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Voiceroid+ interface with Tohoku Zunko loaded
Voiceroid+ interface with Tohoku Zunko loaded
Initial releaseDecember 4, 2009; 9 years ago (2009-12-04)
Stable release
Operating systemWindows XP/Vista/7/8
Available inJapanese
TypeSpeech Synthesizer Application

Voiceroid is a speech synthesizer application developed by AH Software and is designed for speech. It is only available in the Japanese language. Its name comes from the singing software Vocaloid, for which AH-Software also develops voicebanks. Both AH-Software's Vocaloids and Voiceroids went on sale on December 4, 2009.[1]

It differs from regular Text to Speech programs in that it gives the user more control over settings like tempo, pitch, and intonation.


Voiceroid uses an engine called AITalk developed by AI Inc. The user is able to adjust the tempo, pitch, and intonation to make the program sound more natural. The original two products Tsukuyomi Shouta and Tsukuyomi Ai were packaged with the animating software, Crazy Talk SE.[2]

On October 22, 2010, a new version of the engine was introduced known as, Voiceroid+. The first of this new engine featured a character from the children's anime Eagle Talon, known as Yoshida-kun. Much like Shouta & Ai, he is aimed at young audiences.

The first three Voiceroids were targeted at younger audiences, so they were subject to censorship, and inappropriate words were filtered out. However, Maki Tsurumaki was designed specifically for a more older audience and is the first of the series to have no form of censorship.[3] Yuzuki Yukari is also the first Vocaloid to have a Voiceroid voicebank as well as a Vocaloid voicebank. For Tohoku Zunko's release the software has been vastly improved compared to previous Voiceroid+ voices.The first two Voiceroids to come in one package are Kotonoha Akane・Aoi. In 2015, the software was upgraded to Voiceroid+ ex.[4]

In 2017, the newest version of the software "Voiceroid 2" was announced. This version has a number of new features and differences, though can still import the past Voiceroid and its variants into it. However, older engine versions will not be able to use any new features.


Boxart for Voiceroid+; Maki



  • Tsukuyomi Shouta: Was designed to be based on a seven-year-old male. Release date: December 4, 2009
  • Tsukuyomi Ai: Was designed to be a five-year-old female and Shouta's "sister" product. Release date: December 4, 2009


  • Yoshida-Kun:[5] Was based on the character of the same name from the anime Eagle Talon. Release date: October 22, 2010.
  • Maki:[6][7] A teenage female. Release date: November 12, 2010. She is the first Voiceroid to not contain censorship of curse words.
  • Yuzuki Yukari: The first Vocaloid to also have a Voiceroid library. She has several new expressions. Release date: December 22, 2011
  • Tohoku Zunko: A teenage female. She was originally created to help promote the recovery of the Tohoku region. Her character design is based on a zundamochi, a Tohoku specialty.[8] Release date: September 28, 2012.[9] She received a Vocaloid 3 voicebank in June 2014.
  • Kotonoha Akane・Aoi: A pair of twin sisters. They are voiced by Sakakibara Yui.[10]

Voiceroid + Ex

  • All 6 past voiceroids except the Kotonoha package were upgraded.
  • Minase Kou:[11][12] is the first new male vocal released for this version of the software. He was released on October 29, 2015.
  • Tohoku Kiritan: Kiritan is currently undergoing a campaign to become a Voiceroid. She is one of two sisters of Vocaloid3 vocal "Tohoku Zunko" and currently has a UTAU vocal released for her. The goal for her to become a Voiceroid was pitched at ¥4,500,000 to be raised by 18 May 2016.[13] At time of closing she raised ¥6,983,080, 55% more than was require for her to become a Voiceroid. She was released on October 27, 2016.

Voiceroid 2[edit]

  • Yuzuki Yukari:
  • Kotonoha Akane・Aoi:[14]
  • Tohoku Itako: confirmation of her production began after yet another successful crowd fund which raised ¥10,300,000 upon closing. She is the eldest sister of Tohoku Zunko and Tohoku Kiritan. [15]
  • Kizuna Akari: Confirmed for the software, she is a 15 year old female Japanese vocal. Release date is December 22, 2017[16]
  • Haruno Sora: was released on July 26, 2018 with both Vocaloid and Voiceroid vocals. Sora is a 17 year old female. [17]

See also[edit]


  1. ^ "New VOICEROID Software From AH-Software". Vocaloidism. November 14, 2009. Retrieved July 9, 2010.
  2. ^ "VOICEROID "Tsukuyomi Ai" and "Tsukuyomi Shouta" will Read Out Your Favourite Line in Moe Voices". Archived from the original on 7 July 2012. Retrieved 26 April 2016.
  3. ^ Vocaloid news article
  4. ^ "AH-Software - VOICEROIDシリーズ". Retrieved 27 April 2016.
  5. ^ "VOICEROID+ 鷹の爪 吉田くん - 入力文字読み上げソフト". Retrieved 26 April 2016.
  6. ^ "初音ミクみく". Retrieved 26 April 2016.
  7. ^ "VOICEROID+ 民安ともえ EX". Retrieved 26 April 2016.
  8. ^ "Tohoku Zunko VOICEROID+ Software Gets Release Date". Vocaloidism. August 30, 2012. Retrieved September 6, 2012.
  9. ^ "Tohoku Zunko VOICEROID+ Software Gets Release Date". Vocaloidism. Retrieved 26 April 2016.
  10. ^ "関西弁、標準語を使い分ける音声合成ソフト、琴葉茜・葵が登場!". 藤本健の“DTMステーション”. Retrieved 26 April 2016.
  11. ^ "VOICEROID+ 水奈瀬コウ EX". Retrieved 26 April 2016.
  12. ^ "男モノの使える音源、VOCALOID、VOICEROIDが揃って誕生". 藤本健の“DTMステーション”. Retrieved 26 April 2016.
  13. ^ "東北きりたん(CV:茜屋日海夏)に声をください!ボイスロイド化プロジェクト". GREEN FUNDING. Retrieved 26 April 2016.
  14. ^ https://twitter.com/ahsoft/status/856707342829625345?ref_src=twsrc%5Etfw&ref_url=http%3A%2F%2Fwww.vocaloidotaku.net%2Findex.php%3F%2Ftopic%2F69808-voiceroid2-yuzuki-yukari-kotonoha-aoiakane%2
  15. ^ http://nlab.itmedia.co.jp/nl/articles/1711/14/news087.html
  16. ^ http://www.ah-soft.com/voiceroid/akari/
  17. ^ https://www.ah-soft.com/voiceroid/sora/

External links[edit]