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Tange Kotoe (タンゲコトエ) is a vocal synthesizer character derived from the Virtual YouTuber Tange Kotoe ((たん)()(こと)()). Following a successful crowdfunding campaign beginning in October 2021, Tange Kotoe was released as a Japanese A.I.VOICE text-to-speech library through the A.I.VOICE Junior program, developed by the Tange Kotoe project in collaboration with AI, Inc. on March 25, 2022.[1] An updated version for A.I.VOICE2 was released in June 2024.

Concept[]

Tange Kotoe is a spirit created by the Virtual YouTuber Tange Kotoe, used as a means to propagate herself. She wears a different costume from the original Tange Kotoe and as she spends time with her master "you", she experiences and learns various things, and develops herself into "your" Tange Kotoe.[2]

Similar to the Virtual YouTuber Tange Kotoe, A.I.VOICE Tange Kotoe also has the ability to transform into the form of a beast.[3]

Etymology[]

Tange Kotoe's name is a derivative of the Virtual YouTuber Tange Kotoe's (丹下琴絵) name written in Katakana script.

Relations[]

  • Tange Kotoe ((たん)()(こと)(), full name 丹比(たじひ)(こと)()()(みこと)(ひめ)) - Fox-god and V-Tuber who Tange Kotoe's A.I.VOICE is derived from.
  • Kakyo Yosari - fellow created-spirit by a V-Tuber who develops into "your" Kakyo Yosari.

History[]

2021[]

On June 24, 2021, the official Virtual YouTuber Tange Kotoe Twitter account announced the production an A.I.VOICE text-to-speech library to be made in collaboration with AI, Inc. through the use of the A.I.VOICE Junior program.[4][5] Her official illustrator was announced to be Karei (かれい), the same illustrator of Kotoe's VTuber illustrations.[6] A crowdfunding campaign was announced for Kotoe's A.I.VOICE production following a short hiatus of VTuber Tange Kotoe's streaming activities for the remainder of the month.[7]

On July 10, the VTuber Tange Kotoe was announced to be an invited guest of the 5th A.I.VOICE Live Broadcast held on July 16 and discussed details of the production of the A.I.VOICE library.[8][9] Leading up to broadcast, VTuber Tange Kotoe released details of the crowdfunding campaign on July 14, including the crowdfunding goals, tiers and rewards during her own broadcast and again the following day on July 15.[10][11][12][13] The crowdfund, announced to be held via GREENFUNDING, was officially opened of July 16, with an initial goal of ¥2,000,000 yen, of which nearly ¥600,000 was raised within the first fifteen minutes.[14][15] Within only two hours, 100% of the initial goal was reached, prompting the decision for the production of Kotoe's A.I.VOICE library.[16][17]

The first stretch goal was reached on July 29, prompting the development of an additional "High Tension" (ハイテンション) emotion style.[18] The first sample voice of Tange Kotoe's library was released on August 1. A second stretch goal to develop a "Low Tension" (ローテンション) emotion style for Kotoe was also announced and was achieved on August 21.[19][20] A physical edition of Kotoe's A.I.VOICE was announced towards the end of the crowdfund that would only be available to supporters of the crowdfund. An initial concept of Kotoe's A.I.VOICE illustration was also released.[21] It was noted that the decision for limiting the physical edition to the crowdfund was made in favor of creating a stable vocal with emotion styles, allowing for a cheaper production cost. It was unknown how well the physical edition would sell in the general market.[22] Crowdfunding concluded on August 31, reaching 366% of the initial goal and raising a total of ¥7,206,018 yen. A celebratory broadcast was hosted the following day on September 1.[23][24][25] An official three-view reference of Kotoe's design was released on November 28, illustrated by Karei and the release date for her A.I.VOICE library was announced for early on in the following year. She was priced at ¥9,680 yen and would be available as a digital download only product.[26]

2022[]

The first official demonstration of Kotoe's A.I.VOICE library was released on February 22, 2022, focusing on Kotoe's speaking intonation.[27] The official release date was announced to be for March 25, 2022, available on distributors such as Vector PC Shop and DLsite respectively.[28] Pre-orders were announced to begin March 11.[29][30] Pre-orders opened on March 11 as intended and a trial edition of Kotoe was released the same day alongside fellow A.I.VOICE libraries Shiki Rowen and Shiki Taigen. Kotoe's final illustration was also revealed, illustrated by Karei.[31][32] Crowdfund supporters received early access to Kotoe's library starting on March 21.[33] A series of countdown illustrations were released leading up to the official release.[34]

Tange Kotoe released for A.I.VOICE on March 25, 2022 as expected.[35]

Marketing[]

Through the crowdfunding campaign, various pieces of merchandise were offered to supporters including an official plush pillow[36] as well as an official Go-shuin (御朱印) book.[37] An official Twitter account was created for A.I.VOICE Tange Kotoe on August 31, 2021.[38][39] Additional standing illustration materials were released on October 5, 2021.[40] A trial edition of Kotoe was released on March 11 alongside fellow A.I.VOICE libraries Shiki Rowen and Shiki Taigen.[41]

An official website was created for Tange Kotoe[42]A commemorative broadcast featuring Kotoe was released on March 27, 2022.[43] She received an official 3D model created for MikuMikuDance by 3D modeler moto (モト) on November 11, 2022.[44]

Voicebanks[]

Tange Kotoe

References[]

  1. https://twitter.com/kotoettyan/status/1415977980531118082
  2. https://kotonoejinjya.wixsite.com/tangekotoe/%E4%BA%BA%E7%89%A9%E5%B8%96-1
  3. https://twitter.com/kotoe_project/status/1459129116192436225
  4. https://twitter.com/kotoettyan/status/1407671472693256198
  5. https://twitter.com/kotoettyan/status/1407687358414159873
  6. https://twitter.com/kotoettyan/status/1407691917555474439
  7. https://twitter.com/kotoettyan/status/1407713958534860800
  8. https://twitter.com/AIVOICE_PR/status/1413408724379574274
  9. https://www.youtube.com/live/QbbpyTluHdY?si=l0Dp8fu7r6DSRaDF
  10. https://www.youtube.com/live/r9BDRzBmHSk?si=V4GIetrWk2_qGyn1
  11. https://twitter.com/kotoettyan/status/1415280044990111752
  12. https://twitter.com/kotoettyan/status/1415302124460593155
  13. https://www.youtube.com/live/EwT5DAp1gk8?si=irfykm6DD123YFnR
  14. https://greenfunding.jp/pub/projects/4804
  15. https://twitter.com/kotoettyan/status/1415977980531118082
  16. https://twitter.com/kotoettyan/status/1415998061831065603
  17. https://twitter.com/kotoettyan/status/1416039091926224903
  18. https://twitter.com/kotoettyan/status/1420714536030461954
  19. https://twitter.com/kotoettyan/status/1421493208744218629
  20. https://twitter.com/kotoettyan/status/1421488825470132225
  21. https://twitter.com/kotoettyan/status/1430861083380645896
  22. https://twitter.com/kotoettyan/status/1431948506571284481
  23. https://twitter.com/kotoettyan/status/1432468779317927944
  24. https://twitter.com/kotoettyan/status/1432737370500067334
  25. https://twitter.com/kotoettyan/status/1432975326833901573
  26. https://twitter.com/kotoe_project/status/1464561641962434563
  27. https://twitter.com/kotoe_project/status/1495722469583433732
  28. https://twitter.com/AIVOICE_PR/status/1502241268176338946
  29. https://twitter.com/kotoe_project/status/1496095077302947843
  30. https://twitter.com/AIVOICE_PR/status/1502240979922735105
  31. https://twitter.com/kotoe_project/status/1502258145397473280
  32. https://twitter.com/AIVOICE_PR/status/1502162515169792000
  33. https://twitter.com/kotoe_project/status/1505518148510175233
  34. https://twitter.com/kotoe_project/status/1507009341097799684
  35. https://twitter.com/AIVOICE_PR/status/1507189219458174977
  36. https://twitter.com/kotoe_project/status/1482299677743943686
  37. https://twitter.com/kotoe_project/status/1493192071603421184
  38. https://twitter.com/kotoe_project/status/1432292757771407364
  39. https://twitter.com/kotoe_project/status/1432292449729204224
  40. https://twitter.com/kotoettyan/status/1445427193480286211
  41. https://twitter.com/kotoe_project/status/1502258145397473280
  42. https://aivoice.jp/product/kotoe/
  43. https://twitter.com/kotoe_project/status/1507365711269687301
  44. https://twitter.com/kotoe_project/status/1591404729019822080

External links[]

Official[]

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