English
Related papers

Related papers: Sample Rate Offset Compensated Acoustic Echo Cance…

200 papers

This paper presents an acoustic echo canceler based on a U-Net convolutional neural network for single-talk and double-talk scenarios. U-Net networks have previously been used in the audio processing area for source separation problems…

Audio and Speech Processing · Electrical Eng. & Systems 2021-09-21 J. Silva-Rodríguez , M. F. Dolz , M. Ferrer , A. Castelló , V. Naranjo , G. Piñero

The mismatch between the numerical and actual nonlinear models is a challenge to nonlinear acoustic echo cancellation (NAEC) when the nonlinear adaptive filter is utilized. To alleviate this problem, we combine a basis-generic expansion of…

Signal Processing · Electrical Eng. & Systems 2021-04-07 Guoliang Cheng , Lele Liao , Hongsheng Chen , Jing Lu

The traditional adaptive algorithms will face the non-uniqueness problem when dealing with stereophonic acoustic echo cancellation (SAEC). In this paper, we first propose an efficient multi-input and multi-output (MIMO) scheme based on deep…

Sound · Computer Science 2022-08-16 Chenggang Zhang , Jinjiang Liu , Xueliang Zhang

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

This paper presents a joint source separation algorithm that simultaneously reduces acoustic echo, reverberation and interfering sources. Target speeches are separated from the mixture by maximizing independence with respect to the other…

Sound · Computer Science 2021-04-12 Yueyue Na , Ziteng Wang , Zhang Liu , Biao Tian , Qiang Fu

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

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

We present a frontend for improving robustness of automatic speech recognition (ASR), that jointly implements three modules within a single model: acoustic echo cancellation, speech enhancement, and speech separation. This is achieved by…

Audio and Speech Processing · Electrical Eng. & Systems 2021-11-22 Tom O'Malley , Arun Narayanan , Quan Wang , Alex Park , James Walker , Nathan Howard

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

Distributed hardware of acoustic sensor networks bears inconsistency of local sampling frequencies, which is detrimental to signal processing. Fundamentally, sampling rate offset (SRO) nonlinearly relates the discrete-time signals acquired…

Audio and Speech Processing · Electrical Eng. & Systems 2021-05-31 Aleksej Chinaev , Sven Wienand , Gerald Enzner

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

With recent research advances, deep learning models have become an attractive choice for acoustic echo cancellation (AEC) in real-time teleconferencing applications. Since acoustic echo is one of the major sources of poor audio quality, a…

In this paper, we propose Textual Echo Cancellation (TEC) - a framework for cancelling the text-to-speech (TTS) playback echo from overlapping speech recordings. Such a system can largely improve speech recognition performance and user…

Audio and Speech Processing · Electrical Eng. & Systems 2021-09-20 Shaojin Ding , Ye Jia , Ke Hu , Quan Wang

In hands-free communication system, the coupling between loudspeaker and microphone generates echo signal, which can severely influence the quality of communication. Meanwhile, various types of noise in communication environments further…

Audio and Speech Processing · Electrical Eng. & Systems 2022-05-09 Linjuan Cheng , Chengshi Zheng , Andong Li , Yuquan Wu , Renhua Peng , Xiaodong Li

A wireless acoustic sensor network records audio signals with sampling time and sampling rate offsets between the audio streams, if the analog-digital converters (ADCs) of the network devices are not synchronized. Here, we introduce a new…

Audio and Speech Processing · Electrical Eng. & Systems 2021-10-26 Tobias Gburrek , Joerg Schmalenstroeer , Reinhold Haeb-Umbach

A new method for designing non-uniform filter-banks for acoustic echo cancellation is proposed. In the method, the analysis prototype filter design is framed as a convex optimization problem that maximizes the signal-to-alias ratio (SAR) in…

Sound · Computer Science 2014-02-19 R. C. Nongpiur , D. J. Shpak

Acoustic echo cancellation with stereo signals is generally an under-determined problem because of the high coherence between the left and right channels. In this paper, we present a novel method of significantly reducing inter-channel…

Sound · Computer Science 2016-03-01 Jean-Marc Valin

Acoustic echo degrades the user experience in voice communication systems thus needs to be suppressed completely. We propose a real-time residual acoustic echo suppression (RAES) method using an efficient convolutional neural network. The…

Sound · Computer Science 2020-11-09 Xinquan Zhou , Yanhong Leng

In recent years, neural networks (NNs) have been widely applied in acoustic echo cancellation (AEC). However, existing approaches struggle to meet real-world low-latency and computational requirements while maintaining performance. To…

Audio and Speech Processing · Electrical Eng. & Systems 2025-08-11 Xingchen Li , Boyi Kang , Ziqian Wang , Zihan Zhang , Mingshuai Liu , Zhonghua Fu , Lei Xie

Acoustic echo cannot be entirely removed by linear adaptive filters due to the nonlinear relationship between the echo and far-end signal. Usually a post processing module is required to further suppress the echo. In this paper, we propose…

Audio and Speech Processing · Electrical Eng. & Systems 2020-05-18 Hongsheng Chen , Teng Xiang , Kai Chen , Jing Lu