English
Related papers

Related papers: Wav2Vec-Aug: Improved self-supervised training wit…

200 papers

Self-Supervised Learning (SSL) is a valuable and robust training methodology for contemporary Deep Neural Networks (DNNs), enabling unsupervised pretraining on a 'pretext task' that does not require ground-truth labels/annotation. This…

Computer Vision and Pattern Recognition · Computer Science 2024-12-30 Sotirios Konstantakos , Jorgen Cani , Ioannis Mademlis , Despina Ioanna Chalkiadaki , Yuki M. Asano , Efstratios Gavves , Georgios Th. Papadopoulos

Given an unlabeled dataset and an annotation budget, we study how to selectively label a fixed number of instances so that semi-supervised learning (SSL) on such a partially labeled dataset is most effective. We focus on selecting the right…

Machine Learning · Computer Science 2023-08-24 Xudong Wang , Long Lian , Stella X. Yu

Pre-trained speech representations like wav2vec 2.0 are a powerful tool for automatic speech recognition (ASR). Yet many endangered languages lack sufficient data for pre-training such models, or are predominantly oral vernaculars without a…

Self-supervised learning (SSL) models like Wav2Vec2, HuBERT, and WavLM have been widely used in speech processing. These transformer-based models consist of multiple layers, each capturing different levels of representation. While prior…

Audio and Speech Processing · Electrical Eng. & Systems 2025-08-13 Xinyu Liang , Fredrik Cumlin , Victor Ungureanu , Chandan K. A. Reddy , Christian Schuldt , Saikat Chatterjee

Approaching Speech-to-Text and Automatic Speech Recognition problems in low-resource languages is notoriously challenging due to the scarcity of validated datasets and the diversity of dialects. Arabic, Russian, and Portuguese exemplify…

Computation and Language · Computer Science 2025-01-03 Or Haim Anidjar , Revital Marbel , Roi Yozevitch

Automatic speech recognition (ASR) has progressed significantly in recent years due to the emergence of large-scale datasets and the self-supervised learning (SSL) paradigm. However, as its counterpart problem in the singing domain, the…

Audio and Speech Processing · Electrical Eng. & Systems 2022-10-18 Longshen Ou , Xiangming Gu , Ye Wang

Early cancer detection is crucial for prognosis, but many cancer types lack large labelled datasets required for developing deep learning models. This paper investigates self-supervised learning (SSL) as an alternative to the standard…

Image and Video Processing · Electrical Eng. & Systems 2024-11-27 Hamish Haggerty , Rohitash Chandra

Audio-visual speech recognition has received a lot of attention due to its robustness against acoustic noise. Recently, the performance of automatic, visual, and audio-visual speech recognition (ASR, VSR, and AV-ASR, respectively) has been…

Computer Vision and Pattern Recognition · Computer Science 2023-06-29 Pingchuan Ma , Alexandros Haliassos , Adriana Fernandez-Lopez , Honglie Chen , Stavros Petridis , Maja Pantic

Automatic Speech Recognition (ASR) systems often struggle to accurately process children's speech due to its distinct and highly variable acoustic and linguistic characteristics. While recent advancements in self-supervised learning (SSL)…

Audio and Speech Processing · Electrical Eng. & Systems 2025-09-01 Abhijit Sinha , Hemant Kumar Kathania , Sudarsana Reddy Kadiri , Shrikanth Narayanan

Speech recognition systems often struggle with data domains that have not been included in the training. To address this, unsupervised domain adaptation has been explored with ensemble and multi-stage teacher-student training methods…

Audio and Speech Processing · Electrical Eng. & Systems 2026-04-14 Rehan Ahmad , Muhammad Umar Farooq , Qihang Feng , Thomas Hain

Weakly supervised data are widespread and have attracted much attention. However, since label quality is often difficult to guarantee, sometimes the use of weakly supervised data will lead to unsatisfactory performance, i.e., performance…

Machine Learning · Computer Science 2019-04-23 Lan-Zhe Guo , Yu-Feng Li , Ming Li , Jin-Feng Yi , Bo-Wen Zhou , Zhi-Hua Zhou

Self-supervised learning (SSL) has emerged as a powerful technique for learning rich representations from unlabeled data. The data representations are able to capture many underlying attributes of data, and be useful in downstream…

Machine Learning · Computer Science 2023-12-01 Weicheng Zhu , Sheng Liu , Carlos Fernandez-Granda , Narges Razavian

Automatic detection of speaker confidence is critical for adaptive computing but remains constrained by limited labelled data and the subjectivity of paralinguistic annotations. This paper proposes a semi-supervised hybrid framework that…

Sound · Computer Science 2026-05-13 Adam Wynn , Jingyun Wang

Self-supervised representation learning (SSRL) has demonstrated superior performance than supervised models for tasks including phoneme recognition. Training SSRL models poses a challenge for low-resource languages where sufficient…

Audio and Speech Processing · Electrical Eng. & Systems 2024-07-02 Asad Ullah , Alessandro Ragano , Andrew Hines

We investigate continued pretraining (CPT) for adapting wav2vec2-bert-2.0 to Swahili automatic speech recognition (ASR). Our approach combines unlabeled audio with limited labeled data through pseudo-labeled CPT followed by supervised…

Sound · Computer Science 2026-03-13 Hillary Mutisya , John Mugane

Self-supervised learning methods such as wav2vec 2.0 have shown promising results in learning speech representations from unlabelled and untranscribed speech data that are useful for speech recognition. Since these representations are…

Audio and Speech Processing · Electrical Eng. & Systems 2022-03-22 Shehzeen Hussain , Van Nguyen , Shuhua Zhang , Erik Visser

Semi-supervised learning (SSL) offers a robust framework for harnessing the potential of unannotated data. Traditionally, SSL mandates that all classes possess labeled instances. However, the emergence of open-world SSL (OwSSL) introduces a…

Machine Learning · Computer Science 2024-11-05 Shengjie Niu , Lifan Lin , Jian Huang , Chao Wang

Unsupervised pre-training is now the predominant approach for both text and speech understanding. Self-attention models pre-trained on large amounts of unannotated data have been hugely successful when fine-tuned on downstream tasks from a…

Computation and Language · Computer Science 2021-10-22 Ankur Bapna , Yu-an Chung , Nan Wu , Anmol Gulati , Ye Jia , Jonathan H. Clark , Melvin Johnson , Jason Riesa , Alexis Conneau , Yu Zhang

Inspired by the humans' cognitive ability to generalise knowledge and skills, Self-Supervised Learning (SSL) targets at discovering general representations from large-scale data without requiring human annotations, which is an expensive and…

Recent work has shown that it is possible to train an $\textit{unsupervised}$ automatic speech recognition (ASR) system using only unpaired audio and text. Existing unsupervised ASR methods assume that no labeled data can be used for…

Audio and Speech Processing · Electrical Eng. & Systems 2024-02-19 Tatiana Likhomanenko , Loren Lugosch , Ronan Collobert