HootSync
Next-generation ARA 2 vocal timing alignment and editing engine. Engineered for zero-bloat performance across Linux, Windows, and macOS.
ARA 2 Integration
Instant DAW timeline region reading powered by Celemony's ARA 2 protocol. No manual 2-pass playback capture required.
Dynamic Time Warping
Automated non-linear alignment algorithms lock backing vocals and dub tracks to your master lead vocal in seconds.
Interactive Warp Pins
Full visual control over timing stretch points with non-destructive, sub-band dynamic rendering.
Technology & Open Source Attribution
HootSync relies on fast, deterministic open-source algorithms to deliver high-performance vocal processing:
WORLD Vocoder Engine: Parametric vocal analysis and resynthesis technology (© Masanori Morise, BSD 3-Clause License).
ARA 2 Protocol: Audio Random Access technology licensed under Apache 2.0 (© Celemony Software GmbH).