開央不圓唇元音

開央不圓唇元音或低央不圓唇元音是元音的一种，用于一些口语当中。国际音标没有特定的字母表示介于前音[a]和后音[ɑ]之间的元音，通常以⟨a⟩表示。若要加以严格区分，则使用附加符号标明，诸如央元音化的⟨ä⟩或音位偏后的⟨a̠⟩，但并不通用。

開央不圓唇元音
ä
a̠
ɑ̈
ɐ̞
IPA編號304 415
編碼
HTML碼（十進制）a​̈
Unicode碼（十六進制）U+0061 U+0308
X-SAMPA音標a_"、a_-、A_"或6_o
音頻範例
來源 · 幫助

直至最近，字母⟨a⟩仍在非官方场合下用于央元音，并被大量用于现有语音学上的标示。因此常使用[a]表示央元音，并近似开前元音，若有必要，则使用[æ]，非正式情况下当作次开元音。此外，汉语言学界会用非官方符号⟨ᴀ⟩（小型大写字母A）。国际语音学协会2011–2012年投票否决了这个非官方的音标符号。[1]

特徵
國際音標：元音
前 央 後
閉
i
y
ɨ
ʉ
ɯ
u
次閉
ɪ
ʏ
ɨ̞
ʉ̞
ɯ̞
ʊ
半閉
e
ø
ɘ
ɵ
ɤ
o
中
e̞
ø̞
ə
ɤ̞
o̞
半開
ɛ
œ
ɜ
ɞ
ʌ
ɔ
次開
æ
ɐ
開
a
ɶ
ä
ɒ̈
ɑ
ɒ
  • 國際音標幫助
  • 國際音標表
  • 模板

表內成對的元音分別為不圓唇／圓唇。

  • 其圓唇度為不圓唇元音，嘴唇自然放鬆，不特別向前突起。

注释
  1. Keating (2012:245)

参考资料
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  • Cox, Felicity; Palethorpe, Sallyanne, , Journal of the International Phonetic Association, 2007, 37 (3): 341–350, doi:10.1017/S0025100307003192
  • Cruz-Ferreira, Madalena, , Journal of the International Phonetic Association, 1995, 25 (2): 90–94, doi:10.1017/S0025100300005223
  • Dankovičová, Jana, , , Cambridge University Press: 70–74, 1999
  • Engstrand, Olle, , , Cambridge: Cambridge University Press: 140–142, 1999, ISBN 0-521-63751-1
  • Fougeron, Cecile; Smith, Caroline L, , Journal of the International Phonetic Association, 1993, 23 (2): 73–76, doi:10.1017/S0025100300004874
  • Gussenhoven, Carlos, , Journal of the International Phonetic Association, 1992, 22 (2): 45–47, doi:10.1017/S002510030000459X
  • Hillenbrand, James M., , Journal of the International Phonetic Association, 2003, 33 (1): 121–126, doi:10.1017/S0025100303001221
  • Ikekeonwu, Clara, , : 108–110, 1999, ISBN 0-521-63751-1
  • Jassem, Wiktor, , Journal of the International Phonetic Association, 2003, 33 (1): 103–107, doi:10.1017/S0025100303001191
  • Keating, Patricia A., , Journal of the International Phonetic Association, 2012, 42 (2): 245 [2014-04-06], doi:10.1017/S0025100312000114, （原始内容存档于2012-11-11）, with only 15 of 30 members voting [by email], the vote was 8 in favor, 7 against. [...] With all 30 members of the Council voting [again six months later], the resolution was defeated: 17 no, 12 yes, 1 abstention. The IPA will therefore not be adding a symbol for this vowel to the alphabet or chart.
  • Labov, William; Ash, Sharon; Boberg, Charles, , Berlin: Mouton-de Gruyter, 2006, ISBN 3-11-016746-8
  • Landau, Ernestina; Lončarića, Mijo; Horga, Damir; Škarić, Ivo, , , Cambridge: Cambridge University Press: 66–69, 1999, ISBN 0-521-65236-7
  • Lass, Roger, , Mesthrie, Rajend (编), , Cambridge University Press, 2002, ISBN 9780521791052
  • Laufer, Asher, , : 96–99, 1999
  • Lodge, Ken, : 167–169, 2009, ISBN 978-0-8264-8873-2
  • Mangold, Max, , Duden: 37, 2005, ISBN 9783411040667
  • Martínez-Celdrán, Eugenio; Fernández-Planas, Ana Ma.; Carrera-Sabaté, Josefina, , Journal of the International Phonetic Association, 2003, 33 (2): 255–259, doi:10.1017/S0025100303001373
  • Okada, Hideo, , Journal of the International Phonetic Association, 1991, 21 (2): 94–96, doi:10.1017/S002510030000445X
  • Rogers, Derek; d'Arcangeli, Luciana, , Journal of the International Phonetic Association, 2004, 34 (1): 117–121, doi:10.1017/S0025100304001628
  • Szende, Tamás, , Journal of the International Phonetic Alphabet, 1994, 24 (2): 91–94, doi:10.1017/S0025100300005090
  • Vanvik, Arne, , Oslo: Universitetet i Oslo, 1979, ISBN 82-990584-0-6
  • Verhoeven, Jo, , Journal of the International Phonetic Association, 2005, 35 (2): 245, doi:10.1017/S0025100305002173
  • Wells, John C., 3, Cambridge University Press, 1982, ISBN 0-521-24225-8
  • Zimmer, Karl; Orgun, Orhan, , , Cambridge: Cambridge University Press: 154–158, 1999, ISBN 0-521-65236-7

延伸阅读
  • Barry, William; Trouvain, Jürgen, , Journal of the International Phonetic Association, 2008, 38 (3): 349–357
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