Setting the Volume of a Sampled Audio Player

 

import javax.sound.sampled.AudioSystem;
import javax.sound.sampled.BooleanControl;
import javax.sound.sampled.Clip;
import javax.sound.sampled.DataLine;
import javax.sound.sampled.FloatControl;

public class Main {
  public static void main(String[] argv) throws Exception {
    DataLine.Info info = null;
    Clip clip = (Clip) AudioSystem.getLine(info);

    FloatControl gainControl = (FloatControl) clip
        .getControl(FloatControl.Type.MASTER_GAIN);
    double gain = .5D; // number between 0 and 1 (loudest)
    float dB = (float) (Math.log(gain) / Math.log(10.0) * 20.0);
    gainControl.setValue(dB);

    BooleanControl muteControl = (BooleanControl) clip
        .getControl(BooleanControl.Type.MUTE);
    muteControl.setValue(true);

    muteControl.setValue(false);

  }
}

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Setting the Volume of a Sampled Audio Player : Sound « Development Class « Java

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