Open Source Licenses
Vampro Voice Studio for Adobe Premiere Pro
Effective September 20, 2026
Vampro Voice Studio is built from strictly permissive open-source components and models.
1. Vampro Application Source
- Vampro Voice Studio Premiere Pro panel: MIT, Vampro.
- Adobe UXP React Starter / Host Controllers: Apache-2.0.
- Vampro Voice Studio Windows companion daemon: MIT, Vampro.
- Local DSP speaker grouping & frequency fallbacks: MIT, Vampro.
2. Runtime Models & Engine Components
| Component | Purpose | License |
|---|---|---|
| Chatterbox GGUF Pack | Offline cloned TTS & voice conversion | MIT |
| audio.cpp Native Worker | Local GGUF model runner (CPU & Vulkan) | Apache-2.0 |
| Denoiser Profiles | Spectral noise profiling WAV assets | MIT |
| Spleeter Two-Stem Model | Vocal and accompaniment isolation | MIT |
| sherpa-onnx Separator | Native runner for neural separation | Apache-2.0 |
| ONNX Runtime | Deep learning execution engine DLLs | MIT / Notice |
| React & React DOM | UXP panel UI rendering | MIT |
| ElevenLabs API Client | Optional cloud speech generation | Proprietary / BYOK |
3. Permissive-Only Distribution Policy
Vampro maintains a strict permissive-only license policy. All runtime components, models, and dependencies must be governed by permissive open-source licenses such as MIT, Apache-2.0, or BSD. Copyleft licenses (GPL, AGPL, LGPL) and non-commercial model weights are excluded from production builds.
4. Third-Party Platform Rights
Adobe Premiere Pro, Adobe UXP, Windows, and GPU hardware drivers (NVIDIA, AMD, Intel) are separate proprietary platforms. The open-source licenses above do not grant rights to those proprietary products.