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Transformer has shown advanced performance in speech separation, benefiting from its ability to capture global features. However, capturing local features and channel information of audio sequences in speech separation is equally important.…

Sound · Computer Science 2023-03-08 Zhaoxi Mu , Xinyu Yang , Wenjing Zhu

Multi-channel speech separation in dynamic environments is challenging as time-varying spatial and spectral features evolve at different temporal scales. Existing methods typically employ sequential architectures, forcing a single network…

Audio and Speech Processing · Electrical Eng. & Systems 2026-02-27 Yuzhu Wang , Archontis Politis , Konstantinos Drossos , Tuomas Virtanen

In this work, we introduce S4M, a new efficient speech separation framework based on neural state-space models (SSM). Motivated by linear time-invariant systems for sequence modeling, our SSM-based approach can efficiently model input…

Sound · Computer Science 2023-05-29 Chen Chen , Chao-Han Huck Yang , Kai Li , Yuchen Hu , Pin-Jui Ku , Eng Siong Chng

Modules in all existing speech separation networks can be categorized into single-input-multi-output (SIMO) modules and single-input-single-output (SISO) modules. SIMO modules generate more outputs than input, and SISO modules keep the…

Audio and Speech Processing · Electrical Eng. & Systems 2020-11-18 Yi Luo , Zhuo Chen , Cong Han , Chenda Li , Tianyan Zhou , Nima Mesgarani

Transformer based models have provided significant performance improvements in monaural speech separation. However, there is still a performance gap compared to a recent proposed upper bound. The major limitation of the current dual-path…

Sound · Computer Science 2023-02-24 Shengkui Zhao , Bin Ma

In speech separation, time-domain approaches have successfully replaced the time-frequency domain with latent sequence feature from a learnable encoder. Conventionally, the feature is separated into speaker-specific ones at the final stage…

Audio and Speech Processing · Electrical Eng. & Systems 2026-04-01 Ui-Hyeop Shin , Sangyoun Lee , Taehan Kim , Hyung-Min Park

Existing CNN-based speech separation models face local receptive field limitations and cannot effectively capture long time dependencies. Although LSTM and Transformer-based speech separation models can avoid this problem, their high…

Sound · Computer Science 2024-09-11 Kai Li , Guo Chen , Runxuan Yang , Xiaolin Hu

Speech separation (SS) has advanced significantly with neural network-based methods, showing improved performance on signal-level metrics. However, these methods often struggle to maintain speech intelligibility in the separated signals,…

Sound · Computer Science 2026-01-28 Tianhua Li , Chenda Li , Wei Wang , Xin Zhou , Xihui Chen , Jianqing Gao , Yanmin Qian

The local and global features are both essential for automatic speech recognition (ASR). Many recent methods have verified that simply combining local and global features can further promote ASR performance. However, these methods pay less…

Computation and Language · Computer Science 2023-05-30 Zhi-Hao Lai , Tian-Hao Zhang , Qi Liu , Xinyuan Qian , Li-Fang Wei , Song-Lu Chen , Feng Chen , Xu-Cheng Yin

Recent studies in neural network-based monaural speech separation (SS) have achieved a remarkable success thanks to increasing ability of long sequence modeling. However, they would degrade significantly when put under realistic noisy…

Audio and Speech Processing · Electrical Eng. & Systems 2023-02-23 Yuchen Hu , Chen Chen , Heqing Zou , Xionghu Zhong , Eng Siong Chng

The goal of speech separation is to extract multiple speech sources from a single microphone recording. Recently, with the advancement of deep learning and availability of large datasets, speech separation has been formulated as a…

Audio and Speech Processing · Electrical Eng. & Systems 2021-11-17 Midia Yousefi , John H. L. Hansen

The goal of a speech-to-image transform is to produce a photo-realistic picture directly from a speech signal. Recently, various studies have focused on this task and have achieved promising performance. However, current speech-to-image…

Computer Vision and Pattern Recognition · Computer Science 2023-05-18 Zhenxing Zhang , Lambert Schomaker

Time-domain Transformer neural networks have proven their superiority in speech separation tasks. However, these models usually have a large number of network parameters, thus often encountering the problem of GPU memory explosion. In this…

Sound · Computer Science 2022-07-01 Jian Luo , Jianzong Wang , Ning Cheng , Edward Xiao , Xulong Zhang , Jing Xiao

General speech restoration demands techniques that can interpret complex speech structures under various distortions. While State-Space Models like SEMamba have advanced the state-of-the-art in speech denoising, they are not inherently…

Audio and Speech Processing · Electrical Eng. & Systems 2026-03-13 Yongjoon Lee , Jung-Woo Choi

Transformers have been the most successful architecture for various speech modeling tasks, including speech separation. However, the self-attention mechanism in transformers with quadratic complexity is inefficient in computation and…

Audio and Speech Processing · Electrical Eng. & Systems 2024-05-02 Xilin Jiang , Cong Han , Nima Mesgarani

Speech enhancement is challenging because of the diversity of background noise types. Most of the existing methods are focused on modelling the speech rather than the noise. In this paper, we propose a novel idea to model speech and noise…

Audio and Speech Processing · Electrical Eng. & Systems 2021-04-15 Chengyu Zheng , Xiulian Peng , Yuan Zhang , Sriram Srinivasan , Yan Lu

The demand for deploying large language models(LLMs) on mobile devices continues to increase, driven by escalating data security concerns and cloud costs. However, network bandwidth and memory limitations pose challenges for deploying…

Machine Learning · Computer Science 2024-07-02 Songwei Liu , Chao Zeng , Lianqiang Li , Chenqian Yan , Lean Fu , Xing Mei , Fangmin Chen

Speech separation refers to extracting each individual speech source in a given mixed signal. Recent advancements in speech separation and ongoing research in this area, have made these approaches as promising techniques for pre-processing…

Machine Learning · Computer Science 2019-12-18 Fahimeh Bahmaninezhad , Shi-Xiong Zhang , Yong Xu , Meng Yu , John H. L. Hansen , Dong Yu

The continuous speech separation (CSS) is a task to separate the speech sources from a long, partially overlapped recording, which involves a varying number of speakers. A straightforward extension of conventional utterance-level speech…

Audio and Speech Processing · Electrical Eng. & Systems 2021-02-24 Chenda Li , Zhuo Chen , Yi Luo , Cong Han , Tianyan Zhou , Keisuke Kinoshita , Marc Delcroix , Shinji Watanabe , Yanmin Qian

While deep learning has advanced speech enhancement (SE), effective phase modeling remains challenging, as conventional networks typically operate within a flat Euclidean feature space, which is not easy to model the underlying circular…

Sound · Computer Science 2026-05-18 Chengzhong Wang , Andong Li , Dingding Yao , Junfeng Li
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