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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

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

With the evolution of the concept of Speaker diarization using LSTM, it is relatively easier to understand the speaker identities for specific segments of input audio stream data than manually tagging the data. With such a concept, it is…

Sound · Computer Science 2021-12-14 Sujay Uday Rittikar

Speaker-attributed automatic speech recognition (ASR) in multi-speaker environments remains a significant challenge, particularly when systems conditioned on speaker embeddings fail to generalize to unseen speakers. In this work, we propose…

Audio and Speech Processing · Electrical Eng. & Systems 2025-01-03 Alexander Polok , Dominik Klement , Martin Kocour , Jiangyu Han , Federico Landini , Bolaji Yusuf , Matthew Wiesner , Sanjeev Khudanpur , Jan Černocký , Lukáš Burget

In this study, we present an innovative technique for speaker adaptation in order to improve the accuracy of segmentation with application to unit-selection Text-To-Speech (TTS) systems. Unlike conventional techniques for speaker…

Audio and Speech Processing · Electrical Eng. & Systems 2020-05-01 Claudio Zito , Fabio Tesser , Mauro Nicolao , Piero Cosi

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

In this paper we propose a new method of speaker diarization that employs a deep learning architecture to learn speaker embeddings. In contrast to the traditional approaches that build their speaker embeddings using manually hand-crafted…

Sound · Computer Science 2017-09-18 Pawel Cyrta , Tomasz Trzciński , Wojciech Stokowiec

Micro and survey datasets often contain private information about individuals, like their health status, income or political preferences. Previous studies have shown that, even after data anonymization, a malicious intruder could still be…

Applications · Statistics 2024-08-26 Marco Battiston , Lorenzo Rimella

Speaker diarization accuracy can be affected by both acoustics and conversation characteristics. Determining the cause of diarization errors is difficult because speaker voice acoustics and conversation structure co-vary, and the…

Audio and Speech Processing · Electrical Eng. & Systems 2021-06-11 Scott Seyfarth , Sundararajan Srinivasan , Katrin Kirchhoff

Speaker diarization is an essential step for processing multi-speaker audio. Although an end-to-end neural diarization (EEND) method achieved state-of-the-art performance, it is limited to a fixed number of speakers. In this paper, we solve…

Audio and Speech Processing · Electrical Eng. & Systems 2020-06-03 Yusuke Fujita , Shinji Watanabe , Shota Horiguchi , Yawen Xue , Jing Shi , Kenji Nagamatsu

Multi-speaker speech recognition of unsegmented recordings has diverse applications such as meeting transcription and automatic subtitle generation. With technical advances in systems dealing with speech separation, speaker diarization, and…

Audio and Speech Processing · Electrical Eng. & Systems 2020-11-05 Desh Raj , Pavel Denisov , Zhuo Chen , Hakan Erdogan , Zili Huang , Maokui He , Shinji Watanabe , Jun Du , Takuya Yoshioka , Yi Luo , Naoyuki Kanda , Jinyu Li , Scott Wisdom , John R. Hershey

This paper describes a system that generates speaker-annotated transcripts of meetings by using a microphone array and a 360-degree camera. The hallmark of the system is its ability to handle overlapped speech, which has been an unsolved…

With the rise in multimedia content over the years, more variety is observed in the recording environments of audio. An audio processing system might benefit when it has a module to identify the acoustic domain at its front-end. In this…

Sound · Computer Science 2022-08-09 A Kishore Kumar , Shefali Waldekar , Md Sahidullah , Goutam Saha

Automatic speaker diarization techniques typically involve a two-stage processing approach where audio segments of fixed duration are converted to vector representations in the first stage. This is followed by an unsupervised clustering of…

Audio and Speech Processing · Electrical Eng. & Systems 2021-06-15 Prachi Singh , Sriram Ganapathy

This paper proposes a novel online speaker diarization algorithm based on a fully supervised self-attention mechanism (SA-EEND). Online diarization inherently presents a speaker's permutation problem due to the possibility to assign speaker…

Audio and Speech Processing · Electrical Eng. & Systems 2021-03-09 Yawen Xue , Shota Horiguchi , Yusuke Fujita , Shinji Watanabe , Kenji Nagamatsu

In multi-speaker applications is common to have pre-computed models from enrolled speakers. Using these models to identify the instances in which these speakers intervene in a recording is the task of speaker tracking. In this paper, we…

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

We address the problem of effectively handling overlapping speech in a diarization system. First, we detail a neural Long Short-Term Memory-based architecture for overlap detection. Secondly, detected overlap regions are exploited in…

Audio and Speech Processing · Electrical Eng. & Systems 2019-10-28 Latané Bullock , Hervé Bredin , Leibny Paola Garcia-Perera

Speaker diarization is a task to label an audio or video recording with the identity of the speaker at each given time stamp. In this work, we propose a novel machine learning framework to conduct real-time multi-speaker diarization and…

Sound · Computer Science 2023-02-23 Baihan Lin , Xinxin Zhang

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
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