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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

Deep clustering is a deep neural network-based speech separation algorithm that first trains the mixed component of signals with high-dimensional embeddings, and then uses a clustering algorithm to separate each mixture of sources. In this…

Audio and Speech Processing · Electrical Eng. & Systems 2019-01-16 Soyeon Choe , Soo-Whan Chung , Youna Ji , Hong-Goo Kang

The objective of this work is to train noise-robust speaker embeddings adapted for speaker diarisation. Speaker embeddings play a crucial role in the performance of diarisation systems, but they often capture spurious information such as…

Sound · Computer Science 2022-11-04 You Jin Kim , Hee-Soo Heo , Jee-weon Jung , Youngki Kwon , Bong-Jin Lee , Joon Son Chung

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

End-to-end speaker diarization enables accurate overlap-aware diarization by jointly estimating multiple speakers' speech activities in parallel. This approach is data-hungry, requiring a large amount of labeled conversational data, which…

Audio and Speech Processing · Electrical Eng. & Systems 2025-06-02 Shota Horiguchi , Atsushi Ando , Marc Delcroix , Naohiro Tawara

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…

Computation and Language · Computer Science 2019-07-12 Laurent El Shafey , Hagen Soltau , Izhak Shafran

In this paper, we propose Discriminative Neural Clustering (DNC) that formulates data clustering with a maximum number of clusters as a supervised sequence-to-sequence learning problem. Compared to traditional unsupervised clustering…

Audio and Speech Processing · Electrical Eng. & Systems 2020-11-24 Qiujia Li , Florian L. Kreyssig , Chao Zhang , Philip C. Woodland

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

This paper introduces a novel approach to speaker-attributed ASR transcription using a neural clustering method. With a parallel processing mechanism, diarisation and ASR can be applied simultaneously, helping to prevent the accumulation of…

Audio and Speech Processing · Electrical Eng. & Systems 2024-09-04 Xianrui Zheng , Guangzhi Sun , Chao Zhang , Philip C. Woodland

Obtaining high-quality speaker embeddings in multi-speaker conditions is crucial for many applications. A recently proposed guided speaker embedding framework, which utilizes speech activities of target and non-target speakers as clues,…

Audio and Speech Processing · Electrical Eng. & Systems 2025-06-17 Shota Horiguchi , Takanori Ashihara , Marc Delcroix , Atsushi Ando , Naohiro Tawara

Multi-speaker automatic speech recognition (ASR) aims to transcribe conversational speech involving multiple speakers, requiring the model to capture not only what was said, but also who said it and sometimes when it was spoken. Recent…

Audio and Speech Processing · Electrical Eng. & Systems 2026-04-27 Li Li , Ming Cheng , Weixin Zhu , Yannan Wang , Juan Liu , Ming Li

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

This paper describes a method for overlap-aware speaker diarization. Given an overlap detector and a speaker embedding extractor, our method performs spectral clustering of segments informed by the output of the overlap detector. This is…

Audio and Speech Processing · Electrical Eng. & Systems 2020-11-06 Desh Raj , Zili Huang , Sanjeev Khudanpur

Speaker diarization is the process of labeling different speakers in a speech signal. Deep speaker embeddings are generally extracted from short speech segments and clustered to determine the segments belong to same speaker identity. The…

Audio and Speech Processing · Electrical Eng. & Systems 2021-05-18 Myungjong Kim , Vijendra Raj Apsingekar , Divya Neelagiri

In this paper, we propose a novel approach for the transcription of speech conversations with natural speaker overlap, from single channel speech recordings. The proposed model is a combination of a speaker diarization system and a hybrid…

Audio and Speech Processing · Electrical Eng. & Systems 2022-08-30 Srikanth Raj Chetupalli , Sriram Ganapathy

This paper proposes a method for extracting speaker embedding for each speaker from a variable-length recording containing multiple speakers. Speaker embeddings are crucial not only for speaker recognition but also for various multi-speaker…

Audio and Speech Processing · Electrical Eng. & Systems 2024-09-02 Shota Horiguchi , Atsushi Ando , Takafumi Moriya , Takanori Ashihara , Hiroshi Sato , Naohiro Tawara , Marc Delcroix

Recent diarization technologies can be categorized into two approaches, i.e., clustering and end-to-end neural approaches, which have different pros and cons. The clustering-based approaches assign speaker labels to speech regions by…

Audio and Speech Processing · Electrical Eng. & Systems 2021-02-08 Keisuke Kinoshita , Marc Delcroix , Naohiro Tawara

This paper presents a method for phoneme-level prosody control of F0 and duration on a multispeaker text-to-speech setup, which is based on prosodic clustering. An autoregressive attention-based model is used, incorporating multispeaker…

A huge number of multi-participant dialogues happen online every day, which leads to difficulty in understanding the nature of dialogue dynamics for both humans and machines. Dialogue disentanglement aims at separating an entangled dialogue…

Computation and Language · Computer Science 2023-02-17 Jingsheng Gao , Zeyu Li , Suncheng Xiang , Ting Liu , Yuzhuo Fu

Large language models (LLMs) have shown great promise for capturing contextual information in natural language processing tasks. We propose a novel approach to speaker diarization that incorporates the prowess of LLMs to exploit contextual…

Audio and Speech Processing · Electrical Eng. & Systems 2023-09-15 Tae Jin Park , Kunal Dhawan , Nithin Koluguri , Jagadeesh Balam