Paper Info
Title
Effects of excitation spread on the intelligibility of Mandarin speech in cochlear implant simulations
Abstract
Noisy listening conditions remain challenging for most cochlear implant patients. The present study simulated the effects of decay rates of excitation spread in cochlear implants on the intelligibility of Mandarin speech in noise. Mandarin sentence and tone stimuli were processed by noise-vocoder, and presented to normal-hearing listeners for identification. The decay rates of excitation spread were simulated by varying the slopes of synthesis filters in noise-vocoder. Experimental results showed that significant benefit for Mandarin sentence recognition in noise was observed with narrower type of excitation. The performance of Mandarin tone identification was relatively robust to the influence of excitation spread. The results in the present study suggest that reducing the decay rates of excitation spread may potentially improve the speech perception in noise for cochlear implants in the future.
Year
DOI
Venue
2012
10.1109/ISCSLP.2012.6423502
ISCSLP
Keywords
Field
DocType
cochlear implants,mandarin sentence recognition,mandarin sentence processing,speech recognition,mandarin speech perception,speech perception improvement,noise-vocoder,cochlear implant,excitation spread decay rates,synthesis filters,tone stimuli processing,cochlear implant simulations,speech synthesis,vocoders,cochlear implant patients,excitation spread,noisy listening conditions,filtering theory,mandarin tone identification,natural language processing,handicapped aids,excitation spread effects,mandarin speech intelligibility
Speech synthesis,Sentence recognition,Computer science,Speech recognition,Excitation,Cochlear implant,Speech perception,Filtering theory,Mandarin Chinese,Intelligibility (communication)
Conference
Volume
Issue
ISBN
null
null
978-1-4673-2505-9
Citations 
PageRank 
References 
0
0.34
0
Authors
3
Name
Order
Citations
PageRank
Chen F1115.28
Guan Tian214.34
Wong L.L.N.300.34