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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

Voice activity detection (VAD) is a challenging task in low signal-to-noise ratio (SNR) environment, especially in non-stationary noise. To deal with this issue, we propose a novel attention module that can be integrated in Long Short-Term…

Audio and Speech Processing · Electrical Eng. & Systems 2020-08-26 Joohyung Lee , Youngmoon Jung , Hoirin Kim

This paper evaluates the effectiveness of a Cycle-GAN based voice converter (VC) on four speaker identification (SID) systems and an automated speech recognition (ASR) system for various purposes. Audio samples converted by the VC model are…

Audio and Speech Processing · Electrical Eng. & Systems 2019-05-30 Gokce Keskin , Tyler Lee , Cory Stephenson , Oguz H. Elibol

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…

Active speaker detection (ASD) and virtual cinematography (VC) can significantly improve the remote user experience of a video conference by automatically panning, tilting and zooming of a video conferencing camera: users subjectively rate…

Audio and Speech Processing · Electrical Eng. & Systems 2022-05-26 Ross Cutler , Ramin Mehran , Sam Johnson , Cha Zhang , Adam Kirk , Oliver Whyte , Adarsh Kowdle

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

In this paper, we focus on audio violence detection (AVD). AVD is necessary for several reasons, especially in the context of maintaining safety, preventing harm, and ensuring security in various environments. This calls for accurate AVD…

Audio and Speech Processing · Electrical Eng. & Systems 2024-06-12 Sarthak Jain , Orchid Chetia Phukan , Arun Balaji Buduru , Rajesh Sharma

Improving the performance of end-to-end ASR models on long utterances ranging from minutes to hours in length is an ongoing challenge in speech recognition. A common solution is to segment the audio in advance using a separate voice…

From the existing research it has been observed that many techniques and methodologies are available for performing every step of Automatic Speech Recognition (ASR) system, but the performance (Minimization of Word Error Recognition-WER and…

Computation and Language · Computer Science 2013-03-25 Urmila Shrawankar , Vilas Thakare

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

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

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

The adoption of advanced deep learning architectures in stuttering detection (SD) tasks is challenging due to the limited size of the available datasets. To this end, this work introduces the application of speech embeddings extracted from…

Sound · Computer Science 2023-06-02 Shakeel A. Sheikh , Md Sahidullah , Fabrice Hirsch , Slim Ouni

Visual Anomaly Detection (VAD) is a key task in industrial settings, where minimizing operational costs is essential. Deploying deep learning models within Internet of Things (IoT) environments introduces specific challenges due to limited…

Computer Vision and Pattern Recognition · Computer Science 2025-12-15 Arianna Stropeni , Francesco Borsatti , Manuel Barusco , Davide Dalle Pezze , Marco Fabris , Gian Antonio Susto

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.…

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

Keyword spotting (KWS) and speaker verification (SV) have been studied independently although it is known that acoustic and speaker domains are complementary. In this paper, we propose a multi-task network that performs KWS and SV…

Audio and Speech Processing · Electrical Eng. & Systems 2020-08-10 Myunghun Jung , Youngmoon Jung , Jahyun Goo , Hoirin Kim

In a speech recognition system, voice activity detection (VAD) is a crucial frontend module. Addressing the issues of poor noise robustness in traditional binary VAD systems based on DFSMN, the paper further proposes semantic VAD based on…

Sound · Computer Science 2023-12-25 Lingyun Zuo , Keyu An , Shiliang Zhang , Zhijie Yan

Target-speaker voice activity detection (TS-VAD) has recently shown promising results for speaker diarization on highly overlapped speech. However, the original model requires a fixed (and known) number of speakers, which limits its…

Audio and Speech Processing · Electrical Eng. & Systems 2021-08-10 Maokui He , Desh Raj , Zili Huang , Jun Du , Zhuo Chen , Shinji Watanabe

Personal Voice Activity Detection (PVAD) is crucial for identifying target speaker segments in the mixture, yet its performance heavily depends on the quality of speaker embeddings. A key practical limitation is the short enrollment…

Audio and Speech Processing · Electrical Eng. & Systems 2026-01-21 Fuyuan Feng , Wenbin Zhang , Yu Gao , Longting Xu , Xiaofeng Mou , Yi Xu