00001 #ifndef INCLUDE_KAISERWINDOW_H 00002 #define INCLUDE_KAISERWINDOW_H 00003 /* 00004 * This is the Loris C++ Class Library, implementing analysis, 00005 * manipulation, and synthesis of digitized sounds using the Reassigned 00006 * Bandwidth-Enhanced Additive Sound Model. 00007 * 00008 * Loris is Copyright (c) 1999-2010 by Kelly Fitz and Lippold Haken 00009 * 00010 * This program is free software; you can redistribute it and/or modify 00011 * it under the terms of the GNU General Public License as published by 00012 * the Free Software Foundation; either version 2 of the License, or 00013 * (at your option) any later version. 00014 * 00015 * This program is distributed in the hope that it will be useful, 00016 * but WITHOUT ANY WARRANTY, without even the implied warranty of 00017 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 00018 * GNU General Public License for more details. 00019 * 00020 * You should have received a copy of the GNU General Public License 00021 * along with this program; if not, write to the Free Software 00022 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 00023 * 00024 * 00025 * KaiserWindow.h 00026 * 00027 * Definition of class Loris::KaiserWindow. 00028 * 00029 * Kelly Fitz, 14 Dec 1999 00030 * loris@cerlsoundgroup.org 00031 * 00032 * http://www.cerlsoundgroup.org/Loris/ 00033 * 00034 */ 00035 00036 #include <vector> 00037 00038 // begin namespace 00039 namespace Loris { 00040 00041 // --------------------------------------------------------------------------- 00042 // class KaiserWindow 00043 // 00046 // 00047 class KaiserWindow 00048 { 00049 // -- public interface -- 00050 public: 00051 00052 // -- window building -- 00053 00065 static void buildWindow( std::vector< double > & win, double shape ); 00066 00079 static void buildTimeDerivativeWindow( std::vector< double > & win, double shape ); 00080 00081 00082 // -- window parameter estimation -- 00083 00090 static double computeShape( double atten ); 00091 00102 static unsigned long computeLength( double width, double alpha ); 00103 00104 // construction is not allowed: 00105 private: 00106 KaiserWindow( void ); 00107 00108 }; // end of class KaiserWindow 00109 00110 } // end of namespace Loris 00111 00112 #endif /* ndef INCLUDE_KAISERWINDOW_H */