Print Email Facebook Twitter Study of an automated procedure for a Dutch sentence test for the measurement of the speech reception threshold in noise Title Study of an automated procedure for a Dutch sentence test for the measurement of the speech reception threshold in noise Author Terband, H. Drullman, R. TNO Defensie en Veiligheid Publication year 2008 Abstract A procedure was developed for the automated measurement of the speech reception threshold in stationary noise (SRTn), which can be administered by the subjects themselves using a computer. The procedure was based on the SRTn test for Dutch developed by Plomp and Mimpen [(1979). Improving the reliability of testing the speech reception threshold for sentences, Audiology, 18, 43-52]. Because in the automated procedure the responses were entered on a keyboard, the question of how to deal with typing and spelling errors played a key role. At first the possibility of scoring on keywords only was examined. An experiment was conducted in which the adaptive procedure was varied. Results showed that the combination of scoring each keyword separately and a fixed scheme of the adaptation of the signal-to-noise ratio throughout the procedure yields the highest test-retest reliability. Subsequently, the collection and verification of responses using a keyboard were examined. Two different algorithms were developed and evaluated against the traditional task of verbal repetition and response verification by an experimenter. The results indicated a preference for verification by dynamic alignment over a spelling checker approach. In conclusion, the results show that it is possible to automate the test procedure while maintaining sufficient reliability.We hebben een procedure ontwikkeld om het meten van spraakverstaanbaarheid te automatiseren. Bij deze standaardtest moeten luisteraars zinnen nazeggen die ze in achtergrondlawaai (ruis) te horen krijgen. Bij de huidige procedure beoordeelt een proefleider hoe goed dat gaat; in onze nieuwe procedure gebeurt dat automatisch met een computer. Subject Acoustics and AudiologyAdaptive proceduresAnd verificationsAutomated measurementsAutomated proceduresDynamic alignmentsSignal-to-Noise ratiosSpeech reception thresholdsSpelling checkersSpelling errorsStationary noisesTest proceduresAutomationIndustrial economicsReliabilitySignal to noise ratioSpeechTestingElectronic equipment testingAuditory thresholdNoisescoring systemsignal noise ratiospeech audiometryspellingtask performancetest retest reliabilityAlgorithmsAudiometryAuditory PerceptionAuditory ThresholdAutomationReproducibility of ResultsSensitivity and SpecificitySpeechSpeech IntelligibilitySpeech Reception Threshold Testspeech transmission indexSTI To reference this document use: http://resolver.tudelft.nl/uuid:751d0d74-a49d-4264-9e39-8f63eaf5e396 DOI https://doi.org/10.1121/1.2990706 TNO identifier 23738 Source Journal of the Acoustical Society of America, 124 (5), 3225-3234 Document type article Files To receive the publication files, please send an e-mail request to TNO Library.