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Audio coding is an essential module in the real-time communication system. Neural audio codecs can compress audio samples with a low bitrate due to the strong modeling and generative capabilities of deep neural networks. To address the poor…

Sound · Computer Science 2023-10-18 Wenzhe Liu , Wei Xiao , Meng Wang , Shan Yang , Yupeng Shi , Yuyong Kang , Dan Su , Shidong Shang , Dong Yu

Neural audio codecs have recently gained popularity because they can represent audio signals with high fidelity at very low bitrates, making it feasible to use language modeling approaches for audio generation and understanding. Residual…

Sound · Computer Science 2024-10-21 Hubert Siuzdak , Florian Grötschla , Luca A. Lanzendörfer

Neural codecs have demonstrated strong performance in high-fidelity compression of audio signals at low bitrates. The token-based representations produced by these codecs have proven particularly useful for generative modeling. While much…

Audio and Speech Processing · Electrical Eng. & Systems 2025-04-16 Patrick O'Reilly , Prem Seetharaman , Jiaqi Su , Zeyu Jin , Bryan Pardo

Large Language Models (LLMs) have advanced audio generation through discrete representation learning. However, most existing neural codecs focus on speech and emphasize reconstruction fidelity, overlooking unified low frame rate modeling…

Audio and Speech Processing · Electrical Eng. & Systems 2026-03-24 Jingbin Hu , Haoyu Zhang , Dake Guo , Qirui Zhan , Wenhao Li , Huakang Chen , Guobin Ma , Hanke Xie , Chengyou Wang , Pengyuan Xie , Chuan Xie , Qiang Zhang , Lei Xie

High-fidelity general audio compression at ultra-low bitrates is crucial for applications ranging from low-bandwidth communication to generative audio-language modeling. Traditional audio compression methods and contemporary neural codecs…

Audio and Speech Processing · Electrical Eng. & Systems 2026-02-03 Hao Ma , Ruihao Jing , Shansong Liu , Cheng Gong , Chi Zhang , Xiao-Lei Zhang , Xuelong Li

Recent advances in the audio language modeling (ALM) domain tackle audio understanding and text-to-audio generation as separate tasks. Very few studies attempt to unify these tasks -- an essential step toward advanced multimodal reasoning.…

Neural audio codecs form the foundational building blocks for language model (LM)-based speech generation. Typically, there is a trade-off between frame rate and audio quality. This study introduces a low-frame-rate, semantically enhanced…

Sound · Computer Science 2025-10-02 Jiaqi Li , Xiaolong Lin , Zhekai Li , Shixi Huang , Yuancheng Wang , Chaoren Wang , Zhenpeng Zhan , Zhizheng Wu

Generative modeling has recently achieved remarkable success across text, image, and audio domains, demonstrating powerful capabilities for unified representation learning. However, audio generation models still face challenges in terms of…

Sound · Computer Science 2025-10-31 Chengwei Liu , Haoyin Yan , Shaofei Xue , Xiaotao Liang , Yinghao Liu , Zheng Xue , Gang Song , Boyang Zhou

Accurately interpreting cardiac auscultation signals plays a crucial role in diagnosing and managing cardiovascular diseases. However, the paucity of labelled data inhibits classification models' training. Researchers have turned to…

Sound · Computer Science 2025-06-18 Leigh Abbott , Milan Marocchi , Matthew Fynn , Yue Rong , Sven Nordholm

We introduce a novel technique for creative audio resynthesis that operates by reworking the concept of granular synthesis at the latent vector level. Our approach creates a "granular codebook" by encoding a source audio corpus into latent…

Sound · Computer Science 2025-07-28 Nao Tokui , Tom Baker

Neural audio compression has emerged as a promising technology for efficiently representing speech, music, and general audio. However, existing methods suffer from significant performance degradation at limited bitrates, where the available…

Sound · Computer Science 2026-05-08 Jin Wang , Wenbin Jiang , Xiangbo Wang , Yubo You , Sheng Fang

Universal audio codecs learn entangled representations across audio types, whereas some specific codecs offer decoupled representations but are limited to speech. Real-world audio, however, often contains mixed speech and background sounds,…

Sound · Computer Science 2025-09-12 Xiaoxue Luo , Jinwei Huang , Runyan Yang , Yingying Gao , Junlan Feng , Chao Deng , Shilei Zhang

Efficiently representing audio signals in a compressed latent space is critical for latent generative modelling. However, existing autoencoders often force a choice between continuous embeddings and discrete tokens. Furthermore, achieving…

Sound · Computer Science 2025-09-15 Marco Pasini , Stefan Lattner , George Fazekas

Existing audio-language task-specific predictive approaches focus on building complicated late-fusion mechanisms. However, these models are facing challenges of overfitting with limited labels and low model generalization abilities. In this…

Sound · Computer Science 2021-09-02 Hang Li , Yu Kang , Tianqiao Liu , Wenbiao Ding , Zitao Liu

Audio captioning is a recently proposed task for automatically generating a textual description of a given audio clip. In this study, a novel deep network architecture with audio embeddings is presented to predict audio captions. Within the…

Sound · Computer Science 2021-01-05 Ayşegül Özkaya Eren , Mustafa Sert

Future beyond-5G and 6G systems demand ultra-reliable, low-latency communication with short blocklengths, motivating the development of universal decoding algorithms. Guessing decoding, which infers the noise or codeword candidate in order…

Information Theory · Computer Science 2025-11-24 Qianfan Wang , Jifan Liang , Peihong Yuan , Ken R. Duffy , Muriel Médard , Xiao Ma

This paper introduces NeuGPT, a groundbreaking multi-modal language generation model designed to harmonize the fragmented landscape of neural recording research. Traditionally, studies in the field have been compartmentalized by signal…

Computation and Language · Computer Science 2024-10-29 Yiqian Yang , Yiqun Duan , Hyejeong Jo , Qiang Zhang , Renjing Xu , Oiwi Parker Jones , Xuming Hu , Chin-teng Lin , Hui Xiong

We present a scalable and efficient neural waveform coding system for speech compression. We formulate the speech coding problem as an autoencoding task, where a convolutional neural network (CNN) performs encoding and decoding as a neural…

Audio and Speech Processing · Electrical Eng. & Systems 2021-11-30 Kai Zhen , Jongmo Sung , Mi Suk Lee , Seungkwon Beak , Minje Kim

Generative Pre-trained Transformer (GPT) models have achieved remarkable performance on various natural language processing tasks, and have shown great potential as backbones for audio-and-text large language models (LLMs). Previous…

Video-to-audio generation is essential for synthesizing realistic audio tracks that synchronize effectively with silent videos. Following the perspective of extracting essential signals from videos that can precisely control the mature…

Sound · Computer Science 2025-03-11 Juncheng Wang , Chao Xu , Cheng Yu , Lei Shang , Zhe Hu , Shujun Wang , Liefeng Bo
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