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Cognitive Control of a Hearing Aid

Total Cost €


EC-Contrib. €






Project "COCOHA" data sheet

The following table provides information about the project.


Organization address
address: 45, RUE D'ULM
city: PARIS CEDEX 05
postcode: 75230

contact info
title: n.a.
name: n.a.
surname: n.a.
function: n.a.
email: n.a.
telephone: n.a.
fax: n.a.

 Coordinator Country France [FR]
 Project website
 Total cost 3˙998˙125 €
 EC max contribution 3˙217˙500 € (80%)
 Programme 1. H2020-EU. (Content technologies and information management: ICT for digital content, cultural and creative industries)
 Code Call H2020-ICT-2014-1
 Funding Scheme RIA
 Starting year 2015
 Duration (year-month-day) from 2015-01-01   to  2018-12-31


Take a look of project's partnership.

# participants  country  role  EC contrib. [€] 
1    ECOLE NORMALE SUPERIEURE FR (PARIS CEDEX 05) coordinator 991˙250.00
3    UNIVERSITY COLLEGE LONDON UK (LONDON) participant 773˙750.00
4    OTICON A/S DK (SMORUM) participant 670˙000.00
5    UNIVERSITAT ZURICH CH (ZURICH) participant 0.00


 Project objective

We propose to design a hearing aid system that can be mentally (cognitively) steered so as to allow a more “natural communication” for the hearing disabled, a population that forms over 7% of Europeans (50 million people). Hearing disabilities lead to a degraded quality of life, exclusion, and associated costs for society. Hearing aids (and cochlear implants), while effective in quiet, are still unreliable in noisy reverberant environments typical of realistic everyday life situations. Based on recent success in decoding non-invasive cortical recordings (EEG, MEG), and our multidisciplinary team (of engineers, neurophysiologists, psychophysicists, and audiologists), we propose to develop and implement algorithms to decode brain signals picked up by EEG electrodes to extract intention signals, and to match them to acoustic sources within the environment. These in turn will steer an acoustic beam-former towards the targeted speaker or sound source. We propose to implement the design within a real hearing aid, and to evaluate the outcome with normal and hearing impaired subjects. The results of this project will benefit hearing aid and cochlear-implant industries (well represented in Europe), and the end users who are the elderly and hearing impaired. It will also lead to increased scientific understanding and knowledge of attention mechanisms, and how they might be harnessed to control sensory inputs. We hope the results of this project will be a forerunner for broader applications of cognitive brain imaging to decipher and exploit human intentions in prosthetic sensory systems, especially given the increased availability, miniaturization, and affordability of EEG recording setups in scientific research and medical diagnostics.


List of deliverables.
Final report. Documents, reports 2020-02-12 08:28:57
Scientific Workshop 2 Websites, patent fillings, videos etc. 2020-02-12 08:28:57
Final report on attention Documents, reports 2020-02-12 08:28:57
Recommendations for final hearing aid device Documents, reports 2020-02-12 08:28:57
Report on EEG, attention switching task Documents, reports 2020-02-12 08:28:57
Database of acoustic recordings Documents, reports 2020-02-12 08:28:56
Report on audio preprocessing Documents, reports 2020-02-12 08:28:56
Specification of acoustic scenarios Documents, reports 2020-02-12 08:28:56
Report on hearing aid relevant recording Documents, reports 2020-02-12 08:28:56
Report on on-board computation Documents, reports 2020-02-12 08:28:55
Scientific workshop 1 Websites, patent fillings, videos etc. 2020-02-12 08:28:56
EarEEG integrated in EEG Other 2020-02-12 08:28:55
Report on test platform Documents, reports 2020-02-12 08:28:55
Specifications of portable hand-held device Documents, reports 2020-02-12 08:28:55
Report on EEG database, HI listeners and age-matched NH listeners Documents, reports 2020-02-12 08:28:55
Report on initial psychophysics, objective attention Documents, reports 2020-02-12 08:28:56
Report on EEG, objective attention task Documents, reports 2020-02-12 08:28:56
Progress report 2 Documents, reports 2020-02-12 08:28:56
Progress report 1 Documents, reports 2020-02-12 08:28:56
Report on EEG signal preprocessing Documents, reports 2020-02-12 08:28:56
Report on EEG, switch attention tasks Documents, reports 2020-02-12 08:28:56
Report on joint decoding Documents, reports 2020-02-12 08:28:56
Website Websites, patent fillings, videos etc. 2020-02-12 08:28:55
Data Management Plan Documents, reports 2020-02-12 08:28:55

Take a look to the deliverables list in detail:  detailed list of COCOHA deliverables.


year authors and title journal last update
List of publications.
2017 Jens Hjortkjær, Tanja Kassuba, Kristoffer H Madsen, Martin Skov, Hartwig R Siebner
Task-Modulated Cortical Representations of Natural Sound Source Categories
published pages: 295-306, ISSN: 1047-3211, DOI: 10.1093/cercor/bhx263
Cerebral Cortex 28/1 2020-02-12
2018 Alain de Cheveigné, Daniel D.E. Wong, Giovanni M. Di Liberto, Jens Hjortkjær, Malcolm Slaney, Edmund Lalor
Decoding the auditory brain with canonical component analysis
published pages: 206-216, ISSN: 1053-8119, DOI: 10.1016/j.neuroimage.2018.01.033
NeuroImage 172 2020-02-12
2018 Alain de Cheveigné, Dorothée Arzounian
Robust detrending, rereferencing, outlier detection, and inpainting for multichannel data
published pages: , ISSN: 1053-8119, DOI: 10.1016/j.neuroimage.2018.01.035
NeuroImage 2020-02-12
2017 Søren Asp Fuglsang, Torsten Dau, Jens Hjortkjær
Noise-robust cortical tracking of attended speech in real-world acoustic scenes
published pages: 435-444, ISSN: 1053-8119, DOI: 10.1016/j.neuroimage.2017.04.026
NeuroImage 156 2020-02-12
2018 Jens Hjortkjaer, Jonatan Märcher-Rørsted, Søren A. Fuglsang, Torsten Dau
Cortical oscillations and entrainment in speech processing during working memory load
published pages: , ISSN: 0953-816X, DOI: 10.1111/ejn.13855
European Journal of Neuroscience 2020-02-12
2017 C. Pelofi, V. de Gardelle, P. Egré, D. Pressnitzer
Interindividual variability in auditory scene analysis revealed by confidence judgements
published pages: 20160107, ISSN: 0962-8436, DOI: 10.1098/rstb.2016.0107
Philosophical Transactions of the Royal Society B: Biological Sciences 372/1714 2020-02-12
2016 Alain de Cheveigné
Sparse time artifact removal
published pages: 14-20, ISSN: 0165-0270, DOI: 10.1016/j.jneumeth.2016.01.005
Journal of Neuroscience Methods 262 2020-02-12
2017 Thomas Andrillon, Daniel Pressnitzer, Damien Léger, Sid Kouider
Formation and suppression of acoustic memories during human sleep
published pages: , ISSN: 2041-1723, DOI: 10.1038/s41467-017-00071-z
Nature Communications 8/1 2020-02-12
2016 I-Fan Lin, Trevor R. Agus, Clara Suied, Daniel Pressnitzer, Takashi Yamada, Yoko Komine, Nobumasa Kato, Makio Kashino
Fast response to human voices in autism
published pages: , ISSN: 2045-2322, DOI: 10.1038/srep26336
Scientific Reports 6/1 2020-02-12
2015 Anja T. Zai, Saurabh Bhargava, Nima Mesgarani, Shih-Chii Liu
Reconstruction of audio waveforms from spike trains of artificial cochlea models
published pages: , ISSN: 1662-453X, DOI: 10.3389/fnins.2015.00347
Frontiers in Neuroscience 9 2020-02-12
2017 Ulrich Pomper, Maria Chait
The impact of visual gaze direction on auditory object tracking
published pages: , ISSN: 2045-2322, DOI: 10.1038/s41598-017-04475-1
Scientific Reports 7/1 2020-02-12
2018 Enea Ceolini, Jithendar Anumula, Adrian Huber, Ilya Kiselev, Shih-Chii Liu
Speaker Activity Detection and Minimum Variance Beamforming for Source Separation
published pages: 836-840, ISSN: , DOI: 10.21437/interspeech.2018-1606
Interspeech 2018 2020-02-12
2019 Alain de Cheveigné, Giovanni M. Di Liberto, Dorothée Arzounian, Daniel D.E. Wong, Jens Hjortkjær, Søren Fuglsang, Lucas C. Parra
Multiway canonical correlation analysis of brain data
published pages: 728-740, ISSN: 1053-8119, DOI: 10.1016/j.neuroimage.2018.11.026
NeuroImage 186 2020-02-12
2018 Stefan Braun, Daniel Neil, Jithendar Anumula, Enea Ceolini, Shih-Chii Liu
Multi-channel Attention for End-to-End Speech Recognition
published pages: 17-21, ISSN: , DOI: 10.21437/interspeech.2018-1301
Interspeech 2018 2020-02-12
2018 Katharine Molloy, Nilli Lavie, Maria Chait
Auditory figure-ground segregation is impaired by high visual load
published pages: 2518-18, ISSN: 0270-6474, DOI: 10.1523/jneurosci.2518-18.2018
The Journal of Neuroscience 2020-02-12
2019 de Cheveigné, A. Nelken, I.
Filters: when, why and how (not) to use them
published pages: , ISSN: 1097-4199, DOI:
Neuron 2020-02-12

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