Roland XV-88 User Manual

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Chapter 5. Creating Patches
Chapter 5
Modifying Waveforms (WAVE)
Select the PCM waveform that is to be the basis of the Tone, 
and apply effects to the waveform.
WAVE
fig.05-42
fig.05-43
Group (Wave Group)
Selects the group for the waveform that is to be the basis of 
the Tone.
INT
: Waveforms stored in internal memory
XP-A–D
: Waveform stored in a Wave Expansion Board 
installed in EXP A–D slots.
You cannot select a waveform group of a Wave 
Expansion Board that is not installed.
Number (Wave Number)
Selects the basic waveform for a Tone. Along with the Wave 
number, the Wave name appears at the right of the display.
When in monaural mode, only the left side (L) is specified. 
When in stereo, the right side (R) is also specified.
The Wave numbers can be divided and set in the first 
two and last two digits.
Gain (Wave Gain)
Specifies the gain (amplitude) of the waveform. The value 
changes in 6 dB (decibel) steps—an increase of 6 dB doubles 
the waveform’s gain. If you intend to use the Booster to 
distort the waveform’s sound, set this parameter to its 
maximum value (p. 75).
Switch (Tone Switch)
Determines whether or not the Tone will be heard in the 
Patch. In order to make best use of the available number of 
simultaneous voices, unused Tones should be turned off.
You can also set the Switch parameter on the PATCH 
PLAY page. Press TONE SWITCH [1]–[4] to switch the 
setting to ON (indicator lighted), or OFF (indicator 
extinguished) (p. 32).
Wave Tempo Sync
When you wish to synchronize a Phrase Loop to the clock 
(tempo), set this to ON. This is valid only when an optional 
Wave Expansion Board, such as “SR-JV80-10: 
BASS&DRUMS,” is installed, and you have selected a Tone 
which uses a waveform that displays tempo (BPM). For 
details, refer to 
• When the Wave Tempo Sync parameter is set to ON, 
• When the Wave Tempo Sync parameter is set to ON, set 
the Time parameter (PATCH/WAVE/TONE DELAY) to 
0. With other settings, a delay effect will be applied, and 
you will be not be able to play as you expect.
FXM (Frequency Cross Modulation)
fig.05-44
FXM (Frequency Cross Modulation) uses a specified 
waveform to apply frequency modulation to the currently 
selected waveform, creating complex overtones. This can be 
useful when creating wilder sounds or sound effects.
Switch (FXM Switch)
This sets whether FXM will be used (ON) or not (OFF).
Color (FXM Color)
Specifies how FXM will perform frequency modulation. 
Higher settings result in a grainier sound, while lower 
settings result in a more metallic sound.
Depth (FXM Depth) 
Specifies the depth of the modulation produced by FXM.
What is a Phrase Loop?
A Phrase Loop is a portion of a song that is excerpted 
with a sampler or by other means, and then played back 
repeatedly. One technique involving the use of Phrase 
Loops is the excerpting of a Phrase from a pre-existing 
song in a certain genre, for example dance music, and 
then creating a new song with that Phrase used as the 
basic motif. This is referred to as “Break Beats.”