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Related papers: AlphaFlowTSE: One-Step Generative Target Speaker E…

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Generative models are capable to address difficult problems with non-unique solutions like bandwidth extension and gap filling, removing highly non-linear artifacts from codecs, clipping and distortion, as opposed to removing linear…

Audio and Speech Processing · Electrical Eng. & Systems 2026-05-18 Sebastian Braun

Flow-matching models have enabled high-quality text-to-speech synthesis, but their iterative sampling process during inference incurs substantial computational cost. Although distillation is widely used to reduce the number of inference…

Sound · Computer Science 2026-02-11 Bin Lin , Peng Yang , Chao Yan , Xiaochen Liu , Wei Wang , Boyong Wu , Pengfei Tan , Xuerui Yang

Target Language Extraction aims to extract speech in a specific language from a mixture waveform that contains multiple speakers speaking different languages. The human auditory system is adept at performing this task with the knowledge of…

Audio and Speech Processing · Electrical Eng. & Systems 2025-11-04 Mehmet Sinan Yıldırım , Ruijie Tao , Wupeng Wang , Junyi Ao , Haizhou Li

A key challenge in synthesizing audios from silent videos is the inherent trade-off between synthesis quality and inference efficiency in existing methods. For instance, flow matching based models rely on modeling instantaneous velocity,…

Sound · Computer Science 2025-09-09 Xiaoran Yang , Jianxuan Yang , Xinyue Guo , Haoyu Wang , Ningning Pan , Gongping Huang

Informed speaker extraction aims to extract a target speech signal from a mixture of sources given prior knowledge about the desired speaker. Recent deep learning-based methods leverage a speaker discriminative model that maps a reference…

Audio and Speech Processing · Electrical Eng. & Systems 2022-02-17 Mohamed Elminshawi , Wolfgang Mack , Emanuël A. P. Habets

Autoregressive (AR) models with diffusion heads have recently achieved strong text-to-audio performance, yet their iterative decoding and multi-step sampling process introduce high-latency issues. To address this bottleneck, we propose a…

The brain-assisted target speaker extraction (TSE) aims to extract the attended speech from mixed speech by utilizing the brain neural activities, for example Electroencephalography (EEG). However, existing models overlook the issue of…

Audio and Speech Processing · Electrical Eng. & Systems 2025-06-03 Cunhang Fan , Ying Chen , Jian Zhou , Zexu Pan , Jingjing Zhang , Youdian Gao , Xiaoke Yang , Zhengqi Wen , Zhao Lv

For deep learning-based speech enhancement (SE) systems, the training-test acoustic mismatch can cause notable performance degradation. To address the mismatch issue, numerous noise adaptation strategies have been derived. In this paper, we…

Audio and Speech Processing · Electrical Eng. & Systems 2022-06-22 Chi-Chang Lee , Cheng-Hung Hu , Yu-Chen Lin , Chu-Song Chen , Hsin-Min Wang , Yu Tsao

A speaker extraction algorithm seeks to extract the target speaker's speech from a multi-talker speech mixture. The prior studies focus mostly on speaker extraction from a highly overlapped multi-talker speech mixture. However, the…

Audio and Speech Processing · Electrical Eng. & Systems 2022-09-01 Zexu Pan , Meng Ge , Haizhou Li

We introduce RapFlow-TTS, a rapid and high-fidelity TTS acoustic model that leverages velocity consistency constraints in flow matching (FM) training. Although ordinary differential equation (ODE)-based TTS generation achieves…

Audio and Speech Processing · Electrical Eng. & Systems 2025-06-23 Hyun Joon Park , Jeongmin Liu , Jin Sob Kim , Jeong Yeol Yang , Sung Won Han , Eunwoo Song

Generative models have shown robust performance on speech enhancement and restoration tasks, but most prior approaches operate offline with high latency, making them unsuitable for streaming applications. In this work, we investigate the…

Audio and Speech Processing · Electrical Eng. & Systems 2025-10-21 Tsun-An Hsieh , Sebastian Braun

Flow matching has emerged as a powerful generative framework, with recent few-step methods achieving remarkable inference acceleration. However, we identify a critical yet overlooked limitation: these models suffer from severe diversity…

Machine Learning · Computer Science 2026-04-15 Yexiong Lin , Jia Shi , Shanshan Ye , Wanyu Wang , Yu Yao , Tongliang Liu

Diffusion probabilistic models have shown impressive performance for speech enhancement, but they typically require 25 to 60 function evaluations in the inference phase, resulting in heavy computational complexity. Recently, a fine-tuning…

Audio and Speech Processing · Electrical Eng. & Systems 2025-08-12 Seonggyu Lee , Sein Cheong , Sangwook Han , Jong Won Shin

This paper proposes a generative pretraining foundation model for high-quality speech restoration tasks. By directly operating on complex-valued short-time Fourier transform coefficients, our model does not rely on any vocoders for…

Audio and Speech Processing · Electrical Eng. & Systems 2024-09-26 Pin-Jui Ku , Alexander H. Liu , Roman Korostik , Sung-Feng Huang , Szu-Wei Fu , Ante Jukić

It was shown that pre-trained models with self-supervised learning (SSL) techniques are effective in various downstream speech tasks. However, most such models are trained on single-speaker speech data, limiting their effectiveness in…

Audio and Speech Processing · Electrical Eng. & Systems 2024-07-04 Jingru Lin , Meng Ge , Junyi Ao , Liqun Deng , Haizhou Li

We introduce a one-step generative policy for offline reinforcement learning that maps noise directly to actions via a residual reformulation of MeanFlow, making it compatible with Q-learning. While one-step Gaussian policies enable fast…

Machine Learning · Computer Science 2025-11-18 Zeyuan Wang , Da Li , Yulin Chen , Ye Shi , Liang Bai , Tianyuan Yu , Yanwei Fu

A speaker extraction algorithm seeks to extract the speech of a target speaker from a multi-talker speech mixture when given a cue that represents the target speaker, such as a pre-enrolled speech utterance, or an accompanying video track.…

Audio and Speech Processing · Electrical Eng. & Systems 2022-01-25 Zexu Pan , Ruijie Tao , Chenglin Xu , Haizhou Li

Speaker-aware source separation methods are promising workarounds for major difficulties such as arbitrary source permutation and unknown number of sources. However, it remains challenging to achieve satisfying performance provided a very…

Sound · Computer Science 2018-07-25 Jun Wang , Jie Chen , Dan Su , Lianwu Chen , Meng Yu , Yanmin Qian , Dong Yu

Simultaneous Speech Translation (SimulST) enables real-time cross-lingual communication by jointly optimizing speech recognition and machine translation under strict latency constraints. Existing systems struggle to balance translation…

Computation and Language · Computer Science 2025-10-30 Chenyang Le , Bing Han , Jinshun Li , Songyong Chen , Yanmin Qian

Speaker extraction algorithm relies on the speech sample from the target speaker as the reference point to focus its attention. Such a reference speech is typically pre-recorded. On the other hand, the temporal synchronization between…

Audio and Speech Processing · Electrical Eng. & Systems 2021-02-11 Zexu Pan , Ruijie Tao , Chenglin Xu , Haizhou Li