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We propose a general framework for quantum error mitigation that combines and generalizes two techniques: probabilistic error cancellation (PEC) and zero-noise extrapolation (ZNE). Similarly to PEC, the proposed method represents ideal…

Quantum Physics · Physics 2021-11-15 Andrea Mari , Nathan Shammah , William J. Zeng

Acoustic beamforming models typically assume wide-sense stationarity of speech signals within short time frames. However, voiced speech is better modeled as a cyclostationary (CS) process, a random process whose mean and autocorrelation are…

Audio and Speech Processing · Electrical Eng. & Systems 2025-12-16 Giovanni Bologni , Richard Heusdens , Richard C. Hendriks

The joint training of speech enhancement and speaker embedding networks for speaker recognition is widely adopted under noisy acoustic environments. While effective, this paradigm often fails to leverage the generalization and robustness…

Audio and Speech Processing · Electrical Eng. & Systems 2026-04-29 Chong-Xin Gan , Peter Bell , Man-Wai Mak , Zhe Li , Zezhong Jin , Zilong Huang , Kong Aik Lee

Recent years have seen growing efforts to develop spoofing countermeasures (CMs) to protect automatic speaker verification (ASV) systems from being deceived by manipulated or artificial inputs. The reliability of spoofing CMs is typically…

The use of spatial information with multiple microphones can improve far-field automatic speech recognition (ASR) accuracy. However, conventional microphone array techniques degrade speech enhancement performance when there is an array…

Audio and Speech Processing · Electrical Eng. & Systems 2021-12-23 Kenichi Kumatani , Minhua Wu , Shiva Sundaram , Nikko Strom , Bjorn Hoffmeister

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), noise suppression (NS) and automatic gain control (AGC) are three often required modules for real-time communications (RTC). This paper proposes a neural network supported algorithm for RTC, namely NN3A,…

Sound · Computer Science 2021-10-19 Ziteng Wang , Yueyue Na , Biao Tian , Qiang Fu

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

In recent years, the introduction of neural networks (NNs) into the field of speech enhancement has brought significant improvements. However, many of the proposed methods are quite demanding in terms of computational complexity and memory…

Audio and Speech Processing · Electrical Eng. & Systems 2024-04-19 Ernst Seidel , Pejman Mowlaee , Tim Fingscheidt

In this paper, Whisper, a large-scale pre-trained model for automatic speech recognition, is proposed to apply to speaker verification. A partial multi-scale feature aggregation (PMFA) approach is proposed based on a subset of Whisper…

Sound · Computer Science 2024-08-29 Yiyang Zhao , Shuai Wang , Guangzhi Sun , Zehua Chen , Chao Zhang , Mingxing Xu , Thomas Fang Zheng

Multichannel active noise control (ANC) systems are designed to create a large zone of quietness (ZoQ) around the error microphones, however, the placement of these microphones often presents challenges due to physical limitations. Virtual…

Signal Processing · Electrical Eng. & Systems 2024-05-24 Boxiang Wang , Junwei Ji , Xiaoyi Shen , Dongyuan Shi , Woon-Seng Gan

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 prevalent approach in speech emotion recognition (SER) involves integrating both audio and textual information to comprehensively identify the speaker's emotion, with the text generally obtained through automatic speech recognition…

Computation and Language · Computer Science 2024-05-29 Jiajun He , Xiaohan Shi , Xingfeng Li , Tomoki Toda

In recent years, the joint training of speech enhancement front-end and automatic speech recognition (ASR) back-end has been widely used to improve the robustness of ASR systems. Traditional joint training methods only use enhanced speech…

Sound · Computer Science 2023-05-31 Haoyu Lu , Nan Li , Tongtong Song , Longbiao Wang , Jianwu Dang , Xiaobao Wang , Shiliang Zhang

In this article, we derive a new stepsize adaptation for the normalized least mean square algorithm (NLMS) by describing the task of linear acoustic echo cancellation from a Bayesian network perspective. Similar to the well-known Kalman…

Machine Learning · Statistics 2023-07-19 Christian Huemmer , Roland Maas , Walter Kellermann

Active Noise Control (ANC) is a widely adopted technology for reducing environmental noise across various scenarios. This paper focuses on enhancing noise reduction performance, particularly through the refinement of signal quality fed into…

Audio and Speech Processing · Electrical Eng. & Systems 2024-05-22 Xiaoyi Shen , Dongyuan Shi , Zhengding Luo , Junwei Ji , Woon-Seng Gan

Speech enhancement algorithms based on deep learning have greatly surpassed their traditional counterparts and are now being considered for the task of removing acoustic echo from hands-free communication systems. This is a challenging…

Audio and Speech Processing · Electrical Eng. & Systems 2021-02-11 Jean-Marc Valin , Srikanth Tenneti , Karim Helwani , Umut Isik , Arvindh Krishnaswamy

The ASVspoof challenge series was born to spearhead research in anti-spoofing for automatic speaker verification (ASV). The two challenge editions in 2015 and 2017 involved the assessment of spoofing countermeasures (CMs) in isolation from…

Audio and Speech Processing · Electrical Eng. & Systems 2019-04-12 Tomi Kinnunen , Kong Aik Lee , Hector Delgado , Nicholas Evans , Massimiliano Todisco , Md Sahidullah , Junichi Yamagishi , Douglas A. Reynolds

The ICASSP 2021 Acoustic Echo Cancellation Challenge is intended to stimulate research in the area of acoustic echo cancellation (AEC), which is an important part of speech enhancement and still a top issue in audio communication and…

Audio and Speech Processing · Electrical Eng. & Systems 2020-11-03 Kusha Sridhar , Ross Cutler , Ando Saabas , Tanel Parnamaa , Markus Loide , Hannes Gamper , Sebastian Braun , Robert Aichner , Sriram Srinivasan

The rapid development of 5G New Radio (NR) and millimeter-wave (mmWave) communication systems highlights the critical importance of maintaining accurate phase synchronization to ensure reliable and efficient communication. This study…

Signal Processing · Electrical Eng. & Systems 2024-12-10 Desire Guel , Flavien Herve Somda , Boureima Zerbo , Oumarou Sie