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BeatTracker

proof_engine::dsp::analysis

Struct BeatTracker 

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pub struct BeatTracker;
Expand description

Tempo and beat detection via autocorrelation of onset envelope.

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impl BeatTracker

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pub fn estimate_tempo(signal: &[f32], sample_rate: f32) -> f32

Estimate tempo (BPM) from a signal.

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pub fn detect_beats(signal: &[f32], sample_rate: f32) -> Vec<f32>

Detect beat times in seconds.

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pub fn onset_envelope(signal: &[f32], _sample_rate: f32) -> Vec<f32>

Compute an onset strength envelope using spectral flux.

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pub fn tempogram(signal: &[f32], sample_rate: f32) -> Vec<(f32, f32)>

Compute tempogram (autocorrelation of onset envelope at multiple time scales).

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