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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

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 field of speech separation, addressing the "cocktail party problem", has seen revolutionary advances with DNNs. Speech separation enhances clarity in complex acoustic environments and serves as crucial pre-processing for speech…

Sound · Computer Science 2025-08-15 Kai Li , Guo Chen , Wendi Sang , Yi Luo , Zhuo Chen , Shuai Wang , Shulin He , Zhong-Qiu Wang , Andong Li , Zhiyong Wu , Xiaolin Hu

The current monaural state of the art tools for speech separation relies on supervised learning. This means that they must deal with permutation problem, they are impacted by the mismatch on the number of speakers used in training and…

Sound · Computer Science 2024-10-10 Peter Ochieng

We examine the text-free speech representations of raw audio obtained from a self-supervised learning (SSL) model by analyzing the synthesized speech using the SSL representations instead of conventional text representations. Since raw…

Computation and Language · Computer Science 2024-12-05 Joonyong Park , Daisuke Saito , Nobuaki Minematsu

Accurate recognition of cocktail party speech containing overlapping speakers, noise and reverberation remains a highly challenging task to date. Motivated by the invariance of visual modality to acoustic signal corruption, an audio-visual…

Audio and Speech Processing · Electrical Eng. & Systems 2023-07-07 Guinan Li , Jiajun Deng , Mengzhe Geng , Zengrui Jin , Tianzi Wang , Shujie Hu , Mingyu Cui , Helen Meng , Xunying Liu

This paper addresses the challenge of speaker separation, which remains an active research topic despite the promising results achieved in recent years. These results, however, often degrade in real recording conditions due to the presence…

Sound · Computer Science 2024-11-14 Rawad Melhem , Assef Jafar , Oumayma Al Dakkak

Deep neural network with dual-path bi-directional long short-term memory (BiLSTM) block has been proved to be very effective in sequence modeling, especially in speech separation. This work investigates how to extend dual-path BiLSTM to…

Audio and Speech Processing · Electrical Eng. & Systems 2020-08-10 Ziqiang Shi , Rujie Liu , Jiqing Han

Speech data collected in real-world scenarios often encounters two issues. First, multiple sources may exist simultaneously, and the number of sources may vary with time. Second, the existence of background noise in recording is inevitable.…

Sound · Computer Science 2020-05-21 Yuan-Kuei Wu , Chao-I Tuan , Hung-yi Lee , Yu Tsao

Cocktail party problem is the scenario where it is difficult to separate or distinguish individual speaker from a mixed speech from several speakers. There have been several researches going on in this field but the size and complexity of…

Sound · Computer Science 2026-02-19 S. Rijal , R. Neupane , S. P. Mainali , S. K. Regmi , S. Maharjan

Speech enhancement and speech separation are two related tasks, whose purpose is to extract either one or more target speech signals, respectively, from a mixture of sounds generated by several sources. Traditionally, these tasks have been…

Audio and Speech Processing · Electrical Eng. & Systems 2021-03-16 Daniel Michelsanti , Zheng-Hua Tan , Shi-Xiong Zhang , Yong Xu , Meng Yu , Dong Yu , Jesper Jensen

This paper introduces a new method for multi-channel time domain speech separation in reverberant environments. A fully-convolutional neural network structure has been used to directly separate speech from multiple microphone recordings,…

Audio and Speech Processing · Electrical Eng. & Systems 2020-11-12 Jisi Zhang , Catalin Zorila , Rama Doddipatla , Jon Barker

This paper introduces a practical approach for leveraging a real-time deep learning model to alternate between speech enhancement and joint speech enhancement and separation depending on whether the input mixture contains one or two active…

Audio and Speech Processing · Electrical Eng. & Systems 2023-10-17 Kashyap Patel , Anton Kovalyov , Issa Panahi

In this paper, we present a novel method for phoneme-level prosody control of F0 and duration using intuitive discrete labels. We propose an unsupervised prosodic clustering process which is used to discretize phoneme-level F0 and duration…

This paper proposes a novel Sequence-to-Sequence (Seq2Seq) model integrating the structure of Hidden Semi-Markov Models (HSMMs) into its attention mechanism. In speech synthesis, it has been shown that methods based on Seq2Seq models using…

Audio and Speech Processing · Electrical Eng. & Systems 2021-09-01 Yoshihiko Nankaku , Kenta Sumiya , Takenori Yoshimura , Shinji Takaki , Kei Hashimoto , Keiichiro Oura , Keiichi Tokuda

Speech separation seeks to isolate individual speech signals from a multi-talk speech mixture. Despite much progress, a system well-trained on synthetic data often experiences performance degradation on out-of-domain data, such as…

Sound · Computer Science 2025-03-18 Wupeng Wang , Zexu Pan , Jingru Lin , Shuai Wang , Haizhou Li

Separation of competing speech is a key challenge in signal processing and a feat routinely performed by the human auditory brain. A long standing benchmark of the spectrogram approach to source separation is known as the ideal binary mask.…

Sound · Computer Science 2015-03-25 Andrew J. R. Simpson

Despite the recent success of deep learning for many speech processing tasks, single-microphone, speaker-independent speech separation remains challenging for two main reasons. The first reason is the arbitrary order of the target and…

Sound · Computer Science 2018-04-19 Yi Luo , Zhuo Chen , Nima Mesgarani

Generative models have attracted considerable attention for speech separation tasks, and among these, diffusion-based methods are being explored. Despite the notable success of diffusion techniques in generation tasks, their adaptation to…

Audio and Speech Processing · Electrical Eng. & Systems 2025-01-28 Jinwei Dong , Xinsheng Wang , Qirong Mao

Speech separation has been extensively explored to tackle the cocktail party problem. However, these studies are still far from having enough generalization capabilities for real scenarios. In this work, we raise a common strategy named…

Audio and Speech Processing · Electrical Eng. & Systems 2020-06-26 Jing Shi , Jiaming Xu , Yusuke Fujita , Shinji Watanabe , Bo Xu