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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

We study device-addressed speech detection under pre-ASR edge deployment constraints, where systems must decide whether to forward audio before transcription under strict latency and compute limits. We show that, in multi-speaker…

Sound · Computer Science 2026-04-10 David Joohun Kim , Daniyal Anjum , Bonny Banerjee , Omar Abbasi

Modern adversarial campaigns unfold as sequences of behavioural phases - Reconnaissance, Lateral Movement, Intrusion, and Exfiltration - each often indistinguishable from legitimate traffic when viewed in isolation. Existing intrusion…

Cryptography and Security · Computer Science 2026-04-03 Prakul Sunil Hiremath , PeerAhammad M Bagawan , Sahil Bhekane

Temporal Action Localization (TAL) aims to predict both action category and temporal boundary of action instances in untrimmed videos, i.e., start and end time. Fully-supervised solutions are usually adopted in most existing works, and…

Computer Vision and Pattern Recognition · Computer Science 2022-12-02 Ding Li , Xuebing Yang , Yongqiang Tang , Chenyang Zhang , Wensheng Zhang

Recently, the attention mechanism such as squeeze-and-excitation module (SE) and convolutional block attention module (CBAM) has achieved great success in deep learning-based speaker verification system. This paper introduces an alternative…

Sound · Computer Science 2021-10-14 Xiaoyi Qin , Na Li , Chao Weng , Dan Su , Ming Li

In our experience of working with domain experts who are using today's AutoML systems, a common problem we encountered is what we call "unrealistic expectations" -- when users are facing a very challenging task with a noisy data acquisition…

Machine Learning · Computer Science 2022-08-31 Cedric Renggli , Luka Rimanic , Luka Kolar , Wentao Wu , Ce Zhang

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

Sound event detection (SED) is typically posed as a supervised learning problem requiring training data with strong temporal labels of sound events. However, the production of datasets with strong labels normally requires unaffordable labor…

Sound · Computer Science 2018-11-02 Dezhi Wang , Lilun Zhang , Changchun Bao , Kele Xu , Boqing Zhu , Qiuqiang Kong

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

Existing speech editing detection (SED) datasets are predominantly constructed using manual splicing or limited editing operations, resulting in restricted diversity and poor coverage of realistic editing scenarios. Meanwhile, current SED…

Sound · Computer Science 2026-05-26 Jun Xue , Yi Chai , Yanzhen Ren , Jinshen He , Zhiqiang Tang , Zhuolin Yi , Yihuan Huang , Yuankun Xie , Yujie Chen

This paper presents a transfer learning method in speech emotion recognition based on a Time-Delay Neural Network (TDNN) architecture. A major challenge in the current speech-based emotion detection research is data scarcity. The proposed…

Audio and Speech Processing · Electrical Eng. & Systems 2020-08-18 Sitong Zhou , Homayoon Beigi

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

Although deep learning algorithms are widely used for improving speech enhancement (SE) performance, the performance remains limited under highly challenging conditions, such as unseen noise or noise signals having low signal-to-noise…

Audio and Speech Processing · Electrical Eng. & Systems 2021-06-10 Yu-Wen Chen , Kuo-Hsuan Hung , Shang-Yi Chuang , Jonathan Sherman , Xugang Lu , Yu Tsao

Detecting actions as they occur is essential for applications like video surveillance, autonomous driving, and human-robot interaction. Known as online action detection, this task requires classifying actions in streaming videos, handling…

Computer Vision and Pattern Recognition · Computer Science 2026-01-30 Manuel Benavent-Lledo , David Mulero-Pérez , David Ortiz-Perez , Jose Garcia-Rodriguez

The Detection and Classification of Acoustic Scenes and Events Challenge Task 4 aims to advance sound event detection (SED) systems in domestic environments by leveraging training data with different supervision uncertainty. Participants…

Audio and Speech Processing · Electrical Eng. & Systems 2024-06-13 Samuele Cornell , Janek Ebbers , Constance Douwes , Irene Martín-Morató , Manu Harju , Annamaria Mesaros , Romain Serizel

Wearable audio devices with active noise control (ANC) enhance listening comfort but often at the expense of situational awareness. However, this auditory isolation may mask crucial environmental cues, posing significant safety risks. To…

Audio and Speech Processing · Electrical Eng. & Systems 2025-10-09 Jun-Wei Yeow , Ee-Leng Tan , Santi Peksi , Zhen-Ting Ong , Woon-Seng Gan

This paper focuses on few-shot Sound Event Detection (SED), which aims to automatically recognize and classify sound events with limited samples. However, prevailing methods methods in few-shot SED predominantly rely on segment-level…

Sound · Computer Science 2024-03-20 Liang Zou , Genwei Yan , Ruoyu Wang , Jun Du , Meng Lei , Tian Gao , Xin Fang

While log-amplitude mel-spectrogram has widely been used as the feature representation for processing speech based on deep learning, the effectiveness of another aspect of speech spectrum, i.e., phase information, was shown recently for…

Sound · Computer Science 2022-05-02 Shunsuke Hidaka , Kohei Wakamiya , Tokihiko Kaburagi

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

Speech emotion recognition systems have high prediction latency because of the high computational requirements for deep learning models and low generalizability mainly because of the poor reliability of emotional measurements across…

Sound · Computer Science 2023-02-23 Abdul Rehman , Zhen-Tao Liu , Min Wu , Wei-Hua Cao , Cheng-Shan Jiang