Phonetables: Use "length" field in Tone phonemes to adjust the lengths of the vowel.

git-svn-id: https://espeak.svn.sourceforge.net/svnroot/espeak/trunk@206 d46cf337-b52f-0410-862d-fd96e6ae7743

dictsource/es_list

@@ -7,6 +7,9 @@ _cap	m'aJ^us   // should be "mayúscula" after the letter?
 _??	s'imbOlo
 _#32	Esp'aTjo
 
+// NOTE: Some of these pronunciations may still be in
+// Spanish, and need to be changed.
+
 // accent names
 _lig	liQaD'u**a
 _acu	aQ'uDo
@@ -26,8 +29,6 @@ _stk	b'a*Ra	 // ??
 _tld	t'ilde
 
 
-
-
 // names of symbols
 _.	punto
 _,	koma

dictsource/vi_list

@@ -60,15 +60,15 @@ _75	_b'aI4||m'y@2j||l'a7m
 _85	t['a:3m||m'y@2j||l'a7m
 _95	c'i3n||m'y@2j||l'a7m
 
-
 _0C	cr'am		// trăm
 _0M1	N'a:2n		// ngàn
 _0M2	cr'i@6w		// triệu
 _0M3	t['i4		// tỷ
 _0and	l,in^		// linh
+_dpt	_f,@I4_
 
 // symbols
-
+_,	f@I4
 
 // ?? found in festival wow_vi_ptn_phrasing.scm
 bị	$u

phsource/compile_report

@@ -1,4 +1,4 @@
-61 phoneme tables
+62 phoneme tables
           new total
     base 103  103
    base2  24  122
@@ -61,6 +61,7 @@
       om  25  125
 en_klatt  77  149
       ga  18  117
+      mr   1  148
 
 Data file      Used by
 b/b             [b] base
@@ -2321,7 +2322,8 @@ vowel/u_bck     [u] base2
                 [u:] ga
 vowel/u_bck2    [u:] la
                 [u] sq
-vowel/u_fnt     [u:] en_rp
+vowel/u_fnt     [u:] en
+                [u:] en_rp
 vowel/uu        [U] en
                 [U] en_n
                 [U] en_wm
@@ -2431,7 +2433,6 @@ vwl_en_rp/aa    [A:] en_rp
                 [aa] en_rp
 vwl_en_rp/aU@   [aU@] en_rp
 vwl_en_rp/i@    [i@] en_rp
-vwl_en/u_L      [u:] en
 vwl_en_us/3_us  [3] en_us
 vwl_en_us/3_us2  [3:] en_us
 vwl_en_us/a     [a] en_us

phsource/envelope/vi_5amp

@@ -1,6 +1,6 @@
 ENVELOPE
-0	95
-33	95
-49	55
-65	95
-100	95
+0	60  1
+35	60
+42	36
+60	60  1
+100	55

phsource/envelope/vi_6amp

@@ -1,15 +1,12 @@
 ENVELOPE
-0	100
-34	100
-47	66
-64	100
-73	100
-74	0
-85	95
-86	95
-92	95
-94	0
-100	0
+0	50  1
+40	50
+50	33
+68	50  1
+77	50
+78	0
+88	50  1
+100	50
 
 
 

phsource/ph_english

@@ -253,7 +253,7 @@ phoneme u:
   vowel  starttype (u)  endtype (u)
   length 210
   formants vdiph2/uw_2
-  before l/2 vwl_en/u_L-40+l/L2_uL
+  before l/2 vowel/u_fnt-40+l/L2_uL
 endphoneme
 
 

phsource/ph_english_rp

@@ -195,7 +195,6 @@ phoneme u:
   vowel  starttype (u)  endtype (u)
   length 190
   formants vowel/u_fnt
-//  before l/2 vwl_en/u_L-40+l/L2_uL
 endphoneme
 
 

phsource/ph_vi

@@ -6,49 +6,43 @@
 
 phoneme 1   //  ngang tone: level
   stress
-  length 11
   tone 28 32 envelope/p_level NULL
 endphoneme
 
 
 phoneme 2   //  huyền tone: low falling
   stress
-  length 12
   tone 20  8 envelope/p_fall NULL
 endphoneme
 
 
 phoneme 3   //  sắc tone rising
   stress
-  length 13
   tone 25 50 envelope/p_rise NULL
 endphoneme
 
 
 phoneme 4   //  hỏi tone curve (dipping rising)
   stress
-  length 14
   tone 30  5 envelope/p_fallrise NULL
 endphoneme
 
 
 phoneme 5   //  ngã tone: broken (creaking rising)
   stress
-  length 15
-  tone 30 55 envelope/p_214 envelope/vi_5amp
+  tone 28 58 envelope/p_214 envelope/vi_5amp
 endphoneme
 
 
 phoneme 6   //  nặng tone drop  (constricted)
   stress
-  length 16
+  length 75  // reduce the length of the vowel
   tone 40 20 envelope/p_512 envelope/vi_6amp
 endphoneme
 
 
 phoneme 7   //  tone 1 (ngang) at end of clause
   stress
-  length 17
   tone 40  20 envelope/p_fall NULL
 endphoneme
 

phsource/phonemes

@@ -41,7 +41,7 @@ phonemenumber 27 _;_    // clause pause
 // UTILITY PHONEMES
 //*******************************************************************
 
-phoneme <   //  Start of control string
+phoneme <   //  Start of control string NOT USED
   pause
   length 0
   lengthmod 1
@@ -49,42 +49,42 @@ endphoneme
 
 phoneme %%  //  Unstressed
   stress
-  length 0
+  stress_type 0
 endphoneme
 
 phoneme %   //  Diminished stress
   stress
-  length 1
+  stress_type 1
 endphoneme
 
 phoneme ,   //  Secondary stress
   stress
-  length 2
+  stress_type 2
 endphoneme
 
 phoneme ,,  //  Secondary stress
   stress
-  length 3
+  stress_type 3
 endphoneme
 
 phoneme '   //  Primary stress
   stress
-  length 4
+  stress_type 4
 endphoneme
 
 phoneme ''  //  Primary stress (priority)
   stress
-  length 5
+  stress_type 5
 endphoneme
 
 phoneme '!  //  Primary stress (emphasized)
   stress
-  length 6
+  stress_type 6
 endphoneme
 
 phoneme =   //  Place stress on previous vowel
   stress
-  length 2
+  stress_type 2
 endphoneme
 
 phoneme ||  //   End Word
@@ -1366,3 +1366,7 @@ include ph_english_klatt
 
 phonemetable ga base
 include ph_irish
+
+phonemetable mr hi
+include ph_mathari
+

src/compiledata.cpp

@@ -80,6 +80,8 @@
 #define tPHONEMENUMBER 29
 #define tPHONEMETABLE  30
 #define tINCLUDE  31
+#define tSTRESSTYPE  32
+
 
 static const int flags_alternative[] = {phBEFOREVOWEL,phBEFOREVOWELPAUSE,phBEFORENOTVOWEL,phBEFORENOTVOWEL2,phSWITCHVOICING};
 
@@ -251,6 +253,7 @@ static keywtab_t keywords[] = {
 	{"appendph",tAPPENDPH},
 	{"import_phoneme",tIMPORTPH},
 	{"beforepause",tBEFOREPAUSE},
+	{"stress_type",tSTRESSTYPE},
 
 	// flags
 	{"wavef",      0x2000000+phWAVE},
@@ -880,7 +883,7 @@ int Compile::LoadWavefile(FILE *f, const char *fname)
 
 //fprintf(f_errors," sample len=%d max=%4x shift=%d\n",length,max,scale_factor);
 
-#define MIN_FACTOR   6
+#define MIN_FACTOR   -1  // was 6,  disable use of 16 bit samples
 	if(scale_factor > MIN_FACTOR)
 	{
 		length = length/2 + (scale_factor << 16);
@@ -1397,6 +1400,10 @@ int Compile::CPhoneme()
 			ph->std_length = NextItem(tNUMBER);
 			break;
 
+		case tSTRESSTYPE:
+			ph->std_length = NextItem(tNUMBER);
+			break;
+
 		case tWAVE:
 			ph->phflags |= phWAVE;           // drop through to tSPECT
 		case tSPECT:
@@ -1778,11 +1785,12 @@ void Compile::CPhonemeFiles()
 
 int LoadEnvelope2(FILE *f, const char *fname)
 {//===================================================
-	int ix;
+	int ix, ix2;
 	int n;
 	int x, y;
 	int displ;
 	int n_points;
+	double yy;
 	char line_buf[128];
 	float env_x[20];
 	float env_y[20];
@@ -1808,11 +1816,20 @@ int LoadEnvelope2(FILE *f, const char *fname)
 	env_y[n_points] = env_y[n_points-1];
 
 	ix = -1;
+	ix2 = 0;
 	for(x=0; x<ENV_LEN; x++)
 	{
 		if(x > env_x[ix+4])
 			ix++;
+		if(x >= env_x[ix2+1])
+			ix2++;
 
+		if(env_lin[ix2] > 0)
+		{
+			yy = env_y[ix2] + (env_y[ix2+1] - env_y[ix2]) * (float(x) - env_x[ix2]) / (env_x[ix2+1] - env_x[ix2]);
+			y = int(yy * 2.55);
+		}
+		else
 		if(n_points > 3)
 			y = (int)(polint(&env_x[ix],&env_y[ix],4,x) * 2.55);  // convert to range 0-255
 		else

src/intonation.cpp

@@ -755,7 +755,7 @@ void Translator::CalcPitches_Tone(int clause_tone)
 		// LANG=vi
 		p = &phoneme_list[final_stressed];
 		if(p->tone_ph == 0)
-			p->tone_ph = LookupPh("7");   // change tone 1 to falling tone at end of clause
+			p->tone_ph = LookupPh("7");   // change default tone (tone 1) to falling tone at end of clause
 	}
 
 

src/setlengths.cpp

@@ -278,6 +278,7 @@ void Translator::CalcLengths()
 	int  embedded_ix = 0;
 	int  min_drop;
 	int emphasized;
+	int  tone_mod;
 	unsigned char *pitch_env=NULL;
 
 	for(ix=1; ix<n_phoneme_list; ix++)
@@ -550,6 +551,15 @@ void Translator::CalcLengths()
 
 			length_mod = (length_mod * len)/128;
 
+			if(p->tone_ph != 0)
+			{
+				if((tone_mod = phoneme_tab[p->tone_ph]->std_length) > 0)
+				{
+					// a tone phoneme specifies a percentage change to the length
+					length_mod = (length_mod * tone_mod) / 100;
+				}
+			}
+
 			if(end_of_clause == 2)
 			{
 				// this is the last syllable in the clause, lengthen it - more for short vowels

src/tr_languages.cpp

@@ -823,6 +823,7 @@ SetLengthMods(tr,3);  // all equal
 	case L('t','a'):  // Tamil
 	case L('m','l'):  // Malayalam
 	case L('k','n'):  // Kannada
+	case L('m','r'):  // Marathi
 		{
 			static const short stress_lengths_ta[8] = {200, 200,  210, 210,  0, 0,  230, 230};
 			static const unsigned char stress_amps_ta[8] = {18,18, 18,18, 20,20, 22,22 };
@@ -835,6 +836,11 @@ SetLengthMods(tr,3);  // all equal
 			tr->langopts.stress_flags =  0x10004;   // use 'diminished' for unstressed final syllable
 			tr->letter_bits_offset = OFFSET_TAMIL;
 
+			if(name2 == L('m','r'))
+			{
+				tr->letter_bits_offset = OFFSET_DEVANAGARI;
+			}
+			else
 			if(name2 == L('m','l'))
 			{
 				tr->letter_bits_offset = OFFSET_MALAYALAM;
@@ -915,7 +921,7 @@ SetLengthMods(tr,3);  // all equal
 			tr->letter_groups[0] = vowels_vi;
 			tr->langopts.tone_language = 1;   // Tone language, use  CalcPitches_Tone() rather than CalcPitches()
 			tr->langopts.unstressed_wd1 = 2;
-			tr->langopts.numbers = 0x0049;
+			tr->langopts.numbers = 0x0049 + 0x8000;
 
 		}
 		break;

src/wavegen.cpp

@@ -1244,7 +1244,7 @@ int Wavegen()
 					// amplitude envelope is only used for creaky voice effect on certain vowels/tones
 					if((ix = amp_ix>>8) > 127) ix = 127;
 					amp = amplitude_env[ix];
-					amplitude2 = (amplitude2 * amp)/255;
+					amplitude2 = (amplitude2 * amp)/128;
 //					if(amp < 255)
 //						modulation_type = 7;
 				}