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We introduce a real-time, multichannel speech enhancement algorithm which maintains the spatial cues of stereo recordings including two speech sources. Recognizing that each source has unique spatial information, our method utilizes a…

Audio and Speech Processing · Electrical Eng. & Systems 2024-02-02 Masahito Togami , Jean-Marc Valin , Karim Helwani , Ritwik Giri , Umut Isik , Michael M. Goodwin

Many speaker localization methods can be found in the literature. However, speaker localization under strong reverberation still remains a major challenge in the real-world applications. This paper proposes two algorithms for localizing…

Audio and Speech Processing · Electrical Eng. & Systems 2026-04-03 Shoufeng Lin

In this paper, we propose a multi-label classification framework to detect multiple speaking styles in a speech sample. Unlike previous studies that have primarily focused on identifying a single target style, our framework effectively…

Audio and Speech Processing · Electrical Eng. & Systems 2025-09-19 Miseul Kim , Seyun Um , Hyeonjin Cha , Hong-goo Kang

Current multichannel speech enhancement algorithms typically assume a stationary sound source, a common mismatch with reality that limits their performance in real-world scenarios. This paper focuses on attention-driven spatial filtering…

Audio and Speech Processing · Electrical Eng. & Systems 2023-12-19 Yuzhu Wang , Archontis Politis , Tuomas Virtanen

With the development of teleconferencing and in-vehicle voice assistants, far-field multi-speaker speech recognition has become a hot research topic. Recently, a multi-channel transformer (MCT) has been proposed, which demonstrates the…

Sound · Computer Science 2026-01-07 Guo Yifan , Tian Yao , Suo Hongbin , Wan Yulong

Self-attention has been a huge success for many downstream tasks in NLP, which led to exploration of applying self-attention to speech problems as well. The efficacy of self-attention in speech applications, however, seems not fully blown…

Computation and Language · Computer Science 2019-10-03 Kyu J. Han , Ramon Prieto , Kaixing Wu , Tao Ma

Recently, cycle-consistent adversarial network (Cycle-GAN) has been successfully applied to voice conversion to a different speaker without parallel data, although in those approaches an individual model is needed for each target speaker.…

Audio and Speech Processing · Electrical Eng. & Systems 2018-06-26 Ju-chieh Chou , Cheng-chieh Yeh , Hung-yi Lee , Lin-shan Lee

This paper proposes a novel technique to obtain better downstream ASR performance from a joint encoder-decoder self-supervised model when trained with speech pooled from two different channels (narrow and wide band). The joint…

Audio and Speech Processing · Electrical Eng. & Systems 2023-06-06 Vrunda N. Sukhadia , A. Arunkumar , S. Umesh

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

To extract the voice of a target speaker when mixed with a variety of other sounds, such as white and ambient noises or the voices of interfering speakers, we extend the Transformer network to attend the most relevant information with…

Supervised learning methods have shown effectiveness in estimating spatial acoustic parameters such as time difference of arrival, direct-to-reverberant ratio and reverberation time. However, they still suffer from the simulation-to-reality…

Sound · Computer Science 2024-09-10 Bing Yang , Xiaofei Li

End-to-end speech translation relies on data that pair source-language speech inputs with corresponding translations into a target language. Such data are notoriously scarce, making synthetic data augmentation by back-translation or…

Computation and Language · Computer Science 2023-06-12 Tsz Kin Lam , Shigehiko Schamoni , Stefan Riezler

Adaptive algorithm based on multi-channel linear prediction is an effective dereverberation method balancing well between the attenuation of the long-term reverberation and the dereverberated speech quality. However, the abrupt change of…

Audio and Speech Processing · Electrical Eng. & Systems 2018-08-24 Teng Xiang , Jing Lu , Kai Chen

Target speech extraction (TSE) systems are designed to extract target speech from a multi-talker mixture. The popular training objective for most prior TSE networks is to enhance reconstruction performance of extracted speech waveform.…

Audio and Speech Processing · Electrical Eng. & Systems 2023-03-10 Kai Liu , Ziqing Du , Xucheng Wan , Huan Zhou

Target speaker extraction aims to extract the speech of a specific speaker from a multi-talker mixture as specified by an auxiliary reference. Most studies focus on the scenario where the target speech is highly overlapped with the…

Sound · Computer Science 2023-09-18 Junjie Li , Ruijie Tao , Zexu Pan , Meng Ge , Shuai Wang , Haizhou Li

Traditional speech separation and speaker diarization approaches rely on prior knowledge of target speakers or a predetermined number of participants in audio signals. To address these limitations, recent advances focus on developing…

We consider the task of region-based source separation of reverberant multi-microphone recordings. We assume pre-defined spatial regions with a single active source per region. The objective is to estimate the signals from the individual…

Audio and Speech Processing · Electrical Eng. & Systems 2023-03-14 Julian Wechsler , Srikanth Raj Chetupalli , Wolfgang Mack , Emanuël A. P. Habets

This paper proposes an interesting voice and accent joint conversion approach, which can convert an arbitrary source speaker's voice to a target speaker with non-native accent. This problem is challenging as each target speaker only has…

Sound · Computer Science 2020-11-18 Zhichao Wang , Wenshuo Ge , Xiong Wang , Shan Yang , Wendong Gan , Haitao Chen , Hai Li , Lei Xie , Xiulin Li

This paper proposes a neural network based speech separation method using spatially distributed microphones. Unlike with traditional microphone array settings, neither the number of microphones nor their spatial arrangement is known in…

Audio and Speech Processing · Electrical Eng. & Systems 2020-05-01 Dongmei Wang , Zhuo Chen , Takuya Yoshioka

Speech separation in realistic acoustic environments remains challenging because overlapping speakers, background noise, and reverberation must be resolved simultaneously. Although recent time-frequency (TF) domain models have shown strong…

Audio and Speech Processing · Electrical Eng. & Systems 2026-05-15 Ui-Hyeop Shin , Hyung-Min Park