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45
Creating a Patch
Creating a Patch
LFO (Low Frequency Oscillator)
Use the LFO to create cyclical changes—or cyclical “modulation”—in a Tone. Each Tone has two LFOs.
An LFO can be applied to the Tone’s pitch settings, TVF (filter), and TVA (volume). When an LFO is
applied to pitch, a vibrato effect is produced. When an LFO is applied to the TVF cutoff frequency, a wah-
wah effect is produced. When an LFO is applied to the TVA volume, a tremolo effect is produced.
Tips for Creating a Patch
• Choose a Patch that’s similar to the sound you wish to create.
When you want to create a new sound, it’s a good idea to begin with a Patch that’s close to the sound that
you have in mind. Starting with a Patch that bears no resemblance to the one you want to create is likely
to result in much more programming work for you. (p. 35)
• Decide which Tones will sound
When creating a Patch, it’s important to decide which Tones you want to use. It’s also important to turn
off unused Tones to avoid wasting voices, unnecessarily reducing the number of simultaneous notes you
can play. (p. 45)
• Check the way in which the Tones are combined
Structure Type 1&2 and 3&4 are important parameters that determine how the four Tones are combined.
Before you select new Tones, make sure you understand how the currently selected Tones are affecting
each other. (p. 48)
• Turn off effects
Since the XV-2020 effects have such a profound impact on its sounds, turn off a Patch’s effects during
programming so you can more clearly hear the changes you’re making. Actually, sometimes just changing
effects settings can give you the sound you want. (p. 76)
Choosing the Tones That Sound (Tone On/Off)
Here’s how to turn on the Tones that you want to hear in a Patch. You can also use the on/off technique
described in this section to audition an individual Tone by turning off all the other Tones in a Patch.
When using the editing software included with the XV-2020, make the settings in the following screen.
fig.01-14
Confirming Tones
You can confirm Tones you have selected by pressing the VOLUME knob (p. 34). You can also confirm the
Tones using the Tone editor (XV editor) included with the unit.
fig.01-15e
Click the keyboard to play the XV-2020's sounds.
Click and drag KEYBOARD CH to select the Patch's MIDI Transmit channel.
Click and drag KEYBOARD VEL to set the keyboard velocity.
Click OCT to change the pitch of the sound played in one-octave units.
The PATCH indicator change from solidly lit to flashing whenever a parameter is
edited.If you turn off the power or choose another Patch while the indicator is
blinked, you new Patch settings will be lost. If you wish to preserve them, save the
changed settings using the Write operation. (p. 92)