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Related papers: Low-Resource Audio Codec (LRAC): 2025 Challenge De…

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In this paper, we propose MDCTCodec, an efficient lightweight end-to-end neural audio codec based on the modified discrete cosine transform (MDCT). The encoder takes the MDCT spectrum of audio as input, encoding it into a continuous latent…

Sound · Computer Science 2024-11-04 Xiao-Hang Jiang , Yang Ai , Rui-Chen Zheng , Hui-Peng Du , Ye-Xin Lu , Zhen-Hua Ling

This paper explores the challenges of PAC learning in semi-enclosed environments that face persistent disruptive noise and demonstrates the weaknesses of traditional learning models based on noise-free data. We present a novel algorithm…

Machine Learning · Computer Science 2024-11-05 Shirmohammad Tavangari , Zahra Shakarami , Aref Yelghi , Asef Yelghi

Deep learning-based hearing loss compensation (HLC) seeks to enhance speech intelligibility and quality for hearing impaired listeners using neural networks. One major challenge of HLC is the lack of a ground-truth target. Recent works have…

Audio and Speech Processing · Electrical Eng. & Systems 2025-11-04 Philippe Gonzalez , Torsten Dau , Tobias May

Building upon advancements in Large Language Models (LLMs), the field of audio processing has seen increased interest in training audio generation tasks with discrete audio token sequences. However, directly discretizing audio by neural…

Audio and Speech Processing · Electrical Eng. & Systems 2024-10-08 Wenrui Liu , Zhifang Guo , Jin Xu , Yuanjun Lv , Yunfei Chu , Zhou Zhao , Junyang Lin

This work addresses the persistent challenges of substantial training time and GPU resource requirements even when training lightweight encoder-vocoder models for Textless NLP. We reduce training steps significantly while improving…

Computation and Language · Computer Science 2024-10-01 Krithiga Ramadass , Abrit Pal Singh , Srihari J , Sheetal Kalyani

Short-range audio channels have a few distinguishing characteristics: ease of use, low deployment costs, and easy to tune frequencies, to cite a few. Moreover, thanks to their seamless adaptability to the security context, many techniques…

Cryptography and Security · Computer Science 2022-08-09 Maurantonio Caprolu , Savio Sciancalepore , Roberto Di Pietro

The emerging conditional coding-based neural video codec (NVC) shows superiority over commonly-used residual coding-based codec and the latest NVC already claims to outperform the best traditional codec. However, there still exist critical…

Computer Vision and Pattern Recognition · Computer Science 2024-03-01 Jiahao Li , Bin Li , Yan Lu

Music codecs are a vital aspect of audio codec research, and ultra low-bitrate compression holds significant importance for music transmission and generation. Due to the complexity of music backgrounds and the richness of vocals, solely…

Sound · Computer Science 2025-07-14 Yaoxun Xu , Hangting Chen , Jianwei Yu , Wei Tan , Rongzhi Gu , Shun Lei , Zhiwei Lin , Zhiyong Wu

In low-bitrate speech coding, end-to-end speech coding networks aim to learn compact yet expressive features and a powerful decoder in a single network. A challenging problem as such results in unwelcome complexity increase and inferior…

Audio and Speech Processing · Electrical Eng. & Systems 2023-11-16 Haici Yang , Inseon Jang , Minje Kim

This paper presents a low-complexity framework for acoustic scene classification (ASC). Most of the frameworks designed for ASC use convolutional neural networks (CNNs) due to their learning ability and improved performance compared to…

Audio and Speech Processing · Electrical Eng. & Systems 2022-07-26 Arshdeep Singh , Mark D. Plumbley

Outdoor acoustic events detection is an exciting research field but challenged by the need for complex algorithms and deep learning techniques, typically requiring many computational, memory, and energy resources. This challenge discourages…

Audio and Speech Processing · Electrical Eng. & Systems 2020-01-30 Gianmarco Cerutti , Rahul Prasad , Alessio Brutti , Elisabetta Farella

Researchers are exploring novel computational paradigms such as sparse coding and neuromorphic computing to bridge the efficiency gap between the human brain and conventional computers in complex tasks. A key area of focus is neuromorphic…

Audio and Speech Processing · Electrical Eng. & Systems 2025-09-01 Soufiyan Bahadi , Eric Plourde , Jean Rouat

This paper presents the submission of the S4 team to the Singing Voice Conversion Challenge 2025 (SVCC2025)-a novel singing style conversion system that advances fine-grained style conversion and control within in-domain settings. To…

Sound · Computer Science 2026-04-08 Zhetao Hu , Yiquan Zhou , Wenyu Wang , Zhiyu Wu , Xin Gao , Jihua Zhu

Anomalous Sound Detection (ASD) has gained significant interest through the application of various Artificial Intelligence (AI) technologies in industrial settings. Though possessing great potential, ASD systems can hardly be readily…

Sound · Computer Science 2025-05-08 Xinhu Zheng , Anbai Jiang , Bing Han , Yanmin Qian , Pingyi Fan , Jia Liu , Wei-Qiang Zhang

Digital media is ubiquitous and produced in ever-growing quantities. This necessitates a constant evolution of compression techniques, especially for video, in order to maintain efficient storage and transmission. In this work, we aim at…

Image and Video Processing · Electrical Eng. & Systems 2020-04-29 Jan P. Klopp , Liang-Gee Chen , Shao-Yi Chien

In challenging environments with significant noise and reverberation, traditional speech enhancement (SE) methods often lead to over-suppressed speech, creating artifacts during listening and harming downstream tasks performance. To…

Audio and Speech Processing · Electrical Eng. & Systems 2024-10-03 Hsin-Tien Chiang , Hao Zhang , Yong Xu , Meng Yu , Dong Yu

Volumetric video based on Neural Radiance Field (NeRF) holds vast potential for various 3D applications, but its substantial data volume poses significant challenges for compression and transmission. Current NeRF compression lacks the…

Computer Vision and Pattern Recognition · Computer Science 2024-08-06 Zihan Zheng , Houqiang Zhong , Qiang Hu , Xiaoyun Zhang , Li Song , Ya Zhang , Yanfeng Wang

Speech codec enhancement methods are designed to remove distortions added by speech codecs. While classical methods are very low in complexity and add zero delay, their effectiveness is rather limited. Compared to that, DNN-based methods…

Audio and Speech Processing · Electrical Eng. & Systems 2024-01-15 Jan Büthe , Ahmed Mustafa , Jean-Marc Valin , Karim Helwani , Michael M. Goodwin

The Large Language models (LLMs) have demonstrated supreme capabilities in text understanding and generation, but cannot be directly applied to cross-modal tasks without fine-tuning. This paper proposes a cross-modal in-context learning…

Sound · Computer Science 2024-06-17 Dongchao Yang , Haohan Guo , Yuanyuan Wang , Rongjie Huang , Xiang Li , Xu Tan , Xixin Wu , Helen Meng

This paper aims to delve into the rate-distortion-complexity trade-offs of modern neural video coding. Recent years have witnessed much research effort being focused on exploring the full potential of neural video coding. Conditional…

Image and Video Processing · Electrical Eng. & Systems 2024-10-08 Yi-Hsin Chen , Kuan-Wei Ho , Martin Benjak , Jörn Ostermann , Wen-Hsiao Peng