Propellerhead Reason - 4.0 Betriebshandbuch PDF herunterladen (Seite 285)

NN-XT SAMPLER

283

Mode (LFO 1 only)

This lets you set the “operation mode” for the LFO. Click the button to switch be-

tween the available modes:

D Group Rate

In this mode, the LFO will run at the rate set for its group in the group section,

rather than at the rate set here (see page 276). This way, all zones in the group will

have the exact same modulation rate.

D Tempo Sync

In this mode, the LFO will be synchronized to the song tempo, in one of 16 possi-

ble time divisions.

! When tempo sync is activated, the Rate knob is used for selecting the de-

sired timedivision. Turn the Rate knob and observe the tool tip for an in-

dication of the timedivision.

D Free Run

In free run mode, the LFO simply runs at the rate set with the Rate parameter. Fur-

thermore, if Key Sync is deactivated, the modulation cycle will not be retriggered

each time you press a key - it will run continuously.

Waveform (LFO 1 only)

Here, you select which type of waveform should be used for modulating the destina-

tion parameters.

Click the button to switch between the following waveforms:

! LFO 2 always uses a triangle waveform.

Key Sync (LFO 1 only)

By activating key sync, you “force” the LFO to restart its modulation cycle each time a

key is pressed.

! Note that LFO 2 always uses Key Sync.

Destinations for LFO 1

The following parameters can be modulated by LFO 1:

D Pitch

This will make the LFO modulate the pitch, for vibrato, trills, etc. It can be set to -

2400 – 0 – 2400 cents which equals 4 octaves. The set pitch will change up and

down by this amount, with each modulation cycle. Turning the knob to the right will

make the modulation cycle start above the set pitch, while turning it to the left will

invert the cycle. Keeping this in the middle position means that the pitch will not be

affected by the LFO.

D Filter

This will make the LFO modulate the cutoff frequency of the Filter, for auto-wah ef-

fects, etc. The positive/negative effect is the same as for pitch.

D Level

This will make the LFO modulate NN-XT’s output level, for tremolo effects, etc. The

positive/negative effect is the same as for pitch.

Destinations for LFO 2

The following parameters can be modulated by LFO 2:

D Pan

This makes the LFO modulate the pan position of a zone. The sound will move

back and forth in the stereo field. Turning the knob to the left makes the sound

move from left to right, and turning it to the right thus makes it move from right to

left. The middle position provides no modulation at all.

D Pitch

Just like for LFO 1 (see above), this makes LFO 2 modulate the pitch. The range is

also the same as for LFO 1.

Waveform

Description

Triangle This is a smooth waveform, suitable for normal vibrato.

Inverted Sawtooth This produces a “ramp up” cycle. If applied to an oscillator’s fre-

quency, the pitch would sweep up, after which the cycle imme-

diately starts over.

Sawtooth This produces a “ramp down” cycle, the same as above but in-

verted.

Square This produces cycles that abruptly change between two values,

usable for trills etc.

Random Produces random stepped modulation to the destination. Some

vintage analog synths called this feature “sample & hold”.

Soft Random The same as above, but with smooth modulation.

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