Elektron Analog Four Full Reference Manual Download

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A-2

Appendix A: SYNTH TRACK PARAMETERS

OSC 2 (page 1)

TUN

(OSC2 Coarse Tune) sets the pitch of the oscillator in semi-

tones. To jump a whole octave, press the knob while turning it.

FIN

(OSC2 Fine Tune) fine tunes the pitch of the oscillator. This

knob can be continuously tweaked several turns.

TUN

increased or decreased one semitone for every turn on

FIN

DET

(OSC2 Linear Detune) offsets the frequency of the oscillator

by a certain number of hertz (unlike

FIN

, which adjusts the pitch

in cents). This unique feature gives more detune in the bass
notes, and allows for a different kind of chorus-like detune that
reminds of very old and big analog synthesizers.

TRK

(OSC2 Keytrack) sets the oscillator pitch to follow the notes

you play or not. When off, the pitch is constant, which can be
convenient for drum or effects sounds.

LEV

(OSC2 Level) sets the oscillator level. Normal level is 100.

The sound can get dirtier at higher levels; lower levels gives a
cleaner signal through the filters and also makes filter reso-
nances more pronounced. Try different levels for different kinds
of sounds.

WAV

(OSC2 Waveform) sets the oscillator waveform to Saw-

tooth, Transistor Pulse, Pulse, or Triangle. It is also possible to
choose one of the two External Inputs (to send external sounds
through the filters) or to activate Neighbor, which will route the
audio of the previous track to the currently active track. Note that
selecting a waveform does not change the

parameter, which

affects the waveshape of the chosen waveform.

SUB

(OSC2 Sub Oscillator) sets the waveform of the sub oscilla-

tor, or turns it off. The sub oscillator pitch is fixed at one or two
octaves below the oscillator.

(OSC2 Pulsewidth) sets the oscillator waveshape. The mid

position (64) gives the default waveshape. Unlike on most
synths, all four waveforms, selected by

WAV

, have variable

waveshapes.

SPD

(OSC2 PWM Speed) sets the speed of the oscillator's

PWM

LFO, which can be used to modulate the waveshape back and
forth around the set

parameter.

PWM

(OSC2 PWM Depth) sets the amount of the oscillator's

Pulsewidth Modulation around the set

parameter. Use this to

add subtle or drastic motion to the sound.

OSC (page 2)

AM1

(Osc1 AM) engages Amplitude Modulation on Oscillator 1,

which means that its signal is switched on/off (multiplied) by the
pulse wave of Oscillator 2. This introduces new harmonics with
frequencies being the sum and difference frequencies of the har-
monics of the two oscillators. The result is related to ring modula-
tion and can give metallic, hollow, or disharmonic sound
qualities. Note that the waveform and pulse width of Oscillator 2
also affects the result, even if that oscillator is not heard.

SMD

(Sync Mode) enables oscillator sync between the two oscil-

lators, either Osc2 synchronized to Osc1, Osc1 to Osc2, or Metal
Sync where both oscillators reset each other in a special man-
ner.

SNC

(Sync Amount) sets the amount or "hardness" of the oscil-

lator sync, meaning how hard the synced oscillator will lock to
the syncing oscillator's frequency. Maximum value gives so-
called "hard sync" with the strongest sync sound. Lower values
gives "soft sync" where the synced oscillator can lock also to
subharmonics of the syncing oscillator. The value zero gives no
sync at all.

BND

(Bend Depth) sets the amount of auto bend. The higher the

setting, the more the pitch of a trigged note will be offset. The
sound will then glide towards its right pitch. This parameter is
particularly useful in drum sounds or sync sweeps; if oscillator
sync is engaged (

SMD

) then only the synced oscillator will bend.

SLI

(Note Slide time) sets the slide time of note slides, set in the

NOTE SLIDE menu, and also the autobend time (

BND

AM2

(Osc2 AM) engages Amplitude Modulation on Oscillator 2,

which means that its signal is switched on/off (multiplied) by the
pulse wave of Oscillator 1. See

AM1

above.

TRG

(Oscillator Retrig) lets the two oscillators start each note in

phase with each other. This can give a stronger and more con-
sistent bass punch thanks to constructive interference, and can
also change the sound character in other ways.

FAD

(Vibrato Fade) sets the fade-in or fade-out of the vibrato.

The mid position (0) gives a constant vibrato. Positive values
give a fade-out, negative values give a fade-in.

SPD

(Vibrato Speed) sets the frequency of the vibrato LFO

affecting both oscillators.

VIB

(Vibrato Depth) sets the amount of vibrato, ranging from

subtle variations to wild sweeps.

OSCILLATOR 2

The OSC2 pages control the second oscillator and the accompanying suboscillator. Settings that will affect
both oscillators are found here as well.