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Related papers: AffectCodec: Emotion-Preserving Neural Speech Code…

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Speech emotion recognition (SER), the task of identifying the expression of emotion from spoken content, is challenging due to the difficulty in extracting representations that capture emotional attributes from speech. The scarcity of…

Audio and Speech Processing · Electrical Eng. & Systems 2025-08-27 Soumya Dutta , Sriram Ganapathy

Speech tokenization enables discrete representation and facilitates speech language modeling. However, existing neural codecs capture low-level acoustic features, overlooking the semantic and contextual cues inherent to human speech. While…

Neural audio codecs are foundational to speech language models. It is expected to have a low frame rate and decoupled semantic and acoustic information. A lower frame rate codec can reduce the computational cost of speech language models by…

Controllable emotional voice conversion (EVC) aims to manipulate emotional expressions to increase the diversity of synthesized speech. Existing methods typically rely on predefined labels, reference audios, or prespecified factor values,…

Audio and Speech Processing · Electrical Eng. & Systems 2025-05-28 Tianhua Qi , Shiyan Wang , Cheng Lu , Tengfei Song , Hao Yang , Zhanglin Wu , Wenming Zheng

Neural audio codecs, used as speech tokenizers, have demonstrated remarkable potential in the field of speech generation. However, to ensure high-fidelity audio reconstruction, neural audio codecs typically encode audio into long sequences…

Audio and Speech Processing · Electrical Eng. & Systems 2025-06-02 Wenrui Liu , Qian Chen , Wen Wang , Yafeng Chen , Jin Xu , Zhifang Guo , Guanrou Yang , Weiqin Li , Xiaoda Yang , Tao Jin , Minghui Fang , Jialong Zuo , Bai Jionghao , Zemin Liu

Emotions play a critical role in our everyday lives by altering how we perceive, process and respond to our environment. Affective computing aims to instill in computers the ability to detect and act on the emotions of human actors. A core…

Computation and Language · Computer Science 2020-08-31 Connor T. Heaton , David M. Schwartz

Neural Audio Codecs, initially designed as a compression technique, have gained more attention recently for speech generation. Codec models represent each audio frame as a sequence of tokens, i.e., discrete embeddings. The discrete and…

Audio and Speech Processing · Electrical Eng. & Systems 2024-10-31 Alexander H. Liu , Qirui Wang , Yuan Gong , James Glass

Speech Emotion Recognition (SER) is essential for improving human-computer interaction, yet its accuracy remains constrained by the complexity of emotional nuances in speech. In this study, we distinguish between descriptive semantics,…

Computation and Language · Computer Science 2025-10-06 Rongchen Guo , Vincent Francoeur , Isar Nejadgholi , Sylvain Gagnon , Miodrag Bolic

In this work, we address the challenge of encoding speech captured by a microphone array using deep learning techniques with the aim of preserving and accurately reconstructing crucial spatial cues embedded in multi-channel recordings. We…

Sound · Computer Science 2024-07-10 Zhongweiyang Xu , Yong Xu , Vinay Kothapally , Heming Wang , Muqiao Yang , Dong Yu

Speech emotion recognition is a challenging task for three main reasons: 1) human emotion is abstract, which means it is hard to distinguish; 2) in general, human emotion can only be detected in some specific moments during a long…

Sound · Computer Science 2019-05-03 Yuanyuan Zhang , Jun Du , Zirui Wang , Jianshu Zhang

We propose emotion2vec, a universal speech emotion representation model. emotion2vec is pre-trained on open-source unlabeled emotion data through self-supervised online distillation, combining utterance-level loss and frame-level loss…

Computation and Language · Computer Science 2023-12-27 Ziyang Ma , Zhisheng Zheng , Jiaxin Ye , Jinchao Li , Zhifu Gao , Shiliang Zhang , Xie Chen

Speech emotion recognition is a challenging task and an important step towards more natural human-machine interaction. We show that pre-trained language models can be fine-tuned for text emotion recognition, achieving an accuracy of 69.5%…

Audio and Speech Processing · Electrical Eng. & Systems 2019-12-06 Verena Heusser , Niklas Freymuth , Stefan Constantin , Alex Waibel

Neurophysiological recordings such as electroencephalography (EEG) offer accessible and minimally invasive means of estimating physiological activity for applications in healthcare, diagnostic screening, and even immersive entertainment.…

Machine Learning · Computer Science 2025-10-13 Kleanthis Avramidis , Tiantian Feng , Woojae Jeong , Jihwan Lee , Wenhui Cui , Richard M Leahy , Shrikanth Narayanan

There is a growing need for sparse representational formats of human affective states that can be utilized in scenarios with limited computational memory resources. We explore whether representing neural data, in response to emotional…

Emotions lie on a continuum, but current models treat emotions as a finite valued discrete variable. This representation does not capture the diversity in the expression of emotion. To better represent emotions we propose the use of natural…

Sound · Computer Science 2023-12-08 Hira Dhamyal , Benjamin Elizalde , Soham Deshmukh , Huaming Wang , Bhiksha Raj , Rita Singh

Neural speech codecs have revolutionized speech coding, achieving higher compression while preserving audio fidelity. Beyond compression, they have emerged as tokenization strategies, enabling language modeling on speech and driving…

Audio and Speech Processing · Electrical Eng. & Systems 2025-06-02 Wei-Cheng Tseng , David Harwath

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

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

Humans can effortlessly modify various prosodic attributes, such as the placement of stress and the intensity of sentiment, to convey a specific emotion while maintaining consistent linguistic content. Motivated by this capability, we…

Sound · Computer Science 2023-12-29 Leyuan Qu , Wei Wang , Cornelius Weber , Pengcheng Yue , Taihao Li , Stefan Wermter

Human communication includes information, opinions, and reactions. Reactions are often captured by the affective-messages in written as well as verbal communications. While there has been work in affect modeling and to some extent affective…

Computation and Language · Computer Science 2018-05-22 Sopan Khosla , Niyati Chhaya , Kushal Chawla