SF-A2 Development Code miki
Artist Edition 01
Female VOCALOID sold by AH-Software, sampling the voice of singer-songwriter Miki Furukawa. Voice synthesis software compatible with VOCALOID2 and VOCALOID4.
Quotes
- Singing the future with voice.
- miki embodies the evolution of VOCALOID.
- Her wide range is her weapon.
- Voice imbued with Miki Furukawa's soul.
- Rich expression even in detailed tuning.
Trivia
- Expressiveness improved with 4-level pitch recording.
- AH-Software's first VOCALOID2 product.
- Uses Miki Furukawa's own voice.
- VOCALOID4 version has changed manufacturer and rights holder.
- Synthesizer V version also released in 2025.
- Package illustration handled by Yusuke Kozaki.
Alternate names
miki
SF-A2 Development Code miki
Profile
- Species
- Humanoid robot (singing voice synthesis software character)
- Gender
- Female
- Birth year
- 2009
Appearance
- Overall appearance
- Character illustration designed by Yusuke Kozaki based on Miki Furukawa's voice quality is used on the package. Futuristic appearance inspired by robot industrial design.
- Iconic items
-
- Character illustration
- Package design
Personality and abilities
- Core personality
- Musical
- Detailed personality
- As VOCALOID software, it has no expressions or fixed personality, but its proficiency in tempo and wide pitch range characteristics enable diverse song expressions.
- Keywords
-
- Wide vocal range
- Rich expressiveness
- Fluctuating pitch range
- Artistry
- Supports various music genres
- Talents
-
- Female singing expression
- Wide range expression [E2-G4]
- Fine pitch adjustment (4-level pitch recording)
- Wide tempo range (70-170 BPM)
- Skills
-
- VOCALOID2 voice synthesis
- VOCALOID4 voice synthesis
- No multilingual support but advanced Japanese singing
- Motivation
- To support diverse music production through high singing expressiveness.
History
- Backstory
- Developed in 2009 through collaboration between AH-Software and Miki Furukawa, released as a Japanese-compatible female VOCALOID faithfully reproducing her voice. Characterized by robotic design and wide vocal expression. In 2015, VOCALOID4-compatible sound source 'miki Natural' was released, and in 2025, the Synthesizer V version was also released.
- Debut date
- December 4, 2009
- Work title
- SF-A2 Development Code miki
- Media type
- Software
VOCALOID2 Initial Release
- Significant event
- VOCALOID2 Initial Release
- Description
- Released on December 4, 2009, as AH-Software's first VOCALOID product.
VOCALOID4 Compatible Version Release
- Significant event
- VOCALOID4 Compatible Version Release
- Description
- 'miki Natural' compatible with VOCALOID4 engine released on June 18, 2015.
Synthesizer V Version Release
- Significant event
- Synthesizer V Version Release
- Description
- Synthesizer V 2 version released on March 21, 2025.
Media Appearances
- Significant event
- Media Appearances
- Description
- Featured in Vocaloid songs, CDs and games, and as a motif for characters in Vocaloid novels.
Relationships
Miki Furukawa
Voice provider
Provided voice as singer-songwriter
Yuki
Teammate
Fellow female VOCALOID released by the same AH-Software
Kiyoteru Hiyama
Teammate
Member of the same AH-Software VOCALOID lineup
AH-Software VOCALOID
AH-Software VOCALOID: unknown
Media appearances
VOCALOID2 SF-A2 Development Code miki
Software / Protagonist
Released December 4, 2009
VOCALOID4 miki Natural
Software / Protagonist
Released June 18, 2015
Synthesizer V miki
Software / Protagonist
Released March 21, 2025
VOCALOIDS★X'mas〜白い夜は静寂を守ってる〜
Music / Supporting
2009-11-08
THE VOCALOID produced by Yamaha
Music / Supporting
2011-09-14
僕は初音ミクとキスをした
Music / Supporting
2013-04-17
ハローキティといっしょ! ブロッククラッシュ123!!
Game / Supporting
2010-07-15
Voice cast and creators
Miki Furukawa
- Voice actor
- Miki Furukawa
- Language
- Japanese
- Version or series
- VOCALOID2 initial version and VOCALOID4 version
- Notes
- Voice sampling source artist
Miki Furukawa
- Creator name
- Miki Furukawa
- Role
- Original author
Yusuke Kozaki
- Creator name
- Yusuke Kozaki
- Role
- Character designer
AH-Software
- Creator name
- AH-Software
- Role
- Publisher
Yamaha A&R (VOCALOID2 release publisher)
- Creator name
- Yamaha A&R (VOCALOID2 release publisher)
- Role
- Licensee
AHS Co., Ltd. (VOCALOID4 manufacturing and sales)
- Creator name
- AHS Co., Ltd. (VOCALOID4 manufacturing and sales)
- Role
- Licensee
Yamaha Corporation (VOCALOID4 production)
- Creator name
- Yamaha Corporation (VOCALOID4 production)
- Role
- Publisher
Related goods
SF-A2 Development Code miki VOCALOID package
- Item name
- SF-A2 Development Code miki VOCALOID package
- Category
- Digital
- Availability
- Regular
Music CDs and compilation albums
- Item name
- Music CDs and compilation albums
- Category
- Music
- Availability
- Regular