Development of a computer-based automated pure tone hearing screening device

A preliminary clinical trial

Gan Kok Beng, Dhifaf Azeez, Cila Umat, Mohd Alauddin Mohd Ali, Noor Alaudin Abdul Wahab, Siti Zamratol Mai Sarah Mukari

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

Hearing screening is important for the early detection of hearing loss. The requirements of specialized equipment, skilled personnel, and quiet environments for valid screening results limit its application in schools and health clinics. This study aimed to develop an automated hearing screening kit (auto-kit) with the capabi lity of realtime noise level monitoring to ensure that the screening is performed in an environment that conforms to the standard. The auto-kit consists of a laptop, a 24-bit resolution sound card, headphones, a microphone, and a graphical user interface, which is calibrated according to the American National Standards Institute S3.6-2004 standard. The auto-kit can present four test tones (500, 1000, 2000, and 4000 Hz) at 25 or 40 dB HL screening cut-off level. The clinical results at 40 dB HL screening cut-off level showed that the auto-kit has a sensitivity of 92.5 % and a specificity of 75.0%. Because the 500 Hz test tone is not included in the standard hearing screening procedure, it can be excluded from the auto-kit test procedure. The exclusion of 500 Hz test tone improved the specificity of the autokit from 75.0 % to 92.3 %, which suggests that the auto-kit could be a valid hearing screening device. In conclusion, the auto-kit may be a valuable hearing screening tool, especially in countries where resources are limited.

Original languageEnglish
Pages (from-to)323-332
Number of pages10
JournalBiomedizinische Technik
Volume57
Issue number5
DOIs
Publication statusPublished - 1 Oct 2012

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Audition
Screening
Headphones
Microphones
Graphical user interfaces

Keywords

  • Hearing screening
  • Noise level monitoring
  • Pure tone audiometry

ASJC Scopus subject areas

  • Biomedical Engineering

Cite this

Development of a computer-based automated pure tone hearing screening device : A preliminary clinical trial. / Kok Beng, Gan; Azeez, Dhifaf; Umat, Cila; Ali, Mohd Alauddin Mohd; Abdul Wahab, Noor Alaudin; Mukari, Siti Zamratol Mai Sarah.

In: Biomedizinische Technik, Vol. 57, No. 5, 01.10.2012, p. 323-332.

Research output: Contribution to journalArticle

Kok Beng, Gan ; Azeez, Dhifaf ; Umat, Cila ; Ali, Mohd Alauddin Mohd ; Abdul Wahab, Noor Alaudin ; Mukari, Siti Zamratol Mai Sarah. / Development of a computer-based automated pure tone hearing screening device : A preliminary clinical trial. In: Biomedizinische Technik. 2012 ; Vol. 57, No. 5. pp. 323-332.
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