6321N/A * Copyright (c) 2007, 2013, Oracle and/or its affiliates. All rights reserved. 829N/A * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 829N/A * This code is free software; you can redistribute it and/or modify it 829N/A * under the terms of the GNU General Public License version 2 only, as 2362N/A * published by the Free Software Foundation. Oracle designates this 829N/A * particular file as subject to the "Classpath" exception as provided 2362N/A * by Oracle in the LICENSE file that accompanied this code. 829N/A * This code is distributed in the hope that it will be useful, but WITHOUT 829N/A * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 829N/A * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 829N/A * version 2 for more details (a copy is included in the LICENSE file that 829N/A * accompanied this code). 829N/A * You should have received a copy of the GNU General Public License version 829N/A * 2 along with this work; if not, write to the Free Software Foundation, 829N/A * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 2362N/A * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 2362N/A * or visit www.oracle.com if you need additional information or have any 829N/A * Infinite impulse response (IIR) filter class. 829N/A * The filters where implemented and adapted using algorithms from musicdsp.org 829N/A * archive: 1-RC and C filter, Simple 2-pole LP LP and HP filter, biquad, 829N/A * tweaked butterworth RBJ Audio-EQ-Cookbook, EQ filter kookbook 829N/A * @author Karl Helgason 829N/A // 0x00 = LP, Low Pass Filter 829N/A // 0x10 = HP, High Pass Filter 829N/A // 0x20 = BP, Band Pass Filter 829N/A // 0x30 = NP, Notch or Band Elimination Filter