How to use

setPan

method

in

com.badlogic.gdx.audio.Sound

  public void changed (ChangeEvent event, Actor actor) {
    sound.setPan(soundId, pan.getValue(), volume.getValue());
    panValue.setText("" + pan.getValue());
  }
});

  public void clicked (InputEvent event, float x, float y) {
    soundId = sound.play(volume.getValue());
    sound.setPitch(soundId, pitch.getValue());
    sound.setPan(soundId, pan.getValue(), volume.getValue());
  }
});

data.getSound().setPan(id, pan, volume);