ru: create Russian (Latvia) accent

CHANGELOG.md

 
 *  hak (Hakka Chinese) -- Chen Chien-ting
 *  ht (Haitian Creole) -- Valdis Vitolins
+*  ru-lv (Russian Latvia) -- Valdis Vitolins
 *  shn (Shan Tay Yai) -- ronaldaug
 
 updated languages:

Makefile.am

 	phsource/ph_punjabi \
 	phsource/ph_romanian \
 	phsource/ph_russian \
+	phsource/ph_russian_lv \
 	phsource/ph_s_gaelic \
 	phsource/ph_serbian \
 	phsource/ph_setswana \

dictsource/ru_rules

 // H  hard consonant:           ъ ж ц ш
 // Y  iotated vowel, softsign:  ь ю я ё
 
+// Conditional rules
+// ?2 Russian (Latvia)
 
 .group а
         а       V
 
 .group б
         б       b
+?2      б (_    b
         б (Y    b;
         б (_    p
         б (бY   b;
 
 .group в
         в       v
+?2      в (_    v-
         в (_    f
         в (Y    v;
         в (бY   v;
 
 .group е
         е          e
+?2      A) е (_    ;e
         A) е       je
         A) е (_    jI3     //second position
      бакт) е (р    E%      // бактериальный, антибактериальный, ...
         ж (хY   S
         ж (хкY  S
         жч      S;
+?2      жч      SS
 
 .group з
         з       z
+?2      з (е    z
+?2      зч     SS
         з (Y    z;
         з (_    s
         з (дY   z;
 
 .group л
         л       l
+?2      л (Y    l^
         л (Y    l;
 
 .group м
         м       m
+?2      м (Y    m
         м (Y    m;
         м (бY   m;
         м (вY   m;
 
 .group н
         н       n
+?2      н (Y    n^
         н (Y    n;
    биз) не (с   nE%
         н (_    n_
 
 .group с
         с       s
+?2      сч      S
         с (Y    s;
         с (б    z
         с (г    z
 
 .group щ
         щ       S;
+?2      щ       SS
         щ (бY   Z;
         щ (б    Z;
         щ (бвY  Z;
 
 .group ъ
         ъ (Y    j
+?2      ъ (Y    _|
 
 .group ы
         ы       y
 
 .group ь
         ь (Y    j
+?2      ь (Y    _|
 
 .group э
         э       E2
 
 .group ё
         ё       '8
+?2   A) ё       'j8
      _) ё       'j8
      ж) ё       'O
      ш) ё       'O

espeak-ng-data/lang/zle/ru-LV

+name Russian (Latvia)
+language ru-LV 2
+
+maintainer Valdis Vitolins <[email protected]>
+status testing
+
+phonemes ru-lv
+dictrules 2
+dict_min  20000
+speed 95
+
+words 0 2
+tone 150 220 450 255 750 20 3500 255
+stressAmp 12 10 8 8 0 0 16 17
+stressLength 160 140 200 140 0 0 240 160
+

phsource/ph_russian_lv

+phoneme l
+  liquid
+
+  IF nextPh(isNotVowel) THEN
+    PrevVowelEndings
+      VowelEnding(l/L1_@L)
+      VowelEnding(l/L1_aL)
+      VowelEnding(l/L1_eL)
+      VowelEnding(l/L1_iL)
+      VowelEnding(l/L1_oL)
+      VowelEnding(l/L1_uL)
+    EndSwitch
+
+    FMT(l/l_)
+    RETURN
+  ENDIF
+
+  CALL vowelstart_l
+
+  IF prevPh(isVowel) THEN
+    VowelEnding(l/xl, 10)
+  ENDIF
+
+  IF prevPh(isPause) THEN
+    FMT(l/_l)
+  ENDIF
+
+  IF prevPh(t) THEN
+    FMT(l/tl)
+  ENDIF
+
+  IF prevPh(l/) THEN
+    FMT(l/l_long)    // double l, make it longer
+  ENDIF
+
+  FMT(l/l)
+endphoneme
+
+phoneme l^    // Latvian ļ, customized from standard l^
+  liquid
+  ipa ʎ
+  lengthmod 7
+  Vowelout len=60 lenadd rate
+  length 100
+
+  NextVowelStarts
+    VowelStart(l^/j2@)
+    VowelStart(l^/j2a)
+    VowelStart(l^/j2e)
+    VowelStart(l^/j2i)
+    VowelStart(l^/j2o)
+    VowelStart(l^/j2u)
+  EndSwitch
+
+  IF prevPh(isPause) THEN
+    FMT(l^/_l^)
+  ELSEIF nextPh(isPause) THEN
+    FMT(l^/l^_)
+  ENDIF
+
+  FMT(l^/l^)
+endphoneme
+
+phoneme o
+  vwl starttype #o endtype #o
+  length 100
+  IF thisPh(isUnstressed) THEN
+    FMT(vowel/aa_7)
+  ENDIF
+  FMT(vwl_ru/o)
+endphoneme
+
+phoneme 8
+  vwl starttype #o endtype #o
+  length 120
+  ChangeIfNotStressed(V)
+  FMT(vwl_ru/8)
+endphoneme
+
+phoneme e
+  vwl starttype #e endtype #e
+  length 100
+  IF prevPh(Z) THEN
+    ChangeIfNotStressed(y)
+    ChangePhoneme(E)
+  ENDIF
+  IF prevPh(S) THEN
+    ChangeIfNotStressed(y)
+    ChangePhoneme(E)
+  ENDIF
+  IF prevPh(ts) THEN
+    ChangeIfNotStressed(y)
+    ChangePhoneme(E)
+  ENDIF
+  FMT(vwl_ru/ee)
+endphoneme
+

phsource/phonemes

 phonemetable ru base1
 include ph_russian
 
+phonemetable ru-lv ru
+include ph_russian_lv
+
 phonemetable bg pl
 include ph_bulgarian