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We propose a spatial diffuseness feature for deep neural network (DNN)-based automatic speech recognition to improve recognition accuracy in reverberant and noisy environments. The feature is computed in real-time from multiple microphone…

计算与语言 · 计算机科学 2015-09-02 Andreas Schwarz , Christian Huemmer , Roland Maas , Walter Kellermann

With recent advances of diffusion model, generative speech enhancement (SE) has attracted a surge of research interest due to its great potential for unseen testing noises. However, existing efforts mainly focus on inherent properties of…

音频与语音处理 · 电气工程与系统科学 2024-06-05 Yuchen Hu , Chen Chen , Ruizhe Li , Qiushi Zhu , Eng Siong Chng

Denoising in the sRGB image space is challenging due to large noise variability. Although end-to-end methods perform well, their effectiveness in real-world scenarios is limited by the scarcity of real noisy-clean image pairs, which are…

计算机视觉与模式识别 · 计算机科学 2026-05-19 Jaekyun Ko , Dongjin Kim , Soomin Lee , Guanghui Wang , Tae Hyun Kim

This paper introduces a novel speech enhancement (SE) approach based on a denoising diffusion probabilistic model (DDPM), termed Guided diffusion for speech enhancement (GDiffuSE). In contrast to conventional methods that directly map noisy…

声音 · 计算机科学 2026-03-03 Efrayim Yanir , David Burshtein , Sharon Gannot

To further reduce the complexity of lightweight speech enhancement models, we introduce a gating-based Dynamically Slimmable Network (DSN). The DSN comprises static and dynamic components. For architecture-independent applicability, we…

音频与语音处理 · 电气工程与系统科学 2026-03-16 Haixin Zhao , Kaixuan Yang , Nilesh Madhu

Speech enhancement (SE) improves communication in noisy environments, affecting areas such as automatic speech recognition, hearing aids, and telecommunications. With these domains typically being power-constrained and event-based while…

声音 · 计算机科学 2024-08-15 Tao Sun , Sander Bohté

Diffusion-based purification (DBP) methods aim to remove adversarial noise from the input sample by first injecting Gaussian noise through a forward diffusion process, and then recovering the clean example through a reverse generative…

计算机视觉与模式识别 · 计算机科学 2026-02-16 Yuhao Sun , Jiacheng Zhang , Zesheng Ye , Chaowei Xiao , Feng Liu

Background noise reduces speech intelligibility and quality, making speaker verification (SV) in noisy environments a challenging task. To improve the noise robustness of SV systems, additive noise data augmentation method has been commonly…

音频与语音处理 · 电气工程与系统科学 2023-07-21 Wonbin Kim , Hyun-seo Shin , Ju-ho Kim , Jungwoo Heo , Chan-yeong Lim , Ha-Jin Yu

Event-based sensors offer significant advantages over traditional frame-based cameras, especially in scenarios involving rapid motion or challenging lighting conditions. However, event data frequently suffers from considerable noise,…

计算机视觉与模式识别 · 计算机科学 2025-06-05 Marcin Kowalczyk , Kamil Jeziorek , Tomasz Kryjak

Estimating noise information exactly is crucial for noise aware training in speech applications including speech enhancement (SE) which is our focus in this paper. To estimate noise-only frames, we employ voice activity detection (VAD) to…

音频与语音处理 · 电气工程与系统科学 2020-12-04 Joohyung Lee , Youngmoon Jung , Myunghun Jung , Hoirin Kim

Most text-to-speech (TTS) methods use high-quality speech corpora recorded in a well-designed environment, incurring a high cost for data collection. To solve this problem, existing noise-robust TTS methods are intended to use noisy speech…

声音 · 计算机科学 2022-06-30 Takaaki Saeki , Kentaro Tachibana , Ryuichi Yamamoto

Semantic communication (SemCom) aims to convey the intended meaning of messages rather than merely transmitting bits, thereby offering greater efficiency and robustness, particularly in resource-constrained or noisy environments. In this…

信息论 · 计算机科学 2025-07-08 Chengyang Liang , Dong Li

Most research in synthetic speech detection (SSD) focuses on improving performance on standard noise-free datasets. However, in actual situations, noise interference is usually present, causing significant performance degradation in SSD…

声音 · 计算机科学 2024-04-17 Cunhang Fan , Mingming Ding , Jianhua Tao , Ruibo Fu , Jiangyan Yi , Zhengqi Wen , Zhao Lv

Visual Speech Recognition (VSR) aims to infer speech into text depending on lip movements alone. As it focuses on visual information to model the speech, its performance is inherently sensitive to personal lip appearances and movements, and…

计算与语言 · 计算机科学 2024-10-21 Minsu Kim , Hyung-Il Kim , Yong Man Ro

In real-world scenarios, environment changes caused by human or agent activities make it extremely challenging for robots to perform various long-term tasks. Recent works typically struggle to effectively understand and adapt to dynamic…

机器人学 · 计算机科学 2025-12-19 Luzhou Ge , Xiangyu Zhu , Zhuo Yang , Xuesong Li

DNN-based methods have shown high performance in sound event localization and detection(SELD). While in real spatial sound scenes, reverberation and the imbalanced presence of various sound events increase the complexity of the SELD task.…

音频与语音处理 · 电气工程与系统科学 2023-07-18 Siwei Huang , Jianfeng Chen , Jisheng Bai , Yafei Jia , Dongzhe Zhang

Dynamic scenes rendering is an intriguing yet challenging problem. Although current methods based on NeRF have achieved satisfactory performance, they still can not reach real-time levels. Recently, 3D Gaussian Splatting (3DGS) has garnered…

计算机视觉与模式识别 · 计算机科学 2024-11-07 Jiahao Lu , Jiacheng Deng , Ruijie Zhu , Yanzhe Liang , Wenfei Yang , Tianzhu Zhang , Xu Zhou

The goal of speech enhancement (SE) is to eliminate the background interference from the noisy speech signal. Generative models such as diffusion models (DM) have been applied to the task of SE because of better generalization in unseen…

声音 · 计算机科学 2023-09-06 Wen Wang , Dongchao Yang , Qichen Ye , Bowen Cao , Yuexian Zou

Conventional time-delay neural networks (TDNNs) struggle to handle long-range context, their ability to represent speaker information is therefore limited in long utterances. Existing solutions either depend on increasing model complexity…

声音 · 计算机科学 2023-08-02 Yangfu Li , Jiapan Gan , Xiaodan Lin

Learning from large-scale pre-trained models with strong generalization ability has shown remarkable success in a wide range of downstream tasks recently, but it is still underexplored in the challenging few-shot class-incremental learning…

计算机视觉与模式识别 · 计算机科学 2025-08-14 Linpu He , Yanan Li , Bingze Li , Elvis Han Cui , Donghui Wang
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