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Speech super-resolution (SR) reconstructs high-fidelity wideband speech from low-resolution inputs-a task that necessitates reconciling global harmonic coherence with local transient sharpness. While diffusion-based generative models yield…

Sound · Computer Science 2026-01-01 Jiajun Yuan , Xiaochen Wang , Yuhang Xiao , Yulin Wu , Chenhao Hu , Xueyang Lv

Audio-visual speech separation methods aim to integrate different modalities to generate high-quality separated speech, thereby enhancing the performance of downstream tasks such as speech recognition. Most existing state-of-the-art (SOTA)…

Sound · Computer Science 2024-03-22 Samuel Pegg , Kai Li , Xiaolin Hu

The human auditory system has the ability to selectively focus on key speech elements in an audio stream while giving secondary attention to less relevant areas such as noise or distortion within the background, dynamically adjusting its…

Audio and Speech Processing · Electrical Eng. & Systems 2026-04-09 Nursadul Mamun , John H. L. Hansen

Speech super-resolution (SSR) aims to predict a high resolution (HR) speech signal from its low resolution (LR) corresponding part. Most neural SSR models focus on producing the final result in a noise-free environment by recovering the…

Audio and Speech Processing · Electrical Eng. & Systems 2023-10-11 Junkang Yang , Hongqing Liu , Lu Gan , Yi Zhou

Speech super-resolution (SSR) aims to recover a high resolution (HR) speech from its corresponding low resolution (LR) counterpart. Recent SSR methods focus more on the reconstruction of the magnitude spectrogram, ignoring the importance of…

Audio and Speech Processing · Electrical Eng. & Systems 2023-05-22 Chenhao Shuai , Chaohua Shi , Lu Gan , Hongqing Liu

Super-resolution (SR) aims to enhance the quality of low-resolution images and has been widely applied in medical imaging. We found that the design principles of most existing methods are influenced by SR tasks based on real-world images…

Image and Video Processing · Electrical Eng. & Systems 2025-11-14 Feiyang Jia , Zhineng Chen , Ziying Song , Lin Liu , Caiyan Jia

To date, mainstream target speech separation (TSS) approaches are formulated to estimate the complex ratio mask (cRM) of the target speech in time-frequency domain under supervised deep learning framework. However, the existing deep models…

Sound · Computer Science 2021-09-08 Rongzhi Gu , Shi-Xiong Zhang , Yuexian Zou , Dong Yu

Previously proposed FullSubNet has achieved outstanding performance in Deep Noise Suppression (DNS) Challenge and attracted much attention. However, it still encounters issues such as input-output mismatch and coarse processing for…

Sound · Computer Science 2022-03-29 Jun Chen , Zilin Wang , Deyi Tuo , Zhiyong Wu , Shiyin Kang , Helen Meng

In recent years, deep networks have led to dramatic improvements in speech enhancement by framing it as a data-driven pattern recognition problem. In many modern enhancement systems, large amounts of data are used to train a deep network to…

The decoupling-style concept begins to ignite in the speech enhancement area, which decouples the original complex spectrum estimation task into multiple easier sub-tasks i.e., magnitude-only recovery and the residual complex spectrum…

Sound · Computer Science 2022-08-02 Guochen Yu , Andong Li , Hui Wang , Yutian Wang , Yuxuan Ke , Chengshi Zheng

Most of the deep learning based speech enhancement (SE) methods rely on estimating the magnitude spectrum of the clean speech signal from the observed noisy speech signal, either by magnitude spectral masking or regression. These methods…

Audio and Speech Processing · Electrical Eng. & Systems 2020-10-28 Raktim Gautam Goswami , Sivaganesh Andhavarapu , K Sri Rama Murty

The Dual-Path Convolution Recurrent Network (DPCRN) was proposed to effectively exploit time-frequency domain information. By combining the DPRNN module with Convolution Recurrent Network (CRN), the DPCRN obtained a promising performance in…

Sound · Computer Science 2023-06-16 Liang Wan , Hongqing Liu , Yi Zhou , Jie Ji

Achieving superior enhancement performance while maintaining a low parameter count and computational complexity remains a challenge in the field of speech enhancement. In this paper, we introduce LORT, a novel architecture that integrates…

Audio and Speech Processing · Electrical Eng. & Systems 2025-09-30 Junyu Wang , Zizhen Lin , Tianrui Wang , Meng Ge , Longbiao Wang , Jianwu Dang

While LLM-based TTS models exhibit zero-shot emotion and speaker cloning, their cloning fidelity and pronunciation clarity degrade on unseen domains. Fine-tuning is essential for adaptation, yet uniform approaches overlook specific…

Audio and Speech Processing · Electrical Eng. & Systems 2026-03-09 Tianrui Wang , Meng Ge , Cheng Gong , Chunyu Qiang , Haoyu Wang , Zikang Huang , Yu Jiang , Ye Ni , Yuheng Lu , Xiaobao Wang , Engsiong Chng , Xie Chen , Longbiao Wang , Jianwu Dang

Transformer-based methods have demonstrated impressive performance in low-level visual tasks such as Image Super-Resolution (SR). However, its computational complexity grows quadratically with the spatial resolution. A series of works…

Computer Vision and Pattern Recognition · Computer Science 2025-03-11 Xin Liu , Jie Liu , Jie Tang , Gangshan Wu

We present a transformer-based speech-declipping model that effectively recovers clipped signals across a wide range of input signal-to-distortion ratios (SDRs). While recent time-domain deep neural network (DNN)-based declippers have…

Audio and Speech Processing · Electrical Eng. & Systems 2024-09-20 Younghoo Kwon , Jung-Woo Choi

Hyperspectral images are crucial for many research works. Spectral super-resolution (SSR) is a method used to obtain high spatial resolution (HR) hyperspectral images from HR multispectral images. Traditional SSR methods include…

Image and Video Processing · Electrical Eng. & Systems 2020-12-09 Jiang He , Jie Li , Qiangqiang Yuan , Huanfeng Shen , Liangpei Zhang

Most speech enhancement algorithms make use of the short-time Fourier transform (STFT), which is a simple and flexible time-frequency decomposition that estimates the short-time spectrum of a signal. However, the duration of short STFT…

Sound · Computer Science 2015-09-03 Scott Wisdom , Thomas Powers , Les Atlas , James Pitton

Diffusion model, as a new generative model which is very popular in image generation and audio synthesis, is rarely used in speech enhancement. In this paper, we use the diffusion model as a module for stochastic refinement. We propose…

Sound · Computer Science 2022-11-01 Zhibin Qiu , Mengfan Fu , Yinfeng Yu , LiLi Yin , Fuchun Sun , Hao Huang

Speech enhancement is a demanding task in automated speech processing pipelines, focusing on separating clean speech from noisy channels. Transformer based models have recently bested RNN and CNN models in speech enhancement, however at the…

Sound · Computer Science 2023-08-07 Jinyu Long , Jetic Gū , Binhao Bai , Zhibo Yang , Ping Wei , Junli Li
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