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Official illustration, Synthesizer V
| |
| Developer(s) | AI, Inc. AH-Software Co. Ltd. |
|---|---|
| Initial release | April 25, 2014 |
| Stable release | AI VOICE 2: Kotonoha Akane ＆ Aoi / December 22, 2023 |
| Operating system | see #Development |
| Available in | Japanese, English, Mandarin |
| Type | Vocal Synthesizer Application |
| Website | https://aivoice.jp/character/kotonoha/ |
Kotonoha Akane & Aoi (Japanese: 琴葉茜・葵) are a pair of Japanese VOICEROID+ voicebanks released 25 April 2014. They were produced by AI, Inc. using AITalk [ja] and distributed by AH-Software, with voiced by Yui Sakakibara.[1]
| Year | Software | Voicebanks | Engine | Application | Operating system |
|---|---|---|---|---|---|
| Text-to-speech | |||||
| 2014 | Kotonoha Akane & Aoi (VOICEROID+) | — | AITalk 3 | — | Windows |
| 2017 | Kotonoha Akane & Aoi (VOICEROID2) |
|
AITalk 4 | Voiceroid 2 | |
| 2020 | Kotonoha Akane & Aoi (A.I.VOICE) |
|
AITalk 5 | A.I.Voice Editor | |
| 2021 | A.I.Voice Kotonoha Akane & Aoi English |
|
Unknown | ||
| 2022 | Kotonoha Talk Chinese |
|
Unknown | ||
| 2023 | Kotonoha Akane & Aoi (A.I.VOICE2) |
|
AITalk 6 | A.I.Voice 2 Editor |
|
| Singing voice synthesis | |||||
| 2020 | Kotonoha Akane & Aoi (Synthesizer V Studio) |
|
Synthesizer V Standard | Synthesizer V Studio |
|
| 2022 | Kotonoha Akane & Aoi Song Library (NEUTRINO) |
|
Unknown | Neutrino |
|
| Voice conversion | |||||
| 2021 | Kotonoha Akane & Aoi Voice Model for Voidol |
|
R.C.voice | Voidol |
|
| 2022 | Kotonoha Akane & Aoi (Seiren Voice) |
|
Unknown | Seiren Voice | Windows |
Kotonoha Akane & Kotonoha Aoi's VOICEROID+ voicebank was distributed by AH-Software and released on 25 April 2014.[1] The VOICEROID2 voicebank released on 9 June 2017, added a Voice Style feature.[2]
On 22 February 2020, a text-to-speech synthesizer software A.I.VOICE [ja] released the product "A.I.Voice Kotonoha Akane & Aoi", added two voicebanks with younger voices, Kotonoha Akane Tsubomi and Kotonoha Aoi Tsubomi.[3] The English version released on 10 December 2021[4] and Chinese on 22, September, 2022.[5]
Kotonoha Akane & Aoi's shared singing library for Synthesizer V [ja] Studio produced by AH-Software released on June 26, 2020. The recommended rhythm is between 70 and 180 bpm, and the recommended range is between E3 and D5. The included scales are G ♯ 3, C ♯ 4, F ♯ 4, and C5 (falsetto).[6]
The NEUTRINO [ja]'s Kotonoha Akane & Aoi singing voice library have been available for free to users who purchase "A.I.Voice Kotonoha Akane & Aoi" since 25 April 2022. The recommended range for Kotonoha Akane is between mid1G and hiC (G3 to C5), with a recommended rhythm of 120 to 180 bpm, and the recommended genres are rock, pop music, etc.; The recommended range for Kotonoha Aoi is between mid1G and hiC (G3 to C5), with a recommended rhythm of 80 to 140 bpm, and the recommended genres are pop, folk music, etc.[7]
The voice model library of Kotonoha Akane & Aoi for an AI voice conversion application Voidol was produced by Crimson and released on 12 October 2021.[8] Released on 17 May 2022, the voicebank of Kotonoha Akane & Aoi for a voice conversion software Seiren Voice was produced by Dwango.[9]
Kotonoha Akane & Aoi's character art were designed by Japanese illustrator Yoshida Yoshitsugi. They are a pair of twin sisters.[1]
Akane is used to speaking in the Kansai dialect for she lived in Kansai region for a long time, and Aoi has standard intonation.[1] Akane is "outgoing and cheerful" while Aoi is "calm and reliable".[10]
