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Technical Program

Paper Detail

Paper:	AE-P2.5
Session:	Hearing Aids, Auditory Models and Physical Models
Time:	Wednesday, May 17, 16:30 - 18:30
Presentation:	Poster
Topic:	Audio and Electroacoustics: Auditory Modeling and Hearing Aids
Title:	Exploiting Voicing Cues for Contrast Enhanced Frequency Shaping of Speech for Impaired Listeners
Authors:	Naomi Harte, Trinity College Dublin, Ireland; Shahab Ansari, Simon Fraser University, Canada; Ian Bruce, McMaster University, Canada
Abstract:	This paper investigates the use of voicing information as an additional cue in contrast enhanced frequency shaping (CEFS) of speech to improve perception in the hearing impaired. The presented work builds on an existing system combining multiband compression with contrast enhanced frequency shaping (MICEFS) to restore the auditory nerve response of a hearing impaired listener. CEFS can improve the perception of voiced segments. Hence voicing cues are used to differentiate segments for processing. Alternative processing for unvoiced segments is investigated and shown to improve neural representation of unvoiced segments compared to using MICEFS processing alone.