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Speech applications dealing with conversations require not only recognizing the spoken words but also determining who spoke when. The task of assigning words to speakers is typically addressed by merging the outputs of two separate systems,…

Computation and Language · Computer Science 2024-09-04 Grigor Kirakosyan , Davit Karamyan

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

This paper introduces an online speaker diarization system that can handle long-time audio with low latency. We enable Agglomerative Hierarchy Clustering (AHC) to work in an online fashion by introducing a label matching algorithm. This…

Audio and Speech Processing · Electrical Eng. & Systems 2022-06-27 Yucong Zhang , Qinjian Lin , Weiqing Wang , Lin Yang , Xuyang Wang , Junjie Wang , Ming Li

Deep speaker embedding models have been commonly used as a building block for speaker diarization systems; however, the speaker embedding model is usually trained according to a global loss defined on the training data, which could be…

Audio and Speech Processing · Electrical Eng. & Systems 2020-05-26 Jixuan Wang , Xiong Xiao , Jian Wu , Ranjani Ramamurthy , Frank Rudzicz , Michael Brudno

Probabilistic Linear Discriminant Analysis (PLDA) has become state-of-the-art method for modeling $i$-vector space in speaker recognition task. However the performance degradation is observed if enrollment data size differs from one speaker…

Computation and Language · Computer Science 2016-02-24 Danila Doroshin , Nikolay Lubimov , Marina Nastasenko , Mikhail Kotov

For many years, i-vector based audio embedding techniques were the dominant approach for speaker verification and speaker diarization applications. However, mirroring the rise of deep learning in various domains, neural network based audio…

Audio and Speech Processing · Electrical Eng. & Systems 2022-01-25 Quan Wang , Carlton Downey , Li Wan , Philip Andrew Mansfield , Ignacio Lopez Moreno

Tutoring dialogues have gained significant attention in recent years, given the prominence of online learning and the emerging tutoring abilities of artificial intelligence (AI) agents powered by large language models (LLMs). Recent studies…

Computation and Language · Computer Science 2025-07-10 Fareya Ikram , Alexander Scarlatos , Andrew Lan

Conversational tutoring systems (CTSs) aim to help students master educational material with natural language interaction in the form of a dialog. CTSs have become a key pillar in educational data mining research. A key challenge in CTSs is…

Computation and Language · Computer Science 2023-02-28 Lingzhi Wang , Mrinmaya Sachan , Xingshan Zeng , Kam-Fai Wong

While recent research advances in speaker diarization mostly focus on improving the quality of diarization results, there is also an increasing interest in improving the efficiency of diarization systems. In this paper, we demonstrate that…

Audio and Speech Processing · Electrical Eng. & Systems 2024-01-09 Quan Wang , Yiling Huang , Han Lu , Guanlong Zhao , Ignacio Lopez Moreno

This paper presents the problems and solutions addressed at the JSALT workshop when using a single microphone for speaker detection in adverse scenarios. The main focus was to tackle a wide range of conditions that go from meetings to wild…

We propose a new method for speaker diarization that can handle overlapping speech with 2+ people. Our method is based on compositional embeddings [1]: Like standard speaker embedding methods such as x-vector [2], compositional embedding…

Sound · Computer Science 2021-02-11 Zeqian Li , Jacob Whitehill

Speaker Diarization (SD) systems are typically audio-based and operate independently of the ASR system in traditional speech transcription pipelines and can have speaker errors due to SD and/or ASR reconciliation, especially around speaker…

Audio and Speech Processing · Electrical Eng. & Systems 2024-06-26 Rohit Paturi , Xiang Li , Sundararajan Srinivasan

Speakers may move around while diarisation is being performed. When a microphone array is used, the instantaneous locations of where the sounds originated from can be estimated, and previous investigations have shown that such information…

Sound · Computer Science 2021-09-24 Jeremy H. M. Wong , Yifan Gong

Speaker diarization is connected to semantic segmentation in computer vision. Inspired from MaskFormer \cite{cheng2021per} which treats semantic segmentation as a set-prediction problem, we propose an end-to-end approach to predict a set of…

Sound · Computer Science 2021-12-15 Yongquan Lai , Xin Tang , Yuanyuan Fu , Rui Fang

Keyword spotting systems often struggle to generalize to a diverse population with various accents and age groups. To address this challenge, we propose a novel approach that integrates speaker information into keyword spotting using…

Audio and Speech Processing · Electrical Eng. & Systems 2023-11-08 Beltrán Labrador , Pai Zhu , Guanlong Zhao , Angelo Scorza Scarpati , Quan Wang , Alicia Lozano-Diez , Alex Park , Ignacio López Moreno

In speaker diarisation, speaker embedding extraction models often suffer from the mismatch between their training loss functions and the speaker clustering method. In this paper, we propose the method of spectral clustering-aware learning…

Sound · Computer Science 2023-03-16 Evonne P. C. Lee , Guangzhi Sun , Chao Zhang , Philip C. Woodland

In multilingual societies, social conversations often involve code-mixed speech. The current speech technology may not be well equipped to extract information from multi-lingual multi-speaker conversations. The DISPLACE challenge entails a…

Audio and Speech Processing · Electrical Eng. & Systems 2023-06-06 Shikha Baghel , Shreyas Ramoji , Sidharth , Ranjana H , Prachi Singh , Somil Jain , Pratik Roy Chowdhuri , Kaustubh Kulkarni , Swapnil Padhi , Deepu Vijayasenan , Sriram Ganapathy

Accurately detecting dysfluencies in spoken language can help to improve the performance of automatic speech and language processing components and support the development of more inclusive speech and language technologies. Inspired by the…

The state-of-art approach to speaker verification involves the extraction of discriminative embeddings like x-vectors followed by a generative model back-end using a probabilistic linear discriminant analysis (PLDA). In this paper, we…

Audio and Speech Processing · Electrical Eng. & Systems 2020-02-10 Shreyas Ramoji , Prashant Krishnan , Prachi Singh , Sriram Ganapathy

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