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Related papers: SAC: Neural Speech Codec with Semantic-Acoustic Du…

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We propose a novel text-to-speech (TTS) framework centered around a neural transducer. Our approach divides the whole TTS pipeline into semantic-level sequence-to-sequence (seq2seq) modeling and fine-grained acoustic modeling stages,…

Audio and Speech Processing · Electrical Eng. & Systems 2024-10-28 Minchan Kim , Myeonghun Jeong , Byoung Jin Choi , Semin Kim , Joun Yeop Lee , Nam Soo Kim

Speech samples recorded in both indoor and outdoor environments are often contaminated with secondary audio sources. Most end-to-end monaural speech recognition systems either remove these background sounds using speech enhancement or train…

Audio and Speech Processing · Electrical Eng. & Systems 2022-02-04 Chaitanya Narisetty , Emiru Tsunoo , Xuankai Chang , Yosuke Kashiwagi , Michael Hentschel , Shinji Watanabe

Representing speech as discrete tokens provides a framework for transforming speech into a format that closely resembles text, thus enabling the use of speech as an input to the widely successful large language models (LLMs). Currently,…

The ability to efficiently search for images is essential for improving the user experiences across various products. Incorporating user feedback, via multi-modal inputs, to navigate visual search can help tailor retrieved results to…

Computer Vision and Pattern Recognition · Computer Science 2021-10-22 Surgan Jandial , Pinkesh Badjatiya , Pranit Chawla , Ayush Chopra , Mausoom Sarkar , Balaji Krishnamurthy

Speech codecs serve as bridges between continuous speech signals and large language models, yet face an inherent conflict between acoustic fidelity and semantic preservation. To mitigate this conflict, prevailing methods augment acoustic…

Sound · Computer Science 2026-01-28 Xin Zhang , Lin Li , Xiangni Lu , Jianquan Liu , Kong Aik Lee

Semantic communications could improve the transmission efficiency significantly by exploring the semantic information. In this paper, we make an effort to recover the transmitted speech signals in the semantic communication systems, which…

Signal Processing · Electrical Eng. & Systems 2021-09-09 Zhenzi Weng , Zhijin Qin

Neural audio codecs are widely used for audio compression and can be integrated into token-based language models. Traditional codecs preserve acoustic details well but lack semantic information. Recent hybrid codecs attempt to incorporate…

Audio and Speech Processing · Electrical Eng. & Systems 2026-02-09 Kaiyuan Zhang , Mohan Shi , Eray Eren , Natarajan Balaji Shankar , Zilai Wang , Abeer Alwan

Context compression is an advanced technique that accelerates large language model (LLM) inference by converting long inputs into compact representations. Existing methods primarily rely on autoencoding tasks to train special compression…

Computation and Language · Computer Science 2026-03-12 Xin Liu , Runsong Zhao , Pengcheng Huang , Xinyu Liu , Junyi Xiao , Chunyang Xiao , Tong Xiao , Shengxiang Gao , Zhengtao Yu , Jingbo Zhu

Language models (LMs) have recently flourished in natural language processing and computer vision, generating high-fidelity texts or images in various tasks. In contrast, the current speech generative models are still struggling regarding…

Sound · Computer Science 2023-10-13 Xinfa Zhu , Yuanjun Lv , Yi Lei , Tao Li , Wendi He , Hongbin Zhou , Heng Lu , Lei Xie

Semantic communications have been utilized to execute numerous intelligent tasks by transmitting task-related semantic information instead of bits. In this article, we propose a semantic-aware speech-to-text transmission system for the…

Audio and Speech Processing · Electrical Eng. & Systems 2024-10-08 Zhenzi Weng , Zhijin Qin , Huiqiang Xie , Xiaoming Tao , Khaled B. Letaief

Neural speech codecs have demonstrated their ability to compress high-quality speech and audio by converting them into discrete token representations. Most existing methods utilize Residual Vector Quantization (RVQ) to encode speech into…

Sound · Computer Science 2024-10-22 Peiji Yang , Fengping Wang , Yicheng Zhong , Huawei Wei , Zhisheng Wang

The use of audio recordings of human speech to train LLMs poses privacy concerns due to these models' potential to generate outputs that closely resemble artifacts in the training data. In this study, we propose a speaker privacy-preserving…

Recent improvements in neural audio codec (NAC) models have generated interest in adopting pre-trained codecs for a variety of speech processing applications to take advantage of the efficiencies gained from high compression, but these have…

Sound · Computer Science 2024-07-08 Jia Qi Yip , Shengkui Zhao , Dianwen Ng , Eng Siong Chng , Bin Ma

Recent advances in spatially selective active noise control (SSANC) using multiple microphones have enabled hearables to suppress undesired noise while preserving desired speech from a specific direction. Aiming to achieve minimal speech…

Audio and Speech Processing · Electrical Eng. & Systems 2025-07-18 Tong Xiao , Reinhild Roden , Matthias Blau , Simon Doclo

The advent of neural audio codecs has increased in popularity due to their potential for efficiently modeling audio with transformers. Such advanced codecs represent audio from a highly continuous waveform to low-sampled discrete units. In…

Audio and Speech Processing · Electrical Eng. & Systems 2025-09-19 Samir Sadok , Julien Hauret , Éric Bavu

Audio-Visual Speaker Detection (AVSD) hinges on modeling both individual temporal continuity and inter-personal social context. Existing coupled architectures struggle to reconcile these tasks in shared representation spaces due to…

Multimedia · Computer Science 2026-04-17 Junhao Xiao , Shun Feng , Zhiyu Wu , Jinghan Yu , Haibiao Yao , Zhiyuan Ma , Jianjun Li , Youjun Bao , Yi Chen

With the rise of multimodal large language models (LLMs), audio codec plays an increasingly vital role in encoding audio into discrete tokens, enabling integration of audio into text-based LLMs. Current audio codec captures two types of…

Audio and Speech Processing · Electrical Eng. & Systems 2025-08-29 Ruifan Deng , Yitian Gong , Qinghui Gao , Luozhijie Jin , Qinyuan Cheng , Zhaoye Fei , Shimin Li , Xipeng Qiu

A good audio codec for live applications such as telecommunication is characterized by three key properties: (1) compression, i.e.\ the bitrate that is required to transmit the signal should be as low as possible; (2) latency, i.e.\…

Audio and Speech Processing · Electrical Eng. & Systems 2023-05-29 Yi-Chiao Wu , Israel D. Gebru , Dejan Marković , Alexander Richard

Recent semantic communication methods explore effective ways to expand the communication paradigm and improve the system performance of the communication systems. Nonetheless, the common problem of these methods is that the essence of…

Information Theory · Computer Science 2024-01-29 Zijian Liang , Kai Niu , Jin Xu , Ping Zhang

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