Speech Intelligibility Analyzer

WebGPU + AudioWorklet + Real-time Speech Metrics

Ready

Live Waveform

Spectrogram

Intelligibility (STI Proxy)

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Speech Clarity Index

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Signal-to-Noise Ratio

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dB

Reverberation Estimate

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seconds (T60 proxy)

Octave Band Levels

Formant Tracking

F1 vs F2 scatter

Pitch & Harmonics

Fundamental frequency

Dynamic Range & Crest Factor

Peak vs RMS over time

Articulation Index Bands

AI contribution by band

Modulation Transfer

MTF envelope spectrum