output = new Channel(Short.TYPE, 1);
output = new Channel(Short.TYPE, 160);
    public void init()     {	input = new Channel(Short.TYPE, 41);	output = new Channel(Short.TYPE, 1);	ep = new short[40]; //input	drp = new short[160];  //output	for (short i = 0; i < drp.length; i++)	{	    drp[i] = 0;   //initial conditions	}    }