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/***************************************************************************
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* Copyright (C) 2005 to 2007 by Jonathan Duddington *
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* email: jonsd@users.sourceforge.net *
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* *
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* This program is free software; you can redistribute it and/or modify *
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* it under the terms of the GNU General Public License as published by *
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* the Free Software Foundation; either version 3 of the License, or *
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* (at your option) any later version. *
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* *
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* This program is distributed in the hope that it will be useful, *
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* but WITHOUT ANY WARRANTY; without even the implied warranty of *
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
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* GNU General Public License for more details. *
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* *
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* You should have received a copy of the GNU General Public License *
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* along with this program; if not, see: *
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* <http://www.gnu.org/licenses/>. *
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***************************************************************************/
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// phoneme types
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#define phPAUSE 0
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#define phSTRESS 1
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#define phVOWEL 2
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#define phLIQUID 3
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#define phSTOP 4
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#define phVSTOP 5
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#define phFRICATIVE 6
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#define phVFRICATIVE 7
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#define phNASAL 8
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#define phVIRTUAL 9
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#define phDELETED 14
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#define phINVALID 15
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// phoneme properties
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// bits 16-19 give place of articulation (not currently used)
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#define phWAVE 0x01
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#define phUNSTRESSED 0x02
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#define phFORTIS 0x08
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#define phVOICED 0x10
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#define phSIBILANT 0x20
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#define phNOLINK 0x40
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#define phTRILL 0x80
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#define phVOWEL2 0x100 // liquid that is considered a vowel
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#define phPALATAL 0x200
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#define phAPPENDPH 0x2000 // always insert another phoneme (link_out) after this one
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#define phBRKAFTER 0x4000 // [*] add a post-pause
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#define phBEFOREPAUSE 0x8000 // replace with the link_out phoneme if the next phoneme is a pause
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#define phALTERNATIVE 0x1c00 // bits 10,11,12 specifying use of alternative_ph
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#define phBEFOREVOWEL 0x0000
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#define phBEFOREVOWELPAUSE 0x0400
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#define phBEFORENOTVOWEL 0x0c00
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#define phBEFORENOTVOWEL2 0x1000
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#define phSWITCHVOICING 0x0800
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#define phBEFORE_R 0x1400
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#define phNONSYLLABIC 0x100000 // don't count this vowel as a syllable when finding the stress position
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#define phLONG 0x200000
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#define phLENGTHENSTOP 0x400000 // make the pre-pause slightly longer
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#define phRHOTIC 0x800000
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// fixed phoneme code numbers, these can be used from the program code
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#define phonCONTROL 1
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#define phonSTRESS_U 2
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#define phonSTRESS_D 3
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#define phonSTRESS_2 4
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#define phonSTRESS_3 5
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#define phonSTRESS_P 6
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#define phonSTRESS_P2 7 // priority stress within a word
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#define phonSTRESS_PREV 8
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#define phonPAUSE 9
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#define phonPAUSE_SHORT 10
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#define phonPAUSE_NOLINK 11
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#define phonLENGTHEN 12
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#define phonSCHWA 13
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#define phonSCHWA_SHORT 14
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#define phonEND_WORD 15
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#define phonSONORANT 16
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#define phonDEFAULTTONE 17
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#define phonCAPITAL 18
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#define phonGLOTTALSTOP 19
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#define phonSYLLABIC 20
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#define phonSWITCH 21
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#define phonX1 22 // a language specific action
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#define phonPAUSE_VSHORT 23
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#define phonPAUSE_LONG 24
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#define phonT_REDUCED 25
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#define phonSTRESS_TONIC 26
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#define phonPAUSE_CLAUSE 27
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extern const unsigned char pause_phonemes[8]; // 0, vshort, short, pause, long, glottalstop
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// place of articulation
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#define phPLACE 0xf0000
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#define phPLACE_pla 0x60000
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#define N_PHONEME_TABS 100 // number of phoneme tables
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#define N_PHONEME_TAB 256 // max phonemes in a phoneme table
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#define N_PHONEME_TAB_NAME 32 // must be multiple of 4
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// main table of phonemes, index by phoneme number (1-254)
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typedef struct {
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unsigned int mnemonic; // 1st char is in the l.s.byte
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unsigned int phflags; // bits 28-30 reduce_to level, bits 16-19 place of articulation
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// bits 10-11 alternative ph control
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unsigned short std_length; // for vowels, in mS; for phSTRESS, the stress/tone type
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unsigned short spect;
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unsigned short before;
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unsigned short after;
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unsigned char code; // the phoneme number
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unsigned char type; // phVOWEL, phPAUSE, phSTOP etc
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unsigned char start_type;
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unsigned char end_type;
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unsigned char length_mod; // a length_mod group number, used to access length_mod_tab
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unsigned char reduce_to; // change to this phoneme if unstressed
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unsigned char alternative_ph; // change to this phoneme if a vowel follows/doesn't follow
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unsigned char link_out; // insert linking phoneme if a vowel follows
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} PHONEME_TAB;
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// Several phoneme tables may be loaded into memory. phoneme_tab points to
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// one for the current voice
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extern int n_phoneme_tab;
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extern int current_phoneme_table;
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extern PHONEME_TAB *phoneme_tab[N_PHONEME_TAB];
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extern unsigned char phoneme_tab_flags[N_PHONEME_TAB]; // bit 0: not inherited
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typedef struct {
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char name[N_PHONEME_TAB_NAME];
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PHONEME_TAB *phoneme_tab_ptr;
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int n_phonemes;
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int includes; // also include the phonemes from this other phoneme table
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} PHONEME_TAB_LIST;
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// table of phonemes to be replaced with different phonemes, for the current voice
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#define N_REPLACE_PHONEMES 60
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typedef struct {
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unsigned char old_ph;
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unsigned char new_ph;
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char type; // 0=always replace, 1=only at end of word
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} REPLACE_PHONEMES;
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extern int n_replace_phonemes;
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extern REPLACE_PHONEMES replace_phonemes[N_REPLACE_PHONEMES];
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#define PH(c1,c2) (c2<<8)+c1 // combine two characters into an integer for phoneme name
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#define PH3(c1,c2,c3) (c3<<16)+(c2<<8)+c1
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#define PhonemeCode2(c1,c2) PhonemeCode((c2<<8)+c1)
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int LookupPhonemeString(const char *string);
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int PhonemeCode(unsigned int mnem);
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char *EncodePhonemes(char *p, char *outptr, unsigned char *bad_phoneme);
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void DecodePhonemes(const char *inptr, char *outptr);
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extern const char *WordToString(unsigned int word);
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extern PHONEME_TAB_LIST phoneme_tab_list[N_PHONEME_TABS];
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extern int phoneme_tab_number;
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