Propellerhead Reason - 1.0.1 Betriebshandbuch PDF herunterladen (Seite 128)

NN-19 DIGITAL SAMPLER

126

NN-19 Synth Parameters

The NN-19 synth parameters are used to shape and modulate samples.

These are mostly similar to the parameters used to shape the oscillators in

Subtractor - you have envelope generators, a filter, velocity control etc.

Again, it is important to remember that these parameters do not alter the au-

dio files in any way, only the way they will play back.

! These parameters are global, in the sense that they will affect all

samples in a sample patch.

The Oscillator Section

For a sample patch, the actual samples are what oscillators are for a synthe-

sizer, the main sound source. The following settings can be made in the Osc

section of the NN-19:

Sample Start

This changes the start position of samples in a sample patch. Turning the

knob clockwise gradually offsets the samples’ start position, so that they will

play back from a position further “into” the samples’ waveform. This is useful

mainly for two things:

➜ Removing “air” or other unwanted artefacts from the start of less

than perfect samples.

Occasionally (although not in any samples supplied with Reason) you

may come across samples where the start point of the sample is slightly

ahead of the start of the actual sound. There may be noise or silence in

the beginning which was not intended to be part of the sample. By adjust-

ing the sample start position, this can be removed.

➜ Changing the start point as an effect.

For example, if you had a sample of someone saying “one, two, three”,

you could change the start position so that when you played the sample it

would start on “three”.

✪ You can also assign velocity sample start allowing to use your play-

ing to determine the exact sample start. See later in this chapter.

Setting Sample Pitch - Octave/Semitone/Fine

By adjusting the corresponding knobs you can change the pitch of all sam-

ples belonging to a patch, in three ways:

➜ Octave steps

The range is 0 - 8. The default setting is 4.

➜ Semitone steps

Allows you to raise the frequency in 12 semitone steps (1 octave).

➜ Fine steps (100th of a semitone)

The range is -50 to 50 (down or up half a semitone).

! Note that the controls in this section cannot be used to tune sam-

ples against each other, as all samples will be affected equally. To

tune individual samples, you use the Tune parameter below the key-

board display (see page 124).

Keyboard Tracking

The Osc section has a button named “Kbd. Track”. If this is switched off, the

sample’s pitch will remain constant, regardless of any incoming note pitch

messages, although the oscillator still reacts to note on/off messages. This

could be useful if you are using non-pitched samples, like drums for exam-

ple. You could then play a sample in a zone using several keys, allowing for

faster note triggering if you wanted to play a drum roll, for example.

Osc Envelope Amount

This parameter determines to what degree the overall pitch of the samples

will be affected by the Filter Envelope (see page 128). You can set negative

or positive values here, which determines whether an envelope parameter

should raise or lower the pitch.

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