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Nova
Sphere
OS
Home
Terminal
Fellowship
Fluent
Personal
Sync
Voice
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Task Board
Tap the mic to talk to Nova
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Stop voice
Voice & Avatar
build 8
×
Voice engine
ElevenLabs (most realistic)
Azure Neural (high quality)
Browser voice (free, offline)
No ElevenLabs key on the server — add ELEVENLABS_API_KEY to web/.env to enable.
No Azure key on the server — add AZURE_SPEECH_KEY to web/.env to enable.
ElevenLabs voice
Jessica — playful, bright, warm (default)
Bella — professional, bright
Lily — velvety, soft
Matilda — knowledgeable, pro
Sarah — mature, confident
Laura — quirky, energetic
Alice — clear, engaging
Arabella — expressive
Quality vs speed
Turbo — fast, great (default)
Multilingual v2 — highest quality, slower
Flash — fastest, lower cost
Azure voice
Ava — warm, natural (default)
Jenny — friendly
Aria — expressive
Emma — soft
Michelle — calm
Sonia — British
Nancy — youthful
Style (optional)
Default
Cheerful
Friendly
Gentle
Excited
Hopeful
Whispering
Browser voice
Rate
0%
Slower
A little slow
Normal
A little fast
Faster
Pitch
Lower
Normal
Higher
Much higher
Speak replies aloud automatically
Test voice
Nova character
Hiyori — animated
Mao — animated
Haru — animated
Nova — pink + teal (default)
Nova — cyberpunk
Nova — violet
Nova — teal
Custom (uploaded / URL below)
Avatar type
Live2D (animated anime model)
Image (anime art with neon glow)
Live2D model URL (.model3.json)
Upload avatar image
Glow / aura effect
Save
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NovaSphereOS
Nova
Sphere
OS
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