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/*
* Copyright (C) 2008-2009 SVOX AG, Baslerstr. 30, 8048 Zuerich, Switzerland
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/**
* @file picopam.h
*
* Phonetic to Acoustic Mapping PU - Header file
*
* Copyright (C) 2008-2009 SVOX AG, Baslerstr. 30, 8048 Zuerich, Switzerland
* All rights reserved.
*
* History:
* - 2009-04-20 -- initial version
*
*/
/**
* @addtogroup picopam
* <b> Phonetic to acoustic mapping module </b>\n
*
* This module is responsible for mapping the phonetic domain features generated from text analysis
* into parametric representations suitable for signal generation. As such it is the interface
* between text analysis and signal generation
*
* Most the processing of PAM is logically splittable as follows
* - building a suitable symbolic feature vector set for the sentence
* - Feeding Decision Trees with the symbolic seqence vector set
* - Colecting the parametric output of the Decision trees into suitable items to be sent to following PU's
*
* To perform the decision tree feeding and output collection the PU uses an internal buffer. This
* buffer is used several times with different meanings.
* - While building the symbolic feature vector set for the sentence this data structure stores syllable relevant data.
* The corresponding phonetic data is stored outside as a single string of phonetic id's for all the sentence.
* - While feeding the decision trees the data structure is used to represent data for phonemes of the syllable
* - Addiotional data strucures are mantained to temporarily store items not pertaining to the PAM processing, for later resynchronization
*
* A quite detailed description of PAM processing is in the Know How section of the repository.
*/
#ifndef PICOPAM_H_
#define PICOPAM_H_
#include "picodata.h"
#include "picokdt.h"
#include "picokpdf.h"
#include "picoktab.h"
#include "picokdbg.h"
#ifdef __cplusplus
extern "C" {
#endif
#if 0
}
#endif
/*------------------------------------------------------------------
Service routines
------------------------------------------------------------------*/
picodata_ProcessingUnit picopam_newPamUnit(
picoos_MemoryManager mm, picoos_Common common,
picodata_CharBuffer cbIn, picodata_CharBuffer cbOut,
picorsrc_Voice voice);
#ifdef __cplusplus
}
#endif
#endif /*PICOPAM_H_*/
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