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Related papers: X-Vector based voice activity detection for multi-…

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Voice Activity Detection (VAD) aims at detecting speech segments on an audio signal, which is a necessary first step for many today's speech based applications. Current state-of-the-art methods focus on training a neural network exploiting…

Audio and Speech Processing · Electrical Eng. & Systems 2022-09-23 Sina Alisamir , Fabien Ringeval , Francois Portet

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 is an essential pre-processing component for speech-related tasks such as automatic speech recognition (ASR). Traditional supervised VAD systems obtain frame-level labels from an ASR pipeline by using, e.g., a…

Sound · Computer Science 2021-05-11 Heinrich Dinkel , Shuai Wang , Xuenan Xu , Mengyue Wu , Kai Yu

For speech interaction, voice activity detection (VAD) is often used as a front-end. However, traditional VAD algorithms usually need to wait for a continuous tail silence to reach a preset maximum duration before segmentation, resulting in…

Audio and Speech Processing · Electrical Eng. & Systems 2023-05-23 Mohan Shi , Yuchun Shu , Lingyun Zuo , Qian Chen , Shiliang Zhang , Jie Zhang , Li-Rong Dai

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

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

Detecting anchor's voice in live musical streams is an important preprocessing for music and speech signal processing. Existing approaches to voice activity detection (VAD) primarily rely on audio, however, audio-based VAD is difficult to…

Sound · Computer Science 2020-11-03 Yuanbo Hou , Yi Deng , Bilei Zhu , Zejun Ma , Dick Botteldooren

Speech applications are expected to be low-power and robust under noisy conditions. An effective Voice Activity Detection (VAD) front-end lowers the computational need. Spiking Neural Networks (SNNs) are known to be biologically plausible…

Sound · Computer Science 2024-03-12 Qu Yang , Qianhui Liu , Nan Li , Meng Ge , Zeyang Song , Haizhou Li

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

This paper presents an unsupervised segment-based method for robust voice activity detection (rVAD). The method consists of two passes of denoising followed by a voice activity detection (VAD) stage. In the first pass, high-energy segments…

Sound · Computer Science 2022-01-12 Zheng-Hua Tan , Achintya kr. Sarkar , Najim Dehak

Voice activity detection (VAD) makes a distinction between speech and non-speech and its performance is of crucial importance for speech based services. Recently, deep neural network (DNN)-based VADs have achieved better performance than…

Audio and Speech Processing · Electrical Eng. & Systems 2020-08-14 Zhenpeng Zheng , Jianzong Wang , Ning Cheng , Jian Luo , Jing Xiao

Speaker diarization for real-life scenarios is an extremely challenging problem. Widely used clustering-based diarization approaches perform rather poorly in such conditions, mainly due to the limited ability to handle overlapping speech.…

Speaker verification (SV) systems using deep neural network embeddings, so-called the x-vector systems, are becoming popular due to its good performance superior to the i-vector systems. The fusion of these systems provides improved…

Audio and Speech Processing · Electrical Eng. & Systems 2018-09-19 Longting Xu , Rohan Kumar Das , Emre Yılmaz , Jichen Yang , Haizhou Li

Robust voice activity detection (VAD) is a challenging task in low signal-to-noise (SNR) environments. Recent studies show that speech enhancement is helpful to VAD, but the performance improvement is limited. To address this issue, here we…

Audio and Speech Processing · Electrical Eng. & Systems 2021-04-14 Xu Tan , Xiao-Lei Zhang

When we use End-to-end automatic speech recognition (E2E-ASR) system for real-world applications, a voice activity detection (VAD) system is usually needed to improve the performance and to reduce the computational cost by discarding…

Audio and Speech Processing · Electrical Eng. & Systems 2022-10-03 Meng Li , Xia Yan , Feng Lin

The audio segmentation mismatch between training data and those seen at run-time is a major problem in direct speech translation. Indeed, while systems are usually trained on manually segmented corpora, in real use cases they are often…

Sound · Computer Science 2021-10-15 Marco Gaido , Matteo Negri , Mauro Cettolo , Marco Turchi

This paper integrates a voice activity detection (VAD) function with end-to-end automatic speech recognition toward an online speech interface and transcribing very long audio recordings. We focus on connectionist temporal classification…

Audio and Speech Processing · Electrical Eng. & Systems 2020-03-16 Takenori Yoshimura , Tomoki Hayashi , Kazuya Takeda , Shinji Watanabe

Many articles have used voice analysis to detect Parkinson's disease (PD), but few have focused on the early stages of the disease and the gender effect. In this article, we have adapted the latest speaker recognition system, called…

Robots are becoming everyday devices, increasing their interaction with humans. To make human-machine interaction more natural, cognitive features like Visual Voice Activity Detection (VVAD), which can detect whether a person is speaking or…

Computer Vision and Pattern Recognition · Computer Science 2024-01-03 Adrian Lubitz , Matias Valdenegro-Toro , Frank Kirchner

Recent advances in Visual Anomaly Detection (VAD) have introduced sophisticated algorithms leveraging embeddings generated by pre-trained feature extractors. Inspired by these developments, we investigate the adaptation of such algorithms…