Magma EOwave Instrukcje Operacyjne Pobierz pdf (Strona 20)

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5. SOUND GENERATION 5. SOUND GENERATION

5.4. Amplier (VCA)

TheVCAhasonlyonesinglecontrol–theVOLUME knob. It adjusts the output level of

MAGMA´s audio output. Its setting is not saved as part of a preset.

Dynamic level control is achieved by envelope 1 and MIDI velocity data.

5.6. Envelope section

MAGMA is equipped with three envelope generators for modulation tasks. Envelopes 1 and 2 are fully-fea-

turedADSRtypes,envelope3isofamorebasicADvariety.Pleaserefertothefollowingtwogurestoget

an idea of what the envelope parameters are about.

The two envelopes are connected to different functions:

• Envelope 1 controls the VCA, that is, the signal level.

• Envelope 2 controls VCF cut-off frequency, that is, the brightness of the sound.

• Envelope 3 controls VCO pitch.

The envelope controls are:

• A: Attack time (envelope 1,2,3)

• D: Decay time (envelope 1,2,3)

• S: Sustain level (envelope 1,2)

• R: Release time (envelope 1,2)

To connect each envelope with the ADSR controls, hit the ENV button up to

three times.

An ”active” ENV 3 is displayed by illuminated VCF and VCA LEDs.

When ENV 3 (VCO) is active, the D knob controls the modulation depth of

ENV 3 modulating the VCO pitch. Pressing SHIFT while moving the D knob

will yield an inverted modulation response.

The LED in the button will light up as soon as MAGMA generates a trigger

signal from the on-board sequencer or receives external MIDI data.

5.7. LFOs

MAGMA provides you with two LFOs (Low Frequency Oscillators) for even more com-

plex modulation madness. Both LFOs generate several waveforms and can be synced to

MAGMA´s on-board sequencer / MIDI clock. Both LFOs have identical features but diffe-

rent modulation targets.

• LFO 1 modulates VCO pitch, VCF cut-off and PW (pulse-width of the VCO

square wave).

• LFO 2 modulates the levels of the four oscillator waveforms.

Since all LFO functions are controlled by just one single button and a bunch of LEDs, ple-

ase read the following section carefully.

LFO 1 / LFO 2 access

Keep SHIFT depressed while performing any further LFO adjustments, controlling LFO 2.

Releasing SHIFT routes the controls back to LFO 1.

LFO Waveforms

When having a closer look at the LEDs around the LFO

button,youwillnoticelittlesymbolsoneachone–ifnot,we

advise you to go and see your optician (no pun intended)…

Each LED represents one of the eight waveforms available.

LFO Mode

Both LFOs can operate in three different modes:

• Normal: The LFO oscillates constantly at a given rate.

• Reset: The LFO starts its cycle with each new note-on command.

• One shot: The LFO starts its cycle with each new note-on command but performs just one single

cycle–justlikea”minienvelope”.

Attack

Time

Decay

Time

Sustain

Level

TimeRelease

Time

Attack

Time

Decay

Time

Level

Time

Triangle

Saw Up

LFO Speed

Saw Down

Staircase Up

Staircase Down

Square

Random

Digital Noise

One LED: Normal Mode

Active Waveform

Two LEDs: Reset Mode Three LEDs: One Shot Mode

1 2 ... 15 16 17 18 19 20 21 22 23

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