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Related papers: Voice Activity Detection (VAD) in Noisy Environmen…

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Voice Activity Detection (VAD) in the presence of background noise remains a challenging problem in speech processing. Accurate VAD is essential in automatic speech recognition, voice-to-text, conversational agents, etc, where noise can…

Audio and Speech Processing · Electrical Eng. & Systems 2025-07-31 Hamed Jafarzadeh Asl , Mahsa Ghazvini Nejad , Amin Edraki , Masoud Asgharian , Vahid Partovi Nia

Voice Activity Detection (VAD) refers to the problem of distinguishing speech segments from background noise. Numerous approaches have been proposed for this purpose. Some are based on features derived from the power spectral density,…

Sound · Computer Science 2019-03-08 Thomas Drugman , Yannis Stylianou , Yusuke Kida , Masami Akamine

Voice Activity Detection (VAD) is an important pre-processing step in a wide variety of speech processing systems. VAD should in a practical application be able to detect speech in both noisy and noise-free environments, while not…

Audio and Speech Processing · Electrical Eng. & Systems 2022-07-06 Claus Meyer Larsen , Peter Koch , Zheng-Hua Tan

Voice activity detection (VAD) is a critical component in various applications such as speech recognition, speech enhancement, and hands-free communication systems. With the increasing demand for personalized and context-aware technologies,…

Audio and Speech Processing · Electrical Eng. & Systems 2024-06-17 Satyam Kumar , Sai Srujana Buddi , Utkarsh Oggy Sarawgi , Vineet Garg , Shivesh Ranjan , Ognjen , Rudovic , Ahmed Hussen Abdelaziz , Saurabh Adya

In this paper we demonstrate that performance of voice activity detection (VAD) system operating in presence of background noise can be improved by concatenating acoustic input features with electroencephalography (EEG) features. We also…

Sound · Computer Science 2020-03-18 Gautam Krishna , Co Tran , Mason Carnahan , Yan Han , Ahmed H Tewfik

Voice activity detection (VAD) is an essential pre-processing step for tasks such as automatic speech recognition (ASR) and speaker recognition. A basic goal is to remove silent segments within an audio, while a more general VAD system…

Audio and Speech Processing · Electrical Eng. & Systems 2020-09-22 Yefei Chen , Shuai Wang , Yanmin Qian , Kai Yu

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 not easy task when the input audio signal is noisy, and it is even more complicated when the input is not even an audio recording. This is the case with Silent Speech Interfaces (SSI) where we record the…

Sound · Computer Science 2021-09-21 Amin Honarmandi Shandiz , László Tóth

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

Voice activity detection (VAD) remains a challenge in noisy environments. With access to multiple microphones, prior studies have attempted to improve the noise robustness of VAD by creating multi-channel VAD (MVAD) methods. However, MVAD…

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

Voice activity detection (VAD) is an important pre-processing step for speech technology applications. The task consists of deriving segment boundaries of audio signals which contain voicing information. In recent years, it has been shown…

Audio and Speech Processing · Electrical Eng. & Systems 2023-03-28 Eklavya Sarkar , RaviShankar Prasad , Mathew Magimai. -Doss

Voice Activity Detection (VAD) refers to the task of identification of regions of human speech in digital signals such as audio and video. While VAD is a necessary first step in many speech processing systems, it poses challenges when there…

Machine Learning · Computer Science 2020-08-24 Arnab Kumar Mondal , Prathosh A. P

Visual voice activity detection (V-VAD) uses visual features to predict whether a person is speaking or not. V-VAD is useful whenever audio VAD (A-VAD) is inefficient either because the acoustic signal is difficult to analyze or because it…

Computer Vision and Pattern Recognition · Computer Science 2020-10-19 Sylvain Guy , Stéphane Lathuilière , Pablo Mesejo , 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

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

This paper addresses the issue of active speaker detection (ASD) in noisy environments and formulates a robust active speaker detection (rASD) problem. Existing ASD approaches leverage both audio and visual modalities, but non-speech sounds…

Multimedia · Computer Science 2024-04-02 Siva Sai Nagender Vasireddy , Chenxu Zhang , Xiaohu Guo , Yapeng Tian

Voice Activity Detection (VAD) is the process of automatically determining whether a person is speaking and identifying the timing of their speech in an audiovisual data. Traditionally, this task has been tackled by processing either audio…

Computer Vision and Pattern Recognition · Computer Science 2024-10-21 Andrea Appiani , Cigdem Beyan

Voice activity detection (VAD) is essential for speech-driven applications, but remains far from perfect in noisy and resource-limited environments. Existing methods often lack robustness to noise, and their frame-wise classification losses…

Sound · Computer Science 2025-08-29 Chien-Chun Wang , En-Lun Yu , Jeih-Weih Hung , Shih-Chieh Huang , Berlin Chen

The task of voice activity detection (VAD) is an often required module in various speech processing, analysis and classification tasks. While state-of-the-art neural network based VADs can achieve great results, they often exceed…

Audio and Speech Processing · Electrical Eng. & Systems 2021-05-20 Sebastian Braun , Ivan Tashev
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