Detects tempo from any audio input and syncs BPM + beat phase to Resolume Arena via Ableton Link.
Download FreeSpectral flux + energy analysis detects tempo from any audio input — line-in, audio interface, or mic.
Broadcasts BPM + beat phase over Link. Connects to Resolume Arena, Ableton Live, and any Link-enabled app.
Tap to guide detection toward the correct BPM range. Resolves half/double-time ambiguity instantly.
4 dots show which beat in the 4/4 bar is playing. Your visuals know exactly where in the bar the music is.
Compact, resizable window sits on top of your VJ software. Minimum 150x150px footprint.
Instantly switch between half-time and double-time with one click.
Open FLAYSync and select your audio input device.
BPM is detected automatically. Tap Space to help lock tempo.
When BPM locks, it syncs to Resolume and any Ableton Link app instantly.
Free & open source
macOS 10.15+ • Windows 10+
Download FreeFree to download — tip if you'd like to support development
View source on GitHub →