Sync Calibrator
No files loaded
Files
Parameters
Timeline — tap to seek
playhead
melody start
page turns
Current
0:00.000
Melody Start
Playback
Fine-tune offset
Count-in Monitor
— bars to go
Press ▶ to preview
No score loaded
Load a MusicXML file
𝄞
Load a MusicXML file on the Load tab
Page Turns

Define which measure number starts each page of the PDF score. The timestamp is calculated automatically from your beatmap.

No page turns added yet.
Page 1 starts at measure 1 by default.
Video Transition
Sync Data — JSON
// load files to generate
How to use

1. Load — add audio + MusicXML, confirm BPM and time sig.

2. Sync — play audio, tap MARK MELODY START when the melody begins. Fine-tune with nudge.

3. Score — verify measure highlighting looks correct during playback.

4. Pages — enter the first measure number of each page of your PDF score. Timestamps are calculated automatically.

5. Export — copy the JSON and save it with your piece files. Use it with the video renderer script to generate page-turn videos automatically.