Lock picture to sound, in a flash.
FrameTone fires a precisely aligned screen flash + audio tone so broadcast teams can dial lip-sync fast. Built for iOS & Android, designed for the field.
Green within ±40/−60 ms
Warn near limits
Out of tolerance
Built for live production
Everything you need on the field—nothing you don't.
One-tap Generator
Cadence 0.5–2 Hz, 40–160 ms flash/tone, 800–2 kHz tone. Big controls for stadium lighting.
Time-locked Stimuli
Flash and tone are scheduled on the same native clock for tight alignment and repeatability.
Field-smart Options
Torch assist, event labels, HDMI-safe UI. Works acoustically or via HDMI/audio injection.
How it works
On the field (Generator)
- Open FrameTone and set cadence (e.g., 1 Hz).
- Stand in frame or feed HDMI into the chain.
- Tap Start to fire flash + tone bursts.
In the truck/studio (Analyzer)
- Point any analyzer at program video + audio.
- Read audio lead/lag in ms and dial delay to ~0.
- Save a pass/fail snapshot for the show report.
Get FrameTone
Coming soon to App Store & Google Play. For now, grab the beta builds.