/* For Copyright and License see LICENSE.txt and COPYING.txt in the root directory */
package com.nerdscentral.audio.pitch;
import java.util.List;
import com.nerdscentral.audio.pitch.algorithm.SFFilterGenerator;
import com.nerdscentral.audio.pitch.algorithm.SFFilterGenerator.NPoleFilterDef;
import com.nerdscentral.audio.pitch.algorithm.SFInLineIIRFilter;
import com.nerdscentral.sython.Caster;
import com.nerdscentral.sython.SFPL_Operator;
import com.nerdscentral.sython.SFPL_RuntimeException;
public class SF_CreateNHighPass implements SFPL_Operator
{
private static final long serialVersionUID = 1L;
@Override
public String Word()
{
return Messages.getString("SF_CreateNHighPass.0"); //$NON-NLS-1$
}
@Override
public Object Interpret(Object input) throws SFPL_RuntimeException
{
List<Object> lin = Caster.makeBunch(input);
double frequency = Caster.makeDouble(lin.get(0));
int order = (int) (Caster.makeDouble(lin.get(2)));
NPoleFilterDef fdIn = SFFilterGenerator.computeButterworthNHP(frequency, order);
return new SFInLineIIRFilter(fdIn, fdIn.getGainhf());
}
}