Audioidle Sample rate— Block/Hop— Update— CPU—

Averaging window 20s Warm-up 5s Warm-up progress 0.0s

Decision is withheld until at least 5.0s of analyzed frames accumulate. After that, the classifier uses EMA-smoothed evidence where the 1st harmonic (2×) is weighted above the fundamental.

Decision—

Confidence—

Quality—

50 Hz series

60 Hz series

Spectrum bars

Thick = fundamental; thin = harmonics; faint = detected peak offset

50-score (avg)—

60-score (avg)—

50 Hz evidence

Harm	Hz	dB*	Conf	Avg

60 Hz evidence

Harm	Hz	dB*	Conf	Avg

Weights emphasize the 1st harmonic (2×) over the fundamental. Useful when microphones attenuate 50/60 Hz.