Beat Mirror
A real-time beat tracker that finds the pulse in live audio and locks a visual to it — showing you the BPM it heard, and how sure it is.
Press Start — a 112 BPM groove plays and the tracker locks to it. Then switch to the mic and clap.
━ onset strength│ predicted beat│ detected onset
detected tempo
––BPM
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source
Internal 112 BPM drum loop — the known answer.