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Attractor-based end-to-end diarization is achieving comparable accuracy to the carefully tuned conventional clustering-based methods on challenging datasets. However, the main drawback is that it cannot deal with the case where the number…

Audio and Speech Processing · Electrical Eng. & Systems 2021-09-24 Shota Horiguchi , Shinji Watanabe , Paola Garcia , Yawen Xue , Yuki Takashima , Yohei Kawaguchi

Speaker diarization systems are challenged by a trade-off between the temporal resolution and the fidelity of the speaker representation. By obtaining a superior temporal resolution with an enhanced accuracy, a multi-scale approach is a way…

Audio and Speech Processing · Electrical Eng. & Systems 2022-03-31 Tae Jin Park , Nithin Rao Koluguri , Jagadeesh Balam , Boris Ginsburg

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

Speaker clustering is an essential step in conventional speaker diarization systems and is typically addressed as an audio-only speech processing task. The language used by the participants in a conversation, however, carries additional…

Audio and Speech Processing · Electrical Eng. & Systems 2022-07-12 Nikolaos Flemotomos , Shrikanth Narayanan

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

Subsequence clustering of multivariate time series is a useful tool for discovering repeated patterns in temporal data. Once these patterns have been discovered, seemingly complicated datasets can be interpreted as a temporal sequence of…

Machine Learning · Computer Science 2018-05-16 David Hallac , Sagar Vare , Stephen Boyd , Jure Leskovec

While there has been substantial amount of work in speaker diarization recently, there are few efforts in jointly employing lexical and acoustic information for speaker segmentation. Towards that, we investigate a speaker diarization system…

Audio and Speech Processing · Electrical Eng. & Systems 2018-05-29 Tae Jin Park , Panayiotis Georgiou

Learning robust speaker embeddings is a crucial step in speaker diarization. Deep neural networks can accurately capture speaker discriminative characteristics and popular deep embeddings such as x-vectors are nowadays a fundamental…

Audio and Speech Processing · Electrical Eng. & Systems 2021-09-14 Nauman Dawalatabad , Mirco Ravanelli , François Grondin , Jenthe Thienpondt , Brecht Desplanques , Hwidong Na

In this paper, we address the problem of speaker recognition in challenging acoustic conditions using a novel method to extract robust speaker-discriminative speech representations. We adopt a recently proposed unsupervised adversarial…

Audio and Speech Processing · Electrical Eng. & Systems 2019-11-05 Raghuveer Peri , Monisankha Pal , Arindam Jati , Krishna Somandepalli , Shrikanth Narayanan

We propose a modular pipeline for the single-channel separation, recognition, and diarization of meeting-style recordings and evaluate it on the Libri-CSS dataset. Using a Continuous Speech Separation (CSS) system with a TF-GridNet…

Audio and Speech Processing · Electrical Eng. & Systems 2024-05-07 Thilo von Neumann , Christoph Boeddeker , Tobias Cord-Landwehr , Marc Delcroix , Reinhold Haeb-Umbach

This paper describes the Microsoft speaker diarization system for monaural multi-talker recordings in the wild, evaluated at the diarization track of the VoxCeleb Speaker Recognition Challenge(VoxSRC) 2020. We will first explain our system…

Audio and Speech Processing · Electrical Eng. & Systems 2020-10-26 Xiong Xiao , Naoyuki Kanda , Zhuo Chen , Tianyan Zhou , Takuya Yoshioka , Sanyuan Chen , Yong Zhao , Gang Liu , Yu Wu , Jian Wu , Shujie Liu , Jinyu Li , Yifan Gong

Traditional speech separation and speaker diarization approaches rely on prior knowledge of target speakers or a predetermined number of participants in audio signals. To address these limitations, recent advances focus on developing…

Peer-led team learning (PLTL) is a model for teaching STEM courses where small student groups meet periodically to collaboratively discuss coursework. Automatic analysis of PLTL sessions would help education researchers to get insight into…

Sound · Computer Science 2016-06-24 Harishchandra Dubey , Lakshmish Kaushik , Abhijeet Sangwan , John H. L. Hansen

Overlapped speech is notoriously problematic for speaker diarization systems. Consequently, the use of speech separation has recently been proposed to improve their performance. Although promising, speech separation models struggle with…

Audio and Speech Processing · Electrical Eng. & Systems 2024-02-02 Elio Gruttadauria , Mathieu Fontaine , Slim Essid

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

This paper describes our speaker diarization system submitted to the Multi-channel Multi-party Meeting Transcription (M2MeT) challenge, where Mandarin meeting data were recorded in multi-channel format for diarization and automatic speech…

Audio and Speech Processing · Electrical Eng. & Systems 2022-02-07 Naijun Zheng , Na Li , Xixin Wu , Lingwei Meng , Jiawen Kang , Haibin Wu , Chao Weng , Dan Su , Helen Meng

In automatic speech processing systems, speaker diarization is a crucial front-end component to separate segments from different speakers. Inspired by the recent success of deep neural networks (DNNs) in semantic inferencing, triplet…

Audio and Speech Processing · Electrical Eng. & Systems 2018-08-07 Huan Song , Megan Willi , Jayaraman J. Thiagarajan , Visar Berisha , Andreas Spanias

Self-supervised-learning-based pre-trained models for speech data, such as Wav2Vec 2.0 (W2V2), have become the backbone of many speech tasks. In this paper, to achieve speaker diarisation and speech recognition using a single model, a…

Audio and Speech Processing · Electrical Eng. & Systems 2022-07-11 Xianrui Zheng , Chao Zhang , Philip C. Woodland

Recently, the speaker clustering model based on aggregation hierarchy cluster (AHC) is a common method to solve two main problems: no preset category number clustering and fix category number clustering. In general, model takes features…

Audio and Speech Processing · Electrical Eng. & Systems 2020-03-05 Chen Feng , Jianzong Wang , Tongxu Li , Junqing Peng , Jing Xiao

Our focus lies in developing an online speaker diarisation framework which demonstrates robust performance across diverse domains. In online speaker diarisation, outputs generated in real-time are irreversible, and a few misjudgements in…

Audio and Speech Processing · Electrical Eng. & Systems 2022-11-10 Youngki Kwon , Hee-Soo Heo , Bong-Jin Lee , You Jin Kim , Jee-weon Jung