00001 /* 00002 * Copyright 2006-2007 Columbia University. 00003 * 00004 * This file is part of MEAPsoft. 00005 * 00006 * MEAPsoft is free software; you can redistribute it and/or modify 00007 * it under the terms of the GNU General Public License version 2 as 00008 * published by the Free Software Foundation. 00009 * 00010 * MEAPsoft is distributed in the hope that it will be useful, but 00011 * WITHOUT ANY WARRANTY; without even the implied warranty of 00012 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 00013 * General Public License for more details. 00014 * 00015 * You should have received a copy of the GNU General Public License 00016 * along with MEAPsoft; if not, write to the Free Software 00017 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 00018 * 02110-1301 USA 00019 * 00020 * See the file "COPYING" for the text of the license. 00021 */ 00022 00023 package com.meapsoft.featextractors; 00024 00025 import com.meapsoft.STFT; 00026 import com.meapsoft.FeatFile; 00027 00036 public abstract class MetaFeatureExtractor extends FeatureExtractor 00037 { 00038 //not used in a meta feature extractor 00039 public double[] features(STFT stft, long startFrame, int length) 00040 { 00041 return null; 00042 } 00043 00048 public void features(FeatFile featFile) 00049 { 00050 features(featFile, true); 00051 } 00052 00053 public abstract void features(FeatFile featFile, boolean clearOriginalFeatures); 00054 }