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This paper presents the system developed for Task 1 of the Multi-modal Information-based Speech Processing (MISP) 2025 Challenge. We introduce CASA-Net, an embedding fusion method designed for end-to-end audio-visual speaker diarization…

Sound · Computer Science 2025-06-04 Zhaoyang Li , Haodong Zhou , Longjie Luo , Xiaoxiao Li , Yongxin Chen , Lin Li , Qingyang Hong

Transformer-based end-to-end neural speaker diarization (EEND) models utilize the multi-head self-attention (SA) mechanism to enable accurate speaker label prediction in overlapped speech regions. In this study, to enhance the training…

Audio and Speech Processing · Electrical Eng. & Systems 2023-03-03 Ye-Rin Jeoung , Joon-Young Yang , Jeong-Hwan Choi , Joon-Hyuk Chang

We present the NVIDIA NeMo team's multi-channel speech recognition system for the 7th CHiME Challenge Distant Automatic Speech Recognition (DASR) Task, focusing on the development of a multi-channel, multi-speaker speech recognition system…

Audio and Speech Processing · Electrical Eng. & Systems 2023-10-20 Tae Jin Park , He Huang , Ante Jukic , Kunal Dhawan , Krishna C. Puvvada , Nithin Koluguri , Nikolay Karpov , Aleksandr Laptev , Jagadeesh Balam , Boris Ginsburg

This paper describes the speaker diarization systems developed for the Second DIHARD Speech Diarization Challenge (DIHARD II) by the Speed team. Besides describing the system, which considerably outperformed the challenge baselines, we also…

A method to perform offline and online speaker diarization for an unlimited number of speakers is described in this paper. End-to-end neural diarization (EEND) has achieved overlap-aware speaker diarization by formulating it as a…

Audio and Speech Processing · Electrical Eng. & Systems 2023-05-29 Shota Horiguchi , Shinji Watanabe , Paola Garcia , Yuki Takashima , Yohei Kawaguchi

In this paper, we propose a novel algorithm for speaker diarization using metric learning for graph based clustering. The graph clustering algorithms use an adjacency matrix consisting of similarity scores. These scores are computed between…

Audio and Speech Processing · Electrical Eng. & Systems 2021-09-15 Prachi Singh , Sriram Ganapathy

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, the process of identifying "who spoke when" in audio recordings, is essential for understanding classroom dynamics. However, classroom settings present distinct challenges, including poor recording quality, high levels…

Sound · Computer Science 2025-05-28 Ali Sartaz Khan , Tolulope Ogunremi , Ahmed Adel Attia , Dorottya Demszky

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

This paper presents a computationally efficient and distributed speaker diarization framework for networked IoT-style audio devices. The work proposes a Federated Learning model which can identify the participants in a conversation without…

Sound · Computer Science 2024-12-02 Amit Kumar Bhuyan , Hrishikesh Dutta , Subir Biswas

This paper investigates a method for simulating natural conversation in the model training of end-to-end neural diarization (EEND). Due to the lack of any annotated real conversational dataset, EEND is usually pretrained on a large-scale…

Audio and Speech Processing · Electrical Eng. & Systems 2022-04-26 Natsuo Yamashita , Shota Horiguchi , Takeshi Homma

In this paper, different online speaker diarization systems are evaluated on the same hardware with the same test data with regard to their latency. The latency is the time span from audio input to the output of the corresponding speaker…

Computation and Language · Computer Science 2024-07-08 Roman Aperdannier , Sigurd Schacht , Alexander Piazza

Deep speaker embedding models have been commonly used as a building block for speaker diarization systems; however, the speaker embedding model is usually trained according to a global loss defined on the training data, which could be…

Audio and Speech Processing · Electrical Eng. & Systems 2020-05-26 Jixuan Wang , Xiong Xiao , Jian Wu , Ranjani Ramamurthy , Frank Rudzicz , Michael Brudno

This paper investigates an end-to-end neural diarization (EEND) method for an unknown number of speakers. In contrast to the conventional cascaded approach to speaker diarization, EEND methods are better in terms of speaker overlap…

Audio and Speech Processing · Electrical Eng. & Systems 2022-03-29 Shota Horiguchi , Yusuke Fujita , Shinji Watanabe , Yawen Xue , Paola Garcia

State-of-the-art Deep Learning systems for speaker verification are commonly based on speaker embedding extractors. These architectures are usually composed of a feature extractor front-end together with a pooling layer to encode…

Audio and Speech Processing · Electrical Eng. & Systems 2024-05-08 Federico Costa , Miquel India , Javier Hernando

This paper presents Transcribe-to-Diarize, a new approach for neural speaker diarization that uses an end-to-end (E2E) speaker-attributed automatic speech recognition (SA-ASR). The E2E SA-ASR is a joint model that was recently proposed for…

Audio and Speech Processing · Electrical Eng. & Systems 2022-01-25 Naoyuki Kanda , Xiong Xiao , Yashesh Gaur , Xiaofei Wang , Zhong Meng , Zhuo Chen , Takuya Yoshioka

This paper describes the submission to the speaker diarization track of VoxCeleb Speaker Recognition Challenge 2021 done by North America Bixby Lab of Samsung Research America. Our speaker diarization system consists of four main components…

Audio and Speech Processing · Electrical Eng. & Systems 2021-09-29 Myungjong Kim , Taeyeon Ki , Aviral Anshu , Vijendra Raj Apsingekar

Speaker diarization, the process of segmenting an audio stream or transcribed speech content into homogenous partitions based on speaker identity, plays a crucial role in the interpretation and analysis of human speech. Most existing…

Machine Learning · Computer Science 2024-08-23 Luyao Cheng , Hui Wang , Siqi Zheng , Yafeng Chen , Rongjie Huang , Qinglin Zhang , Qian Chen , Xihao Li

In this paper, we introduce DiarizationLM, a framework to leverage large language models (LLM) to post-process the outputs from a speaker diarization system. Various goals can be achieved with the proposed framework, such as improving the…

Audio and Speech Processing · Electrical Eng. & Systems 2025-01-10 Quan Wang , Yiling Huang , Guanlong Zhao , Evan Clark , Wei Xia , Hank Liao

Recently, end-to-end neural diarization (EEND) is introduced and achieves promising results in speaker-overlapped scenarios. In EEND, speaker diarization is formulated as a multi-label prediction problem, where speaker activities are…

Sound · Computer Science 2023-12-14 Jiaming Wang , Zhihao Du , Shiliang Zhang