Evaluation of Digital Hearing Aids Using Speech Phonemes

Autor:	Mohammad Kamali, Farhad Torabinezhad, Seyed Jalal Sameni, M. Soleimani, Yahya Modarresi
Rok vydání:	2014
Předmět:	medicine.medical_specialty Hearing loss Speech recognition medicine Audiogram Audiology medicine.symptom Mathematics
Zdroj:	Universal Journal of Biomedical Engineering. 2:15-37
ISSN:	2333-2654 2333-2662
DOI:	10.13189/ujbe.2014.020201
Popis:	Since the most important input for users of hearing aids is speech, the study of the ways hearing aids amplify and reconstruct speech phonemes is necessary. The present study recorded the forms of five speech phonemes as stimuli and the rate of prescribed gain from the NAL-NL2 and DSLm(i/o) formulas for these phonemes was compared. This was a descriptive-analytical study performed on 16 programmed hearing aids for severe sensory-neural hearing loss in flat, rising and sloping configurations. After fitting the hearing aids to the NAL-NL2 and DSLm(i/o) formulas, their rates of gain for phonemes /a/,/u/,/s/,/s/and /f/ were determined using an Affinity 2.0 analyzer in a 2cc coupler at the 3 levels. The prescribed gain for DSLm(i/o) for the 5 phonemes in flat and rising audiograms for 3 speakers (male, female, female child) and intensity levels was significantly higher than for NAL-NL2 (p
Databáze:	OpenAIRE
Externí odkaz:	https://explore.openaire.eu/search/publication?articleId=doi_________::aa5462ee63a889bd01ade317dfb2c6b9 https://doi.org/10.13189/ujbe.2014.020201 Zobrazit plný text záznamu