The study demonstrates that asynchronous telehealth-based automated hearing testing within the school context can be used to facilitate early identification of hearing loss; however, further research and development into protocol formulation, ongoing device monitoring and facilitator training is required to improve test sensitivity and ensure accuracy of results.
Medical device reviews, especially from an independent source, are important. More importantly, these reviews help with the improvement of the device and give people an idea of how the device functions. ENT & Audiology newsreviewed the KUDUwave™ Boothless Audiometer in January this year (2018).
This study investigated the reliability, accuracy and time-efficiency of automated pure-tone audiometry (air and bone conduction testing) using the KUDUwave™. This was done by comparing thresholds obtained through automated air and bone conduction audiometry using the KUDUwave™ with manually obtained air and bone conduction thresholds. The time it takes for each test method (automated vs. manual) was recorded during testing.
Evaluating 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 communication.
SRT and PTA correlate well with an acceptable standard deviation. PTA and SDT correlate as expected with an acceptable standard deviation. The KUDUwave™ PTA, SRT and SDT correlate clinically with each other. The KUDUwave™ can confidently be used for Speech Audiometry.
Pure-tone audiometry outside a sound booth using earphone attenuation, integrated noise monitoring, and automation. (Publication)
This study investigated and reported on automated mobile audiometer with double-attenuation (increased attenuation) and real-time noise monitoring for use in clinical audiology testing without a sound booth. The KUDUwave™ was the device used in this study. Clinical validity was determined by comparing pure tone (air- and bone conduction) thresholds obtained by the KUDUwave™ inside and outside a sound booth.
The purpose of this study was to determine the accuracy of pure tone air conduction thresholds obtained using a synchronous telehealth approach. This was conducted without a sound-booth in a rural community.
The RETSPL values of ISO 389-5 cannot be used to do Extended High Frequency testing that is comparable with the the golden standards Sennheiser HDA200 earphones. The newly determined RETSPL values of the KUDUwave™ are comparable with the golden standards Sennheiser HDA200 headset calibrated to ISO 389-5. The EHF RETSPL values of the KUDUwave™ are 13.5 dB for 9000 Hz, 12.5 dB for 10,000 Hz, 21.5 dB for 11,200 Hz, 25.5 dB for 12,500 Hz, 32.4 dB for 14,000 Hz and 41 dB for 16,000 Hz.
In this study, the air and bone conduction threshold results obtained with the GSI-61 audiometer were compared with thresholds obtained with the KUDUwave™ PC based audiometer. The test-retest reliability was also assessed and compared. This was done in order to validate the KUDUwave's air conduction and forehead bone conduction audiometry tests results. All tests were conducted in a sound-treated booth.
Validity of Diagnostic Pure Tone Audiometry Using A Portable Computerised Audiometer Without a Sound-treated Environment. (Thesis)
Historically diagnostic air and bone conduction audiometry has been conducted in conventional annually certified audiometric test booths that allow for testing of hearing thresholds down to 0 dB. Advances in technology with double transducer attenuation incorporating insert earphones with circumaural earcups and real-time on-screen monitoring of noise provide both passive control and active quantification of transient extraneous interference for testing outside of a booth.
This study aimed to investigate the validity of the use of the KUDUwave™ for diagnostic pure-tone audiometry in a natural environment. The KUDUwave used in this study uses the combination of insert earphones covered by circumaural headphones to attenuate ambient noise during audiometric testing. The device also incorporates real-time monitoring of environmental noise in order to notify the clinician if the ambient noise is masking the tone presented. The clinician in the study waited for the ambient noise to subside before continuing with the test. .
This research aimed to investigate the validity of the use of the KUDUwave™ for testing hearing threshold levels and monitoring the Percentage Loss of Hearing (PLH) in the occupational health setting for the purpose of medical surveillance of hearing without a sound booth. This study was conducted to answer the question: ‘’How do Kuduwave results compare with industry standard air conduction pure-tone audiometry?’’
This study investigated the accuracy, reliability and time-efficiency of automated pure-tone audiometry (air and bone conduction testing) using the KUDUwave™. This was done by comparing thresholds obtained through automated air and bone conduction audiometry using the KUDUwave™ with manually obtained air and bone conduction thresholds. Both manual and automated testing and threshold collection was done with the use of a KUDUwave™.
Diagnostic Pure-Tone Audiometry in Schools: Mobile Testing without a Sound-Treated Environment. (Publication)
The purpose of this study was to validate diagnostic pure-tone audiometry in school without a sound-treated booth using the KUDUwave™. The KUDUwave™ incorporates insert earphones covered by circumaural ear-cups and real-time environmental noise monitoring.
This study investigated the accuracy of pure-tone air conduction thresholds obtained by the KUDUwave™ in automated mode of testing, with a controlled level of background noise (40 dBA), at a level that would typically be present in a closed non-sound treated room.
The study demonstrates the validity of using synchronous telemedicine for conducting hearing assessments with the KUDUwave™ in a remote rural agricultural community without a sound booth. The KUDUwave™ uses insert earphones covered by circumaural ear cups (Ambidome) to attenuate noise. The Ambidome provides noise attenuation similar to a single-walled sound booth.
The evaluation of the KUDUwave™ against standards and regulations revealed that the KUDUwave™ complies with all required standards as an audiometer used for hearing conservation purposes as guided by the SANS 10083:2012. The KUDUwave™ (and its insert earphones) specifications adhere to SANS 8253-1:2011.