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A Thorough Investigation on Speech Enhancement Techniques for Hearing Aids

N. Shanmugapriya, E. Chandra
2014 International Journal of Computer Applications  
In hearing aid applications, the speech enhancement technique has been employed mainly for dipping the additive background noise.  ...  In recent years, speech development has become an interesting area in the field of signal processing especially in the applications of hearing aids.  ...  Tim Van et al (2007) [9] described the binaural cue preservation of a noise reduction algorithm for bilateral hearing aids.  ... 
doi:10.5120/17432-7957 fatcat:hznhpltdgrg6foncuzpui4xy7u

Speech enhancement for multimicrophone binaural hearing aids aiming to preserve the spatial auditory scene

Joachim Thiemann, Menno Müller, Daniel Marquardt, Simon Doclo, Steven van de Par
2016 EURASIP Journal on Advances in Signal Processing  
Modern binaural hearing aids utilize multimicrophone speech enhancement algorithms to enhance signals in terms of signal-to-noise ratio, but they may distort the interaural cues that allow the user to  ...  We use a bimodal approach, where a signal-to-noise ratio (SNR) estimator controls a binary decision mask, switching between the output signals of a binaural minimum variance distortionless response (MVDR  ...  binaural MVDR beamformer with partial noise estimation (MVDR-N).  ... 
doi:10.1186/s13634-016-0314-6 fatcat:kw3zys5ktzb2rhfhkqavl25ngq

Speech enhancement with multichannel Wiener filter techniques in multimicrophone binaural hearing aids

Tim Van den Bogaert, Simon Doclo, Jan Wouters, Marc Moonen
2009 Journal of the Acoustical Society of America  
This paper evaluates speech enhancement in binaural multimicrophone hearing aids by noise reduction algorithms based on the multichannel Wiener filter ͑MWF͒ and the MWF with partial noise estimate ͑MWF-N͒  ...  noise estimate to the MWF, done to improve the spatial awareness of the hearing aid user, reduces the amount of speech enhancement in a limited way.  ...  It showed that the loss in noise reduction due to the partial noise estimate was dependent on its original noise reduction performance.  ... 
doi:10.1121/1.3023069 pmid:19173423 fatcat:xz6vxvlohjgavjpaw6hki3ttx4

Interaural coherence preservation in MWF-based binaural noise reduction algorithms using partial noise estimation

Daniel Marquardt, Volker Hohmann, Simon Doclo
2015 2015 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP)  
Since for the MWF-IC no closed-form solution exists, in this paper we propose to preserve the IC using the binaural MWF with partial noise estimation (MWF-N), for which a closed-form solution exists.  ...  Besides noise reduction an important objective of binaural speech enhancement algorithms is the preservation of the binaural cues of both desired and undesired sound sources.  ...  For binaural hearing aids, algorithms that exploit the microphone signals from both the left and the right hearing aid are considered to be promising techniques for noise reduction, because in addition  ... 
doi:10.1109/icassp.2015.7178050 dblp:conf/icassp/MarquardtHD15 fatcat:2dlvkfwjdbgg3gb4cueu6ql2va

Theoretical Analysis of Binaural Multimicrophone Noise Reduction Techniques

B. Cornelis, S. Doclo, T. Van dan Bogaert, M. Moonen, J. Wouters
2010 IEEE Transactions on Audio, Speech, and Language Processing  
Binaural hearing aids use microphone signals from both left and right hearing aid to generate an output signal for each ear.  ...  Two extensions of the binaural SDW-MWF have therefore been proposed to improve the binaural cue preservation, namely the MWF with partial noise estimation (MWF-) and MWF with interaural transfer function  ...  His research interest are in binaural signal processing for hearing aids, speech enhancement algorithms, and acoustical beamforming.  ... 
doi:10.1109/tasl.2009.2028374 fatcat:vh6xsgxoabh2vdspnpwemi7cgi

A Robust Binaural Linearly Constrained Minimum Variance with Spatial Cues Preservation for Hearing Aids Beamforming [article]

Hala As'ad, Martin Bouchard, Homayoun Kamkar-Parsi
2018 arXiv   pre-print
In this work, a robust binaural beamforming algorithm for hearing aid applications is introduced.  ...  target signal, and a post processor based on a complex coherence for classification, selection, and mixing of binaural signals at each time-frequency bin.  ...  Binaural hearing aids have a hearing aid unit on each side of the head, each equipped with multiple microphones, and the units are capable to transmit some signals from one side to the other side through  ... 
arXiv:1811.01133v1 fatcat:jmg3woqvsrcrddrxxcd34lbhuy

Digital Signal Processing for Hearing Instruments

Heinz G. Göckler, Henning Puder, Hugo Fastl, Sven Erik Nordholm, Torsten Dau, Walter Kellermann
2009 EURASIP Journal on Advances in Signal Processing  
The database provides a tool for the evaluation of multichannel hearing aid algorithms in hearing aid research.  ...  Digital signal processing for hearing instruments has been an active field of research and industrial development for more than 25 years.  ...  The database provides a tool for the evaluation of multichannel hearing aid algorithms in hearing aid research.  ... 
doi:10.1155/2009/898576 fatcat:boqoodm23jdc3jhgbiux2m4kce

The effect of multimicrophone noise reduction systems on sound source localization by users of binaural hearing aids

Tim Van den Bogaert, Simon Doclo, Jan Wouters, Marc Moonen
2008 Journal of the Acoustical Society of America  
Two recently developed noise reduction techniques for binaural hearing aids were evaluated, namely, the binaural multichannel Wiener filter ͑MWF͒ and the binaural multichannel Wiener filter with partial  ...  noise estimate ͑MWF-N͒, together with a dual-monaural adaptive directional microphone ͑ADM͒, which is a widely used noise reduction approach in commercial hearing aids.  ...  The binaural MWF produces a minimum MSE estimate of the speech component for each hearing aid.  ... 
doi:10.1121/1.2931962 pmid:18646992 fatcat:35arjq4kbvcfbhkwyn7xin27ge

Sound Processing for Better Coding of Monaural and Binaural Cues in Auditory Prostheses

Jan Wouters, Simon Doclo, Raphael Koning, Tom Francart
2013 Proceedings of the IEEE  
Several state-of-the-art signal processing algorithms used in cochlear implants (CIs) and in hearing aids (HAs) are introduced.  ...  Advances in signal processing technologies for modern hearing aids and cochlear implants with improved sound perception are discussed in this paper.  ...  The loudness of the microphone signals for a normal-hearing listener is estimated, the loudness of the signals after CI and HA processing is estimated using loudness models for impaired hearing, and level  ... 
doi:10.1109/jproc.2013.2257635 fatcat:s2e7a7hecrhsdp3h4y36kr2nbq

Binaural LCMV Beamforming with Partial Noise Estimation [article]

Nico Gößling and Elior Hadad and Sharon Gannot and Simon Doclo
2020 arXiv   pre-print
Second, the BMVDR with partial noise estimation (BMVDR-N) mixes the output signals of the BMVDR with the noisy reference microphone signals, enabling to control the binaural cues of the background noise  ...  Merging the advantages of both extensions, in this paper we propose the BLCMV with partial noise estimation (BLCMV-N).  ...  While for (incoherent) background noise the BMVDR-N showed promising results [16] , [21] , the effect of partial noise estimation on a (coherent) interfering source strongly depends on the position of  ... 
arXiv:1905.04050v2 fatcat:74rn5pbbozc7vb6p7ufqiupuwy

Low-delay wind noise cancellation with preservation of spatial information for binaural hearing aids

Nobuhiko Hiruma, Hidetoshi Nakashima, Yoh-ichi Fujisaka
2018 Acoustical Science and Technology  
Wind noise annoys hearing-aid users, and it is hard to attach a windscreen to a hearing-aid microphone, for cosmetic reasons.  ...  Some hearing-aid devices reduce the low-frequency components of input signals by using high-pass filters to suppress the wind noise.  ...  CONCLUSION In this paper, we proposed a low-delay wind noise cancellation algorithm for binaural hearing aids.  ... 
doi:10.1250/ast.39.397 fatcat:36nurybpzvguvllbheeabxkcpy

Evaluation Of Signal Enhancement Algorithms For Hearing Instruments

Michael Büchler, Norbert Dillier, Wouter Dreschler, Koen Eneman, Matthias Froehlich, Giso Grimm, Volker Hohmann, Rolph Houben, Arne Leijon, Anthony Lombard, Heleen Luts, Dirk Mauler (+4 others)
2008 Zenodo  
Publication in the conference proceedings of EUSIPCO, Lausanne, Switzerland, 2008  ...  PHYSICAL EVALUATION To properly validate a signal enhancement algorithm in a hearing aid context, dedicated evaluation measures are required that can accurately predict algorithm performance for a number  ...  Apart from passing signals to and from the algorithms, the MHA software is also responsible for applying basic hearing aid processing to the signals, such as frequency dependent gain setting and level  ... 
doi:10.5281/zenodo.40909 fatcat:m7kj57c5g5cmzousjnbmkzqgxm

Binaural Signal Processing in Hearing Aids

Peter Derleth, Eleftheria Georganti, Matthias Latzel, Gilles Courtois, Markus Hofbauer, Juliane Raether, Volker Kuehnel
2021 Seminars in Hearing  
Aspects related to the communication and exchange of data between the left and right hearing aids are discussed together with typical algorithmic approaches implemented in modern hearing aids.  ...  For most individuals with bilateral hearing impairment, the body of evidence collected across decades of research has also found that the provision of two compared with one hearing aid yields significant  ...  ACKNOWLEDGMENTS The authors would like to thank Stina Wargert and Stefan Launer for their contributions to this publication.  ... 
doi:10.1055/s-0041-1735176 pmid:34594085 pmcid:PMC8463127 fatcat:up6c23pqnzh6nia53i2wsxs4ie

Binaural noise reduction via cue-preserving MMSE filter and adaptive-blocking-based noise PSD estimation

Masoumeh Azarpour, Gerald Enzner
2017 EURASIP Journal on Advances in Signal Processing  
Binaural noise reduction, with applications for instance in hearing aids, has been a very significant challenge.  ...  This task relates to the optimal utilization of the available microphone signals for the estimation of the ambient noise characteristics and for the optimal filtering algorithm to separate the desired  ...  Rainer Martin for his valuable feedback. Authors' contributions All the contributions are by the authors. Both authors read and approved the final manuscript.  ... 
doi:10.1186/s13634-017-0485-9 fatcat:6lfcf5ujcvaoxnekcgkakwalnq

Objective Prediction of Hearing Aid Benefit Across Listener Groups Using Machine Learning: Speech Recognition Performance With Binaural Noise-Reduction Algorithms

Marc R. Schädler, Anna Warzybok, Birger Kollmeier
2018 Trends in Hearing  
hearing with and without a given hearing-aid algorithm.  ...  binaural noisereduction algorithms.  ...  Acknowledgments The authors would like to thank Giso Grimm and Tobias Herzke for their support with the Master Hearing Aid.  ... 
doi:10.1177/2331216518768954 pmid:29692200 pmcid:PMC5949929 fatcat:b6dejzkckfddratdsnfq4gsw64
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