Michael A. Akeroyd
The 2nd Clarity Enhancement Challenge for Hearing Aid Speech Intelligibility Enhancement: Overview and Outcomes
Akeroyd, Michael A.; Bailey, Will; Barker, Jon; Cox, Trevor J.; Culling, John F.; Graetzer, Simone; Naylor, Graham; Podwińska, Zuzanna; Tu, Zehai
Authors
Dr Will Bailey W.Bailey@salford.ac.uk
Industry Collaboration Fellow
Jon Barker
Prof Trevor Cox T.J.Cox@salford.ac.uk
Professor
John F. Culling
Dr Simone Graetzer S.N.Graetzer@salford.ac.uk
Research Fellow
Graham Naylor
Zuzanna Podwińska
Zehai Tu
Abstract
This paper reports on the design and outcomes of the 2nd Clarity Enhancement Challenge (CEC2), a challenge for stimulating novel approaches to hearing-aid speech intelligibility enhancement. The challenge was for a listener attending to a target speaker in a noisy, domestic environment. The challenge extends the previous edition, CEC1, in a number of key respects: scenes have multiple interferers including speech, noise and music; ambisonics are used to model listener head movement; target speaker identity is provided to encourage speaker extraction approaches. Systems are evaluated both via the HASPI intelligibility metric and with listening tests using a panel of hearing-impaired listeners. The paper reviews the 18 systems that were submitted describing them in terms of their enhancement and amplification stages. HASPI is seen to be a good predictor of listener performance. The top system, using carefully engineered neural approaches, produces highly intelligible signals for complex scenes with SNRs down to -12 dB while obeying the challenges 5 ms latency constraint.
Citation
Akeroyd, M. A., Bailey, W., Barker, J., Cox, T. J., Culling, J. F., Graetzer, S., …Tu, Z. (2023). The 2nd Clarity Enhancement Challenge for Hearing Aid Speech Intelligibility Enhancement: Overview and Outcomes. . https://doi.org/10.1109/icassp49357.2023.10094918
Conference Name | ICASSP 2023 - 2023 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP) |
---|---|
Conference Location | Rhodes Island, Greece |
Start Date | Jun 4, 2023 |
End Date | Jun 10, 2023 |
Publication Date | Jun 4, 2023 |
Deposit Date | Jun 14, 2023 |
Publisher | Institute of Electrical and Electronics Engineers |
ISBN | 9781728163284 |
DOI | https://doi.org/10.1109/icassp49357.2023.10094918 |
Publisher URL | https://ieeexplore.ieee.org/abstract/document/10094918 |
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