Dual microphone noise PSD estimation for mobile phones in hands-free position exploiting the coherence and speech presence probability

CM Nelke, C Beaugeant, P Vary - 2013 IEEE International …, 2013 - ieeexplore.ieee.org
This contribution addresses the enhancement of noisy speech signals picked up by a dual
microphone mobile phone in hands-free position. A novel technique to estimate the noise …

[PDF][PDF] Wind noise reduction: signal processing concepts

CM Nelke - 2016 - ikspub.iks.rwth-aachen.de
With the technological progress, devices, such as mobile phones, tablet computers or
hearing aids, can be used in a large variety of every-day situations for mobile …

Using automatic speech recognition and speech synthesis to improve the intelligibility of cochlear implant users in reverberant listening environments

K Chu, L Collins, B Mainsah - ICASSP 2020-2020 IEEE …, 2020 - ieeexplore.ieee.org
Cochlear implant (CI) users experience substantial difficulties in understanding reverberant
speech. A previous study proposed a strategy that leverages automatic speech recognition …

Generalized coherence-based signal enhancement

HW Löllmann, A Brendel… - ICASSP 2020-2020 IEEE …, 2020 - ieeexplore.ieee.org
This contribution presents a novel approach for coherence-based signal enhancement. An
estimator for the coherent-to-diffuse ratio (CDR) is devised, which exploits the concept of …

Effective rank-based estimation of the coherent-to-diffuse power ratio

HW Löllmann, A Brendel… - ICASSP 2021-2021 IEEE …, 2021 - ieeexplore.ieee.org
Many algorithms for speech dereverberation and noise reduction rely on an estimate of the
coherent-to-diffuse power ratio (CDR). Such systems typically operate in very diverse …

Phoneme-Based Ratio Mask Estimation for Reverberant Speech Enhancement in Cochlear Implant Processors

KM Chu, LM Collins, BO Mainsah - arXiv preprint arXiv:2105.14135, 2021 - arxiv.org
Cochlear implant (CI) users have considerable difficulty in understanding speech in
reverberant listening environments. Time-frequency (TF) masking is a common technique …

Using Phoneme Groups to Train Deep Learning Models to Remove Reverberation in Cochlear Implant Stimulus Patterns

K Chu - 2022 - search.proquest.com
A cochlear implant (CI) is a medical device that aims to restore sound perception and
speech intelligibility to individuals with profound sensorineural hearing loss. CIs mimic the …

Assessing the intelligibility of vocoded speech using a remote testing framework

KM Chu, LM Collins, BO Mainsah - arXiv preprint arXiv:2105.14120, 2021 - arxiv.org
Over the past year, remote speech intelligibility testing has become a popular and necessary
alternative to traditional in-person experiments due to the need for physical distancing …

Late reverberation reduction and blind reverberation time measurement for automatic speech recognition

A Prodeus - 2017 IEEE First Ukraine Conference on Electrical …, 2017 - ieeexplore.ieee.org
Development of automatic speech recognition (ASR) systems robust to late reverberation
action is urgent task. It is well known that a late reverberation reduction algorithm used as …

HD-Voice-3D: Herausforderungen und Lösungen bei der Audiosignalverarbeitung

M Rüngeler, H Krüger, G Behler, P Vary - 2013 - dl.gi.de
Der Übergang von Schmalband-Sprache zu Breitband-Sprache mit höherer Qualität-auch
bezeichnet als HD-Voice-in öffentlichen Telefonnetzen war und ist (immer noch) ein …