Novel acoustic feedback cancellation approaches in hearing aid applications using probe noise and probe noise enhancement
Adaptive filters are widely used in acoustic feedback cancellation systems and have evolved
to be state-of-the-art. One major challenge remaining is that the adaptive filter estimates are …
to be state-of-the-art. One major challenge remaining is that the adaptive filter estimates are …
Adaptive feedback cancellation for realistic hearing aid applications
F Strasser, H Puder - IEEE/ACM Transactions on Audio, Speech …, 2015 - ieeexplore.ieee.org
Acoustic feedback is a well-known phenomenon in hearing aids. Under certain conditions it
causes the so-called howling effect, which is highly annoying for the hearing aid user and …
causes the so-called howling effect, which is highly annoying for the hearing aid user and …
Elastic-bound conditions for energetically optimal elasticity and their implications for biomimetic propulsion systems
Minimising the energy consumption associated with periodic motion is a priority common to
a wide range of technologies and organisms. These include many forms of biological and …
a wide range of technologies and organisms. These include many forms of biological and …
Feedback cancellation with probe sha** compensation
CRC Nakagawa, S Nordholm… - IEEE Signal Processing …, 2014 - ieeexplore.ieee.org
Adaptive feedback cancellation methods may integrate the use of probe signals to assist
with the biased optimal solution in acoustic systems working in closed-loop. However …
with the biased optimal solution in acoustic systems working in closed-loop. However …
Low-complexity multi-microphone acoustic echo control in the short-time fourier transform domain
ML Valero, EAP Habets - IEEE/ACM Transactions on Audio …, 2018 - ieeexplore.ieee.org
Many modern communication and smart devices are equipped with several microphones, in
addition to one or more loudspeakers. Each microphone not only acquires sounds produced …
addition to one or more loudspeakers. Each microphone not only acquires sounds produced …
Evaluation of state-of-the-art acoustic feedback cancellation systems for hearing aids
In this work we evaluate four state-of-the-art acoustic feedback cancellation systems for
hearing aid applications. We show that significant improvements in cancellation …
hearing aid applications. We show that significant improvements in cancellation …
Two-microphone hearing aids using prediction error method for adaptive feedback control
A challenge in hearing aids is adaptive feedback control which often uses an adaptive filter
to estimate the feedback path. This estimate of the feedback path usually results in a bias …
to estimate the feedback path. This estimate of the feedback path usually results in a bias …
Sub-band feedback cancellation with variable step sizes for music signals in hearing aids
F Strasser, H Puder - 2014 IEEE International Conference on …, 2014 - ieeexplore.ieee.org
Standard adaptive feedback cancellation algorithms in hearing aids suffer from a biased
adaptation if the input signal is spectrally colored, as it is for tonal signals, like music. Due to …
adaptation if the input signal is spectrally colored, as it is for tonal signals, like music. Due to …
On acoustic feedback cancellation using probe noise in multiple-microphone and single-loudspeaker systems
A probe noise signal can be used in an acoustic feedback cancellation system to prevent
biased adaptive estimation of acoustic feedback paths. However, practical experiences and …
biased adaptive estimation of acoustic feedback paths. However, practical experiences and …
On the periodically time-varying bias in adaptive feedback cancellation systems with frequency shifting
M Guo, B Kuenzle - 2016 IEEE International Conference on …, 2016 - ieeexplore.ieee.org
Frequency shifting has been used for acoustic feedback control in audio reinforcement
systems since the 1950s. It can be used as a stand-alone system and/or it can be combined …
systems since the 1950s. It can be used as a stand-alone system and/or it can be combined …