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Speaker diarization remains challenging due to the need for structured speaker representations, efficient modeling, and robustness to varying conditions. We propose a performant, compact diarization framework that integrates conformer…

Sound · Computer Science 2025-06-16 David Palzer , Matthew Maciejewski , Eric Fosler-Lussier

Conventional methods for speaker diarization involve windowing an audio file into short segments to extract speaker embeddings, followed by an unsupervised clustering of the embeddings. This multi-step approach generates speaker assignments…

Sound · Computer Science 2023-02-27 Prachi Singh , Amrit Kaul , Sriram Ganapathy

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

In the task of speaker diarization, the number of small-scale meetings accounts for a large proportion. When microphone arrays are employed as a recording device, its spatial information is usually ignored by most researchers. In this…

Sound · Computer Science 2022-10-27 Yuxuan Du , Ruohua Zhou

This work presents a novel approach to leverage lexical information for speaker diarization. We introduce a speaker diarization system that can directly integrate lexical as well as acoustic information into a speaker clustering process.…

Computation and Language · Computer Science 2019-01-08 Tae Jin Park , Kyu Han , Ian Lane , Panayiotis Georgiou

This paper investigates the utilization of an end-to-end diarization model as post-processing of conventional clustering-based diarization. Clustering-based diarization methods partition frames into clusters of the number of speakers; thus,…

Audio and Speech Processing · Electrical Eng. & Systems 2020-12-24 Shota Horiguchi , Paola Garcia , Yusuke Fujita , Shinji Watanabe , Kenji Nagamatsu

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

We address the problem of acoustic source separation in a deep learning framework we call "deep clustering." Rather than directly estimating signals or masking functions, we train a deep network to produce spectrogram embeddings that are…

Neural and Evolutionary Computing · Computer Science 2015-08-19 John R. Hershey , Zhuo Chen , Jonathan Le Roux , Shinji Watanabe

The goal of this paper is to adapt speaker embeddings for solving the problem of speaker diarisation. The quality of speaker embeddings is paramount to the performance of speaker diarisation systems. Despite this, prior works in the field…

Audio and Speech Processing · Electrical Eng. & Systems 2021-04-08 Youngki Kwon , Jee-weon Jung , Hee-Soo Heo , You Jin Kim , Bong-Jin Lee , Joon Son Chung

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. By…

Audio and Speech Processing · Electrical Eng. & Systems 2023-10-16 Weiqing Wang , Ming Li

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

Recently, we proposed a novel speaker diarization method called End-to-End-Neural-Diarization-vector clustering (EEND-vector clustering) that integrates clustering-based and end-to-end neural network-based diarization approaches into one…

Audio and Speech Processing · Electrical Eng. & Systems 2021-09-01 Keisuke Kinoshita , Marc Delcroix , Naohiro Tawara

For online speaker diarization, samples arrive incrementally, and the overall distribution of the samples is invisible. Moreover, in most existing clustering-based methods, the training objective of the embedding extractor is not designed…

Audio and Speech Processing · Electrical Eng. & Systems 2022-06-29 Yifan Chen , Yifan Guo , Qingxuan Li , Gaofeng Cheng , Pengyuan Zhang , Yonghong Yan

We propose a new speaker diarization system based on a recently introduced unsupervised clustering technique namely, generative adversarial network mixture model (GANMM). The proposed system uses x-vectors as front-end representation.…

Audio and Speech Processing · Electrical Eng. & Systems 2019-10-28 Monisankha Pal , Manoj Kumar , Raghuveer Peri , Shrikanth Narayanan

Recent studies have shown that pseudo labels can contribute to unsupervised domain adaptation (UDA) for speaker verification. Inspired by the self-training strategies that use an existing classifier to label the unlabeled data for…

Machine Learning · Computer Science 2023-06-21 Haiquan Mao , Feng Hong , Man-wai Mak

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

Over the last few years, deep learning has grown in popularity for speaker verification, identification, and diarization. Inarguably, a significant part of this success is due to the demonstrated effectiveness of their speaker…

Sound · Computer Science 2022-10-07 Yehoshua Dissen , Felix Kreuk , Joseph Keshet

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

Spectral clustering has shown a superior performance in analyzing the cluster structure. However, its computational complexity limits its application in analyzing large-scale data. To address this problem, many low-rank matrix approximating…

Machine Learning · Computer Science 2020-07-23 Djallel Bouneffouf

Speaker diarization relies on the assumption that speech segments corresponding to a particular speaker are concentrated in a specific region of the speaker space; a region which represents that speaker's identity. These identities are not…

Audio and Speech Processing · Electrical Eng. & Systems 2021-02-09 Nikolaos Flemotomos , Panayiotis Georgiou , Shrikanth Narayanan