Here you can find the source of toDoubleArr(short[] arr)
public static double[] toDoubleArr(short[] arr)
//package com.java2s; /*/*ww w . j a v a 2s . c o m*/ Audio fingerprinting utility Copyright (C) 2007 Juha Heljoranta This program is free software; you can redistribute it and/or modify it under the terms of the GNU 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 General Public License for more details. You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */ public class Main { public static double[] toDoubleArr(short[] arr) { double[] dArr = new double[arr.length]; for (int i = 0; i < arr.length; i++) { dArr[i] = (double) arr[i]; } return dArr; } }