Results 101 to 110 of about 475,320 (249)

Pure-tone hearing levels according to age.

open access: bronze, 1989
Makito Okamoto   +4 more
openalex   +2 more sources

Inlet noise on 0.5-meter-diameter NASA QF-1 fan as measured in an unmodified compressor aerodynamic test facility and in an anechoic chamber [PDF]

open access: yes
Narrowband analysis revealed grossly similar sound pressure level spectra in each facility. Blade passing frequency (BPF) noise and multiple pure tone (MPT) noise were superimposed on a broadband (BB) base noise.
Gelder, T. F., Soltis, R. F.
core   +1 more source

An experimental investigation of the interior noise control effects of propeller synchrophasing [PDF]

open access: yes
A simplified cylindrical model of an aircraft fuselage is used to investigate the mechanisms of interior noise suppression using synchrophasing techniques.
Fuller, C. R., Jones, J. D.
core   +1 more source

Masking in Pure-Tone Audiometry [PDF]

open access: yesProceedings of the Royal Society of Medicine, 1952
P, DENES, R F, NAUNTON
openaire   +2 more sources

Middle ear muscle contractions and their relation to pulse and echo evoked potentials in the bat [PDF]

open access: yes
An analysis is made of pulse and echo orientation cries of the Mustache Bat. That bat's cries are characterized by a long, 60 to 30 msec, pure tone component and brief beginning and terminal FM sweeps.
Henson, M. M., Henson, O. W., Jr.
core   +1 more source

Home - About - Disclaimer - Privacy