Roland XV-88 owner manual Waveform to create a decay that is longer than the original

2.Press [UTILITY], getting its indicator to start blinking.

3.Press the numeric key [2], then or to call up the RHYTHM KEY COPY page.

Copy source Rhythm Set		Copy source
(group, number)		Rhythm Set name
	Copy source Key		Copy destination Key

4.Press the cursor buttons to move the cursor to the parameter you want to set.

5.Either rotate the VALUE dial or press [INC/+]/[DEC/-] to set the value.

•To specify the currently selected Rhythm Set as the copy source, set Source to TEMP.

•When the cursor is located at Source, you can also use [USER], [PRESET], and [A]–[F] to select a Rhythm Set group, and then use numeric keys to specify the Rhythm Set number.

•When the cursor is located at Key, you can also press the keyboard to select the key.

•By using TONE SELECT [1]–[4], you can also select the copy source key. By using TONE SWITCH [1]–[4], you can select the copy destination key.

TONE SELECT/SWITCH [1]: move to an octave lower key

TONE SELECT/SWITCH [2]: move to the semitone below

TONE SELECT/SWITCH [3]: move to the semitone above

TONE SELECT/SWITCH [4]: move to an octave higher key

6.Press [ENTER] to execute the copy operation.

When the Copy operation is executed, an * symbol will be displayed in front of the copy-destination Part.

7.Press [UTILITY] to return to the previous page.

Cautions When Selecting a Waveform

The sounds of the XV-88 are based on complex PCM waveforms, and if you attempt to make settings that are contrary to the type of the original waveform, the results will not be as you expect.

The XV-88’s internal waveforms fall into the following two groups.

Chapter 6. Creating Rhythm Sets

One-shot: These waveforms contain sounds that have short decays. A one-shot waveform records the initial rise and fall of the sound. Some of the XV-88’s one-shot waveforms are sounds that are complete in themselves, such as percussive instrument sounds. The XV-88 also contains many other one- shot waveforms that are elements of other sounds. These include attack components such as piano-hammer sounds and guitar fret noises.

Looped: These waveforms include sounds with long decays as well as sustained sounds. Loop waveforms repeatedly play back (loop) the portion of the waveform after the sound has reached a relatively steady state. The XV-88’s looped waveforms also include components of other sounds, such as piano-string resonant vibrations and the hollow sounds of brass instruments.

Cautions When Using a One-shot Waveform

It is not possible to use the envelope to modify a one-shot	6
	Chapter
waveform to create a decay that is longer than the original
waveform, or to turn it into a sustaining sound. If you were
to program such an envelope, you would be attempting to
shape a portion of the sound that simply doesn’t exist, and
the envelope would have no effect.

Cautions When Using a Loop

Waveform

With many acoustic instruments such as piano and sax, extreme timbral changes occur during the first few moments of each note. This initial attack is what defines much of the instrument’s character. For such waveforms, it is best to use the complex tonal changes of the attack portion of the waveform just as they are, and to use the envelope only to modify the decay portion. If you attempt to use the envelope to modify the attack portion as well, the characteristics of the original waveform may prevent you from getting the sound that you intend.

Level

Looped portion

Tone change stored with the wave

Time

Envelope for the TVF filter

Resulting tone change

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