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Speaker Diarization (SD) is a crucial component of modern end-to-end ASR pipelines. Traditional SD systems, which are typically audio-based and operate independently of ASR, often introduce speaker errors, particularly during speaker…

Audio and Speech Processing · Electrical Eng. & Systems 2025-01-16 Anurag Kumar , Rohit Paturi , Amber Afshan , Sundararajan Srinivasan

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

Speaker diarization determines who spoke and when? in an audio stream. In this study, we propose a model-based approach for robust speaker clustering using i-vectors. The ivectors extracted from different segments of same speaker are…

Sound · Computer Science 2019-07-15 Harishchandra Dubey , Abhijeet Sangwan , John Hansen

The state-of-the-art speaker diarization systems use agglomerative hierarchical clustering (AHC) which performs the clustering of previously learned neural embeddings. While the clustering approach attempts to identify speaker clusters, the…

Audio and Speech Processing · Electrical Eng. & Systems 2021-04-07 Prachi Singh , Sriram Ganapathy

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

The Multi-modal Information based Speech Processing (MISP) challenge aims to extend the application of signal processing technology in specific scenarios by promoting the research into wake-up words, speaker diarization, speech recognition,…

Traditional speaker diarization systems have primarily focused on constrained scenarios such as meetings and interviews, where the number of speakers is limited and acoustic conditions are relatively clean. To explore open-world speaker…

Computer Vision and Pattern Recognition · Computer Science 2026-03-19 Liangbin Huang , Xiaohua Liao , Chaoqun Cui , Shijing Wang , Zhaolong Huang , Yanlong Du , Wenji Mao

The DIarization of SPeaker and LAnguage in Conversational Environments (DISPLACE) 2024 challenge is the second in the series of DISPLACE challenges, which involves tasks of speaker diarization (SD) and language diarization (LD) on a…

Automatic meeting analysis comprises the tasks of speaker counting, speaker diarization, and the separation of overlapped speech, followed by automatic speech recognition. This all has to be carried out on arbitrarily long sessions and,…

Audio and Speech Processing · Electrical Eng. & Systems 2019-02-22 Thilo von Neumann , Keisuke Kinoshita , Marc Delcroix , Shoko Araki , Tomohiro Nakatani , Reinhold Haeb-Umbach

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

Although fully end-to-end speaker diarization systems have made significant progress in recent years, modular systems often achieve superior results in real-world scenarios due to their greater adaptability and robustness. Historically,…

Audio and Speech Processing · Electrical Eng. & Systems 2024-09-26 Ruoyu Wang , Shutong Niu , Gaobin Yang , Jun Du , Shuangqing Qian , Tian Gao , Jia Pan

Speaker Diarization (i.e. determining who spoke and when?) for multi-speaker naturalistic interactions such as Peer-Led Team Learning (PLTL) sessions is a challenging task. In this study, we propose robust speaker clustering based on…

Sound · Computer Science 2018-08-21 Harishchandra Dubey , Abhijeet Sangwan , John H. L. Hansen

This paper proposes an online target speaker voice activity detection system for speaker diarization tasks, which does not require a priori knowledge from the clustering-based diarization system to obtain the target speaker embeddings.…

Audio and Speech Processing · Electrical Eng. & Systems 2022-07-14 Weiqing Wang , Qingjian Lin , Ming Li

This report presents the system developed by the ABSP Laboratory team for the third DIHARD speech diarization challenge. Our main contribution in this work is to develop a simple and efficient solution for acoustic domain dependent speech…

Sound · Computer Science 2021-01-26 A Kishore Kumar , Shefali Waldekar , Goutam Saha , Md Sahidullah

Existing speaker diarization systems typically rely on large amounts of manually annotated data, which is labor-intensive and difficult to obtain, especially in real-world scenarios. Additionally, language-specific constraints in these…

Audio and Speech Processing · Electrical Eng. & Systems 2024-09-13 Phat Lam , Lam Pham , Truong Nguyen , Dat Ngo , Thinh Pham , Tin Nguyen , Loi Khanh Nguyen , Alexander Schindler

In this paper, we present AISHELL-4, a sizable real-recorded Mandarin speech dataset collected by 8-channel circular microphone array for speech processing in conference scenario. The dataset consists of 211 recorded meeting sessions, each…

Sound · Computer Science 2021-08-11 Yihui Fu , Luyao Cheng , Shubo Lv , Yukai Jv , Yuxiang Kong , Zhuo Chen , Yanxin Hu , Lei Xie , Jian Wu , Hui Bu , Xin Xu , Jun Du , Jingdong Chen

We introduce pyannote.audio, an open-source toolkit written in Python for speaker diarization. Based on PyTorch machine learning framework, it provides a set of trainable end-to-end neural building blocks that can be combined and jointly…

Audio and Speech Processing · Electrical Eng. & Systems 2019-11-05 Hervé Bredin , Ruiqing Yin , Juan Manuel Coria , Gregory Gelly , Pavel Korshunov , Marvin Lavechin , Diego Fustes , Hadrien Titeux , Wassim Bouaziz , Marie-Philippe Gill

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-role diarization (RD), such as doctor vs. patient or lawyer vs. client, is practically often more useful than conventional speaker diarization (SD), which assigns only generic labels (speaker-1, speaker-2). The state-of-the-art…

Audio and Speech Processing · Electrical Eng. & Systems 2025-12-23 Arindam Ghosh , Mark Fuhs , Bongjun Kim , Anurag Chowdhury , Monika Woszczyna

Significant progress has recently been made in speaker diarisation after the introduction of d-vectors as speaker embeddings extracted from neural network (NN) speaker classifiers for clustering speech segments. To extract better-performing…

Sound · Computer Science 2021-05-10 Guangzhi Sun , Chao Zhang , Phil Woodland