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Speech activity detection (SAD), which often rests on the fact that the noise is "more" stationary than speech, is particularly challenging in non-stationary environments, because the time variance of the acoustic scene makes it difficult…

Audio and Speech Processing · Electrical Eng. & Systems 2020-07-29 Jens Heitkaemper , Joerg Schmalenstroeer , Reinhold Haeb-Umbach

Speech Activity Detection (SAD) systems often misclassify singing as speech, leading to degraded performance in applications such as dialogue enhancement and automatic speech recognition. We introduce Singing-Robust Speech Activity…

Audio and Speech Processing · Electrical Eng. & Systems 2025-12-11 Philipp Grundhuber , Mhd Modar Halimeh , Martin Strauß , Emanuël A. P. Habets

In the realm of digital audio processing, Voice Activity Detection (VAD) plays a pivotal role in distinguishing speech from non-speech elements, a task that becomes increasingly complex in noisy environments. This paper details the…

Sound · Computer Science 2023-12-12 Joshua Ball

To better model the contextual information and increase the generalization ability of Speech Activity Detection (SAD) system, this paper leverages a multi-lingual Automatic Speech Recognition (ASR) system to perform SAD. Sequence…

Sound · Computer Science 2021-04-13 Seyyed Saeed Sarfjoo , Srikanth Madikeri , Petr Motlicek

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

Under noisy conditions, automatic speech recognition (ASR) can greatly benefit from the addition of visual signals coming from a video of the speaker's face. However, when multiple candidate speakers are visible this traditionally requires…

Audio and Speech Processing · Electrical Eng. & Systems 2022-05-12 Otavio Braga , Olivier Siohan

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

Due to the superior modeling ability of deep neural network (DNN), it is widely used in voice activity detection (VAD). However, the performance may degrade if no sufficient data especially for practical data could be used for training,…

Sound · Computer Science 2020-05-19 Lu Ma , Xiaomeng Zhang , Pei Zhao , Tengrong Su

Speech activity detection (SAD) plays an important role in current speech processing systems, including automatic speech recognition (ASR). SAD is particularly difficult in environments with acoustic noise. A practical solution is to…

Computation and Language · Computer Science 2023-05-15 Fei Tao , Carlos Busso

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 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), 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

We propose supervised systems for speech activity detection (SAD) and speaker identification (SID) tasks in Fearless Steps Challenge Phase-2. The proposed systems for both the tasks share a common convolutional neural network (CNN)…

Audio and Speech Processing · Electrical Eng. & Systems 2020-06-11 Karthik Pandia D S , Cosimo Spera

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 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

Audiovisual active speaker detection (ASD) addresses the task of determining the speech activity of a candidate speaker given acoustic and visual data. Typically, systems model the temporal correspondence of audiovisual cues, such as the…

Multimedia · Computer Science 2025-02-11 Jason Clarke , Yoshihiko Gotoh , Stefan Goetze

This paper presents a novel framework for Speech Activity Detection (SAD). Inspired by the recent success of multi-task learning approaches in the speech processing domain, we propose a novel joint learning framework for SAD. We utilise…

Audio and Speech Processing · Electrical Eng. & Systems 2020-04-06 Tharindu Fernando , Sridha Sridharan , Mitchell McLaren , Darshana Priyasad , Simon Denman , Clinton Fookes

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

Speech Activity Detection (SAD), locating speech segments within an audio recording, is a main part of most speech technology applications. Robust SAD is usually more difficult in noisy conditions with varying signal-to-noise ratios (SNR).…

Sound · Computer Science 2021-06-22 Omid Ghahabi , Volker Fischer

Target-Speaker Voice Activity Detection (TS-VAD) is the task of detecting the presence of speech from a known target-speaker in an audio frame. Recently, deep neural network-based models have shown good performance in this task. However,…

Audio and Speech Processing · Electrical Eng. & Systems 2025-01-07 Holger Severin Bovbjerg , Jan Østergaard , Jesper Jensen , Zheng-Hua Tan
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