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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

Audiovisual active speaker detection (ASD) is conventionally performed by modelling the temporal synchronisation of acoustic and visual speech cues. In egocentric recordings, however, the efficacy of synchronisation-based methods is…

Multimedia · Computer Science 2025-06-24 Jason Clarke , Yoshihiko Gotoh , Stefan Goetze

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 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

Continuous speech separation using a microphone array was shown to be promising in dealing with the speech overlap problem in natural conversation transcription. This paper proposes VarArray, an array-geometry-agnostic speech separation…

Audio and Speech Processing · Electrical Eng. & Systems 2021-10-27 Takuya Yoshioka , Xiaofei Wang , Dongmei Wang , Min Tang , Zirun Zhu , Zhuo Chen , Naoyuki Kanda

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

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

Voice Activity Detection (VAD) and Overlapped Speech Detection (OSD) are key pre-processing tasks for speaker diarization. In the meeting context, it is often easier to capture speech with a distant device. This consideration however leads…

Audio and Speech Processing · Electrical Eng. & Systems 2024-02-14 Théo Mariotte , Anthony Larcher , Silvio Montrésor , Jean-Hugh Thomas

Target-speaker voice activity detection is currently a promising approach for speaker diarization in complex acoustic environments. This paper presents a novel Sequence-to-Sequence Target-Speaker Voice Activity Detection (Seq2Seq-TSVAD)…

Audio and Speech Processing · Electrical Eng. & Systems 2023-02-21 Ming Cheng , Weiqing Wang , Yucong Zhang , Xiaoyi Qin , Ming Li

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

Video Anomaly Detection (VAD) aims to automatically analyze spatiotemporal patterns in surveillance videos collected from open spaces to detect anomalous events that may cause harm, such as fighting, stealing, and car accidents. However,…

Computer Vision and Pattern Recognition · Computer Science 2025-07-01 Yang Liu , Siao Liu , Xiaoguang Zhu , Jielin Li , Hao Yang , Liangyu Teng , Juncen Guo , Yan Wang , Dingkang Yang , Jing Liu

With the recent surge of video conferencing tools usage, providing high-quality speech signals and accurate captions have become essential to conduct day-to-day business or connect with friends and families. Single-channel personalized…

Audio and Speech Processing · Electrical Eng. & Systems 2021-10-22 Hassan Taherian , Sefik Emre Eskimez , Takuya Yoshioka , Huaming Wang , Zhuo Chen , Xuedong Huang

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 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

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…

Sociometric badges are an emerging technology for study how teams interact in physical places. Audio data recorded by sociometric badges is often downsampled to not record discussions of the sociometric badges holders. To gain more…

Augmented reality devices have the potential to enhance human perception and enable other assistive functionalities in complex conversational environments. Effectively capturing the audio-visual context necessary for understanding these…

Computer Vision and Pattern Recognition · Computer Science 2022-01-07 Hao Jiang , Calvin Murdock , Vamsi Krishna Ithapu

Audio-visual recognition (AVR) has been considered as a solution for speech recognition tasks when the audio is corrupted, as well as a visual recognition method used for speaker verification in multi-speaker scenarios. The approach of AVR…

Computer Vision and Pattern Recognition · Computer Science 2017-11-01 Amirsina Torfi , Seyed Mehdi Iranmanesh , Nasser M. Nasrabadi , Jeremy Dawson

Bias in speech emotion recognition (SER) systems often stems from spurious correlations between speaker characteristics and emotional labels, leading to unfair predictions across demographic groups. Many existing debiasing methods require…

Audio and Speech Processing · Electrical Eng. & Systems 2025-11-17 Yun-Shao Tsai , Yi-Cheng Lin , Huang-Cheng Chou , Hung-yi Lee

Though playing an essential role in smart home systems, smart speakers are vulnerable to voice spoofing attacks. Passive liveness detection, which utilizes only the collected audio rather than the deployed sensors to distinguish between…

Cryptography and Security · Computer Science 2025-10-29 Yan Meng , Jiachun Li , Matthew Pillari , Arjun Deopujari , Liam Brennan , Hafsah Shamsie , Haojin Zhu , Yuan Tian