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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 is usually referred to as the task that determines ``who spoke when'' in a recording. Until a few years ago, all competitive approaches were modular. Systems based on this framework reached state-of-the-art performance…

Audio and Speech Processing · Electrical Eng. & Systems 2024-07-15 Federico Landini

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

Overlapping Speech Detection (OSD) aims to identify regions where multiple speakers overlap in a conversation, a critical challenge in multi-party speech processing. This work proposes a speaker-aware progressive OSD model that leverages a…

Sound · Computer Science 2025-05-30 Zhaokai Sun , Li Zhang , Qing Wang , Pan Zhou , Lei Xie

We present an end-to-end deep network model that performs meeting diarization from single-channel audio recordings. End-to-end diarization models have the advantage of handling speaker overlap and enabling straightforward handling of…

Sound · Computer Science 2021-05-06 Soumi Maiti , Hakan Erdogan , Kevin Wilson , Scott Wisdom , Shinji Watanabe , John R. Hershey

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

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

The most common approach to speaker diarization is clustering of speaker embeddings. However, the clustering-based approach has a number of problems; i.e., (i) it is not optimized to minimize diarization errors directly, (ii) it cannot…

Audio and Speech Processing · Electrical Eng. & Systems 2020-03-09 Yusuke Fujita , Shinji Watanabe , Shota Horiguchi , Yawen Xue , Kenji Nagamatsu

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 extraction and diarization are two enabling techniques for real-world speech applications. Speaker extraction aims to extract a target speaker's voice from a speech mixture, while speaker diarization demarcates speech segments by…

Sound · Computer Science 2025-01-17 Junyi Ao , Mehmet Sinan Yıldırım , Ruijie Tao , Meng Ge , Shuai Wang , Yanmin Qian , Haizhou Li

In this paper, we present a novel framework that jointly performs three tasks: speaker diarization, speech separation, and speaker counting. Our proposed framework integrates speaker diarization based on end-to-end neural diarization (EEND)…

Audio and Speech Processing · Electrical Eng. & Systems 2022-12-19 Soumi Maiti , Yushi Ueda , Shinji Watanabe , Chunlei Zhang , Meng Yu , Shi-Xiong Zhang , Yong Xu

Audio-visual learning has demonstrated promising results in many classical speech tasks (e.g., speech separation, automatic speech recognition, wake-word spotting). We believe that introducing visual modality will also benefit speaker…

Audio and Speech Processing · Electrical Eng. & Systems 2025-08-01 Ming Cheng , Ming Li

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

Multi-talker overlapped speech poses a significant challenge for speech recognition and diarization. Recent research indicated that these two tasks are inter-dependent and complementary, motivating us to explore a unified modeling method to…

Sound · Computer Science 2023-05-26 Lingwei Meng , Jiawen Kang , Mingyu Cui , Haibin Wu , Xixin Wu , Helen Meng

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

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

Target-speaker voice activity detection (TS-VAD) has recently shown promising results for speaker diarization on highly overlapped speech. However, the original model requires a fixed (and known) number of speakers, which limits its…

Audio and Speech Processing · Electrical Eng. & Systems 2021-08-10 Maokui He , Desh Raj , Zili Huang , Jun Du , Zhuo Chen , Shinji Watanabe

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

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

The performance of speaker verification degrades significantly when the test speech is corrupted by interference speakers. Speaker diarization does well to separate speakers if the speakers are temporally overlapped. However, if…

Audio and Speech Processing · Electrical Eng. & Systems 2019-02-08 Wei Rao , Chenglin Xu , Eng Siong Chng , Haizhou Li