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The CHiME challenges have played a significant role in the development and evaluation of robust automatic speech recognition (ASR) systems. We introduce the CHiME-7 distant ASR (DASR) task, within the 7th CHiME challenge. This task…

Speaker-attributed automatic speech recognition (ASR) in multi-speaker environments remains a significant challenge, particularly when systems conditioned on speaker embeddings fail to generalize to unseen speakers. In this work, we propose…

Audio and Speech Processing · Electrical Eng. & Systems 2025-01-03 Alexander Polok , Dominik Klement , Martin Kocour , Jiangyu Han , Federico Landini , Bolaji Yusuf , Matthew Wiesner , Sanjeev Khudanpur , Jan Černocký , Lukáš Burget

Voice activity and overlapped speech detection (respectively VAD and OSD) are key pre-processing tasks for speaker diarization. The final segmentation performance highly relies on the robustness of these sub-tasks. Recent studies have shown…

This challenge aims to evaluate the capabilities of audio encoders, especially in the context of multi-task learning and real-world applications. Participants are invited to submit pre-trained audio encoders that map raw waveforms to…

This paper describes our submission to ICASSP 2022 Multi-channel Multi-party Meeting Transcription (M2MeT) Challenge. For Track 1, we propose several approaches to empower the clustering-based speaker diarization system to handle overlapped…

Sound · Computer Science 2022-02-11 Chen Shen , Yi Liu , Wenzhi Fan , Bin Wang , Shixue Wen , Yao Tian , Jun Zhang , Jingsheng Yang , Zejun Ma

The goal of this paper is speaker diarisation of videos collected 'in the wild'. We make three key contributions. First, we propose an automatic audio-visual diarisation method for YouTube videos. Our method consists of active speaker…

Sound · Computer Science 2021-08-17 Joon Son Chung , Jaesung Huh , Arsha Nagrani , Triantafyllos Afouras , Andrew Zisserman

Speaker diarization, the task of segmenting an audio recording based on speaker identity, constitutes an important speech pre-processing step for several downstream applications.The conventional approach to diarization involves multiple…

Audio and Speech Processing · Electrical Eng. & Systems 2024-12-03 Prachi Singh , Sriram Ganapathy

End-to-end neural speaker diarization systems are able to address the speaker diarization task while effectively handling speech overlap. This work explores the incorporation of speaker information embeddings into the end-to-end systems to…

Sound · Computer Science 2024-07-02 Juan Ignacio Alvarez-Trejos , Beltrán Labrador , Alicia Lozano-Diez

Speaker diarization remains challenging due to the need for structured speaker representations, efficient modeling, and robustness to varying conditions. We propose a performant, compact diarization framework that integrates conformer…

Sound · Computer Science 2025-06-16 David Palzer , Matthew Maciejewski , Eric Fosler-Lussier

Automatic meeting analysis is an essential fundamental technology required to let, e.g. smart devices follow and respond to our conversations. To achieve an optimal automatic meeting analysis, we previously proposed an all-neural approach…

Audio and Speech Processing · Electrical Eng. & Systems 2020-03-10 Keisuke Kinoshita , Marc Delcroix , Shoko Araki , Tomohiro Nakatani

This paper describes the XMUSPEECH speaker recognition and diarisation systems for the VoxCeleb Speaker Recognition Challenge 2021. For track 2, we evaluate two systems including ResNet34-SE and ECAPA-TDNN. For track 4, an important part of…

Audio and Speech Processing · Electrical Eng. & Systems 2021-09-07 Jie Wang , Fuchuang Tong , Zhicong Chen , Lin Li , Qingyang Hong , Haodong Zhou

Neural speaker diarization is widely used for overlap-aware speaker diarization, but it requires large multi-speaker datasets for training. To meet this data requirement, large datasets are often constructed by combining multiple corpora,…

Audio and Speech Processing · Electrical Eng. & Systems 2025-08-26 Shota Horiguchi , Naohiro Tawara , Takanori Ashihara , Atsushi Ando , Marc Delcroix

We propose to address online speaker diarization as a combination of incremental clustering and local diarization applied to a rolling buffer updated every 500ms. Every single step of the proposed pipeline is designed to take full advantage…

Audio and Speech Processing · Electrical Eng. & Systems 2021-09-15 Juan M. Coria , Hervé Bredin , Sahar Ghannay , Sophie Rosset

Many modern systems for speaker diarization, such as the recently-developed VBx approach, rely on clustering of DNN speaker embeddings followed by resegmentation. Two problems with this approach are that the DNN is not directly optimized…

Audio and Speech Processing · Electrical Eng. & Systems 2021-06-16 Kiran Karra , Alan McCree

Speaker diarization, the process of identifying "who spoke when" in audio recordings, is essential for understanding classroom dynamics. However, classroom settings present distinct challenges, including poor recording quality, high levels…

Sound · Computer Science 2025-05-28 Ali Sartaz Khan , Tolulope Ogunremi , Ahmed Adel Attia , Dorottya Demszky

Speaker diarization has gained considerable attention within speech processing research community. Mainstream speaker diarization rely primarily on speakers' voice characteristics extracted from acoustic signals and often overlook the…

Sound · Computer Science 2024-02-06 Luyao Cheng , Siqi Zheng , Qinglin Zhang , Hui Wang , Yafeng Chen , Qian Chen , Shiliang Zhang

The scarcity of labeled audio-visual datasets is a constraint for training superior audio-visual speaker diarization systems. To improve the performance of audio-visual speaker diarization, we leverage pre-trained supervised and…

Audio and Speech Processing · Electrical Eng. & Systems 2023-12-08 Huan Zhao , Li Zhang , Yue Li , Yannan Wang , Hongji Wang , Wei Rao , Qing Wang , Lei Xie

Bayesian HMM clustering of x-vector sequences (VBx) has become a widely adopted diarization baseline model in publications and challenges. It uses an HMM to model speaker turns, a generatively trained probabilistic linear discriminant…

Audio and Speech Processing · Electrical Eng. & Systems 2023-10-05 Dominik Klement , Mireia Diez , Federico Landini , Lukáš Burget , Anna Silnova , Marc Delcroix , Naohiro Tawara

Speech Segmentation is the process change point detection for partitioning an input audio stream into regions each of which corresponds to only one audio source or one speaker. One application of this system is in Speaker Diarization…

Artificial Intelligence · Computer Science 2012-05-09 Behrouz Abdolali , Hossein Sameti

This paper summarizes the JHU team's efforts in tracks 1 and 2 of the CHiME-6 challenge for distant multi-microphone conversational speech diarization and recognition in everyday home environments. We explore multi-array processing…

Audio and Speech Processing · Electrical Eng. & Systems 2020-06-16 Ashish Arora , Desh Raj , Aswin Shanmugam Subramanian , Ke Li , Bar Ben-Yair , Matthew Maciejewski , Piotr Żelasko , Paola García , Shinji Watanabe , Sanjeev Khudanpur