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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 Real-time hearing-aid research platform (HARP) : realization, calibration, and evaluation Buchholz, Jörg M. - : S. Hirzel Verlag, 2013 BASE Show details 2 Modeling horizontal localization of complex sounds in the impaired and aided impaired auditory system Le Goff, Nicolas; Buchholz, Jörg M; Dau, Torsten. - : Berlin, 2013. : Heidelberg : Springer, 2013 Abstract: Background noise, room reflections, or interfering sound sources represent a challenge for daily one-to-one communication, particularly for hearing-impaired listeners, even when wearing hearing aid devices. Through a modeling approach, this project investigated how peripheral hearing loss impairs the processing of spatial cues in adverse listening conditions. A binaural model in which the peripheral processor can be tuned to account for individual hearing loss was developed to predict localization in anechoic and reverberant rooms. Hearing impairment was accounted for by a loss of sensitivity, a loss of cochlear compression and reduced frequency selectivity. A spatial cue-selection mechanism processed the output of the binaural equalization-&-cancellation processor to evaluate the localization information’s reliability based on interaural coherence. The simulations in anechoic environment suggested that the sound-source-location estimates become less reliable and blurred in the case of reduced audibility. Simulations in rooms suggested that the broadening of the auditory filters reduces the fidelity of spectral cues and affects the internal representation of interaural level differences. The model-based analysis of hearing-aid processing showed that amplification and compression used to recover audibility also partially recovered the internal representation of the spatial cues in the impaired auditory system. Future work is needed to extend and experimentally validate the model. Overall, the current model represents a first step towards the development of a dedicated research tool for investigating and understanding the processing of spatial cues in adverse listening conditions, with a long-term goal of contributing to solving the cocktail-party problem for normal hearing and hearing-impaired listeners. ; 24 page(s) Keyword: 091300 Mechanical Engineering URL: http://hdl.handle.net/1959.14/288234 BASE Hide details 3 The Importance of interaural time differences and level differences in spatial release from masking Glyde, Helen; Buchholz, Jörg M; Dillon, Harvey. - : Acoustical Society of America, 2013 BASE Show details 4 Binaural dereverberation Tsilfidis, Alexandros; Westermann, Adam; Buchholz, Jörg M. - : Berlin, 2013. : Heidelberg : Springer, 2013 BASE Show details 5 Effect of higher-order ambisonics on evaluating beamformer benefit in realistic acoustic environments Oreinos, Chris; Buchholz, Jörg M; Mejia, Jorge. - : Piscataway, NJ : IEEE, 2013 BASE Show details 6 Measurement of a full 3D set of HRTFs for in-ear and hearing aid microphones on a Head and Torso Simulator (HATS) Oreinos, Chris; Buchholz, Jörg M. - : S. Hirzel Verlag, 2013 BASE Show details 7 Binaural dereverberation based on interaural coherence histograms Westermann, Adam; Buchholz, Jörg M; Dau, Torsten. - : Acoustical Society of America, 2013 BASE Show details 8 The Influence of masker type on early reflection processing and speech intelligibility (L) Arweiler, Iris; Buchholz, Jörg M; Dau, Torsten. - : Acoustical Society of America, 2013 BASE Show details 9 The Influence of spectral and spatial characteristics of early reflections on speech intelligibility Arweiler, Iris; Buchholz, Jörg M. - : Acoustical Society of America, 2011 BASE Show details 10 A Quantitative analysis of spectral mechanisms involved in auditory detection of coloration by a single wall reflection Buchholz, Jörg M. - : Elsevier BV, 2011 BASE Show details 11 The effect of a voice activity detector on the speech enhancement performance of the binaural multichannel wiener filter Catic, Jasmina; Dau, Torsten; Buchholz, Jörg M. - : Springer, 2010 BASE Show details

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