public void startApp() {
        InputStream is = getClass().getResourceAsStream(fileName);
        FileManager file = new FileManager();
        
        double [] filter = new double [576];
        
        for(int i = 0; i < filter.length; i++){
            if( i <= 5 )
                filter [i] = 1.0;
            else if (i >= 50)
                filter [i] = 0.8;
            else filter [i] = 0.5;
        }
        
        effect = new Filtering();
        
        try {    
            stream = effect.filter(is, 0, 3000, filter);
            is.close();
        } catch (Exception ex) {
            ex.printStackTrace();
        }

        file.saveMedia(stream, "audio/");
        
        
        
    }