Looper with FFT for transcribing

Drop an audio file here

or browse — mp3, wav, flac, m4a, ogg, opus

or load from a URL

0:00.000:00.00

0:00.00 / 0:00.00

Editing Loop A len 0.00s

Start (seconds)

End (seconds)

Loop the active regionon — playback repeats within Loop A

1.00×

Capture

93 ms window · 10.8 Hz resolution

Level 70%

Clarity 55 dB

Partials in the frozen sound

These are the strongest peaks in the spectrum — fundamentals and their overtones, so expect octaves and fifths above each note you actually played. Cents show how far each peak sits from equal temperament.

Space play / pause 12 switch Loop A / B L loop on / off F freeze / release [ start = playhead ] end = playhead ←→ nudge 0.25s Esc stop