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Speech separation involves extracting an individual speaker's voice from a multi-speaker audio signal. The increasing complexity of real-world environments, where multiple speakers might converse simultaneously, underscores the importance…

Audio and Speech Processing · Electrical Eng. & Systems 2024-01-09 Renana Opochinsky , Mordehay Moradi , Sharon Gannot

Symbol detection for Massive Multiple-Input Multiple-Output (MIMO) is a challenging problem for which traditional algorithms are either impractical or suffer from performance limitations. Several recently proposed learning-based approaches…

Signal Processing · Electrical Eng. & Systems 2019-06-12 Mehrdad Khani , Mohammad Alizadeh , Jakob Hoydis , Phil Fleming

Deep-learning recently show great success across disciplines yet conventionally require time-consuming computer processing or bulky-sized diffractive elements. Here we theoretically propose and experimentally demonstrate a purely-passive…

Neural and Evolutionary Computing · Computer Science 2021-01-27 Jingkai Weng , Yujiang Ding , Chengbo Hu , Xue-feng Zhu , Bin Liang , Jing Yang , Jianchun Cheng

This paper presents a low-resource speech-command recognizer combining energy-based voice activity detection (VAD), an optimized Mel-Frequency Cepstral Coefficients (MFCC) pipeline, and the LogNNet reservoir-computing classifier. Using four…

Sound · Computer Science 2025-09-03 Yuriy Izotov , Andrei Velichko

The present paper introduces a deep neural network (DNN) for predicting the instantaneous loudness of a sound from its time waveform. The DNN was trained using the output of a more complex model, called the Cambridge loudness model. While a…

Audio and Speech Processing · Electrical Eng. & Systems 2019-05-28 Josef Schlittenlacher , Richard E. Turner , Brian C. J. Moore

Video Anomaly Detection (VAD) involves detecting anomalous events in videos, presenting a significant and intricate task within intelligent video surveillance. Existing studies often concentrate solely on features acquired from limited…

Computer Vision and Pattern Recognition · Computer Science 2023-09-06 Zhewen Deng , Dongyue Chen , Shizhuo Deng

Current speaker diarization systems rely on an external voice activity detection model prior to speaker embedding extraction on the detected speech segments. In this paper, we establish that the attention system of a speaker embedding…

Audio and Speech Processing · Electrical Eng. & Systems 2024-05-16 Jenthe Thienpondt , Kris Demuynck

Detection of common events and scenes from audio is useful for extracting and understanding human contexts in daily life. Prior studies have shown that leveraging knowledge from a relevant domain is beneficial for a target acoustic event…

This paper introduces WrenNet, an efficient neural network enabling real-time multi-species bird audio classification on low-power microcontrollers for scalable biodiversity monitoring. We propose a semi-learnable spectral feature extractor…

Active speaker detection (ASD) in egocentric videos presents unique challenges due to unstable viewpoints, motion blur, and off-screen speech sources - conditions under which traditional visual-centric methods degrade significantly. We…

Computer Vision and Pattern Recognition · Computer Science 2025-09-30 Yu Wang , Juhyung Ha , David J. Crandall

Partially relevant video retrieval (PRVR) is a practical yet challenging task in text-to-video retrieval, where videos are untrimmed and contain much background content. The pursuit here is of both effective and efficient solutions to…

Computer Vision and Pattern Recognition · Computer Science 2025-04-16 Peipei Song , Long Zhang , Long Lan , Weidong Chen , Dan Guo , Xun Yang , Meng Wang

Advances in machine learning and contactless sensors have enabled the understanding complex human behaviors in a healthcare setting. In particular, several deep learning systems have been introduced to enable comprehensive analysis of…

Computer Vision and Pattern Recognition · Computer Science 2024-03-06 Pengbo Wei , David Ahmedt-Aristizabal , Harshala Gammulle , Simon Denman , Mohammad Ali Armin

Most neural vocoders are limited to one type: either GAN or diffusion-based. While state-of-the-art models like Vocos and WaveNeXt use powerful ConvNeXt-based generators, they have only been used in GAN frameworks and have limited…

Audio and Speech Processing · Electrical Eng. & Systems 2026-05-26 Wangzixi Zhou , Takuma Okamoto , Yamato Ohtani , Sakriani Sakti , Hisashi Kawai

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

Meetings are a common activity in professional contexts, and it remains challenging to endow vocal assistants with advanced functionalities to facilitate meeting management. In this context, a task like active speaker detection can provide…

Computer Vision and Pattern Recognition · Computer Science 2022-06-22 Lionel Pibre , Francisco Madrigal , Cyrille Equoy , Frédéric Lerasle , Thomas Pellegrini , Julien Pinquier , Isabelle Ferrané

We introduce a distinctive real-time, causal, neural network-based active speaker detection system optimized for low-power edge computing. This system drives a virtual cinematography module and is deployed on a commercial device. The system…

Audio and Speech Processing · Electrical Eng. & Systems 2023-09-18 Ilya Gurvich , Ido Leichter , Dharmendar Reddy Palle , Yossi Asher , Alon Vinnikov , Igor Abramovski , Vishak Gopal , Ross Cutler , Eyal Krupka

As wireless communication systems evolve, automatic modulation recognition (AMR) plays a key role in improving spectrum efficiency, especially in cognitive radio systems. Traditional AMR methods face challenges in complex, noisy…

Signal Processing · Electrical Eng. & Systems 2025-10-22 Wangye Jiang , Haoming Yang , Xinyu Lu , Mingyuan Wang , Huimei Sun , Jingya Zhang

Concurrent Speaker Detection (CSD), the task of identifying active speakers and their overlaps in an audio signal, is essential for various audio applications, including meeting transcription, speaker diarization, and speech separation.…

Audio and Speech Processing · Electrical Eng. & Systems 2025-01-16 Amit Eliav , Sharon Gannot

The adoption of multimodal interactions by Voice Assistants (VAs) is growing rapidly to enhance human-computer interactions. Smartwatches have now incorporated trigger-less methods of invoking VAs, such as Raise To Speak (RTS), where the…

Objective: Voice disorders significantly compromise individuals' ability to speak in their daily lives. Without early diagnosis and treatment, these disorders may deteriorate drastically. Thus, automatic classification systems at home are…

Audio and Speech Processing · Electrical Eng. & Systems 2023-04-27 Heng-Cheng Kuo , Yu-Peng Hsieh , Huan-Hsin Tseng , Chi-Te Wang , Shih-Hau Fang , Yu Tsao