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Self-supervised speech models such as wav2vec2.0 and WavLM have been shown to significantly improve the performance of many downstream speech tasks, especially in low-resource settings, over the past few years. Despite this, evaluations on…

Audio and Speech Processing · Electrical Eng. & Systems 2025-12-18 Séverin Baroudi , Hervé Bredin , Joseph Razik , Ricard Marxer

Despite rapid progress in the recent past, current speech recognition systems still require labeled training data which limits this technology to a small fraction of the languages spoken around the globe. This paper describes wav2vec-U,…

Computation and Language · Computer Science 2022-05-04 Alexei Baevski , Wei-Ning Hsu , Alexis Conneau , Michael Auli

Representations derived from models such as BERT (Bidirectional Encoder Representations from Transformers) and HuBERT (Hidden units BERT), have helped to achieve state-of-the-art performance in dimensional speech emotion recognition.…

Sound · Computer Science 2023-12-29 Vikramjit Mitra , Jingping Nie , Erdrin Azemi

Pretrained speech representations like wav2vec2 and HuBERT exhibit strong anisotropy, leading to high similarity between random embeddings. While widely observed, the impact of this property on downstream tasks remains unclear. This work…

Sound · Computer Science 2025-06-16 Guillaume Wisniewski , Séverine Guillaume , Clara Rosina Fernández

We show for the first time that learning powerful representations from speech audio alone followed by fine-tuning on transcribed speech can outperform the best semi-supervised methods while being conceptually simpler. wav2vec 2.0 masks the…

Computation and Language · Computer Science 2020-10-23 Alexei Baevski , Henry Zhou , Abdelrahman Mohamed , Michael Auli

Recently, fine-tuning large pre-trained Transformer models using downstream datasets has received a rising interest. Despite their success, it is still challenging to disentangle the benefits of large-scale datasets and Transformer…

Audio and Speech Processing · Electrical Eng. & Systems 2023-05-19 Junyi Peng , Oldřich Plchot , Themos Stafylakis , Ladislav Mošner , Lukáš Burget , Jan Černocký

Self-supervised models have had great success in learning speech representations that can generalize to various downstream tasks. However, most self-supervised models require a large amount of compute and multiple GPUs to train,…

Computation and Language · Computer Science 2024-09-02 Tzu-Quan Lin , Hung-yi Lee , Hao Tang

Self-supervised learned (SSL) models such as Wav2vec and HuBERT yield state-of-the-art results on speech-related tasks. Given the effectiveness of such models, it is advantageous to use them in conventional ASR systems. While some…

Computation and Language · Computer Science 2024-04-22 Darshan Prabhu , Sai Ganesh Mirishkar , Pankaj Wasnik

Self-supervised learning leverages unlabeled data effectively, improving label efficiency and generalization to domains without labeled data. While recent work has studied generalization to more acoustic/linguistic domains, languages, and…

Computation and Language · Computer Science 2023-03-21 Maryam Fazel-Zarandi , Wei-Ning Hsu

Recent innovations in self-supervised representation learning have led to remarkable advances in natural language processing. That said, in the speech processing domain, self-supervised representation learning-based systems are not yet…

Computation and Language · Computer Science 2022-03-02 Hagai Aronowitz , Itai Gat , Edmilson Morais , Weizhong Zhu , Ron Hoory

Recent developments in pre-trained speech representation utilizing self-supervised learning (SSL) have yielded exceptional results on a variety of downstream tasks. One such technique, known as masked predictive coding (MPC), has been…

Sound · Computer Science 2024-01-12 Hemant Yadav , Sunayana Sitaram , Rajiv Ratn Shah

Speech is the most natural way of expressing ourselves as humans. Identifying emotion from speech is a nontrivial task due to the ambiguous definition of emotion itself. Speaker Emotion Recognition (SER) is essential for understanding human…

Sound · Computer Science 2024-11-07 Pourya Jafarzadeh , Amir Mohammad Rostami , Padideh Choobdar

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

Understanding how speech foundation models capture non-verbal cues is crucial for improving their interpretability and adaptability across diverse tasks. In our work, we analyze several prominent models such as Whisper, Seamless, Wav2Vec,…

Computation and Language · Computer Science 2024-10-18 Abdul Waheed , Hanin Atwany , Bhiksha Raj , Rita Singh

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

Unifying acoustic and linguistic representation learning has become increasingly crucial to transfer the knowledge learned on the abundance of high-resource language data for low-resource speech recognition. Existing approaches simply…

Computation and Language · Computer Science 2021-10-12 Guolin Zheng , Yubei Xiao , Ke Gong , Pan Zhou , Xiaodan Liang , Liang Lin

Active learning has been shown to be an effective way to alleviate some of the effort required in utilising large collections of unlabelled data for machine learning tasks without needing to fully label them. The representation mechanism…

Information Retrieval · Computer Science 2020-04-29 Jinghui Lu , Brian MacNamee

Self-supervised speech models have grown fast during the past few years and have proven feasible for use in various downstream tasks. Some recent work has started to look at the characteristics of these models, yet many concerns have not…

Audio and Speech Processing · Electrical Eng. & Systems 2022-12-13 Yuanchao Li , Yumnah Mohamied , Peter Bell , Catherine Lai

Sign language processing has traditionally relied on task-specific models, limiting the potential for transfer learning across tasks. Pre-training methods for sign language have typically focused on either supervised pre-training, which…

Computation and Language · Computer Science 2025-07-04 Shester Gueuwou , Xiaodan Du , Greg Shakhnarovich , Karen Livescu , Alexander H. Liu

It was shown in literature that speech representations extracted by self-supervised pre-trained models exhibit similarities with brain activations of human for speech perception and fine-tuning speech representation models on downstream…

Audio and Speech Processing · Electrical Eng. & Systems 2024-06-14 Hengyu Li , Kangdi Mei , Zhaoci Liu , Yang Ai , Liping Chen , Jie Zhang , Zhenhua Ling