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All fields Title Creator / Publisher Keyword Year AND OR AND NOT All fields Title Creator / Publisher Keyword Year AND OR AND NOT All fields Title Creator / Publisher Keyword Year AND OR AND NOT All fields Title Creator / Publisher Keyword Year AND OR AND NOT All fields Title Creator / Publisher Keyword Year Sort by creator [A → Z]' creator [Z → A]' publishing year ↑ (asc)' publishing year ↓ (desc)' title [A → Z]' title [Z → A]' Simple Search Hits 1 – 11 of 11 1 A Wavelet-Based Noise Reduction Algorithm and Its Clinical Evaluation in Cochlear Implants Ye, Hua; Deng, Guang; Mauger, Stefan J.; Hersbach, Adam A.; Dawson, Pam W.; Heasman, John M.. - : Public Library of Science, 2013 Abstract: Noise reduction is often essential for cochlear implant (CI) recipients to achieve acceptable speech perception in noisy environments. Most noise reduction algorithms applied to audio signals are based on time-frequency representations of the input, such as the Fourier transform. Algorithms based on other representations may also be able to provide comparable or improved speech perception and listening quality improvements. In this paper, a noise reduction algorithm for CI sound processing is proposed based on the wavelet transform. The algorithm uses a dual-tree complex discrete wavelet transform followed by shrinkage of the wavelet coefficients based on a statistical estimation of the variance of the noise. The proposed noise reduction algorithm was evaluated by comparing its performance to those of many existing wavelet-based algorithms. The speech transmission index (STI) of the proposed algorithm is significantly better than other tested algorithms for the speech-weighted noise of different levels of signal to noise ratio. The effectiveness of the proposed system was clinically evaluated with CI recipients. A significant improvement in speech perception of 1.9 dB was found on average in speech weighted noise. Keyword: Research Article URL: https://doi.org/10.1371/journal.pone.0075662 http://www.ncbi.nlm.nih.gov/pubmed/24086605 http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3784455 BASE Hide details 2 Short-term auditory memory in children using cochlear implants Clark, Graeme M.; McKay, Colette M.; Dawson, Pam W.. - 2001 BASE Show details 3 Auditory processing abilities in children using cochlear implants: their relevance to speech perception [Abstract] Dawson, Pam W.; Busby, Peter A.; Clark, Graeme M.. - 1999 BASE Show details 4 Habilitation issues in the management of children using the cochlear multiple-channel cochlear prosthesis Cowan, Robert S. C.; Clark, Graeme M.; PYMAN, BRIAN. - : Wien, 1994 BASE Show details 5 Factors associated with open-set speech perception in children using the Cochlear multiple-channel prosthesis [Abstract] Yaremko, R.; Brown, Catherine D.; Sarant, Julia Z.. - 1993 BASE Show details 6 Habilitation issues in the management of children using the cochlear multiple-channel cochlear prosthesis Galvin Karyn L.; Zarant, Julia Z.; Blamey, Peter J.. - 1993 BASE Show details 7 Cochlear implants in children, adolescents, and prelinguistically deafened adults: speech perception Dawson, Pam W.; Rowland, Louise C.; Blamey, Peter J.. - 1992 BASE Show details 8 Cochlear implants in children, adolescents, and prelinguistically deafened adults: speech perception Rowland, Louise C.; Dawson, Pam. W; Busby, Peter A.. - 1992 BASE Show details 9 Multichannel cochlear implantation in children: a summary of current work at The University of Melbourne Clark, Graeme M.; Whitford, Lesley A.; Seligman, Peter M.. - 1991 BASE Show details 10 Multiple-channel cochlear implants for children [Abstract] Clark, Graeme M.; Dawson, Pam W.. - 1991 BASE Show details 11 Speech perception, production and language results in a group of children using the 22-electrode cochlear implant Altidis, P. M.; Rickards, Field W.; Clark, Graeme M.. - 1989 BASE Show details

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