Multichannel acoustic echo cancellation in the wave domain with increased robustness to nonuniqueness

M Schneider, W Kellermann - IEEE/ACM Transactions on …, 2016 - ieeexplore.ieee.org
Acoustic echo cancellation (AEC) is significantly more challenging in the case of
multichannel reproduction compared to the single-channel case. This is mainly due to the so …

[图书][B] Acoustic echo reduction for multiple loudspeakers and microphones: Complexity reduction and convergence enhancement

ML Valero - 2019 - search.proquest.com
Modern devices such as mobile phones, tablets or smart speakers are commonly equipped
with several loudspeakers and microphones. If, for instance, one employs such a device for …

Inter-channel decorrelation by sub-band resampling in frequency domain

J Wung, TS Wada, BH Juang - 2012 IEEE International …, 2012 - ieeexplore.ieee.org
This paper presents a novel decorrelation procedure by frequency-domain resampling in
sub-bands. The new procedure expands on the idea of resampling in the frequency domain …

Inter-channel decorrelation by sub-band resampling for multi-channel acoustic echo cancellation

J Wung, TS Wada, M Souden… - IEEE Transactions on …, 2014 - ieeexplore.ieee.org
An inter-channel decorrelation procedure is highly recommended for multi-channel acoustic
echo cancellation (AEC) to directly assist adaptive filtering algorithms in overcoming the so …

Inter-channel decorrelation by resampling via time-domain interpolation filters derived from the time-shifting property

J Wung, TS Wada, F Juang - IWAENC 2012; International …, 2012 - ieeexplore.ieee.org
We have shown previously that decorrelation by resampling (DBR) effectively alleviates the
non-uniqueness problem caused by highly correlated reference signals during multi …

On echo cancellation for dynamic spatial audio in telepresence systems

MM Nophut - 2024 - repo.uni-hannover.de
Modern telepresence systems are increasingly approaching their desired ideal, where
physical distances between individuals or locations are bridged, and the involved technical …

Apparatus and method for encoding or decoding a multi-channel signal using spectral-domain resampling

G Fuchs, E Ravelli, M Multrus, M Schnell… - US Patent …, 2020 - Google Patents
An apparatus for encoding a multi-channel signal having at least two channels is provided.
The apparatus includes a time-spectral converter, converting sequences of blocks of …

On the performance of the robust acoustic echo cancellation system with decorrelation by sub-band resampling

J Wung, TS Wada, BH Juang - 2013 IEEE International …, 2013 - ieeexplore.ieee.org
This paper examines the effect of inter-channel decorrelation by sub-band resampling (SBR)
on the performance of the robust acoustic echo cancellation (AEC) system based on the …

基于Windows 平台的双通道回声抵消系统

刘扬, 付中华, 唐玲 - 计算机与现代化, 2014 - cam.org.cn
描述一个基于Windows 平台的双通道回声抵消系统. 该系统使用一种高速, 高采样率的音频I/O
驱动模型, 能够在底层解决系统中声音处理的实时性和同步性问题. 为了尽量减少网络和计算机 …

Apparatus and method for estimating an inter-channel time difference

S Bayer, E Fotopoulou, M Multrus, G Fuchs… - US Patent …, 2020 - Google Patents
An apparatus for estimating an inter-channel time difference between a first channel signal
and a second channel signal, includes: a calculator for calculating a cross-correlation …