causes the stereo location to change ran-
domly each time a note is played.
1. In the REALTIME MODIFY section, press [FIL-
TER/AMP/PITCH] several times to make the
AMP indicator light.
2. Hold down [FILTER/AMP/PITCH] and use
[INC] [DEC] or the [VALUE] dial to turn the
Random Pan Switch on/off.
fig.6-24 (#MC fig.3-120)
* The Rhythm Tone Pan setting will be ignored by rhythm
tones for which the Random Pan Switch is turned on.
Creating Time-Varying Change in
Volume (Amplifier Envelope)
On acoustic instruments, change in volume occurs
over the duration of each note. For example, on a
piano, the volume reaches the maximum level imme-
diately, and then gradually decays to silence (decay-
type instruments). On instruments such as an organ,
the volume remains constant as long as the note is
held (sustain-type instruments). The A-ENV (amplifier
envelope) parameters let you specify this type of time-
varying change in volume (the Amplifier Envelope).
Amplifier envelope settings
1. In the REALTIME MODIFY section, press [FIL-
TER/AMP/PITCH] several times to make the
AMP indicator light.
2. Press [ENVELOPE/LFO1/EFFECTS] several
times to make the ENVELOPE indicator
light.
3. Use the [ATTACK] / [DECAY] / [SUSTAIN] /
[RELEASE] knobs to adjust the amplifier
envelope values.
Range: 0–127
●●●●●●●●●●●●●●●●●●●●●●●●●●●●●●●●●●●●●●●●●●●●●●●●●●●●●●●●●●●●●●●●●●●●●●●●●●●●●●●●●●●●●●●●●●●●●●●●●●●●
With both the AMP and ENVELOPE indicators lit,
hold down [ENVELOPE/LFO1/EFFECTS], and use
[INC] [DEC] or the [VALUE] dial to set the Amplifier
Envelope Attack Depth.
●●●●●●●●●●●●●●●●●●●●●●●●●●●●●●●●●●●●●●●●●●●●●●●●●●●●●●●●●●●●●●●●●●●●●●●●●●●●●●●●●●●●●●●●●●●●●●●●●●●●
fig.6-26TEXT (#MC fig.3-123)
[ATTACK] (Attack Time)
The time from when the keyboard is played until the
maximum volume is reached.
Higher settings will cause the volume to change over a
longer time.
[DECAY] (Decay Time)
The time from when the maximum volume is reached
until the Sustain Level is reached.
Higher settings will cause the volume to change over a
longer time.
[SUSTAIN] (Sustain Level)
The level at which the volume reaches a steady state.
Higher settings will also raise the volume.
[RELEASE] (Release Time)
The time from when the keyboard is released until the
volume decays to silence.
Higher settings will cause the volume to change over a
longer time.
DEC INC
FILTER
AMP
PITCH
ONOFF
Chapter 6. Creating an Original Rhythm Set (Rhythm Edit)
95
6

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