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US4982434A - Supersonic bone conduction hearing aid and ...
https://patents.google.com/patent/US4982434A/en#:~:text=All%20known%20textbooks%20suggests%20that%20hearing%20stops%20at,range%20of%20about%20100%20to%20about%2010%2C000%20hertz.
Pure Tone Audiometry - an overview | ScienceDirect Topics
https://www.sciencedirect.com/topics/medicine-and-dentistry/pure-tone-audiometry
In many audiometers, frequencies are also available that are close to half-octave intervals and often include: 750, 1500, 3000, and 6000 Hz. Threshold is usually determined as the lowest level at which the patient can hear some criterion proportion (e.g., half or more) of presentations.
Repeat testing frequency for screening audiometry — The ...
https://www.thenoisechap.com/audiometric-testing-faq/retesting-frequencies-in-audiometry
2021-6-15 · Retesting frequency for hearing tests at work, including what the HSE set out, the standard system, an alternative system, and why comparing category of result is not enough for ongoing audiometry. Audiometric Testing Noise Assessments Spirometry Training Covid-19 Audiometry eBook Hearing Protection Reviews Hearing Protection FAQ CONTACT
The Audioscan: a high frequency resolution audiometric ...
https://pubmed.ncbi.nlm.nih.gov/11903364/
The Audioscan is a form of high definition audiometry based on iso-hearing level frequency sweeps, which was developed by Meyer-Bisch in 1990. Compared with traditional tone audiometry, it sweeps across the preset frequency range at a predetermined sweep rate and provides a continuous audiometric cu …
Changes in audiometric threshold and frequency …
https://www.sciencedirect.com/science/article/pii/S0378595520303531
2020-12-1 · Signal frequencies ( f0) were 0.5, 1, 1.414, 2, 2.828, 4, 8, and 16 kHz. (Note: 32 kHz was not tested due to bandwidth limitations of the speaker, which prevented the upper notched-noise bands from being presented at the specified level.)
Response of Human Skull to Bone-Conducted Sound in …
https://www.tinnitusjournal.com/articles/response-of-human-skull-to-boneconducted-sound-in-the-audiometricultrasonic-range.pdf
2020-7-3 · Attenuation ranged from 0 to 20 dB in the audiometric range « 1 0 kHz) and increased to approximately 40 dB in the high audio range (10-20 kHz) and approximately 80 dB at 64 kHz. However, because they averaged across one third octave bands, they were not able to detect sharper resonances and antiresonances in the higher frequen cies.
Audiometric characteristics of hyperacusis patients ...
https://europepmc.org/article/MED/26029161
2015-5-15 · However, previous studies have only reported LDLs for a restricted frequency range, e.g., from 0.5 to 4 kHz or from 1 to 8 kHz. We have measured audiograms and LDLs in 381 patients with a primary complaint of hyperacusis for the full standard audiometric frequency range from 0.125 to 8 kHz.
Audiometric notch as a sign of noise induced hearing loss
https://oem.bmj.com/content/oemed/58/1/46.full.pdf
2022-1-30 · gradual deterioration at the high frequencies. Although 4 kHz is the classic frequency aVected the notch may be noted elsewhere because the frequency range of the noise influ-ences where the cochlear damage occurs. The Health and Safety Executive note A guide to audiometric testing programmes3 summarises the present practice guidelines on ...
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