Prediction error method (PEM)-based howling cancellation in hearing aids: Can we do better?

MT Akhtar, F Albu, A Nishihara - IEEE Access, 2022 - ieeexplore.ieee.org
This work develops an effective technique acoustic feedback cancellation (AFC) in the
digital hearing aid (DHAid) devices. The normalized least mean square (NLMS) algorithm …

Design and FPGA implementation of an adaptive narrowband interference suppression filter

Y Zhang, L Zhang, Z Wu, Y Su… - IEEE Transactions on …, 2024 - ieeexplore.ieee.org
The sensitivity and spectral performance of radio telescopes are increasingly affected by
deteriorating electromagnetic environments. Therefore, develo** a real-time interference …

Noise reduction using modified wiener filter in digital hearing aid for speech signal enhancement

MA Kumar, KM Chari - Journal of Intelligent Systems, 2020 - degruyter.com
Speech signals are usually affected by noises during the communication process. For
suppressing the noise signal that is combined with the speech signal, a Wiener filter is …

[HTML][HTML] Acoustic feedback cancellation in hearing aids using dual adaptive filtering and gain-controlled probe signal

MT Akhtar, F Albu, A Nishihara - Biomedical Signal Processing and Control, 2019 - Elsevier
In this paper, we propose a probe signal-based adaptive filtering method for acoustic
feedback cancellation (AFC) in hearing aids. The proposed method consists of two adaptive …

[HTML][HTML] Maximum Versoria-criterion (MVC)-based adaptive filtering method for mitigating acoustic feedback in hearing-aid devices

MT Akhtar, F Albu, A Nishihara - Applied Acoustics, 2021 - Elsevier
In any digital hearing aid (HAid), the input microphone and the receiver loudspeaker are
closely located. Furthermore, HAid cannot be tightly fitted for comfort reasons. Therefore, it is …

Stochastic analysis of the NLMS algorithm for nonstationary environment and deficient length adaptive filter

MV Matsuo, EV Kuhn, R Seara - Signal Processing, 2019 - Elsevier
This paper presents a stochastic model of the normalized least-mean-square (NLMS)
algorithm assuming nonstationary environment, deficient length adaptive filter, as well as …

Stochastic modeling of the NLMS algorithm for complex Gaussian input data and nonstationary environment

EV Kuhn, JE Kolodziej, R Seara - Digital Signal Processing, 2014 - Elsevier
This paper presents a stochastic model for the normalized least-mean-square (NLMS)
algorithm operating in a nonstationary environment with complex-valued Gaussian input …

Increasing convergence speed of FxLMS algorithm in white noise environment

B Krstajic, Z Zecevic, Z Uskokovic - AEU-International Journal of Electronics …, 2013 - Elsevier
A modification of the Filtered-x Least Mean Square (FxLMS) algorithm, aimed to reduce the
influence of the secondary path and to increase the convergence speed in the white noise …

On the stochastic analysis of the NLMS algorithm for white and correlated Gaussian inputs in time-varying environments

MV Matsuo, R Seara - Signal Processing, 2016 - Elsevier
This paper presents a stochastic model of the normalized least-mean-square (NLMS)
algorithm aiming to study its behavior in time-varying environments for both white and …

Automatic tuning of probe noise for continuous acoustic feedback cancelation in hearing aids

MT Akhtar, A Nishihara - 2016 24th European Signal …, 2016 - ieeexplore.ieee.org
In this paper, we propose a probe signal-based method for continuous acoustic adaptive
feedback cancellation (AFC) in digital hearing aids. The main idea is to incorporate a time …