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Speaker diarization has been mainly developed based on the clustering of speaker embeddings. However, the clustering-based approach has two major problems; i.e., (i) it is not optimized to minimize diarization errors directly, and (ii) it…

Audio and Speech Processing · Electrical Eng. & Systems 2019-09-16 Yusuke Fujita , Naoyuki Kanda , Shota Horiguchi , Yawen Xue , Kenji Nagamatsu , Shinji Watanabe

This work presents a novel approach to leverage lexical information for speaker diarization. We introduce a speaker diarization system that can directly integrate lexical as well as acoustic information into a speaker clustering process.…

Computation and Language · Computer Science 2019-01-08 Tae Jin Park , Kyu Han , Ian Lane , Panayiotis Georgiou

We introduce DIVE, an end-to-end speaker diarization algorithm. Our neural algorithm presents the diarization task as an iterative process: it repeatedly builds a representation for each speaker before predicting the voice activity of each…

Sound · Computer Science 2021-05-31 Neil Zeghidour , Olivier Teboul , David Grangier

Previous works have shown that spatial location information can be complementary to speaker embeddings for a speaker diarisation task. However, the models used often assume that speakers are fairly stationary throughout a meeting. This…

Machine Learning · Computer Science 2021-09-27 Jeremy H. M. Wong , Igor Abramovski , Xiong Xiao , Yifan Gong

In this paper, we propose a novel neural speaker diarization system using memory-aware multi-speaker embedding with sequence-to-sequence architecture (NSD-MS2S), which integrates a memory-aware multi-speaker embedding module with a…

Sound · Computer Science 2025-06-18 Gaobin Yang , Maokui He , Shutong Niu , Ruoyu Wang , Hang Chen , Jun Du

Multi-talker overlapped speech recognition remains a significant challenge, requiring not only speech recognition but also speaker diarization tasks to be addressed. In this paper, to better address these tasks, we first introduce speaker…

Sound · Computer Science 2023-12-19 Peng Shen , Xugang Lu , Hisashi Kawai

Speaker-attributed automatic speech recognition (ASR) in multi-speaker environments remains a major challenge. While some approaches achieve strong performance when fine-tuned on specific domains, few systems generalize well across…

Audio and Speech Processing · Electrical Eng. & Systems 2026-01-28 Alexander Polok , Dominik Klement , Samuele Cornell , Matthew Wiesner , Jan Černocký , Sanjeev Khudanpur , Lukáš Burget

We propose a spatio-spectral, combined model-based and data-driven diarization pipeline consisting of TDOA-based segmentation followed by embedding-based clustering. The proposed system requires neither access to multi-channel training data…

Audio and Speech Processing · Electrical Eng. & Systems 2025-09-01 Tobias Cord-Landwehr , Tobias Gburrek , Marc Deegen , Reinhold Haeb-Umbach

Speaker identification is a powerful, non-invasive and in-expensive biometric technique. The recognition accuracy, however, deteriorates when noise levels affect a specific band of frequency. In this paper, we present a sub-band based…

Machine Learning · Computer Science 2007-05-23 Unathi Mahola , Fulufhelo V. Nelwamondo , Tshilidzi Marwala

More and more neural network approaches have achieved considerable improvement upon submodules of speaker diarization system, including speaker change detection and segment-wise speaker embedding extraction. Still, in the clustering stage,…

Audio and Speech Processing · Electrical Eng. & Systems 2019-12-02 Qingjian Lin , Ruiqing Yin , Ming Li , Hervé Bredin , Claude Barras

Speaker diarization has been investigated extensively as an important central task for meeting analysis. Recent trend shows that integration of end-to-end neural (EEND)-and clustering-based diarization is a promising approach to handle…

Audio and Speech Processing · Electrical Eng. & Systems 2022-02-15 Keisuke Kinoshita , Marc Delcroix , Tomoharu Iwata

In recent years, the remarkable advancements in deep neural networks have brought tremendous convenience. However, the training process of a highly effective model necessitates a substantial quantity of samples, which brings huge potential…

Sound · Computer Science 2024-09-13 Zhisheng Zhang , Pengyang Huang

Labeling of sequential data is a prevalent meta-problem for a wide range of real world applications. While the first-order Hidden Markov Models (HMM) provides a fundamental approach for unsupervised sequential labeling, the basic model does…

Machine Learning · Computer Science 2019-04-08 Maoying Qiao , Wei Bian , Richard Yida Xu , Dacheng Tao

End-to-end speaker diarization approaches have shown exceptional performance over the traditional modular approaches. To further improve the performance of the end-to-end speaker diarization for real speech recordings, recently works have…

Sound · Computer Science 2022-04-19 Chenyu Yang , Yu Wang

Speaker embeddings are promising identity-related features that can enhance the identity assignment performance of a tracking system by leveraging its spatial predictions, i.e, by performing identity reassignment. Common speaker embedding…

Audio and Speech Processing · Electrical Eng. & Systems 2025-08-21 Taous Iatariene , Alexandre Guérin , Romain Serizel

This paper presents a new approach for unsupervised Spoken Term Detection with spoken queries using multiple sets of acoustic patterns automatically discovered from the target corpus. The different pattern HMM configurations(number of…

Computation and Language · Computer Science 2015-09-09 Cheng-Tao Chung , Chun-an Chan , Lin-shan Lee

Identifying the identity of the speaker of short segments in human dialogue has been considered one of the most challenging problems in speech signal processing. Speaker representations of short speech segments tend to be unreliable,…

Audio and Speech Processing · Electrical Eng. & Systems 2020-11-23 Tae Jin Park , Manoj Kumar , Shrikanth Narayanan

Speaker embedding extractors significantly influence the performance of clustering-based speaker diarisation systems. Conventionally, only one embedding is extracted from each speech segment. However, because of the sliding window approach,…

Sound · Computer Science 2022-11-09 Hee-Soo Heo , Youngki Kwon , Bong-Jin Lee , You Jin Kim , Jee-weon Jung

Speaker Diarization (SD) consists of splitting or segmenting an input audio burst according to speaker identities. In this paper, we focus on the crucial task of the SD problem which is the audio segmenting process and suggest a solution…

Computation and Language · Computer Science 2020-06-03 O. H. Anidjar , C. Hajaj , A. Dvir , I. Gilad

This paper details our speaker diarization system designed for multi-domain, multi-microphone casual conversations. The proposed diarization pipeline uses weighted prediction error (WPE)-based dereverberation as a front end, then applies…

Audio and Speech Processing · Electrical Eng. & Systems 2023-09-25 Naohiro Tawara , Marc Delcroix , Atsushi Ando , Atsunori Ogawa