The Function of Controls 2
Chapter4 FILTER
The sound signal generated from the OSC is processed through the filter, which can emphasize and reject
a selected frequency range. The filter can affect
and change the sound’s brightness, boldness, and more.
P ress the [TYPE] button and select LPF(*1). The LPF controls the amount of high frequencies that pass through. Thus, it has no effect on sounds in the low frequencies.
N ext, turn the [RESONANCE] knob. Turn it all the way left (MIN), then gradually rightward to (MAX). It will start to resonate, yielding a colorful, howling sound.
If you turn the knob far too right, you will hear an
level
Turn this knob as you play
Now, set the RESONANCE knob to the “one o’clock” position.
Press this button to select LPF
frequenices that are cut
frequency
LPF
One o’clock position
On a piano, its initial sound would
Set the FILTER ENV sliders in this manner
T urn the [CUTOFF] knob as you play. Slowly turn it counter clockwise from all the way right (MAX) leftward to (MIN). The sound will gradually muffle during this process, and when it is turned left all the way, most of the sound becomes inaudible. This is due to the fact that most of the sound frequencies have been filtered out and rejected.
level
frequenices that are cut
frequency
include most of the harmonics that generates bright sound. Afterward, the sound would fade gradually,
as a decrease in harmonics will result in a dull (dark) sound. To
and play the keyboard.
cutoff frequency |
|
S(=0) | DEPTH |
|
| DEPTH |
|
|
| time | |
D | (+) | A | D | R(=0) | ||
| ||||||
| A |
|
|
|
|
Chapter
4
The Function of Controls
MINMAX
Turn this knob as you play | First, set the [CUTOFF] knob |
| to the “two o’clock” position. |
Two o’clock position
L astly, turn the [KEY FOLLOW] knob. Turn it right all the way to the (+) position; the low frequencies become softer,
and the high frequencies become brighter inversely. Try setting the knob at different positions, and play the keyboard to hear what it does.
Turn this
knob as you play
When you are finished, turn the knob all the way to the (+) position.
11
Next, let’s go to the “AMP”, where the initiation and termination of the sound are determined.
(*1) Low Pass Filter
12