TalTech-IRIT-LIS Speaker and Language Diarization Systems for DISPLACE 2024 - IRIT - Centre National de la Recherche Scientifique
Communication Dans Un Congrès Année : 2024

TalTech-IRIT-LIS Speaker and Language Diarization Systems for DISPLACE 2024

Résumé

This paper describes the submissions of team TalTech-IRIT-LIS to the DISPLACE 2024 challenge. Our team participated in the speaker diarization and language diarization tracks of the challenge. In the speaker diarization track, our best submission was an ensemble of systems based on the pyannote.audio speaker diarization pipeline utilizing powerset training and our recently proposed PixIT method that performs joint diarization and speech separation. We improve upon PixIT by using the separation outputs for speaker embedding extraction. Our ensemble achieved a diarization error rate of 27.1% on the evaluation dataset. In the language diarization track, we fine-tuned a pre-trained Wav2Vec2-BERT language embedding model on in-domain data, and clustered short segments using AHC and VBx, based on similarity scores from LDA/PLDA. This led to a language diarization error rate of 27.6% on the evaluation data. Both results were ranked first in their respective challenge tracks.
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Dates et versions

hal-04683362 , version 1 (02-09-2024)

Identifiants

Citer

Joonas Kalda, Tanel Alumae, Martin Lebourdais, Hervé Bredin, Séverin Baroudi, et al.. TalTech-IRIT-LIS Speaker and Language Diarization Systems for DISPLACE 2024. 25th Interspeech Conference (Interspeech 2024), Sep 2024, Kos, Greece. pp.1635--1639, ⟨10.21437/interspeech.2024-2462⟩. ⟨hal-04683362⟩
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