336 lines
8.7 KiB
C++
336 lines
8.7 KiB
C++
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/******************************************************************************
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* Duration.cpp *
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*--------------*
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*
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*------------------------------------------------------------------------------
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* Copyright (C) 1999 Microsoft Corporation Date: 04/28/99
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* All Rights Reserved
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*
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*********************************************************************** MC ****/
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//--- Additional includes
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#include "stdafx.h"
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#ifndef SPDebug_h
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#include <spdebug.h>
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#endif
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#ifndef Frontend_H
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#include "Frontend.h"
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#endif
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#ifndef AlloOps_H
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#include "AlloOps.h"
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#endif
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//-----------------------------
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// Data.cpp
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//-----------------------------
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extern const unsigned long g_AlloFlags[];
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extern const float g_BoundryDurTbl[];
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extern const float g_BoundryStretchTbl[];
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/*****************************************************************************
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* CDuration::Pause_Insertion *
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*----------------------------*
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* Description:
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* Duration Rule #1 - Pause Insertion
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*
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********************************************************************** MC ***/
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void CDuration::Pause_Insertion( long userDuration, long silBreak )
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{
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SPDBG_FUNC( "CDuration::Pause_Insertion" );
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if( userDuration )
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{
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m_DurHold = ((float)userDuration / 1000);
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m_TotalDurScale = 1.0;
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}
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else if( silBreak )
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{
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m_DurHold = ((float)silBreak / 1000);
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}
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else
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{
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if( m_CurBoundary != NULL_BOUNDARY)
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{
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m_DurHold = g_BoundryDurTbl[(long)m_CurBoundary];
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//m_DurHold *= m_TotalDurScale;
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//----------------------------
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// Clip to limits
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//----------------------------
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if( m_DurHold > MAX_SIL_DUR )
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{
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m_DurHold = MAX_SIL_DUR;
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}
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/*else if( m_DurHold < MIN_ALLO_DUR )
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{
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m_DurHold = MIN_ALLO_DUR;
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}*/
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}
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}
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} /* CDuration::Pause_Insertion */
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/*****************************************************************************
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* CDuration::PhraseFinal_Lengthen *
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*---------------------------------*
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* Description:
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* Duration Rule #2 - Phrase-final Lengthening
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*
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********************************************************************** MC ***/
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void CDuration::PhraseFinal_Lengthen( long /*cellCount*/ )
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{
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SPDBG_FUNC( "CDuration::PhraseFinal_Lengthen" );
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float stretchGain;
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if( m_cur_SyllableType & TERM_END_SYLL)
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{
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if( (m_cur_Stress) && (m_cur_VowelFlag) )
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{
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stretchGain = g_BoundryStretchTbl[(long)m_NextBoundary];
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m_DurHold *= stretchGain;
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//----------------------------
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// Clip to limits
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//----------------------------
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if( m_DurHold > MAX_ALLO_DUR )
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{
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m_DurHold = MAX_ALLO_DUR;
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}
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else if( m_DurHold < MIN_ALLO_DUR )
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{
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m_DurHold = MIN_ALLO_DUR;
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}
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}
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}
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} /* CDuration::PhraseFinal_Lengthen */
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#define EMPH_VOWEL_GAIN 1.0f
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#define EMPH_CONS_GAIN 1.25f
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#define EMPH_VOWEL_MIN 0.060f
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#define EMPH_CONS_MIN 0.020f
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#define EMPH_MIN_DUR 0.150f
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/*****************************************************************************
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* CDuration::Emphatic_Lenghen *
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*-----------------------------*
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* Description:
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* Duration Rule #8 - Lengthening for emphasis
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*
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********************************************************************** MC ***/
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long CDuration::Emphatic_Lenghen( long lastStress )
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{
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SPDBG_FUNC( "CDuration::Emphatic_Lenghen" );
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long eFlag;
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bool isEmph;
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eFlag = lastStress;
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if( m_cur_Stress & EMPHATIC_STRESS )
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{
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isEmph = true;
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}
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else
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{
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isEmph = false;
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}
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if( (m_cur_PhonCtrl & WORD_INITIAL_CONSONANT) ||
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( m_cur_VowelFlag && (!isEmph)) )
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{
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eFlag = false; // start of a new word OR non-emph vowel
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}
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if( isEmph )
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{
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eFlag = true; // continue lengthening until above condition is met
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}
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if( eFlag )
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{
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/*if( m_DurHold < EMPH_MIN_DUR )
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{
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m_durationPad += EMPH_MIN_DUR - m_DurHold;
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}*/
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float durDiff;
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if( m_cur_VowelFlag)
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{
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durDiff = (m_DurHold * EMPH_VOWEL_GAIN) - m_DurHold;
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if( durDiff < EMPH_VOWEL_MIN )
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{
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durDiff = EMPH_VOWEL_MIN;
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}
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}
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else
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{
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durDiff = (m_DurHold * EMPH_CONS_GAIN) - m_DurHold;
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if( durDiff < EMPH_CONS_MIN )
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{
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durDiff = EMPH_CONS_MIN;
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}
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}
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m_durationPad += durDiff; // lengthen phon for emph
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}
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return eFlag;
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} /* CDuration::Emphatic_Lenghen */
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/*****************************************************************************
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* CDuration::AlloDuration *
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*-------------------------*
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* Description:
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* Calculate durations
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*
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********************************************************************** MC ***/
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void CDuration::AlloDuration( CAlloList *pAllos, float rateRatio )
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{
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SPDBG_FUNC( "CDuration::AlloDuration" );
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long eFlag;
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CAlloCell *pPrevCell, *pCurCell, *pNextCell, *pNext2Cell;
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long numOfCells;
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long userDuration, silBreak;
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numOfCells = pAllos->GetCount();
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if( numOfCells > 0 )
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{
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eFlag = false;
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//------------------------------
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// Fill the pipeline
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//------------------------------
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pPrevCell = pAllos->GetHeadCell();
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pCurCell = pAllos->GetNextCell();
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pNextCell = pAllos->GetNextCell();
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pNext2Cell = pAllos->GetNextCell();
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//------------------------------
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// 1st allo is always SIL
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//------------------------------
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pPrevCell->m_ftDuration = pPrevCell->m_UnitDur = PITCH_BUF_RES; // initial SIL
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while( pCurCell )
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{
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//------------------
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// Current
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//------------------
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m_cur_Phon = pCurCell->m_allo;
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m_cur_PhonCtrl = pCurCell->m_ctrlFlags;
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m_cur_SyllableType = m_cur_PhonCtrl & SYLLABLE_TYPE_FIELD;
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m_cur_Stress = m_cur_PhonCtrl & STRESS_FIELD;
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m_cur_PhonFlags = ::g_AlloFlags[m_cur_Phon];
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userDuration = pCurCell->m_user_Break;
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silBreak = pCurCell->m_Sil_Break;
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if( m_cur_PhonFlags & KVOWELF)
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{
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m_cur_VowelFlag = true;
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}
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else
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{
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m_cur_VowelFlag = false;
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}
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m_CurBoundary = pCurCell->m_TuneBoundaryType;
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m_NextBoundary = pCurCell->m_NextTuneBoundaryType;
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m_TotalDurScale = rateRatio * pCurCell->m_DurScale * pCurCell->m_ProsodyDurScale;
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m_DurHold = pCurCell->m_UnitDur;
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m_durationPad = 0;
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if( pCurCell->m_user_Emph > 0 )
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{
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m_cur_Stress |= EMPHATIC_STRESS;
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}
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//------------------
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// Prev
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//------------------
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m_prev_Phon = pPrevCell->m_allo;
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m_prev_PhonCtrl = pPrevCell->m_ctrlFlags;
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m_prev_PhonFlags = ::g_AlloFlags[m_prev_Phon];
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//------------------
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// Next
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//------------------
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if( pNextCell )
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{
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m_next_Phon = pNextCell->m_allo;
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m_next_PhonCtrl = pNextCell->m_ctrlFlags;
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}
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else
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{
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m_next_Phon = _SIL_;
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m_next_PhonCtrl = 0;
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}
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m_next_PhonFlags = ::g_AlloFlags[m_next_Phon];
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//------------------
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// 2 phons ahead
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//------------------
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if( pNext2Cell )
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{
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m_next2_Phon = pNext2Cell->m_allo;
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m_next2_PhonCtrl = pNext2Cell->m_ctrlFlags;
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}
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else
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{
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m_next2_Phon = _SIL_;
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m_next2_PhonCtrl = 0;
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}
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m_next2_PhonFlags = ::g_AlloFlags[m_next2_Phon];
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if( m_cur_Phon == _SIL_ )
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{
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//-------------------------------------------
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// #1 - Pause Insertion
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//-------------------------------------------
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Pause_Insertion( userDuration, silBreak );
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}
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else
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{
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//-------------------------------------------
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// #2 - Phrase-final Lengthening
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//-------------------------------------------
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PhraseFinal_Lengthen( numOfCells );
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//-------------------------------------------
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// #8 Lengthening for emphasis
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//-------------------------------------------
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eFlag = Emphatic_Lenghen( eFlag );
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}
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pCurCell->m_ftDuration = ((m_DurHold + m_durationPad) / m_TotalDurScale);
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//---------------------------------
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// Shift the pipeline once
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//---------------------------------
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pPrevCell = pCurCell;
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pCurCell = pNextCell;
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pNextCell = pNext2Cell;
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pNext2Cell = pAllos->GetNextCell();
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}
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}
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} /* CDuration::AlloDuration */
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