def double_vowel2macron(text):
# 連続する母音(同母音, 'ou')を長音符に変換
text = list(text)
# 母音をひらがなに変換する辞書
v2h = {v: h for v, h in [('a', 'あ'), ('i', 'い'), ('u', 'う'), ('e', 'え'), ('o', 'お')]}
for i, c in enumerate(text):
if c == 'う' and i > 0:
# 'ou' の処理
vs = vowels(conv_h2a.do(text[i - 1]))
if (text[i - 1] == ' ') or (not vs):
continue
v = vs[0]
try:
if v2h[v] in 'うお':
text[i] = 'ー'
except KeyError:
pass
elif c in 'あいえお' and i > 0:
# 同母音の処理
vs = vowels(conv_h2a.do(text[i - 1]))
if (text[i - 1] == ' ') or (not vs):
continue
v = vs[0]
try:
if v2h[v] == c:
text[i] = 'ー'
except KeyError:
pass
return ''.join(text)
def syllable_match_score(syl_a, syl_b, term_syl_pos, lyrics_syl_pos, hparams):
# 音節と音節の類似度
roman_a, roman_b = conv.do(syl_a), conv.do(syl_b)
c = consonant_match_score(consonants(roman_a), consonants(roman_b)) * (
1. + float(term_syl_pos == 0) * float(lyrics_syl_pos == 0))
v = vowel_match_score(vowels(roman_a), vowels(roman_b))
coefs = hparams['syl_score_coefs']
rates = hparams['syl_rates']
if c >= 1. and v:
syl_score = coefs[0] * (1. + c) * v
syl_rate = rates[0]
elif c < 1. and v:
syl_score = coefs[1] * (1. + c) * v
syl_rate = rates[1]
elif 0. < c and c < 1. and (not v):
syl_score = coefs[2] * c
syl_rate = rates[2]
else:
syl_score = coefs[3]
syl_rate = rates[3]
return syl_score, syl_rate
def macron2vowel(text):
# 長音符を前の字の母音に変換
text = list(text)
# 母音をひらがなに変換する辞書
v2h = {v: h for v, h in [('a', 'あ'), ('i', 'い'), ('u', 'う'), ('e', 'え'), ('o', 'お')]}
for i, c in enumerate(text):
if c in 'ー' and i > 0:
v = vowels(conv_h2a.do(text[i - 1]))[0]
try:
text[i] = v2h[v]
except KeyError:
pass
return ''.join(text)
def syllabic_nasal2vowel(text):
# 撥音便を前の字の母音に変換
text = list(text)
# 母音をひらがなに変換する辞書
v2h = {v: h for v, h in [('a', 'あ'), ('i', 'い'), ('u', 'う'), ('e', 'え'), ('o', 'お')]}
for i, c in enumerate(text):
if c in 'ん' and i > 0:
vs = vowels(conv_h2a.do(text[i - 1]))
if (text[i - 1] == ' ') or (not vs):
continue
v = vs[0]
try:
text[i] = v2h[v]
except KeyError:
pass
return ''.join(text)
def initial2initials(initial, initials):
# 歌詞のイニシャルから検索対象の単語のイニシャルを指定 (母音が共通のもの)
return [
i for i in initials
if vowels(conv_h2a.do(initial)) == vowels(conv_h2a.do(i))
]