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1. First steps in Reaktor Core - Native Instruments

1. First steps in Reaktor Core - Native Instruments

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after the <strong>in</strong>itialization will still be zero, even if the <strong>in</strong>put signal has a non-zero<br />

value.<br />

F<strong>in</strong>ally, we put the pitch to frequency converter <strong>in</strong>to the core-cell structure<br />

and we are ready to test:<br />

For test<strong>in</strong>g we suggest us<strong>in</strong>g the follow<strong>in</strong>g structure (don’t forget about the<br />

1-voice sett<strong>in</strong>g for the <strong>in</strong>strument):<br />

The Cutoff knob should be set to the range 0 to 100 or someth<strong>in</strong>g similar. Beware<br />

of too high cutoff values. Because of the <strong>in</strong>creas<strong>in</strong>g filter coefficient error<br />

at high cutoffs, the filter will become unstable with large cutoff values.<br />

A better filter design should at least clip the cutoff values to the range<br />

where the filter is stable. For our case this could have been achieved by<br />

clipp<strong>in</strong>g the b coefficient to the range of 0..0.99 or someth<strong>in</strong>g similar.<br />

Techniques for value clipp<strong>in</strong>g will be described later <strong>in</strong> this text.<br />

This is what you should see <strong>in</strong> the panel now:<br />

Move the cutoff knob and watch the signal shape chang<strong>in</strong>g.<br />

104 – REAKTOR CORE

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