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Voice activity detection (VAD) improves the performance of speaker verification (SV) by preserving speech segments and attenuating the effects of non-speech. However, this scheme is not ideal: (1) it fails in noisy environments or…

Sound · Computer Science 2023-06-01 Zuheng Kang , Jianzong Wang , Junqing Peng , Jing Xiao

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

This paper describes our submission to Task 1 of the Short-duration Speaker Verification (SdSV) challenge 2020. Task 1 is a text-dependent speaker verification task, where both the speaker and phrase are required to be verified. The…

Audio and Speech Processing · Electrical Eng. & Systems 2020-10-23 Sung Hwan Mun , Woo Hyun Kang , Min Hyun Han , Nam Soo Kim

Active speaker detection requires a solid integration of multi-modal cues. While individual modalities can approximate a solution, accurate predictions can only be achieved by explicitly fusing the audio and visual features and modeling…

Computer Vision and Pattern Recognition · Computer Science 2021-10-06 Juan León-Alcázar , Fabian Caba Heilbron , Ali Thabet , Bernard Ghanem

Deep convolutional neural networks (CNNs) have been applied to extracting speaker embeddings with significant success in speaker verification. Incorporating the attention mechanism has shown to be effective in improving the model…

Audio and Speech Processing · Electrical Eng. & Systems 2022-11-01 Jingyu Li , Yusheng Tian , Tan Lee

Active Speaker Detection (ASD) aims to identify who is speaking in each frame of a video. ASD reasons from audio and visual information from two contexts: long-term intra-speaker context and short-term inter-speaker context. Long-term…

Computer Vision and Pattern Recognition · Computer Science 2024-04-02 Xizi Wang , Feng Cheng , Gedas Bertasius , David Crandall

We held the second installment of the VoxCeleb Speaker Recognition Challenge in conjunction with Interspeech 2020. The goal of this challenge was to assess how well current speaker recognition technology is able to diarise and recognize…

Conventional audio-visual approaches for active speaker detection (ASD) typically rely on visually pre-extracted face tracks and the corresponding single-channel audio to find the speaker in a video. Therefore, they tend to fail every time…

Audio and Speech Processing · Electrical Eng. & Systems 2023-12-22 Davide Berghi , Philip J. B. Jackson

Transformer has achieved extraordinary performance in Natural Language Processing and Computer Vision tasks thanks to its powerful self-attention mechanism, and its variant Conformer has become a state-of-the-art architecture in the field…

Audio and Speech Processing · Electrical Eng. & Systems 2023-01-18 Dexin Liao , Tao Jiang , Feng Wang , Lin Li , Qingyang Hong

Self-supervised learning approaches have lately achieved great success on a broad spectrum of machine learning problems. In the field of speech processing, one of the most successful recent self-supervised models is wav2vec 2.0. In this…

Audio and Speech Processing · Electrical Eng. & Systems 2023-05-10 Marie Kunešová , Zbyněk Zajíc

Audio-visual automatic speech recognition is a promising approach to robust ASR under noisy conditions. However, up until recently it had been traditionally studied in isolation assuming the video of a single speaking face matches the…

Audio and Speech Processing · Electrical Eng. & Systems 2022-05-13 Otavio Braga , Olivier Siohan

We present an approach to tackle the speaker recognition problem using Triplet Neural Networks. Currently, the $i$-vector representation with probabilistic linear discriminant analysis (PLDA) is the most commonly used technique to solve…

Sound · Computer Science 2019-10-07 Kin Wai Cheuk , Balamurali B. T. , Gemma Roig , Dorien Herremans

The first Chinese Continuous Visual Speech Recognition Challenge aimed to probe the performance of Large Vocabulary Continuous Visual Speech Recognition (LVC-VSR) on two tasks: (1) Single-speaker VSR for a particular speaker and (2)…

Computation and Language · Computer Science 2024-06-18 Chen Chen , Zehua Liu , Xiaolou Li , Lantian Li , Dong Wang

We propose the ViNet architecture for audio-visual saliency prediction. ViNet is a fully convolutional encoder-decoder architecture. The encoder uses visual features from a network trained for action recognition, and the decoder infers a…

Computer Vision and Pattern Recognition · Computer Science 2021-08-10 Samyak Jain , Pradeep Yarlagadda , Shreyank Jyoti , Shyamgopal Karthik , Ramanathan Subramanian , Vineet Gandhi

This paper is a pioneering work attempting to address abstract visual reasoning (AVR) problems for large vision-language models (VLMs). We make a common LLaVA-NeXT 7B model capable of perceiving and reasoning about specific AVR problems,…

Computer Vision and Pattern Recognition · Computer Science 2025-04-03 Ke Zhu , Yu Wang , Jiangjiang Liu , Qunyi Xie , Shanshan Liu , Gang Zhang

This paper delineates the visual speech recognition (VSR) system introduced by the NPU-ASLP (Team 237) in the second Chinese Continuous Visual Speech Recognition Challenge (CNVSRC 2024), engaging in all four tracks, including the fixed and…

Computer Vision and Pattern Recognition · Computer Science 2024-09-13 He Wang , Lei Xie

The ACII Affective Vocal Bursts (A-VB) competition introduces a new topic in affective computing, which is understanding emotional expression using the non-verbal sound of humans. We are familiar with emotion recognition via verbal vocal or…

Audio and Speech Processing · Electrical Eng. & Systems 2022-10-04 Dang-Khanh Nguyen , Sudarshan Pant , Ngoc-Huynh Ho , Guee-Sang Lee , Soo-Huyng Kim , Hyung-Jeong Yang

Voice Activity Detection (VAD) is a fundamental preprocessing step in automatic speech recognition. This is especially true within the broadcast industry where a wide variety of audio materials and recording conditions are encountered.…

Audio and Speech Processing · Electrical Eng. & Systems 2021-12-10 Misa Ogura , Matt Haynes

The second Automatic Speaker Verification Spoofing and Countermeasures challenge (ASVspoof 2017) focused on "replay attack" detection. The best deep-learning systems to compete in ASVspoof 2017 used Convolutional Neural Networks (CNNs) as a…

Audio and Speech Processing · Electrical Eng. & Systems 2018-05-24 Bhusan Chettri , Saumitra Mishra , Bob L. Sturm , Emmanouil Benetos

Voice activity detection (VAD), which classifies frames as speech or non-speech, is an important module in many speech applications including speaker verification. In this paper, we propose a novel method, called self-adaptive soft VAD, to…

Audio and Speech Processing · Electrical Eng. & Systems 2020-02-25 Youngmoon Jung , Yeunju Choi , Hoirin Kim