// Phonemes for Tamil
// This inherits from ph_hindi

phoneme : //  Lengthen previous vowel by "length"
  virtual
  length 50
endphoneme



phoneme a
  vowel  starttype (a)  endtype (a)
  length 130
  formants vowel/a
  reduceto V 4
endphoneme

phoneme V
  vowel  starttype (@)  endtype (@)
  length 130
  formants vowel/V_3
endphoneme


phoneme a:
  vowel  starttype (a)  endtype (a)
  length 300
  formants vowel/a_5
endphoneme


phoneme e
  vowel  starttype (e)  endtype (e)
  length 130
  formants vowel/e
endphoneme


phoneme e:
  vowel  starttype (e)  endtype (e)
  length 250
  formants vowel/e
endphoneme


phoneme i
  vowel  starttype (i)  endtype (i)
  length 130
  formants vowel/i_6
endphoneme


phoneme i:
  vowel  starttype (i)  endtype (i)
  length 300
  formants vowel/i
endphoneme



phoneme o
  vowel  starttype (o)  endtype (o)
  length 160
  formants vowel/o
endphoneme


phoneme o:
  vowel  starttype (o)  endtype (o)
  length 280
  formants vowel/o_3
endphoneme


phoneme u
  vowel  starttype (u)  endtype (u)
  length 110
  formants vowel/u
  reduceto U 4
endphoneme

phoneme U
  vowel  starttype (u)  endtype (u)
  length 110
  formants vowel/u#_3
endphoneme

phoneme u:
  vowel  starttype (u)  endtype (u)
  length 260
  formants vowel/u_6
endphoneme

phoneme U:
  vowel  starttype (u)  endtype (u)
  length 240
  formants vowel/u#_3
endphoneme



phoneme u-
  vowel starttype (u) endtype (u)
  length 130
  formants vowel/u#_2
endphoneme



phoneme aI
  vowel  starttype (a)  endtype (i)
  length 230
  formants vdiph/ai_8
endphoneme

phoneme aU
  vowel long starttype (a) endtype (u)
  length 200
  long
  formants vdiph/aau_3
endphoneme



// ?? This is standard [v].  Should be it [v] without the fricative noise?
phoneme v
  vcd lbd frc
  vowelin  f1=0  f2=1000 -300 -200  f3=-300 100
  vowelout f1=0  f2=1000 -500 -300  f3=-300 60  len=50
  lengthmod 6
  formants voc/v+vocw/v
  before _ voc/v_+vocw/v
  switchvoicing f
endphoneme


phoneme t        // dental variant of /t/
  vls dnt stop
  vowelin f1=0  f2=1600 -300 300  f3=-100 80
  vowelout f1=0 f2=1600 -300 250  f3=-100 80  rms=20
  lengthmod 2
  wave  ustop/t_dnt2%60
  before _ ustop/t_dnt%30 
  switchvoicing d
endphoneme