System.err.println("Hold filter go!");
    public void work()    {	for (int i = 0; i < mDrp.length; i++)	{	    mDrp[i] = input.popShort();	}	for (int j = 0; j < 40; j++)	{	    output.pushShort(mDrp[j + 120]);	}	System.err.println("Hold filter go!");    }