A deep learning solution to the marginal stability problems of acoustic feedback systems for hearing aids

C Zheng, M Wang, X Li, BCJ Moore - The Journal of the Acoustical …, 2022 - pubs.aip.org
For hearing aids, it is critical to reduce the acoustic coupling between the receiver and
microphone to ensure that prescribed gains are below the maximum stable gain, thus …

Null-steering beamformer-based feedback cancellation for multi-microphone hearing aids with incoming signal preservation

H Schepker, SE Nordholm, LTT Tran… - IEEE/ACM Transactions …, 2019 - ieeexplore.ieee.org
In hearing aids, acoustic feedback occurs due to the coupling between the hearing aid
loudspeaker and microphone (s). In order to reduce the acoustic feedback, adaptive filters …

Learning and Application of Feedback Path Database for Feedback Control in Hearing Aids

M Guo - IEEE Signal Processing Letters, 2022 - ieeexplore.ieee.org
State-of-the-art feedback control systems make use of adaptive filters to model and
compensate for the acoustic feedback paths, which vary in different acoustic situations. In a …

Online estimation of reverberation parameters for late residual echo suppression

NK Desiraju, S Doclo, M Buck… - IEEE/ACM Transactions …, 2019 - ieeexplore.ieee.org
In hands-free telephony and other distant-talk applications, often a short AEC filter is used to
achieve fast convergence at low computational cost. As a result, a significant amount of late …

Bayesian blind deconvolution with application to acoustic feedback path modeling

R Giri, T Zhang - … Conference on Acoustics, Speech and Signal …, 2017 - ieeexplore.ieee.org
Acoustic Feedback Path in a digital hearing aid is not only affected by the user's head and
ear, but also by different acoustic environments. But some of these effects are common for a …

Adaptive feedback cancellation in hearing aids based on orthonormal basis functions with prediction-error method based prewhitening

S Hashemgeloogerdi, MF Bocko - IEEE/ACM Transactions on …, 2020 - ieeexplore.ieee.org
Acoustic feedback is a persistent problem in hearing aids, which limits the achievable
amplification and may severely degrade the sound quality by producing howling artifacts. A …

Inherently stable weighted least-squares estimation of common acoustical poles with the application in feedback path modeling utilizing a Kautz filter

S Hashemgeloogerdi, MF Bocko - IEEE Signal Processing …, 2017 - ieeexplore.ieee.org
In adaptive feedback cancellation, the feedback path must be modeled precisely using as
few adaptive parameters as possible to reduce computational complexity and enable rapid …

A direct method to estimate common acoustical poles in room acoustics

Z Zhang, Y Shen, Y Shen - Journal of Sound and Vibration, 2020 - Elsevier
Many acoustic applications adopt the common-acoustical-pole and zero model while only
the common acoustical poles (CAP) are needed. This paper proposes a direct method to …

Performance analysis of transversal filter combination for feedback suppression in hearing aids

R Vanamadi, A Kar - 2021 IEEE 18th India Council …, 2021 - ieeexplore.ieee.org
This paper investigates the mean square performance of two transversal adaptive filters for
the feedback cancellation model in digital hearing aids. This convex combination allows the …

[PDF][PDF] Efficient parametric modeling, identification and equalization of room acoustics

G Vairetti - 2018 - lirias.kuleuven.be
Here I am, finally writing what feels like the final chapter of a very long story, and I am not
only referring to the length of this manuscript, but to the journey that had led to it. It all started …