Code on Windows

import be.tarsos.dsp.AudioDispatcher;
import be.tarsos.dsp.io.jvm.AudioDispatcherFactory;
import be.tarsos.dsp.WaveformSimilarityBasedOverlapAdd;
import be.tarsos.dsp.WaveformSimilarityBasedOverlapAdd.Parameters;
import be.tarsos.dsp.resample.RateTransposer;
import be.tarsos.dsp.GainProcessor;
import be.tarsos.dsp.filters.BandPass;
import be.tarsos.dsp.effects.DelayEffect;
import be.tarsos.dsp.io.jvm.AudioPlayer;

import javax.sound.sampled.AudioFormat;
import javax.sound.sampled.LineUnavailableException;

public class ArmorVoiceModulator {
    public static void main(String[] args) throws LineUnavailableException {

        AudioFormat format = new AudioFormat(44100f, 16, 1, true, true);


        double pitchFactor = 1.3;
        float gainFactor = 8.0f;


        WaveformSimilarityBasedOverlapAdd wsola =
                new WaveformSimilarityBasedOverlapAdd(
                        Parameters.musicDefaults(pitchFactor, format.getSampleRate())
                );
        int bufferSize = wsola.getInputBufferSize();
        int overlap = wsola.getOverlap();


        AudioDispatcher dispatcher =
                AudioDispatcherFactory.fromDefaultMicrophone(bufferSize, overlap);


        wsola.setDispatcher(dispatcher);


        dispatcher.addAudioProcessor(wsola);
        dispatcher.addAudioProcessor(new RateTransposer(pitchFactor));
        dispatcher.addAudioProcessor(new BandPass(1500f, 2700f, format.getSampleRate()));
        dispatcher.addAudioProcessor(new DelayEffect(0.09f, 0.3f, format.getSampleRate()));
        dispatcher.addAudioProcessor(new GainProcessor(gainFactor));
        dispatcher.addAudioProcessor(new AudioPlayer(format));

        System.out.println("Starting real-time armor voice modulator...");
        dispatcher.run();
    }
}