StemSlicer AI

Offline 4-Stem Harmonic-Percussive Audio Separator & BPM Key Estimator

Professional offline audio stem isolation workstation. Separates mixed music tracks into clean Vocals, Drums, Bass, and Other instrumental stems using localized deep DSP neural networks without uploading your proprietary music to cloud servers.

Purchase License ($39.99) Open Live Web Portal

Real Desktop Application Screens • Captured from the Running Program

100% Native Executable Node-Lock Verified

Head-to-Head Competitor Analysis

Why StemSlicer AI is cheaper, faster, and more secure than iZotope RX 11 ($1,199) / Lalal.ai ($30/mo subscription).

Comparison Metric	StemSlicer AI	iZotope RX 11 ($1,199) / Lalal.ai ($30/mo subscription)
License Model & Price	$39.99 (One-Time Perpetual)	$360/year subscription to $1,199 suite
Annual Financial Savings	Save $320 - $1,160/yr every single year
Competitor Drawbacks	Prohibitive cloud subscription models charging per minute of audio, unreleased music uploaded to third-party servers
Why Vivian Is Better	One-time $39.99 perpetual license, 100% offline local processing, unlimited audio processing, zero cloud privacy risk
Execution Environment	100% Offline Air-Gapped	Mandatory cloud check-in
Runtime Telemetry	Zero Telemetry (0.00KB sent)	Cloud telemetry & user tracking

Engineering Specifications & Features

100% offline 4-stem neural isolation: Vocals, Drums, Bass, and Other instruments

Accelerated GPU and AVX2 CPU inference executing faster than real-time playback

Zero cloud upload: full privacy for unreleased master tracks, sample libraries, and studio recordings

Precision BPM detection and musical key root estimation with camelot wheel mapping

Lossless 32-bit floating point WAV, FLAC, and AIFF audio export

Batch folder processing: slice entire DJ libraries and multi-track stems automatically

Graphical Interface (GUI) Architecture

Multi-track audio waveform timeline with individual stem mute/solo buttons, volume faders, spectral spectrogram view, and one-click export.

Headless CLI Reference & Execution

StemSlicer AI includes a headless command-line binary ready for automation pipelines, cron daemons, and CI/CD runners:

# Headless command execution:
stemslicer --input master.wav --stems 4 --out-dir ./stems/ --format flac --device cuda
# Cryptographic node-lock activation:
stemslicer --activate YOUR-CROCKFORD-KEY

Core Architecture & Asymmetric Security

Embedded ONNX runtime with quantized Demucs neural model, optimized for local CPU/GPU inference with zero network telemetry.