/***************************************************************************
* Copyright (C) 2005 to 2007 by Jonathan Duddington *
* email: jonsd@users.sourceforge.net *
* *
* This program 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 3 of the License, or *
* (at your option) any later version. *
* *
* This program 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 this program; if not, see: *
* <http://www.gnu.org/licenses/>. *
***************************************************************************/
// phoneme types
#define phPAUSE 0
#define phSTRESS 1
#define phVOWEL 2
#define phLIQUID 3
#define phSTOP 4
#define phVSTOP 5
#define phFRICATIVE 6
#define phVFRICATIVE 7
#define phNASAL 8
#define phVIRTUAL 9
#define phDELETED 14
#define phINVALID 15
// phoneme properties
// bits 16-19 give place of articulation (not currently used)
#define phWAVE 0x01
#define phUNSTRESSED 0x02
#define phFORTIS 0x08
#define phVOICED 0x10
#define phSIBILANT 0x20
#define phNOLINK 0x40
#define phTRILL 0x80
#define phVOWEL2 0x100 // liquid that is considered a vowel
#define phPALATAL 0x200
#define phAPPENDPH 0x2000 // always insert another phoneme (link_out) after this one
#define phBRKAFTER 0x4000 // [*] add a post-pause
#define phBEFOREPAUSE 0x8000 // replace with the link_out phoneme if the next phoneme is a pause
#define phALTERNATIVE 0x1c00 // bits 10,11,12 specifying use of alternative_ph
#define phBEFOREVOWEL 0x0000
#define phBEFOREVOWELPAUSE 0x0400
#define phBEFORENOTVOWEL 0x0c00
#define phBEFORENOTVOWEL2 0x1000
#define phSWITCHVOICING 0x0800
#define phNONSYLLABIC 0x100000 // don't count this vowel as a syllable when finding the stress position
#define phLONG 0x200000
#define phLENGTHENSTOP 0x400000 // make the pre-pause slightly longer
// fixed phoneme code numbers, these can be used from the program code
#define phonCONTROL 1
#define phonSTRESS_U 2
#define phonSTRESS_D 3
#define phonSTRESS_2 4
#define phonSTRESS_3 5
#define phonSTRESS_P 6
#define phonSTRESS_P2 7 // priority stress within a word
#define phonSTRESS_PREV 8
#define phonPAUSE 9
#define phonPAUSE_SHORT 10
#define phonPAUSE_NOLINK 11
#define phonLENGTHEN 12
#define phonSCHWA 13
#define phonSCHWA_SHORT 14
#define phonEND_WORD 15
#define phonSONORANT 16
#define phonDEFAULTTONE 17
#define phonCAPITAL 18
#define phonGLOTTALSTOP 19
#define phonSYLLABIC 20
#define phonSWITCH 21
#define phonX1 22 // a language specific action
#define phonPAUSE_VSHORT 23
#define phonPAUSE_LONG 24
#define phonT_REDUCED 25
#define phonSTRESS_TONIC 26
#define phonPAUSE_CLAUSE 27
extern const unsigned char pause_phonemes[8]; // 0, vshort, short, pause, long, glottalstop
// place of articulation
#define phPLACE 0xf0000
#define phPLACE_pla 0x60000
#define N_PHONEME_TABS 100 // number of phoneme tables
#define N_PHONEME_TAB 256 // max phonemes in a phoneme table
#define N_PHONEME_TAB_NAME 32 // must be multiple of 4
// main table of phonemes, index by phoneme number (1-254)
typedef struct {
unsigned int mnemonic; // 1st char is in the l.s.byte
unsigned int phflags; // bits 28-30 reduce_to level, bits 16-19 place of articulation
// bits 10-11 alternative ph control
unsigned short std_length; // for vowels, in mS; for phSTRESS, the stress/tone type
unsigned short spect;
unsigned short before;
unsigned short after;
unsigned char code; // the phoneme number
unsigned char type; // phVOWEL, phPAUSE, phSTOP etc
unsigned char start_type;
unsigned char end_type;
unsigned char length_mod; // a length_mod group number, used to access length_mod_tab
unsigned char reduce_to; // change to this phoneme if unstressed
unsigned char alternative_ph; // change to this phoneme if a vowel follows/doesn't follow
unsigned char link_out; // insert linking phoneme if a vowel follows
} PHONEME_TAB;
// Several phoneme tables may be loaded into memory. phoneme_tab points to
// one for the current voice
extern int n_phoneme_tab;
extern int current_phoneme_table;
extern PHONEME_TAB *phoneme_tab[N_PHONEME_TAB];
extern unsigned char phoneme_tab_flags[N_PHONEME_TAB]; // bit 0: not inherited
typedef struct {
char name[N_PHONEME_TAB_NAME];
PHONEME_TAB *phoneme_tab_ptr;
int n_phonemes;
int includes; // also include the phonemes from this other phoneme table
} PHONEME_TAB_LIST;
// table of phonemes to be replaced with different phonemes, for the current voice
#define N_REPLACE_PHONEMES 60
typedef struct {
unsigned char old_ph;
unsigned char new_ph;
char type; // 0=always replace, 1=only at end of word
} REPLACE_PHONEMES;
extern int n_replace_phonemes;
extern REPLACE_PHONEMES replace_phonemes[N_REPLACE_PHONEMES];
char *EncodePhonemes(char *p, char *outptr, unsigned char *bad_phoneme);
void DecodePhonemes(const char *inptr, char *outptr);
const char *PhonemeTabName(void);
int LookupPh(const char *string);
extern const char *WordToString(unsigned int word);
