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// Copyright (C) 2002 Johnny Mariethoz (Johnny.Mariethoz@idiap.ch)
// and Samy Bengio (bengio@idiap.ch)
//
//
// This file is part of Torch. Release II.
// [The Ultimate Machine Learning Library]
//
// Torch 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.
//
// Torch 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 Torch; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
#ifndef HTK_SEQ_DATASET_INC
#define HTK_SEQ_DATASET_INC
#include "SeqDataSet.h"
#include "IOHtk.h"
#include "Dictionary.h"
namespace Torch {
/** This class is used to read Htk seqdatasets
*
* @author Samy Bengio (bengio@idiap.ch)
* @author Johnny Mariethoz (Johnny.Mariethoz@idiap.ch)
*/
class HtkSeqDataSet : public SeqDataSet
{
public:
/// the files, in htk format
IOHtk** htk;
/// used to read targets and alignments
Dictionary* dict;
/// number of miliseconds per frame (used during alignment)
int n_per_frame;
///
HtkSeqDataSet(char* file, int max_load=-1);
///
HtkSeqDataSet(char** files,int n_files, int max_load=-1);
virtual ~HtkSeqDataSet();
/** destroys data allocated by #createData#
*/
virtual void freeMemory();
/** save the data set on htk binary format in specifing directory
*/
virtual void write(char* dir_to_save);
virtual void setDictionary(Dictionary* dict);
virtual void setNPerFrame(int n_per_frame);
virtual void readTargets(char* file);
virtual void readAlignments(char* file, bool needs_all_examples = false);
virtual int findExample(char* name);
virtual void prepareData();
virtual void createMaskFromParam(bool* mask);
};
}
#endif
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