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Korean Vocaloids[edit | edit source]

The following are a list of Vocaloids that use Korean.

Phonetic System's Characteristics[edit | edit source]

Unlike previous English and Japanese Vocaloids, the Korean engine is only partially based on X-SAMPA notation. This is due to the nature of hangul, which already functions as a phonetic alphabet. The voicebank's coding uses romanized hangul for the consonants and X-SAMPA based coding for the vowels. A possible reason why romanization is used for the coding of the consonants is due to the Korean language's many allophones. Non-native speakers will find the Korean Phonetics are more complex then either English or Japanese to work with and it is essential that they study how to the Korean language works when using the engine.

In total, the Korean language has 26 initial consonants, 7 final consonants, and 16 vowel sounds of which the entire language is based upon.[1]

Vowels[edit | edit source]

Diphthongs[edit | edit source]

Consonants[edit | edit source]

Non-Native Phonemes

Unlisted Phonemes[edit | edit source]

Within SeeU's voicebank are multiple phonemes that, while unlisted in the chart provided by SBS, produce audible results to some extent. It's speculated that these extra phonemes were originally intended to be included to expand the voicebank's language capabilities, but due to time restraint were never completely recorded. It is unknown if future Korean language voicebanks will include these phonemes.


Consonant. Produces audible results when placed after a vowel. V-C transitions were recorded, but the voicebank lacks C-V transitions for this phoneme. Most likely meant to be the same sound it represents in English voicebanks. Produces a more lisped sound similar to the [s] phoneme.


Consonant. Audible results vary; Some V-C and C-V transitions are present depending on the connecting vowel. Produces a shorter sound similar to the [Np] phoneme.


Consonant. No audible sound. Produces the same results as the [N] phoneme or [Sil] in other voicebanks.


Consonant. Audible results vary. Most likely intended to be the equivalent of [l] in english voicebanks, due to it already being used to represent a different sound in Korean.

[Q@] [e@] [I@] [O@] [U@]

Rhotic Vowels. Audible results very minimal. Only works when between two other phonemes. Most likely meant to be the same sounds each represents in English voicebanks. Produces very glitched noise.

Positional Allophones[edit | edit source]

Consonant Assimilation[edit | edit source]

When entering notes with hangul input, the Vocaloid 3 editor automatically detects and edits the phonetic values for cases in which consonant-to-consonant assimilation occurs. However, a flaw with this system is that the editor changes phonetic values regardless of the distance between notes. For example, "언어" (language) entered into the editor will produce [7][n 7]. However, when the two syllables are seperated with a pause inbetween, the correct pronunciation should be [7 np][7]

Vowel Assimilation[edit | edit source]

Like Japanese, consonants in Korean become palatalized before /i/ and /j/. However, unlike Japanese, Korean consonants also become labialized before /o/, /u/, and /w/ as well.

Phonetic List[edit | edit source]

Symbol Classification IPA Symbol / Name Sample Hangul / RRoK Notes Related Phonemes
[a] vowel a ㅏ (a) Closer to /ɒ/, but /a/ is used for traditional notation
[ja] vowel ja ㅑ (ya)
[7] vowel ɤ ㅓ (eo) Proper notation of ㅓ is frequently debated. More commonly it is transcribed as /ʌ̹/ or /ɔ̜/
[j7] vowel ㅕ (yeo)
[e] vowel e ㅐ(ae), ㅔ (e) Younger speakers do not differentiate between ㅐ and ㅔ, which are more correctly pronounced /ɛ/ and /e/
[je] vowel je ㅒ (yae), ㅖ (ye)
[o] vowel o ㅗ (o)
[oa] vowel wa ㅘ (wa)
[jo] vowel jo ㅛ (yo)
[u] vowel ju ㅜ (u)
[u7] vowel ㅝ (weo)
[ue] vowel we ㅙ (wae), ㅞ (we), ㅚ (oe)

ㅚ is traditionally pronounced /ø/ however in South Korean speech it has become /we/ or /e/

[ui] vowel wi~ɥi~y ㅟ (wi)

Usually /y/ or /i/ before ㅅ ㅈ and ㅊ

/wi/ or /ɥi/ elsewhere

[M] vowel ɯclose back unrounded vowel ㅡ (eu)
[Mi] vowel ɰi ㅢ (eui)
[i] vowel i close frount unrounded vowel ㅣ (i)
[g] initial consonant g~kvelar plosive ㄱ (g)

Pronounced /k/ at the beginning of a sequence or after /k̚/ /t̚/ or /p̚/ pronounced /g/ elsewhere



[g'] initial consonant ㄲ (gg) Tense /k/



[n] initial consonant nalveolar nasal ㄴ (n)


[d] initial consonant d~talveolar plosive ㄷ (d)

Pronounced /t/ at the beginning of a sequence or after /k̚/ /t̚/ or /p̚/ Pronounced /d/ elsewhere



[d'] initial consonant ㄸ (dd) Tense /t/
[r] initial consonant ɾalveolar tap ㄹ (r) Intervocalic ㄹ
[l] initial consonant l lateral alveolar ㄹ (l)

Occurs only when initial ㄹ follows ending ㄹ

[m] initial consonant mbilabial nasal ㅁ (m)
[b] initial consonant b~pbilabial plosive ㅂ (b)

Pronounced /p/ at the beginning of a sequence or after /k̚/ /t̚/ or /p̚/ pronounced /b/ elsewhere

[b'] initial consonant ㅃ (bb) Tense /p/
[s] initial consonant ㅅ (s) Laminal "s"
[sh] initial consonant ɕʰ ㅅ (s)

Palatalized ㅅ. Only works before /i/ or /j/

[s'] initial consonant s ㅆ (ss) Apical "s"
[sh'] initial consonant ɕvoiceless alveolopalatal fricative ㅆ (ss)

Palatalized ㅆ. Only works before /i/ or /j/

[N] initial consonant ʔglottal stop ㅇ(-)

Silent initial consonant. Glottal stop when between two vowels

[c] initial consonant



ㅈ (j)

Pronounced /ʈʂ/ or /ts/ at the beginning of a sequence or after /k̚/ /t̚/ or /p̚/. Pronounced /ɖʐ/ or /dz/ elsewhere

[c'] initial consonant



ㅉ (jj)

Tense /ʈʂ/ or /ts/

[ch] initial consonant



ㅊ (ch)
[k] initial consonant ㅋ (k)
[t] initial consonant ㅌ (t)
[p] initial consonant ㅍ (p)
[h] initial consonant

h~ɦ voice(less) glottal fricative

ç voiceless palatal fricative

ɸ voiceless bilabial fricative

x voiceless velar fricative

ㅎ (h)

Contains many allophones:

/h/ at the begining of a sequence

/ɦ/ intervocalically or after a voiced final consonant

/ç/ before /i/ or /j/

/ɸ/ before /u/ /w/ or /o/

/x/ before /ɯ/ Presence of allophones vary greatly from speaker to speaker.

[gp] final consonant unreleased velar plosive ㄱ (k) Unreleased plosive



[np] final consonant n alveolar nasal ㄴ (n)


[dp] final consonant unreleased alveolar plosive ㄷ (t) Unreleased plosive



[rp] final consonant l ㄹ (l)



[mp] final consonant m bilabial nasal ㅁ (m)


[bp] final consonant unreleased bilabial plosive ㅂ (p) Unreleased plosive



[Np] final consonant ŋ velar nasal ㅇ (ng)

Additional Phonetics[edit | edit source]

The following is a list of additional phonemes avaible for SeeU.

Symbol Classification IPA Symbol / Name Sample Notes Related Phonemes
[@r] final consonant ɹ alveolar approximant singer, roller English R.
[C] initial consonant sister, recieve

Works only before [i]

While [C i] and [s i] are identical phoneme-wise, the first has smoother transition and the latter does not work at the begining of a sequence.

[z] initial consonant zvoiced alveolar sibilant zoo, zero



[f] initial consonant fvoiceless labiodental fricative father, family
[v] initial consonant vvoiced labiodental fricative value, voice



continued development[edit | edit source]

Korean VOCALOID currently offers the smallest number of voicebanks, having only 1 less than Spanish but besting it overall in popularity.

In contrast to the Spanish language, it is currently reported there are voicebanks in development as of 2018. Therefore development is still occurring, though due to the few releases made to offer for the engine, little is known on how VOCALOID handles it.

Gallery[edit | edit source]

See also[edit | edit source]

Conversion Lists
Interwiki articles

Refererences[edit | edit source]

External links[edit | edit source]

Navigation[edit | edit source]

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