The Hitachi-JHU DIHARD III System: Competitive End-to-End Neural Diarization and X-Vector Clustering Systems Combined by DOVER-Lap
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Abstract (arXiv)
This paper provides a detailed description of the Hitachi-JHU system that was submitted to the Third DIHARD Speech Diarization Challenge. The system outputs the ensemble results of the five subsystems: two x-vector-based subsystems, two end-to-end neural diarization-based subsystems, and one hybrid subsystem. We refine each system and all five subsystems become competitive and complementary. After the DOVER-Lap based system combination, it achieved diarization error rates of 11.58 % and 14.09 % in Track 1 full and core, and 16.94 % and 20.01 % in Track 2 full and core, respectively. With their results, we won second place in all the tasks of the challenge.
Key facts. Cited by 8 papers in the map (data through 7 Oct 2026). Builds on 19 of its 28 references that are in the map. First posted on arXiv 2 Feb 2021.
Builds on
19 of 28 references.
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7 more
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Citing papers per year: 2021: 2; 2022: 2; 2023: 1; 2024: 1; 2025: 2.
8 papers.
- 2021Towards Neural Diarization for Unlimited Numbers of Speakers Using Global and Local Attractorscited by 14
- 2022Online Neural Diarization of Unlimited Numbers of Speakers Using Global and Local Attractorscited by 7
- 2021Adapting Speaker Embeddings for Speaker Diarisationcited by 4
- 2025Unifying Diarization, Separation, and ASR with Multi-Speaker Encodercited by 4
- 2022Royalflush Speaker Diarization System for ICASSP 2022 Multi-channel Multi-party Meeting Transcription Challengecited by 2
- 2023End-to-End Integration of Speech Separation and Voice Activity Detection for Low-Latency Diarization of Telephone Conversationscited by 2
- 2024From Modular to End-to-End Speaker Diarizationcited by 0
- 2025Speaker Diarization with Overlapping Community Detection Using Graph Attention Networks and Label Propagation Algorithmcited by 0
- 2025Unifying Diarization, Separation, and ASR with Multi-Speaker Encoder28 Aug 2025
- 2025Speaker Diarization with Overlapping Community Detection Using Graph Attention Networks and Label Propagation Algorithm3 Jun 2025
- 2024From Modular to End-to-End Speaker Diarization27 Jun 2024
- 2023End-to-End Integration of Speech Separation and Voice Activity Detection for Low-Latency Diarization of Telephone Conversations21 Mar 2023
- 2022Online Neural Diarization of Unlimited Numbers of Speakers Using Global and Local Attractors6 Jun 2022
- 2022Royalflush Speaker Diarization System for ICASSP 2022 Multi-channel Multi-party Meeting Transcription Challenge10 Feb 2022
- 2021Towards Neural Diarization for Unlimited Numbers of Speakers Using Global and Local Attractors4 Jul 2021
- 2021Adapting Speaker Embeddings for Speaker Diarisation7 Apr 2021