Propellerhead Reason - 4.0 Instrukcja Operacji Pobierz pdf (Strona 269)

NN-XT SAMPLER

267

Working with Key Ranges

About Key Ranges

Each zone can have its own separate key range, the lowest and the highest key that

will trigger the sample.

A good example of use for this is when sampling a certain instrument. Sampling of a

piano for example is usually performed by making several recordings of different notes

at close intervals, and then mapping these samples to separate, contiguous, fairly nar-

row key ranges. This concept is called multi-sampling.

The reason for this is that if one single sample is played across the entire keyboard, it

will most likely sound very unnatural when played too far from its original pitch, since

the amount you can transpose a sound without negatively affecting its timbre is very

limited.

Setting up Key Ranges

You can adjust the key range of zones in a number of ways:

By Dragging the Zone Boundary Handles

1. Select the zone in the Key Range area.

2. Point and click on one of the handles that appear at each end.

3. Drag the handle left/right.

Dotted lines extend from the edges of the zones up to the keyboard area. These

lines give you a visual indication of which keys the key range will encompass.

There is also an alphanumerical indication at the bottom left of the display.

4. Repeat the procedure with as many zones as you wish, to create a complete

key map.

By using the Lo Key and Hi Key controls

Directly below the key map area you will find the sample parameters. These are used

for changing various parameters that affect how the zones are played back. They can

affect single or multiple selected zones. In the middle of the sample parameters area

are two knobs called “Lo Key” and Hi Key”.

These can be used for setting the low key and the high key of a zone’s key range.

1. Make sure the zone which you want to set the key range for is selected.

2. Use the Lo Key/Hi Key knobs to change the key range.

Check the display right above the knobs for an indication of the key. You can also

keep an eye on the lines extending from the zone edges to the keyboard area.

Setting key ranges for multiple zones

You can set key ranges for multiple selected zones simultaneously. This can only be

done by using the Lo and Hi Key controls. It works as follows:

D If you have three selected zones that each have different high keys and

then turn the Hi Key knob, they will all automatically get the same High

Key value as the zone with edit focus.

In other words, if the selected zone with edit focus has the high key set to C4, and

you change this to D4 by turning the Hi Key knob, all other selected zones will also

be extended to D4 as the High Key.

D If any selected zone’s low key setting is higher than the edit focused

zone’s high key before turning the Hi Key knob, the zone range will be

scaled down to one semitone, starting from the low key setting.

The high key can naturally never be set to a value lower than one semitone above

its low key setting - the zone would otherwise disappear!

Clicking and dragging the high key boundary handle of a zone with the default key range of C1 - C6...

...to change the key range to C1 - C2.

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