Powerful Features for Professional Stem Separation
Everything you need to separate, preview, and export individual stems from any song.
AI-Powered Stem Separation
Splitvoice uses state-of-the-art neural networks including Meta's Demucs and BS-RoFormer to separate mixed audio into individual stems with studio-grade quality.
- Free: Demucs — 4 stems (vocals, drums, bass, other)
- Pro: Demucs FT + BS-RoFormer — up to 6 stems (+ guitar, piano)
- Fine-tuned hybrid transformer models
- Industry-leading separation quality
Built-in Stem Mixer Pro
Preview each stem individually or create custom mixes by adjusting volume, pan, stereo width, and EQ for each stem in real-time (Pro).
- Full mixer with Gain, Pan, Stereo Width controls
- HPF, LPF, and 3-band EQ per stem
- Export Mixdown with all DSP applied
- Real-time stem preview
GPU-Accelerated Processing Pro
Leverage your NVIDIA GPU with CUDA acceleration for up to 10x faster processing (Pro only). Complete a full track separation in seconds instead of minutes.
- NVIDIA CUDA support
- Up to 10x faster than CPU
- Automatic GPU detection
- Falls back to CPU when needed
100% Local & Private
Unlike cloud-based services, Splitvoice runs entirely on your local machine. Your audio files never leave your computer — no uploads, no servers, no privacy concerns.
- Zero data upload
- Offline operation
- No account required
- GDPR compliant by design
Two AI Models to Choose From Pro
Pick the model that fits your needs. Free includes Demucs for 4-stem separation. Pro adds BS-RoFormer for deeper instrument detail with 6 stems.
- Free: Demucs — vocals, drums, bass, other
- Pro: BS-RoFormer — + guitar, piano
- Switch models on the fly
- Compare results side by side
Broad Format Support
Work with virtually any audio format. Splitvoice handles everything from high-resolution WAV files to compressed MP3s and modern formats like FLAC and M4A.
- Import: MP3, WAV, FLAC, M4A, OGG
- Free export: WAV
- Pro export: WAV, MP3, FLAC
- High-resolution audio support (up to 48 kHz / 24-bit)