Why Browser FFT Can't Label Dog Growling
This story is from 2026-09-18. It is preserved in the archive; the latest stories are on the live feed.
You cannot label dog growling as play or warning from a browser FFT peak. getByteFrequencyData() returns energy bins, not mood. On 204 growls from 32 dogs, F0 and formants did not split those contexts—duration and pulse rate did. Measure energy and length with the mic code below; do not invent a mo…
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- 2026-09-18 17:13 · DEV Community — Machine Learning
Why Browser FFT Can't Label Dog Growling