Quiet textures. Strong emotion.
SOTTOVOCE
SOTTOVOCE brings a curated collection of ultra-soft, fragile, close-mic’d tones into the Soundbox engine. Every sound source has been crafted from whispered bow movements, delicate friction tones, intimate glass sustains, dry metallic resonances, soft string harmonics, and airy non-melodic breath textures — all shaped into playable instruments.
Nothing loud. Nothing bold. Only the quiet beauty that sits behind the emotion of a scene.

What SottoVoce Offers:
- Playable, expressive quiet tones. Each sound source is playable across the keyboard and offered in several split zones, giving you subtle pitch drift, organic imperfections, and natural movement.
- Round robin variants for realism. Even a single recorded octave gains life through multi-sample variations, preventing repetition and giving intimate tones a human feel.
- Multi-Layer Soundbox Engine. Blend up to four layers of fragile textures: combine bow whispers with glass sustains, or breath-tones with metal friction for a unique palette.
The Sound of SottoVoce
Glass, Bowls & Crystal
- Thin wine-glass rims rubbed to produce shimmering sustained tones
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Fragile glass rods and plates bowed for high, brittle harmonics
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Crystal-like overtone layers with minimal resonance
Fragile glass rods and plates bowed for high, brittle harmonics
Crystal-like overtone layers with minimal resonance


Bowed & Friction Metals
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Soft bowing of metal sheets
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Gentle resonances from brass and steel bowls
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Friction-based tones with airy metallic hiss and controlled sustain
Soft bowing of metal sheets
Gentle resonances from brass and steel bowls
Friction-based tones with airy metallic hiss and controlled sustain
Strings (Whisper-Level)
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Violin sul-tasto breathy sustains
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Cello harmonic whispers
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Ultra-soft bow noise mixed with faint overtones
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Bowed non-pitched artefacts and quiet tremble gestures
Violin sul-tasto breathy sustains
Cello harmonic whispers
Ultra-soft bow noise mixed with faint overtones
Bowed non-pitched artefacts and quiet tremble gestures


Air & Breath-Based
- Air through thin tubes producing faint, airy tone
- Female breathy voices and phrases in all keys mapped on high keys
- Soft breath-harmonic sustains (non-melodic)
- Fragile reed and whistle overtones
What You Can Do with SottoVoce:
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Build emotional, fragile pads that feel human
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Layer glass harmonics with bowed metals for cinematic shimmer
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Create soft tension beds that never overpower dialogue
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Add subtle motion with Soundbox’s round-robin system
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Craft whisper-quiet atmospheres for intros, transitions, and spiritual or reflective moments
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Use as a foundation for delicate cues, ambient textures, or sound design beds
Build emotional, fragile pads that feel human
Layer glass harmonics with bowed metals for cinematic shimmer
Create soft tension beds that never overpower dialogue
Add subtle motion with Soundbox’s round-robin system
Craft whisper-quiet atmospheres for intros, transitions, and spiritual or reflective moments
Use as a foundation for delicate cues, ambient textures, or sound design beds






