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OpenScofo Event Annotator

Precise onset labels, without leaving the browser

Audio stays on this device

♫

Drop an audio file here

WAV, MP3, FLAC, OGG, or any format supported by your browser

Choose audio

ReplaceImport marks

00:00.000 / 00:00.000

Speed Event clicks

Pitch —

Click to seekScroll horizontally when zoomed

Zoom Pitch contour

Press M during playback or pause precisely before marking.

Event annotations

0 events

No events yet. Start playback and press M at each score event.

Space Play/pauseM MarkJL Seek ±1 s←→ Seek ±1024 samplesCtrl Z UndoDel Delete