Human hearing sensitivity peaks near 4 kHz and falls off at both extremes

Evidence

The threshold of hearing varies with frequency. The ear is far more sensitive in the middle of its frequency range than at the high and low extremes. — David Howard, Jamie Angus, coustics and Psychoacoustics, 600

Categorization

• DEFINE: Grounds the concept of threshold of hearing and dynamic range in a concrete frequency-dependent fact.
• XREF: connects to: Human hearing is most sensitive to sounds around 3-4 kHz. — Ville Pulkki, Matti Karjalainen, Communication Acoustics- An…, 978; Human upper hearing range collapses above 16 kHz during the twenties; Normal hearing is most sensitive near 2 to 5 kHz — Professor Dr.-Ing. Hugo Fastl, Professor Dr.-Ing. Eberhard, Psychoacoustics- Facts and Models, 168 (+3 more)

Broader Connections

• Human hearing is most sensitive to sounds around 3-4 kHz. #corroborates (0.98) — Ville Pulkki, Matti Karjalainen, Communication Acoustics- An…, 978
• Normal hearing is most sensitive near 2 to 5 kHz #corroborates (0.95) — Professor Dr.-Ing. Hugo Fastl, Professor Dr.-Ing. Eberhard, Psychoacoustics- Facts and Models, 168
• Outer ear canal resonance explains peak sensitivity near 4 kHz #expands (0.92) — Eric J. Heller, Why You Hear What You Hear- An…, 2005
• Auditory sensitivity varies nonuniformly across the frequency range #expands (0.80) — David M. Howard, Jamie Angus, Acoustics and Psychoacoustics, 648
• Human upper hearing range collapses above 16 kHz during the twenties #qualifies (0.75)
• Human audible frequency range narrows dramatically with age #qualifies (0.70) — Almo Farina, Soundscape Ecology, 1887