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Training Transformer-based models demands a large amount of data, while obtaining aligned and labelled data in multimodality is rather cost-demanding, especially for audio-visual speech recognition (AVSR). Thus it makes a lot of sense to…

Sound · Computer Science 2022-03-29 Xichen Pan , Peiyu Chen , Yichen Gong , Helong Zhou , Xinbing Wang , Zhouhan Lin

We present a novel approach to multilingual audio-visual speech recognition tasks by introducing a single model on a multilingual dataset. Motivated by a human cognitive system where humans can intuitively distinguish different languages…

Multimedia · Computer Science 2023-10-24 Joanna Hong , Se Jin Park , Yong Man Ro

In this paper, we investigate how to learn rich and robust feature representations for audio classification from visual data and acoustic images, a novel audio data modality. Former models learn audio representations from raw signals or…

Computer Vision and Pattern Recognition · Computer Science 2020-02-12 Andrés F. Pérez , Valentina Sanguineti , Pietro Morerio , Vittorio Murino

Active speaker detection is a challenging task in audio-visual scenario understanding, which aims to detect who is speaking in one or more speakers scenarios. This task has received extensive attention as it is crucial in applications such…

Computer Vision and Pattern Recognition · Computer Science 2023-03-09 Junhua Liao , Haihan Duan , Kanghui Feng , Wanbing Zhao , Yanbing Yang , Liangyin Chen

In this study, we propose an encoder-decoder structured system with fully convolutional networks to implement voice activity detection (VAD) directly on the time-domain waveform. The proposed system processes the input waveform to identify…

Audio and Speech Processing · Electrical Eng. & Systems 2020-06-22 Cheng Yu , Kuo-Hsuan Hung , I-Fan Lin , Szu-Wei Fu , Yu Tsao , Jeih-weih Hung

An important challenge in emotion recognition is to develop methods that can leverage unlabeled training data. In this paper, we propose the VQ-MAE-AV model, a self-supervised multimodal model that leverages masked autoencoders to learn…

Sound · Computer Science 2025-05-12 Samir Sadok , Simon Leglaive , Renaud Séguier

Multi-modal based speech separation has exhibited a specific advantage on isolating the target character in multi-talker noisy environments. Unfortunately, most of current separation strategies prefer a straightforward fusion based on…

Sound · Computer Science 2022-03-08 Junwen Xiong , Peng Zhang , Lei Xie , Wei Huang , Yufei Zha , Yanning Zhang

Speech-driven facial video generation has been a complex problem due to its multi-modal aspects namely audio and video domain. The audio comprises lots of underlying features such as expression, pitch, loudness, prosody(speaking style) and…

Computer Vision and Pattern Recognition · Computer Science 2020-12-15 Neeraj Kumar , Srishti Goel , Ankur Narang , Brejesh Lall

The objective of this paper is to learn representations of speaker identity without access to manually annotated data. To do so, we develop a self-supervised learning objective that exploits the natural cross-modal synchrony between faces…

Audio and Speech Processing · Electrical Eng. & Systems 2020-05-05 Arsha Nagrani , Joon Son Chung , Samuel Albanie , Andrew Zisserman

Variational auto-encoders (VAEs) are deep generative latent variable models that can be used for learning the distribution of complex data. VAEs have been successfully used to learn a probabilistic prior over speech signals, which is then…

Sound · Computer Science 2020-12-18 Mostafa Sadeghi , Simon Leglaive , Xavier Alameda-PIneda , Laurent Girin , Radu Horaud

Voice activity detection (VAD) is the task of detecting speech in an audio stream, which is challenging due to numerous unseen noises and low signal-to-noise ratios in real environments. Recently, neural network-based VADs have alleviated…

Sound · Computer Science 2024-05-28 Jidong Jia , Pei Zhao , Di Wang

Speaker diarization, the process of identifying "who spoke when" in audio recordings, is essential for understanding classroom dynamics. However, classroom settings present distinct challenges, including poor recording quality, high levels…

Sound · Computer Science 2025-05-28 Ali Sartaz Khan , Tolulope Ogunremi , Ahmed Adel Attia , Dorottya Demszky

We propose a novel voice activity detection (VAD) model in a low-resource environment. Our key idea is to model VAD as a denoising task, and construct a network that is designed to identify nuisance features for a speech classification…

Audio and Speech Processing · Electrical Eng. & Systems 2022-10-31 Jonathan Svirsky , Ofir Lindenbaum

Recently, variational autoencoders have been successfully used to learn a probabilistic prior over speech signals, which is then used to perform speech enhancement. However, variational autoencoders are trained on clean speech only, which…

Audio and Speech Processing · Electrical Eng. & Systems 2021-05-18 Guillaume Carbajal , Julius Richter , Timo Gerkmann

Robust detection of moving vehicles is a critical task for any autonomously operating outdoor robot or self-driving vehicle. Most modern approaches for solving this task rely on training image-based detectors using large-scale vehicle…

Computer Vision and Pattern Recognition · Computer Science 2022-06-14 Jannik Zürn , Wolfram Burgard

Voice Activity Detection (VAD) is a fundamental module in many audio applications. Recent state-of-the-art VAD systems are often based on neural networks, but they require a computational budget that usually exceeds the capabilities of a…

Audio and Speech Processing · Electrical Eng. & Systems 2022-12-07 Niccolo' Polvani , Damien Ronssin , Milos Cernak

We propose a novel self-supervised approach for learning audio and visual representations from unlabeled videos, based on their correspondence. The approach uses an attention mechanism to learn the relative importance of convolutional…

Computer Vision and Pattern Recognition · Computer Science 2024-12-11 Sudha Krishnamurthy

Recently, self-supervised pre-training has shown significant improvements in many areas of machine learning, including speech and NLP. We propose using large self-supervised pre-trained models for both audio and text modality with…

Audio and Speech Processing · Electrical Eng. & Systems 2021-08-24 Krishna D N

This work presents a novel framework based on feed-forward neural network for text-independent speaker classification and verification, two related systems of speaker recognition. With optimized features and model training, it achieves 100%…

Sound · Computer Science 2017-03-20 Zhenhao Ge , Ananth N. Iyer , Srinath Cheluvaraja , Ram Sundaram , Aravind Ganapathiraju

We propose an approach for training speaker identification models in a weakly supervised manner. We concentrate on the setting where the training data consists of a set of audio recordings and the speaker annotation is provided only at the…

Sound · Computer Science 2018-06-25 Martin Karu , Tanel Alumäe