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Building on the deep learning based acoustic echo cancellation (AEC) in the single-loudspeaker (single-channel) and single-microphone setup, this paper investigates multi-channel AEC (MCAEC) and multi-microphone AEC (MMAEC). We train a deep…

Audio and Speech Processing · Electrical Eng. & Systems 2021-03-04 Hao Zhang , DeLiang Wang

Acoustic echo cancellation (AEC) plays an important role in the full-duplex speech communication as well as the front-end speech enhancement for recognition in the conditions when the loudspeaker plays back. In this paper, we present an…

Audio and Speech Processing · Electrical Eng. & Systems 2022-05-24 Meng Yu , Yong Xu , Chunlei Zhang , Shi-Xiong Zhang , Dong Yu

Acoustic Echo Cancellation (AEC) plays a key role in speech interaction by suppressing the echo received at microphone introduced by acoustic reverberations from loudspeakers. Since the performance of linear adaptive filter (AF) would…

Sound · Computer Science 2021-06-02 Lu Ma , Song Yang , Yaguang Gong , Zhongqin Wu

Acoustic echo cancellation (AEC) is an important speech signal processing technology that can remove echoes from microphone signals to enable natural-sounding full-duplex speech communication. While single-channel AEC is widely adopted,…

Sound · Computer Science 2025-06-09 Fei Zhao , Xueliang Zhang , Zhong-Qiu Wang

End-to-End deep learning has shown promising results for speech enhancement tasks, such as noise suppression, dereverberation, and speech separation. However, most state-of-the-art methods for echo cancellation are either classical…

Audio and Speech Processing · Electrical Eng. & Systems 2022-11-02 Yang Liu , Yangyang Shi , Yun Li , Kaustubh Kalgaonkar , Sriram Srinivasan , Xin Lei

Acoustic echo cancellation (AEC) is designed to remove echoes, reverberation, and unwanted added sounds from the microphone signal while maintaining the quality of the near-end speaker's speech. This paper proposes adaptive speech quality…

Sound · Computer Science 2022-11-10 Bozhong Liu , Xiaoxi Yu , Hantao Huang

Acoustic Echo Cancellation (AEC) whose aim is to suppress the echo originated from acoustic coupling between loudspeakers and microphones, plays a key role in voice interaction. Linear adaptive filter (AF) is always used for handling this…

Sound · Computer Science 2021-06-01 Lu Ma , Song Yang , Yaguang Gong , Xintian Wang , Zhongqin Wu

Acoustic Echo Cancellation (AEC) is an essential speech signal processing technology that removes echoes from microphone inputs to facilitate natural-sounding full-duplex communication. Currently, deep learning-based AEC methods primarily…

Sound · Computer Science 2024-12-30 Fei Zhao , Xueliang Zhang

Deep neural networks (DNNs) have shown promising results for acoustic echo cancellation (AEC). But the DNN-based AEC models let through all near-end speakers including the interfering speech. In light of recent studies on personalized…

Sound · Computer Science 2022-07-01 Shimin Zhang , Ziteng Wang , Yukai Ju , Yihui Fu , Yueyue Na , Qiang Fu , Lei Xie

Acoustic echo cancellation (AEC) in full-duplex communication systems eliminates acoustic feedback. However, nonlinear distortions induced by audio devices, background noise, reverberation, and double-talk reduce the efficiency of…

Audio and Speech Processing · Electrical Eng. & Systems 2022-06-29 Vinay Kothapally , Yong Xu , Meng Yu , Shi-Xiong Zhang , Dong Yu

We propose a novel neural network-based end-to-end acoustic echo cancellation (E2E-AEC) method capable of streaming inference, which operates effectively without reliance on traditional linear AEC (LAEC) techniques and time delay…

Sound · Computer Science 2026-01-26 Yiheng Jiang , Biao Tian , Haoxu Wang , Shengkui Zhao , Bin Ma , Daren Chen , Xiangang Li

Acoustic echo cancellation (AEC) remains challenging in real-world environments due to nonlinear distortions caused by low-cost loudspeakers and complex room acoustics. To mitigate these issues, we introduce a dual-microphone configuration,…

Sound · Computer Science 2025-11-06 Fei Zhao , Zhong-Qiu Wang

Acoustic echo cancellation (AEC), noise suppression (NS) and dereverberation (DR) are an integral part of modern full-duplex communication systems. As the demand for teleconferencing systems increases, addressing these tasks is required for…

We propose a nonlinear acoustic echo cancellation system, which aims to model the echo path from the far-end signal to the near-end microphone in two parts. Inspired by the physical behavior of modern hands-free devices, we first introduce…

Sound · Computer Science 2021-06-28 Amir Ivry , Israel Cohen , Baruch Berdugo

Acoustic Echo Cancellation (AEC) plays a key role in voice interaction. Due to the explicit mathematical principle and intelligent nature to accommodate conditions, adaptive filters with different types of implementations are always used…

Sound · Computer Science 2020-05-20 Lu Ma , Hua Huang , Pei Zhao , Tengrong Su

Acoustic echo cancellation (AEC) algorithms have a long-term steady role in signal processing, with approaches improving the performance of applications such as automotive hands-free systems, smart home and loudspeaker devices, or web…

Audio and Speech Processing · Electrical Eng. & Systems 2021-03-17 Jan Franzen , Ernst Seidel , Tim Fingscheidt

In full-duplex speech interaction systems, effective Acoustic Echo Cancellation (AEC) is crucial for recovering echo-contaminated speech. This paper presents a neural network-based AEC solution to address challenges in mobile scenarios with…

Sound · Computer Science 2025-08-12 Yiheng Jiang , Tian Biao

Multi-channel audio alignment is a key requirement in bioacoustic monitoring, spatial audio systems, and acoustic localization. However, existing methods often struggle to address nonlinear clock drift and lack mechanisms for quantifying…

Sound · Computer Science 2025-09-23 Ragib Amin Nihal , Benjamin Yen , Takeshi Ashizawa , Kazuhiro Nakadai

Recent work has shown that it is possible to train a single model to perform joint acoustic echo cancellation (AEC), speech enhancement, and voice separation, thereby serving as a unified frontend for robust automatic speech recognition…

Audio and Speech Processing · Electrical Eng. & Systems 2022-09-15 Tom O'Malley , Arun Narayanan , Quan Wang

Acoustic echo cancellation (AEC) aims to remove interference signals while leaving near-end speech least distorted. As the indistinguishable patterns between near-end speech and interference signals, near-end speech can't be separated…

Audio and Speech Processing · Electrical Eng. & Systems 2023-07-27 Chang Han , Xinmeng Xu , Weiping Tu , Yuhong Yang , Yajie Liu
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