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Roland JX-305 - Brightness-Related Settings (Filter); Modifying the Brightness of the Sound (Filter)

Roland JX-305
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Time1–4 (Pitch Envelope Time 1–4)
Specifies the time until the next pitch level is reached.
You can set the four parameters Time1–4.
Range: 0–127
Higher settings will result in a longer time until the
next pitch level is reached.
* The front panel parameter [ATTACK] (Attack Time) cor-
responds to Time1, [DECAY] (Decay Time) to Time3,
and [RELEASE] (Release Time) to Time4.
Level1–4 (Pitch Envelope Level 1–4)
Specifies the pitch difference relative to the normal
pitch (as specified by Coarse Tune and Fine Tune).
You can set the four parameters Level1–4.
Range: -63–+63
Positive (+) settings will raise the pitch above the nor-
mal pitch. Negative (-) settings will lower the pitch
below the normal pitch.
* The front panel parameter [SUSTAIN] (Sustain Level)
corresponds to Level3.
Brightness-Related Settings
(Filter)
The FILTER parameters let you make settings that
affect the brightness of the percussion instrument
sounds.
Modifying the Brightness of the
Sound (Filter)
Selecting the type of filter (Filter Type)
Select the type of filter.
1. In the REALTIME MODIFY section, press [FIL-
TER/AMP/PITCH] several times to make the
FILTER indicator light.
2. Hold down [FILTER/AMP/PITCH] and use
[INC] [DEC] or the [VALUE] dial to select the
Filter Type.
fig.6-14 (#MC fig.3-110)
Avairable settings:
OFF:
The filter will not be used.
LPF (Low Pass Filter):
This is the most common type of filter, and allows fre-
quencies below the cutoff frequency to pass. It is used
to make the sound more mellow.
BPF (Band Pass Filter):
This filter allows frequencies in the region of the cutoff
frequency to pass, and cuts the rest. It is useful for cre-
ating sounds with a distinctive tone.
HPF (High Pass Filter):
This filter allows frequencies above the cutoff frequen-
cy to pass. It is appropriate for creating percussion
instrument sounds with a distinctive high frequency
range.
PKG (Peaking Filter):
This filter boosts the overtones in the region of the cut-
off frequency. It allows you to simulate the resonance
of a drum.
Brightening the sound
(Cutoff Frequency)
Specifies the frequency at which the filter will begin to
affect the frequency components of the waveform (the
Cutoff Frequency). By changing the cutoff frequency,
you can control the brightness of the sound.
1. In the REALTIME MODIFY section, press [FIL-
TER/AMP/PITCH] several times to make the
FILTER indicator light.
2. Rotate the [CUTOFF] knob to adjust the cut-
off frequency value.
fig.6-15 (#MC fig.3-111)
Range: 0–127
The effect will depend on the Filter Type.
CUTOFF
LEVEL
PORTA TIME
FILTER
AMP
PITCH
Chapter 6. Creating an Original Rhythm Set (Rhythm Edit)
90
6

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