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Otomachi Una (VOCALOID4)

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Otomachi Una VOCALOID4

This is an article about the Otomachi Una software for the VOCALOID4 engine.


Under the names of "SUGAR" and "SPICY", the vocals were introduced with a demo video on June 15th, 2016. At the time, their designs were not revealed. They were announced to be developed by Internet Co., Ltd in collaboration with MTK and were confirmed to release on July 30th that year.[1]

On June 30th, the designs were shown and it was revealed that SUGAR and SPICY were the names for the voicebanks of the character, Otomachi Una. It was confirmed that she was voiced by Aimi Tanaka, a Japanese voice actress best known for voicing Umaru Doma of Himouto! Umaru-chan. Her downloadable version was the version releasing on July 30th, while her packaged version was releasing on August 4th. A starter pack was also confirmed to be available. According to her official website, two more demos were to be expected. Official MMD models, motion data, and video materials would also be released for her.[2][3]

Product InformationEdit



New Library Introduction YouTube
Design reveal Niconico YouTube
SUGAR Sample 1 SSW
SUGAR Sample 2 SSW
Fantastic Night Niconico YouTube
キライ・キライ・ジガヒダイ! (Kirai Kirai Jiga Hidai! / Hate It・Hate It・Huge Ego!) Niconico YouTube

Voicebank LibrariesEdit

Product Information
Package details
Otomachi Una is a young sounding female vocal with two voicebanks designed for XSY. Their vocals swing towards the "cute" sound of the female voice.

She comes with 17 breath samples and 139 sound recordings making total of over 150 types of sample material.

Vocal traits as noted:
  • Because of the smoothness of the vocals, they are considered "beginner friendly".
  • The package is ideal for Rock and Enka genres overall.
  • She has two vocals for XSY.
    • In total the package offers the equivalent of 2 additional voicebanks achievable via XSY. The total tone variation offered by the package comes to a theoretical 4 voicebanks in total.
    • As of Ver.4.3.0 of the VOCALOID4 engine, with the exception of the original galaco and Rana vocals (which are not counted as an official Internet co., Ltd release) all VOCALOID3 and VOCALOID4 Internet Co., Ltd. vocals can XSY between each other.
    • In total if user was to own every VOCALOID3 and VOCALOID4 XSY capable INTERNET co., LTD vocal, this offers the equivalent of 812 additional voicebanks achievable via XSY. The total tone variation offered by the combined packages comes to a theoretical 841 voicebanks in total.[4]
    • Note that Users of the updated XSY list have to understand that as confirmed by Internet co., Ltd themselves, depending on the combination of the two vocals a level of extra unwanted noise may be generated.
    • This is particularly true more so when using the single voicebank releases from VOCALOID3 in XSY in either primarily or secondary roles. In addition to not being built with XSY in mind, they were never built with accompanying vocals in mind, so have no adjustments made to fit in with a accompanying voicebank of similar nature like the multi-bank releases did.
Software issues as noted:
  • Similar to other child vocals such as Kagamine Rin/Len and Ryuto, she is voiced by an adult. This means she will have a limited on how realistic her portrayal of a 11 year girl because her vocal is done using voice acting methods.
  • As noted in a comparison by VOCALOIDTV, the overall package has noticeable issues with the GWL function, producing a strong warp noise when overusing it.

Individual VocalsEdit

Product Information
  Tempo: 60~175 BPM  Range: D2~C5
Package details
A sweet and cute sounding vocal.
Vocal traits as noted:
  • Sugar is designed to be combined with Spicy via XSY to gain a wide range of expressions between the two vocals thanks to both vocals' large ranges.
  • Sugar has a smaller vocal range than Spicy.
Voicebank sample
UNAV4 Sugar

Product Information
  Tempo: 60~175 BPM  Range: C2~D5
Package details
A strong and energetic vocal.
Vocal traits as noted:
  • Spicy has the largest recommended range of any Internet Co., Ltd. vocal, beating their previous largest Kokone by a single key. When used with Sugar for XSY, she has a large array of expressive tones.
  • Has more power in her treble range than Sugar.
Voicebank sample
UNAV4 Spicy


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