Spectral and temporal features as the estimators of the irrelevant speech effect

Onderzoeksoutput: Hoofdstuk in Boek/Rapport/CongresprocedureConferentiebijdrageAcademicpeer review

4 Downloads (Pure)

Samenvatting

The distractive effects on cognitive processes ascribed to the nature of sound havebeen studied in the paradigm of ”irrelevant sound,” where test participants perform cognitivetasks in the presence of background noise. By comparing the test scores for different acousticstimulus conditions in such experiments, the ”irrelevant sound (speech) effect” (ISE) can bequantified. The ISE is often explained by the changing state hypothesis: the distinctivesegmentation of sound tokens; where tokens may be understood as sound segments that canbe distinguished from each other in temporal and/or spectral characteristics. A sequence ofsounds consisting of differing tokens produces much more disruption than a steady-statesound. The present work investigates the relationship between the features from bothtemporal and spectral domains and the ISE, predicting separately the magnitude of the effectwith two estimators: The Average Modulation Transfer Function (AMTF) and the FrequencyDomain Correlation Coefficient (FDCC). The first parameter is a measure for temporalvariations in a sound, whilst the latter measures spectral variability in the sounds. Backgroundstimuli are synthesized from a pulse train in which modified and unmodified pulses alternate.In order to manipulate the temporal and spectral features in the stimuli, a numericaloptimization method was used to generate two sets of background stimuli where one of thetwo descriptors was always kept constant and the other was varied in a systematic way.Therefore, stimulus sets used in this study allow the separate estimation of the role of the twoestimators on cognitive performance in tasks involving serial ordering of short-term memorycontent.

Originele taal-2Engels
TitelProceedings of Euronoise 2015
Pagina's1925-1930
Aantal pagina's6
StatusGepubliceerd - 2015
Evenement10th European Congress and Exposition on Noise Control Engineering (Euronoise 2015) - Maastricht, Nederland
Duur: 31 mei 20153 jun 2015
Congresnummer: 10
http://www.euronoise2015.eu

Congres

Congres10th European Congress and Exposition on Noise Control Engineering (Euronoise 2015)
Verkorte titelEuronoise 2015
LandNederland
StadMaastricht
Periode31/05/153/06/15
Internet adres

Vingerafdruk Duik in de onderzoeksthema's van 'Spectral and temporal features as the estimators of the irrelevant speech effect'. Samen vormen ze een unieke vingerafdruk.

  • Citeer dit

    Senan, T. U., Park, M. H., Kohlrausch, A., Jelfs, S., & Navarro, R. F. (2015). Spectral and temporal features as the estimators of the irrelevant speech effect. In Proceedings of Euronoise 2015 (blz. 1925-1930)