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[AUDITORY] Scream spectrum

Dear collective wisdom,

I recall reading somewhere (long ago) that most human screams exhibit a spectral peak in the 3 kHz region (more broadly, 2-5 kHz) coinciding with the threshold dip due to the ear canal resonance.  The implication is that screams are co-adapted to the most sensitive region of human hearing.

Can anyone point me to a suitable reference?  Even literature reporting power spectrum data for human screams would be useful.

David Huron