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Large Audio-Language Models (LALMs) have demonstrated remarkable performance in end-to-end speaker diarization and recognition. However, their speaker discriminability remains limited due to the scarcity of large-scale conversational data…

This paper describes an effective unsupervised speaker indexing approach. We suggest a two stage algorithm to speed-up the state-of-the-art algorithm based on the Bayesian Information Criterion (BIC). In the first stage of the merging…

Sound · Computer Science 2010-09-27 Konstantin Biatov

More and more neural network approaches have achieved considerable improvement upon submodules of speaker diarization system, including speaker change detection and segment-wise speaker embedding extraction. Still, in the clustering stage,…

Audio and Speech Processing · Electrical Eng. & Systems 2019-12-02 Qingjian Lin , Ruiqing Yin , Ming Li , Hervé Bredin , Claude Barras

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

Speaker diarization is a task to label audio or video recordings with classes that correspond to speaker identity, or in short, a task to identify "who spoke when". In the early years, speaker diarization algorithms were developed for…

Audio and Speech Processing · Electrical Eng. & Systems 2021-11-29 Tae Jin Park , Naoyuki Kanda , Dimitrios Dimitriadis , Kyu J. Han , Shinji Watanabe , Shrikanth Narayanan

Speaker diarization, which is to find the speech segments of specific speakers, has been widely used in human-centered applications such as video conferences or human-computer interaction systems. In this paper, we propose a self-supervised…

Audio and Speech Processing · Electrical Eng. & Systems 2020-02-14 Yifan Ding , Yong Xu , Shi-Xiong Zhang , Yahuan Cong , Liqiang Wang

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

In this paper, we propose an iterative framework for self-supervised speaker representation learning based on a deep neural network (DNN). The framework starts with training a self-supervision speaker embedding network by maximizing…

Audio and Speech Processing · Electrical Eng. & Systems 2020-10-29 Danwei Cai , Weiqing Wang , Ming Li

Speaker identification typically involves three stages. First, a front-end speaker embedding model is trained to embed utterance and speaker profiles. Second, a scoring function is applied between a runtime utterance and each speaker…

Audio and Speech Processing · Electrical Eng. & Systems 2022-02-22 Zhenning Tan , Yuguang Yang , Eunjung Han , Andreas Stolcke

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

Speaker diarisation systems often cluster audio segments using speaker embeddings such as i-vectors and d-vectors. Since different types of embeddings are often complementary, this paper proposes a generic framework to improve performance…

Computation and Language · Computer Science 2019-02-11 Guangzhi Sun , Chao Zhang , Phil Woodland

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

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

The performance of speaker diarization is strongly affected by its clustering algorithm at the test stage. However, it is known that clustering algorithms are sensitive to random noises and small variations, particularly when the clustering…

Audio and Speech Processing · Electrical Eng. & Systems 2019-10-25 Meng-Zhen Li , Xiao-Lei Zhang

Self-supervised speech representation models have succeeded in various tasks, but improving them for content-related problems using unlabeled data is challenging. We propose speaker-invariant clustering (Spin), a novel self-supervised…

Computation and Language · Computer Science 2023-05-19 Heng-Jui Chang , Alexander H. Liu , James Glass

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

When dealing with overlapped speech, the performance of automatic speech recognition (ASR) systems substantially degrades as they are designed for single-talker speech. To enhance ASR performance in conversational or meeting environments,…

Audio and Speech Processing · Electrical Eng. & Systems 2023-11-16 Hassan Taherian , DeLiang Wang

Speaker diarization based on bottom-up clustering of speech segments by acoustic similarity is often highly sensitive to the choice of hyperparameters, such as the initial number of clusters and feature weighting. Optimizing these…

Computation and Language · Computer Science 2022-02-22 Andreas Stolcke

Speaker diarization has gained considerable attention within speech processing research community. Mainstream speaker diarization rely primarily on speakers' voice characteristics extracted from acoustic signals and often overlook the…

Sound · Computer Science 2024-02-06 Luyao Cheng , Siqi Zheng , Qinglin Zhang , Hui Wang , Yafeng Chen , Qian Chen , Shiliang Zhang

Since the first speech recognition systems were built more than 30 years ago, improvement in voice technology has enabled applications such as smart assistants and automated customer support. However, conversation intelligence of the future…

Audio and Speech Processing · Electrical Eng. & Systems 2024-02-15 Desh Raj