org.tritonus.share.sampled.TVolumeUtils Maven / Gradle / Ivy
/*
* TVolumeUtils.java
*
* This file is part of Tritonus: http://www.tritonus.org/
*/
/*
* Copyright (c) 1999 by Matthias Pfisterer
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU Library General Public License as published
* by the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
/*
|<--- this code is formatted to fit into 80 columns --->|
*/
package org.tritonus.share.sampled;
public class TVolumeUtils
{
private static final double FACTOR1 = 20.0 / Math.log(10.0);
private static final double FACTOR2 = 1 / 20.0;
public static double lin2log(double dLinear)
{
return FACTOR1 * Math.log(dLinear);
}
public static double log2lin(double dLogarithmic)
{
return Math.pow(10.0, dLogarithmic * FACTOR2);
}
}
/*** TVolumeUtils.java ***/