StemSplitter is an on-device, AI-powered audio separation and sample slicing studio built exclusively for macOS. Powered by the state-of-the-art Demucs v4 hybrid transformer architecture and accelerated natively via Apple Silicon Metal GPU, StemSplitter separates full tracks into isolated stems and production-ready one-shot samples in seconds—with zero cloud latency, zero subscription fees, and absolute privacy.

Key Features:
• 10-Stem Deep Isolation: Split any track into Acapella/Vocals, Backing Harmonies, Full Drums, Kick Loop, Top Loop (No Kick), Percussion Loop, Bassline, Sub Bass / 808, Melodic Hook, and Ambient/FX Textures.
• Automatic One-Shot Sample Slicing: Transient-detection engine automatically extracts and trims punchy Kicks, Snares, Claps, Hi-Hats, and Percussion one-shots ready to drag into your favorite sampler or DAW.
• 100% Local & Offline Processing: Your music never leaves your Mac. No cloud uploads, no monthly credits, and no waiting queues.
• Apple Silicon Metal Acceleration: High-throughput neural inference leveraging Apple M1/M2/M3/M4 GPU and Neural Engine.
• Integrated Multi-Stem DAW Player: Audition isolated stems, inspect waveforms, monitor BPM & Camelot musical key, and trigger one-shots in real time before exporting.
• Studio-Grade Master Export: Automatic True Peak limiting (-0.17 dBFS) and pristine 24-bit/32-bit float WAV, MP3, or FLAC rendering.
• Apple Notarized: Fully notarized and validated by Apple for macOS security and peace of mind.

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