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Semantic communication has emerged as a promising technology for enhancing communication efficiency. However, most existing research emphasizes single-task reconstruction, neglecting model adaptability and generalization across multi-task…

Information Theory · Computer Science 2025-04-01 Weiwen Yuan , Jinke Ren , Chongjie Wang , Ruichen Zhang , Jun Wei , Dong In Kim , Shuguang Cui

Self-supervised speech representation learning has become essential for extracting meaningful features from untranscribed audio. Recent advances highlight the potential of deriving discrete symbols from the features correlated with…

Computation and Language · Computer Science 2024-09-17 Ryota Komatsu , Takahiro Shinozaki

Self-supervised learning (SSL) speech models such as wav2vec and HuBERT have demonstrated state-of-the-art performance on automatic speech recognition (ASR) and proved to be extremely useful in low label-resource settings. However, the…

Sound · Computer Science 2023-10-05 Weiwei Lin , Chenhang He , Man-Wai Mak , Youzhi Tu

Learning audio representations from raw waveforms overcomes key limitations of spectrogram-based audio representation learning, such as the long latency of spectrogram computation and the loss of phase information. Yet, while…

Speech codecs serve as a crucial bridge in unifying speech and text language models. Existing codec methods face several challenges in semantic encoding, such as residual paralinguistic information (e.g., timbre, emotion), insufficient…

Audio and Speech Processing · Electrical Eng. & Systems 2025-08-06 Chunyu Qiang , Haoyu Wang , Cheng Gong , Tianrui Wang , Ruibo Fu , Tao Wang , Ruilong Chen , Jiangyan Yi , Zhengqi Wen , Chen Zhang , Longbiao Wang , Jianwu Dang , Jianhua Tao

The generation of co-speech gestures for digital humans is an emerging area in the field of virtual human creation. Prior research has made progress by using acoustic and semantic information as input and adopting classify method to…

Sound · Computer Science 2024-04-16 Fan Zhang , Naye Ji , Fuxing Gao , Siyuan Zhao , Zhaohan Wang , Shunman Li

Self-supervised learning (SSL) based models have been shown to generate powerful representations that can be used to improve the performance of downstream speech tasks. Several state-of-the-art SSL models are available, and each of these…

Computation and Language · Computer Science 2023-02-21 A Arunkumar , Vrunda N Sukhadia , S. Umesh

Self-supervised learning (SSL)-based speech models are extensively used for full-stack speech processing. However, it has been observed that improving SSL-based speech representations using unlabeled speech for content-related tasks is…

Computation and Language · Computer Science 2024-06-14 Amit Meghanani , Thomas Hain

To understand why self-supervised learning (SSL) models have empirically achieved strong performances on several speech-processing downstream tasks, numerous studies have focused on analyzing the encoded information of the SSL layer…

Audio and Speech Processing · Electrical Eng. & Systems 2024-06-07 Jialu Li , Mark Hasegawa-Johnson , Nancy L. McElwain

With recent rapid growth of large language models (LLMs), discrete speech tokenization has played an important role for injecting speech into LLMs. However, this discretization gives rise to a loss of information, consequently impairing…

Audio and Speech Processing · Electrical Eng. & Systems 2024-07-23 Zhichao Huang , Chutong Meng , Tom Ko

Speech enhancement and separation are two fundamental tasks for robust speech processing. Speech enhancement suppresses background noise while speech separation extracts target speech from interfering speakers. Despite a great number of…

Audio and Speech Processing · Electrical Eng. & Systems 2022-03-16 Zili Huang , Shinji Watanabe , Shu-wen Yang , Paola Garcia , Sanjeev Khudanpur

Self-supervised learning (SSL) achieves great success in monaural speech enhancement, while the accuracy of the target speech estimation, particularly for unseen speakers, remains inadequate with existing pre-tasks. As speech signal…

Sound · Computer Science 2022-06-13 Yi Li , ShuangLin Li , Yang Sun , Syed Mohsen Naqvi

Self-supervised learning (SSL) has emerged as a promising paradigm for learning flexible speech representations from unlabeled data. By designing pretext tasks that exploit statistical regularities, SSL models can capture useful…

Sound · Computer Science 2024-01-25 Yusuf Brima , Ulf Krumnack , Simone Pika , Gunther Heidemann

Deep learning has brought significant improvements to the field of cross-modal representation learning. For tasks such as text-to-speech (TTS), voice conversion (VC), and automatic speech recognition (ASR), a cross-modal fine-grained…

Audio and Speech Processing · Electrical Eng. & Systems 2025-05-29 Chunyu Qiang , Wang Geng , Yi Zhao , Ruibo Fu , Tao Wang , Cheng Gong , Tianrui Wang , Qiuyu Liu , Jiangyan Yi , Zhengqi Wen , Chen Zhang , Hao Che , Longbiao Wang , Jianwu Dang , Jianhua Tao

We propose a novel neural waveform compression method to catalyze emerging speech semantic communications. By introducing nonlinear transform and variational modeling, we effectively capture the dependencies within speech frames and…

Sound · Computer Science 2022-12-14 Shengshi Yao , Zixuan Xiao , Sixian Wang , Jincheng Dai , Kai Niu , Ping Zhang

Large language models (LLMs) have demonstrated promising performance in both automatic speech recognition (ASR) and text-to-speech (TTS) systems, gradually becoming the mainstream approach. However, most current approaches address these…

Audio and Speech Processing · Electrical Eng. & Systems 2025-11-21 Wenhao Guan , Zhikang Niu , Ziyue Jiang , Kaidi Wang , Peijie Chen , Qingyang Hong , Lin Li , Xie Chen

Detecting medical conditions from speech acoustics is fundamentally a weakly-supervised learning problem: a single, often noisy, session-level label must be linked to nuanced patterns within a long, complex audio recording. This task is…

Sound · Computer Science 2026-04-21 Xingyuan Li , Mengyue Wu

Existing Large Language Model (LLM) based autoregressive (AR) text-to-speech (TTS) systems, while achieving state-of-the-art quality, still face critical challenges. The foundation of this LLM-based paradigm is the discretization of the…

Single-channel, speaker-independent speech separation methods have recently seen great progress. However, the accuracy, latency, and computational cost of such methods remain insufficient. The majority of the previous methods have…

Sound · Computer Science 2019-05-16 Yi Luo , Nima Mesgarani

Self-supervised language models are very effective at predicting high-level cortical responses during language comprehension. However, the best current models of lower-level auditory processing in the human brain rely on either…

Computation and Language · Computer Science 2022-05-31 Aditya R. Vaidya , Shailee Jain , Alexander G. Huth