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Self-supervised learned models have been found to be very effective for certain speech tasks such as automatic speech recognition, speaker identification, keyword spotting and others. While the features are undeniably useful in speech…

Audio and Speech Processing · Electrical Eng. & Systems 2024-03-05 Ravi Shankar , Ke Tan , Buye Xu , Anurag Kumar

Keyword Spotting (KWS) enables speech-based user interaction on smart devices. Always-on and battery-powered application scenarios for smart devices put constraints on hardware resources and power consumption, while also demanding high…

Audio and Speech Processing · Electrical Eng. & Systems 2020-05-05 Simon Mittermaier , Ludwig Kürzinger , Bernd Waschneck , Gerhard Rigoll

Self-supervised Transformer based models, such as wav2vec 2.0 and HuBERT, have produced significant improvements over existing approaches to automatic speech recognition (ASR). This is evident in the performance of the wav2vec 2.0 based…

Computation and Language · Computer Science 2022-07-05 Mitchell DeHaven , Jayadev Billa

Following the success of supervised learning, semi-supervised learning (SSL) is now becoming increasingly popular. SSL is a family of methods, which in addition to a labeled training set, also use a sizable collection of unlabeled data for…

Machine Learning · Computer Science 2022-05-12 Erik Wallin , Lennart Svensson , Fredrik Kahl , Lars Hammarstrand

We propose a novel semi-supervised learning (SSL) method that adopts selective training with pseudo labels. In our method, we generate hard pseudo-labels and also estimate their confidence, which represents how likely each pseudo-label is…

Machine Learning · Computer Science 2021-03-16 Masato Ishii

Self-Supervised Learning (SSL) has gained traction for its ability to learn rich representations with low labeling costs, applicable across diverse downstream tasks. However, assessing the downstream-task performance remains challenging due…

Sound · Computer Science 2025-10-07 Takashi Maekaku , Keita Goto , Jinchuan Tian , Yusuke Shinohara , Shinji Watanabe

Small-Footprint Keyword Spotting (SF-KWS) has gained popularity in today's landscape of smart voice-activated devices, smartphones, and Internet of Things (IoT) applications. This surge is attributed to the advancements in Deep Learning,…

Audio and Speech Processing · Electrical Eng. & Systems 2025-06-16 Soumen Garai , Suman Samui

We investigate the performance of self-supervised pretraining frameworks on pathological speech datasets used for automatic speech recognition (ASR). Modern end-to-end models require thousands of hours of data to train well, but only a…

Sound · Computer Science 2022-06-30 Lester Phillip Violeta , Wen-Chin Huang , Tomoki Toda

We investigate the utility of in-domain self-supervised pre-training of vision models in the analysis of remote sensing imagery. Self-supervised learning (SSL) has emerged as a promising approach for remote sensing image classification due…

Computer Vision and Pattern Recognition · Computer Science 2024-02-06 Ivica Dimitrovski , Ivan Kitanovski , Nikola Simidjievski , Dragi Kocev

While semi-supervised learning (SSL) algorithms provide an efficient way to make use of both labelled and unlabelled data, they generally struggle when the number of annotated samples is very small. In this work, we consider the problem of…

Computer Vision and Pattern Recognition · Computer Science 2020-04-23 Sylvestre-Alvise Rebuffi , Sebastien Ehrhardt , Kai Han , Andrea Vedaldi , Andrew Zisserman

Automatic singing voice understanding tasks, such as singer identification, singing voice transcription, and singing technique classification, benefit from data-driven approaches that utilize deep learning techniques. These approaches work…

Sound · Computer Science 2023-09-06 Yuya Yamamoto

The amount of labeled data to train models for speech tasks is limited for most languages, however, the data scarcity is exacerbated for speech translation which requires labeled data covering two different languages. To address this issue,…

Computation and Language · Computer Science 2022-10-20 Changhan Wang , Hirofumi Inaguma , Peng-Jen Chen , Ilia Kulikov , Yun Tang , Wei-Ning Hsu , Michael Auli , Juan Pino

Robustness against noise is critical for keyword spotting (KWS) in real-world environments. To improve the robustness, a speech enhancement front-end is involved. Instead of treating the speech enhancement as a separated preprocessing…

Sound · Computer Science 2019-06-21 Yue Gu , Zhihao Du , Hui Zhang , Xueliang Zhang

Open-vocabulary keyword spotting (KWS), which allows users to customize keywords, has attracted increasingly more interest. However, existing methods based on acoustic models and post-processing train the acoustic model with ASR training…

Audio and Speech Processing · Electrical Eng. & Systems 2023-12-18 Ao Zhang , Pan Zhou , Kaixun Huang , Yong Zou , Ming Liu , Lei Xie

Self-supervised learning (SSL) methods have proven to be very successful in automatic speech recognition (ASR). These great improvements have been reported mostly based on highly curated datasets such as LibriSpeech for non-streaming…

Sound · Computer Science 2022-05-19 Mostafa Karimi , Changliang Liu , Kenichi Kumatani , Yao Qian , Tianyu Wu , Jian Wu

The lack of labeled data is a major obstacle in many music information retrieval tasks such as melody extraction, where labeling is extremely laborious or costly. Semi-supervised learning (SSL) provides a solution to alleviate the issue by…

Audio and Speech Processing · Electrical Eng. & Systems 2020-08-17 Sangeun Kum , Jing-Hua Lin , Li Su , Juhan Nam

Self-supervised learning (SSL) has shown significant progress in speech processing tasks. However, despite the intrinsic randomness in the Transformer structure, such as dropout variants and layer-drop, improving the model-level consistency…

Audio and Speech Processing · Electrical Eng. & Systems 2023-06-16 Ji Won Yoon , Seok Min Kim , Nam Soo Kim

Semi-supervised learning (SSL) can reduce the need for large labelled datasets by incorporating unlabelled data into the training. This is particularly interesting for semantic segmentation, where labelling data is very costly and…

Computer Vision and Pattern Recognition · Computer Science 2022-10-20 Sebastian Scherer , Robin Schön , Rainer Lienhart

Semi-supervised learning (SSL) leverages abundant unlabeled data alongside limited labeled data to enhance learning. As vision foundation models (VFMs) increasingly serve as the backbone of vision applications, it remains unclear how SSL…

Machine Learning · Computer Science 2025-11-06 Ping Zhang , Zheda Mai , Quang-Huy Nguyen , Wei-Lun Chao

Recent advancements in Self-Supervised Learning (SSL) have shown promising results in Speaker Verification (SV). However, narrowing the performance gap with supervised systems remains an ongoing challenge. Several studies have observed that…

Audio and Speech Processing · Electrical Eng. & Systems 2025-06-25 Victor Miara , Theo Lepage , Reda Dehak