espeak-ng/phsource/ph_latvian

//  IF thisPh(isStressed) THEN
//  FMT(vowel/..., 100)
//  ELIF thisPh(isDiminished) AND NOT prevVowel(isStressed) THEN
//  FMT(vowel/..., 50)
//  ELSE
//  FMT(vowel/..., 75)
//  ENDIF

phoneme a
  vwl starttype #a endtype #a
  length 120
  FMT(vwl_lv/a, 100)           // adjusted from aa_3
endphoneme

phoneme a:
  vwl starttype #a endtype #a
  length 300
  lng
  FMT(vwl_lv/aa, 90)           
endphoneme

phoneme E
  vwl starttype #e endtype #e
  length 120
  FMT(vwl_lv/e2, 100)
endphoneme

phoneme E:
  vwl starttype #e endtype #e
  length 300
  FMT(vwl_lv/ee2, 100)
endphoneme

phoneme e
  vwl starttype #e endtype #e
  length 120
  FMT(vwl_lv/e, 100)  // other alternative e_5
endphoneme

phoneme e:
  vwl starttype #e endtype #e
  length 300
  FMT(vwl_lv/ee, 100) // other alternative e_8
endphoneme

phoneme i
  vwl starttype #i endtype #i
  length 120
  FMT(vwl_lv/i, 110) // was i_6
endphoneme

phoneme i:
  vwl starttype #i endtype #i
  length 300
  FMT(vwl_lv/ii, 100) // was i_7
endphoneme

phoneme o
  vwl starttype #o endtype #o
  length 120
  FMT(vwl_lv/o, 90)
endphoneme

phoneme o:
  vwl starttype #o endtype #o
  length 300
  FMT(vwl_lv/oo, 75)
endphoneme

phoneme u
  vwl starttype #u endtype #u
  length 120
  FMT(vwl_lv/u, 140)
endphoneme

phoneme u:
  vwl starttype #u endtype #u
  length 300
  FMT(vwl_lv/uu, 120)
endphoneme

phoneme ai
  vwl starttype #a endtype #i
  length 250
  lng
  FMT(vdiph/aai, 100)
endphoneme

phoneme au
  vwl starttype #a endtype #u
  length 275
  lng
  FMT(vdiph/aau, 100)
endphoneme

phoneme ei
  vwl starttype #e endtype #i
  length 250
  lng
  FMT(vdiph/eei_2, 100)
endphoneme

phoneme ie
  vwl starttype #i endtype #e
  length 250
  lng
  FMT(vdiph2/ie_2, 100)
endphoneme

phoneme iu
  vwl starttype #i endtype #u
  length 250
  lng
  FMT(vdiph2/iu_2, 100)
endphoneme

phoneme ui
  vwl starttype #u endtype #i
  length 250
  lng
  FMT(vdiph/ui, 100)
endphoneme

phoneme uo
  vwl starttype #u endtype #a
  length 260
  lng
  FMT(vdiph2/uaa, 100)
endphoneme

phoneme o`       // shorter version of uo
  vwl starttype #u endtype #a
  length 180
  lng
  FMT(vdiph2/uaa, 100)
endphoneme

phoneme oi
  vwl starttype #o endtype #i
  length 250
  lng
  FMT(vdiph/ooi, 100)
endphoneme

phoneme ts
  vls alv afr nolink
  voicingswitch J
  length 55
  lengthmod 1
  WAV(ustop/ts2, 60)
endphoneme

phoneme tS
  vls pla afr sib
  voicingswitch dZ
  lengthmod 2
  length 80
  WAV(ustop/tsh,40)
endphoneme

phoneme n-
  vwl starttype #a endtype #a
  ipa nU+0329
  lengthmod 4
  length 120
  FMT(n/n-syl)
endphoneme

phoneme R // Latvian hard r
  liquid trl
  lengthmod 6
  Vowelin  f1=0  f2=1700 -300 300  f3=-300 80
  Vowelout f1=2  f2=1700 -300 300  f3=-300 80 brk
FMT(r3/r_trill) addWav(r3/r_trill.wav, 60)
endphoneme

phoneme r // Latvian soft r
  liquid trl
  lengthmod 6
  Vowelin  f1=0  f2=1700 -300 300  f3=-300 80
  Vowelout f1=2  f2=1700 -300 300  f3=-300 80 brk
  FMT(j/j_) addWav(r3/r_trill.wav, 25)
endphoneme

phoneme t
  vls alv stp //lengthenstop
  lengthmod 1
  voicingswitch d
  IF nextPh(isPause2) THEN
    WAV(ustop/t_dnt, 40)
  ENDIF
  WAV(ustop/t_dnt, 50)
endphoneme

phoneme p
  vls blb stp
  lengthmod 2
  voicingswitch b
  Vowelin  f1=0  f2=1000 -50 -100  f3=-200 80
  Vowelout f1=0  f2=1000 -500 -350  f3=-300 80 rms=30
  IF nextPh(isPause2) THEN
    WAV(ustop/p_unasp_, 80)
  ENDIF
  IF nextPh(l) THEN
    WAV(ustop/pl)
  ENDIF
  WAV(ustop/p_unasp, 120)
endphoneme

phoneme k
  vls vel stp
  lengthmod 2
  voicingswitch g
  Vowelin f1=0  f2=2300 200 400  f3=-100 80
  Vowelout f1=0 f2=2300 300 400  f3=-100 80  rms=20
  IF nextPh(isPause2) THEN
    WAV(ustop/k_)
  ENDIF
  IF nextPh(#i) OR nextPh(l^) THEN
    WAV(ustop/ki)
  ENDIF
  IF nextPh(l) THEN
    WAV(ustop/kl)
  ENDIF
  WAV(ustop/k_unasp, 60)   // weaker
endphoneme

phoneme c
  vls pal stp pzd
  voicingswitch J
  WAV(ustop/c, 80)
endphoneme

phoneme D   // louder and shorter version of d
  vcd alv stp
  voicingswitch t
  length 10
  lengthmod 5
  Vowelin f1=1  f2=1700 -300 300  f3=-100 80
  Vowelout f1=2 f2=1700 -300 300  f3=-100 80 brk

  IF PreVoicing THEN
    FMT(d/xd, 110)
  ENDIF

  IF nextPh(isPause2) THEN
    FMT(d/d_, 120)  addWav(x/d_,110)
  ENDIF

  FMT(d/d, 110) addWav(x/d,110)
endphoneme


phoneme z`  // Shortened version of z for diphthong dz
  vcd alv frc sib
  voicingswitch s
  length 10
  lengthmod 6
  Vowelout f1=0  f2=1700 -300 300  f3=-100 60  len=50

  IF KlattSynth THEN
    Vowelin f1=0 f2=1390 -300 300 f3=0 0
    Vowelout f1=1  f2=1390 -300 300  f3=-100 60  len=50 brk
  ENDIF

  IF nextPh(isPause2) THEN
    length 20
    FMT(voc/z_, 120) addWav(ufric/s_, 95)
  ENDIF
  FMT(voc/z, 110) addWav(ufric/s_, 100)
endphoneme

phoneme Z` // Shortened version of Z for diphthong dZ
  vcd pla frc sib
  voicingswitch S
  length 30
  lengthmod 6
  Vowelin  f1=0  f2=2000 0 300  f3=-200 80
  Vowelout f1=2  f2=2000 0 300  f3=-200 80 brk

  IF KlattSynth THEN
    IF nextPh(isPause2) THEN
      FMT(klatt/zh_, 70) addWav(vocw/zh, 70)
    ENDIF
    FMT(klatt/zh) addWav(vocw/zh, 130)
  ENDIF

  IF nextPh(isPause2) THEN
    FMT(voc/zh_, 80) addWav(vocw/zh, 70)
  ENDIF
  FMT(voc/zh) addWav(vocw/zh, 130)
endphoneme

phoneme >  // lengthen previous vowel less than using ":"
  virtual
  length 30 // it actually seems working shorter, but anyway...
endphoneme

phoneme } // Tiny, 5ms non-linked pause (used between phonemes in word)
  pause
//  starttype _ endtype _
//  lengthmod 1
  nolink
  length 5
endphoneme

// TODO should use this with correct lengthening
//phoneme l
//  liquid
//  unstressed
//  dnt
//  length 150
//  FMT(vwl_hi/l-voc)
//endphoneme

phoneme s
  vls alv frc sib
  voicingswitch z
  lengthmod 3
  Vowelin  f1=0  f2=1700 -300 300  f3=-100 80
  Vowelout f1=0  f2=1700 -300 250  f3=-100 80  rms=20
  WAV(ufric/s,60)
endphoneme