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HALO

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This project is currently in production.

According to official sources, this project was announced to currently be in production or is in its conceptual stages.
Please read the page for more information.

HALO
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HALO (ハロ Haro) is an upcoming Japanese vocal to be developed and distributed by Bushiroad Inc. in collaboration with AH-Software Co. Ltd., which will be released as an AI voice database for the also-upcoming Synthesizer V Studio 2 software in March 2025 (along with an AI voice database compatible with the older Synthesizer V Studio engine). She is the fourth vocal to be released as a part of Bushiroad Inc.'s BanG Dream! AI Singing Synthesizer project, Yumenokessho (夢ノ結唱, English; "A Dream Duet").

Her voice provider will be Miku Itou.

Concept[]

HALO is a representation of Tsurumaki Kokoro, one of the protagonists of the BanG Dream! franchise. Kokoro was a first-year student at Hanasakigawa Girls' High School when she debuted, now being a third-year at the same school, and is the leader and vocalist for Hello, Happy World!.

On her official profile, Kokoro is noted to be a girl who loves to see others smile and is curious by nature. Her eyes glimmer with excitement on her never-ending search for fun things to do. Being the only daughter of well-off parents has allowed her unrealistic ideas to be brought to life.[1]

While the character is based on Tsurumaki Kokoro, the Song Voice library is meant to capture the sounds of Hello, Happy World! and was named HALO as a result, a short deformation from the band name.

Etymology[]

HALO's name comes from Tsurumaki Kokoro's band name Hello, Happy World!, and more especially a deformation from the Japanese katakana for the band name.

Appearance[]

HALO ref sheet
Reference sheet

WIP

HALO's illustration was designed and illustrated by yonemuro (米室), a Japanese illustrator.

Relations[]

History[]

2023[]

On December 31, 2023, the official Twitter account of the Yumenokessho project tweeted end-of-year greetings, thanking fans for their support for the project. They announced that in 2024, a new character would join the project, and further announcements would be made "around the time when the spring cold eases and the buds begin to bloom".[2] The tweet was met with widespread excitement from fans, sparking speculations about which BanG Dream! character would receive a voice database and which synthesis engine would be used.

2024[]

In an interview published by Sound & Recording magazine on January 12, 2024, when asked about future release plans, Yumenokessho project producer Tsuho Kusumi revealed, "The next two release characters have been decided. We will be able to release information around spring, so please look forward to it!".[3]

On April 25, during a live announcement called Girls Band Party! Station, the silhouettes of HALO and PASTEL were shown, before showcasting their full renders and their reference sheets, announcing both of the characters for the Synthesizer V AI engine.[4][5] However, no release date for either of them was given yet.

2025[]

On February 13, 2025, new details regarding the Synthesizer V AI Yumenokessho series were revealed. The official announcement confirmed the upcoming release of Synthesizer V 2 AI HALO and PASTEL, along with Synthesizer V 2 AI upgrades for POPY and ROSE. Pre-orders for a limited production package version became available through the Bushiroad Online Store on the same day.[6]

The release schedule for Synthesizer V 2 AI HALO and PASTEL was also confirmed, with pre-orders for the Limited Production Package Version available from February 13 to March 7 at 18:00 JST, ahead of its scheduled release on April 25, while the Download Version will be available for purchase starting March 28. Additionally, customers who purchase Synthesizer V 2 AI PASTEL and HALO will receive a compatibility version for use within Synthesizer V Studio 1.[7]

Voice Libraries[]

Voice Database Information[]

Demonstrations[]

Demonstrations
view

Voice Databases[]

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

Package details as noted:
HALO is expected to be a feminine Japanese voice database. As expected of an AI voice database, this would enable her to sing with a more human-like, natural, and realistic voice.

Vocal traits as noted:
With Diffusion Probabilistic Models (DPM), HALO would be 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, HALO is expected to 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):
TBA

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
Versions
  Lite Version/FLT Available?: TBA  Starter Pack Available?: Yes (Upcoming)  Web Version Available?: No

Package details as noted:
HALO is expected to be a feminine Japanese voice database. As expected of an AI voice database, this would enable her to sing with a more human-like, natural, and realistic voice.

Vocal traits as noted:
With Diffusion Probabilistic Models (DPM), HALO would be 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, HALO is expected to 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):
TBA

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 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

Additional Information[]

Marketing[]

TBA

Reputation[]

HALO's character status


References[]

Navigation[]

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Synthesizer V Wiki Directory
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Introduced since
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Eleanor Forte (SV • SVS) • Yamine Renri (SV • SVS) • GENBU (SV • SVS) • AiKO (SV • SVS) • Chiyu (SV • SVS) • Shian (SV • SVS) • Cangqiong (SV • SVS) • Haiyi (SV • SVS)
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Muxin (SVS) • Minus (SVS) • Koharu Rikka (SVS) • Tsurumaki Maki (SVS: JPN • ENG) • Tsuina‑chan (SVS) • Qing Su (SVS) • ANRI (SVS • Arcane) • SOLARIA (SVS) • Kyomachi Seika (SVS) • Ryo (SVS) • Kevin (SVS) • Xingchen (SVS) • Mo Chen (SVS) • Natsuki Karin (SVS) • An Xiao (SVS) • Feng Yi (SVS) • Weina (SVS) • Yuma (SVS) • Natalie (SVS) • Hanakuma Chifuyu (SVS) • Mai (SVS) • ASTERIAN (SVS) • Xuan Yu (SVS) • Cong Zheng (SVS) • Cheng Xiao (SVS) • XIA YU YAO (SVS) • Ninezero (SVS) • JUN (SVS) • Kasane Teto (SVS) • Lin Lai (SVS) • Yun Quan (SVS) • Ritchy (SVS) • D‑Lin (SVS) • Haruno Sora (SVS) • Eri (SVS) • Sheena (SVS) • Hayden (SVS) • Wei Shu (SVS) • SAROS (SVS) • Ayame (SVS) • Jin (SVS) • GUMI/Megpoid (SVS) • POPY (SVS) • ROSE (SVS) • OSCAR (SVS) • Yi Xi (SVS) • Frimomen (SVS) • ROSA (SVS) • Ling Wan (SVS) • NOA (SVS) • Miyamai Moca (SVS) • NYL (SVS) • Topaz (SVS) • Felicia (SVS) • Riku (SVS) • Hibiki Koto (SVS) • Otomachi Una (SVS)
Upcoming
Chiyu AI • Eleanor Forte Standard • GALENAIA • HXVOC
Synthesizer V Studio 2: An Xiao 2 • ASTERIAN 2 • Ayame 2 • Cheng Xiao 2 • Cong Zheng 2 • D‑Lin 2 • Eri 2 • Felicia 2 • Feng Yi 2 • HALO • Hanakuma Chifuyu 2 • Hayden 2 • Hibiki Koto 2 • Hiyama Kiyoteru • Jin 2 • Kasane Teto 2 • Kevin 2 • Koharu Rikka 2 • Liam • Ling Wan 2 • Lin Lai 2 • Megpoid 2 • miki • Miyamai Moca 2 • Mo Chen 2 • Mo Xu • Natalie 2 • Natsuki Karin 2 • Ninezero 2 • NYL 2 • OSCAR 2 • Otomachi Una 2 • PASTEL • POPY 2 • Qing Su 2 • Riku 2 • Ritchy 2 • ROSA 2 • ROSE 2 • Ryo 2 • Saki 2 • SAROS 2 • Sheena 2 • SOLARIA 2 • UNI • Weina 2 • Wei Shu 2 • XIA YU YAO 2 • Xuan Yu 2 • Yi Xi 2 • Yuma 2 • Yun Quan 2
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JA-F1 • KAFU • MAN-F1 • MAN-M1 — Private: Shirakami Meito
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