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Revision as of 22:18, 8 May 2025

Natsume Itsuki
SynthV Studio 2
|
Originals
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Gallery

This article is about the Synthesizer V Studio 2 software known as a voice database. If you are looking for the Synthesizer V character then click here.

History

On March 1, 2025, two characters were introduced under the names Nakuru and Natsume Itsuki by the Japanese content production company Hifumi,inc., based on the voices of the Japanese virtual singers Nakuru Aitsuki and Itsuki Natsume respectively, and were announced to be in development for the also-upcoming Synthesizer V Studio 2 engine. Natsume Itsuki was announced to be illustrated by Japanese illustrator hanagata (花ヶ田). An official website was opened for the pair and more information was announced to be released in the future. The release date at the time was undecided.[1] On March 3, a press release with PR TIMES released additional information including concept artwork, the full illustrations for both characters and a brief description for each vocalist. Natsume Itsuki was described as a singing voice database with a lively, girlish singing voice and features a core and brilliant high-pitched voice, having a strong presence in not only cute pop songs but also intense rock songs, and is capable of achieving a fast-paced singing voice.[2] On March 5, her first demonstration was uploaded by to the official Itsuki Natsume YouTube Channel.[3]

On March 20, the day Synthesizer V Studio 2 was released, the boxart package illustrations for Nakuru and Itsuki were revealed; it was also announced that both physical and digital editions (including both standalone and Starter Pack options) would be released on April 27.[4] Pre-orders were opened the same day and would be available until April 7. Users who opt for the physical packaged edition have the option of purchasing a version including an additional bonus CD containing original songs by Natsushiro Takaaki and Sasuke Haraguchi.[5]

Voice Database Information

Demonstrations

Demonstrations

シンセV「ナツメイツキ」、うまれる YouTube
天気雨の旅 (Tenkiame no tabi) YouTube
愛のテロメア (Ai no Telomere) YouTube
My Entertainer YouTube
愛のテロメア (Ai no Telomere) - Full Version YouTube
テレパシ (Telepathy) YouTube
雑魚 (Zako) YouTube
ハッピーエンフォーサー (Happy Enforcer) YouTube
百歌繚乱 (Hyakkaryoran) YouTube
モニタリング (Monitoring) YouTube
タイムアウト代替ノイド (Timeout Daitai Noid) YouTube
view

Voice Databases

Product Information
Optimum
  Genre: Cute pop, rock

Versions
  Lite Version/FLT Available?: No  Starter Pack Available?: No  Web Version Available?: No

Package details as noted:
Natsume Itsuki is a feminine Japanese voice database based on the voice of utaite Itsuki Natsume. As expected of an AI voice database, this enables her to sound realistic and human-like.

Vocal traits as noted:
Natsume Itsuki is able to sing more realistically through changes in volume and breath, further enriching singing details, making each singing unique, and providing creators with more options. Through this mode, she can use AI Retakes to create multiple "takes" of a sung section to find an ideal vocal without the need for "laborious tuning". This feature is only available in the Synthesizer V Studio Pro Editor.

Phonetic notes as noted:
  • Phoneme format: Romaji
  • Through Cross-lingual Singing Synthesis, Natsume Itsuki can sing in not only Japanese but also in English, Mandarin Chinese, Cantonese Chinese, and Spanish. This feature is only available in the Synthesizer V Studio Pro Editor.

Vocal Modes as noted (Synthesizer V Studio Pro Editor only):

Natsume Itsuki comes with six variations within the Vocal Mode function:[6]

  • "Joyful" - A cheerful voice with a childlike energy.
  • "Mellow" - A calm and soft voice.
  • "Power" - A crisp voice with little habit.
  • "Soft" - A gentle and warm voice.
  • "Soulful" - An emotional and rough voice.
  • "Whisper" - A whisper voice with a lot of breath.

System requirements as noted:

Software Requirements:

  • Operating System:
    • Windows 11/10 or higher (64-bit only)
    • Mac OS X: 10.13 or higher
    • Linux Ubuntu 20.4 or higher (64-bit only)

Hardware Requirements:

  • CPU: Intel Core i5 or higher (or equivalent AMD CPUs) recommended
    • For high-quality editing of AI audio: Intel Core series 4th generation i5 (i5-4xxx) or higher is recommended, or AMD Athlon X4 845 or higher, including Ryzen series.
  • RAM: 2GB or higher
  • Disk Space: 1 GB or higher (for installing one voice database)
    • The amount of space required depends on the number of voice databases installed.
  • Display: 1280 x 800 or higher

Other:

  • Sound card
  • Internet connection is necessary for activation and obtaining updates.

License agreements as noted:

Voice database sample

Product Information
Optimum
  Genre: Cute pop, rock

Versions
  Trial Version Available?: Yes  Starter Pack Available?: Yes

Package details as noted:
Natsume Itsuki is a feminine Japanese voice database based on the voice of utaite Itsuki Natsume. As an AI vocal, this enables her to sound realistic and human-like.

Vocal traits as noted:
Natsume Itsuki is able to sing more realistically through changes in volume and breath, further enriching singing details, making each singing unique, and providing creators with more options. Through this mode, she can use AI Retakes to create multiple "takes" of a sung section to find an ideal vocal without the need for "laborious tuning". This feature is only available in the Synthesizer V Studio 2 Pro Editor.

Phonetic notes as noted:
  • Phoneme format: Romaji
  • Through Cross-lingual Singing Synthesis, Natsume Itsuki can sing in not only Japanese but also in English, Mandarin Chinese, Cantonese Chinese, Spanish, and Korean. This feature is only available in the Synthesizer V Studio 2 Pro Editor.

Vocal Modes as noted (Synthesizer V Studio 2 Pro Editor only):

Natsume Itsuki comes with six variations within the Vocal Mode function:[6]

  • "Joyful" - A cheerful voice with a childlike energy.
  • "Mellow" - A calm and soft voice.
  • "Power" - A crisp voice with little habit.
  • "Soft" - A gentle and warm voice.
  • "Soulful" - An emotional and rough voice.
  • "Whisper" - A whisper voice with a lot of breath.

System requirements as noted:

Software Requirements:

  • Operating System:
    • Windows 11/10 or higher (64-bit only)
    • macOS 11 or higher

Hardware Requirements:

  • CPU: Intel Core i5 (4th generation) or higher; AMD Ryzen; Apple Silicon M1 or higher.
  • RAM: 4GB or higher
  • Disk Space: 1 GB or higher (for installing one voice database)
    • The amount of space required depends on the number of voice databases installed.

Other:

  • Sound card
  • Internet connection is necessary for activation and obtaining updates.
  • An email address able to send and receive messages is required. (You need to create an account at Dreamtonics to use the product.)

License agreements as noted:

Voice database sample

References

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