Newsletters and research
Research on the Kuduwave
The Kuduwave has been the subject of a series of published studies. Each summary below links to the study's abstract and the full publication.
In short: the Kuduwave has been validated against sound-booth audiometry in peer-reviewed studies. Results apply within the ambient-noise limits and the populations each study tested.
One-eartip solution for pure-tone audiometry and acoustic immittance measurements: using insert earphone with an immittance probe ear tip
Objective Two consecutive studies sought to determine the (1) Equivalent Threshold Sound Pressure Levels (ETSPLs) and, (2) real ear attenuation thresholds (REAT) for the KUDUwave earcup configured with an insert earphone using a typical immittance probe tip (TPT). Design (1) Hearing thresho…
Read the summary: One-eartip solution for pure-tone audiometry and acoustic immittance measurements: using insert earphone with an immittance probe ear tipValidation of a Bilateral Simultaneous Computer-Based Tympanometer
Purpose: This study aimed to investigate the accuracy of bilateral simultaneous tympanometric measurements using a tympanometer with two pneumatic systems inside circumaural ear cups. Method: Fifty-two adults (104 ears), with a mean age of 32 years (SD = 12.39, range: 18–60 years) were included…
Read the summary: Validation of a Bilateral Simultaneous Computer-Based TympanometerAccuracy of Remote Hearing Assessment in Rural Community
Background: This study determined the accuracy of pure tone air conduction (AC) thresholds obtained using a synchronous telemedicine approach without a sound booth in a rural South African community. The global need for increased hearing healthcare currently far exceeds the capacity for del…
Read the summary: Accuracy of Remote Hearing Assessment in Rural CommunityPure-Tone Audiometry Outside A Sound Booth, Using Earphone Attenuation, Integrated Noise Monitoring, & Automation
Objective Accessibility of audiometry is hindered by the cost of sound booths and shortage of hearing health personnel. This study investigated the validity of an automated mobile diagnostic audiometer with increased attenuation and real-time noise monitoring for clinical testing outside a…
Read the summary: Pure-Tone Audiometry Outside A Sound Booth, Using Earphone Attenuation, Integrated Noise Monitoring, & AutomationAmbient Noise Impact On Accuracy Of Automated Audiometry
Objective: The aim of this study was to determine the effect of ambient noise on the accuracy of thresholds obtained using the KUDUwave portable clinical audiometer as compared to those obtained using a GSI-61 clinical audiometer in a sound booth. Design: Pure-tone air conduction thresholds…
Read the summary: Ambient Noise Impact On Accuracy Of Automated AudiometryDiagnostic Pure-Tone Audiometry In Schools: Mobile Testing Without A Sound-Treated Environment
Purpose: To validate diagnostic pure-tone audiometry in schools without a sound-treated environment using an audiometer that incorporates insert earphones covered by circumaural earcups and real-time environmental noise monitoring. Research Design: A within-subject repeated measures design…
Read the summary: Diagnostic Pure-Tone Audiometry In Schools: Mobile Testing Without A Sound-Treated EnvironmentValidity of Diagnostic Pure-Tone Audiometry Without a Sound-Treated Environment in Older Adults
Objective To investigate the validity of diagnostic pure-tone audiometry in a natural environment using a computer-operated audiometer with insert earphones covered by circumaural earcups incorporating real-time monitoring of environmental noise. Design A within-subject repeated measures de…
Read the summary: Validity of Diagnostic Pure-Tone Audiometry Without a Sound-Treated Environment in Older AdultsValidity of Diagnostic Computer-Based Air & Forehead Bone Conduction Audiometry
Computer-based audiometry allows for novel applications, including remote testing and automation, that may improve the accessibility and efficiency of hearing assessment in various clinical and occupational health settings. This study describes the validity of computer-based, diagnostic air…
Read the summary: Validity of Diagnostic Computer-Based Air & Forehead Bone Conduction AudiometryIntercontinental Hearing Assessment – A Study in Tele-Audiology
We evaluated the validity of remote pure tone audiometric testing conducted from North America on subjects in South Africa. Desktop-sharing computer software was used to control an audiometer in Pretoria from Dallas, and PC-based videoconferencing was employed for clinician and subject comm…
Read the summary: Intercontinental Hearing Assessment – A Study in Tele-AudiologySpeed, Accuracy & Reliability Of Automated Audiometry
Objective: This study investigated the reliability, accuracy, and time efficiency of automated hearing assessment using a computer-based telemedicine-compliant audiometer. Materials and Methods: Thirty normal-hearing subjects and eight hearing-impaired subjects were tested with pure-tone ai…
Read the summary: Speed, Accuracy & Reliability Of Automated AudiometryValidity Of Diagnostic Pure-Tone Audiometry Using A Portable Computerised Audiometer Outside Of A Sound-Treated Environment
It is estimated that 10% of the global population is impaired to a significant degree by a decrease in hearing sensitivity. With the greatest proportion of these persons residing in developing countries where communities are grossly underserved, it is incumbent on hearing healthcare profess…
Read the summary: Validity Of Diagnostic Pure-Tone Audiometry Using A Portable Computerised Audiometer Outside Of A Sound-Treated Environment
GeoAxon's own technical papers on ambient noise, attenuation and standards are listed under white papers.
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