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Electroacoustic Comparison of Hearing Aid Output of Phonemes in Running Speech versus Isolation : Implications for Aided Cortical Auditory Evoked Potentials Testing
المؤلفون المشاركون
Purcell, David W.
Scollie, Susan D.
Easwar, Vijayalakshmi
المصدر
International Journal of Otolaryngology
العدد
المجلد 2012، العدد 2012 (31 ديسمبر/كانون الأول 2012)، ص ص. 1-10، 10ص.
الناشر
Hindawi Publishing Corporation
تاريخ النشر
2012-12-18
دولة النشر
مصر
عدد الصفحات
10
التخصصات الرئيسية
الملخص EN
Background.
Functioning of nonlinear hearing aids varies with characteristics of input stimuli.
In the past decade, aided speech evoked cortical auditory evoked potentials (CAEPs) have been proposed for validation of hearing aid fittings.
However, unlike in running speech, phonemes presented as stimuli during CAEP testing are preceded by silent intervals of over one second.
Hence, the present study aimed to compare if hearing aids process phonemes similarly in running speech and in CAEP testing contexts.
Method.
A sample of ten hearing aids was used.
Overall phoneme level and phoneme onset level of eight phonemes in both contexts were compared at three input levels representing conversational speech levels.
Results.
Differences of over 3 dB between the two contexts were noted in one-fourth of the observations measuring overall phoneme levels and in one-third of the observations measuring phoneme onset level.
In a majority of these differences, output levels of phonemes were higher in the running speech context.
These differences varied across hearing aids.
Conclusion.
Lower output levels in the isolation context may have implications for calibration and estimation of audibility based on CAEPs.
The variability across hearing aids observed could make it challenging to predict differences on an individual basis.
نمط استشهاد جمعية علماء النفس الأمريكية (APA)
Easwar, Vijayalakshmi& Purcell, David W.& Scollie, Susan D.. 2012. Electroacoustic Comparison of Hearing Aid Output of Phonemes in Running Speech versus Isolation : Implications for Aided Cortical Auditory Evoked Potentials Testing. International Journal of Otolaryngology،Vol. 2012, no. 2012, pp.1-10.
https://search.emarefa.net/detail/BIM-478055
نمط استشهاد الجمعية الأمريكية للغات الحديثة (MLA)
Easwar, Vijayalakshmi…[et al.]. Electroacoustic Comparison of Hearing Aid Output of Phonemes in Running Speech versus Isolation : Implications for Aided Cortical Auditory Evoked Potentials Testing. International Journal of Otolaryngology No. 2012 (2012), pp.1-10.
https://search.emarefa.net/detail/BIM-478055
نمط استشهاد الجمعية الطبية الأمريكية (AMA)
Easwar, Vijayalakshmi& Purcell, David W.& Scollie, Susan D.. Electroacoustic Comparison of Hearing Aid Output of Phonemes in Running Speech versus Isolation : Implications for Aided Cortical Auditory Evoked Potentials Testing. International Journal of Otolaryngology. 2012. Vol. 2012, no. 2012, pp.1-10.
https://search.emarefa.net/detail/BIM-478055
نوع البيانات
مقالات
لغة النص
الإنجليزية
الملاحظات
Includes bibliographical references
رقم السجل
BIM-478055
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