5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation. Oracle designates this
8 * particular file as subject to the "Classpath" exception as provided
9 * by Oracle in the LICENSE file that accompanied this code.
10 *
11 * This code is distributed in the hope that it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
14 * version 2 for more details (a copy is included in the LICENSE file that
15 * accompanied this code).
16 *
17 * You should have received a copy of the GNU General Public License version
18 * 2 along with this work; if not, write to the Free Software Foundation,
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20 *
21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22 * or visit www.oracle.com if you need additional information or have any
23 * questions.
24 */
25 package com.sun.media.sound;
26
27 /**
28 * Infinite impulse response (IIR) filter class.
29 *
30 * The filters where implemented and adapted using algorithms from musicdsp.org
31 * archive: 1-RC and C filter, Simple 2-pole LP LP and HP filter, biquad,
32 * tweaked butterworth RBJ Audio-EQ-Cookbook, EQ filter kookbook
33 *
34 * @author Karl Helgason
35 */
36 public final class SoftFilter {
37
38 public static final int FILTERTYPE_LP6 = 0x00;
39 public static final int FILTERTYPE_LP12 = 0x01;
40 public static final int FILTERTYPE_HP12 = 0x11;
41 public static final int FILTERTYPE_BP12 = 0x21;
42 public static final int FILTERTYPE_NP12 = 0x31;
43 public static final int FILTERTYPE_LP24 = 0x03;
44 public static final int FILTERTYPE_HP24 = 0x13;
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5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation. Oracle designates this
8 * particular file as subject to the "Classpath" exception as provided
9 * by Oracle in the LICENSE file that accompanied this code.
10 *
11 * This code is distributed in the hope that it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
14 * version 2 for more details (a copy is included in the LICENSE file that
15 * accompanied this code).
16 *
17 * You should have received a copy of the GNU General Public License version
18 * 2 along with this work; if not, write to the Free Software Foundation,
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20 *
21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22 * or visit www.oracle.com if you need additional information or have any
23 * questions.
24 */
25
26 package com.sun.media.sound;
27
28 /**
29 * Infinite impulse response (IIR) filter class.
30 *
31 * The filters where implemented and adapted using algorithms from musicdsp.org
32 * archive: 1-RC and C filter, Simple 2-pole LP LP and HP filter, biquad,
33 * tweaked butterworth RBJ Audio-EQ-Cookbook, EQ filter kookbook
34 *
35 * @author Karl Helgason
36 */
37 public final class SoftFilter {
38
39 public static final int FILTERTYPE_LP6 = 0x00;
40 public static final int FILTERTYPE_LP12 = 0x01;
41 public static final int FILTERTYPE_HP12 = 0x11;
42 public static final int FILTERTYPE_BP12 = 0x21;
43 public static final int FILTERTYPE_NP12 = 0x31;
44 public static final int FILTERTYPE_LP24 = 0x03;
45 public static final int FILTERTYPE_HP24 = 0x13;
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