Phonetics and sound system of the Vietnamese language

Phonetics and sound system of the Vietnamese language

In Vietnamese, phonetics is not a secondary layer. An incorrect vowel, final, or tone can create a completely different word.

Vowel system

It is practically useful to keep the contrasts in mind right away:

  • a /a/ — open, full "a";
  • ă — short variant of the open vowel;
  • â — short central unrounded sound;
  • e /ɛ/ — open "e";
  • ê /e/ — closer front vowel;
  • i/y /i/ — high front vowel;
  • o /ɔ/ — open "o";
  • ô /o/ — closer "o";
  • ơ /ɤ/ — central-back unrounded;
  • u /u/ — rounded "u";
  • ư /ɯ/ — high unrounded back-central sound.

Russian equivalents here are only approximations. Especially ơ and ư require separate auditory and articulatory mastery.

Consonants

Some letters differ noticeably from Russian expectations. In the northern variant, for example, d is usually not "d" but a sound like /z/, while đ is closer to "d". b and đ have implosive realizations. Final p, t, c/k are pronounced without a full plosive release.

Sounds must be learned within the syllable

Vietnamese speech is structurally very syllabic. Therefore, it is more useful not to learn abstract letters by themselves, but to hear them within real syllables, comparing contrasts.

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