Summary of Vocaloid and Voice Library Types (Including CeVIO and UTAU)
Starting with the 2007 debut of Hatsune Miku, the number of Vocaloid characters and voice libraries has grown alongside the expansion of the scene.
I’m sure each of you has your own favorite Vocaloid character.
In this article, we’ll give a quick overview of the many Vocaloid characters and the different types out there.
It’s recommended for anyone who wants to start making Vocaloid tracks but isn’t sure which voicebank to use!
Strictly speaking, “Vocaloid” refers only to certain libraries like Hatsune Miku and Kagamine Rin/Len, but here we’re using the term “Vocaloid” as a catch-all for other singing synthesis technologies and voice libraries as well.
Thanks for your understanding in advance!
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Summary of Vocaloid and Voice Library Types [including CeVIO and UTAU] (1–10)
IA
IA, a Vocaloid created based on the voice of the female singer Lia.
Her transparent, airy singing voice is a defining trait that matches her somewhat fragile expression.
She provided the vocals for Orangestar’s “Asu no Yozora Shoukaihan,” which drew attention for its refreshing yet poignant sound.
As a character with a voice and expression that evoke a pure girl, she’s also recommended for songs that convey delicate emotions.
Please consider using her crystal-clear voice to enrich bittersweet songs themed around youth and romance.
Otomachi Una
Otomachi Una was created based on the voice data of voice actress Aimi Tanaka, who played the protagonist Umaru in the anime “Himouto! Umaru-chan.” It’s well known for being used in songs like Kinoshita’s “I Want to Be That Right Now!” and Carlos Hakamada’s “Different!!!”.
There are two libraries: Sugar, which is known for its sweetness, and Spicy, which gives a crisp, lively impression.
Both have an extremely cute vocal quality! Maybe that’s why I feel like songs featuring Otomachi Una are often bursting with energy.
Koharu Rikka
Koharu Rikka specializes in a crisp, bright, and energetic singing voice.
Based on the vocals of voice actress Yoshino Aoyama, it reproduces a realistic girl’s voice.
With dynamic, well-defined singing that articulates phrases clearly, she’s recommended for songs that incorporate tongue twisters and for fast-paced Vocaloid tracks.
Her hallmark is a powerful yet translucent tone, so try tuning her to match different scenes in rock or ballads.
She’s a cute character with a natural, human-like voice that sounds like a teenage girl singing.
GUMI（Megpoid）
GUMI is a Vocaloid created based on the voice of voice actress Megumi Nakajima, known for her work in numerous titles such as the anime Macross Frontier.
Since the early days of the Vocaloid scene, she has been used primarily in rock-oriented Vocaloid tracks.
In Matryoshka, produced by Kenshi Yonezu, she collaborated with Hatsune Miku, delivering a rich, human-like singing voice.
She’s a memorable character with light green, wavy hair, singing energetically.
With her piercing female vocals, add vivid color to passionate sounds.
Yuzuki Yukari
Yuzuki Yukari, a Vocaloid created based on the voice of voice actress Chihiro Ishiguro, was released in 2011 as part of a project by VOCALOMAKETS, a creator team centered around Vocaloid producers.
She is characterized by a sweet, glossy singing voice that conveys the charm of an adult woman.
With a clear tone and a talent for emotional singing, she adapts well to a wide range of genres—from songs that leverage traditional Japanese sounds to rock and ballads.
Her cute, supple appearance also gives her a calm, soothing presence as a character.