1 /* noiseprof.h - Headers for SoX Noise Profiling Effect. 2 * 3 * Written by Ian Turner (vectro@vectro.org) 4 * Copyright 1999 Ian Turner and others 5 * 6 * This library is free software; you can redistribute it and/or modify it 7 * under the terms of the GNU Lesser General Public License as published by 8 * the Free Software Foundation; either version 2.1 of the License, or (at 9 * your option) any later version. 10 * 11 * This library is distributed in the hope that it will be useful, but 12 * WITHOUT ANY WARRANTY; without even the implied warranty of 13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser 14 * General Public License for more details. 15 * 16 * You should have received a copy of the GNU Lesser General Public License 17 * along with this library; if not, write to the Free Software Foundation, 18 * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA 19 */ 20 21 #include "sox_i.h" 22 #include <math.h> 23 24 #define WINDOWSIZE 2048 25 #define HALFWINDOW (WINDOWSIZE / 2) 26 #define FREQCOUNT (HALFWINDOW + 1) 27