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In large part due to their implicit semantic modeling, self-supervised learning (SSL) methods have significantly increased the performance of valence recognition in speech emotion recognition (SER) systems. Yet, their large size may often…

Audio and Speech Processing · Electrical Eng. & Systems 2023-09-20 Danilo de Oliveira , Navin Raj Prabhu , Timo Gerkmann

Multimodal representation learning seeks to relate and decompose information inherent in multiple modalities. By disentangling modality-specific information from information that is shared across modalities, we can improve interpretability…

Machine Learning · Computer Science 2025-03-18 Chenyu Wang , Sharut Gupta , Xinyi Zhang , Sana Tonekaboni , Stefanie Jegelka , Tommi Jaakkola , Caroline Uhler

Self-supervised learning (SSL) learns knowledge from a large amount of unlabeled data, and then transfers the knowledge to a specific problem with a limited number of labeled data. SSL has achieved promising results in various domains. This…

Audio and Speech Processing · Electrical Eng. & Systems 2023-06-08 Xian Li , Xiaofei Li

Training speaker-discriminative and robust speaker verification systems without explicit speaker labels remains a persistent challenge. In this paper, we propose a novel self-supervised speaker verification approach, Self-Distillation…

Audio and Speech Processing · Electrical Eng. & Systems 2024-12-30 Yafeng Chen , Siqi Zheng , Hui Wang , Luyao Cheng , Qian Chen , Chong Deng , Shiliang Zhang , Wen Wang

In this study, we investigate self-supervised representation learning for speaker verification (SV). First, we examine a simple contrastive learning approach (SimCLR) with a momentum contrastive (MoCo) learning framework, where the MoCo…

Audio and Speech Processing · Electrical Eng. & Systems 2021-02-16 Wei Xia , Chunlei Zhang , Chao Weng , Meng Yu , Dong Yu

Despite speaker verification has achieved significant performance improvement with the development of deep neural networks, domain mismatch is still a challenging problem in this field. In this study, we propose a novel framework to…

Audio and Speech Processing · Electrical Eng. & Systems 2021-02-24 Mufan Sang , Wei Xia , John H. L. Hansen

In this paper, we propose a new differentiable neural network alignment mechanism for text-dependent speaker verification which uses alignment models to produce a supervector representation of an utterance. Unlike previous works with…

Sound · Computer Science 2018-12-27 Victoria Mingote , Antonio Miguel , Alfonso Ortega , Eduardo Lleida

In recent years, self-supervised learning (SSL) frameworks have been extensively applied to sensor-based Human Activity Recognition (HAR) in order to learn deep representations without data annotations. While SSL frameworks reach…

Machine Learning · Computer Science 2023-08-01 Bulat Khaertdinov , Stylianos Asteriadis

In this work, we present a novel method, named AV2vec, for learning audio-visual speech representations by multimodal self-distillation. AV2vec has a student and a teacher module, in which the student performs a masked latent feature…

Audio and Speech Processing · Electrical Eng. & Systems 2022-12-07 Jing-Xuan Zhang , Genshun Wan , Zhen-Hua Ling , Jia Pan , Jianqing Gao , Cong Liu

Recently end-to-end neural audio/speech coding has shown its great potential to outperform traditional signal analysis based audio codecs. This is mostly achieved by following the VQ-VAE paradigm where blind features are learned,…

Sound · Computer Science 2023-02-28 Xue Jiang , Xiulian Peng , Yuan Zhang , Yan Lu

Speech is a rich signal, and labeled audio-text pairs are costly, making self-supervised learning essential for scalable representation learning. A core challenge in speech SSL is generating pseudo-labels that are both informative and…

Computation and Language · Computer Science 2025-09-22 Liuyuan Jiang , Xiaodong Cui , Brian Kingsbury , Tianyi Chen , Lisha Chen

Speech is the surface form of a finite set of phonetic units, which can be represented by discrete codes. We propose the Code BERT (CoBERT) approach for self-supervised speech representation learning. The idea is to convert an utterance to…

Sound · Computer Science 2023-07-06 Chutong Meng , Junyi Ao , Tom Ko , Mingxuan Wang , Haizhou Li

Large Language Models (LLMs) are one of the most promising technologies for the next era of speech generation systems, due to their scalability and in-context learning capabilities. Nevertheless, they suffer from multiple stability issues…

Conversation disentanglement aims to group utterances into detached sessions, which is a fundamental task in processing multi-party conversations. Existing methods have two main drawbacks. First, they overemphasize pairwise utterance…

Computation and Language · Computer Science 2024-09-04 Chengyu Huang , Zheng Zhang , Hao Fei , Lizi Liao

Self-supervised learning (SSL) models have become crucial in speech processing, with recent advancements concentrating on developing architectures that capture representations across multiple timescales. The primary goal of these…

Audio and Speech Processing · Electrical Eng. & Systems 2024-11-01 Theo Clark , Benedetta Cevoli , Eloy de Jong , Timofey Abramski , Jamie Dougherty

Personalized speech enhancement (PSE) models can improve the audio quality of teleconferencing systems by adapting to the characteristics of a speaker's voice. However, most existing methods require a separate speaker embedding model to…

Sound · Computer Science 2024-06-17 Tanel Pärnamaa , Ando Saabas

Learning good representations without supervision is still an open issue in machine learning, and is particularly challenging for speech signals, which are often characterized by long sequences with a complex hierarchical structure. Some…

Machine Learning · Computer Science 2019-04-09 Santiago Pascual , Mirco Ravanelli , Joan Serrà , Antonio Bonafonte , Yoshua Bengio

Speaker identification in the household scenario (e.g., for smart speakers) is typically based on only a few enrollment utterances but a much larger set of unlabeled data, suggesting semisupervised learning to improve speaker profiles. We…

Sound · Computer Science 2022-02-22 Long Chen , Venkatesh Ravichandran , Andreas Stolcke

In self-supervised learning for speaker recognition, pseudo labels are useful as the supervision signals. It is a known fact that a speaker recognition model doesn't always benefit from pseudo labels due to their unreliability. In this…

Audio and Speech Processing · Electrical Eng. & Systems 2022-07-15 Ruijie Tao , Kong Aik Lee , Rohan Kumar Das , Ville Hautamäki , Haizhou Li

Changing an attribute of a text without changing the content usually requires to first disentangle the text into irrelevant attributes and content representations. After that, in the inference phase, the representation of one attribute is…

Machine Learning · Computer Science 2023-12-04 Lei Sha , Thomas Lukasiewicz