Free · in the browser · for producers
808 tuner
Drop an 808 or a tuned kick. It shows the whole pitch: the click, the drop, the tail that rings. The tail is the note. Move it to your key, hear A against B, save the WAV.
Mika sleeps belly up on the sofa through any bass. He wakes for the click.Pick a WAV, AIFF or MP3 of one hit. It is read in this browser.
or drop a file on this card
Root note
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Next: move your chords to that key, or find the root note of any other one-shot.
Why an 808 is hard to read
An 808 is a long, low sine with a pitch envelope: it starts high, drops within the first tens of milliseconds and then rings on one note. A tuner that reads the first moment names the drop, not the note. This one reads the whole hit and labels its three parts: the transient (the click, no pitch), the glide (the drop) and the stable tail. The root note comes from the tail.
If the tail isn't where you hear it, drag the two sliders to the part that rings; the note, the cents and the confidence follow. A distorted 808 can read an octave high for a few frames; those are folded back onto the tail's octave, and the page says how many.
Tuning it to the track
Most producers tune the 808 to the root of the song's key, so the sub and the bassline agree. Pick the target: the nearest note only fixes the cents, a few semitones up or down puts it in another key. The whole hit moves, glide included, and keeps its length, so it still sits where it sat in the pattern.
The reader goes down to about 30 Hz, just under B0; lower than that reads as no pitch. Phone speakers hardly play these notes, so A/B on headphones or monitors. 100 cents are a semitone; F1 is 43.65 Hz, A1 is 55 Hz.
Then make something of it
The note goes into Brumm as a bassline on an 808, in a running club track. The WAV is yours: 24-bit, mono; a WAV keeps its sample rate.
Audio: a file you choose, opened in this tab; once it is chosen, no request leaves the page. The sound is analysed in this tab and never sent. Nothing about the audio reaches the visit count.