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Oscillators

How the selected sound is built: its oscillators (layers), their key and velocity ranges, octave, transpose and tune, and which multisample each one plays.

1 min read · 2 sections · Intermediate
In this chapter you will learn
  • What an oscillator is
  • How to read the HIGH and LOW boxes
  • How to mute an oscillator to hear one layer alone

What is an oscillator?#

A KORG sound can stack several layers that play together — for example a soft accordion and a hard accordion, or a piano plus strings. Each layer is an oscillator. Every oscillator plays a multisample (a set of samples spread over the keyboard) and has its own range, octave, transpose and tune.

Select a sound in the Sound Library first, then click Oscillators in the sidebar.

Reading an oscillator card#

PA SET Explorer
Oscillators of “Acordeon Juzi”: OSC 1 plays “AC JUZI” on hard strikes and “Grand Piano L” on soft ones.
  1. 1The sound you selected in the Sound Library.
  2. 2OSC n with a tick box. Untick it to mute this oscillator when you play the sound.
  3. 3Key range (e.g. C-1 – G9), velocity range (Vel:1-127) and Vel Switch when the oscillator changes sample with velocity.
  4. 4Octave, Transpose and Tune of the oscillator.
  5. 5HIGH — what plays on hard key strikes: source (RAM or ROM), multisample number, level, and the multisample name with its number of zones.
  6. 6LOW — what plays on soft key strikes.
Oscillators of “Acordeon Juzi”: OSC 1 plays “AC JUZI” on hard strikes and “Grand Piano L” on soft ones.
TextMeaning
src=RAMThe multisample is stored in the SET (portable).
src=ROMThe multisample is one of the keyboard’s factory multisamples.
num=NThe multisample number.
lv=NThe level (volume) of that layer, 0–127.
→ "Name" (N zones)The multisample name and how many key zones it has.
→ ROM: "Name"The factory multisample used.
Pro tips
  • Untick every oscillator except one and play the on-screen keyboard to hear that layer alone. The ticks reset when you select another sound — nothing is saved.
  • If a sound has HIGH and LOW layers with Vel Switch, play the keys softly and then hard to hear the change.
  • Drum kits have no oscillators: the section says “No oscillators in this sound”. Use Details in the Sound Library instead.
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