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Input-output functions of the nonlinear-distortion component of distortion-product otoacoustic emissions in normal and hearing-impaired human earsa)
- Source :
- The Journal of the Acoustical Society of America
- Publication Year :
- 2017
- Publisher :
- Acoustical Society of America, 2017.
-
Abstract
- Distortion-product otoacoustic emissions (DPOAEs) arise in the cochlea in response to two tones with frequencies f1 and f2 and mainly consist of two components, a nonlinear-distortion and a coherent-reflection component. Wave interference between these components limits the accuracy of DPOAEs when evaluating the function of the cochlea with conventional continuous stimulus tones. Here, DPOAE components are separated in the time domain from DPOAE signals elicited with short stimulus pulses. The extracted nonlinear-distortion components are used to derive estimated distortion-product thresholds (EDPTs) from semi-logarithmic input-output (I/O) functions for 20 normal-hearing and 21 hearing-impaired subjects. I/O functions were measured with frequency-specific stimulus levels at eight frequencies f2 = 1,…, 8 kHz (f2/f1 = 1.2). For comparison, DPOAEs were also elicited with continuous primary tones. Both acquisition paradigms yielded EDPTs, which significantly correlated with behavioral thresholds (p
- Subjects :
- Auditory perception
Adult
Male
Time Factors
Acoustics and Ultrasonics
Distortion product
Adolescent
Acoustics
Hearing Loss, Sensorineural
Otoacoustic Emissions, Spontaneous
Stimulus (physiology)
01 natural sciences
03 medical and health sciences
Young Adult
0302 clinical medicine
Arts and Humanities (miscellaneous)
0103 physical sciences
otorhinolaryngologic diseases
Humans
Psychoacoustics
Time domain
030223 otorhinolaryngology
010301 acoustics
Cochlea
Mathematics
Aged
Signal Processing, Computer-Assisted
Middle Aged
Psychological and Physiological Acoustics
Persons With Hearing Impairments
Acoustic Stimulation
Nonlinear Dynamics
Nonlinear distortion
Case-Control Studies
Auditory Perception
Audiometry, Pure-Tone
Hearing impaired
Female
sense organs
Subjects
Details
- Language :
- English
- ISSN :
- 15208524 and 00014966
- Volume :
- 141
- Issue :
- 5
- Database :
- OpenAIRE
- Journal :
- The Journal of the Acoustical Society of America
- Accession number :
- edsair.doi.dedup.....5f1dd5bc7f80a90aedfda7ba58b49504