Once more Diarization: Improving meeting transcription systems through segment-level speaker reassignment
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arXiv
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| Auteurs principaux: | , , |
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| Format: | Preprint |
| Publié: |
2024
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| _version_ | 1866916275000705024 |
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| author | Boeddeker, Christoph Cord-Landwehr, Tobias Haeb-Umbach, Reinhold |
| author_facet | Boeddeker, Christoph Cord-Landwehr, Tobias Haeb-Umbach, Reinhold |
| contents | Diarization is a crucial component in meeting transcription systems to ease the challenges of speech enhancement and attribute the transcriptions to the correct speaker. Particularly in the presence of overlapping or noisy speech, these systems have problems reliably assigning the correct speaker labels, leading to a significant amount of speaker confusion errors. We propose to add segment-level speaker reassignment to address this issue. By revisiting, after speech enhancement, the speaker attribution for each segment, speaker confusion errors from the initial diarization stage are significantly reduced. Through experiments across different system configurations and datasets, we further demonstrate the effectiveness and applicability in various domains. Our results show that segment-level speaker reassignment successfully rectifies at least 40% of speaker confusion word errors, highlighting its potential for enhancing diarization accuracy in meeting transcription systems. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2406_03155 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | Once more Diarization: Improving meeting transcription systems through segment-level speaker reassignment Boeddeker, Christoph Cord-Landwehr, Tobias Haeb-Umbach, Reinhold Audio and Speech Processing Diarization is a crucial component in meeting transcription systems to ease the challenges of speech enhancement and attribute the transcriptions to the correct speaker. Particularly in the presence of overlapping or noisy speech, these systems have problems reliably assigning the correct speaker labels, leading to a significant amount of speaker confusion errors. We propose to add segment-level speaker reassignment to address this issue. By revisiting, after speech enhancement, the speaker attribution for each segment, speaker confusion errors from the initial diarization stage are significantly reduced. Through experiments across different system configurations and datasets, we further demonstrate the effectiveness and applicability in various domains. Our results show that segment-level speaker reassignment successfully rectifies at least 40% of speaker confusion word errors, highlighting its potential for enhancing diarization accuracy in meeting transcription systems. |
| title | Once more Diarization: Improving meeting transcription systems through segment-level speaker reassignment |
| topic | Audio and Speech Processing |
| url | https://arxiv.org/abs/2406.03155 |