國際音標歷史
1932年修订

第二轮的扩充，伴随着少数符号的音值的重新分配，发生在1932年。这是一次大的修订，使用了半个多世纪，并伴随小的修改。一些修改已经在1932年前被采纳。例如1925年的哥本哈根语音学会议后⟨ʋ, ꜰ⟩被替换成⟨β, ɸ⟩，那次会议聚集了许多知名的语音学家，包括国际语音学协会的丹尼尔·琼斯。符号⟨ᴚ⟩在1932年修订之前还被替换成⟨χ⟩。
|   | Bi-labial | Bi-labial | Labio- dental | Labio- dental | Dental and Alveolar | Dental and Alveolar | Dental and Alveolar | Dental and Alveolar | Dental and Alveolar | Retroflex | Retroflex | Palato-alveolar | Palato-alveolar | Alveolo-palatal | Alveolo-palatal | Palatal | Palatal | Palatal | Palatal | Palatal | Palatal | Palatal | Velar | Velar | Velar | Velar | Velar | Velar | Velar | Uvular | Uvular | Pharyngal [sic] | Pharyngal [sic] | Glottal | Glottal |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| Plosive | p b | p b |   |   | t d | t d | t d | t d | t d | ʈ ɖ | ʈ ɖ |   |   |   |   | c ɟ | c ɟ | c ɟ | c ɟ | c ɟ | c ɟ | c ɟ | k ɡ | k ɡ | k ɡ | k ɡ | k ɡ | k ɡ | k ɡ | q ɢ | q ɢ |   |   | ʔ | ʔ |
| Nasal | m | m | ɱ | ɱ | n | n | n | n | n | ɳ | ɳ |   |   |   |   | ɲ | ɲ | ɲ | ɲ | ɲ | ɲ | ɲ | ŋ | ŋ | ŋ | ŋ | ŋ | ŋ | ŋ | ɴ | ɴ |   |   |   |   |
| Lateral Fricative |   |   |   |   | ɬ ɮ | ɬ ɮ | ɬ ɮ | ɬ ɮ | ɬ ɮ |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |
| Lateral Non-Fricative |   |   |   |   | l | l | l | l | l | ɭ | ɭ |   |   |   |   | ʎ | ʎ | ʎ | ʎ | ʎ | ʎ | ʎ |   |   |   |   |   |   |   |   |   |   |   |  |  |
| Rolled |   |   |   |   | r | r | r | r | r |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   | ʀ | ʀ |   |   |   |   |
| Flapped |   |   |   |   | ɾ | ɾ | ɾ | ɾ | ɾ | ɽ | ɽ |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   | ʀ | ʀ |   |   |   |   |
| Fricative | ɸ β | ɸ β | f v | f v | θ ð | θ ð | s z | s z | ɹ | ʂ ʐ | ʂ ʐ | ʃ ʒ | ʃ ʒ | ɕ ʑ | ɕ ʑ | ç ʝ | ç ʝ | ç ʝ | ç ʝ | ç ʝ | ç ʝ | ç ʝ | x ɣ | x ɣ | x ɣ | x ɣ | x ɣ | x ɣ | x ɣ | χ ʁ | χ ʁ | ħ ʕ | ħ ʕ | h ɦ | h ɦ |
| Frictionless continuants | w | ɥ | ʋ | ʋ | ɹ | ɹ | ɹ | ɹ | ɹ |   |   |   |   |   |   | j (ɥ) | j (ɥ) | j (ɥ) | j (ɥ) | j (ɥ) | j (ɥ) | j (ɥ) | (w) | (w) | (w) | (w) | (w) | (w) | (w) | ʁ | ʁ |   |   |   |   |
|  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | Front | Front | Front | Front | Front | Front | Central | Central | Central | Central | Central | Central | Back | Back |  |  |  |  |  |  |
| Close | (y ʉ u) | (y ʉ u) |  |  |  |  |  |  |  |  |  |  |  |  |  | i y | i y | i y | i y | i y | i y | ɨ ʉ | ɨ ʉ | ɨ ʉ | ɨ ʉ | ɨ ʉ | ɨ ʉ | ɯ u | ɯ u |  |  |  |  |  |  |
|  | (ʏ ʊ) | (ʏ ʊ) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | ɪ ʏ | ɪ ʏ | ɪ ʏ | ɪ ʏ | ɪ ʏ |  |  |  |  |  | ʊ | ʊ |  |  |  |  |  |  |
| Half-close | (ø   o) | (ø   o) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | e ø | e ø | e ø | e ø |  |  |  |  | ɤ o | ɤ o |  |  |  |  |  |  |
|  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | ə | ə | ə |  |  |  |  |  |  |  |  |
| Half-open | (œ ɔ) | (œ ɔ) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | ɛ œ | ɛ œ |  |  | ʌ ɔ | ʌ ɔ |  |  |  |  |  |  |
|  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | æ | æ | ɐ |  |  |  |  |  |  |  |  |
| Open | (ɒ) | (ɒ) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | a  | a  | ɑ ɒ | ɑ ɒ |  |  |  |  |  |  |
其他的发音没有出现在表里。其中一部分用变音符号标出来。这些分别是