Voice Analyzer — Lite v4 (Spectrogram + CPP)

Voice Analyzer — Lite v4

For clean jitter shimmer and CPP: record a steady “ah” for ~6 seconds 15–20 cm from the mic in a quiet room.

Quality gate ACF≥0.60 RMS≥0.015 Sample rate: —

Sustained /a/ timer —

Live loudness (RMS)

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Live pitch (F0)

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Live CPP (dB)

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Session summary (quality-gated, outlier-robust)

F0 mean (Hz)

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F0 SD (Hz)

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F0 range

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Jitter % (robust)

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Shimmer % (robust)

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HNR (dB) ~

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CPP (dB)

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