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Learning effective numerical representations, or embeddings, of programs is a fundamental prerequisite for applying machine learning to automate and enhance compiler optimization. Prevailing paradigms, however, present a dilemma. Static…

Machine Learning · Computer Science 2025-10-16 Haolin Pan , Jinyuan Dong , Hongbin Zhang , Hongyu Lin , Mingjie Xing , Yanjun Wu

This paper investigates self-supervised pre-training for audio-visual speaker representation learning where a visual stream showing the speaker's mouth area is used alongside speech as inputs. Our study focuses on the Audio-Visual Hidden…

Audio and Speech Processing · Electrical Eng. & Systems 2022-07-18 Bowen Shi , Abdelrahman Mohamed , Wei-Ning Hsu

Human speech perception is multimodal. In natural speech, lip movements can precede corresponding voicing by a non-negligible gap of 100-300 ms, especially for specific consonants, affecting the time course of neural phonetic encoding in…

Audio and Speech Processing · Electrical Eng. & Systems 2025-06-26 Yi Wang , Oli Danyi Liu , Peter Bell

A long-standing goal in robotics is to build robots that can perform a wide range of daily tasks from perceptions obtained with their onboard sensors and specified only via natural language. While recently substantial advances have been…

Robotics · Computer Science 2022-08-31 Oier Mees , Lukas Hermann , Wolfram Burgard

A variety of representation learning approaches have been investigated for reinforcement learning; much less attention, however, has been given to investigating the utility of sparse coding. Outside of reinforcement learning, sparse coding…

Artificial Intelligence · Computer Science 2017-07-27 Lei Le , Raksha Kumaraswamy , Martha White

Large language models are increasingly solving tasks that are commonly believed to require human-level reasoning ability. However, these models still perform very poorly on benchmarks of general intelligence such as the Abstraction and…

Artificial Intelligence · Computer Science 2024-07-02 Natasha Butt , Blazej Manczak , Auke Wiggers , Corrado Rainone , David W. Zhang , Michaël Defferrard , Taco Cohen

It is increasingly considered that human speech perception and production both rely on articulatory representations. In this paper, we investigate whether this type of representation could improve the performances of a deep generative model…

Sound · Computer Science 2021-04-08 Marc-Antoine Georges , Laurent Girin , Jean-Luc Schwartz , Thomas Hueber

Audio-visual speech recognition (AVSR) incorporates auditory and visual modalities to improve recognition accuracy, particularly in noisy environments where audio-only speech systems are insufficient. While previous research has largely…

Audio and Speech Processing · Electrical Eng. & Systems 2025-05-01 Sungnyun Kim , Sungwoo Cho , Sangmin Bae , Kangwook Jang , Se-Young Yun

An effective technique for obtaining high-quality representations is adding a projection head on top of the encoder during training, then discarding it and using the pre-projection representations. Despite its proven practical…

Machine Learning · Computer Science 2024-03-19 Yihao Xue , Eric Gan , Jiayi Ni , Siddharth Joshi , Baharan Mirzasoleiman

While supervised learning has enabled great progress in many applications, unsupervised learning has not seen such widespread adoption, and remains an important and challenging endeavor for artificial intelligence. In this work, we propose…

Machine Learning · Computer Science 2019-01-23 Aaron van den Oord , Yazhe Li , Oriol Vinyals

We present our journey in training a speech language model for Wolof, an underrepresented language spoken in West Africa, and share key insights. We first emphasize the importance of collecting large-scale, spontaneous, high-quality…

Computation and Language · Computer Science 2025-09-26 Yaya Sy , Dioula Doucouré , Christophe Cerisara , Irina Illina

The problem of statistical learning is to construct an accurate predictor of a random variable as a function of a correlated random variable on the basis of an i.i.d. training sample from their joint distribution. Allowable predictors are…

Information Theory · Computer Science 2009-04-30 Maxim Raginsky

Predictive coding is an influential model of cortical neural activity. It proposes that perceptual beliefs are furnished by sequentially minimising "prediction errors" - the differences between predicted and observed data. Implicit in this…

Neurons and Cognition · Quantitative Biology 2022-04-07 Alexander Tschantz , Beren Millidge , Anil K Seth , Christopher L Buckley

The representation learning of speech, without textual resources, is an area of significant interest for many low resource speech applications. In this paper, we describe an approach to self-supervised representation learning from raw audio…

Audio and Speech Processing · Electrical Eng. & Systems 2023-07-17 Varun Krishna , Tarun Sai , Sriram Ganapathy

Self-supervised learning (SSL) has led to great strides in speech processing. However, the resources needed to train these models has become prohibitively large as they continue to scale. Currently, only a few groups with substantial…

Computation and Language · Computer Science 2023-06-13 William Chen , Xuankai Chang , Yifan Peng , Zhaoheng Ni , Soumi Maiti , Shinji Watanabe

We introduce a new pre-trainable generic representation for visual-linguistic tasks, called Visual-Linguistic BERT (VL-BERT for short). VL-BERT adopts the simple yet powerful Transformer model as the backbone, and extends it to take both…

Computer Vision and Pattern Recognition · Computer Science 2020-02-19 Weijie Su , Xizhou Zhu , Yue Cao , Bin Li , Lewei Lu , Furu Wei , Jifeng Dai

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

Standard meta-learning for representation learning aims to find a common representation to be shared across multiple tasks. The effectiveness of these methods is often limited when the nuances of the tasks' distribution cannot be captured…

Machine Learning · Computer Science 2021-03-31 Giulia Denevi , Massimiliano Pontil , Carlo Ciliberto

While improvements have been made in automatic speech recognition performance over the last several years, machines continue to have significantly lower performance on accented speech than humans. In addition, the most significant…

Audio and Speech Processing · Electrical Eng. & Systems 2021-04-13 Xiangyun Chu , Elizabeth Combs , Amber Wang , Michael Picheny

In this work, we analyzed and compared speech representations extracted from different frozen self-supervised learning (SSL) speech pre-trained models on their ability to capture articulatory features (AF) information and their subsequent…

Audio and Speech Processing · Electrical Eng. & Systems 2022-06-28 Hang Ji , Tanvina Patel , Odette Scharenborg