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S90 XS/S70 XS Reference Manual - zZounds.com

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Basic Structure<br />

LFO (Low Frequency Oscillator)<br />

As its name suggests, the LFO produces a low frequency wave.<br />

These waves can be used to vary the pitch, filter or amplitude of each Element to create effects such as<br />

vibrato, wah and tremolo. LFO can be set independently for each Element; it can also be set globally for<br />

all Elements. The LFO parameters can be set from the <strong>S90</strong> <strong>XS</strong>/<strong>S70</strong> <strong>XS</strong> Editor.<br />

For details, refer to pages 40 and 56.<br />

Memory structure of Voice<br />

Normal Voice<br />

Preset Banks 1 – 8<br />

GM Bank<br />

User Banks 1 – 4<br />

Drum Voice<br />

Preset Drum Bank<br />

GM Drum Bank<br />

User Drum Bank<br />

1024 Normal Voices (128 Voices for each Bank)<br />

128 Voices<br />

512 Voices (128 Voices for each Banks)<br />

64 Voices<br />

1 Voice<br />

32 Voices<br />

Tone Generator Block in the Performance Mode<br />

Part structure in the Performance mode<br />

Basic Structure<br />

Functional Blocks<br />

Tone Generator<br />

A/D Input<br />

Arpeggio<br />

Sequencer<br />

Audio Record/Play<br />

Controller<br />

Effect<br />

Internal Memory<br />

<strong>Reference</strong><br />

Voice<br />

Performance<br />

Multi<br />

SEQ Play<br />

Master<br />

Remote<br />

File<br />

Audio Rec/Play<br />

Utility<br />

In this mode, the tone generator block receives MIDI data over a single channel. This status is referred<br />

to as a “single timbre” tone generator. This mode lets you play a Performance (which multiple Voices<br />

(Parts) are <strong>com</strong>bined—in a layer, or in other configurations) using the keyboard. Keep in mind that song<br />

data on an external sequencer consisting of multiple MIDI channels will not play back properly in this<br />

mode. If you are using an external MIDI sequencer or <strong>com</strong>puter to play the instrument, make sure to use<br />

the Multi mode.<br />

Appendix<br />

About MIDI<br />

Display Messages<br />

Troubleshooting<br />

Performance<br />

A program in which multiple Voices (Parts) are <strong>com</strong>bined in a layer, or in other configurations is referred<br />

to as a “Performance.” Each Performance can contain up to four different Parts (Voices). Each<br />

Performance can be created by editing parameters unique to each Part and parameters <strong>com</strong>mon to all<br />

the Parts in the Performance mode (page 69).<br />

Memory structure of Performance<br />

Four User Banks are provided. Each Bank contains 128 Performances. Accordingly, a total of 512 User<br />

Performances are provided.<br />

Tone Generator Block in the Multi Mode<br />

Part structure in the Multi mode<br />

The Multi mode lets you use 16 Parts and assign different Voices to be played back for each Part. Since<br />

different MIDI channels can be set for each Part of the tone generator block, you can use an external<br />

MIDI sequencer or <strong>com</strong>puter to play the sounds. The sequence data of each track plays the<br />

corresponding Parts (those having the same MIDI channel assignment) in the tone generator block. A<br />

MIDI tone generator that simultaneously receives over multiple MIDI channels and plays multiple<br />

instrument Parts is referred to as a “multi-timbral” tone generator.<br />

To play the tone generator block in the Multi mode, set the Port of the external sequencer to 1 then set<br />

the MIDI Receive Channel of each Part as “Receive Ch” (page 101) in the Voice display of the Multi Part<br />

Edit.<br />

<strong>Reference</strong> <strong>Manual</strong><br />

6

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