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End-to-end speaker diarization for an unknown number of speakers is addressed in this paper. Recently proposed end-to-end speaker diarization outperformed conventional clustering-based speaker diarization, but it has one drawback: it is…

Audio and Speech Processing · Electrical Eng. & Systems 2020-10-06 Shota Horiguchi , Yusuke Fujita , Shinji Watanabe , Yawen Xue , Kenji Nagamatsu

Deep clustering is a recently introduced deep learning architecture that uses discriminatively trained embeddings as the basis for clustering. It was recently applied to spectrogram segmentation, resulting in impressive results on…

Machine Learning · Computer Science 2016-07-11 Yusuf Isik , Jonathan Le Roux , Zhuo Chen , Shinji Watanabe , John R. Hershey

Speaker Diarization (SD) aims at grouping speech segments that belong to the same speaker. This task is required in many speech-processing applications, such as rich meeting transcription. In this context, distant microphone arrays usually…

Sound · Computer Science 2024-06-06 Theo Mariotte , Anthony Larcher , Silvio Montresor , Jean-Hugh Thomas

Estimating the positions of multiple speakers can be helpful for tasks like automatic speech recognition or speaker diarization. Both applications benefit from a known speaker position when, for instance, applying beamforming or assigning…

In multi-speaker applications is common to have pre-computed models from enrolled speakers. Using these models to identify the instances in which these speakers intervene in a recording is the task of speaker tracking. In this paper, we…

This paper describes the speaker diarization systems developed for the Second DIHARD Speech Diarization Challenge (DIHARD II) by the Speed team. Besides describing the system, which considerably outperformed the challenge baselines, we also…

Using a Teacher-Student training approach we developed a speaker embedding extraction system that outputs embeddings at frame rate. Given this high temporal resolution and the fact that the student produces sensible speaker embeddings even…

Audio and Speech Processing · Electrical Eng. & Systems 2023-06-02 Tobias Cord-Landwehr , Christoph Boeddeker , Cătălin Zorilă , Rama Doddipatla , Reinhold Haeb-Umbach

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

We present a hybrid framework that leverages the trade-off between temporal and frequency precision in audio representations to improve the performance of speech enhancement task. We first show that conventional approaches using specific…

Audio and Speech Processing · Electrical Eng. & Systems 2018-12-24 Jang-Hyun Kim , Jaejun Yoo , Sanghyuk Chun , Adrian Kim , Jung-Woo Ha

Speaker diarization is necessary for interpreting conversations transcribed using automated speech recognition (ASR) tools. Despite significant developments in diarization methods, diarization accuracy remains an issue. Here, we investigate…

Audio and Speech Processing · Electrical Eng. & Systems 2025-03-18 Georgios Efstathiadis , Vijay Yadav , Anzar Abbas

Majority of speech signals across different scenarios are never available with well-defined audio segments containing only a single speaker. A typical conversation between two speakers consists of segments where their voices overlap,…

Audio and Speech Processing · Electrical Eng. & Systems 2022-05-20 Siddharth S. Nijhawan , Homayoon Beigi

Speaker diarization, usually denoted as the ''who spoke when'' task, turns out to be particularly challenging when applied to fictional films, where many characters talk in various acoustic conditions (background music, sound effects...).…

Multimedia · Computer Science 2019-04-22 Xavier Bost , Georges Linares

In this paper, we present a novel multi-channel speech extraction system to simultaneously extract multiple clean individual sources from a mixture in noisy and reverberant environments. The proposed method is built on an improved…

Audio and Speech Processing · Electrical Eng. & Systems 2021-06-17 Jisi Zhang , Catalin Zorila , Rama Doddipatla , Jon Barker

We proposed a novel machine learning framework to conduct real-time multi-speaker diarization and recognition without prior registration and pretraining in a fully online learning setting. Our contributions are two-fold. First, we proposed…

Machine Learning · Computer Science 2021-12-28 Baihan Lin , Xinxin Zhang

Most neural speaker diarization systems rely on sufficient manual training data labels, which are hard to collect under real-world scenarios. This paper proposes a semi-supervised speaker diarization system to utilize large-scale…

Audio and Speech Processing · Electrical Eng. & Systems 2023-07-18 Shilong Wu , Jun Du , Maokui He , Shutong Niu , Hang Chen , Haitao Tang , Chin-Hui Lee

In hours-long meeting scenarios, real-time speech stream often struggles with achieving accurate speaker diarization, commonly leading to speaker identification and speaker count errors. To address this challenge, we propose SCDiar, a…

Audio and Speech Processing · Electrical Eng. & Systems 2025-01-29 Naijun Zheng , Xucheng Wan , Kai Liu , Zhou Huan

Several advances have been made recently towards handling overlapping speech for speaker diarization. Since speech and natural language tasks often benefit from ensemble techniques, we propose an algorithm for combining outputs from such…

Audio and Speech Processing · Electrical Eng. & Systems 2020-11-05 Desh Raj , Leibny Paola Garcia-Perera , Zili Huang , Shinji Watanabe , Daniel Povey , Andreas Stolcke , Sanjeev Khudanpur

In this paper, we present a novel framework that jointly performs three tasks: speaker diarization, speech separation, and speaker counting. Our proposed framework integrates speaker diarization based on end-to-end neural diarization (EEND)…

Audio and Speech Processing · Electrical Eng. & Systems 2022-12-19 Soumi Maiti , Yushi Ueda , Shinji Watanabe , Chunlei Zhang , Meng Yu , Shi-Xiong Zhang , Yong Xu

Speaker diarisation systems nowadays use embeddings generated from speech segments in a bottleneck layer, which are needed to be discriminative for unseen speakers. It is well-known that large-margin training can improve the generalisation…

Audio and Speech Processing · Electrical Eng. & Systems 2020-07-07 Yassir Fathullah , Chao Zhang , Philip C. Woodland

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