Canadian Journal of Speech-Language Pathology and Audiology

Hearing Aid Design Criteria

Author(s) James M. Kates
Volume 17
Number 4
Year 1993
Page(s) 15-23
Language English
Keywords hearing
Abstract The modern hearing aid is an imperfect device. Practical implementations often fail to meet reasonable performance expectations, and adequate design criteria are often lacking for more advanced signal processing strategies. Performance limitations and design objectives will be reviewed for three areas of particular importance in hearing aids: linear amplification, dynamic range compression, and noise suppression.

La prothèse auditive d'aujourd'hui est un appareil imparfait. Fréquemment, ses applications pratiques ne répondent pas à la performance attendue, et un modèle conceptuel décrivant des critères appropriés est souvent indisponible pour les stratégies plus avancées de traitement du signal. L'auteur examine les limites au niveau de la performance des appareils auditifs et les objectifs d'un modèle conceptuel pour trois aspects importants des aides auditives : l'amplification linéaire, le système de compression et la suppression du bruit.
Record ID 322
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