Roland SH-32 业主指南

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页码 124
30
Modifying the Sound
2
Turn [CUTOFF] to set the frequency you want to cut off (Cutoff Point).
Here you determine the Cutoff Point of the filter you selected in step 1. Turn the 
knob clockwise to raise the Cutoff Point, and turn it counterclockwise to lower it.
3
Turn [RESONANCE] to enhance the frequency near the Cutoff Point 
set in step 2.
The further clockwise you turn the knob, the more the sound takes on a unique 
character. 
4
To set the filter effect according to time lapse, use the Envelope 
sliders and [ENV DEPTH].
Slide [ENV DEPTH] to set the depth of the filter effect (either to + or -), and the 
Envelope sliders to set the time characteristics.
fig.015
[A]: Attack Time
Sets the time required for the filter’s effect to reach its peak. This time increases as 
you raise the slider.
[D]: Decay Time
Determines the time required for the transition from the peak to the sustain level. If 
the sustain level is at its maximum, this will have no effect. 
[S]: Sustain Level
Determines the level that is to be maintained after the peak has been reached. While 
you continue to press a note-entry button (or the key of a MIDI keyboard) it will be 
maintained at this level.
[R]: Release Time
Sets the time that is to pass before returning to the original cutoff value, after you 
release your finger from a note-entry button (or the key of a MIDI keyboard).
Next, let’s make the volume-related settings.
If you turn [CUTOFF] too 
much, all of the audible 
frequencies could get 
eliminated, and you may hear 
no sound.
By operating the [CUTOFF] 
and [RESONANCE] knobs you 
used in steps 2 and 3 while 
playing, you can also create a 
special effect.
Attack time slider
Sustain level slider
Decay time slider
Release time slider
You can also change the filter 
Cutoff Point by the key range 
of the note-entry buttons or 
MIDI keyboard (KEY 
FOLLOW) (p. 58).