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Spectro-temporal discrimination in cochlear implant users
KTH, School of Electrical Engineering (EES), Sound and Image Processing.
2005 (English)In: 2005 IEEE INTERNATIONAL CONFERENCE ON ACOUSTICS, SPEECH, AND SIGNAL PROCESSING, 2005, 25-28 p.Conference paper (Refereed)
Abstract [en]

A novel test method was designed to measure the spectro-temporal discrimination ability of cochlear implant (CI) users. The test signals are bandpass filtered, speech weighted noise, with the long term spectrum of speech. The goal of the test is to measure the amplitude difference between spectral bands in two presented signals which is required for the listener to just discriminate between the two sounds. Twenty Cl users were tested with the spectro-temporal discrimination test and a conventional speech recognition test. For test stimuli differing in only two spectral bands Cl and normal hearing users show nearly equally good results on the spectro-temporal test. For spectra with four and more bands the spread in the Cl users' results is great.

Place, publisher, year, edition, pages
2005. 25-28 p.
, International Conference on Acoustics Speech and Signal Processing ICASSP, ISSN 1520-6149
National Category
Fluid Mechanics and Acoustics Computer and Information Science
URN: urn:nbn:se:kth:diva-36149DOI: 10.1109/ICASSP.2005.1415637ISI: 000229404202007ScopusID: 2-s2.0-33646778493OAI: diva2:430401
30th IEEE International Conference on Acoustics, Speech, and Signal Processing Philadelphia, PA, MAR 19-23, 2005
QC 20110708Available from: 2011-07-08 Created: 2011-07-08 Last updated: 2011-10-14Bibliographically approved

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Molin, ElisabetLeijon, Arne
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ReferencesLink to record
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