C-weighting captures low frequencies better at high sound pressures
Evidence
The “C” weighting on the other hand is more suited to sound at higher absolute sound pressure levels and because of this is more sensitive to low-frequency components than the “A” weighting. — David Howard, Jamie Angus, coustics and Psychoacoustics, 624
Categorization
- DEFINE: Clarifies why low frequencies matter more at high levels — tied to the ear’s nonlinear loudness response.
- XREF: connects to: A-weighting can miss dominant low-frequency energy in broadband sounds; A-weighted sound pressure level misrepresents the loudness of broadband noises; Loudness measures can reveal real improvements A-weighting misses entirely — Professor Dr.-Ing. Hugo Fastl, Professor Dr.-Ing. Eberhard, Psychoacoustics- Facts and Models, 1763 (+1 more)
Broader Connections
- A-weighting can miss dominant low-frequency energy in broadband sounds
#expands(0.85) - A-weighted sound pressure level misrepresents the loudness of broadband noises
#expands(0.80) - Loudness measures can reveal real improvements A-weighting misses entirely
#expands(0.75) — Professor Dr.-Ing. Hugo Fastl, Professor Dr.-Ing. Eberhard, Psychoacoustics- Facts and Models, 1763 - A-weighting is recommended for all sound levels despite fitting low levels best
#qualifies(0.70)