PMID: 15224855Jul 1, 2004Paper

Short-term study of the effect of speech coding strategy on the auditory performance of pre- and post-lingually deafened adults implanted with the Clarion CII

Acta Oto-laryngologica
R FilipoC D'Elia

Abstract

The auditory performance of cochlear implantees is linked to numerous variables, such as audiological characteristics, age and type of speech coding strategy. In recent years, many different ways of processing sounds have been developed, with possible implications for auditory performance. The purpose of this study was to evaluate the intra-individual differences of patients for speech perception tasks in quiet and in noise as a result of switching from a standard strategy [Continuous Interleaved Sampling (CIS)/Simultaneous Analog Strategy (SAS)] to Hi-Resolution (HiRes). A total of 14 post-lingual adults implanted with the Clarion CII were selected for trials. At switch-on, six patients chose a CIS strategy and eight an SAS strategy. After an average period of 9.3 months, all patients were switched over to HiRes. All patients were tested (open-set mode) with bisyllabic words and sentences, in both quiet and noise [speech/noise ratio (SNR) = +10]. Testing was carried out after an initial period with the CIS/SAS strategy and 3 months after switching over to HiRes. After switch-over a significant improvement was seen for both speech in quiet (words +25.2%, sentences +10.8%) and speech in noise (words 44.8%, sentences 45.4%). Desp...Continue Reading

References

Jul 18, 1991·Nature·B S WilsonW M Rabinowitz
Apr 24, 1999·The Annals of Otology, Rhinology & Laryngology. Supplement·M J Osberger, L Fisher
Apr 25, 2001·Scandinavian Audiology. Supplementum·L E StollwerckY Zilberman

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Citations

Oct 31, 2006·The Journal of the Acoustical Society of America·Piotr MajdakWolf-Dieter Baumgartner
Nov 20, 2009·Acta Oto-laryngologica·Patrizia ManciniRoberto Filipo
Jan 11, 2012·Hearing Research·David M LandsbergerArthi G Srinivasan
Jun 30, 2006·The Annals of Otology, Rhinology, and Laryngology·Camille C DunnBruce J Gantz
Jul 22, 2019·Brazilian Journal of Otorhinolaryngology·Tatiana Mendes de MeloNatália Barreto Frederigue Lopes

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