Skip to content

Sattari Studio lab

Key & BPM Alpha

Find the key. Feel the tempo. Analyze your tracks, compare the results and build your next set.

Runs on your device. No uploads.
Add tracks

Add tracks

Drop many files at once · WAV, MP3, FLAC, M4A, OGG · up to 10 min each

Save a report to reopen completed measurements. Source audio is not included. Opening a report adds its results to this list.

Tracks 0

Add your music to see its key, tempo and Camelot code here.

Alpha: what it does not do yet

  • Key is one global estimate per track (Sattari AutoKey). Key changes, modal or atonal music are not reported separately.
  • BPM can land on half or double time. "Rough" means the strict estimator declined and a single 60-second pass was used, folded into 70–180 BPM.
  • Up to 10 minutes and 200 MB per file, mono or stereo, in formats your browser can decode.
  • Save a report to reopen measured results after closing this tab, or export CSV. Reports contain no audio; choose source files to analyze again.
  • Fixture-tested, not benchmarked on a labelled music corpus yet: treat values as starting points.