OpenBPMHigh-accuracy BPM detection in pure Rust.

Runs 6 independent estimators in parallel, fused with metrical-aware clustering and a learned judge router. Zero runtime dependencies.

⚡

Pure Rust Performance

Ultra-fast signal processing with zero external files or C library dependencies. Core library relies only on rustfft.

🎯

Combines IOI Histogram, Comb Filter Bank, Autocorrelation, Low-Band AC, Spectral Energy, and Hopf Oscillator.

🧠

Stage 2 multinomial logistic regression corrects octave errors (half/double/triple tempo) trained on 1951 annotated tracks.

📊

Rigorously evaluated across 2361 tracks on standard MIR benchmarks (GiantSteps, Ballroom, GTZAN).

🎧

CLI and optional decoding support for WAV, MP3, FLAC, OGG, and AAC via Symphonia.

📦

Usable as a standalone CLI tool or integrated directly into Rust audio applications and WASM pipelines.