TAG
Tools tagged "tempo"
4 tools
Tools that work with tempo — BPM detection, metronome.
All NoSend Tools that carry the "tempo" tag. Everything runs inside the browser — your inputs never leave your device.
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BPM auto-detect — estimate the tempo of an audio file
Drop an audio file (MP3 / WAV / M4A / FLAC / OGG) and we estimate the BPM in-browser using a low-pass filter + peak picker + histogram. Great for finding the tempo of a DJ partner track, checking sample packs, matching dance / running cadence, or grabbing a source BPM before running bpm-time-stretch. Half-tempo and double-tempo candidates are also shown so you can override 4-on-the-floor misreads (60 vs. 120). Everything stays in your browser.
audiotempo
BPM tap — measure tempo by tapping along
Tap a button (or press space) along with a song and the tool computes BPM from the recent inter-tap intervals using the median. Outlier-resistant median + IQR-based stability, up to 16 recent taps, with reset / history clear. Optional Web Audio metronome plays in sync with the detected BPM. All processing runs in your browser.
audiotempo
BPM time-stretch — match a target BPM from your source
Enter the source BPM and target BPM, and soundtouchjs (SoundTouch) re-times the audio by `tempo = target / current`. Pitch is preserved, so it's perfect for DJ-style beat matching, music practice at a specific tempo, podcast pacing alignment, or dance rehearsals. Batch multiple files toward a single target. Output to WAV / MP3 — your audio never leaves the browser.
audiotempo
Metronome — BPM, time signature, and click sound
Web Audio API metronome with BPM (30–300), time signature (1–12 beats), and click sound (click / woodblock / cowbell). First beat is accented with a higher pitch, and the current beat is highlighted live. Look-ahead scheduling keeps timing accurate to under 1 ms drift, with volume / mute control. Pair with bpm-tap to play back a tapped tempo. Everything is synthesized in your browser — nothing uploaded.
audiotempo